# HG changeset patch
# User Neil Muller <drnlmuller@gmail.com>
# Date 1302360654 -7200
# Node ID 1501d9b7f5dd1b899e76a180fb27e1c0e2a380e1
# Parent  488ab520408c9ecd80b7d56cf1177794c4f71ebd
Don't allow patrolling monsters to walk off edges

diff -r 488ab520408c -r 1501d9b7f5dd skaapsteker/sprites/base.py
--- a/skaapsteker/sprites/base.py	Sat Apr 09 16:41:38 2011 +0200
+++ b/skaapsteker/sprites/base.py	Sat Apr 09 16:50:54 2011 +0200
@@ -238,6 +238,22 @@
                 self.facing = 'left'
                 self._update_image(True)
 
+    def check_floors(self, floors):
+        """If we're only on 1 floor tile, and our centre is beyond half way,
+           turn back"""
+        if len(floors) > 1:
+            return
+
+        floor = floors[0]
+
+        if self.facing == 'left':
+            if self.collide_rect.centerx < floor.collide_rect.centerx:
+                self.facing = 'right'
+                self._update_image(True)
+        else:
+            if self.collide_rect.centerx > floor.collide_rect.centerx:
+                self.facing = 'left'
+                self._update_image(True)
 
 class NPC(AnimatedGameSprite):