--- a/display.py	Sun Aug 21 18:45:26 2011 +0200
+++ b/display.py	Sun Aug 21 19:13:26 2011 +0200
@@ -47,12 +47,13 @@
 
 
 class Sprite(pygame.sprite.Sprite):
-    def __init__(self, x, y, filename):
+    def __init__(self, x, y, filename, tx=0, ty=0):
         super(Sprite, self).__init__()
         self.frames = sprites[filename]
-        self.image = self.frames[0][0]
+        self.image = self.frames[tx][ty]
         self.rect = self.image.get_rect()
-        self.rect.move_ip(x * 24 - 4, y * 16 - 18)
+        self.rect.move_ip(x * 24 - 4, y * 16 - 16)
+        self.depth = self.rect.midbottom[1]
 
 
 class Overlay(pygame.sprite.Sprite):

--- a/hero.py	Sun Aug 21 18:45:26 2011 +0200
+++ b/hero.py	Sun Aug 21 19:13:26 2011 +0200
@@ -32,6 +32,7 @@
             for step in range(2):
                 yield
                 self.rect.move_ip(dx * 3, dy * 2)
+                self.depth = self.rect.midbottom[1] + 1
 
     def anim_blocked(self, dx, dy):
         self.facing = self.faces[dx][dy]
@@ -42,6 +43,7 @@
 
     def anim_drop(self):
         self.rect.move_ip(0, -15)
+        self.depth = self.rect.midbottom[1] + 1
         for step in range(6):
             yield
             self.rect.move_ip(0, step)

--- a/level.py	Sun Aug 21 18:45:26 2011 +0200
+++ b/level.py	Sun Aug 21 19:13:26 2011 +0200
@@ -3,6 +3,7 @@
 
 import display
 import hero
+import thing
 import generator
 import pygame
 
@@ -26,9 +27,15 @@
     tx, ty = 0, 3
 
 
-class StairsTile(Tile):
+class DoorTile(Tile):
     tx, ty = 3, 3
 
+    def render(self, to_display):
+        super(DoorTile, self).render(to_display)
+        v = self.y-1 > 0 and self.map[self.y-1][self.x] == 'x'
+        door = thing.Door(self.x, self.y, vertical=v)
+        to_display.sprites.add(door.sprite)
+
 
 class WallTile(Tile):
     filename = 'wall.png'
@@ -65,7 +72,7 @@
 class Level(object):
     key = {
         '.': Tile,
-        '+': StairsTile,
+        '+': DoorTile,
         ',': CorridorTile,
         'x': WallTile,
     }

Binary file objects.png has changed

--- a/thing.py	Sun Aug 21 18:45:26 2011 +0200
+++ b/thing.py	Sun Aug 21 19:13:26 2011 +0200
@@ -3,6 +3,12 @@
 
 import display
 
-class Thing(display.Sprite):
-    def __init__(self, x, y):
-        super(Door, self).__init__(x, y, 'objects.png')
+class Door(object):
+    def __init__(self, x, y, vertical):
+        self.x = x
+        self.y = y
+        if vertical:
+            tx = 1
+        else:
+            tx = 0
+        self.sprite = display.Sprite(x, y, 'objects.png', tx, 0)