Add support for normal maps for lighting, e.q. add a normal map to every tileset with the suffic "_normal". Example: tileset1.png --> normal map is tileset1_normal.png in same directory.
Add support for normal maps for lighting, e.q. add a normal map to every tileset with the suffic "_normal".
Example:
tileset1.png --> normal map is tileset1_normal.png in same directory.