Quote Originally Posted by Darkhog View Post
Problem is that when checking for collision with one sprite (it's pixel-perfect by the way) I can't tell if part of sprite player is colliding with is spike or harmless object, hence two sprites per chunk - one for harmful things and other for harmless. Supposedly I could do like you are saying, but I'm too much of a n00b yet and I'm basically learning Allegro with this project so...
How big are your sprites? Are you using one sprite for whole map section?