Fixed problem with planet textures when switching between lat/long and cube map textures.

git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@3719 127b21dd-08f5-0310-b4b7-95ae10353056

src/Core/Entities/PlanetEntity.m

@@ -915,6 +915,7 @@ static int baseVertexIndexForEdge(int va, int vb, BOOL textured);
 	if (fileName == nil)  return NO;
 	
 	[self loadTexture:OOTextureSpecFromObject(fileName, nil)];
+	[self deleteDisplayLists];
 	
 	OOUInteger i;
 	[self setModelName:kTexturedPlanetModel];
@@ -1348,6 +1349,12 @@ static int baseVertexIndexForEdge(int va, int vb, BOOL textured)
 }
 
 
+- (void)resetGraphicsState
+{
+	[self deleteDisplayLists];
+}
+
+
 - (BOOL) isExplicitlyTextured
 {
 	return isTextureImage;