RenderTargetGroup GetData, Shader uint support

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;
+}
+
+#effect[VS = VS, PS = PS]

GlitchyEditor/content/Shaders/myEffect.hlsl

@@ -1,3 +1,5 @@
+#define OutputEntityId
+
 #include "ShaderHelpers.hlsl"
 
 Texture2D AlbedoTexture : register(t0);
@@ -28,6 +30,9 @@ cbuffer ObjectConstants
      * \remarks This matrix is used in order to correctly transform normal vectors.
      */
     float3x3 Transform_InvT;
+#ifdef OutputEntityId
+    uint EntityId;
+#endif
 }
 
 cbuffer Constants
@@ -60,6 +65,9 @@ struct PS_IN
 	float3 Tangent       : TANGENT;
 	float2 TexCoord      : TEXCOORD;
 	//nointerpolation float Handedness : HANDEDNESS;
+#ifdef OutputEntityId
+    nointerpolation uint EntityId : ENTITYID;
+#endif
 };
 
 PS_IN VS(VS_IN input)
@@ -76,6 +84,8 @@ PS_IN VS(VS_IN input)
 	// TODO: output.Handedness = input.Tangent.w
 
 	output.TexCoord = input.TexCoord;
+
+    output.EntityId = EntityId;
     
     return output;
 }
@@ -90,6 +100,9 @@ struct PS_OUT
     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)
@@ -134,6 +147,10 @@ PS_OUT PS(PS_IN input)
 	output.Position = float4(input.WorldPosition, 1.0); 
     output.Material = float4(finalMetallic, finalRoughness, 1.0, 0);
 
+#ifdef OutputEntityId
+    output.EntityId = input.EntityId;
+#endif
+
     return output;
 }
 

GlitchyEditor/src/EditWindows/EntityHierarchyWindow.bf

@@ -33,7 +33,17 @@ namespace GlitchyEditor.EditWindows
 			_selectedEntities.Clear();
 			_scene = scene;
 		}
-		
+
+		/*public bool SelectEntityWithId(uint32 id, bool addToSelection = false)
+		{
+			if (!addToSelection)
+				_selectedEntities.Clear();
+
+			_scene.[Friend]_ecsWorld.IsValid(id);
+
+			_selectedEntities.Add();
+		}*/
+
 		protected override void InternalShow()
 		{
 			if(!ImGui.Begin(s_WindowTitle, &_open, .MenuBar))

GlitchyEditor/src/EditWindows/SceneViewportWindow.bf

@@ -12,11 +12,11 @@ namespace GlitchyEditor.EditWindows
 	{
 		public const String s_WindowTitle = "Scene";
 
-		private RenderTarget2D _renderTarget ~ _?.ReleaseRef();
+		private RenderTargetGroup _renderTarget ~ _?.ReleaseRef();
 
 		public Event<EventHandler<Vector2>> ViewportSizeChangedEvent ~ _.Dispose();
 
-		public RenderTarget2D RenderTarget
+		public RenderTargetGroup RenderTarget
 		{
 			get => _renderTarget;
 			set
@@ -93,7 +93,34 @@ namespace GlitchyEditor.EditWindows
 
 			if(_renderTarget != null)
 			{
-				ImGui.Image(_renderTarget, viewportSize);
+				ImGui.Image(_renderTarget.GetViewBinding(0), viewportSize);
+			}
+
+			Vector2 relativeMouse = (Vector2)ImGui.GetMousePos() - (Vector2)ImGui.GetItemRectMin();
+
+			int x = Renderer.[Friend]_gBuffer.Target.Width;
+			int y = Renderer.[Friend]_gBuffer.Target.Height;
+
+			if (Input.IsMouseButtonPressing(.LeftButton) && relativeMouse.X >= 0 && relativeMouse.Y >= 0 &&
+				relativeMouse.X < viewportSize.x && relativeMouse.Y < viewportSize.y &&
+				relativeMouse.X < x && relativeMouse.Y < y)
+			{
+				uint32 id = 0;
+
+				Renderer.[Friend]_gBuffer.Target.GetData<uint32>(&id, 5, (.)relativeMouse.X, (.)relativeMouse.Y, 1, 1);
+
+				id--;
+
+				//_renderTarget.GetData<uint32>(&pixel, 0, );
+
+				Log.EngineLogger.Info($"{relativeMouse} || ID = {id}");
+
+				/*if (id != uint32.MaxValue)
+				{
+					_editor.CurrentScene.[Friend]_ecsWorld.GetCurrentVersion()
+				}*/
+					//_editor.EntityHierarchyWindow.SelectEntityWithId(id, true);
+				
 			}
 
 			DrawImGuizmo(viewportSize);

GlitchyEditor/src/EditorLayer.bf

@@ -44,7 +44,7 @@ namespace GlitchyEditor
 		Editor _editor ~ delete _;
 
 		RenderTarget2D _cameraTarget ~ _.ReleaseRef();
-		RenderTarget2D _viewportTarget ~ _.ReleaseRef();
+		RenderTargetGroup _viewportTarget ~ _.ReleaseRef();
 
 		SettingsWindow _settingsWindow = new .() ~ delete _;
 
@@ -89,8 +89,16 @@ namespace GlitchyEditor
 			_cameraTarget = new RenderTarget2D(RenderTarget2DDescription(.R16G16B16A16_Float, 100, 100) {DepthStencilFormat = .D32_Float});
 			_cameraTarget.SamplerState = SamplerStateManager.LinearClamp;
 
-			_viewportTarget = new RenderTarget2D(RenderTarget2DDescription(.R8G8B8A8_UNorm, 100, 100));
-			_viewportTarget.SamplerState = SamplerStateManager.LinearClamp;
+			//_viewportTarget = new RenderTarget2D(RenderTarget2DDescription(.R8G8B8A8_UNorm, 100, 100));
+			//_viewportTarget.SamplerState = SamplerStateManager.LinearClamp;
+
+			_viewportTarget = new RenderTargetGroup(.()
+				{
+					Width = 100,
+					Height = 100,
+					ColorTargetDescriptions = TargetDescription[](
+						.(.R8G8B8A8_UNorm))
+				});
 
 			_editorIcons = new Texture2D("Textures/EditorIcons.dds");
 			_editorIcons.SamplerState = SamplerStateManager.AnisotropicClamp;
@@ -114,7 +122,7 @@ namespace GlitchyEditor
 
 			RenderCommand.Clear(_viewportTarget, .Color | .Depth, .(0.2f, 0.2f, 0.2f), 1.0f, 0);
 
-			RenderCommand.SetRenderTarget(_viewportTarget, 0, true);
+			RenderCommand.SetRenderTargetGroup(_viewportTarget, true);
 			RenderCommand.BindRenderTargets();
 
 			RenderCommand.SetViewport(Viewport(0, 0, _viewportTarget.Width, _viewportTarget.Height));