From 1367895ae226b4bbdc152274329c789cb5738022 Mon Sep 17 00:00:00 2001
From: sapier <Sapier at GMX dot net>
Date: Sun, 29 Jun 2014 11:57:01 +0200
Subject: [PATCH] Make sure none of the irrlicht member objects of GenericCAO
 are deleted prior deletion of GenericCAO

---
 src/content_cao.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/content_cao.cpp b/src/content_cao.cpp
index aa999b3a..a05936d2 100644
--- a/src/content_cao.cpp
+++ b/src/content_cao.cpp
@@ -751,6 +751,7 @@ void GenericCAO::removeFromScene(bool permanent)
 	if(m_meshnode)
 	{
 		m_meshnode->remove();
+		m_meshnode->drop();
 		m_meshnode = NULL;
 	}
 	if(m_animated_meshnode)
@@ -762,8 +763,15 @@ void GenericCAO::removeFromScene(bool permanent)
 	if(m_spritenode)
 	{
 		m_spritenode->remove();
+		m_spritenode->drop();
 		m_spritenode = NULL;
 	}
+	if (m_textnode)
+	{
+		m_textnode->remove();
+		m_textnode->drop();
+		m_textnode = NULL;
+	}
 }
 
 void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
@@ -787,6 +795,7 @@ void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 		infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 		m_spritenode = smgr->addBillboardSceneNode(
 				NULL, v2f(1, 1), v3f(0,0,0), -1);
+		m_spritenode->grab();
 		m_spritenode->setMaterialTexture(0,
 				tsrc->getTexture("unknown_node.png"));
 		m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
@@ -852,6 +861,7 @@ void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 		buf->drop();
 		}
 		m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
+		m_meshnode->grab();
 		mesh->drop();
 		// Set it to use the materials of the meshbuffers directly.
 		// This is needed for changing the texture in the future
@@ -861,6 +871,7 @@ void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 		infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 		scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 		m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
+		m_meshnode->grab();
 		mesh->drop();
 		
 		m_meshnode->setScale(v3f(m_prop.visual_size.X,
@@ -912,6 +923,7 @@ void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 			scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
 
 			m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
+			m_meshnode->grab();
 			mesh->drop();
 			
 			m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
@@ -939,6 +951,7 @@ void GenericCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
 		std::wstring wname = narrow_to_wide(m_name);
 		m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
 				wname.c_str(), video::SColor(255,255,255,255), node);
+		m_textnode->grab();
 		m_textnode->setPosition(v3f(0, BS*1.1, 0));
 	}
 
-- 
2.30.2