Multiple textured layers
This enables maps to have more than 1 texture per layer
Textures are following its indexation as texture1, texture2 and so on, because the Metal renderer still has not support for texture arrays, and 4 textures limit is a good starting point.
Thanks, but with this patch, many tests rendering result incorrect
such as we can't see any trees:

My apologies, I have to review code again. Thanks!
My apologies, I have to review code again. Thanks!
@balancedwolf Are you working on it? Also a test/demo should be on cpp-test
@halx99 Maybe moving to discussion is better now? Add to ideas?
@DelinWorks , Do you see any way to fix this? I think you are very familiar with TMX
@aismann Done!
@aismann Done! @DelinWorks Thats why I gave you this part ;) Good work!