# HG changeset patch
# User Thibaut Girka <thib@sitedethib.com>
# Date 1315080520 -7200
# Node ID f5f9b5eb69a305da69bf8f119f4431480779412a
# Parent  211e84207b3bc3164308a80a9581ccb36603f8dc
Handle one more ANM instruction, and handle sprite indexes offsets

diff --git a/pytouhou/formats/anm0.py b/pytouhou/formats/anm0.py
--- a/pytouhou/formats/anm0.py
+++ b/pytouhou/formats/anm0.py
@@ -46,7 +46,7 @@ class Animations(object):
                      23: ('', 'set_corner_relative_placement'),
                      24: ('', None),
                      25: ('i', 'set_allow_offset'), #TODO: better name
-                     26: ('i', None),
+                     26: ('i', 'set_automatic_orientation'),
                      27: ('f', 'shift_texture_x'),
                      28: ('f', 'shift_texture_y'),
                      30: ('ffi', 'scale_in'),
diff --git a/pytouhou/game/sprite.py b/pytouhou/game/sprite.py
--- a/pytouhou/game/sprite.py
+++ b/pytouhou/game/sprite.py
@@ -47,6 +47,8 @@ class Sprite(object):
         self.fade_interpolator = None
         self.offset_interpolator = None
 
+        self.automatic_orientation = False
+
         self.blendfunc = 0 # 0 = Normal, 1 = saturate #TODO: proper constants
 
         self.texcoords = (0, 0, 0, 0) # x, y, width, height
diff --git a/pytouhou/vm/anmrunner.py b/pytouhou/vm/anmrunner.py
--- a/pytouhou/vm/anmrunner.py
+++ b/pytouhou/vm/anmrunner.py
@@ -24,10 +24,11 @@ logger = get_logger(__name__)
 class ANMRunner(object):
     __metaclass__ = MetaRegistry
     __slots__ = ('_anm_wrapper', '_sprite', '_running',
+                 'sprite_index_offset',
                  'script', 'instruction_pointer', 'frame')
 
 
-    def __init__(self, anm_wrapper, script_id, sprite):
+    def __init__(self, anm_wrapper, script_id, sprite, sprite_index_offset=0):
         self._anm_wrapper = anm_wrapper
         self._sprite = sprite
         self._running = True
@@ -35,7 +36,8 @@ class ANMRunner(object):
         anm, self.script = anm_wrapper.get_script(script_id)
         self.frame = 0
         self.instruction_pointer = 0
-        pass
+
+        self.sprite_index_offset = sprite_index_offset
 
 
     def run_frame(self):
@@ -73,7 +75,7 @@ class ANMRunner(object):
 
     @instruction(1)
     def load_sprite(self, sprite_index):
-        self._sprite.anm, self._sprite.texcoords = self._anm_wrapper.get_sprite(sprite_index)
+        self._sprite.anm, self._sprite.texcoords = self._anm_wrapper.get_sprite(sprite_index + self.sprite_index_offset)
 
 
     @instruction(2)
@@ -159,6 +161,13 @@ class ANMRunner(object):
         self._sprite.allow_dest_offset = bool(value)
 
 
+    @instruction(26)
+    def set_automatic_orientation(self, value):
+        """If true, rotate by pi-angle around the z axis.
+        """
+        self._sprite.automatic_orientation = bool(value)
+
+
     @instruction(27)
     def shift_texture_x(self, dx):
         tox, toy = self._sprite.texoffsets