diff --git a/src/engine/include/models/mesh_frame.hpp b/src/engine/include/models/mesh_frame.hpp
index 99ec249..d078bca 100644
--- a/src/engine/include/models/mesh_frame.hpp
+++ b/src/engine/include/models/mesh_frame.hpp
@@ -119,6 +119,9 @@ public:
     const u8 &areMaterialsAllocated() const { return _areMaterialsAllocated; };
     const u8 &isBoundingBoxCalculated() const { return _isBoundingBoxCalculated; };
 
+    const u8 &areSTsPresent() const { return _areSTsPresent; };
+    const u8 &areNormalsPresent() const { return _areNormalsPresent; };
+
     /** Set STs count and allocate memory. */
     void allocateSTs(const u32 &t_val);
 
@@ -131,6 +134,9 @@ public:
     /** Set materials count and allocate memory. */
     void allocateMaterials(const u32 &t_val);
 
+    void setSTsPresent(const u8 &b) { _areSTsPresent = b; };
+    void setNormalsPresent(const u8 &b) { _areNormalsPresent = b; };
+
     /** 
      * Calculates bounding box (AABB) for frame and for materiaals.
      * Should be called by data loader,
@@ -144,6 +150,8 @@ private:
         _areVerticesAllocated,
         _areNormalsAllocated,
         _areMaterialsAllocated,
+        _areSTsPresent,
+        _areNormalsPresent,
         _isBoundingBoxCalculated;
     u32 vertexCount, stsCount, normalsCount, materialsCount;
     MeshMaterial *materials;
diff --git a/src/engine/loaders/obj_loader.cpp b/src/engine/loaders/obj_loader.cpp
index 2e32eef..7b161ef 100644
--- a/src/engine/loaders/obj_loader.cpp
+++ b/src/engine/loaders/obj_loader.cpp
@@ -145,9 +145,7 @@ void ObjLoader::load(MeshFrame *o_result, char *t_filename, float t_scale, u8 t_
                     //if(fscanf
 
                 }*/
-                switch (matches)
-                {
-                case 9:
+                if (matches == 9)
                 {
                     o_result->getMaterial(materialsI).setVertexFace(faceI, vertexIndex[0] - 1);
                     o_result->getMaterial(materialsI).setVertexFace(faceI + 1, vertexIndex[1] - 1);
@@ -156,14 +154,15 @@ void ObjLoader::load(MeshFrame *o_result, char *t_filename, float t_scale, u8 t_
                     o_result->getMaterial(materialsI).setSTFace(faceI, coordIndex[0] - 1);
                     o_result->getMaterial(materialsI).setSTFace(faceI + 1, coordIndex[1] - 1);
                     o_result->getMaterial(materialsI).setSTFace(faceI + 2, coordIndex[2] - 1);
+                    o_result->setSTsPresent(true);
 
                     o_result->getMaterial(materialsI).setNormalFace(faceI, normalIndex[0] - 1);
                     o_result->getMaterial(materialsI).setNormalFace(faceI + 1, normalIndex[1] - 1);
                     o_result->getMaterial(materialsI).setNormalFace(faceI + 2, normalIndex[2] - 1);
+                    o_result->setNormalsPresent(true);
                     faceI += 3;
-                    break;
                 }
-                case 2:
+                else if (matches == 2)
                 {
                     o_result->getMaterial(materialsI).setVertexFace(faceI, vertexIndex[0] - 1);
                     o_result->getMaterial(materialsI).setVertexFace(faceI + 1, vertexIndex[1] - 1);
@@ -172,10 +171,10 @@ void ObjLoader::load(MeshFrame *o_result, char *t_filename, float t_scale, u8 t_
                     o_result->getMaterial(materialsI).setSTFace(faceI, coordIndex[0] - 1);
                     o_result->getMaterial(materialsI).setSTFace(faceI + 1, coordIndex[1] - 1);
                     o_result->getMaterial(materialsI).setSTFace(faceI + 2, coordIndex[2] - 1);
+                    o_result->setSTsPresent(true);
                     faceI += 2;
-                    break;
                 }
-                case 1:
+                else if (matches == 1)
                 {
                     if (newerMatches == 3)
                     {
@@ -193,10 +192,9 @@ void ObjLoader::load(MeshFrame *o_result, char *t_filename, float t_scale, u8 t_
                         o_result->getMaterial(materialsI).setNormalFace(faceI, normalIndex[0] - 1);
                         o_result->getMaterial(materialsI).setNormalFace(faceI + 1, normalIndex[1] - 1);
                         o_result->getMaterial(materialsI).setNormalFace(faceI + 2, normalIndex[2] - 1);
+                        o_result->setNormalsPresent(true);
                         faceI += 2;
                     }
-                    break;
-                }
                 }
             }
         }
diff --git a/src/engine/models/mesh_frame.cpp b/src/engine/models/mesh_frame.cpp
index ff9883d..b193577 100644
--- a/src/engine/models/mesh_frame.cpp
+++ b/src/engine/models/mesh_frame.cpp
@@ -25,6 +25,8 @@ MeshFrame::MeshFrame()
     _areVerticesAllocated = false;
     _areNormalsAllocated = false;
     _areMaterialsAllocated = false;
+    _areSTsPresent = false;
+    _areNormalsPresent = false;
 }
 
 MeshFrame::~MeshFrame()