Action.step: Remove special-case dependency on ActionDef / ActionRef.
[python-bulletml.git] / bulletml / impl.py
index 836fb41..8ef78ab 100644 (file)
@@ -4,8 +4,6 @@ from __future__ import division
 
 from math import atan2, sin, cos
 
-from bulletml.parser import ActionDef, ActionRef
-
 __all__ = ["Action", "Bullet"]
 
 class Action(object):
@@ -48,10 +46,6 @@ class Action(object):
         return "%s(pc=%r, actions=%r)" % (
             type(self).__name__, self.pc, self.actions)
 
-    def Child(self, action, params, rank, repeat=1):
-        actions, params = action(params, rank)
-        return type(self)(self, actions, params, rank, repeat)
-
     def vanish(self):
         """End this action and its parents."""
         if self.parent:
@@ -80,8 +74,8 @@ class Action(object):
             owner.speed += self.speed
 
         if self.direction_frames > 0:
-            # I'm still not sure what the aim check is supposed to do.
             self.direction_frames -= 1
+            # I'm still not sure what the aim check is supposed to do.
             if self.aiming and self.direction_frames <= 0:
                 owner.direction += owner.aim
             else:
@@ -120,13 +114,7 @@ class Action(object):
                     self.pc = 0
                     action = self.actions[self.pc]
 
-            if isinstance(action, (ActionDef, ActionRef)):
-                child = self.Child(action, s_params, rank)
-                owner.replace(self, child)
-                child.step(owner, created)
-                break
-
-            elif action(owner, self, s_params, rank, created):
+            if action(owner, self, s_params, rank, created):
                 break
 
 class Bullet(object):
@@ -171,10 +159,8 @@ class Bullet(object):
     def FromDocument(cls, doc, x=0, y=0, direction=0, speed=0, target=None,
                      params=(), rank=0.5, Action=Action):
         """Construct a new Bullet from a loaded BulletML document."""
-        actions = [action(params, rank) for action in doc.actions]
-        # New bullets reset the parent hierarchy.
-        actions = [Action(None, action, params, rank)
-                   for action, params in actions]
+        actions = [action(None, Action, params, rank)
+                   for action in doc.actions]
         return cls(x=x, y=y, direction=direction, speed=speed,
                    target=target, actions=actions, rank=rank)