# HG changeset patch
# User Thibaut Girka <thib@sitedethib.com>
# Date 1315256683 -7200
# Node ID 5d9052b9a4e80b5ff9346611b5144076f6d68f7a
# Parent  c7847bfed427f3aec1d04fb9b15a66993c269f98
(almost) implement Cirno's freezing spellcard

diff --git a/pytouhou/formats/ecl.py b/pytouhou/formats/ecl.py
--- a/pytouhou/formats/ecl.py
+++ b/pytouhou/formats/ecl.py
@@ -117,7 +117,7 @@ class ECL(object):
                      118: ('iihh', None),
                      119: ('i', 'drop_bonus'),
                      120: ('i', 'set_automatic_orientation'),
-                     121: ('ii', None),
+                     121: ('ii', 'call_special_function'),
                      122: ('i', None),
                      123: ('i', 'skip_frames'),
                      124: ('i', 'drop_specific_bonus'),
diff --git a/pytouhou/game/bullet.py b/pytouhou/game/bullet.py
--- a/pytouhou/game/bullet.py
+++ b/pytouhou/game/bullet.py
@@ -110,13 +110,23 @@ class Bullet(object):
         rec[2].extend(sprite._colors)
 
 
+    def set_anim(self, anim_idx=None, sprite_idx_offset=None):
+        if anim_idx is not None:
+            self.anim_idx = anim_idx
+
+        if sprite_idx_offset is not None:
+            self.sprite_idx_offset = sprite_idx_offset
+
+        self._sprite = Sprite()
+        anm_wrapper = self._game_state.resource_loader.get_anm_wrapper(('etama3.anm',)) #TODO
+        self._anmrunner = ANMRunner(anm_wrapper, self.anim_idx,
+                                    self._sprite, self.sprite_idx_offset)
+
+
     def update(self):
         if not self._sprite or self._sprite._removed:
             self._launched = True
-            self._sprite = Sprite()
-            anm_wrapper = self._game_state.resource_loader.get_anm_wrapper(('etama3.anm',)) #TODO
-            self._anmrunner = ANMRunner(anm_wrapper, self.anim_idx,
-                                        self._sprite, self.sprite_idx_offset)
+            self.set_anim()
 
         self._anmrunner.run_frame()
         self._sprite.update(angle_base=self.angle)
diff --git a/pytouhou/vm/eclrunner.py b/pytouhou/vm/eclrunner.py
--- a/pytouhou/vm/eclrunner.py
+++ b/pytouhou/vm/eclrunner.py
@@ -13,7 +13,7 @@
 ##
 
 
-from math import atan2, cos, sin
+from math import atan2, cos, sin, pi
 
 from pytouhou.utils.helpers import get_logger
 
@@ -763,6 +763,21 @@ class ECLRunner(object):
         self._enemy.automatic_orientation = bool(flags & 1)
 
 
+    @instruction(121)
+    def call_special_function(self, function, arg):
+        if function == 0: # Cirno
+            if arg == 0:
+                for bullet in self._game_state.bullets:
+                    bullet.speed = bullet.angle = 0.
+                    bullet.set_anim(sprite_idx_offset=0) #TODO: check
+            else:
+                for bullet in self._game_state.bullets:
+                    bullet.speed = 2.0 #TODO
+                    bullet.angle = self._game_state.prng.rand_double() * pi #TODO
+        else:
+            logger.warn("Unimplemented special function %d!", function)
+
+
     @instruction(123)
     def skip_frames(self, frames):
         #TODO: is that all?