Drag/drop to change entity parent/child relationship working

docs/tasks/editor.todo

@@ -1,7 +1,8 @@
 
 Editor:  
-    ☐ Remove Entity
+
-    ☐ Remove Component
+    ✔ Remove Entity @done(22-10-14 18:28)
+    ✔ Remove Component @done(22-10-14 18:28)
     ✔ Add Entity children @done(22-09-14 15:07)
     ✔ Entity Parent/Child hierarchy system @done(22-09-14 15:07)
     ✔ Give Entities a name property separate from the tag component @done(22-09-14 15:06)
@@ -56,10 +57,14 @@ Editor:
             ☐ Toolbar with play/pause/stop buttons
 
         World Hierarchy (Tree View):
-            ☐ Handle showing Enities with children @high
+            ☐ If control is held while dropping and entities, reorder the dropped entity instead of parenting
-            ☐ Handle adding child entities @high
+                - This will allow for reorganizing the hierarchy
+            ☐ Add "move up" and "move down" options to the entity context menu
+                - Another way to reorganize the hierarchy
+            ✔ Handle showing Enities with children @high @done(22-10-14 18:29)
+            ✔ Handle adding child entities @high @done(22-10-14 18:29)
                 If an entity was right clicked on the new entity should be a child of the clicked entity
-            ☐ Handle drag and dropping entities to change the child/parent relationships @high
+            ✔ Handle drag and dropping entities to change the child/parent relationships @high @done(22-10-14 18:46)
 
         Asset Viewer:
             ✔ Get references to the EditorAsset objects instead of the raw file locations @done(22-06-01 18:48)

src/run_modes/editor/panels/world_tree.cpp

@@ -165,7 +165,8 @@ namespace lunarium { namespace editor
                     // If the dropped ent is the parent of pEnt then we need to swap the relationship
                     if (pEnt->HasParent() && pEnt->GetParent() == pDroppedEnt->GetUUID())
                     {
-                        // TODO: Finish Entity Drop Logic
+                        pDroppedEnt->RemoveChild(pEnt->GetUUID());
+                        pEnt->AddChild(pDroppedEnt->GetUUID());
                     }
 
                     // If the dropped ent is already a child of pEnt then we do nothing
@@ -192,9 +193,14 @@ namespace lunarium { namespace editor
             if (pEnt->HasChildren())
             {
                 const std::vector<LUUID>& children = pEnt->GetChildren();
-                for (auto iter = children.begin(); iter != children.end(); iter++)
+                // for (auto iter = children.begin(); iter != children.end(); iter++)
+                // {
+                //     Entity* pe = mpWorld->GetEntity((*iter));
+                //     ShowEntity(pe);
+                // }
+                for (int i = 0; i < children.size(); i++)
                 {
-                    Entity* pe = mpWorld->GetEntity((*iter));
+                    Entity* pe = mpWorld->GetEntity(children[i]);
                     ShowEntity(pe);
                 }
             }