BGE: Add recursive dupli group deletion

This patch will delete all associated objects from a group instance (dupli group) if the are deleted.

Reviewers: brita_, sybren, lordloki, moguri

Reviewed By: lordloki, moguri

Projects: #game_engine

Maniphest Tasks: T36388

Differential Revision: https://developer.blender.org/D1205

1 files changed, 15 insertions, 4 deletions

diff --git a/source/gameengine/Ketsji/KX_Scene.cpp b/source/gameengine/Ketsji/KX_Scene.cpp
index 723736906a9..c9c63371713 100644
--- a/source/gameengine/Ketsji/KX_Scene.cpp
+++ b/source/gameengine/Ketsji/KX_Scene.cpp
@@ -1006,17 +1006,28 @@ void KX_Scene::RemoveObject(class CValue* gameobj)
 	//newobj->SetSGNode(0);
 }
 
+void KX_Scene::RemoveDupliGroup(class CValue *gameobj)
+{
+	KX_GameObject *newobj = (KX_GameObject *) gameobj;
+
+	if (newobj->IsDupliGroup()) {
+		for (int i = 0; i < newobj->GetInstanceObjects()->GetCount(); i++) {
+			CValue *obj = newobj->GetInstanceObjects()->GetValue(i);
+			DelayedRemoveObject(obj);
+		}
+	}
+}
+
 void KX_Scene::DelayedRemoveObject(class CValue* gameobj)
 {
-	//KX_GameObject* newobj = (KX_GameObject*) gameobj;
+	RemoveDupliGroup(gameobj);
+
 	if (!m_euthanasyobjects->SearchValue(gameobj))
 	{
 		m_euthanasyobjects->Add(gameobj->AddRef());
-	} 
+	}
 }
 
-
-
 int KX_Scene::NewRemoveObject(class CValue* gameobj)
 {
 	int ret;