Updated submodules

- Serialize MeshComponents
- Fixed handling renamed files

.gitmodules

@@ -1,15 +1,9 @@
 [submodule "GlitchyEngine/vendor/directx"]
 	path = GlitchyEngine/vendor/directx
 	url = https://github.com/aharabada/directx-beef.git
-[submodule "GlitchyEngine/vendor/DirectXTK"]
-	path = GlitchyEngine/vendor/DirectXTK
-	url = https://github.com/aharabada/DirectXTK-beef.git
 [submodule "vendor/lodepng-beef"]
 	path = vendor/lodepng-beef
 	url = https://github.com/aharabada/lodepng-beef.git
-[submodule "GlitchyEngine\\vendor\\freetype"]
-	path = GlitchyEngine\\vendor\\freetype
-	url = https://github.com/aharabada/FreeType-beef.git
 [submodule "GlitchyEngine/vendor/freetype"]
 	path = GlitchyEngine/vendor/freetype
 	url = https://github.com/aharabada/FreeType-beef.git
@@ -22,3 +16,18 @@
 [submodule "GlitchyEngine/vendor/imgui"]
 	path = GlitchyEngine/vendor/imgui
 	url = https://github.com/aharabada/ImGui_GlitchyEngine.git
+[submodule "GlitchyEngineHelper/vendor/xxHash"]
+	path = GlitchyEngineHelper/vendor/xxHash
+	url = https://github.com/Cyan4973/xxHash.git
+[submodule "GlitchyEngine/vendor/bon"]
+	path = GlitchyEngine/vendor/bon
+	url = https://github.com/EinScott/bon.git
+[submodule "GlitchyEngineHelper/vendor/DirectXTK"]
+	path = GlitchyEngineHelper/vendor/DirectXTK
+	url = https://github.com/microsoft/DirectXTK.git
+[submodule "GlitchyEngine/vendor/box2D"]
+	path = GlitchyEngine/vendor/box2D
+	url = https://github.com/jazzbre/box2d-beef.git
+[submodule "GlitchyEngine/vendor/Beef.Linq"]
+	path = GlitchyEngine/vendor/Beef.Linq
+	url = https://github.com/aharabada/Beef.Linq.git

BeefSpace.toml

@@ -1,5 +1,10 @@
 FileVersion = 1
-Projects = {Sandbox = {Path = "Sandbox"}, GlitchyEngine = {Path = "GlitchyEngine"}, GlitchLog = {Path = "GlitchLog"}, DirectX = {Path = "GlitchyEngine/vendor/directx/DirectX"}, DirectXTK = {Path = "GlitchyEngine/vendor/DirectXTK/DirectXTK-beef"}, LodePng = {Path = "vendor/lodepng-beef/lodepng-beef"}, FreeType = {Path = "GlitchyEngine/vendor/freetype"}, cgltf-beef = {Path = "GlitchyEngine/vendor/gltf/cgltf-beef"}, GlitchyEditor = {Path = "GlitchyEditor"}, msdfgen-beef = {Path = "GlitchyEngine/vendor/msdfgen/msdfgen-beef"}, ImGui = {Path = "GlitchyEngine/vendor/imgui/ImGui"}, ImGuiImplDX11 = {Path = "GlitchyEngine/vendor/imgui/ImGuiImplDX11"}, ImGuiImplWin32 = {Path = "GlitchyEngine/vendor/imgui/ImGuiImplWin32"}, ImGuizmo = {Path = "GlitchyEngine/vendor/imgui/ImGuizmo"}}
+Projects = {Sandbox = {Path = "Sandbox"}, GlitchyEngine = {Path = "GlitchyEngine"}, GlitchLog = {Path = "GlitchLog"}, DirectX = {Path = "GlitchyEngine/vendor/directx/DirectX"}, LodePng = {Path = "vendor/lodepng-beef/lodepng-beef"}, FreeType = {Path = "GlitchyEngine/vendor/freetype"}, cgltf-beef = {Path = "GlitchyEngine/vendor/gltf/cgltf-beef"}, GlitchyEditor = {Path = "GlitchyEditor"}, msdfgen-beef = {Path = "GlitchyEngine/vendor/msdfgen/msdfgen-beef"}, ImGui = {Path = "GlitchyEngine/vendor/imgui/ImGui"}, ImGuiImplDX11 = {Path = "GlitchyEngine/vendor/imgui/ImGuiImplDX11"}, ImGuiImplWin32 = {Path = "GlitchyEngine/vendor/imgui/ImGuiImplWin32"}, ImGuizmo = {Path = "GlitchyEngine/vendor/imgui/ImGuizmo"}, GlitchyEngineHelper = {Path = "GlitchyEngineHelper"}, bon = {Path = "GlitchyEngine/vendor/bon"}, box2d-beef = {Path = "GlitchyEngine/vendor/box2D"}, "Beef.Linq" = {Path = "GlitchyEngine/vendor/Beef.Linq/src"}}
+Unlocked = ["corlib"]
+WorkspaceFolders = {GlitchyEngine = ["GlitchyEngine", "GlitchLog", "GlitchyEngineHelper"], "GlitchyEngine/Dependencies" = ["cgltf-beef", "DirectX", "FreeType", "ImGui", "ImGuiImplDX11", "ImGuiImplWin32", "ImGuizmo", "LodePng", "msdfgen-beef", "bon", "box2d-beef", "Beef.Linq"]}
 
 [Workspace]
-StartupProject = "Sandbox"
+StartupProject = "GlitchyEditor"
+
+[Configs.Debug.Win64]
+AllocStackTraceDepth = 12

Doc/DesignCodeExamples/Assets/BasicAssetUsage.bf

@@ -0,0 +1,92 @@
+///
+/// Loading and usage of an asset.
+///
+// Shows the usage of the Content Manager.
+// An asset is loaded with Content.LoadAsset(AssetName)
+// Loading an asset returns an AssetHandle.
+// Usually you want to hold on to the AssetHandle.
+// If you need the actual asset you can use Content.GetAsset<AssetType>(AssetHandle) to retrieve the actual asset.
+
+/*
+ * Only hold on to AssetHandle.
+ * Do NOT hold actual Assets! The Asset might get invalidated
+ * (e.g. reloading after the source-file changed).
+ */
+AssetHandle _lineEffect;
+
+void Start()
+{
+    /*
+     * Loading an asset returns a handle to that asset.
+     */
+    _lineEffect = Content.LoadAsset("Shaders\\LineEffect.hlsl");
+}
+
+void Update()
+{
+    // Use case 1:
+    {
+        // Retrieve the actual asset. Note that this Asset is only guaranteed to persist
+        // for the current frame.
+        Effect fx = Content.GetAsset<Effect>(_lineEffect);
+
+        // Note: Assets are ref counted, however since they are not inteded to be held GetAsset 
+        // does NOT increment the reference counter so you usually should NOT decrement it.
+        // The exception is when you manually hold on to an asset (see Example below)
+
+        // Use asset
+        fx.Variables["ViewProjection"].SetData(viewProjection * transform);
+        fx.Variables["Color"].SetData(color);
+        fx.ApplyChanges();
+        fx.Bind();
+    }
+
+    // Use case 2:
+    {
+        // Retrieve the actual asset.
+        Effect fx = _lineEffect.Get<Effect>();
+
+        // ...
+        // Same as case 1
+    }
+}
+
+
+///
+/// Holding on to an actual asset.
+///
+// Shows the usage of the Content Manager when you hold a reference to the actual Asset instead of the handle.
+// This should usually not be done. Eventhough it is technically fine, it has the implication, that if the
+// content manager decides to reload the asset the changes will not be reflected in the held reference
+// (which they would if you used GetAsset before every usage.)
+// Also the content manager can't unload the asset because the reference counter wouldn't be zero.
+// Though there currently is no way for the content manager to unload an asset unless it is specifically told to do so.
+
+/*
+ * Field to hold the asset.
+ */
+Effect _lineEffect;
+
+void Start()
+{
+    // Load the Asset.
+    AssetHandle handle = Content.LoadAsset("Shaders\\LineEffect.hlsl");
+    // Get the actual asset.
+    _lineEffect = Content.GetAsset<Effect>(handle); // Alternative: _lineEffect = handle.Get<Effect>();
+    // Increment the reference counter so that the asset doesn't get unloaded.
+    _lineEffect.AddRef();
+}
+
+void Destroy()
+{
+    // Make sure to release the asset once you don't need it anymore. Otherwise it will leak.
+    _lineEffect.Release();
+}
+
+void Update()
+{
+    _lineEffect.Variables["ViewProjection"].SetData(viewProjection * transform);
+    _lineEffect.Variables["Color"].SetData(color);
+    _lineEffect.ApplyChanges();
+    _lineEffect.Bind();
+}

Doc/DesignCodeExamples/Assets/SmartAssetHandle.bf

@@ -0,0 +1,44 @@
+///
+/// This shows the usage of a smart/typed Asset Handle.
+///
+// In the basic usage-patterns the user has two options:
+// Either he/she holds a handle and has to query for the actual asset every time
+// or he/she hold the actual asset and loses reloading capabilities.
+// The idea of the auto asset is to provide a way that can provide both.
+
+AssetHandle<Effect> _lineEffect;
+
+void Start()
+{
+    /*
+     * Loading an asset returns a handle to that asset.
+     * The asset handle is implicitly converted to a smart AssetHandle.
+     */
+    _lineEffect = Content.LoadAsset("Shaders\\LineEffect.hlsl");
+}
+
+void Update()
+{
+    // Use case 1 (Convenience)
+    {
+        _lineEffect.Variables["ViewProjection"].SetData(viewProjection * transform);
+        _lineEffect.Variables["Color"].SetData(color);
+        _lineEffect.ApplyChanges();
+        _lineEffect.Bind();
+    }
+
+    // Use case 2 (Technically more efficient)
+    {
+        Effect fx = _lineEffect.Get();
+        fx.Variables["ViewProjection"].SetData(viewProjection * transform);
+        fx.Variables["Color"].SetData(color);
+        fx.ApplyChanges();
+        fx.Bind();
+    }
+}
+
+//
+// Auto Assets use comp time to expose all the fields, Methods and properties of the actual asset.
+// They will automatically check if the asset for the handle changed and update accordingly.
+// This means it is more convenient to use than both basic patterns and has all benefits of both. 
+//

Doc/DesignCodeExamples/readme.md

@@ -0,0 +1,3 @@
+# Design Code Examples
+
+This directory (and its subdirectories) contains non functional code snippets showing the intended usage of certain systems of the engine.

GlitchyEditor/content/Models/plane.glb.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "ModelAssetLoader",
+	Config = (GlitchyEditor.Assets.ModelAssetLoaderConfig){}
+}

GlitchyEditor/content/Models/sphere.glb.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "ModelAssetLoader",
+	Config = (GlitchyEditor.Assets.ModelAssetLoaderConfig){}
+}

GlitchyEditor/content/Scenes/Simple3D.scene

@@ -0,0 +1,224 @@
+{
+	Name = "Scene name here pls!!!",
+	Entities = [
+		{
+			Id = 5169765174113462770,
+			NameComponent = {
+				Name = "Sphere"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 0.5,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			MeshComponent = {
+				Mesh = "Models/sphere.glb"
+			},
+			MeshRendererComponent = {
+				Material = "Textures/TestMaterial.mat"
+			}
+		},
+		{
+			Id = 17158420331978163131,
+			NameComponent = {
+				Name = "Light"
+			},
+			TransformComponent = {
+				Position = {
+					X = -1,
+					Y = 4,
+					Z = -4
+				},
+				Rotation = {
+					X = 0.614328027,
+					Y = 0.239776045,
+					Z = 0.0315669999,
+					W = 0.751073837
+				},
+				Scale = {
+					X = 0.999998868,
+					Y = 1,
+					Z = 1.00000095
+				},
+				EditorEulerRotation = {
+					X = 1.30899811,
+					Y = 0.349065989,
+					Z = 0.349065989
+				}
+			},
+			LightComponent = {
+				LightType = .Directional,
+				Illuminance = 10,
+				Color = {
+					R = 1,
+					G = 0.991771996,
+					B = 0.74086225
+				}
+			}
+		},
+		{
+			Id = 5556050645816939548,
+			NameComponent = {
+				Name = "Plane"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 10,
+					Y = 1,
+					Z = 10
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			MeshComponent = {
+				Mesh = "Models/plane.glb"
+			},
+			MeshRendererComponent = {
+				Material = "Textures/TestMaterial.mat"
+			}
+		},
+		{
+			Id = 3947673900993587516,
+			NameComponent = {
+				Name = "Camera"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 2,
+					Z = -5
+				},
+				Rotation = {
+					X = 0.216440007,
+					Y = 0,
+					Z = 0,
+					W = 0.976296008
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0.436332017,
+					Y = 0,
+					Z = 0
+				}
+			},
+			CameraComponent = {
+				Primary = true,
+				ProjectionType = .InfinitePerspective,
+				PerspectiveFovY = 1.30899692,
+				PerspectiveNearPlane = 0.100000001,
+				PerspectiveFarPlane = 10000,
+				OrthographicHeight = 10,
+				OrthographicNearPlane = 0,
+				OrthographicFarPlane = 10,
+				AspectRatio = 2.19888878,
+				FixedAspectRatio = false
+			}
+		},
+		{
+			Id = 420718992779301759,
+			NameComponent = {
+				Name = "Entity"
+			},
+			TransformComponent = {
+				Position = {
+					X = 3,
+					Y = 0.501076996,
+					Z = -0.669378757
+				},
+				Rotation = {
+					X = 0.18301262,
+					Y = -0.683013558,
+					Z = 0.683012128,
+					W = 0.183013007
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 1.57079446,
+					Y = -2.61799312,
+					Z = 0
+				}
+			},
+			MeshComponent = {
+				Mesh = "Models/plane.glb"
+			},
+			MeshRendererComponent = {
+				Material = ""
+			}
+		},
+		{
+			Id = 8080288871271083510,
+			NameComponent = {
+				Name = "Rocket"
+			},
+			TransformComponent = {
+				Position = {
+					X = 2.37353587,
+					Y = 0.629615188,
+					Z = -1.34831977
+				},
+				Rotation = {
+					X = 0.270598024,
+					Y = -0.65328145,
+					Z = 0.65328151,
+					W = 0.270598054
+				},
+				Scale = {
+					X = 0.999999881,
+					Y = 0.999999821,
+					Z = 0.999999702
+				},
+				EditorEulerRotation = {
+					X = 1.57079637,
+					Y = -2.3561945,
+					Z = 8.94069743e-08
+				}
+			},
+			MeshComponent = {
+				Mesh = "Models/plane.glb"
+			},
+			MeshRendererComponent = {
+				Material = "Textures/RocketMaterial.mat"
+			}
+		}
+	]
+}

GlitchyEditor/content/Scenes/childTest.scene

@@ -0,0 +1,212 @@
+{
+	Name = "Scene name here pls!!!",
+	Entities = [
+		{
+			Id = 6000868443984780499,
+			NameComponent = {
+				Name = "Child"
+			},
+			SpriterRendererComponent = {
+				Color = {
+					R = 1,
+					G = 0.388184,
+					B = 0.090109,
+					A = 1
+				},
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				ParentId = 820806682740348099,
+				Position = {
+					X = 0,
+					Y = 0.75,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 0.5,
+					Y = 0.5,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			}
+		},
+		{
+			Id = 820806682740348099,
+			NameComponent = {
+				Name = "Quad"
+			},
+			SpriterRendererComponent = {
+				Color = {
+					R = 0,
+					G = 0.551178,
+					B = 0.328787,
+					A = 1
+				},
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 2,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Dynamic,
+				FixedRotation = false
+			},
+			BoxCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Size = {
+					X = 0.5,
+					Y = 0.5
+				},
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 15398726361722237419,
+			NameComponent = {
+				Name = "Floor"
+			},
+			SpriterRendererComponent = {
+				Color = {
+					R = 1,
+					G = 0.941886,
+					B = 0.401485,
+					A = 1
+				},
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = -0.5,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 10,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Static,
+				FixedRotation = false
+			},
+			BoxCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Size = {
+					X = 0.5,
+					Y = 0.5
+				},
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 1491484622542812645,
+			NameComponent = {
+				Name = "Camera"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 1,
+					Z = -5
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			CameraComponent = {
+				Primary = true,
+				ProjectionType = .InfinitePerspective,
+				PerspectiveFovY = 1.308997,
+				PerspectiveNearPlane = 0.1,
+				PerspectiveFarPlane = 10000,
+				OrthographicHeight = 10,
+				OrthographicNearPlane = 0,
+				OrthographicFarPlane = 10,
+				AspectRatio = 2.116827,
+				FixedAspectRatio = false
+			}
+		}
+	]
+}

GlitchyEditor/content/Scenes/physics2D.scene

@@ -0,0 +1,303 @@
+{
+	Name = "Scene name here pls!!!",
+	Entities = [
+		{
+			Id = 820806682740348099,
+			NameComponent = {
+				Name = "Quad"
+			},
+			SpriteRendererComponent = {
+				Color = {
+					R = 0,
+					G = 0.55117774,
+					B = 0.32878688,
+					A = 1
+				},
+				Sprite = "Textures/TestMat/rustediron2_albedo.png",
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 2,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Dynamic,
+				FixedRotation = false
+			},
+			BoxCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Size = {
+					X = 0.5,
+					Y = 0.5
+				},
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 15398726361722237419,
+			NameComponent = {
+				Name = "Floor"
+			},
+			SpriteRendererComponent = {
+				Color = {
+					R = 1,
+					G = 0.941886365,
+					B = 0.401484847,
+					A = 1
+				},
+				Sprite = "",
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = -0.5,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 10,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Static,
+				FixedRotation = false
+			},
+			BoxCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Size = {
+					X = 0.5,
+					Y = 0.5
+				},
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 1491484622542812645,
+			NameComponent = {
+				Name = "Camera"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 1,
+					Z = -5
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			CameraComponent = {
+				Primary = true,
+				ProjectionType = .InfinitePerspective,
+				PerspectiveFovY = 1.30899692,
+				PerspectiveNearPlane = 0.100000001,
+				PerspectiveFarPlane = 10000,
+				OrthographicHeight = 10,
+				OrthographicNearPlane = 0,
+				OrthographicFarPlane = 10,
+				AspectRatio = 3.22169805,
+				FixedAspectRatio = false
+			}
+		},
+		{
+			Id = 15710354273720487680,
+			NameComponent = {
+				Name = "Circle"
+			},
+			CircleRendererComponent = {
+				Color = {
+					R = 1,
+					G = 0,
+					B = 0,
+					A = 1
+				},
+				InnerRadius = 0.300000012,
+				Sprite = "",
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = -0.12120308,
+					Y = 0.660160363,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Dynamic,
+				FixedRotation = false
+			},
+			CircleCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Radius = 0.5,
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 935640822766280888,
+			NameComponent = {
+				Name = "Light"
+			},
+			TransformComponent = {
+				Position = {
+					X = 3.88327599,
+					Y = 0,
+					Z = -0.808795214
+				},
+				Rotation = {
+					X = 0.497987002,
+					Y = -0.103420995,
+					Z = 0.155380026,
+					W = 0.846859217
+				},
+				Scale = {
+					X = 0.999997795,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 1.0908947,
+					Y = -0.340793997,
+					Z = 0.160857916
+				}
+			},
+			LightComponent = {
+				LightType = .Directional,
+				Illuminance = 12.8999996,
+				Color = {
+					R = 0.985467017,
+					G = 1,
+					B = 0.569978654
+				}
+			}
+		},
+		{
+			Id = 721949523193525565,
+			NameComponent = {
+				Name = "Sphere"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 0,
+					Z = -1.47202551
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			MeshComponent = {
+				Mesh = "Models/sphere.glb"
+			},
+			MeshRendererComponent = {
+				Material = "Textures/TestMaterial.mat"
+			}
+		}
+	]
+}

GlitchyEditor/content/Shaders/ACES.hlsl

@@ -0,0 +1,52 @@
+//=================================================================================================
+//
+//  Baking Lab
+//  by MJP and David Neubelt
+//  http://mynameismjp.wordpress.com/
+//
+//  All code licensed under the MIT license
+//
+//=================================================================================================
+
+// The code in this file was originally written by Stephen Hill (@self_shadow), who deserves all
+// credit for coming up with this fit and implementing it. Buy him a beer next time you see him. :)
+
+// Source: https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl
+
+// sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT
+static const float3x3 ACESInputMat =
+{
+    {0.59719, 0.35458, 0.04823},
+    {0.07600, 0.90834, 0.01566},
+    {0.02840, 0.13383, 0.83777}
+};
+
+// ODT_SAT => XYZ => D60_2_D65 => sRGB
+static const float3x3 ACESOutputMat =
+{
+    { 1.60475, -0.53108, -0.07367},
+    {-0.10208,  1.10813, -0.00605},
+    {-0.00327, -0.07276,  1.07602}
+};
+
+float3 RRTAndODTFit(float3 v)
+{
+    float3 a = v * (v + 0.0245786f) - 0.000090537f;
+    float3 b = v * (0.983729f * v + 0.4329510f) + 0.238081f;
+    return a / b;
+}
+
+float3 ACESFitted(float3 color)
+{
+    color = mul(ACESInputMat, color);
+
+    // Apply RRT and ODT
+    color = RRTAndODTFit(color);
+
+    color = mul(ACESOutputMat, color);
+
+    // Clamp to [0, 1]
+    color = saturate(color);
+
+    return color;
+}

GlitchyEditor/content/Shaders/ACES.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/ClearUInt.hlsl

@@ -0,0 +1,16 @@
+cbuffer Constants : register(b0)
+{
+    uint ClearValue;
+}
+
+float4 VS(float2 input : POSITION) : SV_Position
+{
+    return float4(input, 0.0f, 1.0f);
+}
+
+uint PS(float4 input : SV_Position) : SV_Target0
+{
+    return ClearValue;
+}
+
+#pragma Effect[VS = VS; PS = PS]

GlitchyEditor/content/Shaders/ClearUInt.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/GammaCorrect.hlsl

@@ -0,0 +1,33 @@
+Texture2D Texture : register(t0);
+SamplerState TextureSampler : register(s0);
+
+struct VS_IN
+{
+	float2 Position : POSITION;
+	float2 TexCoord : TEXCOORD0;
+};
+
+struct PS_IN
+{
+	float4 Position : SV_POSITION;
+	float2 TexCoord : TEXCOORD;
+};
+
+PS_IN VS(VS_IN input)
+{
+	PS_IN output;
+
+	output.Position = float4(input.Position, 0, 1);
+	output.TexCoord = input.TexCoord;
+
+	return output;
+}
+
+float4 PS(PS_IN input) : SV_TARGET
+{
+	float4 color = Texture.Sample(TextureSampler, input.TexCoord);
+
+	return float4(pow(color.rgb, 1.0f / 2.2f), color.a);
+}
+
+#pragma Effect[VS = VS; PS = PS]

GlitchyEditor/content/Shaders/GammaCorrect.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/LightingFunctions.hlsl

@@ -0,0 +1,28 @@
+#define PI 3.14159265358979323846f
+
+/**
+ * Calculates the diffuse lighting of a lambertian surface
+ * @param diffuseColor (rho/ pi) * C_diffuse
+ * @param illuminanceColor The product of the "brightness" and the light color.
+ * @param n_dot_l The dot product of the surface normal and the light direction.
+ */
+float3 CalculateDiffuseReflection(float3 diffuseColor, float3 illuminanceColor, float3 n_dot_l)
+{
+    float3 directColor = illuminanceColor * saturate(n_dot_l);
+
+    return (directColor * diffuseColor);
+}
+
+/**
+ * Calculates the blinn-phong-specular reflection
+ * @param n The normalized surface normal
+ * @param h The normalized half way vector (nrm(l + v))
+ * @param alpha The reflections alpha-value
+ * @param illuminanceColor The product of the "brightness" and the light color.
+ * @param n_dot_l The dot product of the surface normal and the light direction.
+ */
+float3 CalculateSpecularReflection(float3 n, float3 h, float alpha, float3 illuminanceColor, float n_dot_l)
+{
+    float highlight = pow(saturate(dot(n, h)), alpha) * float(n_dot_l > 0.0);
+    return (illuminanceColor * highlight); // Todo:  * SpecularColor
+}

GlitchyEditor/content/Shaders/LightingFunctions.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/PBR.hlsl

@@ -0,0 +1,78 @@
+/*
+ * This File contains Function for PBR.
+ */
+
+#ifndef __PBR_HLSL__
+#define __PBR_HLSL__
+
+#include "ShaderHelpers.hlsl"
+
+// #define PBR_IBL
+
+ /**
+  * Normal Distribution Function. (Trowbridge-Reits GGX)
+  * Calculates the relative surface area of microfacets exactly aligned to the halfway vector.
+  * @param normal The surface normal.
+  * @param halfway The halfway vector between the surface normal and the view direction.
+  * @param roughness Roughness value.
+  * @returns The relative surface area of microfacets exactly aligned to the halfway vector.
+  */
+float NormalDistributionGGX(float3 normal, float3 halfway, float roughness)
+{
+	// Square roughness because it looks better
+	float a = roughness * roughness;
+	float aa = a * a;
+
+	float n_dot_h = max(dot(normal, halfway), 0.0f);
+
+	float denom = (n_dot_h * n_dot_h) * (aa - 1.0f) + 1.0f;
+	denom = PI * denom * denom;
+
+	return aa / denom;
+}
+
+/**
+ * Geometry Function calculating the overshadowing of microfacets based on roughness. (Schlick-Beckmann GGX).
+ * @param dot-product of normal vector and vector from surface to camera.
+ * @param k Roughness value.
+ */
+float GeometrySchlickGGX(float n_dot_v, float k)
+{
+	return n_dot_v / (n_dot_v * (1 - k) + k);
+}
+
+/**
+ * Geometry Function calculating the overshadowing of microfacets based on roughness. (Smith)
+ * @param normal The surface normal.
+ * @param viewDir Vector from surface to viewer.
+ * @param lightDir Vector from surface to light source.
+ * @param roughness Roughness value.
+ */
+float GeometrySmith(float3 normal, float3 viewDir, float3 lightDir, float roughness)
+{
+#ifdef PBR_IBL
+	// IBL
+	float k = roughness * roughness / 2;
+#else
+	// Direct lighting
+	float k = (roughness + 1.0f);
+	k = (k * k) / 8;
+#endif
+
+	const float n_dot_v = max(dot(normal, viewDir), 0.0f);
+	float n_dot_l = max(dot(normal, lightDir), 0.0f);
+
+	return GeometrySchlickGGX(n_dot_v, k) * GeometrySchlickGGX(n_dot_l, k);
+}
+
+/**
+ * Calculates the fresnel value.
+ * @param n_dot_v Dot product of the normal and view direction
+ * @param F0 base reflectivity.
+ */
+float3 FresnelSchlick(float n_dot_v, float3 F0)
+{
+	return F0 + (1.0 - F0) * pow(clamp(1.0 - n_dot_v, 0.0, 1.0), 5.0);
+}
+
+#endif // __PBR_HLSL__

GlitchyEditor/content/Shaders/PBR.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/ShaderHelpers.hlsl

@@ -0,0 +1,90 @@
+#ifndef __SHADER_HELPERS_HLSL__
+#define __SHADER_HELPERS_HLSL__
+
+#define PI 3.14159265358979323846f
+
+/*
+* Calculates the weighted sum of two normal vectors.
+* nrm1: The first normal vector
+* nrm2: The second normal vector
+* a: The weight factor for nrm1
+* b: The weight factor for nrm2
+*/
+float3 BlendNormals(float3 nrm1, float3 nrm2, float a, float b)
+{    
+    return normalize(float3(a * nrm1.x / nrm1.z + b * nrm2.x / nrm2.z, 
+         a * nrm1.y / nrm1.z + b * nrm2.y / nrm2.z, 
+         1.0f));
+}
+
+/*
+* Scales a normal vector by a factor where 0 results in the vector (0, 0, 1)
+* nrm: The normal vector
+* a: The scaling factor
+*/
+float3 ScaleNormal(float3 nrm1, float a)
+{    
+    return normalize(float3(a * nrm1.x / nrm1.z, 
+         a * nrm1.y / nrm1.z, 
+         1.0f));
+}
+
+/*
+* Scales a normal vector by a factor where 0 results in the vector (0, 0, 1)
+* nrm: The normal vector
+* a: The scaling factor
+*/
+float3 ScaleNormal(float3 nrm1, float2 a)
+{
+    return normalize(float3(a.x * nrm1.x / nrm1.z,
+							a.y * nrm1.y / nrm1.z,
+							1.0f));
+}
+
+/*
+* Reconstructs the z-component of a normalized normal vector from a two-component value
+* cnrm: The x- and y-components of a normalized normal vector
+*/
+float3 DecompressNormal(float2 cnrm)
+{
+    return float3(cnrm, sqrt(1.0 - cnrm.x * cnrm.x - cnrm.y * cnrm.y));    
+}
+
+/*
+* Reconstructs the tangent space from a normal and a tangent
+* normal: The surface normal
+* tangent: The surface tangent
+* sigma: Defines the handedness of the tangent space matrix. 1.0 if it is right handend. -1.0 if it is left handed
+*/
+float3x3 ConstructTangentSpace(float3 normal, float3 tangent, float3 sigma)
+{
+    float3 n = normalize(normal);
+    float3 t = normalize(tangent - n * dot(tangent, n));
+    float3 b = cross(n, t) * sigma;
+    
+    return float3x3(t, b, n);
+}
+
+/**
+ * Calculates the luminance of an rgb-value.
+ * @param rgb The rgb color.
+ * @return The luminance of the given rgb color.
+ */
+float ColorToLuminance(float3 rgb)
+{
+    return rgb.r * 0.212639 + rgb.g * 0.715169 + rgb.b * 0.072192;    
+}
+
+/**
+ * Extrancts the handedness of the bitangent that is encoded in the z-component of the tangent.
+ * @param tangentz The z-component of the tangent with the handedness encoded.
+ * @return The handedness of the bitangent (bitangent = handedness * tangent x normal)
+ */
+float GetBitangentHandedness(float tangentz)
+{
+	// handedness is in least significant bit of tangent.z
+    uint z = asuint(tangentz);
+    return (z & 1) > 0 ? 1.0 : -1.0;
+}
+
+#endif // __SHADER_HELPERS_HLSL__

GlitchyEditor/content/Shaders/ShaderHelpers.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/SimpleTonemapping.hlsl

@@ -0,0 +1,39 @@
+#include "ACES.hlsl"
+
+Texture2D CameraTarget : register(t0);
+SamplerState CameraTargetSampler : register(s0);
+
+struct VS_IN
+{
+	float2 Position : POSITION;
+	float2 TexCoord : TEXCOORD0;
+};
+
+struct PS_IN
+{
+	float4 Position : SV_POSITION;
+	float2 TexCoord : TEXCOORD;
+};
+
+PS_IN VS(VS_IN input)
+{
+	PS_IN output;
+
+	output.Position = float4(input.Position, 0, 1);
+	output.TexCoord = input.TexCoord;
+
+	return output;
+}
+
+float4 PS(PS_IN input) : SV_TARGET
+{
+	float4 rawColor = CameraTarget.Sample(CameraTargetSampler, input.TexCoord);
+
+	// float3 color = rawColor.rgb / (rawColor.rgb + 1.0f);
+
+	float3 color = ACESFitted(rawColor.rgb);
+	
+	return float4(color, 1);
+}
+
+#pragma Effect[VS = VS; PS = PS]

GlitchyEditor/content/Shaders/SimpleTonemapping.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/circlebatch.hlsl

@@ -0,0 +1,88 @@
+#define EDITOR
+
+Texture2D Texture : register(t0);
+SamplerState Sampler : register(s0);
+
+cbuffer Constants : register(b0)
+{
+    float4x4 ViewProjection;
+};
+
+struct VS_Input
+{
+    float2 Position     : POSITION;
+    float2 Texcoord     : TEXCOORD0;
+    float4x4 Transform  : TRANSFORM;
+    float4 Color        : COLOR;
+    float4 UVTransform  : TEXCOORD1;
+    float InnerRadius   : TEXCOORD2;
+#ifdef EDITOR
+    uint EntityId : ENTITYID;
+#endif
+};
+
+struct PS_Input
+{
+    float4 Position     : SV_Position;
+    float2 RawPos       : TEXCOORD0;
+    float2 Texcoord     : TEXCOORD1;
+    float4 Color        : COLOR;
+#ifdef EDITOR
+    nointerpolation uint EntityId : ENTITYID;
+#endif
+    float InnerRadius   : TEXCOORD2;
+};
+
+PS_Input VS(VS_Input input)
+{
+    PS_Input output;
+
+    output.Position = mul(ViewProjection, mul(input.Transform, float4(input.Position, 0.0f, 1.0f)));
+    output.Texcoord = input.UVTransform.xy + input.UVTransform.zw * input.Texcoord;
+    output.RawPos = input.Position;
+    output.Color = input.Color;
+    output.InnerRadius = input.InnerRadius;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+struct PS_Output
+{
+    float4 Color : SV_Target0;
+#ifdef EDITOR
+    uint EntityId : SV_TARGET1;
+#endif
+};
+
+PS_Output PS(PS_Input input)
+{
+    PS_Output output;
+
+    float2 uv = input.RawPos * 2;
+
+    float distance = 1.0f - length(uv);
+
+    // Smoothing edges based on derivative (not sure if RawPos is the best value for this)
+    float f = fwidth(input.RawPos.x) + fwidth(input.RawPos.y);
+
+    float amount = smoothstep(0.0f, f, distance);
+    amount *= smoothstep(input.InnerRadius + f, input.InnerRadius, distance);
+
+    // Discard invisible pixels
+    clip(amount - 0.5f);
+
+    output.Color = Texture.Sample(Sampler, input.Texcoord) * input.Color;
+    output.Color.a *= amount;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+#pragma Effect[VS=VS; PS=PS]

GlitchyEditor/content/Shaders/circlebatch.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/lineShader.hlsl

@@ -28,4 +28,4 @@ float4 PS(PS_Input input) : SV_Target0
     return Color;
 }
 
-#effect[VS=VS, PS=PS]
+#pragma Effect[VS=VS; PS=PS]

GlitchyEditor/content/Shaders/lineShader.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/linebatch.hlsl

@@ -0,0 +1,61 @@
+#define EDITOR
+
+cbuffer Constants : register(b0)
+{
+    float4x4 ViewProjection;
+};
+
+struct VS_Input
+{
+    float4 Position : POSITION;
+    float4 Color    : COLOR;
+#ifdef EDITOR
+    uint EntityId   : ENTITYID;
+#endif
+};
+
+typedef struct PS_Input
+{
+    float4 Position : SV_Position;
+    float4 Color    : COLOR;
+#ifdef EDITOR
+    nointerpolation uint EntityId : ENTITYID;
+#endif
+} VS_Output;
+
+VS_Output VS(VS_Input input)
+{
+    VS_Output output;
+
+    output.Position = mul(ViewProjection, input.Position);
+    output.Color = input.Color;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+struct PS_Output
+{
+    float4 Color : SV_TARGET0;
+#ifdef EDITOR
+    uint EntityId : SV_TARGET1;
+#endif
+};
+
+PS_Output PS(PS_Input input)
+{
+    PS_Output output;
+
+    output.Color = input.Color;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+#pragma Effect[VS=VS; PS=PS]

GlitchyEditor/content/Shaders/linebatch.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}/* No reflection data for GlitchyEditor.Assets.EffectAssetLoaderConfig. Add [BonTarget] or force it */
+}

GlitchyEditor/content/Shaders/msdfShader.hlsl

@@ -0,0 +1,93 @@
+Texture2D<float3> Texture : register(t0);
+SamplerState Sampler : register(s0);
+
+cbuffer Constants
+{
+    float4x4 ViewProjection;
+    float2 UnitRange;
+    float screenPixelRange = 2;
+}
+
+struct VS_Input
+{
+    float2 Position    : POSITION;
+    float2 Texcoord    : TEXCOORD0;
+    float4x4 Tranform  : TRANSFORM;
+    float4 Color       : COLOR;
+    float4 UVTransform : TEXCOORD1;
+};
+
+struct PS_Input
+{
+    float4 Position : SV_Position;
+    float2 TexCoord : TEXCOORD0;
+    float4 Color    : COLOR;
+};
+
+PS_Input VS(VS_Input input)
+{
+    PS_Input output;
+
+    output.Position = mul(ViewProjection, mul(input.Tranform, float4(input.Position, 0.0f, 1.0f)));
+    output.TexCoord = input.UVTransform.xy + input.UVTransform.zw * input.Texcoord;
+    output.Color = input.Color;
+
+    return output;
+}
+
+/*
+in vec2 texCoord;
+out vec4 color;
+uniform sampler2D msdf;
+uniform vec4 bgColor;
+uniform vec4 fgColor;
+
+float median(float r, float g, float b) {
+    return max(min(r, g), min(max(r, g), b));
+}
+
+void main() {
+    vec3 msd = texture(msdf, texCoord).rgb;
+    float sd = median(msd.r, msd.g, msd.b);
+    float screenPxDistance = screenPxRange()*(sd - 0.5);
+    float opacity = clamp(screenPxDistance + 0.5, 0.0, 1.0);
+    color = mix(bgColor, fgColor, opacity);
+}
+*/
+
+
+float median(float r, float g, float b)
+{
+    return max(min(r, g), min(max(r, g), b));
+}
+
+float ScreenPxRange(float2 texcoord)
+{
+    float2 screenTexSize = 1.0f / fwidth(texcoord);
+    return max(0.5f * dot(UnitRange, screenTexSize), 1.0f);
+}
+
+float4 PS(PS_Input input) : SV_Target0
+{
+    float3 msd = Texture.Sample(Sampler, input.TexCoord);
+    float sd = median(msd.r, msd.g, msd.b);
+    float screenPxDistance = ScreenPxRange(input.TexCoord) * (sd - 0.5);
+    float opacity = clamp(screenPxDistance + 0.5, 0.0, 1.0);
+
+    return float4(input.Color.rgb, opacity * input.Color.a);
+}
+
+/*
+// 2D
+float4 PS(PS_Input input) : SV_Target0
+{
+    float3 msd = Texture.Sample(Sampler, input.TexCoord).rgb;
+    float sd = median(msd.r, msd.g, msd.b);
+    float screenPxDistance = screenPixelRange*(sd - 0.5);
+    float opacity = clamp(screenPxDistance + 0.5, 0.0, 1.0);
+
+    return float4(input.Color.rgb, opacity * input.Color.a);
+}
+*/
+
+#pragma Effect[VS=VS; PS=PS]

GlitchyEditor/content/Shaders/msdfShader.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/myEffect.hlsl

@@ -0,0 +1,159 @@
+#define OutputEntityId
+
+#include "ShaderHelpers.hlsl"
+
+Texture2D AlbedoTexture : register(t0);
+SamplerState AlbedoSampler : register(s0);
+
+Texture2D<float3> NormalTexture : register(t1);
+SamplerState NormalSampler : register(s1);
+
+Texture2D<float> MetallicTexture : register(t2);
+SamplerState MetallicSampler : register(s2);
+
+Texture2D<float> RoughnessTexture : register(t3);
+SamplerState RoughnessSampler : register(s3);
+
+// Texture2D<float> AmbientTexture : register(t4);
+// SamplerState AmbientSampler : register(s4);
+
+#pragma EngineBuffer[ Name = "SceneConstants"; Binding = "Scene" ]
+cbuffer SceneConstants : register(b0)
+{
+    float4x4 ViewProjection;
+}
+
+#pragma EngineBuffer[ Name = "ObjectConstants"; Binding = "Object" ]
+cbuffer ObjectConstants : register(b1)
+{
+    float4x4 Transform;
+    /**
+     * \brief Inverted and transposed transform matrix.
+     * \remarks This matrix is used in order to correctly transform normal vectors.
+     */
+    float4x3 Transform_InvT;
+#ifdef OutputEntityId
+    uint EntityId;
+#endif
+}
+
+cbuffer MaterialConstants : register(b2)
+{
+    #pragma EditorVariable[ Name = "AlbedoColor"; Preview = "Albedo Color"; Type="Color" ]
+    float4 AlbedoColor = float4(1.0, 1.0, 1.0, 1.0);
+    #pragma EditorVariable[ Name = "NormalScaling"; Preview = "Normal Scaling" ]
+    float2 NormalScaling = float2(1.0, 1.0);
+    #pragma EditorVariable[ Name = "MetallicFactor"; Preview = "Metallic Factor"; Min = 0.0f; Max = 1.0f ]
+    float MetallicFactor = 1.0;
+    #pragma EditorVariable[ Name = "RoughnessFactor"; Preview = "Rougness Factor"; Min = 0.0f; Max = 1.0f ]
+    float RoughnessFactor = 1.0;
+    // float AmbientFactor = 1.0;
+}
+
+struct VS_IN
+{
+    float3 Position     : POSITION;
+    float3 Normal       : NORMAL;
+    // Todo: Tangent.w... handedness
+	float3 Tangent      : TANGENT;
+	float2 TexCoord     : TEXCOORD;
+};
+
+struct PS_IN
+{
+    float4 Position      : SV_POSITION;
+    float3 WorldPosition : WORLDPOSITION;
+    float3 Normal        : NORMAL;
+	float3 Tangent       : TANGENT;
+	float2 TexCoord      : TEXCOORD;
+	//nointerpolation float Handedness : HANDEDNESS;
+#ifdef OutputEntityId
+    nointerpolation uint EntityId : ENTITYID;
+#endif
+};
+
+PS_IN VS(VS_IN input)
+{
+    PS_IN output;
+	
+	float4 worldPosition = mul(Transform, float4(input.Position, 1));
+	
+	output.Position = mul(ViewProjection, worldPosition);
+    output.WorldPosition = worldPosition.xyz / worldPosition.w;
+
+    output.Normal = mul(Transform_InvT, input.Normal);
+	output.Tangent = mul((float3x3)Transform, input.Tangent);
+	// TODO: output.Handedness = input.Tangent.w
+
+	output.TexCoord = input.TexCoord;
+
+    output.EntityId = EntityId;
+    
+    return output;
+}
+
+struct PS_OUT
+{
+    float4 Albedo   : SV_TARGET0;
+    // RG: TextureNormal.XY BA: GeoNrm.XY
+    float4 Normal   : SV_TARGET1;
+    // R: GeoNrm.Z GBA: GeoTan.XYZ
+    float4 Tangent   : SV_TARGET2;
+    float4 Position : SV_TARGET3;
+    // R: Metallicity G: Roughness B: Ambient
+    float4 Material : SV_TARGET4;
+#ifdef OutputEntityId
+    uint EntityId : SV_TARGET5;
+#endif
+};
+
+PS_OUT PS(PS_IN input)
+{
+    // Build tangent space
+    float3 normal = normalize(input.Normal);
+    float3 tangent = normalize(input.Tangent - dot(input.Tangent, normal) * input.Normal);
+    // TODO: float3 bitangent = input.Handedness * cross(normal, tangent);
+    float3 bitangent = -cross(normal, tangent);
+
+    //float3x3 tangentTransform = float3x3(tangent, bitangent, normal);
+    //tangentTransform = transpose(tangentTransform);
+
+    float4 texAlbedo = AlbedoTexture.Sample(AlbedoSampler, input.TexCoord);
+    float3 texNormal = NormalTexture.Sample(NormalSampler, input.TexCoord);
+    texNormal.xy = texNormal.xy * 2.0 - 1.0;
+    float texMetallic = MetallicTexture.Sample(MetallicSampler, input.TexCoord);
+    float texRoughness = RoughnessTexture.Sample(RoughnessSampler, input.TexCoord);
+
+    //float3 objectNormal = mul(tangentTransform, texNormal);
+    //float3 worldNormal = mul(objectNormal, (float3x3)Transform);
+
+    float4 finalAlbedo = texAlbedo * AlbedoColor;
+    float3 finalNormal = ScaleNormal(texNormal, NormalScaling);
+    float finalMetallic = texMetallic * MetallicFactor;
+    float finalRoughness = texRoughness * RoughnessFactor;
+
+/////////////TODO: REMOVEME
+
+	//worldNormal = max(worldNormal - 10000000, normal);
+	//texAlbedo = max(texAlbedo - 10000000, 1.0);
+	//texMetallic = max(texMetallic - 10000000, 0.0);
+	//texRoughness = max(texRoughness - 10000000, 0.1);
+
+/////////////TODO: END_REMOVEME
+
+    PS_OUT output;
+    output.Albedo = finalAlbedo;
+    //output.Normal = float4(objectNormal, 1.0);
+    output.Normal = float4(finalNormal.xy, normal.xy);
+    output.Tangent = float4(normal.z, tangent.xyz);
+	output.Position = float4(input.WorldPosition, 1.0); 
+    output.Material = float4(finalMetallic, finalRoughness, 1.0, 0);
+
+#ifdef OutputEntityId
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+#pragma Effect[VS = VS; PS = PS]

GlitchyEditor/content/Shaders/myEffect.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/render2dShaderInst.hlsl

@@ -1,37 +0,0 @@
-Texture2D Texture : register(t0);
-SamplerState Sampler : register(s0);
-
-struct VS_Input
-{
-    float2 Position    : POSITION;
-    float4x4 Tranform  : TRANSFORM;
-    float4 Color       : COLOR;
-    float4 UVTransform : TEXCOORD;
-};
-
-struct PS_Input
-{
-    float4 Position : SV_Position;
-    float2 TexCoord : TEXCOORD0;
-    float4 Color : COLOR;
-};
-
-PS_Input VS(VS_Input input)
-{
-    PS_Input output;
-
-    output.Position = mul(float4(input.Position, 0.0f, 1.0f), input.Tranform);
-    output.TexCoord = input.UVTransform.xy + input.UVTransform.zw * input.Position;
-    output.Color = input.Color;
-
-    return output;
-}
-
-float4 PS(PS_Input input) : SV_Target0
-{
-    float4 color = input.Color * Texture.Sample(Sampler, input.TexCoord);
-    
-    return color;
-}
-
-#effect[VS=VS, PS=PS]

GlitchyEditor/content/Shaders/simpleLight.hlsl

@@ -0,0 +1,126 @@
+#include "ShaderHelpers.hlsl"
+#include "PBR.hlsl"
+
+#define Render						0
+#define Inspect_NormalDistribution	1
+#define Inspect_GeometryFunction	2
+#define Inspect_Fresnel				3
+#define Inspect_Normal				4
+
+#define OUTPUT Render
+
+SamplerState Sampler : register(s0);
+
+Texture2D GBuffer_Albedo : register(t0);
+Texture2D GBuffer_Normal : register(t1);
+Texture2D GBuffer_Tangent : register(t2);
+Texture2D GBuffer_Position : register(t3);
+Texture2D GBuffer_Material : register(t4);
+
+cbuffer Constants
+{
+	float3 CameraPos;
+	float2 Scaling;
+}
+
+cbuffer LightConstants
+{
+	float3 LightColor;
+    float Illuminance;
+    float3 LightDir;
+}
+
+struct VS_IN
+{
+    float2 Position : POSITION;
+    float2 TexCoord : TEXCOORD0;
+};
+
+struct PS_IN
+{
+    float4 Position : SV_POSITION;
+    float2 TexCoord : TEXCOORD;
+};
+
+PS_IN VS(VS_IN input)
+{
+    PS_IN output;
+	
+    output.Position = float4(input.Position, 0, 1);
+    output.TexCoord = input.TexCoord * Scaling;
+    
+    return output;
+}
+
+float4 PS(PS_IN input) : SV_TARGET
+{
+    // Load Data from GBuffer
+    float4 rawAlbedo = GBuffer_Albedo.Sample(Sampler, input.TexCoord);
+	float4 rawNormal = GBuffer_Normal.Sample(Sampler, input.TexCoord);
+	float4 rawTangent = GBuffer_Tangent.Sample(Sampler, input.TexCoord);
+	float4 rawPosition = GBuffer_Position.Sample(Sampler, input.TexCoord);
+	float4 rawMaterial = GBuffer_Material.Sample(Sampler, input.TexCoord);
+
+	// Extract data from GBuffer
+	float3 albedo = rawAlbedo.rgb;
+    //float3 surfaceNormal = normalize(rawNormal.xyz);
+    float3 worldPosition = rawPosition.xyz;
+
+    float metallic = rawMaterial.r;
+    float roughness = rawMaterial.g;
+
+	float3 textureNormal = DecompressNormal(rawNormal.rg);
+	float3 rawGeoNrm = float3(rawNormal.ba, rawTangent.r);
+	float3 rawGeoTan = rawTangent.gba;
+
+	// Reconstruct normal space
+	float3 normal = normalize(rawGeoNrm);
+	float3 tangent = normalize(rawGeoTan - dot(rawGeoTan, normal) * normal);
+	float3 bitangent = -cross(normal, tangent);
+
+	float3x3 tangentTransform = float3x3(tangent, bitangent, normal);
+
+	float3 surfaceNormal = mul(textureNormal, tangentTransform);
+	
+	float3 lightDir = normalize(LightDir);
+	float3 viewDir = normalize(CameraPos - worldPosition.xyz);
+	float3 halfway = normalize(lightDir + viewDir);
+
+	float n_dot_v = max(dot(surfaceNormal, viewDir), 0.0f);
+	float n_dot_h = max(dot(surfaceNormal, halfway), 0.0f);
+	float n_dot_l = max(dot(surfaceNormal, lightDir), 0.0f);
+
+	float nrmDist = NormalDistributionGGX(surfaceNormal, halfway, roughness);
+	float geo = GeometrySmith(surfaceNormal, viewDir, lightDir, roughness);
+
+	float3 F0 = 0.04f;
+	F0 = lerp(F0, albedo, metallic);
+	float3 fresnel = FresnelSchlick(n_dot_h, F0);
+	
+	float3 ks = fresnel;
+	float3 kd = 1.0f - ks;
+
+	// Metals have no diffuse light
+	kd *= 1.0f - metallic;
+
+	float3 diffuse = albedo / PI;
+	float3 specular = (nrmDist * fresnel * geo) / max(4 * n_dot_v * n_dot_l, 0.0001f);
+
+	float3 luminanceColor = LightColor * Illuminance;
+
+	float3 final = (kd * diffuse + specular) * luminanceColor * n_dot_l;
+	
+#if OUTPUT == Inspect_NormalDistribution
+		final = max(final - 10000000, nrmDist.xxx);
+#elif OUTPUT == Inspect_GeometryFunction
+		final = max(final - 10000000, geo.xxx);
+#elif OUTPUT == Inspect_Fresnel
+		final = max(final - 10000000, fresnel);
+#elif OUTPUT == Inspect_Normal
+		final = max(final - 10000000, surfaceNormal / 2 + 0.5f);
+#endif
+
+	return float4(final, 1);
+}
+
+#pragma Effect[VS = VS; PS = PS]

GlitchyEditor/content/Shaders/simpleLight.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/spritebatch.hlsl

@@ -0,0 +1,74 @@
+#define EDITOR
+
+Texture2D Texture : register(t0);
+SamplerState Sampler : register(s0);
+
+cbuffer Constants : register(b0)
+{
+    float4x4 ViewProjection;
+};
+
+struct VS_Input
+{
+    float2 Position     : POSITION;
+    float2 Texcoord     : TEXCOORD0;
+    float4x4 Transform  : TRANSFORM;
+    float4 Color        : COLOR;
+    float4 UVTransform  : TEXCOORD1;
+#ifdef EDITOR
+    uint EntityId : ENTITYID;
+#endif
+};
+
+struct PS_Input
+{
+    float4 Position : SV_Position;
+    float2 Texcoord : TEXCOORD;
+    float4 Color    : COLOR;
+#ifdef EDITOR
+    nointerpolation uint EntityId : ENTITYID;
+#endif
+};
+
+PS_Input VS(VS_Input input)
+{
+    PS_Input output;
+
+    output.Position = mul(ViewProjection, mul(input.Transform, float4(input.Position, 0.0f, 1.0f)));
+    output.Texcoord = input.UVTransform.xy + input.UVTransform.zw * input.Texcoord;
+    output.Color = input.Color;
+
+    // Premultiply Alpha
+    output.Color.rgb *= output.Color.a;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+struct PS_Output
+{
+    float4 Color : SV_Target0;
+#ifdef EDITOR
+    uint EntityId : SV_TARGET1;
+#endif
+};
+
+PS_Output PS(PS_Input input)
+{
+    PS_Output output;
+
+    output.Color = Texture.Sample(Sampler, input.Texcoord) * input.Color;
+    
+    clip(output.Color.a - 0.001f);
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+#pragma Effect[VS = VS; PS = PS]

GlitchyEditor/content/Shaders/spritebatch.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Shaders/testShader.hlsl

@@ -1,84 +0,0 @@
-cbuffer SceneConstants
-{
-    float4x4 ViewProjection = float4x4(1, 0, 0, 0, 
-        0, 1, 0, 0, 
-        0, 0, 1, 0, 
-        0, 0, 0, 1);
-}
-
-cbuffer ObjectConstants
-{
-    float4x4 Transform;
-}
-
-cbuffer Constants
-{
-    float4 BaseColor;
-    float3 LightDir;
-}
-
-cbuffer SkinningMatrices
-{
-    matrix SkinningMatrices[255];
-    float3x3 InvTransSkinningMatrices[255];
-}
-
-struct VS_IN
-{
-    float3 Position     : POSITION;
-    float3 Normal       : NORMAL;
-    uint4  JointIndices : JOINTS_0;
-    float4 JointWeights : WEIGHTS_0;
-};
-
-struct PS_IN
-{
-    float4 Position : SV_POSITION;
-    float3 Normal   : NORMAL;
-};
-
-PS_IN VS(VS_IN input)
-{
-    PS_IN output;
-	
-    // Unanimated position in modelspace
-    float4 positionRaw = float4(input.Position, 1);
-
-    // Calculate animated position in modelspace
-    
-    float4 position = 
-        mul(SkinningMatrices[input.JointIndices.x], positionRaw) * input.JointWeights.x + 
-        mul(SkinningMatrices[input.JointIndices.y], positionRaw) * input.JointWeights.y + 
-        mul(SkinningMatrices[input.JointIndices.z], positionRaw) * input.JointWeights.z + 
-        mul(SkinningMatrices[input.JointIndices.w], positionRaw) * input.JointWeights.w;
-    
-    float3 normal = 
-        mul(InvTransSkinningMatrices[input.JointIndices.x], input.Normal) * input.JointWeights.x + 
-        mul(InvTransSkinningMatrices[input.JointIndices.y], input.Normal) * input.JointWeights.y + 
-        mul(InvTransSkinningMatrices[input.JointIndices.z], input.Normal) * input.JointWeights.z + 
-        mul(InvTransSkinningMatrices[input.JointIndices.w], input.Normal) * input.JointWeights.w;
-    
-    //position = saturate(position - 1000) + positionRaw;
-    
-    //float4 position = mul(SkinningMatrices[input.JointIndices.x], positionRaw);
-
-	float4 worldPosition = mul(Transform, position);
-	
-    output.Position = mul(ViewProjection, worldPosition);
-    output.Normal = mul((float3x3)Transform, normal);
-    
-    return output;
-}
-
-float4 PS(PS_IN input) : SV_TARGET
-{
-    input.Normal = normalize(input.Normal);
-
-    float shading = dot(LightDir, input.Normal);
-    //float shading = dot(LightDir, LightDir) + 1;
-    shading = clamp(shading, 0.0f, 1.0f);
-
-    return BaseColor * shading;
-}
-
-#effect[VS=VS,PS=PS]

GlitchyEditor/content/Shaders/textureViewerShader.hlsl

@@ -0,0 +1,52 @@
+Texture2D Texture : register(t0);
+SamplerState Sampler : register(s0);
+
+cbuffer Constants
+{
+    float4x4 ViewProjection;
+
+    float ColorOffset = 0.5f;
+    float AlphaOffset = 0.0f;
+    float ColorScale = 0.5f;
+    float AlphaScale = 1.0f;
+
+    float2 TextureSizeInPixels;
+}
+
+struct VS_Input
+{
+    float2 Position     : POSITION;
+    float2 Texcoord     : TEXCOORD0;
+    float4x4 Transform  : TRANSFORM;
+    float4 Color        : COLOR;
+    float4 UVTransform  : TEXCOORD1;
+};
+
+struct PS_Input
+{
+    float4 Position : SV_Position;
+    float2 Texcoord : TEXCOORD0;
+    float4 Color : COLOR;
+};
+
+PS_Input VS(VS_Input input)
+{
+    PS_Input output;
+
+    output.Position = mul(ViewProjection, mul(input.Transform, float4(input.Position, 0.0f, 1.0f)));
+    output.Texcoord = input.UVTransform.xy + input.UVTransform.zw * input.Texcoord;
+    output.Color = input.Color;
+
+    return output;
+}
+
+float4 PS(PS_Input input) : SV_Target0
+{
+    float4 color = Texture.Sample(Sampler, input.Texcoord);
+
+    float4 final = float4(ColorOffset.xxx, AlphaOffset) + color * float4(ColorScale.xxx, AlphaScale);
+
+    return final;
+}
+
+#pragma Effect[VS=VS; PS=PS]

GlitchyEditor/content/Shaders/textureViewerShader.hlsl.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "EffectAssetLoader",
+	Config = (GlitchyEditor.Assets.EffectAssetLoaderConfig){}
+}

GlitchyEditor/content/Textures/DefaultNormal.png.ass

@@ -0,0 +1,23 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -340282346638528859811704183484516925440,
+			MipMaxLOD = 340282346638528859811704183484516925440,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/EditorIcons.dds.ass

@@ -0,0 +1,23 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -340282346638528859811704183484516925440,
+			MipMaxLOD = 340282346638528859811704183484516925440,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/RocketMaterial.mat

@@ -0,0 +1,31 @@
+{
+	Effect = "Shaders/myEffect.hlsl",
+	Textures = [
+		"AlbedoTexture": "Textures/rocket.png",
+		"NormalTexture": "Textures/TestMat/rustediron2_normal.png",
+		"MetallicTexture": "Textures/TestMat/rustediron2_metallic.png",
+		"RoughnessTexture": "Textures/TestMat/rustediron2_roughness.png"
+	],
+	Variables = [
+		"AlbedoColor": .ColorRGBA{
+			Value = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		},
+		"NormalScaling": .Float2{
+			Value = {
+				X = 1,
+				Y = 1
+			}
+		},
+		"MetallicFactor": .Float{
+			Value = 0
+		},
+		"RoughnessFactor": .Float{
+			Value = 1
+		}
+	]
+}

GlitchyEditor/content/Textures/RocketMaterial.mat.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "MaterialAssetLoader",
+	Config = (GlitchyEditor.Assets.ModelAssetLoaderConfig){}/* No reflection data for GlitchyEditor.Assets.ModelAssetLoaderConfig. Add [BonTarget] or force it */
+}

GlitchyEditor/content/Textures/TestMat/nrm.png.ass

@@ -0,0 +1,23 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -340282346638528859811704183484516925440,
+			MipMaxLOD = 340282346638528859811704183484516925440,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/TestMat/rustediron2_albedo.png.ass

@@ -0,0 +1,27 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_generateMipMaps = true,
+		_isSrgb = true,
+		_samplerStateDescription = {
+			MinFilter = .Anisotropic,
+			MagFilter = .Anisotropic,
+			MipFilter = .Anisotropic,
+			FilterMode = .Default,
+			ComparisonFunction = .Never,
+			AddressModeU = .Wrap,
+			AddressModeV = .Wrap,
+			AddressModeW = .Wrap,
+			MipLODBias = 0,
+			MipMinLOD = 0,
+			MipMaxLOD = 3,
+			MaxAnisotropy = 16,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/TestMat/rustediron2_metallic.png.ass

@@ -0,0 +1,27 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_generateMipMaps = false,
+		_isSrgb = false,
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			FilterMode = .Default,
+			ComparisonFunction = .Never,
+			AddressModeU = .Wrap,
+			AddressModeV = .Wrap,
+			AddressModeW = .Clamp,
+			MipLODBias = 0,
+			MipMinLOD = -3.40282347e+38,
+			MipMaxLOD = 3.40282347e+38,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/TestMat/rustediron2_normal.png.ass

@@ -0,0 +1,27 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_generateMipMaps = false,
+		_isSrgb = false,
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			FilterMode = .Default,
+			ComparisonFunction = .Never,
+			AddressModeU = .Wrap,
+			AddressModeV = .Wrap,
+			AddressModeW = .Clamp,
+			MipLODBias = 2.5999999,
+			MipMinLOD = -Infinity,
+			MipMaxLOD = Infinity,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/TestMat/rustediron2_roughness.png.ass

@@ -0,0 +1,27 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_generateMipMaps = false,
+		_isSrgb = true,
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			FilterMode = .Default,
+			ComparisonFunction = .Never,
+			AddressModeU = .Wrap,
+			AddressModeV = .Wrap,
+			AddressModeW = .Clamp,
+			MipLODBias = 0,
+			MipMinLOD = -3.40282347e+38,
+			MipMaxLOD = 3.40282347e+38,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/TestMaterial.mat

@@ -0,0 +1,31 @@
+{
+	Effect = "Shaders\\myEffect.hlsl",
+	Textures = [
+		"AlbedoTexture": "Textures\\TestMat\\rustediron2_albedo.png",
+		"NormalTexture": "Textures\\TestMat\\rustediron2_normal.png",
+		"MetallicTexture": "Textures\\TestMat\\rustediron2_metallic.png",
+		"RoughnessTexture": "Textures\\TestMat\\rustediron2_roughness.png"
+	],
+	Variables = [
+		"AlbedoColor": .ColorRGBA{
+			Value = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		},
+		"NormalScaling": .Float2{
+			Value = {
+				X = 1,
+				Y = 1
+			}
+		},
+		"MetallicFactor": .Float{
+			Value = 1
+		},
+		"RoughnessFactor": .Float{
+			Value = 1
+		}
+	]
+}

GlitchyEditor/content/Textures/TestMaterial.mat.ass

@@ -0,0 +1,4 @@
+{
+	AssetLoader = "MaterialAssetLoader",
+	Config = (GlitchyEditor.Assets.ModelAssetLoaderConfig){}
+}

GlitchyEditor/content/Textures/White.png.ass

@@ -0,0 +1,23 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -340282346638528859811704183484516925440,
+			MipMaxLOD = 340282346638528859811704183484516925440,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/rocket.dds.ass

@@ -0,0 +1,24 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_isSrgb = true,
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			MagFilter = .Linear,
+			MipFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -3.40282347e+38,
+			MipMaxLOD = 3.40282347e+38,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/content/Textures/rocket.png.ass

@@ -0,0 +1,22 @@
+{
+	AssetLoader = "EditorTextureAssetLoader",
+	Config = (GlitchyEditor.Assets.EditorTextureAssetLoaderConfig){
+		_isSrgb = true,
+		_samplerStateDescription = {
+			MinFilter = .Linear,
+			ComparisonFunction = .Never,
+			AddressModeU = .Clamp,
+			AddressModeV = .Clamp,
+			AddressModeW = .Clamp,
+			MipMinLOD = -340282346638528859811704183484516925440,
+			MipMaxLOD = 340282346638528859811704183484516925440,
+			MaxAnisotropy = 1,
+			BorderColor = {
+				R = 1,
+				G = 1,
+				B = 1,
+				A = 1
+			}
+		}
+	}
+}

GlitchyEditor/src/AssetFile.bf

@@ -0,0 +1,121 @@
+using System;
+using GlitchyEngine;
+using System.IO;
+using Bon;
+using GlitchyEngine.Content;
+
+namespace GlitchyEditor;
+
+[BonTarget]
+class AssetConfig
+{
+    [BonIgnore]
+	public bool IgnoreFile = false;
+
+	[BonInclude]
+	public String AssetLoader ~ delete _;
+
+	[BonInclude]
+	public AssetLoaderConfig Config ~ delete _;
+}
+
+class AssetFile
+{
+	private EditorContentManager _contentManager;
+
+	private String _path;
+	private String _identifier;
+	private String _assetConfigPath;
+
+	private AssetConfig _assetConfig ~ delete _;
+
+	private bool _isDirectory;
+
+	private Asset _loadedAsset;
+
+	public bool IsDirectory => _isDirectory;
+
+	public StringView FilePath => _path;
+	public StringView Identifier => _identifier;
+
+	public const String ConfigFileExtension = ".ass";
+
+	public AssetConfig AssetConfig => _assetConfig;
+
+	public Asset LoadedAsset => _loadedAsset;
+
+	[AllowAppend]
+	public this(EditorContentManager contentManager, StringView identifier, StringView path, bool isDirectory)
+	{
+		String identifierBuffer = append String(identifier);
+		String pathBuffer = append String(path);
+		String configPathBuffer = append String(path.Length + ConfigFileExtension.Length);
+
+		_identifier = identifierBuffer;
+		_path = pathBuffer;
+
+		configPathBuffer..Append(path).Append(ConfigFileExtension);
+		_assetConfigPath = configPathBuffer;
+
+		_contentManager = contentManager;
+
+		_isDirectory = isDirectory;
+
+		Log.EngineLogger.AssertDebug(File.Exists(_path), "File doesn't exist.");
+
+		FindAssetConfig();
+	}
+
+	// Loads the asset config (.ass) file or creates it.
+	private void FindAssetConfig()
+	{
+		if (File.Exists(_assetConfigPath))
+		{
+			LoadAssetConfig();
+		}
+		else
+		{
+			CreateDefaultAssetLoader();
+		}
+	}
+
+	private void CreateDefaultAssetLoader()
+	{
+		String fileExtension = Path.GetExtension(_path, .. scope .());
+		
+		_assetConfig = new AssetConfig();
+		var assetLoader = _contentManager.GetDefaultAssetLoader(fileExtension);
+
+		// We don't have a loader -> we don't need a config
+		if (assetLoader == null)
+			return;
+
+		_assetConfig.AssetLoader = new String();
+		assetLoader.GetType().GetName(_assetConfig.AssetLoader);
+
+		_assetConfig.Config = assetLoader?.GetDefaultConfig();
+		_assetConfig.Config?.[Friend]_changed = true;
+
+		SaveAssetConfig();
+	}
+
+	private void LoadAssetConfig()
+	{
+		if (Bon.DeserializeFromFile(ref _assetConfig, _assetConfigPath) case .Err)
+		{
+			Log.EngineLogger.Error($"Failed to load asset config {_assetConfigPath}");
+
+			// TODO: Handle failure of asset config loading
+			Runtime.NotImplemented();
+		}
+	}
+
+	public void SaveAssetConfig()
+	{
+		gBonEnv.serializeFlags |= .Verbose;
+
+		Bon.SerializeIntoFile(_assetConfig, _assetConfigPath);
+
+		_assetConfig.Config.[Friend]_changed = false;
+	}
+}

GlitchyEditor/src/Assets/AssetHierarchy.bf

@@ -0,0 +1,426 @@
+using GlitchyEngine;
+using GlitchyEngine.Collections;
+using GlitchyEngine.Renderer;
+using System;
+using System.Collections;
+using System.IO;
+using System.Linq;
+
+namespace GlitchyEditor.Assets;
+
+public class AssetNode
+{
+	public String Name ~ delete _;
+	public String Path ~ delete _;
+
+	public bool IsDirectory;
+
+	public AssetFile AssetFile ~ delete _;
+
+	public List<SubAsset> SubAssets ~ {
+		SubAssets?.ClearAndDeleteItems();
+		delete SubAssets;
+	}
+
+	public Texture2D PreviewImage ~ _?.ReleaseRef();
+}
+
+public class SubAsset
+{
+	public AssetNode Asset;
+	public String Name ~ delete _;
+	//public String AssetInternalPath ~ delete _;
+
+	public Texture2D PreviewImage ~ _?.ReleaseRef();
+}
+
+public static class AssetIdentifier
+{
+	public const char8 DirectorySeparatorChar = '/';
+
+	public static void Fixup(String assetIdentifier)
+	{
+		const String DotSeperator = $".{DirectorySeparatorChar}";
+		const String SeperatorDot = $"{DirectorySeparatorChar}.";
+
+		assetIdentifier.Replace('\\', DirectorySeparatorChar);
+		assetIdentifier.Replace(DotSeperator, "");
+		assetIdentifier.Replace(SeperatorDot, "");
+
+		if (assetIdentifier.StartsWith(DirectorySeparatorChar))
+			assetIdentifier.Remove(0, 1);
+	}
+}
+
+class AssetHierarchy
+{
+	FileSystemWatcher fsw ~ {
+		_.StopRaisingEvents();
+		delete _;
+	};
+	
+	bool _fileSystemDirty = false;
+	
+	internal TreeNode<AssetNode> _assetHierarchy = null ~ DeleteTreeAndChildren!(_);
+	private append Dictionary<StringView, TreeNode<AssetNode>> _pathToAssetNode = .();
+	
+	private append String _contentDirectory = .();
+
+	private EditorContentManager _contentManager;
+
+	public StringView ContentDirectory
+	{
+		get => _contentDirectory;
+		private set
+		{
+			_contentDirectory.Clear();
+			_contentDirectory.Append(value);
+			Path.Fixup(_contentDirectory);
+		}
+	}
+
+	public this(EditorContentManager contentManager)
+	{
+		_contentManager = contentManager;
+	}
+
+	public void SetContentDirectory(StringView contentDirectory)
+	{
+		ContentDirectory = contentDirectory;
+
+		_fileSystemDirty = true;
+
+		SetupFileSystemWatcher();
+
+		Update();
+	}
+	
+	/// Initializes the FSW for the current ContentDirectory and registers the events.
+	private void SetupFileSystemWatcher()
+	{
+		delete fsw;
+		fsw = new FileSystemWatcher(_contentDirectory);
+		fsw.IncludeSubdirectories = true;
+
+		fsw.OnChanged.Add(new (filename) => {
+			// Note: Gets fired for a directory if a file inside it is created/removed
+			
+			Log.EngineLogger.Trace($"File content changed (\"{filename}\")");
+			//_fileSystemDirty = true;
+
+			FileContentChanged(filename);
+		});
+
+		fsw.OnCreated.Add(new (filename) => {
+			Log.EngineLogger.Trace($"File created (\"{filename}\")");
+
+			_fileSystemDirty = true;
+		});
+
+		fsw.OnDeleted.Add(new (filename) => {
+			Log.EngineLogger.Trace($"File deleted (\"{filename}\")");
+
+			_fileSystemDirty = true;
+		});
+
+		fsw.OnRenamed.Add(new (oldName, newName) => {
+			Log.EngineLogger.Trace($"File renamed (From \"{oldName}\" to \"{newName}\")");
+			
+			//_fileSystemDirty = true;
+			FileRenamed(oldName, newName);
+			/*String contentFilePath = scope String();
+
+			Path.InternalCombine(contentFilePath, ContentDirectory, oldName);
+
+			//_fileSystemDirty = true;
+			TreeNode<AssetNode> fileNode = GetNodeFromPath(contentFilePath);
+			fileNode->*/
+		});
+
+		fsw.StartRaisingEvents();
+	}
+
+	/// Gets the tree node for the given filePath or .Err, if the file/directory doesn't exist.
+	/// @param filePath the path for which to return the tree node.
+	/// @remarks Do not hold a reference to the TreeNode because it can become invalid when the file hierarchy changes.
+	public Result<TreeNode<AssetNode>> GetNodeFromPath(StringView filePath)
+	{
+		if (_pathToAssetNode.TryGetValue(filePath, let treeNode))
+		{
+			return treeNode;
+		}
+
+		return .Err;
+	}
+
+	public bool FileExists(StringView filePath)
+	{
+		return _pathToAssetNode.ContainsKey(filePath);
+	}
+
+	public void Update()
+	{
+		// TODO: do we really need to do this in the update loop?
+		if (_fileSystemDirty)
+		{
+			UpdateFiles();
+		}
+	}
+	
+
+	/// Rebuilds the asset file hierarchy.
+	private void UpdateFiles()
+	{
+		Log.EngineLogger.Trace($"Updating asset hierarchy");
+
+		if (_assetHierarchy == null)
+		{
+			// TODO: move to init?
+
+			_assetHierarchy = new TreeNode<AssetNode>(new AssetNode());
+			_assetHierarchy->Path = new String(ContentDirectory);
+			_assetHierarchy->Name = new String("Content");
+			_assetHierarchy->IsDirectory = true;
+
+			Log.EngineLogger.Trace($"Created directory node for: \"{_assetHierarchy->Path}\"");
+
+			_pathToAssetNode.Add(ContentDirectory, _assetHierarchy);
+		}
+
+		void HandleFile(AssetNode node)
+		{
+			String identifier = scope .(node.Path.Length);
+			Path.GetRelativePath(node.Path, _contentDirectory, identifier);
+			AssetIdentifier.Fixup(identifier);
+
+			node.AssetFile = new AssetFile(_contentManager, identifier, node.Path, node.IsDirectory);
+		}
+
+		/// Determines the files that belong to the given directory and adds them to the tree.
+		void AddFilesOfDirectory(TreeNode<AssetNode> directory)
+		{
+			// Filter that accepts all files.
+			String filter = scope $"{directory->Path}/*";
+
+			// Buffer used to hold the path of the files iterated below.
+			String filepathBuffer = scope String(256);
+			// Buffer used to hold the file extension of the files iterated below.
+			String extensionBuffer = scope String(16);
+
+			for (var entry in Directory.Enumerate(filter, .Files))
+			{
+				entry.GetFilePath(filepathBuffer..Clear());
+
+				Path.GetExtension(filepathBuffer, .. extensionBuffer..Clear());
+
+				// Ignore meta files.
+				if (extensionBuffer.Equals(AssetFile.ConfigFileExtension, .OrdinalIgnoreCase))
+					continue;
+
+				TreeNode<AssetNode> treeNode = directory.Children.Where(scope (node) => node.Value.Path == filepathBuffer).FirstOrDefault();
+
+				if (treeNode == null)
+				{
+					AssetNode assetNode = new AssetNode();
+					assetNode.Name = new String();
+					Path.GetFileName(filepathBuffer, assetNode.Name);
+					
+					filepathBuffer.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
+
+					assetNode.Path = new String(filepathBuffer);
+					assetNode.IsDirectory = false;
+
+					treeNode = directory.AddChild(assetNode);
+					_pathToAssetNode.Add(assetNode.Path, treeNode);
+
+					//GrabSubAssets(node);
+					HandleFile(treeNode.Value);
+
+					Log.EngineLogger.Trace($"Created file node for: \"{assetNode.Path}\"");
+				}
+			}
+		}
+
+		void RemoveOrphanedEntries(TreeNode<AssetNode> node)
+		{
+			/// Removes the node and its children from _pathToAssetNode
+			void RemoveSubtree(TreeNode<AssetNode> tree)
+			{
+				_pathToAssetNode.Remove(tree->Path);
+
+				for (var child in tree.Children)
+				{
+					RemoveSubtree(child);
+				}
+			}
+
+			for (TreeNode<AssetNode> child in node.Children)
+			{
+				if (!Directory.Exists(child->Path) && !File.Exists(child->Path))
+				{
+					Log.EngineLogger.Trace($"Removed orphaned node for: \"{child->Path}\"");
+
+					@child.Remove();
+
+					RemoveSubtree(child);
+
+					DeleteTreeAndChildren!(child);
+				}
+			}
+		}
+		
+		/// Adds the given directory to the specified tree.
+		/// Recursively adds all Files and Subdirectories.
+		void AddDirectoryToTree(String path, TreeNode<AssetNode> parentNode)
+		{
+			path.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
+
+			// Try to find the node for the specified path in the given parent
+			TreeNode<AssetNode> treeNode = parentNode.Children.Where(scope (node) => node.Value.Path == path).FirstOrDefault();
+
+			// Create new Node for the Directory, if no TreeNode exists.
+			if (treeNode == null)
+			{
+				AssetNode assetNode = new AssetNode();
+				assetNode.Path = new String(path);
+				assetNode.Name = new String();
+				assetNode.IsDirectory = true;
+				Path.GetFileName(assetNode.Path, assetNode.Name);
+
+				treeNode = parentNode.AddChild(assetNode);
+				_pathToAssetNode.Add(assetNode.Path, treeNode);
+
+				Log.EngineLogger.Trace($"Created directory node for: \"{assetNode.Path}\"");
+			}
+
+			String directoryNameBuffer = scope String(256);
+
+			// Filter that finds all entries of a directory.
+			String filter = scope $"{path}/*";
+
+			for (var directory in Directory.Enumerate(filter, .Directories))
+			{
+				directory.GetFilePath(directoryNameBuffer..Clear());
+
+				AddDirectoryToTree(directoryNameBuffer, treeNode);
+			}
+
+			AddFilesOfDirectory(treeNode);
+
+			RemoveOrphanedEntries(treeNode);
+		}
+		
+		String filter = scope $"{ContentDirectory}/*";
+		
+		String directoryNameBuffer = scope String(256);
+
+		for (var directory in Directory.Enumerate(filter, .Directories))
+		{
+			directory.GetFilePath(directoryNameBuffer..Clear());
+
+			AddDirectoryToTree(directoryNameBuffer, _assetHierarchy);
+		}
+		
+		RemoveOrphanedEntries(_assetHierarchy);
+
+		_fileSystemDirty = false;
+	}
+
+	private void FileContentChanged(StringView fileName)
+	{
+		var fileName;
+
+		// Config files aren't really tracked but changing them effectively changes the corresponding file
+		// so we fire the event for them.
+		if (fileName.EndsWith(AssetFile.ConfigFileExtension))
+			fileName.RemoveFromEnd(AssetFile.ConfigFileExtension.Length);
+
+		String fileNameWithContentRoot = scope .();
+		Path.InternalCombine(fileNameWithContentRoot, _contentDirectory, fileName);
+
+		var nodeResult = GetNodeFromPath(fileNameWithContentRoot);
+
+		TreeNode<AssetNode> node = null;
+
+		if (!(nodeResult case .Ok(out node)))
+		{
+			// This happens, when we create new files.
+			Log.EngineLogger.Trace($"Could not find node for file \"{fileNameWithContentRoot}\"");
+			return;
+		}
+
+		// Don't fire event for directories.
+		if (node->IsDirectory)
+			return;
+
+		OnFileContentChanged(node.Value);
+	}
+
+	private void FileRenamed(StringView oldFilePath, StringView newFilePath)
+	{
+		var oldFilePath;
+
+		// Ignore Config files.
+		if (oldFilePath.EndsWith(AssetFile.ConfigFileExtension))
+			return;
+
+
+		String oldFileNameWithContentRoot = scope .();
+		Path.InternalCombine(oldFileNameWithContentRoot, _contentDirectory, oldFilePath);
+		
+		String newFileNameWithContentRoot = scope .();
+		Path.InternalCombine(newFileNameWithContentRoot, _contentDirectory, newFilePath);
+		
+		// Rename config file
+		{
+			String oldConfigFileName = scope $"{oldFileNameWithContentRoot}{AssetFile.ConfigFileExtension}";
+			String newConfigFileName = scope $"{newFileNameWithContentRoot}{AssetFile.ConfigFileExtension}";
+
+			if (File.Exists(oldConfigFileName) && !File.Exists(newConfigFileName))
+			{
+				if (File.Move(oldConfigFileName, newConfigFileName) case .Err(let value))
+				{
+					Log.EngineLogger.Error($"Failed to move file {oldConfigFileName} to {newConfigFileName}. Code: {value}");
+				}
+			}
+		}
+
+		var nodeResult = GetNodeFromPath(oldFileNameWithContentRoot);
+
+		TreeNode<AssetNode> node = null;
+
+		if (!(nodeResult case .Ok(out node)))
+		{
+			// This happens, when we create new files.
+			Log.EngineLogger.Trace($"Could not find node for file \"{oldFileNameWithContentRoot}\"");
+			return;
+		}
+		
+		_pathToAssetNode.Remove(oldFileNameWithContentRoot);
+
+		node->Path.Set(newFileNameWithContentRoot);
+		_pathToAssetNode.Add(node->Path, node);
+		
+		node->Name.Clear();
+		Path.GetFileName(newFileNameWithContentRoot, node->Name);
+
+		String oldIdentifier = scope .(node->AssetFile.[Friend]_identifier);
+
+		node->AssetFile.[Friend]_path.Set(node->Path);
+
+		node->AssetFile.[Friend]_identifier.Set(newFilePath);
+		AssetIdentifier.Fixup(node->AssetFile.[Friend]_identifier);
+
+		node->AssetFile.[Friend]_assetConfigPath..Set(node->Path).Append(AssetFile.ConfigFileExtension);
+
+		OnFileRenamed(node.Value, oldIdentifier);
+	}
+
+	public delegate void FileContentChangedFunc(AssetNode node);
+
+	public Event<FileContentChangedFunc> OnFileContentChanged ~ _.Dispose();
+
+	public delegate void FileRenamedFunc(AssetNode node, StringView oldName);
+
+	public Event<FileRenamedFunc> OnFileRenamed ~ _.Dispose();
+}

GlitchyEditor/src/Assets/AssetPropertiesEditor.bf

@@ -0,0 +1,15 @@
+namespace GlitchyEditor.Assets;
+
+abstract class AssetPropertiesEditor
+{
+	private AssetFile _asset;
+
+	public AssetFile Asset => _asset;
+
+	public this(AssetFile asset)
+	{
+		_asset = asset;
+	}
+
+	public abstract void ShowEditor();
+}

GlitchyEditor/src/Assets/EffectAssetLoader.bf

@@ -0,0 +1,62 @@
+using Bon;
+using GlitchyEngine.Content;
+using System;
+using System.Collections;
+using System.IO;
+using GlitchyEngine;
+using GlitchyEngine.Renderer;
+
+namespace GlitchyEditor.Assets;
+
+class EffectAssetPropertiesEditor : AssetPropertiesEditor
+{
+	public this(AssetFile asset) : base(asset)
+	{
+
+	}
+
+	public override void ShowEditor()
+	{
+
+	}
+
+	public static AssetPropertiesEditor Factory(AssetFile assetFile)
+	{
+		return new Self(assetFile);
+	}
+}
+
+[BonTarget, BonPolyRegister]
+class EffectAssetLoaderConfig : AssetLoaderConfig
+{
+	
+}
+
+class EffectAssetLoader : IAssetLoader //, IReloadingAssetLoader
+{
+	private static readonly List<StringView> _fileExtensions = new .(){".hlsl"} ~ delete _;
+
+	public static List<StringView> FileExtensions => _fileExtensions;
+
+	public AssetLoaderConfig GetDefaultConfig()
+	{
+		return new EffectAssetLoaderConfig();
+	}
+
+	public Asset LoadAsset(Stream file, AssetLoaderConfig config, StringView assetIdentifier, StringView? subAsset, IContentManager contentManager)
+	{
+		Effect effect = new Effect(file, assetIdentifier, contentManager);
+
+		return effect;
+	}
+
+	public Asset GetPlaceholderAsset(Type assetType)
+	{
+		return default;
+	}
+
+	public Asset GetErrorAsset(Type assetType)
+	{
+		return default;
+	}
+}

GlitchyEditor/src/Assets/IAssetSaver.bf

@@ -0,0 +1,10 @@
+using GlitchyEngine.Content;
+using System;
+using System.IO;
+
+namespace GlitchyEditor.Assets;
+
+interface IAssetSaver
+{
+	Result<void> EditorSaveAsset(Stream file, Asset asset, AssetLoaderConfig config, StringView assetIdentifier, StringView? subAsset, IContentManager contentManager);
+}

GlitchyEditor/src/Assets/IReloadingAssetLoader.bf

@@ -0,0 +1,8 @@
+using System.IO;
+
+namespace GlitchyEditor.Assets;
+
+interface IReloadingAssetLoader
+{
+	public void ReloadAsset(AssetFile assetFile, Stream data);
+}

GlitchyEditor/src/Assets/MaterialAssetLoader.bf

@@ -0,0 +1,491 @@
+using Bon;
+using GlitchyEngine.Content;
+using System;
+using System.Collections;
+using System.IO;
+using GlitchyEngine;
+using GlitchyEngine.Renderer;
+using ImGui;
+using GlitchyEngine.Math;
+using System.Diagnostics;
+using Bon.Integrated;
+
+namespace GlitchyEditor.Assets;
+
+class MaterialAssetPropertiesEditor : AssetPropertiesEditor
+{
+	public static bool TryGetValue(Dictionary<String, Variant> parameters, String name, out Variant value)
+	{
+		if (parameters.TryGetValue(name, let param))
+		{
+			value = param;
+			return true;
+		}
+
+		value = ?;
+
+		return false;
+	}
+
+	mixin DropAssetTarget<T>() where T : Asset
+	{
+		AssetHandle handle = .Invalid;
+
+		if (ImGui.BeginDragDropTarget())
+		{
+			ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+			
+			if (payload != null)
+			{
+				StringView fullpath = .((char8*)payload.Data, (int)payload.DataSize);
+
+				handle = Content.LoadAsset(fullpath);
+			}
+
+			ImGui.EndDragDropTarget();
+		}
+
+		handle
+	}
+
+	public this(AssetFile asset) : base(asset)
+	{
+
+	}
+
+	public override void ShowEditor()
+	{
+		Material material = Asset.LoadedAsset as Material;
+
+		if (material == null)
+			return;
+		
+		Effect effect = material?.Effect;
+
+		if (effect == null)
+			return;
+
+		ShowTextures(material, effect);
+
+		ShowVariables(material, effect);
+	}
+
+	private void ShowTextures(Material material, Effect effect)
+	{
+		for (let texture in effect.Textures)
+		{
+			ImGui.Button(texture.key);
+
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					StringView path = .((char8*)payload.Data, (int)payload.DataSize);
+
+					AssetHandle<Texture2D> newTexture = Content.LoadAsset(path);
+
+					//newTexture.Get().SamplerState = SamplerStateManager.AnisotropicWrap;
+					material.SetTexture(texture.key, newTexture.Cast<Texture>());
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+		}
+	}
+
+	private void ShowVariables(Material material, Effect effect)
+	{
+		for (let (name, arguments) in effect.[Friend]_variableDescriptions)
+		{
+			let variable = effect.Variables[name];
+			
+			bool hasPreviewName = TryGetValue(arguments, "Preview", var previewName);
+
+			StringView displayName = hasPreviewName ? previewName.Get<String>() : name;
+			
+			bool hasPreviewType = TryGetValue(arguments, "Type", var previewType);
+
+			if (hasPreviewType && previewType.Get<String>() == "Color")
+			{
+				Log.EngineLogger.AssertDebug(variable.Type == .Float && variable.Rows == 1);
+
+				if (variable.Columns == 3)
+				{
+					material.GetVariable<Vector3>(variable.Name, var value);
+
+					value = (Vector3)ColorRGB.LinearToSRGB((ColorRGB)value);
+
+					if (ImGui.ColorEdit3(displayName.Ptr, *(float[3]*)&value))
+					{
+						value = (Vector3)ColorRGB.SRgbToLinear((ColorRGB)value);
+						material.SetVariable(variable.Name, value);
+					}
+				}
+				else if (variable.Columns == 4)
+				{
+					material.GetVariable<Vector4>(variable.Name, var value);
+					
+					value = (Vector4)ColorRGBA.LinearToSRGB((ColorRGBA)value);
+
+					if (ImGui.ColorEdit4(displayName.Ptr, *(float[4]*)&value))
+					{
+						value = (Vector4)ColorRGBA.SRgbToLinear((ColorRGBA)value);
+						material.SetVariable(variable.Name, value);
+					}
+				}
+			}
+			else if (variable.Type == .Float && variable.Rows == 1)
+			{
+				bool hasMin = TryGetValue(arguments, "Min", var min);
+				bool hasMax = TryGetValue(arguments, "Max", var max);
+
+				for (int r < variable.Rows)
+				{
+					switch (variable.Columns)
+					{
+					case 1:
+						material.GetVariable<float>(variable.Name, var value);
+						
+						float[1] minV = hasMin ? min.Get<float[1]>() : .(float.MinValue);
+						float[1] maxV = hasMax ? max.Get<float[1]>() : .(float.MaxValue);
+
+						if (ImGui.EditVector<1>(displayName, ref *(float[1]*)&value, .(), 0.1f, 100.0f, minV, maxV))
+							material.SetVariable(variable.Name, value);
+					case 2:
+						material.GetVariable<Vector2>(variable.Name, var value);
+						
+						Vector2 minV = hasMin ? min.Get<Vector2>() : .(float.MinValue);
+						Vector2 maxV = hasMax ? max.Get<Vector2>() : .(float.MaxValue);
+						
+						if (ImGui.EditVector2(displayName, ref value, .Zero, 0.1f, 100.0f, minV, maxV))
+							material.SetVariable(variable.Name, value);
+					case 3:
+						material.GetVariable<Vector3>(variable.Name, var value);
+						
+						Vector3 minV = hasMin ? min.Get<Vector3>() : .(float.MinValue);
+						Vector3 maxV = hasMax ? max.Get<Vector3>() : .(float.MaxValue);
+
+						if (ImGui.EditVector3(displayName, ref value, .Zero, 0.1f, 100.0f, minV, maxV))
+							material.SetVariable(variable.Name, value);
+					case 4:
+						material.GetVariable<Vector4>(variable.Name, var value);
+						
+						Vector4 minV = hasMin ? min.Get<Vector4>() : .(float.MinValue);
+						Vector4 maxV = hasMax ? max.Get<Vector4>() : .(float.MaxValue);
+
+						if (ImGui.EditVector4(displayName, ref value, .Zero, 0.1f, 100.0f, minV, maxV))
+							material.SetVariable(variable.Name, value);
+					}
+				}
+			}
+		}
+	}
+
+	public static AssetPropertiesEditor Factory(AssetFile assetFile)
+	{
+		return new Self(assetFile);
+	}
+}
+
+[BonTarget, BonPolyRegister]
+class MaterialAssetLoaderConfig : AssetLoaderConfig
+{
+	
+}
+
+[BonTarget]
+public enum VariableValue
+{
+	case Float(float Value);
+	case Float2(Vector2 Value);
+	case Float3(Vector3 Value);
+	case Float4(Vector4 Value);
+	case Int(int Value);
+	case Int2(Int2 Value);
+	case Int3(Int3 Value);
+	case Int4(Int4 Value);
+	case ColorRGB(ColorRGB Value);
+	case ColorRGBA(ColorRGBA Value);
+	case None;
+
+	/*static this()
+	{
+		gBonEnv.typeHandlers.Add(typeof(Self),
+			((.)new => VariableValueSerialize, (.)new => VariableValueDeserialize));
+	}
+
+	static void VariableValueSerialize(BonWriter writer, ValueView value, BonEnvironment env)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(Self));
+
+		let variableValue = value.Get<Self>();
+
+		writer.Type(variableValue)
+		using (writer.ObjectBlock())
+		{
+			Serialize.Value(writer, nameof(MaterialFile.Effect), materialFile.Effect, env);
+			Serialize.Value(writer, nameof(MaterialFile.Textures), materialFile.Textures, env);
+
+
+		}
+	}
+	
+	static Result<void> VariableValueDeserialize(BonReader reader, ValueView val, BonEnvironment env)
+	{
+		return .Ok;
+	}*/
+}
+
+[BonTarget]
+class MaterialFile
+{
+	public String Effect ~ delete _;
+
+	public Dictionary<String, String> Textures ~ DeleteDictionaryAndKeysAndValues!(_);
+	public Dictionary<String, VariableValue> Variables ~
+		{
+			if (_ != null)
+			{
+				for (var entry in _)
+				{
+					delete entry.key;
+					//delete entry.value;
+					/*if (entry.value.HasValue)
+						entry.value->Dispose();*/
+				}
+	
+				delete _;
+			}
+		};
+
+	/*static this()
+	{
+		gBonEnv.typeHandlers.Add(typeof(Self),
+			((.)new => MaterialSerialize, (.)new => MaterialDeserialize));
+	}
+
+	static void MaterialSerialize(BonWriter writer, ValueView value, BonEnvironment env)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(Self));
+
+		let materialFile = value.Get<Self>();
+
+		using (writer.ObjectBlock())
+		{
+			Serialize.Value(writer, nameof(MaterialFile.Effect), materialFile.Effect, env);
+			Serialize.Value(writer, nameof(MaterialFile.Textures), materialFile.Textures, env);
+
+
+		}
+	}
+
+	private static void SerializeVariablesDictionary(BonWriter writer, MaterialFile materialFile, BonEnvironment env)
+	{
+		using (writer.ArrayBlock())
+		{
+			for (let (name, value) in materialFile.Variables)
+			{
+				let keyVal = ValueView(typeof(String), name);
+				Serialize.Value(writer, keyVal, env);
+				writer.Pair();
+
+				ValueView valueVal;// = ValueView(, entriesPtr + (currentIndex * entryStride) + entryValueOffset);
+				switch(value.GetType())
+				{
+				case typeof(ColorRGBA):
+					writer.Identifier("ColorRGBA");
+				default:
+
+				}
+
+				Serialize.Value(writer, valueVal, env);
+			}
+		}
+	}
+
+	static Result<void> MaterialDeserialize(BonReader reader, ValueView val, BonEnvironment env)
+	{
+		return .Ok;
+	}*/
+}
+
+class MaterialAssetLoader : IAssetLoader, IAssetSaver //, IReloadingAssetLoader
+{
+	private static readonly List<StringView> _fileExtensions = new .(){".mat"} ~ delete _;
+
+	public static List<StringView> FileExtensions => _fileExtensions;
+
+	public AssetLoaderConfig GetDefaultConfig()
+	{
+		return new ModelAssetLoaderConfig();
+	}
+
+	public Asset LoadAsset(Stream file, AssetLoaderConfig config, StringView assetIdentifier, StringView? subAsset, IContentManager contentManager)
+	{
+		StreamReader reader = scope .(file);
+
+		String text = scope .();
+
+		reader.ReadToEnd(text);
+
+		MaterialFile materialFile = scope .();
+
+		var result = Bon.Deserialize<MaterialFile>(ref materialFile, text);
+		
+		if (result case .Err)
+		{
+			Log.EngineLogger.Error("Failed to load material.");
+			Debug.SafeBreak();
+			return null;
+		}
+
+		Effect fx = Content.GetAsset<Effect>(contentManager.LoadAsset(materialFile.Effect, true), contentManager);
+
+		Material material = new Material(fx);
+
+		for (let (slotName, textureIdentifier) in materialFile.Textures)
+		{
+			AssetHandle<Texture> texture = contentManager.LoadAsset(textureIdentifier);
+
+			if (texture.IsInvalid)
+			{
+				Log.EngineLogger.Error($"Failed to load texture \"{textureIdentifier}\".");
+			}
+
+			material.SetTexture(slotName, texture);
+		}
+
+		for (let (slotName, variableValue) in materialFile.Variables)
+		{
+			switch (variableValue)
+			{
+			case .ColorRGBA(let value):
+				material.SetVariable(slotName, value);
+			case .ColorRGB(let value):
+				material.SetVariable(slotName, value);
+			case .Float(let value):
+				material.SetVariable(slotName, value);
+			case .Float2(let value):
+				material.SetVariable(slotName, value);
+			case .Float3(let value):
+				material.SetVariable(slotName, value);
+			case .Float4(let value):
+				material.SetVariable(slotName, value);
+			case .None:
+			default:
+				Log.EngineLogger.Error($"Unknown variable type of variable {slotName}: {variableValue}");
+			}
+
+			
+		}
+
+		return material;
+	}
+
+	public Result<void> EditorSaveAsset(Stream file, Asset asset, AssetLoaderConfig config, StringView assetIdentifier, StringView? subAsset, IContentManager contentManager)
+	{
+		Material material = asset as Material;
+
+		if (material == null)
+		{
+			Log.EngineLogger.Error("Asset must be a Material!");
+			return .Err;
+		}
+
+		MaterialFile materialFile = scope .();
+
+		materialFile.Effect = new String(material.Effect.Identifier);
+		materialFile.Textures = new .();
+		materialFile.Variables = new .();
+
+		for (let (slotName, texture) in material.[Friend]_textures)
+		{
+			Texture textureAsset = texture.Get();
+
+			materialFile.Textures.Add(new String(slotName), new String(textureAsset?.Identifier ?? ""));
+		}
+
+		Effect effect = material.Effect;
+
+		if (effect == null)
+			return .Ok;
+
+		for (let (name, arguments) in effect.[Friend]_variableDescriptions)
+		{
+			VariableValue variableValue = .None;
+
+			let variable = effect.Variables[name];
+			
+			bool hasPreviewType = MaterialAssetPropertiesEditor.TryGetValue(arguments, "Type", var previewType);
+
+			if (hasPreviewType && previewType.Get<String>() == "Color")
+			{
+				Log.EngineLogger.AssertDebug(variable.Type == .Float && variable.Rows == 1);
+
+				if (variable.Columns == 3)
+				{
+					material.GetVariable<ColorRGB>(variable.Name, var value);
+
+					value = ColorRGB.LinearToSRGB((ColorRGB)value);
+
+					//variantValue = new box value;
+					variableValue = .ColorRGB(value);
+				}
+				else if (variable.Columns == 4)
+				{
+					material.GetVariable<ColorRGBA>(variable.Name, var value);
+					
+					value = ColorRGBA.LinearToSRGB((ColorRGBA)value);
+					
+					variableValue = .ColorRGBA(value);
+				}
+			}
+			else if (variable.Type == .Float && variable.Rows == 1)
+			{
+				switch (variable.Columns)
+				{
+				case 1:
+					material.GetVariable<float>(variable.Name, let value);
+					variableValue = .Float(value);
+				case 2:
+					material.GetVariable<Vector2>(variable.Name, let value);
+					variableValue = .Float2(value);
+				case 3:
+					material.GetVariable<Vector3>(variable.Name, let value);
+					variableValue = .Float3(value);
+				case 4:
+					material.GetVariable<Vector4>(variable.Name, let value);
+					variableValue = .Float4(value);
+				}
+			}
+
+			materialFile.Variables.Add(new String(name), variableValue);
+		}
+
+		String text = scope .();
+		
+		gBonEnv.serializeFlags |= .IncludeDefault | .Verbose;
+
+		Bon.Serialize<MaterialFile>(materialFile, text);
+
+		StreamWriter writer = scope .(file, .UTF8, 1024);
+		writer.Write(text);
+
+		return .Ok;
+	}
+
+	Material _placeholder;
+	Material _error;
+
+	public Asset GetPlaceholderAsset(Type assetType)
+	{
+		return default;
+	}
+
+	public Asset GetErrorAsset(Type assetType)
+	{
+		return default;
+	}
+}

GlitchyEditor/src/Assets/ModelAssetLoader.bf

@@ -0,0 +1,61 @@
+using Bon;
+using GlitchyEngine.Content;
+using System;
+using System.Collections;
+using System.IO;
+using GlitchyEngine;
+
+namespace GlitchyEditor.Assets;
+
+class ModelAssetPropertiesEditor : AssetPropertiesEditor
+{
+	public this(AssetFile asset) : base(asset)
+	{
+
+	}
+
+	public override void ShowEditor()
+	{
+
+	}
+
+	public static AssetPropertiesEditor Factory(AssetFile assetFile)
+	{
+		return new ModelAssetPropertiesEditor(assetFile);
+	}
+}
+
+[BonTarget, BonPolyRegister]
+class ModelAssetLoaderConfig : AssetLoaderConfig
+{
+	
+}
+
+class ModelAssetLoader : IAssetLoader //, IReloadingAssetLoader
+{
+	private static readonly List<StringView> _fileExtensions = new .(){".gltf", ".glb"} ~ delete _;
+
+	public static List<StringView> FileExtensions => _fileExtensions;
+
+	public AssetLoaderConfig GetDefaultConfig()
+	{
+		return new ModelAssetLoaderConfig();
+	}
+
+	public Asset LoadAsset(Stream file, AssetLoaderConfig config, StringView assetIdentifier, StringView? subAsset, IContentManager contentManager)
+	{
+		//Log.EngineLogger.Assert(subAsset != null);
+
+		return ModelLoader.LoadMesh(file, subAsset ?? assetIdentifier, 0);
+	}
+
+	public Asset GetPlaceholderAsset(Type assetType)
+	{
+		return default;
+	}
+
+	public Asset GetErrorAsset(Type assetType)
+	{
+		return default;
+	}
+}

GlitchyEditor/src/Assets/SerializeExtension.bf

@@ -0,0 +1,6 @@
+using System;
+namespace Bon.Integrated;
+
+extension Serialize
+{
+}

GlitchyEditor/src/Assets/TextureAssetLoader.bf

@@ -0,0 +1,371 @@
+using System;
+using System.Collections;
+using Bon;
+using System.IO;
+using GlitchyEngine;
+using GlitchyEngine.Content;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Math;
+using DirectXTK;
+using ImGui;
+
+namespace GlitchyEditor.Assets;
+
+class TextureAssetPropertiesEditor : AssetPropertiesEditor
+{
+	EditorTextureAssetLoaderConfig _textureConfig;
+
+	public this(AssetFile asset) : base(asset)
+	{
+		_textureConfig = asset.AssetConfig.Config as EditorTextureAssetLoaderConfig;
+	}
+
+	static char8*[3] _filterFuncNames = char8*[]("Point", "Linear", "Anisotropic");
+
+	public override void ShowEditor()
+	{
+		if (_textureConfig == null)
+			return;
+
+		bool generateMips = _textureConfig.GenerateMipMaps;
+		if (ImGui.Checkbox("Generate Mip Maps", &generateMips))
+			_textureConfig.GenerateMipMaps = generateMips;
+
+		bool isSrgb = _textureConfig.IsSRGB;
+		if (ImGui.Checkbox("Is sRGB", &isSrgb))
+			_textureConfig.IsSRGB = isSrgb;
+
+		SamplerStateDescription samplerStateDescription = _textureConfig.SamplerStateDescription;
+
+		void ShowFilterCombo(String label, ref FilterFunction filterFunction)
+		{
+			int32 selectedFilter = filterFunction.Underlying;
+			if (ImGui.Combo(label, &selectedFilter, &_filterFuncNames, 3))
+				filterFunction = (.)selectedFilter;
+		}
+
+		ImGui.Separator();
+		ImGui.TextUnformatted("Texture Filtering:");
+		ImGui.Separator();
+		
+		ImGui.EnumCombo("Min Filter", ref samplerStateDescription.MinFilter);
+		ImGui.AttachTooltip("""
+			Sampling method used for minification.
+			If set to "Anisotropic" all Filters are set to "Anisotropic" internally.
+			""");
+		ImGui.EnumCombo("Mag Filter", ref samplerStateDescription.MagFilter);
+		ImGui.AttachTooltip("""
+			Sampling method used for magnification.
+			If set to "Anisotropic" all Filters are set to "Anisotropic" internally.
+			""");
+		ImGui.EnumCombo("Mip Map Filter", ref samplerStateDescription.MipFilter);
+		ImGui.AttachTooltip("""
+			Method used for mip-level sampling.
+			If set to "Anisotropic" all Filters are set to "Anisotropic" internally.
+			""");
+
+		if (samplerStateDescription.MagFilter == .Anisotropic ||
+			samplerStateDescription.MinFilter == .Anisotropic ||
+			samplerStateDescription.MipFilter == .Anisotropic)
+		{
+			ImGui.SliderScalar("Anisotropy Level", ref samplerStateDescription.MaxAnisotropy, 1, 16);
+		}
+
+		ImGui.NewLine();
+
+		ImGui.EnumCombo("Filter Mode", ref samplerStateDescription.FilterMode);
+		ImGui.AttachTooltip("Filtering method to use when sampling a texture.");
+
+		if (samplerStateDescription.FilterMode == .Comparison)
+		{
+			ImGui.EnumCombo("Comparison Function", ref samplerStateDescription.ComparisonFunction);
+			ImGui.AttachTooltip("""
+				The function that is used to compare the sampled data against the existing sampled data.
+				Only applies if Filter Mode is set to FilterMode.Comparison.
+				""");
+		}
+
+		ImGui.Separator();
+		ImGui.TextUnformatted("Wrapping");
+		ImGui.Separator();
+		
+		ImGui.EnumCombo("Wrap Mode U", ref samplerStateDescription.AddressModeU);
+		ImGui.AttachTooltip("Method to use for resolving a u texture coordinate that is outside the 0 to 1 range.");
+
+		ImGui.EnumCombo("Wrap Mode V", ref samplerStateDescription.AddressModeV);
+		ImGui.AttachTooltip("Method to use for resolving a v texture coordinate that is outside the 0 to 1 range.");
+
+		ImGui.EnumCombo("Wrap Mode W", ref samplerStateDescription.AddressModeW);
+		ImGui.AttachTooltip("Method to use for resolving a w texture coordinate that is outside the 0 to 1 range.");
+
+		if (samplerStateDescription.AddressModeU == .Border ||
+			samplerStateDescription.AddressModeV == .Border ||
+			samplerStateDescription.AddressModeW == .Border)
+		{
+			ImGui.ColorEdit4("Border Color", ref samplerStateDescription.BorderColor);
+		}
+		
+		ImGui.Separator();
+		ImGui.TextUnformatted("Mip Maps");
+		ImGui.Separator();
+		
+		ImGui.DragFloat("Mip LOD Bias", &samplerStateDescription.MipLODBias, 0.1f);
+		ImGui.AttachTooltip("""
+			Offset from the calculated mipmap level.
+			For example, if the GPU calculates that a texture should be sampled at mipmap level 3 and "Mip LOD Bias" is 2, then the texture will be sampled at mipmap level 5.
+			""");
+		
+		ImGui.DragFloat("Min Mip LOD", &samplerStateDescription.MipMinLOD);
+		ImGui.AttachTooltip("Lower end of the mipmap range to clamp access to, where 0 is the largest and most detailed mipmap level and any level higher than that is less detailed.");
+		
+		ImGui.DragFloat("Max LOD Bias", &samplerStateDescription.MipMaxLOD);
+		ImGui.AttachTooltip("""
+			Upper end of the mipmap range to clamp access to, where 0 is the largest and most detailed mipmap level and any level higher than that is less detailed.
+			This value must be greater than or equal to "Min Mip LOD". To have no upper limit on LOD set this to a large value.
+			""");
+
+		_textureConfig.SamplerStateDescription = samplerStateDescription;
+	}
+
+	public static AssetPropertiesEditor Factory(AssetFile assetFile)
+	{
+		return new TextureAssetPropertiesEditor(assetFile);
+	}
+}
+
+[BonTarget, BonPolyRegister]
+class EditorTextureAssetLoaderConfig : AssetLoaderConfig
+{
+	[BonInclude]
+	private bool _generateMipMaps;
+	
+	[BonInclude]
+	private bool _isSrgb;
+
+	[BonInclude]
+	private SamplerStateDescription _samplerStateDescription = .();
+
+	public bool GenerateMipMaps
+	{
+		get => _generateMipMaps;
+		set => SetIfChanged(ref _generateMipMaps, value);
+	}
+	
+	public bool IsSRGB
+	{
+		get => _isSrgb;
+		set => SetIfChanged(ref _isSrgb, value);
+	}
+
+	public SamplerStateDescription SamplerStateDescription
+	{
+		get => _samplerStateDescription;
+		set => SetIfChanged(ref _samplerStateDescription, value);
+	}
+}
+
+class EditorTextureAssetLoader : IAssetLoader//, IReloadingAssetLoader
+{
+	private static readonly List<StringView> _fileExtensions = new .(){".png", ".dds"} ~ delete _; // ".jpg", ".bmp"
+
+	public static List<StringView> FileExtensions => _fileExtensions;
+
+	public AssetLoaderConfig GetDefaultConfig()
+	{
+		return new EditorTextureAssetLoaderConfig();
+	}
+
+	public Asset LoadAsset(Stream data, AssetLoaderConfig config, StringView assetIdentifier, StringView? subAsset, IContentManager contentManager)
+	{
+		var config;
+
+		if (config == null)
+		{
+			config = GetDefaultConfig();
+			defer:: delete config;
+		}
+
+		Log.EngineLogger.AssertDebug(config is EditorTextureAssetLoaderConfig, "config has wrong type.");
+
+		return LoadTexture(data, (EditorTextureAssetLoaderConfig)config);
+	}
+	
+	const String PngMagicWord = "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A";
+	const String DdsMagicWord = "DDS ";
+
+	enum TextureType
+	{
+		Unknown,
+		DDS,
+		PNG
+	}
+
+	private static TextureType GetTextureType(Stream data)
+	{
+		int64 position = data.Position;
+		
+		var readResult = data.Read<char8[8]>();
+
+		data.Position = position;
+		
+		char8[8] magicWord;
+		if (readResult case .Ok(out magicWord))
+		{
+			StringView strView = .(&magicWord, magicWord.Count);
+
+			if (strView.StartsWith(PngMagicWord))
+			{
+				return .PNG;
+			}
+			else if (strView.StartsWith(DdsMagicWord))
+			{
+				return .DDS;
+			}
+			else
+			{
+				Runtime.FatalError("Unknown image format.");
+			}
+		}
+
+		return .Unknown;
+	}
+
+	private static Texture LoadTexture(Stream data, EditorTextureAssetLoaderConfig config)
+	{
+		Debug.Profiler.ProfileResourceFunction!();
+		
+		Texture texture = null;
+
+		switch(GetTextureType(data))
+		{
+		case .DDS:
+			texture = LoadDds(data, config);
+		case .PNG:
+			texture = LoadPng(data, config);
+		case .Unknown:
+			Log.EngineLogger.Error("Unknown texture format.");
+			texture = null;
+		}
+
+		if (texture != null)
+		{
+			SetSampler(texture, config);
+			texture.[Friend]Complete = true;
+		}
+
+		return texture;
+	}
+
+	private static Texture2D LoadPng(Stream data, EditorTextureAssetLoaderConfig config)
+	{
+		Debug.Profiler.ProfileResourceFunction!();
+
+		uint8[] pngData = new:ScopedAlloc! uint8[data.Length];
+
+		var result = data.TryRead(pngData);
+
+		if (result case .Err(let err))
+		{
+			Log.EngineLogger.Error($"Failed to read data from stream. Texture: Error: {err}");
+			return null;
+		}
+
+		uint8* rawData = null;
+		defer
+		{
+			if (rawData != null)
+				LodePng.LodePng.Free(rawData);
+		}
+
+		uint32 width = 0, height = 0;
+
+		{
+			Debug.Profiler.ProfileResourceScope!("LodePng.LodePng.Decode32");
+			uint32 errorCode = LodePng.LodePng.Decode32(&rawData, &width, &height, pngData.Ptr, (.)pngData.Count);
+			if (errorCode != 0)
+			{
+				Log.EngineLogger.Error($"Failed to decode PNG file {errorCode}.");
+				return null;
+			}
+		}
+
+		Texture2DDesc desc = .(width, height, config.IsSRGB ? .R8G8B8A8_UNorm_SRGB : .R8G8B8A8_UNorm, 1, 1, .Immutable);
+		Texture2D texture = new Texture2D(desc);
+		texture.SetData<Color>((.)rawData);
+
+		// TODO: Generate mip maps
+
+		return texture;
+	}
+
+	private static Texture LoadDds(Stream data, EditorTextureAssetLoaderConfig config)
+	{
+		// TODO: Move the loading of Dds files here.
+		Texture2D texture = new [Friend]Texture2D(data);
+
+		return texture;
+	}
+	
+	private static void SetSampler(Texture texture, EditorTextureAssetLoaderConfig config)
+	{
+		using (SamplerState samplerState = SamplerStateManager.GetSampler(config.SamplerStateDescription))
+		{
+			texture.SamplerState = samplerState;
+		}
+	}
+
+	private static Texture2D _placeholder2D;
+	private static Texture2D _error2D;
+
+	public Asset GetPlaceholderAsset(Type assetType)
+	{
+		switch (assetType)
+		{
+		case typeof(Texture2D):
+			fallthrough;
+		default:
+			if (_placeholder2D == null)
+			{
+				Texture2DDesc desc = .(1, 1, .R8G8B8A8_UNorm, 1, 1, .Immutable, .None);
+
+				_placeholder2D = new Texture2D(desc);
+				_placeholder2D.SamplerState = SamplerStateManager.PointWrap;
+				Color color = Color.Cyan;
+				_placeholder2D.SetData<Color>(&color);
+
+				Content.ManageAsset(_placeholder2D);
+				_placeholder2D.ReleaseRef();
+
+				_placeholder2D.[Friend]Complete = false;
+			}
+
+			return _placeholder2D;
+		}
+	}
+
+	public Asset GetErrorAsset(Type assetType)
+	{
+		switch (assetType)
+		{
+		case typeof(Texture2D):
+			fallthrough;
+		default:
+			if (_error2D == null)
+			{
+				Texture2DDesc desc = .(2, 2, .R8G8B8A8_UNorm, 1, 1, .Immutable, .None);
+
+				_error2D = new Texture2D(desc);
+				_error2D.SamplerState = SamplerStateManager.PointWrap;
+				Color[4] color = .(Color.HotPink, Color.Black, Color.Black, Color.HotPink);
+				_error2D.SetData<Color>(&color);
+
+				Content.ManageAsset(_error2D);
+				_error2D.ReleaseRef();
+
+				_placeholder2D.[Friend]Complete = true;
+			}
+
+			return _error2D;
+		}
+	}
+}

GlitchyEditor/src/EditWindows/ComponentEditWindow.bf

@@ -2,75 +2,138 @@ using ImGui;
 using GlitchyEngine.World;
 using System;
 using GlitchyEngine.Math;
+using System.Collections;
+using GlitchyEngine.Renderer;
+using GlitchyEngine;
+using GlitchyEngine.Content;
 
 namespace GlitchyEditor.EditWindows
 {
-	class ComponentEditWindow
+	using internal GlitchyEngine.World.TransformComponent;
+
+	class ComponentEditWindow : EditorWindow
 	{
 		public const String s_WindowTitle = "Components";
 
-		private Editor _editor;
+		private EntityHierarchyWindow _entityHierarchyWindow;
 
-		private bool _open = true;
+		private List<(Type, ComponentAttribute attribute)> _componentTypes = new .() ~ delete _;
 
-		public Editor Editor => _editor;
-		
-		public bool Open
+		public this(EntityHierarchyWindow entityHierarchyWindow)
 		{
-			get => _open;
-			set => _open = value;
+			_entityHierarchyWindow = entityHierarchyWindow;
+
+			for (let type in Type.Types)
+			{
+				if (let componentAttribute = type.GetCustomAttribute<ComponentAttribute>())
+				{
+					_componentTypes.Add((type, componentAttribute));
+				}
+			}
 		}
 
-		public this(Editor editor)
+		protected override void InternalShow()
 		{
-			_editor = editor;
-		}
-
-		public void Show()
-		{
-			if(!_open)
-				return;
+			ImGui.PushStyleVar(.WindowMinSize, ImGui.Vec2(1000, 100));
 
 			if(!ImGui.Begin(s_WindowTitle, &_open, .None))
 			{
+				ImGui.PopStyleVar();
 				ImGui.End();
 				return;
 			}
 			
-			if(_editor.SelectedEntities.Count == 1)
+			if(_entityHierarchyWindow.SelectedEntities.Count == 1)
 			{
-				Entity entity = _editor.SelectedEntities.Front;
+				Entity entity = _entityHierarchyWindow.SelectedEntities.Front;
 
 				ShowComponents(entity);
 			}
 			
+			ImGui.PopStyleVar();
 			ImGui.End();
 		}
 
 		private void ShowComponents(Entity entity)
 		{
-			NameComponentEditor.Show(_editor.World, entity);
-			TransformComponentEditor.Show(_editor.World, entity);		
+			ShowNameComponentEditor(entity);
+
+			ShowComponentEditor<TransformComponent>("Transform", entity, => ShowTransformComponentEditor);
+			ShowComponentEditor<CameraComponent>("Camera", entity, => ShowCameraComponentEditor, => ShowComponentContextMenu<CameraComponent>);
+			ShowComponentEditor<SpriteRendererComponent>("Sprite Renderer", entity, => ShowSpriteRendererComponentEditor, => ShowComponentContextMenu<SpriteRendererComponent>);
+			ShowComponentEditor<CircleRendererComponent>("Circle Renderer", entity, => ShowCircleRendererComponentEditor, => ShowComponentContextMenu<CircleRendererComponent>);
+			ShowComponentEditor<MeshRendererComponent>("Mesh Renderer", entity, => ShowMeshRendererComponentEditor, => ShowComponentContextMenu<MeshRendererComponent>);
+			ShowComponentEditor<LightComponent>("Light", entity, => ShowLightComponentEditor, => ShowComponentContextMenu<LightComponent>);
+			ShowComponentEditor<MeshComponent>("Mesh", entity, => ShowMeshComponentEditor, => ShowComponentContextMenu<MeshComponent>);
+			ShowComponentEditor<Rigidbody2DComponent>("Rigidbody 2D", entity, => ShowRigidBody2DComponentEditor, => ShowComponentContextMenu<Rigidbody2DComponent>);
+			ShowComponentEditor<BoxCollider2DComponent>("Box collider 2D", entity, => ShowBoxCollider2DComponentEditor, => ShowComponentContextMenu<BoxCollider2DComponent>);
+			ShowComponentEditor<CircleCollider2DComponent>("Circle collider 2D", entity, => ShowCircleCollider2DComponentEditor, => ShowComponentContextMenu<CircleCollider2DComponent>);
+
+			ShowAddComponentButton(entity);
 		}
-	}
 
-	static class NameComponentEditor
-	{
-		public static void Show(EcsWorld world, Entity entity)
+		private static void ShowComponentContextMenu<TComponent>(Entity entity, TComponent* component) where TComponent: struct, new
 		{
-			char8[128] nameBuffer = default;
+			if (ImGui.Selectable("Remove Component"))
+				entity.RemoveComponent<TComponent>();
+		}
 
-			DebugNameComponent* component = world.GetComponent<DebugNameComponent>(entity);
+		private static void ShowComponentEditor<TComponent>(String header, Entity entity, function void(Entity, TComponent*) showComponentEditor, function void(Entity, TComponent*) showComponentContextMenu = null) where TComponent: struct, new
+		{
+			if (!entity.HasComponent<TComponent>())
+				return;
 
-			String name = null;
+			TComponent* component = entity.GetComponent<TComponent>();
+
+			ImGui.PushID(header);
+
+			bool nodeOpen = ImGui.TreeNodeEx(header.CStr(), .DefaultOpen | .AllowItemOverlap | .Framed | .SpanFullWidth);
+
+			if (showComponentContextMenu != null)
+			{
+				ImGui.SameLine(ImGui.GetWindowContentRegionMax().x - ImGui.CalcTextSize("...").x - 2 * ImGui.GetStyle().FramePadding.x);
+
+				if (ImGui.SmallButton("..."))
+				{
+					ImGui.OpenPopup("component_popup");
+				}
+
+				if (ImGui.BeginPopup("component_popup"))
+				{
+					showComponentContextMenu(entity, component);
+					
+					ImGui.EndPopup();
+				}
+			}
+
+			if (nodeOpen)
+			{
+				showComponentEditor(entity, component);
+
+				ImGui.TreePop();
+			}
+
+			ImGui.PopID();
+		}
+
+		private static void ShowNameComponentEditor(Entity entity)
+		{
+			if (!entity.HasComponent<NameComponent>())
+				return;
+
+			char8[256] nameBuffer = default;
+
+			NameComponent* component = entity.GetComponent<NameComponent>();
+
+			StringView name = null;
 
 			if(component != null)
 			{
-				name = component.DebugName;
+				name = component.Name;
 			}
 			else
 			{
-				name = scope:: $"Entity {entity.[Friend]Index}";
+				name = scope:: $"Entity {entity.Handle.[Friend]Index}";
 			}
 
 			// Copy name to buffer
@@ -80,78 +143,452 @@ namespace GlitchyEditor.EditWindows
 			{
 				if(component == null)
 				{
-					component = world.AssignComponent<DebugNameComponent>(entity);
+					component = entity.AddComponent<NameComponent>();
 				}
 
-				component.DebugName.Clear();
-				component.DebugName.Append(&nameBuffer);
+				component.Name = StringView(&nameBuffer);
 			}
 		}
-	}
 
-	static class TransformComponentEditor
-	{
-		public static void Show(EcsWorld world, Entity entity)
+		private static void ShowTransformComponentEditor(Entity entity, TransformComponent* transform)
 		{
-			TransformComponent* component = world.GetComponent<TransformComponent>(entity);
+			float textWidth = ImGui.CalcTextSize("Position".CStr()).x;
+			textWidth = Math.Max(textWidth, ImGui.CalcTextSize("Rotation".CStr()).x);
+			textWidth = Math.Max(textWidth, ImGui.CalcTextSize("Scale".CStr()).x);
 
-			if(component == null)
-				return;
+			textWidth += ImGui.GetStyle().FramePadding.x * 3.0f;
 
-			if(ImGui.TreeNodeEx("Transform", .DefaultOpen))
+			Vector3 position = transform.Position;
+			if (ImGui.EditVector3("Position", ref position, .Zero, 0.1f, textWidth))
+				transform.Position = position;
+
+			Vector3 rotationEuler = MathHelper.ToDegrees(transform.EditorRotationEuler);
+			if (ImGui.EditVector3("Rotation", ref rotationEuler, .Zero, 0.1f, textWidth))
+				transform.EditorRotationEuler = MathHelper.ToRadians(rotationEuler);
+			
+			Vector3 scale = transform.Scale;
+			if (ImGui.EditVector3("Scale", ref scale, .One, 0.1f, textWidth))
+				transform.Scale = scale;
+		}
+		
+		static String[] strings = new String[]("Orthographic", "Perspective", "Perspective (Infinite)") ~ delete _;
+
+		private static void ShowCameraComponentEditor(Entity entity, CameraComponent* cameraComponent)
+		{
+			ImGui.Checkbox("Primary", &cameraComponent.Primary);
+
+			var camera = ref cameraComponent.Camera;
+
+			String typeName = strings[camera.ProjectionType.Underlying];
+
+			if (ImGui.BeginCombo("Projection", typeName.CStr()))
 			{
-				Vector3 position = component.Position;
-				bool positionChanged = false;
-				
-				Vector3 rotationEuler = MathHelper.ToDegrees(component.RotationEuler);
-				bool rotationChanged = false;
-				
-				Vector3 scale = component.Scale;
-				bool scaleChanged = false;
-
-				void ShowValue(String text, ref float value, ref bool valueChanged, String id)
+				for (int i = 0; i < 3; i++)
 				{
-					ImGui.Text(text);
-					ImGui.SameLine();
-					ImGui.PushID(id);
-					valueChanged |= ImGui.DragFloat(String.Empty, &value, 0.1f);
-					ImGui.PopID();
+					bool isSelected = (typeName == strings[i]);
+
+					if (ImGui.Selectable(strings[i], isSelected))
+					{
+						camera.ProjectionType = (.)i;
+					}
+
+					if (isSelected)
+						ImGui.SetItemDefaultFocus();
 				}
 
-				void ShowTableRow(String name, ref Vector3 value, ref bool valueChanged)
-				{
-					ImGui.TableNextColumn();
-
-					ImGui.Text(name);
-					ImGui.TableNextColumn();
-					ShowValue("X: ", ref value.X, ref valueChanged, scope $"{name}X");
-					ImGui.TableNextColumn();
-					ShowValue("Y: ", ref value.Y, ref valueChanged, scope $"{name}Y");
-					ImGui.TableNextColumn();
-					ShowValue("Z: ", ref value.Z, ref valueChanged, scope $"{name}Z");
-					
-					ImGui.TableNextRow();
-				}
-				
-				ImGui.BeginTable("posRotScaleTable", 4);
-
-				ShowTableRow("Position", ref position, ref positionChanged);
-				ShowTableRow("Rotation", ref rotationEuler, ref rotationChanged);
-				ShowTableRow("Scale", ref scale, ref scaleChanged);
-
-				ImGui.EndTable();
-
-				if(positionChanged)
-					component.Position = position;
-
-				if(rotationChanged)
-					component.RotationEuler = MathHelper.ToRadians(rotationEuler);
-
-				if(scaleChanged)
-					component.Scale = scale;
-
-				ImGui.TreePop();
+				ImGui.EndCombo();
 			}
+
+			if (camera.ProjectionType == .Perspective)
+			{
+				float fovY = MathHelper.ToDegrees(camera.PerspectiveFovY);
+				if (ImGui.DragFloat("Fov Y", &fovY, 0.1f))
+					camera.PerspectiveFovY = MathHelper.ToRadians(fovY);
+				
+				float near = camera.PerspectiveNearPlane;
+				if (ImGui.DragFloat("Near", &near, 0.1f))
+					camera.PerspectiveNearPlane = near;
+
+				float far = camera.PerspectiveFarPlane;
+				if (ImGui.DragFloat("Far", &far, 0.1f))
+					camera.PerspectiveFarPlane = far;
+			}
+			else if (camera.ProjectionType == .InfinitePerspective)
+			{
+				float fovY = MathHelper.ToDegrees(camera.PerspectiveFovY);
+				if (ImGui.DragFloat("Vertical FOV", &fovY, 0.1f))
+					camera.PerspectiveFovY = MathHelper.ToRadians(fovY);
+				
+				float near = camera.PerspectiveNearPlane;
+				if (ImGui.DragFloat("Near", &near, 0.1f))
+					camera.PerspectiveNearPlane = near;
+			}
+			else if (camera.ProjectionType == .Orthographic)
+			{
+				float size = camera.OrthographicHeight;
+				if (ImGui.DragFloat("Size", &size, 0.1f))
+					camera.OrthographicHeight = size;
+				
+				float near = camera.OrthographicNearPlane;
+				if (ImGui.DragFloat("Near", &near, 0.1f))
+					camera.OrthographicNearPlane = near;
+
+				float far = camera.OrthographicFarPlane;
+				if (ImGui.DragFloat("Far", &far, 0.1f))
+					camera.OrthographicFarPlane = far;
+			}
+
+			bool fixedAspectRatio = camera.FixedAspectRatio;
+			if (ImGui.Checkbox("Fixed Aspect Ratio", &fixedAspectRatio))
+				camera.FixedAspectRatio = fixedAspectRatio;
+
+			if (fixedAspectRatio)
+			{
+				float aspect = camera.AspectRatio;
+				if (ImGui.DragFloat("Aspect Ratio", &aspect, 0.1f))
+					camera.AspectRatio = aspect;
+			}
+		}
+
+		private static void ShowSpriteRendererComponentEditor(Entity entity, SpriteRendererComponent* spriteRendererComponent)
+		{
+			ColorRGBA spriteColor = ColorRGBA.LinearToSRGB(spriteRendererComponent.Color);
+			if (ImGui.ColorEdit4("Color", ref spriteColor))
+				spriteRendererComponent.Color = ColorRGBA.SRgbToLinear(spriteColor);
+
+			ImGui.Button("Texture");
+
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					Log.EngineLogger.Warning("");
+
+					StringView path = .((char8*)payload.Data, (int)payload.DataSize);
+
+					spriteRendererComponent.Sprite = Content.LoadAsset(path);
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+
+
+			ImGui.EditVector<4>("UV Transform", ref *(float[4]*)&spriteRendererComponent.UvTransform);
+		}
+
+		private static void ShowCircleRendererComponentEditor(Entity entity, CircleRendererComponent* circleRendererComponent)
+		{
+			ColorRGBA spriteColor = ColorRGBA.LinearToSRGB(circleRendererComponent.Color);
+			if (ImGui.ColorEdit4("Color", ref spriteColor))
+				circleRendererComponent.Color = ColorRGBA.SRgbToLinear(spriteColor);
+
+			ImGui.Button("Texture");
+
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					Log.EngineLogger.Warning("");
+
+					StringView path = .((char8*)payload.Data, (int)payload.DataSize);
+
+					circleRendererComponent.Sprite = Content.LoadAsset(path);
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+
+
+			ImGui.EditVector<4>("UV Transform", ref *(float[4]*)&circleRendererComponent.UvTransform);
+
+			ImGui.DragFloat("Inner Radius", &circleRendererComponent.InnerRadius, 0.1f, 0.0f, 1.0f);
+		}
+
+		private static void ShowMeshRendererComponentEditor(Entity entity, MeshRendererComponent* meshRendererComponent)
+		{
+			ImGui.TextUnformatted("Material:");
+			ImGui.SameLine();
+			
+			Material material = meshRendererComponent.Material;
+
+			StringView identifier = material?.Identifier ?? "None";
+			ImGui.Button(identifier.ToScopeCStr!());
+
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					StringView fullpath = .((char8*)payload.Data, (int)payload.DataSize);
+
+					meshRendererComponent.Material = Content.LoadAsset(fullpath);
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+
+			/*Effect effect = material?.Effect;
+
+			if (effect == null)
+				return;*/
+
+			// Show a preview of the material here!
+		}
+		
+		private static void ShowRigidBody2DComponentEditor(Entity entity, Rigidbody2DComponent* rigidBodyComponent)
+		{
+			const String[?] bodyTypeStrings = .("Static", "Dynamic", "Kinematic");
+			String bodyTypeName = bodyTypeStrings[rigidBodyComponent.BodyType.Underlying];
+
+			if (ImGui.BeginCombo("Type", bodyTypeName.CStr()))
+			{
+				for (int i = 0; i < 3; i++)
+				{
+					bool isSelected = (bodyTypeName == bodyTypeStrings[i]);
+
+					if (ImGui.Selectable(bodyTypeStrings[i], isSelected))
+					{
+						rigidBodyComponent.BodyType = (.)i;
+					}
+
+					if (isSelected)
+						ImGui.SetItemDefaultFocus();
+				}
+
+				ImGui.EndCombo();
+			}
+
+
+			ImGui.Checkbox("Fixed Rotation", &rigidBodyComponent.FixedRotation);
+		}
+
+		private static void ShowBoxCollider2DComponentEditor(Entity entity, BoxCollider2DComponent* boxCollider)
+		{
+			float textWidth = ImGui.CalcTextSize("Offset".CStr()).x;
+			textWidth += ImGui.GetStyle().FramePadding.x * 3.0f;
+
+
+			Vector2 offset = boxCollider.Offset;
+			if (ImGui.EditVector2("Offset", ref offset, .Zero, 0.1f, textWidth))
+				boxCollider.Offset = offset;
+
+			Vector2 size = boxCollider.Size;
+			if (ImGui.EditVector2("Size", ref size, .Zero, 0.1f, textWidth))
+				boxCollider.Size = size;
+			
+			float density = boxCollider.Density;
+			if (ImGui.DragFloat("Density", &density, 0.0f, 0.1f, textWidth))
+				boxCollider.Density = density;
+			
+			float friction = boxCollider.Friction;
+			if (ImGui.DragFloat("Friction", &friction, 0.0f, 0.1f, textWidth))
+				boxCollider.Friction = friction;
+
+			float restitution = boxCollider.Restitution;
+			if (ImGui.DragFloat("Restitution", &restitution, 0.0f, 0.1f, textWidth))
+				boxCollider.Restitution = restitution;
+
+			float restitutionThreshold = boxCollider.RestitutionThreshold;
+			if (ImGui.DragFloat("RestitutionThreshold", &restitutionThreshold, 0.0f, 0.1f, textWidth))
+				boxCollider.RestitutionThreshold = restitutionThreshold;
+		}
+
+		private static void ShowCircleCollider2DComponentEditor(Entity entity, CircleCollider2DComponent* circleCollider)
+		{
+			float textWidth = ImGui.CalcTextSize("Offset".CStr()).x;
+			textWidth += ImGui.GetStyle().FramePadding.x * 3.0f;
+
+
+			Vector2 offset = circleCollider.Offset;
+			if (ImGui.EditVector2("Offset", ref offset, .Zero, 0.1f, textWidth))
+				circleCollider.Offset = offset;
+
+			float radius = circleCollider.Radius;
+			if (ImGui.DragFloat("Radius", &radius, 0.0f, 0.1f, textWidth))
+				circleCollider.Radius = radius;
+			
+			float density = circleCollider.Density;
+			if (ImGui.DragFloat("Density", &density, 0.0f, 0.1f, textWidth))
+				circleCollider.Density = density;
+			
+			float friction = circleCollider.Friction;
+			if (ImGui.DragFloat("Friction", &friction, 0.0f, 0.1f, textWidth))
+				circleCollider.Friction = friction;
+
+			float restitution = circleCollider.Restitution;
+			if (ImGui.DragFloat("Restitution", &restitution, 0.0f, 0.1f, textWidth))
+				circleCollider.Restitution = restitution;
+
+			float restitutionThreshold = circleCollider.RestitutionThreshold;
+			if (ImGui.DragFloat("RestitutionThreshold", &restitutionThreshold, 0.0f, 0.1f, textWidth))
+				circleCollider.RestitutionThreshold = restitutionThreshold;
+		}
+
+		private static void LabelColumn(StringView label)
+		{
+			ImGui.TextUnformatted(label);
+			ImGui.NextColumn();
+		}
+
+		private static void ShowLightComponentEditor(Entity entity, LightComponent* lightComponent)
+		{
+			ImGui.Columns(2);
+			defer ImGui.Columns(1);
+
+			const String[?] strings = String[]("Directional", "Point", "Spot");
+
+			var light = ref lightComponent.SceneLight;
+
+			String typeName = strings[light.LightType.Underlying];
+			
+			LabelColumn("Type");
+
+			if (ImGui.BeginCombo("##Type", typeName.CStr()))
+			{
+				for (int i = 0; i < 3; i++)
+				{
+					bool isSelected = (typeName == strings[i]);
+
+					if (ImGui.Selectable(strings[i], isSelected))
+					{
+						light.LightType = (.)i;
+					}
+
+					if (isSelected)
+						ImGui.SetItemDefaultFocus();
+				}
+
+				ImGui.EndCombo();
+			}
+			
+			ImGui.NextColumn();
+			LabelColumn("Color");
+
+			ColorRGB color = ColorRGB.LinearToSRGB(light.Color);
+			if (ImGui.ColorEdit3("##Color", ref color))
+				light.Color = ColorRGB.SRgbToLinear(color);
+
+			ImGui.NextColumn();
+			LabelColumn("Illuminance");
+
+			float illuminance = light.Illuminance;
+			if (ImGui.DragFloat("##Illuminance", &illuminance, 0.1f, 0.0f, float.MaxValue))
+				light.Illuminance = illuminance;
+		}
+
+		private static void ShowMeshComponentEditor(Entity entity, MeshComponent* meshComponent)
+		{
+			ImGui.TextUnformatted("Mesh:");
+			ImGui.SameLine();
+
+			GeometryBinding mesh = meshComponent.Mesh;
+
+			StringView identifier = mesh?.Identifier ?? "None";
+			ImGui.Button(identifier.ToScopeCStr!());
+
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					StringView fullpath = .((char8*)payload.Data, (int)payload.DataSize);
+
+					/*int idx = fullpath.IndexOf('#');
+
+					if (idx == -1)
+					{
+						// Doesn't make sense here, we NEED a sub asset
+						Runtime.NotImplemented();
+					}
+
+					StringView filePath = fullpath.Substring(0, idx);
+					StringView meshName = fullpath.Substring(idx + 1);*/
+
+					meshComponent.Mesh = Content.LoadAsset(fullpath);
+
+					// TODO: support multiple primitives (treat every primitive as a single mesh? or: mesh can have multiple primitives)
+					/*using (GeometryBinding binding = ModelLoader.LoadMesh(filePath, meshName, 0))
+					{
+						meshComponent.Mesh = binding;
+					}*/
+
+					//ModelLoader.LoadModel(scope .(path), )
+
+					/*using (Texture2D newTexture = new Texture2D(path, true))
+					{
+						newTexture.SamplerState = SamplerStateManager.AnisotropicWrap;
+						material.SetTexture(texture.key, newTexture);
+					}*/
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+		}
+
+		private static void ShowAddComponentButton(Entity entity)
+		{
+			static char8[128] searchBuffer = .();
+			static StringView searchFilter = .();
+			
+			static float buttonWidth = 100;
+
+			ImGui.NewLine();
+			ImGui.Separator();
+			ImGui.NewLine();
+
+			void ShowComponentButton<TComponent>(String name) where TComponent : struct, new
+			{
+				// If the entity already has this component, don't show the option to add it
+				if (entity.HasComponent<TComponent>())
+					return;
+
+				float textWidth = ImGui.CalcTextSize(name.CStr()).x;
+				buttonWidth = Math.Max(buttonWidth, textWidth + ImGui.GetStyle().FramePadding.x * 2);
+
+				if (name.Contains(searchFilter, true) && ImGui.Selectable(name))
+				{
+					if (!entity.HasComponent<TComponent>())
+						entity.AddComponent<TComponent>();
+				}
+			}
+
+			float textWidth = ImGui.CalcTextSize("Add Component...").x;
+			buttonWidth = Math.Max(buttonWidth, textWidth + ImGui.GetStyle().FramePadding.x * 2);
+
+			ImGui.PushItemWidth(buttonWidth);
+
+			ImGui.NewLine();
+			ImGui.SameLine(ImGui.GetContentRegionMax().x / 2 - buttonWidth / 2);
+
+			if (ImGui.BeginCombo("##add_component_combo", "Add Component...", .NoArrowButton))
+			{
+				if (ImGui.InputText("##search_component_name", &searchBuffer, (.)searchBuffer.Count))
+				{
+					searchFilter = .(&searchBuffer);
+				}
+
+				ImGui.Separator();
+
+				ShowComponentButton<CameraComponent>("Camera");
+				ShowComponentButton<SpriteRendererComponent>("Sprite Renderer");
+				ShowComponentButton<CircleRendererComponent>("Circle Renderer");
+				ShowComponentButton<LightComponent>("Light");
+				ShowComponentButton<Rigidbody2DComponent>("Rigidbody 2D");
+				ShowComponentButton<BoxCollider2DComponent>("Box collider 2D");
+				ShowComponentButton<CircleCollider2DComponent>("Circle collider 2D");
+				ShowComponentButton<MeshComponent>("Mesh");
+				ShowComponentButton<MeshRendererComponent>("Mesh Renderer");
+
+				ImGui.EndCombo();
+			}
+
+			ImGui.PopItemWidth();
 		}
 	}
 }

GlitchyEditor/src/EditWindows/ContentBrowserWindow.bf

@@ -0,0 +1,402 @@
+using ImGui;
+using System;
+using System.IO;
+using GlitchyEngine.Collections;
+using System.Collections;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Math;
+using GlitchyEngine;
+using GlitchyEditor.Assets;
+
+namespace GlitchyEditor.EditWindows
+{
+	using internal GlitchyEditor.EditorContentManager;
+
+	class ContentBrowserWindow : EditorWindow
+	{
+		public const String s_WindowTitle = "Content Browser";
+
+		private append String _currentDirectory = .();
+
+		private append String _selectedFile = .();
+
+		public static SubTexture2D s_FolderTexture;
+		public static SubTexture2D s_FileTexture;
+
+		public EditorContentManager _manager;
+
+		public StringView SelectedFile => _selectedFile;
+
+		public this(EditorContentManager contentManager)
+		{
+			_manager = contentManager;
+		}
+
+		protected override void InternalShow()
+		{
+			_manager.Update();
+			
+			// Make sure we are in an existing directory.
+			if (!_manager.AssetHierarchy.FileExists(_currentDirectory))
+			{
+				_currentDirectory.Set(_manager.ContentDirectory);
+			}
+
+			if(!ImGui.Begin(s_WindowTitle, &_open, .None))
+			{
+				ImGui.End();
+				return;
+			}
+
+			// Context menu when clicking on the background.
+			if (ImGui.BeginPopupContextWindow())
+			{
+			    ShowCurrentFolderContextMenu();
+			    ImGui.EndPopup();
+			}
+
+			ImGui.Columns(2);
+
+			ImGui.BeginChild("Sidebar");
+
+			DrawDirectorySideBar();
+
+			ImGui.EndChild();
+
+			ImGui.NextColumn();
+			
+			ImGui.BeginChild("Files");
+
+			DrawCurrentDirectory();
+
+			ImGui.EndChild();
+
+			ImGui.Columns(1);
+
+			ImGui.End();
+		}
+
+		/// Renders the context menu that is shown when the user right clicks on the background of the file browser.
+		private void ShowCurrentFolderContextMenu()
+		{
+			if (ImGui.MenuItem("Open in file browser..."))
+			{
+				if (Path.OpenFolder(_currentDirectory) case .Err)
+					Log.EngineLogger.Error("Failed to open directory in file browser.");
+			}
+		}
+
+		/// Renders a sidebar that shows a tree of all directories in the asset folder.
+		private void DrawDirectorySideBar()
+		{
+			for(var child in _manager.AssetHierarchy.[Friend]_assetHierarchy.Children)
+			{
+				ImGuiPrintEntityTree(child);
+			}
+		}
+
+		/// Renders an ImGui tree of all directories in the given tree.
+		/// @param tree The file hierarchy of which to render all directories.
+		private void ImGuiPrintEntityTree(TreeNode<AssetNode> tree)
+		{
+			if (!tree->IsDirectory)
+				return;
+
+			String name = tree->Name;
+
+			ImGui.TreeNodeFlags flags = .OpenOnArrow | .SpanAvailWidth;
+
+			if(tree.Children.Count == 0)
+				flags |= .Leaf;
+
+			if (tree->Path == _currentDirectory)
+			{
+				flags |= .Selected;
+			}
+
+			bool isOpen = ImGui.TreeNodeEx(name, flags, $"{name}");
+
+			if (ImGui.IsItemClicked(.Left))
+			{
+				_currentDirectory.Set(tree->Path);
+			}
+
+			if(isOpen)
+			{
+				for(var child in tree.Children)
+				{
+					ImGuiPrintEntityTree(child);
+				}
+
+				ImGui.TreePop();
+			}
+		}
+
+		private static Vector2 DirectoryItemSize = .(110, 110);
+
+		const Vector2 padding = .(24, 24);
+
+		/// Renders the contents of _currentDirectory.
+		private void DrawCurrentDirectory()
+		{
+			if (_currentDirectory.IsEmpty)
+				return;
+
+			ImGui.Style* style = ImGui.GetStyle();
+
+			float window_visible_x2 = ImGui.GetWindowPos().x + ImGui.GetWindowContentRegionMax().x;
+
+			// Get the node of the current directory.
+			var currentDirectoryNode = _manager.AssetHierarchy.GetNodeFromPath(_currentDirectory);
+
+			if (currentDirectoryNode case .Err)
+			{
+				Log.EngineLogger.Error($"No node exists for {_currentDirectory}.");
+				ImGui.TextUnformatted("Failed to display contents of directory.");
+				return;
+			}
+
+			if (currentDirectoryNode->Parent != null)
+			{
+				ImGui.PushID("Back");
+
+				DrawBackButton(currentDirectoryNode->Parent);
+
+				// X-Coordinate of the right side of the current entry.
+				float currentButtonRight = ImGui.GetItemRectMax().x;
+				// Expected right-Coordinate if next entry was on the same line.
+				float expectedButtonRight = currentButtonRight + style.ItemSpacing.x + DirectoryItemSize.X;
+
+				// If the next button won't fit on the same line we start a new line.
+				if (expectedButtonRight < window_visible_x2)
+				    ImGui.SameLine();
+
+				ImGui.PopID();
+			}
+
+			for (var entry in currentDirectoryNode->Children)
+			{
+			    ImGui.PushID(entry->Name);
+
+				DrawDirectoryItem(entry);
+
+				// X-Coordinate of the right side of the current entry.
+				float currentButtonRight = ImGui.GetItemRectMax().x;
+				// Expected right-Coordinate if next entry was on the same line.
+				float expectedButtonRight = currentButtonRight + style.ItemSpacing.x + DirectoryItemSize.X;
+
+				// If we aren't the last entry and the next button won't fit on the same line we start a new line.
+				if (entry != currentDirectoryNode->Children.Back && expectedButtonRight < window_visible_x2)
+				    ImGui.SameLine();
+
+				ImGui.PopID();
+			}
+		}
+
+		/// Renders the button for the given directory item.
+		private void DrawBackButton(TreeNode<AssetNode> entry)
+		{
+			ImGui.BeginChild("item", (.)DirectoryItemSize);
+
+			if (entry->Path == _selectedFile)
+			{
+				var color = ImGui.GetStyleColorVec4(.ButtonHovered);
+				ImGui.PushStyleColor(.Button, *color);
+			}
+			else
+			{
+				ImGui.PushStyleColor(.Button, ImGui.Vec4(0, 0, 0, 0));
+			}
+			
+			SubTexture2D image = s_FolderTexture;
+
+			ImGui.ImageButton(image, (.)(DirectoryItemSize - padding));
+
+			ImGui.PopStyleColor();
+
+			if (ImGui.IsItemHovered() && ImGui.IsMouseClicked(.Left))
+			{
+				if (_selectedFile != entry->Path)
+				{
+					_selectedFile.Set(entry->Path);
+				}
+			}
+
+			if (ImGui.IsItemHovered() && ImGui.IsMouseDoubleClicked(.Left))
+			{
+				EntryDoubleClicked(entry);
+			}
+
+			ImGui.TextUnformatted("..");
+
+			ImGui.EndChild();
+		}
+
+		/// Renders the button for the given directory item.
+		private void DrawDirectoryItem(TreeNode<AssetNode> entry)
+		{
+			ImGui.BeginChild("item", (.)DirectoryItemSize);
+
+			if (entry->Path == _selectedFile)
+			{
+				var color = ImGui.GetStyleColorVec4(.ButtonHovered);
+				ImGui.PushStyleColor(.Button, *color);
+			}
+			else
+			{
+				ImGui.PushStyleColor(.Button, ImGui.Vec4(0, 0, 0, 0));
+			}
+			
+			// TODO: preview images
+			SubTexture2D image = entry->IsDirectory ? s_FolderTexture : s_FileTexture;
+
+			ImGui.ImageButton(image, (.)(DirectoryItemSize - padding));
+
+			ImGui.PopStyleColor();
+
+			if (ImGui.BeginDragDropSource())
+			{
+				String fullpath = scope String(entry->Path);
+
+				// TODO: this is dirty
+				if (fullpath.StartsWith(_manager.ContentDirectory, .OrdinalIgnoreCase))
+					fullpath.Remove(0, _manager.ContentDirectory.Length);
+
+				Path.Fixup(fullpath);
+
+				ImGui.SetDragDropPayload("CONTENT_BROWSER_ITEM", fullpath.CStr(), (.)fullpath.Length, .Once);
+
+				ImGui.EndDragDropSource();
+			}
+
+			if (ImGui.IsItemHovered() && ImGui.IsMouseClicked(.Left))
+			{
+				if (_selectedFile != entry->Path)
+				{
+					_selectedFile.Set(entry->Path);
+				}
+			}
+
+			if (ImGui.IsItemHovered() && ImGui.IsMouseDoubleClicked(.Left))
+			{
+				EntryDoubleClicked(entry);
+			}
+
+			ImGui.TextUnformatted(entry->Name);
+
+			if (ImGui.BeginPopupContextWindow())
+			{
+			    ShowItemContextMenu(entry);
+			    ImGui.EndPopup();
+			}
+
+			if (entry->SubAssets?.Count > 0)
+			{
+				// Button for revealing sub assets (e.g. Meshes in 3D-Model)
+
+				ImGui.SameLine();
+				if (ImGui.Button(">"))
+					ImGui.OpenPopup("SubAssets");
+			}
+
+			if (ImGui.BeginPopup("SubAssets", .Popup))
+			{
+				for (var subAsset in entry->SubAssets)
+				{
+					ImGui.Button(subAsset.Name);
+
+					if (ImGui.BeginDragDropSource())
+					{
+						String fullpath = scope String(entry->Path);
+						fullpath.AppendF($"#{subAsset.Name}");
+
+						ImGui.SetDragDropPayload("CONTENT_BROWSER_ITEM", fullpath.CStr(), (.)fullpath.Length, .Once);
+		
+						ImGui.EndDragDropSource();
+					}
+				}
+
+				ImGui.EndPopup();
+			}
+
+			DeleteItemPopup(entry);
+			
+			ImGui.EndChild();
+		}
+
+		private void DeleteItemPopup(TreeNode<AssetNode> fileOrFolder)
+		{
+			// Always center this window when appearing
+			ImGui.Vec2 center = ImGui.GetMainViewport().GetCenter();
+			ImGui.SetNextWindowPos(center, .Appearing, ImGui.Vec2(0.5f, 0.5f));
+
+			// TODO: fix delete popup
+
+			if (ImGui.BeginPopupModal("Delete?", null, .AlwaysAutoResize))
+			{
+				ImGui.Text($"""
+					Delete "{fileOrFolder->Name}"?
+
+
+					""");
+
+				ImGui.Separator();
+
+				if (ImGui.Button("Yes", ImGui.Vec2(120, 0)))
+				{
+					ImGui.CloseCurrentPopup();
+				}
+
+				ImGui.SetItemDefaultFocus();
+				ImGui.SameLine();
+
+				if (ImGui.Button("Cancel", ImGui.Vec2(120, 0)))
+				{
+					ImGui.CloseCurrentPopup();
+				}
+
+				ImGui.EndPopup();
+			}
+		}
+
+		/// Shows the context menu for the given file/folder.
+		private void ShowItemContextMenu(TreeNode<AssetNode> fileOrFolder)
+		{
+			bool isFile = !fileOrFolder->IsDirectory;
+
+		    if (ImGui.MenuItem("Show in file browser..."))
+		    {
+				if (Path.OpenFolderAndSelectItem(fileOrFolder->Path) case .Err)
+				{
+					Log.EngineLogger.Error("Failed to show path in file browser.");
+				}
+		    }
+
+			if (isFile && ImGui.MenuItem("Open file with..."))
+			{
+				if (Path.OpenWithDialog(fileOrFolder->Path) case .Err)
+				{
+					Log.EngineLogger.Error("Failed to show \"Open with...\" dialog.");
+				}
+			}
+
+			if (ImGui.MenuItem("Delete"))
+			{
+            	ImGui.OpenPopup("Delete?");
+			}
+		}
+
+		private void EntryDoubleClicked(TreeNode<AssetNode> entry)
+		{
+			if (entry->IsDirectory)
+			{
+				_currentDirectory.Set(entry->Path);
+			}
+			else
+			{
+				if (Path.OpenFolder(entry->Path) case .Err)
+					Log.EngineLogger.Error("Failed to open directory in file browser.");
+			}
+		}
+	}
+}

GlitchyEditor/src/EditWindows/EditorViewportWindow.bf

@@ -0,0 +1,334 @@
+using System;
+using ImGui;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Math;
+using GlitchyEngine;
+using GlitchyEngine.World;
+using ImGuizmo;
+using GlitchyEngine.Events;
+
+namespace GlitchyEditor.EditWindows
+{
+	class EditorViewportWindow : EditorWindow
+	{
+		public const String s_WindowTitle = "Scene";
+
+		private ImGui.Vec2 _oldViewportSize = .(100, 100);
+		private bool _viewPortChanged;
+
+		/// True if the cursor wrapped from one side of the viewport to the other last frame.
+		private bool _wrappedCursor;
+
+		private RenderTargetGroup _renderTarget ~ _?.ReleaseRef();
+
+		private ImGuizmo.OPERATION _gizmoType = .TRANSLATE;
+		private ImGuizmo.MODE _gizmoMode = .LOCAL;
+		private float _snap = 0.5f;
+		private float _angleSnap = 45.0f;
+		private bool _doSnap = false;
+
+		private bool _visible;
+
+		public uint32 SelectedEntityId {get; private set; }
+		public bool SelectionChanged { get; private set; }
+
+		public Vector2 ViewportSize => (Vector2)_oldViewportSize;
+		// Occurs when the viewport is resized.
+		public Event<EventHandler<Vector2>> ViewportSizeChanged ~ _.Dispose();
+		// Occurs when an entity was clicked.
+		public Event<EventHandler<uint32>> EntityClicked ~ _.Dispose();
+
+		/// The render target that is shown in the viewport window.
+		public RenderTargetGroup RenderTarget
+		{
+			get => _renderTarget;
+			set
+			{
+				if(_renderTarget == value)
+					return;
+
+				SetReference!(_renderTarget, value);
+			}
+		}
+
+		/// Gets or sets whether the editor functionality (gizmo, picking etc.) is enabled.
+		public bool EditorMode { get; set; } = true
+
+		public bool Visible => _visible;
+
+		public this(Editor editor)
+		{
+			_editor = editor;
+		}
+
+		protected override void InternalShow()
+		{
+			ImGui.PushStyleVar(.WindowPadding, ImGui.Vec2(1, 1));
+			defer ImGui.PopStyleVar();
+
+			if(!ImGui.Begin(s_WindowTitle, &_open, .NoScrollbar | .MenuBar))
+			{
+				ImGui.End();
+				
+				_visible = false;
+				return;
+			}
+
+			_visible = true;
+
+			let viewportSize = ImGui.GetContentRegionAvail();
+
+			if(ImGui.IsWindowHovered() && Input.IsMouseButtonPressing(.RightButton))
+			{
+				let currentWindow = ImGui.GetCurrentWindow();
+				ImGui.FocusWindow(currentWindow);
+			}
+
+			_hasFocus = ImGui.IsWindowFocused();
+			
+			ShowMenuBar();
+			
+			if (_editor.CurrentCamera.[Friend]BindMouse && _hasFocus)
+				WrapMouseInViewport();
+
+			// If we wrapped this frame we weren't hovering because the cursor has to be be out of bounds to wrap
+			_editor.CurrentCamera.AllowMove = _hasFocus && (ImGui.IsWindowHovered() || _wrappedCursor);
+
+			if (_hasFocus && !_editor.CurrentCamera.InUse)
+			{
+				if (Input.IsKeyPressing(.Q))
+					_gizmoType = .TRANSLATE;
+				if (Input.IsKeyPressing(.W))
+					_gizmoType = .ROTATE;
+				if (Input.IsKeyPressing(.E))
+					_gizmoType = .SCALE;
+
+				if (Input.IsKeyPressing(.G))
+					_gizmoMode = .WORLD;
+				if (Input.IsKeyPressing(.L))
+					_gizmoMode = .LOCAL;
+			}
+			
+			if(_renderTarget != null)
+			{
+				ImGui.Image(_renderTarget.GetViewBinding(0), viewportSize);
+				//ImGui.Image(_editor.CurrentCamera.RenderTarget.GetViewBinding(0), viewportSize);
+				//ImGui.Image(_editor.CurrentScene.[Friend]_compositeTarget.GetViewBinding(0), viewportSize);
+			}
+
+			HandleDropTarget();
+
+			bool gizmoUsed = DrawImGuizmo(viewportSize);
+
+			MousePicking(viewportSize, gizmoUsed);
+	
+			ImGui.End();
+
+			if(_oldViewportSize != viewportSize)
+			{
+				ViewportSizeChanged.Invoke(this, (Vector2)viewportSize);
+				_viewPortChanged = true;
+				_oldViewportSize = viewportSize;
+			}
+		}
+
+		/// Provides the ImGui Drop target and handles dropped payload.
+		private void HandleDropTarget()
+		{
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					StringView path = .((char8*)payload.Data, (int)payload.DataSize);
+					_editor.RequestOpenScene(this, path);
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+		}
+
+		/// Wraps the mouse, so that it always stays in the viewport.
+		private void WrapMouseInViewport()
+		{
+			_wrappedCursor = false;
+
+			let mousePos = (Vector2)ImGui.GetMousePos();
+			let winPos = (Vector2)ImGui.GetWindowPos();
+			let regionMin = winPos + (Vector2)ImGui.GetWindowContentRegionMin();
+			let regionMax = winPos + (Vector2)ImGui.GetWindowContentRegionMax();
+
+			ImGui.DrawRect((.)regionMin, (.)regionMax, .(0, 255, 0));
+
+			Vector2 newMousePos = mousePos;
+
+			if (mousePos.X < regionMin.X + 1)
+			{
+				newMousePos.X = regionMax.X - 2;
+			}
+			else if (mousePos.X > regionMax.X - 1)
+			{
+				newMousePos.X = regionMin.X + 2;
+			}
+			
+			if (mousePos.Y < regionMin.Y + 1)
+			{
+				newMousePos.Y = regionMax.Y - 100;
+			}
+			else if (mousePos.Y > regionMax.Y - 1)
+			{
+				newMousePos.Y = regionMin.Y + 10;
+			}
+
+			if (newMousePos != mousePos)
+			{
+				Input.SetMousePosition((Int2)newMousePos);
+				// After wrapping the cursor the the other side, the camera controller must not compare the positions,
+				// because the delta doesn't represent the correct movement of the cursor.
+				// TODO: can be solved by using direct mouse movement instead of comparing positions
+				_editor.CurrentCamera.[Friend]MouseCooldown = 2;
+				_wrappedCursor = true;
+			}
+		}
+
+		/// If the user clicks, the entity beneath the cursor will be selected.
+		private void MousePicking(ImGui.Vec2 viewportSize, bool gizmoUsed)
+		{
+			Vector2 relativeMouse = (Vector2)ImGui.GetMousePos() - (Vector2)ImGui.GetItemRectMin();
+
+			int rtWidth = _editor.EditorSceneRenderer.CompositeTarget.Width;
+			int rtHeight = _editor.EditorSceneRenderer.CompositeTarget.Height;
+
+			if (Input.IsMouseButtonPressing(.LeftButton) &&
+				ImGui.IsWindowHovered() && !gizmoUsed && !_editor.CurrentCamera.InUse && 
+				relativeMouse.X >= 0 && relativeMouse.Y >= 0 &&
+				relativeMouse.X < viewportSize.x && relativeMouse.Y < viewportSize.y &&
+				relativeMouse.X < rtWidth && relativeMouse.Y < rtHeight)
+			{
+				uint32 id = uint32.MaxValue;
+
+				_editor.EditorSceneRenderer.CompositeTarget.GetData<uint32>(&id, 1, (.)relativeMouse.X, (.)relativeMouse.Y, 1, 1);
+
+				SelectionChanged = true;
+				SelectedEntityId = id;
+
+				EntityClicked(this, id);
+			}
+			else
+			{
+				SelectionChanged = false;
+			}
+		}
+
+		private void ShowMenuBar()
+		{
+			if(ImGui.BeginMenuBar())
+			{
+				if (ImGui.RadioButton("Position", _gizmoType.HasFlag(.TRANSLATE)))
+				{
+					if (Input.IsKeyPressed(Key.Control))
+						_gizmoType ^= .TRANSLATE;
+					else
+						_gizmoType = .TRANSLATE;
+				}
+
+				if (ImGui.RadioButton("Rotation", _gizmoType.HasFlag(.ROTATE)))
+				{
+					if (Input.IsKeyPressed(Key.Control))
+						_gizmoType ^= .ROTATE;
+					else
+						_gizmoType = .ROTATE;
+				}
+				
+				if (ImGui.RadioButton("Scale", _gizmoType.HasFlag(.SCALE)))
+				{
+					if (Input.IsKeyPressed(Key.Control))
+						_gizmoType ^= .SCALE;
+					else
+						_gizmoType = .SCALE;
+				}
+
+				if (ImGui.RadioButton("All", _gizmoType == .TRANSLATE | .ROTATE | .SCALE))
+					_gizmoType = .TRANSLATE | .ROTATE | .SCALE;
+
+				// If we scale, the mode must be local otherwise we could skew the matrix.
+				if (_gizmoType.HasFlag(.SCALE))
+					_gizmoMode = .LOCAL;
+
+				if (ImGui.MenuItem(_gizmoMode == .WORLD ? "Global" : "Local", null, true, !_gizmoType.HasFlag(.SCALE)))
+				{
+					if (_gizmoMode == .WORLD)
+						_gizmoMode = .LOCAL;
+					else
+						_gizmoMode = .WORLD;
+				}
+
+				_doSnap = Input.IsKeyPressed(.Shift);
+
+				ImGui.PushItemWidth(100);
+
+				if (_gizmoType.HasFlag(.ROTATE))
+				{
+					ImGui.DragFloat("Angle Snap", &_angleSnap, 1.0f, 0.0f, 180.0f);
+				}
+
+				if (_gizmoType.HasFlag(.TRANSLATE) || _gizmoType.HasFlag(.SCALE))
+				{
+					ImGui.DragFloat("Snap", &_snap, 0.1f, 0.0f, float.MaxValue);
+				}
+				
+				ImGui.PopItemWidth();
+
+				ImGui.EndMenuBar();
+			}
+		}
+
+		private bool DrawImGuizmo(ImGui.Vec2 viewportSize)
+		{
+			// TODO: Needed if we have a orthographic editor-camera (or support gizmos in the Play-Window, where we can also have ortho projections)
+			ImGuizmo.SetOrthographic(false);
+			ImGuizmo.SetDrawlist();
+
+			var topLeft = ImGui.GetWindowPos();
+			var cntMin = ImGui.GetWindowContentRegionMin();
+
+			topLeft.x += cntMin.x;
+			topLeft.y += cntMin.y;
+			ImGuizmo.SetRect(topLeft.x, topLeft.y, viewportSize.x, viewportSize.y);
+
+			var view = _editor.CurrentCamera.View;
+			var projection = _editor.CurrentCamera.Projection;
+
+			if(_editor.EntityHierarchyWindow.SelectedEntities.Count == 0)
+				return false;
+
+			var entity = _editor.EntityHierarchyWindow.SelectedEntities.Back;
+
+			var transformCmp = entity.GetComponent<TransformComponent>();
+
+			var worldTransform = transformCmp.WorldTransform;
+
+			Matrix parentView = .Identity;
+			if (transformCmp.Parent != .InvalidEntity)
+			{
+				var parentTransformCmp = Entity(transformCmp.Parent, entity.Scene).GetComponent<TransformComponent>();
+				parentView = parentTransformCmp.WorldTransform.Invert();
+			}
+
+			Vector3 snap = .(_snap);
+			if (_gizmoType.HasFlag(.ROTATE))
+				snap = .(_angleSnap);
+			
+			if (ImGuizmo.Manipulate((.)&view, (.)&projection, _gizmoType, _gizmoMode, (.)&worldTransform, null, _doSnap ? (.)&snap : null))
+			{
+				// TODO: Fix when parent is scaled
+				// Seems to work fine for parent rotation and translation but scaled parent ruins everything
+				// (probably because scaling a rotated matrix results in a skewed matrix, but unity can do it and so should we)
+				transformCmp.LocalTransform = parentView * worldTransform;
+			}
+
+			return ImGuizmo.IsUsing();
+		}
+	}
+}

GlitchyEditor/src/EditWindows/EditorWindow.bf

@@ -0,0 +1,32 @@
+using System;
+namespace GlitchyEditor.EditWindows
+{
+	abstract class EditorWindow
+	{
+		protected Editor _editor;
+		
+		protected bool _open = true;
+		protected bool _hasFocus;
+
+		public bool Open
+		{
+			get => _open;
+			set => _open = value;
+		}
+
+		public bool HasFocus
+		{
+			get => _hasFocus;
+		}
+
+		public void Show()
+		{
+			if(!_open)
+				return;
+			
+			InternalShow();
+		}
+
+		protected abstract void InternalShow();
+	}
+}

GlitchyEditor/src/EditWindows/EntityHierarchyWindow.bf

@@ -10,35 +10,73 @@ namespace GlitchyEditor.EditWindows
 	using internal GlitchyEditor;
 
 	/// A window for viewing and editing the scene hierarchy
-	class EntityHierarchyWindow
+	class EntityHierarchyWindow : EditorWindow
 	{
 		public const String s_WindowTitle = "Entity Hierarchy";
 
-		private Editor _editor;
-		
 		/// Buffer for the entity search string.
 		private char8[64] _entitySearchChars;
 
-		private bool _open = true;
+		private Scene _scene;
 
-		public Editor Editor => _editor;
+		private List<Entity> _selectedEntities = new .() ~ delete _;
 
-		public bool Open
-		{
-			get => _open;
-			set => _open = value;
-		}
+		public List<Entity> SelectedEntities => _selectedEntities;
 
-		public this(Editor editor)
+		public this(Editor editor, Scene scene)
 		{
 			_editor = editor;
+			SetContext(scene);
 		}
 
-		public void Show()
+		public void SetContext(Scene scene)
 		{
-			if(!_open)
-				return;
+			ClearEntitySelection();
+			_scene = scene;
+		}
 
+		/*public bool SelectEntityWithId(uint32 id, bool addToSelection = false)
+		{
+			if (!addToSelection)
+				_selectedEntities.Clear();
+
+			_scene.[Friend]_ecsWorld.IsValid(id);
+
+			_selectedEntities.Add();
+		}*/
+
+		/// Deselects all entities.
+		public void ClearEntitySelection()
+		{
+			_selectedEntities.Clear();
+		}
+
+		/// Selects the given entity.
+		/// @param entity The entity to select.
+		/// @param clearOldSelection If true the previously selected entities will be deselected. If false, the given entity will be added to the current selection.
+		public void SelectEntity(Entity entity, bool clearOldSelection = false)
+		{
+			if (clearOldSelection)
+				ClearEntitySelection();
+
+			_selectedEntities.Add(entity);
+		}
+
+		/// Deselects the given entity.
+		/// @param entity The entity to deselect.
+		public bool DeselectEntity(Entity entity)
+		{
+			return _selectedEntities.Remove(entity);
+		}
+
+		/// Returns whether or not the given entity is currently selected.
+		public bool IsEntitySelected(Entity entity)
+		{
+			return _selectedEntities.Contains(entity);
+		}
+
+		protected override void InternalShow()
+		{
 			if(!ImGui.Begin(s_WindowTitle, &_open, .MenuBar))
 			{
 				ImGui.End();
@@ -47,70 +85,97 @@ namespace GlitchyEditor.EditWindows
 
 			ShowEntityHierarchyMenuBar();
 
+			if (ImGui.BeginPopupContextWindow(s_WindowTitle))
+			{
+				Show_ContextMenu_Create(true, false, false);
+
+				ImGui.EndPopup();
+			}
+
+			if (_editor.SceneViewportWindow.SelectionChanged)
+			{
+				var handle = _scene.[Friend]_ecsWorld.GetCurrentVersion(EcsEntity.[Friend]CreateEntityID(_editor.SceneViewportWindow.SelectedEntityId, 0));
+
+				if (handle case .Ok(let h))
+				{
+					Entity e = .(h, _scene);
+
+					SelectEntity(e, Input.IsKeyReleased(.Control));
+				}
+				else if (Input.IsKeyReleased(.Control))
+				{
+					ClearEntitySelection();
+				}
+			}
+
 			ShowEntityHierarchy();
 			
+			if ((ImGui.IsMouseDown(.Left) || ImGui.IsMouseDown(.Right)) && !ImGui.IsAnyItemHovered() && !ImGui.GetIO().KeyCtrl && ImGui.IsWindowHovered(.AllowWhenBlockedByPopup))
+				ClearEntitySelection();
+
 			ImGui.End();
 		}
 		
+		/// Returns whether or not all selected entities have the same parent.
+		internal bool AllSelectionsOnSameLevel()
+		{
+			EcsEntity? parent = .InvalidEntity;
+
+			for(var selectedEntity in _selectedEntities)
+			{
+				var transformComponent = selectedEntity.GetComponent<TransformComponent>();
+
+				if(parent == .InvalidEntity)
+				{
+					parent = transformComponent.Parent;
+				}
+				else if(transformComponent.Parent != parent)
+				{
+					return false;
+				}
+			}
+
+			return true;
+		}
+		
+		/// Finds all children of the given entity and stores their IDs in the given list.
+		internal void FindChildren(EcsEntity entity, List<EcsEntity> entities)
+		{
+			for(var (child, childTransform) in _scene.[Friend]_ecsWorld.Enumerate<TransformComponent>())
+			{
+				if(childTransform.Parent == entity)
+				{
+					if(!entities.Contains(child))
+						entities.Add(child);
+
+					FindChildren(child, entities);
+				}
+			}
+		}
+
+		/// Deletes all selected entities and their children.
+		internal void DeleteSelectedEntities()
+		{
+			for (var entity in _selectedEntities)
+			{
+				_scene.DestroyEntity(entity, true);
+			}
+
+			_selectedEntities.Clear();
+		}
+
 		private void ShowEntityHierarchyMenuBar()
 		{
 			if(ImGui.BeginMenuBar())
 			{
-				if(ImGui.BeginMenu("Create"))
+				Show_ContextMenu_Create(true, true, true);
+
+				Show_ContextMenu_Delete();
+
+				if(ImGui.MenuItem("Delete", null, false, !_selectedEntities.IsEmpty) ||
+					(Input.IsKeyPressed(.Delete) && ImGui.IsWindowHovered()))
 				{
-					if(ImGui.MenuItem("Empty Entity"))
-					{
-						_editor.CreateEntityWithTransform();
-					}
-
-					if(ImGui.IsItemHovered())
-						ImGui.SetTooltip("Create a new Entity with a transform component.");
-
-					if(ImGui.MenuItem("Empty Child", null, false, !_editor.SelectedEntities.IsEmpty))
-					{
-						var newEntity = _editor.CreateEntityWithTransform();
-						var parent = _editor.World.AssignComponent<ParentComponent>(newEntity);
-						// Last entity in list is the entity that has been selected last.
-						parent.Entity = _editor.SelectedEntities.Back;
-					}
-					
-					if(ImGui.IsItemHovered())
-						ImGui.SetTooltip("Create a new Entity that is a child of the currently selected entity.");
-
-					if(ImGui.MenuItem("Empty Parent", null, false, !_editor.SelectedEntities.IsEmpty && _editor.AllSelectionsOnSameLevel()))
-					{
-						var commonParent = _editor.World.GetComponent<ParentComponent>(_editor.SelectedEntities.Front);
-
-						var newEntity = _editor.CreateEntityWithTransform();
-
-						if(commonParent != null)
-						{
-							// parent of selected entities is parent of the new entity.
-							// (which is why this doesn't work if the entities don't have the same parent)
-							var newEntityParent = _editor.World.AssignComponent<ParentComponent>(newEntity);
-							newEntityParent.Entity = commonParent.Entity;
-						}
-
-						// new entity is parent of all selected entities.
-						for(var selectedEntity in _editor.SelectedEntities)
-						{
-							var selectedEntityParent = _editor.World.AssignComponent<ParentComponent>(selectedEntity);
-							selectedEntityParent.Entity = newEntity;
-						}
-					}
-					
-					if(ImGui.IsItemHovered())
-						ImGui.SetTooltip("Create a new Entity that is the parent of the currently selected entities.");
-
-					ImGui.EndMenu();
-				}
-
-				if(ImGui.IsItemHovered())
-					ImGui.SetTooltip("Create a new Entity.");
-
-				if(ImGui.MenuItem("Delete", null, false, !_editor.SelectedEntities.IsEmpty) || Input.IsKeyPressed(.Delete))
-				{
-					_editor.DeleteSelectedEntities();
+					DeleteSelectedEntities();
 				}
 
 				if(ImGui.IsItemHovered())
@@ -124,32 +189,157 @@ namespace GlitchyEditor.EditWindows
 			}
 		}
 
+		/// Creates a new entity that is a child of the given entity.
+		private void CreateChild(Entity? entity)
+		{
+			var newEntity = _scene.CreateEntity();
+
+			var transformCmp = newEntity.GetComponent<TransformComponent>();
+			// Last entity in list is the entity that has been selected last.
+			transformCmp.Parent = entity?.Handle ?? .InvalidEntity;
+		}
+		
+		/// Creates a new entity that is a parent of the selected entities.
+		private void CreateParent()
+		{
+			if (_selectedEntities.IsEmpty || !AllSelectionsOnSameLevel())
+			{
+				Log.EngineLogger.Error("Cannot create parent entity.");
+				return;
+			}
+
+			var commonParent = _selectedEntities.Front.GetComponent<TransformComponent>();
+
+			var newEntity = _scene.CreateEntity();
+
+			if(commonParent != null)
+			{
+				// parent of selected entities is parent of the new entity.
+				// (which is why this doesn't work if the entities don't have the same parent)
+				var newEntityTransform = newEntity.GetComponent<TransformComponent>();
+				newEntityTransform.Parent = commonParent.Parent;
+			}
+
+			// new entity is parent of all selected entities.
+			for(var selectedEntity in _selectedEntities)
+			{
+				var selectedTransform = selectedEntity.GetComponent<TransformComponent>();
+				selectedTransform.Parent = newEntity.Handle;
+			}
+		}
+
+		private void Show_ContextMenu_Create(bool allowEmpty = true, bool allowChild = true, bool allowParent = true)
+		{
+			if (ImGui.BeginMenu("Create"))
+			{
+				if (allowEmpty)
+				{
+					if(ImGui.MenuItem("Empty Entity"))
+					{
+						if (_selectedEntities.IsEmpty)
+							_scene.CreateEntity();
+						else
+						{
+							Entity? parent = _selectedEntities.Back.Parent;
+							CreateChild(parent);
+						}
+					}
+
+					if(ImGui.IsItemHovered())
+					{
+						ImGui.SetTooltip("Create a new Entity.");
+					}
+				}
+
+				if (allowChild)
+				{
+					if(ImGui.MenuItem("Empty Child", null, false, !_selectedEntities.IsEmpty))
+					{
+						CreateChild(_selectedEntities.Back);
+					}
+					
+					if(ImGui.IsItemHovered())
+						ImGui.SetTooltip("Create a new Entity that is a child of the selected entity.");
+				}
+
+				if (allowParent)
+				{
+					if(ImGui.MenuItem("Parent", null, false, !_selectedEntities.IsEmpty && AllSelectionsOnSameLevel()))
+					{
+						CreateParent();
+					}
+
+					if(ImGui.IsItemHovered())
+						ImGui.SetTooltip("Create a new Entity that is the parent of the selected entities.");
+				}
+
+				ImGui.EndMenu();
+			}
+
+			if(ImGui.IsItemHovered())
+				ImGui.SetTooltip("Create a new Entity.");
+		}
+
+		private bool Show_ContextMenu_Delete()
+		{
+			bool deleted = false;
+
+			if(ImGui.MenuItem("Delete", null, false, !_selectedEntities.IsEmpty))
+			{
+				DeleteSelectedEntities();
+
+				deleted = true;
+			}
+
+			if(ImGui.IsItemHovered())
+				ImGui.SetTooltip("Deletes the selected Entities and their children.");
+
+			return deleted;
+		}
+
 		private void ImGuiPrintEntityTree(TreeNode<Entity> tree)
 		{
 			String name = null;
 
-			var nameComponent = _editor.World.GetComponent<DebugNameComponent>(tree.Value);
+			var nameComponent = tree.Value.GetComponent<NameComponent>();
 
 			if(nameComponent != null)
 			{
-				name = nameComponent.DebugName;
+				name = scope:: .(nameComponent.Name);
 			}
 			else
 			{
-				name = scope:: $"Entity {(tree.Value.[Friend]Index)}";
+				name = scope:: $"Entity {(tree.Value.Handle.[Friend]Index)}";
 			}
 
-			ImGui.TreeNodeFlags flags = .OpenOnArrow;
+			ImGui.TreeNodeFlags flags = .OpenOnArrow | .DefaultOpen | .SpanAvailWidth;
 
 			if(tree.Children.Count == 0)
 				flags |= .Leaf;
 			
-			bool inSelectedList = _editor.SelectedEntities.Contains(tree.Value);
+			bool inSelectedList = IsEntitySelected(tree.Value);
 			
 			if(inSelectedList)
 				flags |= .Selected;
 
-			bool isOpen = ImGui.TreeNodeEx(name, flags);
+			bool isOpen = ImGui.TreeNodeEx((void*)(uint)tree.Value.Handle.[Friend]Index, flags, $"{name}");
+
+			ImGui.PushID((void*)(uint)tree.Value.Handle.[Friend]Index);
+
+			bool deleted = false;
+
+			if (ImGui.BeginPopupContextItem("treeNodePopup"))
+			{
+				Show_ContextMenu_Create(true, true, true);
+				deleted = Show_ContextMenu_Delete();
+
+				ImGui.EndPopup();
+			}
+
+			ImGui.PopID();
+
+			if (deleted)
+				return;
 
 			if(ImGui.BeginDragDropSource())
 			{
@@ -177,33 +367,34 @@ namespace GlitchyEditor.EditWindows
 					// make sure the dropped entity is not a parent of the entity we dropped it on.
 					while(true)
 					{
-						var walkerParent = _editor.World.GetComponent<ParentComponent>(walker);
+						var parentTransform = walker.GetComponent<TransformComponent>();
 						
-						if(walkerParent == null)
+						if(parentTransform.Parent == .InvalidEntity)
 						{
 							dropLegal = true;
 							break;
 						}
-						else if(walkerParent.Entity == movedEntity)
+						else if(parentTransform.Parent == movedEntity.Handle)
 						{
 							dropLegal = false;
 							break;
 						}
 
-						walker = walkerParent.Entity;
+						walker = .(parentTransform.Parent, _scene);
 					}
 
 					if(dropLegal)
 					{
-						var movedEntityParent = _editor.World.AssignComponent<ParentComponent>(movedEntity);
-						movedEntityParent.Entity = tree.Value;
+						var movedEntityTransform = movedEntity.GetComponent<TransformComponent>();
+						movedEntityTransform.Parent = tree.Value.Handle;
 					}
 				}
 
 				ImGui.EndDragDropTarget();
 			}
 
-			bool clicked = ImGui.IsItemClicked();
+			bool clicked = ImGui.IsItemClicked(.Left);
+			bool clickedRight = ImGui.IsItemClicked(.Right);
 
 			if(isOpen)
 			{
@@ -215,23 +406,18 @@ namespace GlitchyEditor.EditWindows
 				ImGui.TreePop();
 			}
 
-			if(clicked)
+			if (clicked || clickedRight)
 			{
-				if(inSelectedList)
+				if (inSelectedList && !clickedRight)
 				{
-					_editor.SelectedEntities.Remove(tree.Value);
+					DeselectEntity(tree.Value);
+					inSelectedList = false;
 				}
 				else
 				{
-					if(!ImGui.GetIO().KeyCtrl)
-					{
-						_editor.SelectedEntities.Clear();
-					}
-
-					_editor.SelectedEntities.Add(tree.Value);
+					SelectEntity(tree.Value, !ImGui.GetIO().KeyCtrl && !clickedRight);
+					inSelectedList = true;
 				}
-
-				inSelectedList = !inSelectedList;
 			}
 		}
 
@@ -239,34 +425,39 @@ namespace GlitchyEditor.EditWindows
 		{
 			StringView searchString = StringView(&_entitySearchChars);
 
-			if(searchString.Length == 0)
+			if(searchString.IsWhiteSpace)
 			{
 				// Show entity hierarchy as tree
 				
-				TreeNode<Entity> root = scope .(.InvalidEntity);
+				TreeNode<Entity> root = scope .(Entity(.InvalidEntity, _scene));
 
-				TreeNode<Entity> AddEntity(Entity entity)
+				TreeNode<Entity> InsertIntoTree(Entity entity)
 				{
-					var parent = _editor.World.GetComponent<ParentComponent>(entity);
+					var transform = entity.GetComponent<TransformComponent>();
 
-					if(parent == null)
+					if(transform == null)
 					{
 						return root.AddChild(entity);
 					}
 					else
 					{
-						var parentNode = root.FindNode(parent.Entity);
+						var parentEntity = Entity(transform.Parent, _scene);
+
+						var parentNode = root.FindNode(parentEntity);
 
 						if(parentNode == null)
-							parentNode = AddEntity(parent.Entity);
+							parentNode = InsertIntoTree(parentEntity);
 
 						return parentNode.AddChild(entity);
 					}
 				}
 				
-				for(var entity in _editor.World.Enumerate())
+				for(var entityId in _scene.[Friend]_ecsWorld.Enumerate())
 				{
-					AddEntity(entity);
+					Entity entity = .(entityId, _scene);
+
+					//if (!entity.HasComponent<EditorComponent>())
+						InsertIntoTree(entity);
 				}
 				
 				if(ImGui.TreeNodeEx("Scene", .DefaultOpen))
@@ -281,11 +472,10 @@ namespace GlitchyEditor.EditWindows
 
 							Entity movedEntity = *(Entity*)payload.Data;
 
-							_editor.World.RemoveComponent<ParentComponent>(movedEntity);
-
 							// Also mark transform as dirty
-							var transformComponent = _editor.World.GetComponent<TransformComponent>(movedEntity);
-							transformComponent?.IsDirty = true;
+							var transformComponent = movedEntity.GetComponent<TransformComponent>();
+							transformComponent.Parent = .InvalidEntity;
+							//transformComponent?.IsDirty = true;
 						}
 
 						ImGui.EndDragDropTarget();
@@ -307,19 +497,21 @@ namespace GlitchyEditor.EditWindows
 				List<StringView> searchTokens = new:ScopedAlloc! .(searchString.Split(' ', .RemoveEmptyEntries));
 				
 				worldEnumeration:
-				for(var entity in _editor.World.Enumerate())
+				for(var entityId in _scene.[Friend]_ecsWorld.Enumerate())
 				{
-					String name = null;
+					Entity entity = .(entityId, _scene);
 
-					var nameComponent = _editor.World.GetComponent<DebugNameComponent>(entity);
+					StringView name = null;
+
+					var nameComponent = entity.GetComponent<NameComponent>();
 
 					if(nameComponent != null)
 					{
-						name = nameComponent.DebugName;
+						name = nameComponent.Name;
 					}
 					else
 					{
-						name = scope:worldEnumeration $"Entity {entity.[Friend]Index}";
+						name = scope:worldEnumeration $"Entity {entityId.[Friend]Index}";
 					}
 
 					StringView nameView = StringView(name);

GlitchyEditor/src/EditWindows/GameViewportWindow.bf

@@ -0,0 +1,106 @@
+using System;
+using ImGui;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Math;
+using GlitchyEngine;
+using GlitchyEngine.World;
+using ImGuizmo;
+using GlitchyEngine.Events;
+
+namespace GlitchyEditor.EditWindows
+{
+	class GameViewportWindow : EditorWindow
+	{
+		public const String s_WindowTitle = "Game";
+
+		private ImGui.Vec2 _oldViewportSize = .(100, 100);
+		private bool _viewPortChanged;
+
+		private bool _visible;
+
+		private RenderTargetGroup _renderTarget ~ _?.ReleaseRef();
+
+		public Vector2 ViewportSize => (Vector2)_oldViewportSize;
+		// Occurs when the viewport is resized.
+		public Event<EventHandler<Vector2>> ViewportSizeChanged ~ _.Dispose();
+		// Occurs when an entity was clicked.
+		public Event<EventHandler<uint32>> EntityClicked ~ _.Dispose();
+
+		/// The render target that is shown in the viewport window.
+		public RenderTargetGroup RenderTarget
+		{
+			get => _renderTarget;
+			set
+			{
+				if(_renderTarget == value)
+					return;
+
+				SetReference!(_renderTarget, value);
+			}
+		}
+
+		public bool Visible => _visible;
+
+		public this(Editor editor)
+		{
+			_editor = editor;
+		}
+
+		protected override void InternalShow()
+		{
+			ImGui.PushStyleVar(.WindowPadding, ImGui.Vec2(1, 1));
+			defer ImGui.PopStyleVar();
+
+			if(!ImGui.Begin(s_WindowTitle, &_open, .NoScrollbar | .MenuBar))
+			{
+				ImGui.End();
+
+				_visible = false;
+				return;
+			}
+
+			_visible = true;
+
+			let viewportSize = ImGui.GetContentRegionAvail();
+
+			if(ImGui.IsWindowHovered() && Input.IsMouseButtonPressing(.RightButton))
+			{
+				let currentWindow = ImGui.GetCurrentWindow();
+				ImGui.FocusWindow(currentWindow);
+			}
+
+			_hasFocus = ImGui.IsWindowFocused();
+			
+			if(_renderTarget != null)
+			{
+				ImGui.Image(_renderTarget.GetViewBinding(0), viewportSize);
+			}
+
+			ImGui.End();
+
+			if(_oldViewportSize != viewportSize)
+			{
+				ViewportSizeChanged.Invoke(this, (Vector2)viewportSize);
+				_viewPortChanged = true;
+				_oldViewportSize = viewportSize;
+			}
+		}
+
+		/// Provides the ImGui Drop target and handles dropped payload.
+		private void HandleDropTarget()
+		{
+			if (ImGui.BeginDragDropTarget())
+			{
+				ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+				if (payload != null)
+				{
+					StringView path = .((char8*)payload.Data, (int)payload.DataSize);
+					_editor.RequestOpenScene(this, path);
+				}
+
+				ImGui.EndDragDropTarget();
+			}
+		}
+	}
+}

GlitchyEditor/src/EditWindows/PropertiesWindow.bf

@@ -0,0 +1,127 @@
+using ImGui;
+using System;
+using GlitchyEngine.Collections;
+using GlitchyEngine.Content;
+using System.Reflection;
+using GlitchyEngine;
+using GlitchyEditor.Assets;
+
+namespace GlitchyEditor.EditWindows;
+
+class PropertiesWindow : EditorWindow
+{
+	public const String s_WindowTitle = "Properties";
+
+	private AssetPropertiesEditor _currentPropertiesEditor ~ delete _;
+
+	private bool _lockCurrentAsset;
+
+	private bool _selectedNewAsset;
+
+	private append String _selectedFileName = .();
+
+	private AssetHandle _currentAssetHandle;
+
+	public this(Editor editor)
+	{
+		_editor = editor;
+	}
+
+	protected override void InternalShow()
+	{
+		defer { ImGui.End(); }
+		if(!ImGui.Begin(s_WindowTitle, &_open, .None))
+			return;
+
+		// TODO: make a little button in title bar?
+		ImGui.Checkbox("Lock", &_lockCurrentAsset);
+		ImGui.Separator();
+
+		ShowAssetProperties();
+	}
+
+	/// Gets the AssetFile for the asset currently selected in the ContentBrowserWindow
+	/// @returns the AssetFile for the currently selected asset of null, if no file is selected.
+	private AssetFile GetCurrentAssetFile()
+	{
+		// Only grab the currently selected file if we aren't locked
+		if (!_lockCurrentAsset)
+		{
+			StringView selectedInFileBrowser = _editor.ContentBrowserWindow.SelectedFile;
+
+			if (_selectedFileName != selectedInFileBrowser)
+			{
+				_selectedFileName.Set(_editor.ContentBrowserWindow.SelectedFile);
+			}
+		}
+
+		Result<TreeNode<AssetNode>> treeNode = _editor.ContentManager.AssetHierarchy.GetNodeFromPath(_selectedFileName);
+
+		if (treeNode case .Ok(let assetNode))
+			return assetNode->AssetFile;
+		
+		return null;
+	}
+
+	private void ShowAssetProperties()
+	{
+		AssetFile assetFile = GetCurrentAssetFile();
+
+		if (_currentPropertiesEditor?.Asset != assetFile)
+		{
+			delete _currentPropertiesEditor;
+			_currentPropertiesEditor = _editor.ContentManager.GetNewPropertiesEditor(assetFile);
+		}	 
+
+		if (assetFile == null)
+			return;
+		
+		Asset asset = _editor.ContentManager.GetAsset(null, _currentAssetHandle);
+
+		// We need the actual asset for preview and sometimes for editing
+		if (asset?.Identifier != assetFile.Identifier)
+		{
+			_currentAssetHandle = _editor.ContentManager.LoadAsset(assetFile.Identifier);
+		}
+
+		// TODO: allow changing AssetLoader
+		// assetFile.AssetConfig.AssetLoade
+
+		// TODO: ignore file
+		/*ImGui.Checkbox("Ignore", &assetFile.AssetConfig.IgnoreFile);
+		
+		if (ImGui.IsItemHovered())
+			ImGui.SetTooltip("If checked this file will be ignored and not treated as an asset.");*/
+
+		ShowPropertiesEditor(assetFile);
+
+		ImGui.Separator();
+
+		// TODO: preview asset
+	}
+
+	private void ShowPropertiesEditor(AssetFile assetFile)
+	{
+		if (_currentPropertiesEditor == null)
+			return;
+		
+		_currentPropertiesEditor.ShowEditor();
+		
+		if (ImGui.Button("Save Asset"))
+		{
+			Asset asset = _editor.ContentManager.GetAsset(null, _currentAssetHandle);
+			_editor.ContentManager.SaveAsset(asset);
+		}
+
+		if (!assetFile.AssetConfig.Config.Changed)
+		{
+			ImGui.BeginDisabled();
+			defer:: { ImGui.EndDisabled(); }
+		}
+		
+		ImGui.Separator();
+
+		if (ImGui.Button("Apply"))
+			assetFile.SaveAssetConfig();
+	}
+}

GlitchyEditor/src/EditWindows/SceneViewportWindow.bf

@@ -1,130 +0,0 @@
-using System;
-using ImGui;
-using GlitchyEngine.Renderer;
-using GlitchyEngine.Math;
-using GlitchyEngine;
-using GlitchyEngine.World;
-using ImGuizmo;
-
-namespace GlitchyEditor.EditWindows
-{
-	class SceneViewportWindow
-	{
-		private Editor _editor;
-		public Camera _camera;
-
-		public const String s_WindowTitle = "Scene";
-
-		private bool _open = true;
-
-		private RenderTarget2D _renderTarget ~ _?.ReleaseRef();
-
-		private bool _hasFocus;
-
-		public Event<EventHandler<Vector2>> ViewportSizeChangedEvent ~ _.Dispose();
-
-		public bool Open
-		{
-			get => _open;
-			set => _open = value;
-		}
-
-		public bool HasFocus
-		{
-			get => _hasFocus;
-		}
-
-		public RenderTarget2D RenderTarget
-		{
-			get => _renderTarget;
-			set
-			{
-				if(_renderTarget == value)
-					return;
-
-				SetReference!(_renderTarget, value);
-			}
-		}
-
-		public this(Editor editor)
-		{
-			_editor = editor;
-		}
-
-		private ImGui.Vec2 oldViewportSize;
-		private bool viewPortChanged;
-
-		public void Show()
-		{
-			if(!_open)
-				return;
-			
-			ImGui.PushStyleVar(.WindowPadding, ImGui.Vec2(1, 1));
-			defer ImGui.PopStyleVar();
-
-			if(!ImGui.Begin(s_WindowTitle, &_open, .NoScrollbar))
-			{
-				ImGui.End();
-				return;
-			}
-
-			if(ImGui.IsWindowHovered() && Input.IsMouseButtonPressing(.RightButton))
-			{
-				var currentWindow = ImGui.GetCurrentWindow();
-				ImGui.FocusWindow(currentWindow);
-			}
-
-			_hasFocus = ImGui.IsWindowFocused();
-
-			var viewportSize = ImGui.GetContentRegionAvail();
-
-			if(_renderTarget != null)
-			{
-				ImGui.Image(_renderTarget, viewportSize);
-			}
-
-			if(_editor.SelectedEntities.Count > 0)
-			{
-				ImGuizmo.SetDrawlist();
-
-				var entity = _editor.SelectedEntities.Back;
-
-				var transformCmp = _editor.World.GetComponent<TransformComponent>(entity);
-
-				var transform = transformCmp.LocalTransform;
-
-				var view = _camera.View;
-				var projection = _camera.Projection;
-
-				var v = ImGui.GetWindowPos();
-				var cntMin = ImGui.GetWindowContentRegionMin();
-
-				v.x += cntMin.x;
-				v.y += cntMin.y;
-				
-				ImGuizmo.SetRect(v.x, v.y, viewportSize.x, viewportSize.y);
-
-				Color c = .(0,0,0,255);
-				
-				//ImGuizmo.DrawCubes((.)&view, (.)&projection, (.)&transform, 1);
-				ImGuizmo.Manipulate((.)&view, (.)&projection, .TRANSLATE, .LOCAL, (.)&transform);
-
-				Matrix mat = .Identity;
-
-				ImGuizmo.DrawGrid((.)&view, (.)&projection, (.)&mat, 10);
-
-				transformCmp.LocalTransform = transform;
-				//ImGuizmo.ViewManipulate((.)&view, , .TRANSLATE, .LOCAL, (.)&transform);
-			}
-			
-			ImGui.End();
-
-			if(oldViewportSize != viewportSize)
-			{
-				ViewportSizeChangedEvent.Invoke(this, *(Vector2*)&oldViewportSize);
-				viewPortChanged = true;
-				oldViewportSize = viewportSize;
-			}
-		}
-	}
-}

GlitchyEditor/src/Editor.bf

@@ -4,111 +4,80 @@ using System;
 using System.Collections;
 using GlitchyEngine.Collections;
 using GlitchyEditor.EditWindows;
+using GlitchyEngine;
+using GlitchyEditor.Assets;
 
 namespace GlitchyEditor
 {
 	class Editor
 	{
-		private EcsWorld _world;
+		private Scene _scene;
 
-		private EntityHierarchyWindow _entityHierarchyWindow = new .(this) ~ delete _;
-		private ComponentEditWindow _componentEditWindow = new .(this) ~ delete _;
-		private SceneViewportWindow _sceneViewportWindow = new .(this) ~ delete _;
+		private EditorContentManager _contentManager;
 
-		private List<Entity> _selectedEntities = new .() ~ delete _;
+		private EntityHierarchyWindow _entityHierarchyWindow ~ delete _;
+		private ComponentEditWindow _componentEditWindow ~ delete _;
+		private EditorViewportWindow _sceneViewportWindow ~ delete _;
+		private GameViewportWindow _gameViewportWindow ~ delete _;
+		private ContentBrowserWindow _contentBrowserWindow ~ delete _;
+		private PropertiesWindow _propertiesWindow ~ delete _;
 
-		public EcsWorld World => _world;
+		public Scene CurrentScene
+		{
+			get => _scene;
+			set
+			{
+				if (_scene == value)
+					return;
 
-		public List<Entity> SelectedEntities => _selectedEntities;
+				_scene = value;
+				_entityHierarchyWindow.SetContext(_scene);
+			}
+		}
+
+		public EditorContentManager ContentManager => _contentManager;
 		
 		public EntityHierarchyWindow EntityHierarchyWindow => _entityHierarchyWindow;
 		public ComponentEditWindow ComponentEditWindow => _componentEditWindow;
-		public SceneViewportWindow SceneViewportWindow => _sceneViewportWindow;
+		public EditorViewportWindow SceneViewportWindow => _sceneViewportWindow;
+		public GameViewportWindow GameViewportWindow => _gameViewportWindow;
+		public ContentBrowserWindow ContentBrowserWindow => _contentBrowserWindow;
+		public PropertiesWindow PropertiesWindow => _propertiesWindow;
+
+		public EditorCamera* CurrentCamera { get; set; }
+
+		public Event<EventHandler<StringView>> RequestOpenScene ~ _.Dispose();
+
+		public SceneRenderer GameSceneRenderer {get; set;}
+		public SceneRenderer EditorSceneRenderer {get; set;}
 
 		/// Creates a new editor for the given world
-		public this(EcsWorld world)
+		public this(Scene scene, EditorContentManager contentManager)
 		{
-			_world = world;
+			_scene = scene;
+			_contentManager = contentManager;
+
+			InitWindows();
+		}
+
+		private void InitWindows()
+		{
+			_sceneViewportWindow = new EditorViewportWindow(this);
+			_gameViewportWindow = new GameViewportWindow(this);
+			_entityHierarchyWindow = new EntityHierarchyWindow(this, _scene);
+			_componentEditWindow = new ComponentEditWindow(_entityHierarchyWindow);
+			_contentBrowserWindow = new ContentBrowserWindow((.)Application.Get().ContentManager);
+			_propertiesWindow = new PropertiesWindow(this);
 		}
 
 		public void Update()
 		{
+			_sceneViewportWindow.Show();
+			_gameViewportWindow.Show();
 			_entityHierarchyWindow.Show();
 			_componentEditWindow.Show();
-			_sceneViewportWindow.Show();
+			_contentBrowserWindow.Show();
+			_propertiesWindow.Show();
 		}
-
-		/// Creates a new entity with a transform component.
-		internal Entity CreateEntityWithTransform()
-		{
-			var entity = _world.NewEntity();
-
-			var transformComponent = ref *_world.AssignComponent<TransformComponent>(entity);
-			transformComponent = TransformComponent();
-
-			var nameComponent = ref *_world.AssignComponent<DebugNameComponent>(entity);
-			nameComponent.SetName("Entity");
-
-			return entity;
-		}
-
-		
-		/// Returns whether or not all selected entities have the same parent.
-		internal bool AllSelectionsOnSameLevel()
-		{
-			Entity? parent = .InvalidEntity;
-
-			for(var selectedEntity in _selectedEntities)
-			{
-				var parentComponent = _world.GetComponent<ParentComponent>(selectedEntity);
-
-				if(parent == .InvalidEntity)
-				{
-					parent = parentComponent?.Entity;
-				}
-				else if(parentComponent?.Entity != parent)
-				{
-					return false;
-				}
-			}
-
-			return true;
-		}
-
-		/// Finds all children of the given entity and stores their IDs in the given list.
-		internal void FindChildren(Entity entity, List<Entity> entities)
-		{
-			for(var (child, childParent) in _world.Enumerate<ParentComponent>())
-			{
-				if(childParent.Entity == entity)
-				{
-					if(!entities.Contains(child))
-						entities.Add(child);
-
-					FindChildren(child, entities);
-				}
-			}
-		}
-
-		/// Deletes all selected entities and their children.
-		internal void DeleteSelectedEntities()
-		{
-			List<Entity> entities = scope .();
-
-			for(var entity in _selectedEntities)
-			{
-				entities.Add(entity);
-
-				FindChildren(entity, entities);
-			}
-
-			for(var entity in entities)
-			{
-				_world.RemoveEntity(entity);
-			}
-
-			_selectedEntities.Clear();
-		}
-
 	}
 }

GlitchyEditor/src/EditorApp.bf

@@ -1,13 +1,41 @@
 using System;
 using GlitchyEngine;
+using GlitchyEngine.Content;
+using GlitchyEditor.Assets;
 
 namespace GlitchyEditor
 {
 	class EditorApp : Application
 	{
+		EditorContentManager _contentManager;
+
 		public this()
 		{
-			PushLayer(new EditorLayer());
+			PushLayer(new EditorLayer(_contentManager));
+		}
+
+		protected override IContentManager InitContentManager()
+		{
+			_contentManager = new EditorContentManager();
+			_contentManager.RegisterAssetLoader<EditorTextureAssetLoader>();
+			_contentManager.SetAsDefaultAssetLoader<EditorTextureAssetLoader>(".png", ".dds");
+			_contentManager.SetAssetPropertiesEditor<EditorTextureAssetLoader>(=> TextureAssetPropertiesEditor.Factory);
+			
+			_contentManager.RegisterAssetLoader<ModelAssetLoader>();
+			_contentManager.SetAsDefaultAssetLoader<ModelAssetLoader>(".glb", ".gltf");
+			_contentManager.SetAssetPropertiesEditor<ModelAssetLoader>(=> ModelAssetPropertiesEditor.Factory);
+			
+			_contentManager.RegisterAssetLoader<MaterialAssetLoader>();
+			_contentManager.SetAsDefaultAssetLoader<MaterialAssetLoader>(".mat");
+			_contentManager.SetAssetPropertiesEditor<MaterialAssetLoader>(=> MaterialAssetPropertiesEditor.Factory);
+			
+			_contentManager.RegisterAssetLoader<EffectAssetLoader>();
+			_contentManager.SetAsDefaultAssetLoader<EffectAssetLoader>(".hlsl");
+			_contentManager.SetAssetPropertiesEditor<EffectAssetLoader>(=> EffectAssetPropertiesEditor.Factory);
+
+			_contentManager.SetContentDirectory("./content");
+
+			return _contentManager;
 		}
 
 		[Export, LinkName("CreateApplication")]

GlitchyEditor/src/EditorContentManager.bf

@@ -0,0 +1,639 @@
+using System;
+using System.IO;
+using GlitchyEngine.Collections;
+using System.Collections;
+using GlitchyEngine.Renderer;
+using System.Threading;
+using GlitchyEngine.Content;
+using GlitchyEditor.Assets;
+using GlitchyEngine;
+using System.Linq;
+using System.Threading.Tasks;
+using internal GlitchyEngine.Content.Asset;
+
+namespace GlitchyEditor;
+
+class EditorContentManager : IContentManager
+{
+	private append String _contentDirectory = .();
+
+	public StringView ContentDirectory => _contentDirectory;
+	
+	//private append List<String> _identifiers = .() ~ _.ClearAndDeleteItems();
+
+	private append Dictionary<StringView, AssetHandle> _identiferToHandle = .(); // TODO: Check if all resources are unloaded
+
+	private append Dictionary<AssetHandle, Asset> _handleToAsset = .();
+
+	private append AssetHierarchy _assetHierarchy = .(this);
+
+	public AssetHierarchy AssetHierarchy => _assetHierarchy;
+
+	private append List<AssetHandle> _reloadQueue = .();
+
+	public this()
+	{
+		_assetHierarchy.OnFileContentChanged.Add(new => OnFileContentChanged);
+		_assetHierarchy.OnFileRenamed.Add(new => OnFileRenamed);
+	}
+
+	public ~this()
+	{
+		UnmanageAllAssets();
+	}
+
+	private void OnFileContentChanged(AssetNode assetNode)
+	{
+		// Asset isn't loaded so we don't need to reload it.
+		if (assetNode.AssetFile.LoadedAsset == null)
+			return;
+
+		_reloadQueue.Add(assetNode.AssetFile.LoadedAsset.Handle);
+	}
+	
+	public void OnFileRenamed(AssetNode assetNode, StringView oldIdentifier)
+	{
+		// Asset isn't loaded so we don't need to reload it.
+		if (assetNode.AssetFile.LoadedAsset == null)
+			return;
+
+		Asset asset = assetNode.AssetFile.LoadedAsset;
+
+		_identiferToHandle.Remove(oldIdentifier);
+		asset.Identifier = assetNode.AssetFile.Identifier;
+		_identiferToHandle.Add(asset.Identifier, asset.Handle);
+	}
+
+	public void SetContentDirectory(StringView contentDirectory)
+	{
+		_contentDirectory.Clear();
+		_contentDirectory.Append(contentDirectory);
+		Path.Fixup(_contentDirectory);
+
+		_assetHierarchy.SetContentDirectory(contentDirectory);
+	}
+
+	public void Update()
+	{
+		SwapInLoadedAssets();
+
+		if (!_reloadQueue.IsEmpty)
+		{
+			for (AssetHandle handle in _reloadQueue)
+			{
+				ReloadAsset(handle);
+			}
+			_reloadQueue.Clear();
+		}
+
+		_assetHierarchy.Update();
+	}
+
+	/// Replaces placeholders with the loaded assets
+	private void SwapInLoadedAssets()
+	{
+		// Don't take the lock if we have nothing to do.
+		if (_finishedEntries.Count == 0)
+			return;
+
+		using (_finishedEntriesLock.Enter())
+		{
+			while (_finishedEntries.Count > 0)
+			{
+				let (placeholder, asset) = _finishedEntries[0];
+
+				delete placeholder.LoadingTask;
+
+				if (asset == null)
+					placeholder.PlaceholderType = .Error;
+				else
+				{
+					// TODO: I'm not sure whether AssetFiles are guaranteed to persist.
+					// Get the reference here because placeholder wont survive SwapAsset.
+					AssetFile file = placeholder.AssetFile;
+					file.[Friend]_loadedAsset = asset;
+
+					SwapAsset(placeholder, asset);
+					// SwapAsset increases RefCount, but this scope also holds a reference.
+					asset.ReleaseRef();
+				}
+
+				_finishedEntries.RemoveAtFast(0);
+			}
+		}
+	}
+
+	public IAssetLoader GetDefaultAssetLoader(StringView fileExtension)
+	{
+		if (_defaultAssetLoaders.TryGetValue(fileExtension, let value))
+			return value;
+
+		return null;
+	}
+	private append List<String> _supportedExtensions = .() ~ ClearAndDeleteItems!(_);
+	private append List<IAssetLoader> _assetLoaders = .() ~ ClearAndDeleteItems!(_);
+	private append Dictionary<StringView, IAssetLoader> _defaultAssetLoaders = .();
+	private append Dictionary<String, function AssetPropertiesEditor(AssetFile)> _assetPropertiesEditors = .() ~ {
+		for (String key in _.Keys)
+		{
+			delete key;
+		}
+	};
+
+	public void RegisterAssetLoader<T>() where T : new, class, IAssetLoader
+	{
+		// Log.EngineLogger.AssertDebug(!_assetLoaders.Any((l) => l.GetType() == typeof(T)), "Asset loader already registered.");
+
+		T assetLoader = new T();
+
+		_assetLoaders.Add(assetLoader);
+
+		for (StringView ext in T.FileExtensions)
+			_supportedExtensions.Add(new String(ext));
+	}
+
+	public void SetAsDefaultAssetLoader<T>(params Span<StringView> fileExtensions) where T : IAssetLoader
+	{
+		for (var ext in fileExtensions)
+		{
+			// Find file extension in registered file extensions
+			String foundExtension = null;
+
+			for (var supportedExt in _supportedExtensions)
+			{
+				if (supportedExt == ext)
+				{
+					foundExtension = supportedExt;
+					break;
+				}
+			}
+
+			Log.EngineLogger.Assert(foundExtension != null, "File Extension is not registered.");
+			
+			for (var loader in _assetLoaders)
+			{
+				if (loader.GetType() == typeof(T))
+				{
+					_defaultAssetLoaders[foundExtension] = loader;
+					break;
+				}
+			}
+		}
+	}
+	
+	public void SetAssetPropertiesEditor(Type assetLoaderType, function AssetPropertiesEditor(AssetFile) editorFactory)
+	{
+		String loaderTypeName = new String();
+		assetLoaderType.GetName(loaderTypeName);
+
+		_assetPropertiesEditors[loaderTypeName] = editorFactory;
+	}
+
+	public void SetAssetPropertiesEditor<TAssetLoader>(function AssetPropertiesEditor(AssetFile) editorFactory) where TAssetLoader : IAssetLoader
+	{
+		SetAssetPropertiesEditor(typeof(TAssetLoader), editorFactory);
+	}
+
+	public AssetPropertiesEditor GetNewPropertiesEditor(AssetFile assetFile)
+	{
+		if (assetFile?.AssetConfig.AssetLoader == null)
+			return null;
+
+		if (_assetPropertiesEditors.TryGetValue(assetFile.AssetConfig.AssetLoader, let propertiesEditorfactory))
+			return propertiesEditorfactory(assetFile);
+
+		return null;
+	}
+
+	public bool IsLoaded(StringView identifier)
+	{
+		return _identiferToHandle.ContainsKey(identifier);
+	}
+
+	public Asset GetAsset(Type assetType, AssetHandle handle)
+	{
+		Asset asset = null;
+
+		_handleToAsset.TryGetValue(handle, out asset);
+
+		if (var placeholder = asset as PlaceholderAsset)
+		{
+			if (placeholder.PlaceholderType == .Loading)
+				return placeholder.AssetLoader.GetPlaceholderAsset(assetType);
+			else if (placeholder.PlaceholderType == .Error)
+				return placeholder.AssetLoader.GetErrorAsset(assetType);
+		}
+
+		if (assetType == null)
+		{
+			return asset;
+		}
+		else if (asset?.GetType().IsSubtypeOf(assetType) ?? false)
+		{
+			return asset;
+		}
+		else
+		{
+			// TODO: get default asset
+
+			return null;
+		}
+	}
+
+	private void ReloadAsset(AssetHandle handle)
+	{
+		Debug.Profiler.ProfileResourceFunction!();
+		
+		Asset oldAsset = null;
+
+		if (!_handleToAsset.TryGetValue(handle, out oldAsset))
+		{
+			Log.EngineLogger.Error("Can't reload! No asset exists for handle.");
+
+			return;
+		}
+
+		Log.EngineLogger.AssertDebug(oldAsset != null);
+
+		StringView oldIdentifier = oldAsset.Identifier;
+
+		GetResourceAndSubassetName(oldIdentifier, let resourceName, let subassetName);
+		
+		String filePath = scope .();
+		GetResourceFilePath(resourceName, filePath);
+
+		Result<TreeNode<AssetNode>> resultNode = AssetHierarchy.GetNodeFromPath(filePath);
+
+		if (resultNode case .Err)
+		{
+			Log.EngineLogger.Error($"Could not find asset \"{filePath}\".");
+			return;
+		}
+
+		AssetFile file = resultNode->Value.AssetFile;
+		
+		IAssetLoader assetLoader = GetAssetLoader(file);
+
+		Stream stream = GetStream(filePath);
+
+		// TODO: Add async loading!
+		Asset loadedAsset = assetLoader.LoadAsset(stream, file.AssetConfig.Config, resourceName, subassetName, this);
+
+		delete stream;
+
+		if (loadedAsset == null)
+			return;
+		
+		file.[Friend]_loadedAsset = loadedAsset;
+
+		SwapAsset(oldAsset, loadedAsset);
+		// SwapAsset increases RefCount, but this scope also holds a reference.
+		loadedAsset.ReleaseRef();
+	}
+
+	/// Returns the resource name and, if it exists, the subasset name.
+	private void GetResourceAndSubassetName(StringView identifier, out StringView resourceName, out StringView? subassetName)
+	{
+		int poundIndex = identifier.IndexOf('#');
+
+		resourceName = (poundIndex != -1) ? identifier.Substring(0, poundIndex) : identifier;
+		subassetName = (poundIndex != -1) ? identifier.Substring(poundIndex + 1) : null;
+	}
+
+	private void GetResourceFilePath(StringView resourceName, String filePath)
+	{
+		Path.Combine(filePath, _contentDirectory, resourceName);
+
+		Path.Fixup(filePath);
+	}
+
+	private enum PlaceholderType
+	{
+		Loading,
+		Error
+	}
+
+	private class PlaceholderAsset : Asset
+	{
+		public AssetFile AssetFile {get; private set;}
+		public Task LoadingTask {get;set;}
+		public IAssetLoader AssetLoader {get; private set;}
+		public PlaceholderType PlaceholderType {get; set;}
+
+		public this(AssetFile assetFile, IAssetLoader assetLoader, PlaceholderType placeholderType)
+		{
+			AssetFile = assetFile;
+			AssetLoader = assetLoader;
+			PlaceholderType = placeholderType;
+		}
+	}
+
+	private append Monitor _finishedEntriesLock = .();
+	private append List<(PlaceholderAsset placeholder, Asset newAsset)> _finishedEntries = .();
+
+	private class MissingAsset : Asset {}
+
+	public AssetHandle LoadAsset(StringView identifier, bool blocking = false)
+	{
+		Debug.Profiler.ProfileResourceFunction!();
+		
+		// Todo: How strict should we be on paths?
+		String fixedIdentifier = scope String(identifier);
+		AssetIdentifier.Fixup(fixedIdentifier);
+
+		if (_identiferToHandle.TryGetValue(fixedIdentifier, let asset))
+			return asset;
+
+		GetResourceAndSubassetName(fixedIdentifier, let resourceName, let subassetName);
+
+		String filePath = scope .();
+		GetResourceFilePath(resourceName, filePath);
+
+		Result<TreeNode<AssetNode>> resultNode = AssetHierarchy.GetNodeFromPath(filePath);
+
+		if (resultNode case .Err)
+		{
+			Log.EngineLogger.Error($"Could not find asset \"{filePath}\".");
+			return .Invalid;
+		}
+
+		AssetFile file = resultNode->Value.AssetFile;
+		
+		IAssetLoader assetLoader = GetAssetLoader(file);
+
+		// TODO: what are we supposed to do if we don't find a loader? Sure not crash...
+		Log.EngineLogger.AssertDebug(assetLoader != null);
+
+		Asset loadedAsset;
+
+		// TODO: Support lazy loading for all asset types
+		if (!(assetLoader is EditorTextureAssetLoader) || blocking)
+		{
+			Stream stream = GetStream(filePath);
+
+			loadedAsset = assetLoader.LoadAsset(stream, file.AssetConfig.Config, resourceName, subassetName, this);
+
+			delete stream;
+
+			if (loadedAsset == null)
+				return .Invalid;
+		}
+		else
+		{
+			PlaceholderAsset placeholder = new PlaceholderAsset(file, assetLoader, .Loading);
+
+			String filePath2 = new String(filePath);
+			String newResourceName = new String(resourceName);
+			String newSesourceName = subassetName == null ? null : new String(subassetName.Value);
+
+			placeholder.LoadingTask = new Task(new () => {
+				AsyncLoadAsset(placeholder, filePath2, assetLoader, file,
+					newResourceName, newSesourceName);
+			});
+
+			ThreadPool.QueueUserWorkItem(placeholder.LoadingTask);
+
+			loadedAsset = placeholder;
+		}
+
+		loadedAsset.Identifier = fixedIdentifier;
+		AssetHandle handle = ManageAsset(loadedAsset);
+		// ManageAsset increases RefCount, but this scope also holds a reference.
+		loadedAsset.ReleaseRef();
+
+		// Add to Identifier -> Handle map
+		_identiferToHandle.Add(loadedAsset.Identifier, handle);
+
+		file.[Friend]_loadedAsset = loadedAsset;
+
+		return handle;
+	}
+
+	private void AsyncLoadAsset(PlaceholderAsset placeholder, String filePath, IAssetLoader assetLoader, AssetFile file, String resourceName, String subassetName)
+	{
+		Debug.Profiler.ProfileResourceFunction!();
+		
+		Stream stream = GetStream(filePath);
+
+		Asset loadedAsset = assetLoader.LoadAsset(stream, file.AssetConfig.Config, resourceName, subassetName, this);
+
+		delete stream;
+		delete filePath;
+		delete resourceName;
+		delete subassetName;
+
+		using (_finishedEntriesLock.Enter())
+		{
+			_finishedEntries.Add((placeholder, loadedAsset));
+		}
+	}
+
+	/// Gets the asset loader that has to be used for the given file.
+	IAssetLoader GetAssetLoader(AssetFile file)
+	{
+		IAssetLoader assetLoader = null;
+
+		String loaderTypeName = scope .(128);
+
+		for (IAssetLoader loader in _assetLoaders)
+		{
+			loader.GetType().GetName(loaderTypeName..Clear());
+
+			if (loaderTypeName == file.AssetConfig.AssetLoader)
+			{
+				assetLoader = loader;
+				break;
+			}
+		}
+
+		return assetLoader;
+	}
+
+	public enum SaveAssetError
+	{
+		case Unknown;
+		case Unsavable;
+		case PathNotFound;
+	}
+
+	/// Saves the asset.
+	public Result<void, SaveAssetError> SaveAsset(Asset asset)
+	{
+		if (asset == null)
+			return .Err(.Unknown);
+
+		if (asset.Identifier.IsWhiteSpace)
+			return .Err(.Unsavable);
+
+		GetResourceAndSubassetName(asset.Identifier, let resourceName, let subassetName);
+
+		if (subassetName != null)
+		{
+			// TODO: should this ever be allowed? Couldn't we just save the entire asset?
+			// Would this ever be necessary?
+			Runtime.NotImplemented("Saving subassets is not currently allowed");
+		}
+
+		String filePath = scope String();
+		GetResourceFilePath(resourceName, filePath);
+
+		Result<TreeNode<AssetNode>> assetNode = AssetHierarchy.GetNodeFromPath(filePath);
+
+		if (assetNode case .Err)
+			return .Err(.PathNotFound);
+
+		AssetFile file = assetNode.Get()->AssetFile;
+
+		IAssetLoader assetLoader = GetAssetLoader(file);
+
+		IAssetSaver assetSaver = assetLoader as IAssetSaver;
+
+		if (assetSaver == null)
+		{
+			Log.EngineLogger.Error("The asset loader can't save!");
+			return .Err(.Unsavable);
+		}
+
+		Stream stream = OpenStream(filePath, false);
+
+		assetSaver.EditorSaveAsset(stream, asset, file.AssetConfig.Config, resourceName, subassetName, this);
+
+		// Trim off the end of the file.
+		stream.SetLength(stream.Position);
+
+		delete stream;
+
+		return .Ok;
+	}
+
+	private Stream OpenStream(StringView assetIdentifier, bool openOnly)
+	{
+		var assetIdentifier;
+
+		if (!assetIdentifier.StartsWith(_contentDirectory))
+		{
+			String filePath = scope:: String(assetIdentifier.Length + _contentDirectory.Length + 2);
+			Path.Combine(filePath, _contentDirectory, assetIdentifier);
+
+			assetIdentifier = filePath;
+		}
+
+		FileStream fs = new FileStream();
+
+		FileMode fileMode = openOnly ? FileMode.Open : FileMode.OpenOrCreate;
+
+		var result = fs.Open(assetIdentifier, fileMode, openOnly ? .Read : .ReadWrite, .ReadWrite);
+
+		if (result case .Err)
+			return null;
+
+		return fs;
+	}
+
+	// TODO: probably not needed
+	public Stream GetStream(StringView assetIdentifier)
+	{
+		return OpenStream(assetIdentifier, true);
+
+		/*var assetIdentifier;
+
+		if (!assetIdentifier.StartsWith(_contentDirectory))
+		{
+			String filePath = scope:: String(assetIdentifier.Length + _contentDirectory.Length + 2);
+			Path.Combine(filePath, _contentDirectory, assetIdentifier);
+
+			assetIdentifier = filePath;
+		}
+
+		FileStream fs = new FileStream();
+		var result = fs.Open(assetIdentifier, .Open, .Read, .ReadWrite);
+
+		if (result case .Err)
+			return null;
+
+		return fs;*/
+	}
+
+	public AssetHandle ManageAsset(Asset asset)
+	{
+		Log.EngineLogger.AssertDebug(asset.Handle == .Invalid, "Asset is already managed.");
+		Log.EngineLogger.AssertDebug(asset.ContentManager == null, "Asset is already managed.");
+
+		AssetHandle handle = .();
+
+		// Generate until we find a unique key (shouldn't happen too often)
+		while (handle.IsInvalid || _handleToAsset.ContainsKey(handle))
+		{
+			handle = .();
+			Log.EngineLogger.Trace("Handle was invalid or already taken.");
+			// TODO: perhaps test how often this happens.
+			// If this happens too often we could use a different random generator
+		}
+
+		//_handles.Add(asset.Identifier, handle);
+		_handleToAsset.Add(handle, asset);
+
+		asset.[Friend]_contentManager = this;
+		asset.[Friend]_handle = handle;
+		asset.AddRef();
+
+		return handle;
+	}
+
+	private void SwapAsset(Asset oldAsset, Asset newAsset)
+	{
+		newAsset.Identifier = oldAsset.Identifier;
+		newAsset._contentManager = this;
+		newAsset._handle = oldAsset.Handle;
+
+		_handleToAsset[oldAsset.Handle] = newAsset;
+
+		if (_identiferToHandle.ContainsKey(oldAsset.Identifier))
+		{
+			_identiferToHandle.Remove(oldAsset.Identifier);
+			_identiferToHandle.Add(newAsset.Identifier, newAsset.Handle);
+		}
+
+		newAsset.AddRef();
+		oldAsset.ReleaseRef();
+	}
+
+	public void UnmanageAsset(AssetHandle handle)
+	{
+		Log.EngineLogger.AssertDebug(_handleToAsset.ContainsKey(handle), "Handle doesn't correspond to an asset.");
+
+		Asset asset = _handleToAsset[handle];
+
+		if (_identiferToHandle.ContainsKey(asset.Identifier))
+			_identiferToHandle.Remove(asset.Identifier);
+
+		_handleToAsset.Remove(handle);
+		asset.[Friend]_contentManager = null;
+
+		asset.ReleaseRef();
+	}
+
+	/// This will unregister all assets from this content manager.
+	/// Note: This will not release any assets.
+	private void UnmanageAllAssets()
+	{
+		for (let (handle, _) in _handleToAsset)
+		{
+			UnmanageAsset(handle);
+		}
+	}
+
+	public void AssetMoved(Asset asset, StringView oldIdentifier, StringView newIdentifier)
+	{
+		Runtime.NotImplemented();
+
+		if (oldIdentifier == newIdentifier)
+			return;
+
+		Log.EngineLogger.Assert(_identiferToHandle.ContainsKey(newIdentifier), "An asset with the same identifier is already managed by this content manager.");
+
+		// Since all we do in order to track assets is add them to a dictionary we can simply unmanage and manage it again.
+		//UnmanageAsset(asset);
+		//ManageAsset(asset);
+	}
+}

GlitchyEditor/src/EditorIcons.bf

@@ -0,0 +1,61 @@
+using System;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Math;
+using GlitchyEngine;
+using GlitchyEngine.Content;
+
+namespace GlitchyEditor
+{
+	class EditorIcons : RefCounted
+	{
+		AssetHandle<Texture2D> _texture;
+
+		public SubTexture2D DirectionalLight ~ _.ReleaseRef();
+		public SubTexture2D Camera ~ _.ReleaseRef();
+		public SubTexture2D Folder ~ _.ReleaseRef();
+		public SubTexture2D File ~ _.ReleaseRef();
+		public SubTexture2D Play ~ _.ReleaseRef();
+		public SubTexture2D Stop ~ _.ReleaseRef();
+		public SubTexture2D Simulate ~ _.ReleaseRef();
+		public SubTexture2D Pause ~ _.ReleaseRef();
+
+		public SamplerState SamplerState
+		{
+			get => _texture.Get().SamplerState;
+			set => _texture.Get().SamplerState = value;
+		}
+
+		public this(String texturePath, Vector2 iconSize)
+		{
+			_texture = Content.LoadAsset(texturePath, null, true);
+			
+			Vector2 pen = .();
+
+			DirectionalLight = GetNextGridTexture(ref pen, iconSize);
+			Camera = GetNextGridTexture(ref pen, iconSize);
+			Folder = GetNextGridTexture(ref pen, iconSize);
+			File = GetNextGridTexture(ref pen, iconSize);
+			Play = GetNextGridTexture(ref pen, iconSize);
+			Stop = GetNextGridTexture(ref pen, iconSize);
+			Simulate = GetNextGridTexture(ref pen, iconSize);
+			Pause = GetNextGridTexture(ref pen, iconSize);
+		}
+
+		private SubTexture2D GetNextGridTexture(ref Vector2 pen, Vector2 iconSize)
+		{
+			SubTexture2D subTexture = .CreateFromGrid(_texture, pen, iconSize);
+
+			pen.X += 1.0f;
+
+			if (pen.X >= (_texture.Width / iconSize.X))
+			{
+				pen.X = 0;
+				pen.Y += 1.0f;
+			}
+
+			Log.EngineLogger.AssertDebug(pen.Y <=(_texture.Height / iconSize.Y));
+
+			return subTexture;
+		}
+	}
+}

GlitchyEditor/src/EditorLayer.bf

@@ -7,43 +7,108 @@ using GlitchyEngine.ImGui;
 using GlitchyEngine.Math;
 using GlitchyEngine.Renderer;
 using GlitchyEngine.World;
+using GlitchyEngine.Content;
+using System.Collections;
+using GlitchyEngine.Renderer.Animation;
+using System.IO;
+using GlitchyEngine.Core;
+using GlitchyEditor.Assets;
 
 namespace GlitchyEditor
 {
 	class EditorLayer : Layer
 	{
+		enum SceneState
+		{
+			Edit,
+			Play,
+			Simulate
+		}
+
 		RasterizerState _rasterizerState ~ _?.ReleaseRef();
 		RasterizerState _rasterizerStateClockWise ~ _?.ReleaseRef();
 
-		GraphicsContext _context ~ _?.ReleaseRef();
-		DepthStencilTarget _swapchainDepthBuffer ~ _?.ReleaseRef();
+		// TODO: we shouldn't hold a reference to the context
+		GraphicsContext _context ~ _.ReleaseRef();
 		
-		BlendState _alphaBlendState ~ _?.ReleaseRef();
-		BlendState _opaqueBlendState ~ _?.ReleaseRef();
+		BlendState _alphaBlendState ~ _.ReleaseRef();
+		BlendState _opaqueBlendState ~ _.ReleaseRef();
+		DepthStencilState _depthStencilState ~ _.ReleaseRef();
 
-		EcsWorld _world = new EcsWorld() ~ delete _;
+		/// Reference to the scene that is currently being played and worked on.
+		Scene _activeScene ~ _?.ReleaseRef();
+		
+		/**
+		 * Referece to the editor scene.
+		 * We hold a reference to the editor scene because we need it in order
+		 * to restore the original state once we stop the game/simulation.
+		 * Before starting the simulation the editor scene will be copied and
+		 * the reference in _activeScene will be replaced with the new scene.
+		 */
+		Scene _editorScene ~ _?.ReleaseRef();
+
+		SceneRenderer _gameSceneRenderer ~ delete _;
+		SceneRenderer _editorSceneRenderer ~ delete _;
+		
+		/// Path of the current scene.
+		append String _sceneFilePath = .();
 
 		Editor _editor ~ delete _;
 
-		PerspectiveCameraController _cameraController ~ delete _;
+		RenderTargetGroup _cameraTarget ~ _.ReleaseRef();
+		RenderTargetGroup _editorViewportTarget ~ _.ReleaseRef();
+		RenderTargetGroup _gameViewportTarget ~ _.ReleaseRef();
 
-		RenderTarget2D _renderTarget2D ~ _?.ReleaseRef();
+		SettingsWindow _settingsWindow = new .() ~ delete _;
 
-		public this() : base("Example")
+		EditorCamera _camera ~ _.Dispose();
+
+		EditorIcons _editorIcons ~ _.ReleaseRef();
+
+		EditorContentManager _contentManager;
+
+		SceneState _sceneState = .Edit;
+		bool _isPaused = false;
+		
+		/// Gets or sets the path of the current scene.
+		public StringView SceneFilePath
+		{
+			get => _sceneFilePath;
+			set
+			{
+				_sceneFilePath.Clear();
+
+				if (!value.IsWhiteSpace)
+					_sceneFilePath.Append(value);
+			}
+		}
+
+		public this(EditorContentManager contentManager) : base("Editor")
 		{
 			Application.Get().Window.IsVSync = false;
 
+			_contentManager = contentManager;
+
 			InitGraphics();
-			InitEcs();
+
+			_editorScene = new Scene();
+			SetReference!(_activeScene, _editorScene);
+
+			_gameSceneRenderer = new SceneRenderer();
+			_editorSceneRenderer = new SceneRenderer();
+
+			_camera = EditorCamera(Vector3(3.5f, 1.25f, 2.75f), Quaternion.FromEulerAngles(MathHelper.ToRadians(40), MathHelper.ToRadians(25), 0), MathHelper.ToRadians(75), 0.1f, 1);
+			_camera.RenderTarget = _cameraTarget;
+			
 			InitEditor();
+
+			NewScene();
 		}
 
 		private void InitGraphics()
 		{
 			_context = Application.Get().Window.Context..AddRef();
 			
-			_swapchainDepthBuffer = new DepthStencilTarget(_context.SwapChain.Width, _context.SwapChain.Height);
-			
 			RasterizerStateDescription rsDesc = .(.Solid, .Back, true);
 			_rasterizerState = new RasterizerState(rsDesc);
 
@@ -55,144 +120,572 @@ namespace GlitchyEditor
 			_alphaBlendState = new BlendState(blendDesc);
 			_opaqueBlendState = new BlendState(.Default);
 
-			_renderTarget2D = new RenderTarget2D(RenderTarget2DDescription(.R8G8B8A8_UNorm, 100, 100) {DepthStencilFormat = .D32_Float});
+			DepthStencilStateDescription dsDesc = .();
+			_depthStencilState = new DepthStencilState(dsDesc);
 			
-			SamplerStateDescription desc = .();
+			_cameraTarget = new RenderTargetGroup(.(){
+					Width = 100,
+					Height = 100,
+					ColorTargetDescriptions = TargetDescription[](
+						.(.R16G16B16A16_Float),
+						.(.R32_UInt)
+					),
+					DepthTargetDescription = .(.D24_UNorm_S8_UInt)
+				});
 
-			SamplerState sampler = new SamplerState(desc);
+			_editorViewportTarget = new RenderTargetGroup(.()
+				{
+					Width = 100,
+					Height = 100,
+					ColorTargetDescriptions = TargetDescription[](
+						.(.R8G8B8A8_UNorm))
+				});
 
-			_renderTarget2D.SamplerState = sampler;
+			_gameViewportTarget = new RenderTargetGroup(.()
+				{
+					Width = 100,
+					Height = 100,
+					ColorTargetDescriptions = TargetDescription[](
+						.(.R8G8B8A8_UNorm))
+				});
 
-			sampler.ReleaseRef();
-		}
+			_editorIcons = new EditorIcons("Textures/EditorIcons.dds", .(64, 64));
+			_editorIcons.SamplerState = SamplerStateManager.AnisotropicClamp;
 
-		private void InitEcs()
-		{
-			_world.Register<DebugNameComponent>();
-			_world.Register<TransformComponent>();
-			_world.Register<ParentComponent>();
-			_world.Register<MeshComponent>();
-			_world.Register<MeshRendererComponent>();
-			_world.Register<SkinnedMeshRendererComponent>();
-			_world.Register<CameraComponent>();
-			_world.Register<AnimationComponent>();
+			ContentBrowserWindow.s_FolderTexture = _editorIcons.Folder;
+			ContentBrowserWindow.s_FileTexture = _editorIcons.File;
 		}
 
 		private void InitEditor()
 		{
-			_editor = new Editor(_world);
-			_editor.SceneViewportWindow.ViewportSizeChangedEvent.Add(new (s, e) => ViewportSizeChanged(s, e));
+			_editor = new Editor(_editorScene, _contentManager);
+			_editor.SceneViewportWindow.ViewportSizeChanged.Add(new (s, e) => EditorViewportSizeChanged(s, e));
+			_editor.GameViewportWindow.ViewportSizeChanged.Add(new (s, e) => GameViewportSizeChanged(s, e));
+			_editor.CurrentCamera = &_camera;
+			_editor.GameSceneRenderer = _gameSceneRenderer;
+			_editor.EditorSceneRenderer = _editorSceneRenderer;
 
-			_cameraController = new .(Application.Get().Window.Context.SwapChain.BackbufferViewport.Width /
-									Application.Get().Window.Context.SwapChain.BackbufferViewport.Height);
-			_cameraController.CameraPosition = .(0, 0, -5);
-			_cameraController.TranslationSpeed = 10;
-
-			_editor.[Friend]CreateEntityWithTransform();
-
-			_editor.SceneViewportWindow._camera = _cameraController.Camera;
+			_editor.RequestOpenScene.Add(new (s, fileName) => {
+			  LoadSceneFile(fileName);
+			});
 		}
 		
 		public override void Update(GameTime gameTime)
 		{
-			if(_editor.SceneViewportWindow.HasFocus && Input.IsMouseButtonPressed(.RightButton))
-				_cameraController.Update(gameTime);
+			Debug.Profiler.ProfileFunction!();
 
-			TransformSystem.Update(_world);
+			_editor.CurrentScene = _activeScene;
 
-			RenderCommand.Clear(_renderTarget2D, .Color | .Depth, .(0.2f, 0.2f, 0.2f), 1.0f, 0);
+			Scene.UpdateMode updateMode;
 
-			_context.SetRenderTarget(_renderTarget2D);
-			_context.BindRenderTargets();
+			switch (_sceneState)
+			{
+			case .Edit:
+				updateMode = .Editor;
+			case .Play:
+				updateMode = .Runtime;
+			case .Simulate:
+				updateMode = .Physics;
+			}
 
-			RenderCommand.SetViewport(Viewport(0, 0, _renderTarget2D.Width, _renderTarget2D.Height));
+			if (_sceneState != .Edit && _isPaused)
+				updateMode = .None;
 
-			RenderCommand.SetBlendState(_opaqueBlendState);
 
-			Renderer.BeginScene(_cameraController.Camera);
+			_activeScene.Update(gameTime, updateMode);
 
-			DebugRenderer.Render(_world);
+			// Clear the swapchain-buffer
+			RenderCommand.Clear(null, .Color | .Depth, .(0.2f, 0.2f, 0.2f), 1.0f, 0);
 			
-			Renderer.EndScene();
+			RenderCommand.SetBlendState(_alphaBlendState);
+			RenderCommand.SetDepthStencilState(_depthStencilState);
 			
-			RenderCommand.Clear(null, .(0.2f, 0.2f, 0.2f));
-			RenderCommand.Clear(_swapchainDepthBuffer, .Depth, 1.0f, 0);
+			if (_editor.SceneViewportWindow.Visible)
+			{
+				_camera.Update(gameTime);
 
-			_context.SetRenderTarget(null);
-			_context.SetDepthStencilTarget(_swapchainDepthBuffer);
-			_context.BindRenderTargets();
+				_editorSceneRenderer.Scene = _activeScene;
+
+				RenderCommand.Clear(_editorViewportTarget, .Color | .Depth, .(0.2f, 0.2f, 0.2f), 1.0f, 0);
+				_editorSceneRenderer.RenderEditor(gameTime, _camera, _editorViewportTarget, scope => DebugDraw3D, scope => DebugDraw2D);
+			}
+
+			RenderCommand.SetBlendState(_alphaBlendState);
+			RenderCommand.SetDepthStencilState(_depthStencilState);
+
+			if (_editor.GameViewportWindow.Visible)
+			{
+				_gameSceneRenderer.Scene = _activeScene;
+
+				RenderCommand.Clear(_gameViewportTarget, .Color | .Depth, .(0.2f, 0.2f, 0.2f), 1.0f, 0);
+				_gameSceneRenderer.RenderRuntime(gameTime, _gameViewportTarget);
+			}
+
+			RenderCommand.UnbindRenderTargets();
+			RenderCommand.SetRenderTarget(null, 0, true);
+			RenderCommand.BindRenderTargets();
 
 			RenderCommand.SetViewport(_context.SwapChain.BackbufferViewport);
 		}
 
+		private void DebugDraw3D()
+		{
+			/*for (var (entity, transform, camera) in _scene.[Friend]_ecsWorld.Enumerate<TransformComponent, CameraComponent>())
+			{
+				if (_editor.EntityHierarchyWindow.SelectedEntities.Contains(.(entity, _scene)))
+				{
+					DebugRenderer.DrawViewFrustum(transform.WorldTransform, camera.Camera.Projection);
+				}
+			}*/
+		}
+
+		private void DebugDraw2D()
+		{
+			RenderCommand.SetBlendState(_alphaBlendState);
+			
+			Matrix billboard = _camera.View.Invert();
+			billboard.Translation = .Zero;
+
+			Matrix Billboard(Matrix transform)
+			{
+				Vector3 worldPos = transform.Translation;
+
+				return Matrix.Translation(worldPos) * billboard;
+			}
+
+			float CalculateAlpha(Vector3 pos)
+			{
+				return Math.Clamp(1.5f - Vector3.Distance(_editor.CurrentCamera.Position, pos) / 50, 0, 1);
+			}
+
+			for (var (entity, transform, camera) in _activeScene.GetEntities<TransformComponent, CameraComponent>())
+			{
+				if (_editor.EntityHierarchyWindow.SelectedEntities.Contains(.(entity, _activeScene)))
+				{
+					DebugRenderer.DrawViewFrustum(transform.WorldTransform, camera.Camera.Projection, .White);
+				}
+				
+				Matrix world = Billboard(transform.WorldTransform);
+				
+				float alpha = CalculateAlpha(transform.WorldTransform.Translation);
+				Renderer2D.DrawQuad(world, _editorIcons.Camera, ColorRGBA(alpha, alpha, alpha, alpha), .(0, 0, 1, 1), entity.Index);
+				//Renderer2D.DrawQuad(world, _iconCamera, .White, .(0, 0, 1, 1), entity.Index);
+			}
+
+			for (var (entity, transform, light) in _activeScene.GetEntities<TransformComponent, LightComponent>())
+			{
+				if (_editor.EntityHierarchyWindow.SelectedEntities.Contains(.(entity, _activeScene)))
+				{
+					Renderer.DrawRay(.Zero, .(0, 0, 20), ColorRGBA(light.SceneLight.Color, 1.0f), transform.WorldTransform);
+
+					for (float angle = 0; angle < MathHelper.TwoPi; angle += MathHelper.TwoPi / 5.0f)
+					{
+						Vector2 pos = MathHelper.CirclePoint(angle, 0.5f);
+
+						Renderer.DrawRay(.(pos, 0), .(pos, 20), .White, transform.WorldTransform);
+					}
+				}
+
+				Matrix world = Billboard(transform.WorldTransform);
+				
+				float alpha = CalculateAlpha(transform.WorldTransform.Translation);
+				Renderer2D.DrawQuad(world, _editorIcons.DirectionalLight, ColorRGBA(light.SceneLight.Color.R * alpha, light.SceneLight.Color.G * alpha, light.SceneLight.Color.B * alpha, alpha), .(0, 0, 1, 1), entity.Index);
+			}
+			
+			for (var (entity, transform, collider) in _activeScene.GetEntities<TransformComponent, BoxCollider2DComponent>())
+			{
+				Renderer2D.DrawRect(transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0) * Matrix.Scaling(collider.Size.X * 2, collider.Size.Y * 2, 0));
+			}
+
+			for (var (entity, transform, collider) in _activeScene.GetEntities<TransformComponent, CircleCollider2DComponent>())
+			{
+				Renderer2D.DrawCircle(transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0) * Matrix.Scaling(collider.Radius * 2), (Texture2D)null, ColorRGBA(0f, 1f, 0f), 0.01f);
+			}
+		}
+
 		public override void OnEvent(Event event)
 		{
-			_cameraController.OnEvent(event);
-
 			EventDispatcher dispatcher = EventDispatcher(event);
 
 			dispatcher.Dispatch<ImGuiRenderEvent>(scope (e) => OnImGuiRender(e));
 			dispatcher.Dispatch<WindowResizeEvent>(scope (e) => OnWindowResize(e));
+			dispatcher.Dispatch<KeyPressedEvent>(scope (e) => OnKeyPressed(e));
+			dispatcher.Dispatch<MouseScrolledEvent>(scope (e) => OnMouseScrolled(e));
 		}
 
 		ImGui.ID _mainDockspaceId;
 		
+		TextureViewer viewer = new TextureViewer() ~ delete _;
+
 		private bool OnImGuiRender(ImGuiRenderEvent event)
 		{
+			Input.ImGuiDebugDraw();
+
+			//viewer.ViewTexture(Renderer.[Friend]_gBuffer.Target);
+
 			ImGui.Viewport* viewport = ImGui.GetMainViewport();
 			ImGui.DockSpaceOverViewport(viewport);
 
 			DrawMainMenuBar();
 
-			_editor.SceneViewportWindow.RenderTarget = _renderTarget2D;
+			_editor.SceneViewportWindow.RenderTarget = _editorViewportTarget;
+			_editor.GameViewportWindow.RenderTarget = _gameViewportTarget;
 
 			_editor.Update();
 
+			_settingsWindow.Show();
+
+			UI_Toolbar();
+
 			return false;
 		}
 
+		private void UI_Toolbar()
+		{
+			ImGui.PushStyleVar(.WindowPadding, ImGui.Vec2(0, 2));
+			ImGui.PushStyleVar(.ItemInnerSpacing, ImGui.Vec2(0, 0));
+			ImGui.PushStyleColor(.Button, ImGui.Vec4(0, 0, 0, 0));
+
+			let colors = ImGui.GetStyle().Colors;
+
+			ImGui.Vec4 hoveredColor = colors[(int)ImGui.Col.ButtonHovered];
+			hoveredColor.w = 0.5f;
+			
+			ImGui.Vec4 activeColor = colors[(int)ImGui.Col.ButtonActive];
+			activeColor.w = 0.5f;
+
+			ImGui.PushStyleColor(.ButtonHovered, hoveredColor);
+			ImGui.PushStyleColor(.ButtonActive, activeColor);
+
+			ImGui.Begin("##toolbar", null, .NoDecoration | .NoScrollbar | .NoScrollWithMouse);
+
+			float padding = 2.0f;
+
+			float size = ImGui.GetWindowHeight() - 2 * padding;
+
+			float centerX = ImGui.GetContentRegionMax().x / 2;
+
+
+			if (_sceneState == .Edit)
+			EditorButtons:
+			{
+				// Display the buttons for edit state
+
+				float totalWidth = size * 3 + padding * 4;
+
+				ImGui.SameLine();
+				ImGui.SetCursorPosX(centerX - totalWidth / 2);
+
+				if (ImGui.ImageButton(_editorIcons.Play, .(size, size), .Zero, .Ones, 0))
+					OnScenePlay();
+
+				ImGui.AttachTooltip("Play the game.");
+				
+				ImGui.SameLine();
+
+				ImGui.PushID(1);
+
+				if (ImGui.ImageButton(_editorIcons.Simulate, .(size, size), .Zero, .Ones, 0))
+					OnSceneSimulate();
+				
+				ImGui.PopID();
+
+				ImGui.AttachTooltip("Enter simulation mode.\nThis only runs the physics engine.");
+
+				if (_isPaused)
+				{
+					ImGui.PushStyleColor(.Button, *ImGui.GetStyleColorVec4(.ButtonActive));
+					
+					defer:EditorButtons { ImGui.PopStyleColor(); }
+				}
+				
+				ImGui.PushID(2);
+
+				//ImGui.SameLine(penX += size + 2 * padding);
+				ImGui.SameLine();
+
+				if (ImGui.ImageButton(_editorIcons.Pause, .(size, size), .Zero, .Ones, 0))
+					_isPaused = !_isPaused;
+				
+				ImGui.PopID();
+
+				ImGui.AttachTooltip("If enabled the game or simulation will be started in paused state.");
+
+			}
+			else
+			{
+				// Display the buttons for play/simulation state
+
+				ImGui.SameLine();
+				ImGui.SetCursorPosX(centerX - size - padding);
+
+				SubTexture2D pauseButtonIcon = _isPaused ? _editorIcons.Play : _editorIcons.Pause;
+
+				if (ImGui.ImageButton(pauseButtonIcon, .(size, size), .Zero, .Ones, 0))
+				{
+					if (_isPaused)
+						OnSceneResume();
+					else
+						OnScenePause();
+				}
+
+				ImGui.AttachTooltip(_isPaused ? "Resume" : "Pause");
+				
+				ImGui.SameLine();
+				ImGui.PushID(1);
+
+				if (ImGui.ImageButton(_editorIcons.Stop, .(size, size), .Zero, .Ones, 0))
+					OnSceneStop();
+
+				ImGui.PopID();
+
+				ImGui.AttachTooltip("Stop");
+			}
+
+			ImGui.End();
+
+			ImGui.PopStyleColor(3);
+			ImGui.PopStyleVar(2);
+		}
+
+		private void OnScenePlay()
+		{
+			_editor.SceneViewportWindow.EditorMode = false;
+			_sceneState = .Play;
+
+			using (Scene runtimeScene = new Scene())
+			{
+				_editorScene.CopyTo(runtimeScene);
+
+				runtimeScene.OnRuntimeStart();
+
+				SetReference!(_activeScene, runtimeScene);
+			}
+
+			_editor.CurrentScene = _activeScene;
+		}
+
+		private void OnSceneSimulate()
+		{
+			_editor.SceneViewportWindow.EditorMode = false;
+			_sceneState = .Simulate;
+
+			using (Scene simulationScene = new Scene())
+			{
+				_editorScene.CopyTo(simulationScene);
+
+				simulationScene.OnSimulationStart();
+
+				SetReference!(_activeScene, simulationScene);
+			}
+
+			_editor.CurrentScene = _activeScene;
+		}
+
+		private void OnScenePause()
+		{
+			_isPaused = true;
+		}
+		
+		private void OnSceneResume()
+		{
+			_isPaused = false;
+		}
+
+		private void OnSceneStop()
+		{
+			if (_sceneState == .Play)
+				_activeScene.OnRuntimeStop();
+			else
+				_activeScene.OnSimulationStop();
+
+			SetReference!(_activeScene, _editorScene);
+
+			_editor.SceneViewportWindow.EditorMode = true;
+			_sceneState = .Edit;
+
+			_editor.CurrentScene = _activeScene;
+			
+			_isPaused = false;
+
+			/*
+			 * Update the viewport size because if the game windows size changed in
+			 * "Game"-mode the updated aspect-rations will reset once we go back
+			 * into "Editor"-mode (because Game-Mode works on a copy of the scene).
+			 */
+			GameViewportSizeChanged(null, _editor.GameViewportWindow.ViewportSize);
+		}
+
+		/// Creates a new scene.
+		private void NewScene()
+		{
+			OnSceneStop();
+
+			SceneFilePath = null;
+
+			Scene newScene = new Scene();
+
+			_camera.Position = .(-1.5f, 1.5f, -2.5f);
+			_camera.RotationEuler = .(MathHelper.ToRadians(25), MathHelper.ToRadians(35), 0);
+
+			// Create a default camera
+			{
+				let cameraEntity = newScene.CreateEntity("Camera");
+				let transform = cameraEntity.Transform;
+				transform.Position = Vector3(0, 2, -5);
+				transform.RotationEuler = Vector3(0, MathHelper.ToRadians(25), 0);
+				
+				let camera = cameraEntity.AddComponent<CameraComponent>();
+				camera.Primary = true;
+				camera.Camera.ProjectionType = .InfinitePerspective;
+				camera.Camera.PerspectiveFovY = MathHelper.ToRadians(75);
+				camera.Camera.PerspectiveNearPlane = 0.1f;
+			}
+
+			// Create a default light source
+			{
+				let lightEntity = newScene.CreateEntity("Light");
+				let transform = lightEntity.Transform;
+				transform.Position = .(-3, 4, -1.5f);
+				transform.RotationEuler = .(MathHelper.ToRadians(20), MathHelper.ToRadians(75), MathHelper.ToRadians(20));
+
+				let light = lightEntity.AddComponent<LightComponent>();
+				light.SceneLight.Illuminance = 10.0f;
+				light.SceneLight.Color = .(1.0f, 0.95f, 0.8f);
+			}
+
+			_editorScene.ReleaseRef();
+			_editorScene = newScene;
+			_editor.CurrentScene = _editorScene;
+			var vpSize = _editor.SceneViewportWindow.ViewportSize;
+			_editorScene.OnViewportResize((.)vpSize.X, (.)vpSize.Y);
+
+			SetReference!(_activeScene, _editorScene);
+		}
+		
+		/// Saves the scene in the file that is was loaded from or saved to last. If there is no such path (i.e. it is a new scene) the save file dialog will open.
+		private void SaveScene()
+		{
+			if (SceneFilePath.IsWhiteSpace)
+			{
+				SaveSceneAs();
+				return;
+			}
+			
+			SceneSerializer serializer = scope .(_editorScene);
+			serializer.Serialize(SceneFilePath);
+		}
+		
+		/// Opens a save file dialog and saves the scene at the user specified location.
+		private void SaveSceneAs()
+		{
+			SaveFileDialog sfd = scope .();
+			if (sfd.ShowDialog() case .Ok(let val))
+			{
+				if (val == .OK)
+				{
+					SceneFilePath = sfd.FileNames[0];
+
+					SaveScene();
+				}
+			}
+		}
+		
+		/// Opens a open file dialog and load the scene selected by the user specified.
+		private void OpenScene()
+		{
+			OpenFileDialog ofd = scope .();
+			if (ofd.ShowDialog() case .Ok(let val))
+			{
+				if (val == .OK)
+				{
+					LoadSceneFile(ofd.FileNames[0]);
+				}
+			}
+		}
+
+		/// Loads the given scene file.
+		private void LoadSceneFile(StringView filename)
+		{
+			OnSceneStop();
+
+			SceneFilePath = scope String(filename);
+
+			_editorScene.ReleaseRef();
+			_editorScene = new Scene();
+			_editor.CurrentScene = _editorScene;
+			var vpSize = _editor.SceneViewportWindow.ViewportSize;
+			_editorScene.OnViewportResize((.)vpSize.X, (.)vpSize.Y);
+
+			SceneSerializer serializer = scope .(_editorScene);
+			serializer.Deserialize(SceneFilePath);
+
+			SetReference!(_activeScene, _editorScene);
+		}
+
 		private void DrawMainMenuBar()
 		{
 			ImGui.BeginMainMenuBar();
 
-			if(ImGui.BeginMenu("File", false))
+			if(ImGui.BeginMenu("File", true))
 			{
+				if (ImGui.MenuItem("New", "Ctrl+N"))
+					NewScene();
+
+				if (ImGui.MenuItem("Save", "Ctrl+S"))
+					SaveScene();
+
+				if (ImGui.MenuItem("Save as...", "Ctrl+Shift+N"))
+					SaveSceneAs();
+
+				if (ImGui.MenuItem("Open...", "Ctrl+O"))
+					OpenScene();
+
+				ImGui.Separator();
+
+				if (ImGui.MenuItem("Settings"))
+					_settingsWindow.Open = true;
+				
+				ImGui.Separator();
+				
+				if (ImGui.MenuItem("Exit"))
+					Application.Get().Close();
+
 				ImGui.EndMenu();
 			}
 			
 			if(ImGui.BeginMenu("View", true))
 			{
-				if(ImGui.MenuItem(EntityHierarchyWindow.s_WindowTitle))
-				{
-					_editor.EntityHierarchyWindow.Open = true;
-				}
-
 				if(ImGui.MenuItem(ComponentEditWindow.s_WindowTitle))
-				{
 					_editor.ComponentEditWindow.Open = true;
-				}
 
-				if(ImGui.MenuItem(SceneViewportWindow.s_WindowTitle))
-				{
+				if(ImGui.MenuItem(ContentBrowserWindow.s_WindowTitle))
+					_editor.ComponentEditWindow.Open = true;
+				
+				if(ImGui.MenuItem(EditorViewportWindow.s_WindowTitle))
 					_editor.SceneViewportWindow.Open = true;
-				}
+
+				if(ImGui.MenuItem(EntityHierarchyWindow.s_WindowTitle))
+					_editor.EntityHierarchyWindow.Open = true;
+
+				if(ImGui.MenuItem(GameViewportWindow.s_WindowTitle))
+					_editor.GameViewportWindow.Open = true;
+
+				if(ImGui.MenuItem(PropertiesWindow.s_WindowTitle))
+					_editor.PropertiesWindow.Open = true;
 
 				ImGui.EndMenu();
 			}
 
-
 			ImGui.EndMainMenuBar();
 		}
 
 		private bool OnWindowResize(WindowResizeEvent e)
 		{
-			_swapchainDepthBuffer.ReleaseRef();
-			_swapchainDepthBuffer = new DepthStencilTarget(_context.SwapChain.Width, _context.SwapChain.Height);
-
 			return false;
 		}
 
-		private void ViewportSizeChanged(Object sender, Vector2 viewportSize)
+		private void EditorViewportSizeChanged(Object sender, Vector2 viewportSize)
 		{
 			uint32 sizeX = (uint32)viewportSize.X;
 			uint32 sizeY = (uint32)viewportSize.Y;
@@ -200,9 +693,64 @@ namespace GlitchyEditor
 			if(sizeX == 0 || sizeY == 0)
 				return;
 
-			_renderTarget2D.Resize(sizeX, sizeY);
+			_editorViewportTarget.Resize(sizeX, sizeY);
+			_cameraTarget.Resize(sizeX, sizeY);
 
-			_cameraController.AspectRatio = (float)sizeX / (float)sizeY;
+			_camera.OnViewportResize(sizeX, sizeY);
+
+			_editorSceneRenderer.OnViewportResize(sizeX, sizeY);
+		}
+		
+		private void GameViewportSizeChanged(Object sender, Vector2 viewportSize)
+		{
+			uint32 sizeX = (uint32)viewportSize.X;
+			uint32 sizeY = (uint32)viewportSize.Y;
+
+			if(sizeX == 0 || sizeY == 0)
+				return;
+
+			_gameViewportTarget.Resize(sizeX, sizeY);
+
+			_activeScene.OnViewportResize(sizeX, sizeY);
+
+			_gameSceneRenderer.OnViewportResize(sizeX, sizeY);
+		}
+
+		private bool OnKeyPressed(KeyPressedEvent e)
+		{
+			bool control = Input.IsKeyPressed(Key.Control);
+			bool shift = Input.IsKeyPressed(Key.Shift);
+			
+			if (!_camera.[Friend]BindMouse && control)
+			{
+				switch (e.KeyCode)
+				{
+				case .N:
+					NewScene();
+					return true;
+				case .O:
+					OpenScene();
+					return true;
+				case .S:
+					if (shift)
+						SaveSceneAs();
+					else
+						SaveScene();
+					
+					return true;
+				default:
+				}
+			}
+
+			return false;
+		}
+
+		private bool OnMouseScrolled(MouseScrolledEvent e)
+		{
+			if (_camera.OnMouseScrolled(e))
+				return true;
+
+			return false;
 		}
 	}
 }

GlitchyEditor/src/SettingsWindow.bf

@@ -0,0 +1,253 @@
+using GlitchyEditor.EditWindows;
+using ImGui;
+using GlitchyEngine;
+using System;
+using System.Collections;
+using System.Reflection;
+
+namespace GlitchyEditor
+{
+	class SettingsWindow : EditorWindow
+	{
+		class Binding
+		{
+			public Object SettingsObject;
+			public String Name ~ delete _;
+			public String FieldName ~ delete _;
+
+			public this(StringView name, StringView fieldName, Object settingsObject)
+			{
+				Name = new String(name);
+				FieldName = new String(fieldName);
+				SettingsObject = settingsObject;
+			}
+		}
+
+		class Category
+		{
+			public List<Binding> _bindings = new .() ~ DeleteContainerAndItems!(_);
+
+			public String Header ~ delete _;
+
+			public Object SettingsObject;
+
+			public this(String header)
+			{
+				Header = new String(header);
+			}
+
+			public void AddSetting(StringView name, StringView fieldName, Object settingsObject = null)
+			{
+				Binding binding = new .(name, fieldName, settingsObject ?? SettingsObject);
+				_bindings.Add(binding);
+			}
+		}
+
+		Settings _settings;
+
+		bool _settingsChanged = false;
+
+		private Dictionary<String, Category> _categories = new .() ~ DeleteDictionaryAndValues!(_);
+
+		public this()
+		{
+			_open = false;
+
+			_settings = Application.Get().Settings;
+
+			Create();
+		}
+
+		void Create()
+		{
+			ScanForSettings(_settings);
+
+			/*for (ISettings settings in _settings.[Friend]_userSettings)
+			{
+				ScanForSettings(settings);
+			}*/
+		}
+
+		Category AddCategory(String header)
+		{
+			if (_categories.TryGetValue(header, let category))
+				return category;
+
+			Category newCat = new Category(header);
+			_categories.Add(newCat.Header, newCat);
+
+			return newCat;
+		}
+
+		void ScanForSettings(Object container)
+		{
+			Type type = container.GetType();
+
+			for (var field in type.GetFields())
+			{
+				Result<SettingAttribute> settingResult = field.GetCustomAttribute<SettingAttribute>();
+
+				if (settingResult case .Ok(let settingInfo))
+				{
+					AddSetting(settingInfo.Category, settingInfo.Name, field.Name, container);
+				}
+				
+				Result<SettingContainerAttribute> containerResult = field.GetCustomAttribute<SettingContainerAttribute>();
+				
+				if (containerResult case .Ok(let containerInfo))
+				{
+					var res = field.GetValue<Object>(container, let childContainer);
+
+					if (res case .Err(let error))
+					{
+						Log.EngineLogger.Error($"Failed to get settings container. Error: {error}");
+
+						continue;
+					}
+
+					ScanForSettings(childContainer);
+				}
+			}
+		}
+
+		void AddSetting(String categoryName, String name, StringView fieldName, Object container)
+		{
+			Category category = AddCategory(categoryName);
+
+			category.AddSetting(name, fieldName, container);
+		}
+
+		protected override void InternalShow()
+		{
+			ImGui.Begin("Settings", &_open, .NoDocking);
+			defer ImGui.End();
+
+			// Leave room for 1 line below us
+			ImGui.BeginChild("item view", ImGui.Vec2(0, -ImGui.GetFrameHeightWithSpacing()));
+
+			ImGui.BeginTabBar("##Tabs");
+
+			for (Category category in _categories.Values)
+			{
+				if (ImGui.BeginTabItem(category.Header))
+				{
+					ImGui.Columns(2);
+					defer ImGui.Columns(1);
+					ImGui.SetColumnWidth(0, 100);
+
+					for (Binding setting in category._bindings)
+					{
+						ImGui.TextUnformatted(setting.Name);
+
+						ImGui.NextColumn();
+
+						Type settingsObjectType = setting.SettingsObject.GetType();
+
+						Result<FieldInfo> result = settingsObjectType.GetField(setting.FieldName);
+
+						if (result case .Err)
+						{
+							ImGui.PushStyleColor(.Text, ImGui.Vec4(1f, 0f, 0f, 1f));
+							ImGui.Text($"Field {setting.FieldName} not found.");
+							ImGui.PopStyleColor();
+
+							continue;
+						}
+
+						FieldInfo fieldInfo = result.Get();
+
+						Type fieldType = fieldInfo.FieldType;
+
+						mixin GetSettingValue<T>()
+						{
+							var error = fieldInfo.GetValue<T>(setting.SettingsObject, var value);
+
+							if (error case .Err(let err))
+							{
+								Log.EngineLogger.Error($"Could not get value of setting {setting.FieldName}. Error: {err}");
+
+								ImGui.PushStyleColor(.Text, ImGui.Vec4(1f, 0f, 0f, 1f));
+								ImGui.Text($"Could not get value of setting {setting.FieldName}. Error: {err}");
+								ImGui.PopStyleColor();
+
+								break;
+							}
+
+							value
+						}
+
+						mixin SetSettingValue<T>(T value)
+						{
+							var error = fieldInfo.SetValue(setting.SettingsObject, value);
+
+							if (error case .Err(let err))
+							{
+								Log.EngineLogger.Error($"Could not set value of setting {setting.FieldName}. Error: {err}");
+							}
+						}
+
+						switch (fieldType)
+						{
+						case typeof(int32):
+							int32 value = GetSettingValue!<int32>();
+
+							if (!ImGui.InputInt(scope $"##{setting.Name}", &value))
+								break;
+
+							SetSettingValue!(value);
+
+							_settingsChanged = true;
+						case typeof(String):
+							String value = GetSettingValue!<String>();
+
+							char8[256] buffer = .();
+
+							value.CopyTo(buffer);
+
+							if (ImGui.InputText(scope $"##{setting.Name}", &buffer, buffer.Count))
+							{
+								value..Clear().Append(&buffer);
+
+								_settingsChanged = true;
+							}
+						}
+
+						ImGui.NextColumn();
+					}
+
+					ImGui.EndTabItem();
+				}
+			}
+
+			ImGui.EndTabBar();
+
+			ImGui.EndChild();
+
+			ImGui.BeginDisabled(!_settingsChanged);
+
+			if (ImGui.Button("Save"))
+			{
+				_settings.Save();
+				_settings.Apply();
+				_open = false;
+			}
+
+			ImGui.SameLine();
+
+			if (ImGui.Button("Apply"))
+			{
+				_settings.Apply();
+			}
+			
+			ImGui.EndDisabled();
+	
+			ImGui.SameLine();
+
+			if (ImGui.Button("Cancel"))
+			{
+				Settings.Load();
+				_open = false;
+			}
+		}
+	}
+}

GlitchyEditor/src/TextureViewer.bf

@@ -0,0 +1,246 @@
+using GlitchyEngine.Renderer;
+using GlitchyEngine;
+using ImGui;
+using GlitchyEngine.Math;
+using System;
+
+namespace GlitchyEditor
+{
+	class TextureViewer
+	{
+		enum BackgroundMode : int32
+		{
+			White,
+			Black,
+			Checkerboard
+		}
+
+		enum SampleMode : int32
+		{
+			Point,
+			Linear
+		}
+
+		GraphicsContext _context ~ _.ReleaseRef();
+
+		Effect _effect ~ _.ReleaseRef();
+
+		float _zoom = 1.0f;
+		
+		BackgroundMode _backgroundMode = .Checkerboard;
+
+		SampleMode _sampleMode = .Linear;
+
+		RenderTarget2D _target ~ _?.ReleaseRef();
+		// TODO: we don't need depth!
+		DepthStencilTarget _depth ~ _?.ReleaseRef();
+
+		SamplerState _samplerPoint ~ _.ReleaseRef();
+		SamplerState _samplerLinear ~ _.ReleaseRef();
+
+		public this()
+		{
+			_context = Application.Get().Window.Context..AddRef();
+
+			InitEffect();
+			InitState();
+			// TODO: rasterizerstate and depthstencilstate
+		}
+
+		private void InitEffect()
+		{
+			_effect = new Effect("content\\Shaders\\textureViewerShader.hlsl");
+		}
+
+		private void InitState()
+		{
+			SamplerStateDescription desc = .();
+			desc.MagFilter = .Linear;
+			desc.MinFilter = .Linear;
+			_samplerLinear = SamplerStateManager.GetSampler(desc);
+			
+			desc.MagFilter = .Point;
+			desc.MinFilter = .Point;
+			_samplerPoint = SamplerStateManager.GetSampler(desc);
+		}
+
+		Vector2 _position;
+
+		bool _moving;
+
+		float _colorOffset = 0;
+		float _colorScale = 1;
+		float _alphaOffset = 0;
+		float _alphaScale = 1;
+
+		public void ViewTexture(Texture viewedTexture)
+		{
+			ImGui.Begin("Texture Viewer");
+
+			ImGui.SliderFloat("Zoom", &_zoom, 0.01f, 100.0f);
+
+			char8*[] items = scope .("White", "Black", "Checkerboard");
+
+			ImGui.Combo("Background", (.)&_backgroundMode, items.Ptr, (.)items.Count);
+			
+			items = scope .("Point", "Linear");
+
+			ImGui.Combo("Sampler", (.)&_sampleMode, items.Ptr, (.)items.Count);
+
+			ImGui.SliderFloat2("Color offset and scale", *(float[2]*)&_colorOffset, -1.0f, 1.0f);
+			ImGui.SliderFloat2("Alpha offset and scale", *(float[2]*)&_alphaOffset, -1.0f, 1.0f);
+
+			ImGui.SliderFloat2("Position", *(float[2]*)&_position, 2 * -Math.Max(viewedTexture.Width, viewedTexture.Height) * _zoom, 2 * Math.Max(viewedTexture.Width, viewedTexture.Height) * _zoom);
+
+			ImGui.BeginChild("imageChild");
+
+			UpdateInput();
+
+			var viewportSize = ImGui.GetContentRegionAvail();
+
+			viewportSize.x = Math.Max(viewportSize.x, 1);
+			viewportSize.y = Math.Max(viewportSize.y, 1);
+
+			if(_target == null || viewportSize.x != _target.Width || viewportSize.y != _target.Height)
+			{
+				_target?.ReleaseRef();
+				_target = new RenderTarget2D(.(.R8G8B8A8_UNorm, (.)viewportSize.x, (.)viewportSize.y));
+				_depth?.ReleaseRef();
+				_depth = new DepthStencilTarget((.)viewportSize.x, (.)viewportSize.y, .D16_UNorm);
+			}
+
+			RenderTexture(viewedTexture);
+
+			ImGui.Image(_target, viewportSize);
+
+			ImGui.EndChild();
+
+			ImGui.End();
+		}
+
+		float lastWheel;
+
+		private void UpdateInput()
+		{
+			var windowPos = ImGui.GetWindowPos();
+			var mousePos = ImGui.GetIO().MousePos;
+			Vector2 mouseInWindow = .(mousePos.x - windowPos.x, mousePos.y - windowPos.y);
+
+			bool windowHovered = ImGui.IsWindowHovered();
+
+			if(windowHovered && Input.IsMouseButtonPressing(.MiddleButton))
+			{
+				_moving = true;
+			}
+			else if(Input.IsMouseButtonReleased(.MiddleButton))
+			{
+				_moving = false;
+			}
+
+			if(windowHovered || _moving)
+			{
+				float mouseWheel = ImGui.GetIO().MouseWheel;
+
+				float delta = mouseWheel - lastWheel;
+
+				if(delta != 0)
+				{
+					_position -= mouseInWindow;
+					_position /= _zoom;
+
+					_zoom *= Math.Pow(1.1f, delta);
+					
+					_position *= _zoom;
+					_position += mouseInWindow;
+				}
+
+			}
+
+			if(_moving)
+			{
+				Int2 movement = Input.GetMouseMovement();
+
+				_position.X += movement.X;
+				_position.Y += movement.Y;
+			}
+		}
+
+		OrthographicCamera _camera = new OrthographicCamera() ~ delete _;
+
+		private void RenderTexture(Texture viewedTexture)
+		{
+			Viewport vp = .(0, 0, _target.Width, _target.Height);
+			RenderCommand.SetViewport(vp);
+
+			// TODO: don't clear pink!
+			RenderCommand.Clear(_target, .Pink);
+			RenderCommand.Clear(_depth, .Depth, 1.0f, 0);
+
+			//_target.Bind();
+			_context.SetRenderTarget(_target);
+			_context.SetDepthStencilTarget(_depth);
+			_context.BindRenderTargets();
+
+			Vector2 textureSize = Vector2(viewedTexture.Width, viewedTexture.Height);
+			Vector2 zoomedTextureSize = textureSize * _zoom;
+			
+			Vector2 targetSize = Vector2(_target.Width, _target.Height);
+
+			_effect.Variables["ColorOffset"].SetData(_colorOffset);
+			_effect.Variables["ColorScale"].SetData(_colorScale);
+			_effect.Variables["AlphaOffset"].SetData(_alphaOffset);
+			_effect.Variables["AlphaScale"].SetData(_alphaScale);
+
+			_camera.Left = 0;
+			_camera.Top = 0;
+			_camera.Right = targetSize.X;
+			_camera.Bottom = -targetSize.Y;
+			_camera.NearPlane = -5;
+			_camera.FarPlane = 5;
+			_camera.Update();
+
+			Renderer2D.BeginScene(_camera);
+			
+			switch(_backgroundMode)
+			{
+			case .Black:
+				Renderer2D.DrawQuadPivotCorner(Vector3(0, 0, 1), targetSize, 0, .Black);
+			case .White:
+				Renderer2D.DrawQuadPivotCorner(Vector3(0, 0, 1), targetSize, 0, .White);
+			case .Checkerboard:
+				float quadSize = 50.0f;
+
+				Vector2 numQuads = (targetSize / 500f) * 10f;
+
+				for(float x = 0; x < numQuads.X; x++)
+				{
+					for(float y = 0; y < numQuads.Y; y++)
+					{
+						Renderer2D.DrawQuadPivotCorner(Vector3(x * quadSize, -y * quadSize, 1), quadSize.XX, 0, ((x + y) % 2 == 0) ? .White : .Gray);
+					}
+				}
+				break;
+			}
+
+			Renderer2D.EndScene();
+
+			var sampler = viewedTexture.SamplerState;
+
+			switch(_sampleMode)
+			{
+			case .Point:
+				viewedTexture.SamplerState = _samplerPoint;
+			case .Linear:
+				viewedTexture.SamplerState = _samplerLinear;
+			}
+
+			Renderer2D.BeginScene(_camera, .SortByTexture, _effect);
+
+			Renderer2D.DrawQuad(Vector3(_position * .(1, -1), 0), zoomedTextureSize, 0, viewedTexture);
+			
+			Renderer2D.EndScene();
+
+			viewedTexture.SamplerState = sampler;
+		}
+	}
+}

GlitchyEngine/BeefProj.toml

@@ -1,5 +1,5 @@
 FileVersion = 1
-Dependencies = {GlitchLog = "*", corlib = "*", DirectX = "*", DirectXTK = "*", FreeType = "*", cgltf-beef = "*", msdfgen-beef = "*", ImGui = "*", ImGuiImplDX11 = "*", ImGuiImplWin32 = "*", ImGuizmo = "*", Beefy2D = "*", LodePng = "*"}
+Dependencies = {GlitchLog = "*", corlib = "*", DirectX = "*", FreeType = "*", cgltf-beef = "*", msdfgen-beef = "*", ImGui = "*", ImGuiImplDX11 = "*", ImGuiImplWin32 = "*", ImGuizmo = "*", Beefy2D = "*", LodePng = "*", GlitchyEngineHelper = "*", bon = "*", box2d-beef = "*", "Beef.Linq" = "*"}
 
 [Project]
 Name = "GlitchyEngine"
@@ -15,7 +15,7 @@ PreprocessorMacros = ["DEBUG", "PARANOID", "GE_WINDOWS"]
 PreprocessorMacros = ["RELEASE", "GE_WINDOWS"]
 
 [Configs.Release.Win64]
-PreprocessorMacros = ["RELEASE", "GE_PROFILE"]
+PreprocessorMacros = ["IMGUI", "RELEASE", "GE_PROFILE"]
 
 [Configs.Test.Win32]
 PreprocessorMacros = ["TEST", "GE_WINDOWS"]
@@ -24,4 +24,4 @@ PreprocessorMacros = ["TEST", "GE_WINDOWS"]
 PreprocessorMacros = ["TEST", "GE_WINDOWS"]
 
 [Configs.Debug.Win64]
-PreprocessorMacros = ["DEBUG", "GE_PROFILE", "GE_PROFILE_RENDERER", "GE_PROFILE_RESOURCES"]
+PreprocessorMacros = ["DEBUG", "GE_PROFILE", "GE_PROFILE_RENDERER", "GE_PROFILE_RESOURCES", "IMGUI"]

GlitchyEngine/src/Application.bf

@@ -3,36 +3,44 @@ using GlitchyEngine.Events;
 using GlitchyEngine.ImGui;
 using GlitchyEngine.Renderer;
 using GlitchyEngine.Debug;
+using GlitchyEngine.Content;
 
 namespace GlitchyEngine
 {
-	public class Application
+	public abstract class Application
 	{
 		static Application s_Instance = null;
 
-		private Window _window ~ delete _;
-		private RendererAPI _rendererApi ~ delete _;
-		private EffectLibrary _effectLibrary ~ delete _;
+		private Window _window;
+		private RendererAPI _rendererApi;
 
 		private bool _running = true;
 		private bool _isMinimized = false;
 
-		private LayerStack _layerStack = new LayerStack();
+		private LayerStack _layerStack;
 
+#if IMGUI
 		private ImGuiLayer _imGuiLayer;
+#endif
 
-		private GameTime _gameTime = new GameTime(true);
+		private GameTime _gameTime;
+		
+		private IContentManager _contentManager;
 
 		public bool IsRunning => _running;
 		public Window Window => _window;
 
-		public EffectLibrary EffectLibrary => _effectLibrary;
+		public IContentManager ContentManager => _contentManager;
 
 		public bool IsMinimized => _isMinimized;
 
+		public GameTime GameTime => _gameTime;
+
 		[Inline]
 		public static Application Get() => s_Instance;
 
+		public Settings Settings {get; private set;} = new .() ~ delete _;
+
 		public this()
 		{
 			Profiler.ProfileFunction!();
@@ -40,32 +48,57 @@ namespace GlitchyEngine
 			Log.EngineLogger.Assert(s_Instance == null, "Tried to create a second application.");
 			s_Instance = this;
 
+			_layerStack = new LayerStack();
+			_gameTime = new GameTime(true);
+
 			_window = new Window(.Default);
 			_window.EventCallback = new => OnEvent;
 
+			Input.Init();
+			
+			_contentManager = InitContentManager();
+
+			// TODO: RenderAPI in RenderCommand initialisieren?
 			_rendererApi = new RendererAPI();
 			_rendererApi.Context = _window.Context;
 
 			SamplerStateManager.Init();
 
+			// TODO: Rendercommmand in Renderer initialisieren?
 			RenderCommand.RendererAPI = _rendererApi;
 
-			_effectLibrary = new EffectLibrary();
-
-			Renderer.Init(_window.Context, _effectLibrary);
+			Renderer.Init();
 
+#if IMGUI
 			_imGuiLayer = new ImGuiLayer();
 			PushOverlay(_imGuiLayer);
+#endif
+
+			GlitchyEngine.Settings.Load();
+			Settings.Apply();
 		}
 
+		/// Initializes the content manager.
+		protected abstract IContentManager InitContentManager();
+		//{
+			// TODO: init default content manager?
+			//_contentManager = new ContentManager("./content");
+		//}
+
 		public ~this()
 		{
 			Profiler.ProfileFunction!();
 
-			delete _layerStack;
 			SamplerStateManager.Uninit();
 			Renderer.Deinit();
+
+			delete _contentManager;
+
+			delete _rendererApi;
+			delete _window;
+			
 			delete _gameTime;
+			delete _layerStack;
 		}
 
 		public void OnEvent(Event e)
@@ -131,13 +164,21 @@ namespace GlitchyEngine
 				
 				if(allowFrame)
 				{
+#if IMGUI
 					_imGuiLayer.ImGuiRender();
+#endif
 	
 					_window.Context.SwapChain.Present();
 				}
 			}
 		}
 
+		/// Closes the applcation.
+		public void Close()
+		{
+			_running = false;
+		}
+
 		public void PushLayer(Layer ownLayer)
 		{
 			Profiler.ProfileFunction!();

GlitchyEngine/src/Collections/TreeNode.bf

@@ -2,10 +2,16 @@ using System.Collections;
 
 namespace GlitchyEngine.Collections
 {
+	// TODO: TreeNode is very bare minimum
+	// Destructor?
+	// RemoveChild?
+	// Remove in enumerator?
+
 	public class TreeNode<T>
 	{
 		public T Value;
 
+		public Self Parent;
 		public List<Self> Children = new .() ~ DeleteContainerAndItems!(_);
 
 		public this() {}
@@ -24,6 +30,7 @@ namespace GlitchyEngine.Collections
 			}
 
 			Self newChild = new .(value);
+			newChild.Parent = this;
 
 			Children.Add(newChild);
 
@@ -44,5 +51,32 @@ namespace GlitchyEngine.Collections
 
 			return null;
 		}
+
+		public static ref T operator ->(TreeNode<T> node)
+		{
+			return ref node.Value;
+		}
+	}
+
+	static
+	{
+		public static mixin DeleteTreeAndChildren<T>(TreeNode<T> tree) where T : class, delete
+		{
+			InternalDeleteTreeAndChildren(tree);
+		}
+
+		private static void InternalDeleteTreeAndChildren<T>(TreeNode<T> tree) where T : class, delete
+		{
+			for (var child in tree.Children)
+			{
+				InternalDeleteTreeAndChildren(child);
+			}
+
+			delete tree.Value;
+
+			tree.Children.Clear();
+
+			delete tree;
+		}
 	}
 }

GlitchyEngine/src/Content/Asset.bf

@@ -0,0 +1,92 @@
+using GlitchyEngine.Core;
+using System;
+using Bon;
+using Bon.Integrated;
+using System.Reflection;
+using System.IO;
+
+namespace GlitchyEngine.Content;
+
+[BonTarget]
+abstract class Asset : RefCounter
+{
+	internal AssetHandle _handle = .Invalid;
+
+	private append String _identifier;
+
+	internal IContentManager _contentManager;
+
+	/// Gets the identifier of this asset.
+	/// @remarks The identifier is the name with which the asset was registered in the content manager.
+	/// 	This identifier can be used to request the Asset from the content manager.
+	public StringView Identifier
+	{
+		get => _identifier;
+		internal set => _identifier.Set(value);
+	}
+
+	/// If true the asset is completely loaded. If false it is only partially loaded (if at all).
+	public bool Complete { get; internal set; }
+
+	// TODO: do we need unmanaged assets? Probably not...
+	/// Gets the content manager that manages this asset; or null if this asset isn't managed.
+	public IContentManager ContentManager => _contentManager;
+
+	public AssetHandle Handle => _handle;
+
+	static this
+	{
+		gBonEnv.typeHandlers.Add(typeof(Asset),
+			    ((.)new => AssetSerialize, new => AssetDeserialize));
+	}
+
+	protected ~this()
+	{
+		// TODO: crash when _contentManager is deleted first...
+		// TODO: unregister from content manager
+		//_contentManager?.UnmanageAsset(this);
+	}
+
+	static void AssetSerialize(BonWriter writer, ValueView value, BonEnvironment environment, SerializeValueState state)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(Asset));
+
+	    let identifier = value.Get<Asset>().Identifier;
+	    writer.String(identifier);
+	}
+
+	static Result<void> AssetDeserialize(BonReader reader, ValueView value, BonEnvironment environment, DeserializeValueState state)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(Asset));
+
+		String identifier = scope .();
+
+		Deserialize.String!(reader, ref identifier, environment);
+
+		AssetHandle handle = Content.LoadAsset(identifier);
+
+		if (handle == .Invalid)
+		{
+			value.Assign<Asset>(null);
+			return .Ok;
+		}
+
+		Asset asset = Content.GetAsset<Asset>(handle);
+
+		if (asset != null)
+		{
+			Asset oldAsset = value.Get<Asset>();
+			oldAsset.ReleaseRef();
+
+			value.Assign(asset);
+			return .Ok;
+		}
+		else
+		{
+			Deserialize.Error!("Invalid resource path", reader, value.type);
+		}
+	}
+
+	//gBonEnv.typeHandlers.Add(typeof(Resource<>),
+	//    ((.)new => ResourceSerialize, (.)new => ResourceDeserialize));
+}

GlitchyEngine/src/Content/AssetHandle.bf

@@ -0,0 +1,336 @@
+using Bon;
+using Bon.Integrated;
+using System;
+using xxHash;
+using System.Collections;
+using System.Reflection;
+using System.Diagnostics;
+using GlitchyEngine.Core;
+
+namespace GlitchyEngine.Content;
+
+struct AssetHandle : IHashable
+{
+	private UUID _uuid;
+
+	/// Defines an asset that is invalid.
+	public const AssetHandle Invalid = .(UUID(0));
+
+	public bool IsValid => this != .Invalid;
+	public bool IsInvalid => this == .Invalid;
+
+	/// Create a new random AssetHandle
+	public this()
+	{
+		_uuid = UUID();
+	}
+
+	private this(UUID uuid)
+	{
+		_uuid = uuid;
+	}
+
+	static this
+	{
+		gBonEnv.typeHandlers.Add(typeof(AssetHandle),
+			    ((.)new => AssetSerialize, new => AssetDeserialize));
+	}
+
+	[Inline]
+	public T Get<T>(IContentManager contentManager = null) where T : Asset
+	{
+		return Content.GetAsset<T>(this, contentManager);
+	}
+
+	public int GetHashCode() => _uuid.GetHashCode();
+
+	static void AssetSerialize(BonWriter writer, ValueView value, BonEnvironment environment, SerializeValueState state)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(AssetHandle));
+
+		AssetHandle handle = value.Get<AssetHandle>();
+
+		if (handle.IsInvalid)
+	    	writer.String("");
+		else
+		{
+	    	let identifier = handle.Get<Asset>().Identifier;
+	    	writer.String(identifier);
+		}
+	}
+
+	static Result<void> AssetDeserialize(BonReader reader, ValueView value, BonEnvironment environment, DeserializeValueState state)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(AssetHandle));
+
+		String identifier = scope .();
+
+		Deserialize.String!(reader, ref identifier, environment);
+
+		AssetHandle handle = Content.LoadAsset(identifier);
+		
+		value.Assign<AssetHandle>(handle);
+
+		return .Ok;
+	}
+}
+
+struct AssetHandle<T> where T : Asset
+{
+	private AssetHandle _handle;
+	private IContentManager _contentManager;
+	/*
+	 * We don't increment/decrement the reference counter since we guarantee that we query for the asset every frame.
+	 */
+	private T _asset;
+	//private uint8 _currentFrame;
+	//private uint64 _actualCurrentFrame = 0;
+
+	public const Self Invalid = .();
+
+	public bool IsValid => this != .Invalid;
+	public bool IsInvalid => this == .Invalid;
+
+	public this(AssetHandle handle, IContentManager contentManager = null)
+	{
+		_handle = handle;
+
+		_asset = handle.Get<T>(contentManager);
+		_contentManager = _asset?.ContentManager;
+		if (_contentManager == null)
+			_contentManager = contentManager;
+		//_currentFrame = (uint8)Application.Get().GameTime.FrameCount;
+	}
+
+	// Creates a new invalid asset handle
+	private this()
+	{
+		_handle = .Invalid;
+		//_currentFrame = 0;
+		_contentManager = null;
+		_asset = null;
+	}
+
+	static this
+	{
+		gBonEnv.typeHandlers.Add(typeof(AssetHandle<T>),
+			    ((.)new => AssetSerialize, new => AssetDeserialize));
+	}
+
+	public static implicit operator Self(AssetHandle handle)
+	{
+		return Self(handle);
+	}
+
+	public static implicit operator AssetHandle(Self handle)
+	{
+		return handle._handle;
+	}
+	
+	public static implicit operator T(ref Self handle)
+	{
+		return handle.Get();
+	}
+
+	public T Get(IContentManager contentManager = null)
+	{
+		return Content.GetAsset<T>(_handle, contentManager == null ? _contentManager : contentManager);
+	}
+
+	[Comptime, OnCompile(.TypeInit)]
+	static void Init()
+	{
+		for (var field in typeof(T).GetFields(BindingFlags.FlattenHierarchy))
+		{
+			if (field.IsStatic || !field.IsPublic)
+				continue;
+
+			String modifier = field.IsPublic ? "public" : "private";
+
+			String code = scope $"""
+				{modifier} {field.FieldType} {field.Name}
+				{{
+					get mut
+					{{
+						return Get().{field.Name};
+					}}
+					set mut
+					{{
+						Get().{field.Name} = value;
+					}}
+				}}
+
+
+				""";
+
+			Compiler.EmitTypeBody(typeof(Self), code);
+		}
+
+		Dictionary<StringView, (MethodInfo? Getter, MethodInfo? Setter)> properties = scope .();
+
+		for (var method in typeof(T).GetMethods(BindingFlags.FlattenHierarchy | BindingFlags.Public))
+		{
+			if (method.IsStatic || !method.IsPublic || method.IsConstructor || method.IsDestructor)
+				continue;
+
+			// Filter out destructors
+			if (method.Name == "~this")
+				continue;
+
+			if (method.Name.StartsWith("get__"))
+			{
+				StringView name = method.Name;
+				name.RemoveFromStart(5);
+
+				if (!properties.TryGetValue(name, var propertyInfo))
+				{
+					propertyInfo = default;
+				}
+
+				propertyInfo.Getter = method;
+
+				properties[name] = propertyInfo;
+
+				continue;
+			}
+			if (method.Name.StartsWith("set__"))
+			{
+				StringView name = method.Name;
+				name.RemoveFromStart(5);
+
+				if (!properties.TryGetValue(name, var propertyInfo))
+				{
+					propertyInfo = default;
+				}
+
+				propertyInfo.Setter = method;
+
+				properties[name] = propertyInfo;
+
+				continue;
+			}
+
+			String modifier = method.IsPublic ? "public" : "private";
+			
+			String parameters = scope String();
+			String arguments = scope String();
+
+			for (int param < method.ParamCount)
+			{
+				Type paramType = method.GetParamType(param);
+				StringView paramName = method.GetParamName(param);
+				/*String buffer = scope .();
+				method.GetParamsDecl(buffer);*/
+
+				if (param != 0)
+				{
+					parameters.Append(", ");
+					arguments.Append(", ");
+				}
+
+				// TODO: Default value
+				parameters.AppendF($"{paramType} {paramName}");
+
+				/*if (!buffer.IsEmpty)
+				{
+					parameters.AppendF($"/*{buffer}*/");
+				}*/
+
+				arguments.AppendF($" {paramName}");
+			}
+
+			String code = scope $"""
+				{modifier} {method.ReturnType} {method.Name}({parameters}) mut
+				{{
+					return Get().{method.Name}({arguments});
+				}}
+
+
+				""";
+
+			Compiler.EmitTypeBody(typeof(Self), code);
+		}
+
+		for (var (propertyName, property) in properties)
+		{
+			Type propertyType = property.Getter?.ReturnType ?? property.Setter?.GetParamType(0);
+
+			String getter = scope .();
+			String setter = scope .();
+
+			if (property.Getter != null)
+			{
+				getter.AppendF($"""
+						get mut
+						{{
+							return Get().{propertyName};
+						}}
+					""");
+			}
+			if (property.Setter != null)
+			{
+				getter.AppendF($"""
+
+						set mut
+						{{
+							Get().{propertyName} = value;
+						}}
+					""");
+			}
+
+			String code = scope $"""
+				public {propertyType} {propertyName}
+				{{
+				{getter}{setter}
+				}}
+
+
+				""";
+
+			Compiler.EmitTypeBody(typeof(Self), code);
+		}
+	}
+	
+	public AssetHandle<NewT> Cast<NewT>()
+		where NewT : Asset
+		where T : NewT
+	{
+		return AssetHandle<NewT>(this._handle, this._contentManager);
+	}
+
+	// TODO: Cast up?
+	public AssetHandle<NewT> Cast<NewT>() where NewT : T
+	{
+		return AssetHandle<NewT>(this._handle, this._contentManager);
+	}
+	
+	static void AssetSerialize(BonWriter writer, ValueView value, BonEnvironment environment, SerializeValueState state)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(AssetHandle<T>));
+
+		AssetHandle handle = value.Get<AssetHandle<T>>();
+
+		if (handle.IsInvalid)
+	    	writer.String("");
+		else
+		{
+	    	let identifier = handle.Get<Asset>().Identifier;
+	    	writer.String(identifier);
+		}
+	}
+
+	static Result<void> AssetDeserialize(BonReader reader, ValueView value, BonEnvironment environment, DeserializeValueState state)
+	{
+		Log.EngineLogger.Assert(value.type == typeof(AssetHandle<T>));
+
+		String identifier = scope .();
+
+		Deserialize.String!(reader, ref identifier, environment);
+
+		AssetHandle<T> handle = Content.LoadAsset(identifier);
+		
+		value.Assign<AssetHandle<T>>(handle);
+
+		return .Ok;
+	}
+}