-void collisions_tiles_displace(vec2d *desired_position,
- rectangle const *current,
- jumpnrun_level const *level,
- jumpnrun_tile_range const *visible_tiles,
- vec2d *inertia_mod,
- bool *touching_ground);
+bool collisions_tiles_displace(vec2d *desired_position,
+ jumpnrun_moveable *thing,
+ jumpnrun_level const *level,
+ jumpnrun_tile_range const *visible_tiles,
+ vec2d *inertia_mod);