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test with ecs source and target drag drops

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max
2024-10-15 23:15:35 +02:00
parent ba88432e77
commit 86b54e1521
2 changed files with 85 additions and 31 deletions
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2
Nerfed.Editor/Components/HierachyComponents.cs
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@@ -2,3 +2,5 @@
public readonly record struct SelectedInHierachy; public readonly record struct SelectedInHierachy;
public readonly record struct ClickedInHierachy; public readonly record struct ClickedInHierachy;
public readonly record struct PayloadSourceInHierachy;
public readonly record struct PayloadTargetInHierachy;

110
Nerfed.Editor/Systems/EditorHierarchyWindow.cs
View File

@@ -17,6 +17,7 @@ namespace Nerfed.Editor.Systems
private readonly Filter rootEntitiesFilter; private readonly Filter rootEntitiesFilter;
private readonly EditorHierachySelectionSystem hierachySelectionSystem; private readonly EditorHierachySelectionSystem hierachySelectionSystem;
private readonly EditorHierachyDragAndDropSystem hierachyDragAndDropSystem;
public EditorHierarchyWindow(World world) : base(world) public EditorHierarchyWindow(World world) : base(world)
{ {
@@ -33,6 +34,7 @@ namespace Nerfed.Editor.Systems
// Or a EditorComponent, just a component that always gets added when in editor mode. // Or a EditorComponent, just a component that always gets added when in editor mode.
hierachySelectionSystem = new EditorHierachySelectionSystem(world); hierachySelectionSystem = new EditorHierachySelectionSystem(world);
hierachyDragAndDropSystem = new EditorHierachyDragAndDropSystem(world);
} }
public override void Update(TimeSpan delta) public override void Update(TimeSpan delta)
@@ -44,23 +46,23 @@ namespace Nerfed.Editor.Systems
if (ImGui.TreeNodeEx("World", flags)) if (ImGui.TreeNodeEx("World", flags))
{ {
if (ImGui.BeginDragDropTarget()) //if (ImGui.BeginDragDropTarget())
{ //{
unsafe // unsafe
{ // {
ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}"); // ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}");
if (payload.NativePtr != null) // if (payload.NativePtr != null)
{ // {
Entity* data = (Entity*)payload.Data; // Entity* data = (Entity*)payload.Data;
Entity child = data[0]; // Entity child = data[0];
Log.Info($"Dropped {child.ID}"); // Log.Info($"Dropped {child.ID}");
Transform.RemoveParent(World, child); // Transform.RemoveParent(World, child);
} // }
} // }
ImGui.EndDragDropTarget(); // ImGui.EndDragDropTarget();
} //}
//foreach (Entity entity in rootEntitiesWithTransformFilter.Entities) //foreach (Entity entity in rootEntitiesWithTransformFilter.Entities)
//{ //{
@@ -78,6 +80,7 @@ namespace Nerfed.Editor.Systems
ImGui.End(); ImGui.End();
hierachySelectionSystem.Update(delta); hierachySelectionSystem.Update(delta);
hierachyDragAndDropSystem.Update(delta);
} }
private void DrawEntityAndChildren(in Entity entity) private void DrawEntityAndChildren(in Entity entity)
@@ -105,31 +108,44 @@ namespace Nerfed.Editor.Systems
// Drag and drop. // Drag and drop.
if (ImGui.BeginDragDropSource()) if (ImGui.BeginDragDropSource())
{ {
unsafe ImGui.SetDragDropPayload($"{nameof(EditorHierarchyWindow)}", nint.Zero, 0);
{ Set(entity, new PayloadSourceInHierachy());
fixed (Entity* payload = &entity) Log.Info($"SetSource {entity.ID}");
{
ImGui.SetDragDropPayload($"{nameof(EditorHierarchyWindow)}", (IntPtr)payload, (uint)sizeof(Entity)); //unsafe
} //{
} // fixed (Entity* payload = &entity)
// {
// ImGui.SetDragDropPayload($"{nameof(EditorHierarchyWindow)}", (IntPtr)payload, (uint)sizeof(Entity));
// }
//}
ImGui.EndDragDropSource(); ImGui.EndDragDropSource();
} }
if (ImGui.BeginDragDropTarget()) if (ImGui.BeginDragDropTarget())
{ {
ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}");
unsafe unsafe
{ {
ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}");
if (payload.NativePtr != null) if (payload.NativePtr != null)
{ {
Entity* data = (Entity*)payload.Data; Log.Info($"SetTarget {entity.ID}");
Entity ent = data[0]; Set(entity, new PayloadTargetInHierachy());
Log.Info($"Dropped {ent.ID}");
Transform.SetParent(World, ent, entity);
} }
} }
//unsafe
//{
// ImGuiPayloadPtr payload = ImGui.AcceptDragDropPayload($"{nameof(EditorHierarchyWindow)}");
// if (payload.NativePtr != null)
// {
// Entity ent = *(Entity*)payload.Data;
// Log.Info($"Dropped {ent.ID}");
// Transform.SetParent(World, ent, entity);
// }
//}
ImGui.EndDragDropTarget(); ImGui.EndDragDropTarget();
} }
@@ -187,13 +203,49 @@ namespace Nerfed.Editor.Systems
private class EditorHierachyDragAndDropSystem : MoonTools.ECS.System private class EditorHierachyDragAndDropSystem : MoonTools.ECS.System
{ {
private readonly Filter sourceEntities;
private readonly Filter targetEntities;
public EditorHierachyDragAndDropSystem(World world) : base(world) public EditorHierachyDragAndDropSystem(World world) : base(world)
{ {
sourceEntities = FilterBuilder.Include<PayloadSourceInHierachy>().Build();
targetEntities = FilterBuilder.Include<PayloadTargetInHierachy>().Build();
} }
public override void Update(TimeSpan delta) public override void Update(TimeSpan delta)
{ {
if (!targetEntities.Empty)
{
Entity target = GetSingletonEntity<PayloadTargetInHierachy>();
foreach (Entity source in sourceEntities.Entities)
{
Transform.SetParent(World, source, target);
}
}
bool clear = false;
unsafe
{
ImGuiPayloadPtr payload = ImGui.GetDragDropPayload();
if (payload.NativePtr == null)
{
clear = true;
}
}
if (clear)
{
foreach (Entity source in targetEntities.Entities)
{
Remove<PayloadTargetInHierachy>(source);
}
foreach (Entity source in sourceEntities.Entities)
{
Remove<PayloadSourceInHierachy>(source);
}
}
} }
} }
} }