Aquila - A* Pathfinding for GameMaker

GameMaker has some really nice built-in pathfinding in the form of mp_grids; in fact, I often go as far as saying they're my favorite built-in system of GameMaker.  They're great if you want to be able to navigate through a grid-based structure like a maze, but sometimes they're not quite the right tool for the job. Did you ever want to implement Google Maps in GameMaker? Probably not, but bear wi…