Consolidate all resources to the IntelliJ resources folder.

src/main/java/com/okseby/core/ObjectLoader.java

@@ -153,9 +153,9 @@ public class ObjectLoader {
             IntBuffer h = stack.mallocInt(1);
             IntBuffer c = stack.mallocInt(1);
 
-            buffer = STBImage.stbi_load(fileName, w, h, c, 4);
+            buffer = STBImage.stbi_load(ObjectLoader.class.getResource(fileName).getFile(), w, h, c, 4);
             if (buffer == null)
-                throw new Exception("Image File " + fileName + " not loaded " + STBImage.stbi_failure_reason());
+                throw new Exception("Image File: '" + fileName + "' not loaded, error: " + STBImage.stbi_failure_reason());
 
             width = w.get();
             height = h.get();

src/main/java/com/okseby/core/test/TestGame.java

@@ -33,7 +33,7 @@ public class TestGame implements ILogic {
         renderer.init();
 
         Model model = loader.loadOBJModel("/models/cube.obj");
-        model.setTexture(new Texture(loader.loadTexture("res/textures/grassblock.jpg")));
+        model.setTexture(new Texture(loader.loadTexture("/textures/grassblock.jpg")));
 
         entity = new Entity(model, new Vector3f(0, 0, -5), new Vector3f(0, 0, 0), 1);
     }