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