function c_doenemyai(target) {
	switch target.data.aitype {
		case AI.AFK:
			target.waiting = true;
			break;
		case AI.KILLER:
			var dude = c_findnearestunit(ARMY.US);
			repeat(target.data.mov.val) {
				var guy = c_gettile(target.pos.x, target.pos.y);
				if target.pos.x < dude.x {
					var guy = c_gettile(target.pos.x+1, target.pos.y);
				} else if target.pos.x > dude.x {
					var guy = c_gettile(target.pos.x-1, target.pos.y);
				}
				if target.pos.y < dude.y {
					var guy = c_gettile(target.pos.x+1, target.pos.y);
				} else if target.pos.x > dude.x {
					var guy = c_gettile(target.pos.x-1, target.pos.y);
				}
				if guy.passable {
					c_moveunit(target, guy);
					continue;
				}
			}
			target.waiting = true;
			break;
		case AI.WAITER:
			
			break;
		case AI.ESCAPER:
			
			break;
	}
}

function c_findnearestunit(alignment) {
	var lowest = new vec2(99, 99);
	var lowestunit = new vec2(99, 99);
	for (i=0; i<array_length(global.units[alignment]); i++) {
		var guy = global.units[alignment][i].pos;
		if (lowest.x + lowest.y < guy.x + guy.y) {
			lowest = guy;
			lowestunit = global.units[alignment][i];
		}
	}
	return 
}