Added Component editor for Transform- and DebugNameComponent

GlitchyEngine/src/Editor/ComponentEditWindow.bf

@@ -0,0 +1,155 @@
+using ImGui;
+using GlitchyEngine.World;
+using System;
+using GlitchyEngine.Math;
+
+namespace GlitchyEngine.Editor
+{
+	class ComponentEditWindow
+	{
+		private Editor _editor;
+		
+		private bool _show = true;
+
+		public Editor Editor => _editor;
+		
+		public bool Show
+		{
+			get => _show;
+			set => _show = value;
+		}
+
+		public this(Editor editor)
+		{
+			_editor = editor;
+		}
+
+		public void Show()
+		{
+			if(!_show)
+				return;
+
+			if(!ImGui.Begin("Components"))
+			{
+				ImGui.End();
+				return;
+			}
+
+			if(_editor.SelectedEntities.Count == 1)
+			{
+				Entity entity = _editor.SelectedEntities.Front;
+
+				ShowComponents(entity);
+			}
+
+			ImGui.End();
+		}
+
+		private void ShowComponents(Entity entity)
+		{
+			NameComponentEditor.Show(_editor.World, entity);
+			TransformComponentEditor.Show(_editor.World, entity);		
+		}
+	}
+
+	static class NameComponentEditor
+	{
+		public static void Show(EcsWorld world, Entity entity)
+		{
+			char8[128] nameBuffer = default;
+
+			DebugNameComponent* component = world.GetComponent<DebugNameComponent>(entity);
+
+			String name = null;
+
+			if(component != null)
+			{
+				name = component.DebugName;
+			}
+			else
+			{
+				name = scope:: $"Entity {entity.[Friend]Index}";
+			}
+
+			// Copy name to buffer
+			Internal.MemCpy(&nameBuffer, name.Ptr, Math.Min(nameBuffer.Count, name.Length));
+
+			if(ImGui.InputText("Name", &nameBuffer, nameBuffer.Count))
+			{
+				if(component == null)
+				{
+					component = world.AssignComponent<DebugNameComponent>(entity);
+				}
+
+				component.DebugName.Clear();
+				component.DebugName.Append(&nameBuffer);
+			}
+		}
+	}
+
+	static class TransformComponentEditor
+	{
+		public static void Show(EcsWorld world, Entity entity)
+		{
+			TransformComponent* component = world.GetComponent<TransformComponent>(entity);
+
+			if(component == null)
+				return;
+
+			if(ImGui.TreeNodeEx("Transform", .DefaultOpen))
+			{
+				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)
+				{
+					ImGui.Text(text);
+					ImGui.SameLine();
+					ImGui.PushID(id);
+					valueChanged |= ImGui.DragFloat(String.Empty, &value, 0.1f);
+					ImGui.PopID();
+				}
+
+				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();
+			}
+		}
+	}
+}

GlitchyEngine/src/Editor/Editor.bf

@@ -11,6 +11,7 @@ namespace GlitchyEngine.Editor
 		private EcsWorld _world;
 		
 		private EntityHierarchyWindow _entityHierarchyWindow = new .(this) ~ delete _;
+		private ComponentEditWindow _componentEditWindow = new .(this) ~ delete _;
 
 		private List<Entity> _selectedEntities = new .() ~ delete _;
 
@@ -27,6 +28,7 @@ namespace GlitchyEngine.Editor
 		public void Update()
 		{
 			_entityHierarchyWindow.Show();
+			_componentEditWindow.Show();
 		}
 
 		/// Creates a new entity with a transform component.