public static void DetachEntityFromAllParents(SEntityId entityId)
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
CEntity target = entityId.GetEntity();
if (target == null || target.RootComponent == null || target.RootComponent.ParentComponent == null)
{
return;
}
SEntityComponentId oldRootParent = new SEntityComponentId(target.RootComponent.ParentComponent);
void Do()
{
CWorld world = CEngine.Instance.CurrentWorld;
CEntity entity = entityId.GetEntity();
if (entity != null)
{
entity.Detach();
}
}
void Undo()
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
CWorld world = CEngine.Instance.CurrentWorld;
CEntity entity = entityId.GetEntity();
CSceneComponent oldParent = oldRootParent.GetComponent <CSceneComponent>();
if (oldParent == null)
{
LogUtility.Log("[UndoRedo] The old parent is invalid! Undo stack has been corrupted and cleared.");
UndoRedoUtility.Purge(null);
return;
}
if (entity != null)
{
entity.AttachToComponent(oldParent);
}
});
}
void Redo()
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
Do();
});
}
Do();
CRelayUndoItem item = new CRelayUndoItem(Undo, Redo);
UndoRedoUtility.Record(item);
});
}
public void AttachComponent(SEntityComponentId child, SEntityComponentId parent)
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
CSceneComponent parentObj = parent.GetComponent <CSceneComponent>();
CSceneComponent childObj = child.GetComponent <CSceneComponent>();
if (parentObj != null && childObj != null)
{
CSceneComponent oldParent = childObj.ParentComponent;
SEntityComponentId oldParentid = new SEntityComponentId(oldParent);
if (childObj.AttachToComponent(parentObj))
{
UpdateEntityInformation_EngineThread(m_selectedObject.GetTargetEntityId(), true);
void Undo()
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
CSceneComponent oldParentInst = oldParentid.GetComponent <CSceneComponent>();
CSceneComponent childInst = child.GetComponent <CSceneComponent>();
if (oldParentInst != null && childInst != null)
{
childInst.AttachToComponent(oldParentInst);
UpdateEntityInformation_EngineThread(child.EntityId, true);
}
});
}
void Redo()
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
CSceneComponent newParentInst = parent.GetComponent <CSceneComponent>();
CSceneComponent childInst = child.GetComponent <CSceneComponent>();
if (newParentInst != null && childInst != null)
{
childInst.AttachToComponent(newParentInst);
UpdateEntityInformation_EngineThread(child.EntityId, true);
}
});
}
CRelayUndoItem item = new CRelayUndoItem(Undo, Redo);
UndoRedoUtility.Record(item);
}
}
});
}
private void HandleChildEntities(CSceneComponent childComponent, CSceneComponent oldParentComponent, CSceneComponent newParentComponent)
{
if (childComponent == childComponent.Owner.RootComponent)
{
if (oldParentComponent == null)
{
m_childEntities.Remove(childComponent.Owner);
}
else if (newParentComponent == null)
{
m_childEntities.Add(childComponent.Owner);
}
}
}
private void OnInputEvent(ReadOnlyCollection <SInputButtonEvent> buttonevents, string textinput)
{
if (World.IsPlaying)
{
return;
}
foreach (var buttonEvent in buttonevents)
{
if (buttonEvent.button == EInputButton.MouseLeftButton && buttonEvent.buttonEvent == EButtonEvent.Pressed)
{
if (ImGui.GetIO().WantCaptureMouse)
{
return;
}
CViewManager viewManager = World.ViewManager;
int mouseAbsX = System.Windows.Forms.Cursor.Position.X - (int)viewManager.ScreenLeft;
int mouseAbsY = System.Windows.Forms.Cursor.Position.Y - (int)viewManager.ScreenTop;
if (mouseAbsX < 0 || mouseAbsY < 0 || mouseAbsX > viewManager.ScreenWidth || mouseAbsY > viewManager.ScreenHeight)
{
return;
}
viewManager.GetViewInfo(out SSceneViewInfo viewInfo);
if (m_gizmo.IsHovered)
{
return;
}
Ray pickRay = Ray.GetPickRay(mouseAbsX, mouseAbsY, new ViewportF(0, 0, viewManager.ScreenWidth, viewManager.ScreenHeight), viewInfo.ViewMatrix * viewInfo.ProjectionMatrix);
if (CRenderer.Instance.ActiveScene.RayIntersection(pickRay, out CRenderNode node, out STriangle tri, out float dist, MarkPickedObjects > 0))
{
if (node.Outer is CSceneComponent sceneComponent)
{
CSceneComponent rootComponent = sceneComponent.Owner.RootComponent;
m_gizmo.IsActive = true;
m_gizmo.SetControlledTransform(rootComponent.Transform);
OnComponentPicked?.Invoke(rootComponent);
}
}
else
{
m_gizmo.IsActive = false;
OnComponentPicked?.Invoke(null);
}
}
internal void TriggerHierarchyChanged(CSceneComponent child, CSceneComponent oldParent, CSceneComponent newParent)
{
OnHierarchyChanged?.Invoke(child, oldParent, newParent);
}
public static void MakeComponentRoot(SEntityComponentId id, bool bDispatch = true)
{
void Command()
{
CSceneComponent newRoot = id.GetComponent <CSceneComponent>();
if (newRoot == null)
{
return;
}
CSceneComponent oldRoot = newRoot.Owner.RootComponent;
if (oldRoot == null)
{
return;
}
SEntityComponentId oldId = new SEntityComponentId(oldRoot);
void Do()
{
CSceneComponent component = id.GetComponent <CSceneComponent>();
if (component != null)
{
CEntity owner = component.Owner;
owner.SetRootComponent(component);
}
}
void Redo()
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
Do();
Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, (Action)(() =>
{
CWorkspace space = CWorkspace.Instance;
space.SetSelectedObject(space.SelectedEditableObject, true);
}));
});
}
void Undo()
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
CSceneComponent component = oldId.GetComponent <CSceneComponent>();
if (component != null)
{
CEntity owner = component.Owner;
owner.SetRootComponent(component);
Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, (Action)(() =>
{
CWorkspace space = CWorkspace.Instance;
space.SetSelectedObject(space.SelectedEditableObject, true);
}));
}
});
}
Do();
CUndoItem item = new CRelayUndoItem(Undo, Redo);
UndoRedoUtility.Record(item);
}
if (bDispatch)
{
CEngine.Instance.Dispatch(EEngineUpdatePriority.BeginFrame, () =>
{
Command();
});
}
else
{
Command();
}
}
