Added security check if file not found

src/models.c

@@ -559,13 +559,23 @@ Model LoadModel(const char *fileName)
 {
     VertexData vData;
     
+    Model model;
+    
+    // TODO: Initialize default data for model in case loading fails, maybe a cube?
+
     if (strcmp(GetExtension(fileName),"obj") == 0) vData = LoadOBJ(fileName);
     else TraceLog(WARNING, "[%s] Model extension not recognized, it can't be loaded", fileName);
 
     // NOTE: At this point we have all vertex, texcoord, normal data for the model in vData struct
     
+    if (vData.vertexCount == 0)
+    {
+        TraceLog(WARNING, "Model could not be loaded");
+    }
+    else
+    {
         // NOTE: model properties (transform, texture, shader) are initialized inside rlglLoadModel()
-    Model model = rlglLoadModel(vData);     // Upload vertex data to GPU
+        model = rlglLoadModel(vData);     // Upload vertex data to GPU
 
         // Now that vertex data is uploaded to GPU, we can free arrays
         // NOTE: We don't need CPU vertex data on OpenGL 3.3 or ES2
@@ -575,6 +585,7 @@ Model LoadModel(const char *fileName)
             free(vData.texcoords);
             free(vData.normals);
         }
+    }
 
     return model;
 }