BGE: fix [#35447] LibLoad Meshes and Scenes causes crash of blender

KX_BlenderSceneConverter's destructor freed the contents of several std::vectors without removing those contents from the vectors. Later these vectors are iterated through. Making sure the vectors get cleared solves this problem.

1 files changed, 4 insertions, 0 deletions

diff --git a/source/gameengine/Converter/KX_BlenderSceneConverter.cpp b/source/gameengine/Converter/KX_BlenderSceneConverter.cpp
index 8703a545a4f..19287c1fd62 100644
--- a/source/gameengine/Converter/KX_BlenderSceneConverter.cpp
+++ b/source/gameengine/Converter/KX_BlenderSceneConverter.cpp
@@ -170,6 +170,7 @@ KX_BlenderSceneConverter::~KX_BlenderSceneConverter()
 		delete (*itw).second;
 		itw++;
 	}
+	m_worldinfos.clear();
 
 	vector<pair<KX_Scene*,RAS_IPolyMaterial*> >::iterator itp = m_polymaterials.begin();
 	while (itp != m_polymaterials.end()) {
@@ -177,6 +178,7 @@ KX_BlenderSceneConverter::~KX_BlenderSceneConverter()
 		delete (*itp).second;
 		itp++;
 	}
+	m_polymaterials.clear();
 
 	// delete after RAS_IPolyMaterial
 	vector<pair<KX_Scene*,BL_Material *> >::iterator itmat = m_materials.begin();
@@ -185,6 +187,7 @@ KX_BlenderSceneConverter::~KX_BlenderSceneConverter()
 		delete (*itmat).second;
 		itmat++;
 	}
+	m_materials.clear();
 
 
 	vector<pair<KX_Scene*,RAS_MeshObject*> >::iterator itm = m_meshobjects.begin();
@@ -192,6 +195,7 @@ KX_BlenderSceneConverter::~KX_BlenderSceneConverter()
 		delete (*itm).second;
 		itm++;
 	}
+	m_meshobjects.clear();
 
 #ifdef WITH_BULLET
 	KX_ClearBulletSharedShapes();