Entites will have their parent entity set to NULL now when removed from their parent, lights in the entity editor are now properly removed and added on Undo/Redo events, fixed small icon version in the editor

Core/Contents/Source/PolyEntity.cpp

@@ -240,6 +240,7 @@ void Entity::lookAtEntity(Entity *entity,  const Vector3 &upVector) {
 void Entity::removeChild(Entity *entityToRemove) {
 	for(int i=0;i<children.size();i++) {
 		if(children[i] == entityToRemove) {
+            entityToRemove->setParentEntity(NULL);
 			children.erase(children.begin()+i);
 			return;
 		}

IDE/Contents/Include/PolycodeEntityEditor.h

@@ -73,7 +73,9 @@ class PolycodeSceneEditorActionData : public PolycodeEditorActionData {
         ~PolycodeSceneEditorActionData() {
             if(deleteEntitiesInDestructor) {
                 for(int i=0; i < entries.size(); i++) {
-                    delete entries[i].entity;
+                    if(!entries[i].entity->getParentEntity()) {
+                        delete entries[i].entity;
+                    }
                 }
             }
         }

IDE/Contents/Source/PolycodeEditor.cpp

@@ -106,7 +106,7 @@ void PolycodeEditor::handleEvent(Event *event) {
 			break;
 			case Core::EVENT_UNDO:
 			{
-				if(editorActions.size() > 0) {
+				if(editorActions.size() > 0 && currentUndoPosition >= 0) {
 				doAction(editorActions[currentUndoPosition].actionName, editorActions[currentUndoPosition].beforeData);
 				currentUndoPosition--;
 				if(currentUndoPosition < -1) {

IDE/Contents/Source/PolycodeEntityEditor.cpp

@@ -384,6 +384,12 @@ void EntityEditorMainView::doAction(String actionName, PolycodeEditorActionData
             selectNone(false);
             for(int i=0; i < sceneData->entries.size(); i++) {
                 sceneData->entries[i].parentEntity->addChild(sceneData->entries[i].entity);
+                
+                SceneLight *sceneLight = dynamic_cast<SceneLight*>(sceneData->entries[i].entity);
+                if(sceneLight) {
+                    mainScene->addLight(sceneLight);
+                }
+                
                 setEditorPropsRecursive(sceneData->entries[i].entity);
                 selectEntity(sceneData->entries[i].entity, true, false);
             }
@@ -403,6 +409,13 @@ void EntityEditorMainView::doAction(String actionName, PolycodeEditorActionData
 		} else {
             selectNone(false);
             sceneData->entries[0].parentEntity->addChild(sceneData->entries[0].entity);
+            
+            SceneLight *sceneLight = dynamic_cast<SceneLight*>(sceneData->entries[0].entity);
+            if(sceneLight) {
+                mainScene->addLight(sceneLight);
+            }
+            
+            
             setEditorPropsRecursive(sceneData->entries[0].entity);
             selectEntity(sceneData->entries[0].entity, true, false);
 		}
@@ -776,6 +789,10 @@ void EntityEditorMainView::deleteSelected(bool doAction) {
     }
     for(int i=0; i < selectedEntities.size(); i++) {
         selectedEntities[i]->getParentEntity()->removeChild(selectedEntities[i]);
+        SceneLight *sceneLight = dynamic_cast<SceneLight*>(selectedEntities[i]);
+        if(sceneLight) {
+            mainScene->removeLight(sceneLight);
+        }
     }
     
     for(int i=0; i < selectedEntities.size(); i++) {
@@ -789,7 +806,6 @@ void EntityEditorMainView::deleteSelected(bool doAction) {
             }
         }
         selectedEntities[i]->removeAllHandlers();
-      //  delete selectedEntities[i];
     }
     
     selectedEntities.clear();