Gottfried/glitchy-engine-beef
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UI Tweaks, ChildEnumerator, ComponentAdded-Handlers

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This commit is contained in:
Simon Lübeß
2022-04-12 00:48:20 +02:00
parent bec202e23a
commit 863c264001
7 changed files with 278 additions and 83 deletions
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GlitchyEditor/src/EditWindows/EntityHierarchyWindow.bf
+147 -72
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@@ -43,7 +43,17 @@ namespace GlitchyEditor.EditWindows
ShowEntityHierarchyMenuBar();
if (ImGui.BeginPopupContextWindow(s_WindowTitle))
{
Show_ContextMenu_Create(true, false, false);
ImGui.EndPopup();
}
ShowEntityHierarchy();
if ((ImGui.IsMouseDown(.Left) || ImGui.IsMouseDown(.Right)) && !ImGui.IsAnyItemHovered() && !ImGui.GetIO().KeyCtrl && ImGui.IsWindowHovered(.AllowWhenBlockedByPopup))
_selectedEntities.Clear();
ImGui.End();
}
@@ -88,80 +98,19 @@ namespace GlitchyEditor.EditWindows
/// Deletes all selected entities and their children.
internal void DeleteSelectedEntities()
{
List<EcsEntity> entities = scope .();
for(var entity in _selectedEntities)
for (var entity in _selectedEntities)
{
entities.Add(entity.Handle);
FindChildren(entity.Handle, entities);
_scene.DestroyEntity(entity, true);
}
for(var entityId in entities)
{
Entity entity = .(entityId, _scene);
_scene.DestroyEntity(entity);
}
_selectedEntities.Clear();
}
private void ShowEntityHierarchyMenuBar()
{
if(ImGui.BeginMenuBar())
{
if(ImGui.BeginMenu("Create"))
{
if(ImGui.MenuItem("Empty Entity"))
{
_scene.CreateEntity();
}
Show_ContextMenu_Create(true, true, true);
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity.");
if(ImGui.MenuItem("Empty Child", null, false, !_selectedEntities.IsEmpty))
{
var newEntity = _scene.CreateEntity();
var transformCmp = newEntity.GetComponent<TransformComponent>();
// Last entity in list is the entity that has been selected last.
transformCmp.Parent = _selectedEntities.Back.Handle;
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity that is a child of the currently selected entity.");
if(ImGui.MenuItem("Empty Parent", null, false, !_selectedEntities.IsEmpty && AllSelectionsOnSameLevel()))
{
var commonParent = _selectedEntities.Front.GetComponent<TransformComponent>();
var newEntity = _scene.CreateEntity();
if(commonParent != null)
{
// parent of selected entities is parent of the new entity.
// (which is why this doesn't work if the entities don't have the same parent)
var newEntityTransform = newEntity.GetComponent<TransformComponent>();
newEntityTransform.Parent = commonParent.Parent;
}
// new entity is parent of all selected entities.
for(var selectedEntity in _selectedEntities)
{
var selectedTransform = selectedEntity.GetComponent<TransformComponent>();
selectedTransform.Parent = newEntity.Handle;
}
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity that is the parent of the currently selected entities.");
ImGui.EndMenu();
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity.");
Show_ContextMenu_Delete();
if(ImGui.MenuItem("Delete", null, false, !_selectedEntities.IsEmpty) ||
(Input.IsKeyPressed(.Delete) && ImGui.IsWindowHovered()))
@@ -180,6 +129,114 @@ namespace GlitchyEditor.EditWindows
}
}
/// Creates a new entity that is a child of the given entity.
private void CreateChild(Entity? entity)
{
var newEntity = _scene.CreateEntity();
var transformCmp = newEntity.GetComponent<TransformComponent>();
// Last entity in list is the entity that has been selected last.
transformCmp.Parent = entity?.Handle ?? .InvalidEntity;
}
/// Creates a new entity that is a parent of the selected entities.
private void CreateParent()
{
if (_selectedEntities.IsEmpty || !AllSelectionsOnSameLevel())
{
Log.EngineLogger.Error("Cannot create parent entity.");
return;
}
var commonParent = _selectedEntities.Front.GetComponent<TransformComponent>();
var newEntity = _scene.CreateEntity();
if(commonParent != null)
{
// parent of selected entities is parent of the new entity.
// (which is why this doesn't work if the entities don't have the same parent)
var newEntityTransform = newEntity.GetComponent<TransformComponent>();
newEntityTransform.Parent = commonParent.Parent;
}
// new entity is parent of all selected entities.
for(var selectedEntity in _selectedEntities)
{
var selectedTransform = selectedEntity.GetComponent<TransformComponent>();
selectedTransform.Parent = newEntity.Handle;
}
}
private void Show_ContextMenu_Create(bool allowEmpty = true, bool allowChild = true, bool allowParent = true)
{
if (ImGui.BeginMenu("Create"))
{
if (allowEmpty)
{
if(ImGui.MenuItem("Empty Entity"))
{
if (_selectedEntities.IsEmpty)
_scene.CreateEntity();
else
{
Entity? parent = _selectedEntities.Back.Parent;
CreateChild(parent);
}
}
if(ImGui.IsItemHovered())
{
ImGui.SetTooltip("Create a new Entity.");
}
}
if (allowChild)
{
if(ImGui.MenuItem("Empty Child", null, false, !_selectedEntities.IsEmpty))
{
CreateChild(_selectedEntities.Back);
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity that is a child of the selected entity.");
}
if (allowParent)
{
if(ImGui.MenuItem("Parent", null, false, !_selectedEntities.IsEmpty && AllSelectionsOnSameLevel()))
{
CreateParent();
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity that is the parent of the selected entities.");
}
ImGui.EndMenu();
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Create a new Entity.");
}
private bool Show_ContextMenu_Delete()
{
bool deleted = false;
if(ImGui.MenuItem("Delete", null, false, !_selectedEntities.IsEmpty))
{
DeleteSelectedEntities();
deleted = true;
}
if(ImGui.IsItemHovered())
ImGui.SetTooltip("Deletes the selected Entities and their children.");
return deleted;
}
private void ImGuiPrintEntityTree(TreeNode<Entity> tree)
{
String name = null;
@@ -195,7 +252,7 @@ namespace GlitchyEditor.EditWindows
name = scope:: $"Entity {(tree.Value.Handle.[Friend]Index)}";
}
ImGui.TreeNodeFlags flags = .OpenOnArrow | .DefaultOpen;
ImGui.TreeNodeFlags flags = .OpenOnArrow | .DefaultOpen | .SpanAvailWidth;
if(tree.Children.Count == 0)
flags |= .Leaf;
@@ -207,6 +264,23 @@ namespace GlitchyEditor.EditWindows
bool isOpen = ImGui.TreeNodeEx((void*)(uint)tree.Value.Handle.[Friend]Index, flags, $"{name}");
ImGui.PushID((void*)(uint)tree.Value.Handle.[Friend]Index);
bool deleted = false;
if (ImGui.BeginPopupContextItem("treeNodePopup"))
{
Show_ContextMenu_Create(true, true, true);
deleted = Show_ContextMenu_Delete();
ImGui.EndPopup();
}
ImGui.PopID();
if (deleted)
return;
if(ImGui.BeginDragDropSource())
{
ImGui.SetDragDropPayload("DND_Entity", &tree.Value, sizeof(Entity));
@@ -259,7 +333,8 @@ namespace GlitchyEditor.EditWindows
ImGui.EndDragDropTarget();
}
bool clicked = ImGui.IsItemClicked();
bool clicked = ImGui.IsItemClicked(.Left);
bool clickedRight = ImGui.IsItemClicked(.Right);
if(isOpen)
{
@@ -271,23 +346,23 @@ namespace GlitchyEditor.EditWindows
ImGui.TreePop();
}
if(clicked)
if (clicked || clickedRight)
{
if(inSelectedList)
if (inSelectedList && !clickedRight)
{
_selectedEntities.Remove(tree.Value);
inSelectedList = false;
}
else
{
if(!ImGui.GetIO().KeyCtrl)
if (!ImGui.GetIO().KeyCtrl && !clickedRight)
{
_selectedEntities.Clear();
}
_selectedEntities.Add(tree.Value);
inSelectedList = true;
}
inSelectedList = !inSelectedList;
}
}