BGE Fix [#29575] Object not drawn in game engine

Implementing a GetBlenderImage for KX_BlenderMaterial so that modifiers draw correctly in multitexture mode. The preexisting limitation of 1 texture per material on objects with modifiers in multitexture mode still exists.

source/gameengine/Ketsji/KX_BlenderMaterial.cpp

@@ -157,6 +157,11 @@ Material *KX_BlenderMaterial::GetBlenderMaterial() const
 	return mMaterial->material;
 }
 
+Image *KX_BlenderMaterial::GetBlenderImage() const
+{
+	return mMaterial->tface.tpage;
+}
+
 Scene* KX_BlenderMaterial::GetBlenderScene() const
 {
 	return mScene->GetBlenderScene();

source/gameengine/Ketsji/KX_BlenderMaterial.h

@@ -78,6 +78,7 @@ public:
 	)const;
 
 	Material* GetBlenderMaterial() const;
+	Image* GetBlenderImage() const;
 	MTFace* GetMTFace(void) const;
 	unsigned int* GetMCol(void) const;
 	BL_Texture * getTex (unsigned int idx) {