Add a isDisplacement bool

src/graphics/stkmeshscenenode.cpp

@@ -16,6 +16,7 @@ STKMeshSceneNode::STKMeshSceneNode(irr::scene::IMesh* mesh, ISceneNode* parent,
     const irr::core::vector3df& scale) :
     CMeshSceneNode(mesh, parent, mgr, id, position, rotation, scale)
 {
+    isDisplacement = false;
     immediate_draw = false;
     update_each_frame = false;
     createGLMeshes();

src/graphics/stkmeshscenenode.hpp

@@ -25,6 +25,7 @@ protected:
     bool isMaterialInitialized;
     bool immediate_draw;
     bool update_each_frame;
+    bool isDisplacement;
 public:
     void setReloadEachFrame(bool);
     STKMeshSceneNode(irr::scene::IMesh* mesh, ISceneNode* parent, irr::scene::ISceneManager* mgr, irr::s32 id,
@@ -34,6 +35,7 @@ public:
     virtual void render();
     virtual void setMesh(irr::scene::IMesh* mesh);
     virtual ~STKMeshSceneNode();
+    void setIsDisplacement(bool v) { isDisplacement = v; }
 };
 
 #endif