[cbk1994]

Well, in case anybody was wondering, the problem was this line:

PHP Code:

if (! (dx in |player.x, player.x + 3| && dy in |player.y, player.y + 3|)) { 


It should have read:

PHP Code:

if (! (dx in |pl.x, pl.x + 3| && dy in |pl.y, pl.y + 3|)) {