Assume all assets for a .json are in the same directory as the .json,…

… unless offset in the .mtl file.

Update the bundler script and one asset to reflect this change.

input/shapes/gridplane.mtl

@@ -10,4 +10,4 @@ Ke 0.0 0.0 0.0
 Ni 1.450000
 d 1.000000
 illum 2
-map_Kd shapes/grid.png
+map_Kd grid.png

scripts/bundle.py

@@ -95,7 +95,7 @@ def copy_file(src, dest):
 								texs = textures_from_mtl(assetPath + path_offset + mtl)
 								for tex in texs:
 									mkdir_if_need(destPath + '/' + path_offset + dest_offset)
-									copy_file(assetPath + tex, destPath + '/' + path_offset + dest_offset)
+									copy_file(assetPath + path_offset + tex, destPath + '/' + path_offset + dest_offset)
 	shutil.make_archive(destPath, 'zip', destPath)
 	shutil.rmtree(destPath)
 	print('\n\nBundle ' + destPath + '.zip created!')

src/utils/loaders/sceneloader.c

@@ -193,7 +193,7 @@ bool loadMesh(struct renderer *r, char *inputFilePath, int idx, int meshCount) {
 	}
 
 	//Load textures for meshes
-	loadMeshTextures(r->prefs.assetPath, newMesh);
+	loadMeshTextures(getFilePath(inputFilePath), newMesh);
 
 	//Delete OBJ data
 	delete_obj_data(&data);