Add walk animation

game/systems.h

@@ -53,13 +53,6 @@ void entitySpatialRemove(ecs_iter_t *it);
  */
 void entityPathRemove(ecs_iter_t *it);
 
-/* Observer (for updating animation state)
- * 1: Animation
- * 2: AnimationType
- */
-void entitySetAnimationState(ecs_iter_t *it);
-
-
 /*
  * 0: Game (singleton) for entity map
  * 1: Position
@@ -93,17 +86,10 @@ void entityMoveToTarget(ecs_iter_t *it);
  */
 void entityFollowPath(ecs_iter_t *it);
 
-/*
- * 0: Game (for pathfinding)
- * 1: Position
- * 2: Rotation
- * 3: HarvestTask
- */
-void entityHarvestTaskSystem(ecs_iter_t *it);
 
 /*
- * 1: Velocity
- * 2: AnimationType
+ * 1: Animation
+ * 2: TextureRegion
  */
 void entityUpdateAnimationState(ecs_iter_t *it);
 /*