# HG changeset patch
# User Beliar <KarstenBock@gmx.net>
# Date 1330609749 -3600
# Node ID 3abd31885f0f0ea5a31455898ac8b9f8e7027399
# Parent  5d47ad053aefb39d6a23c7c03b80efd180048295
Added a method to the ScriptingSystem that returns the environment(locals, globals) in which scripts are run.

diff -r 5d47ad053aef -r 3abd31885f0f systems/scriptingsystem.py
--- a/systems/scriptingsystem.py	Sun Feb 26 01:58:36 2012 +0100
+++ b/systems/scriptingsystem.py	Thu Mar 01 14:49:09 2012 +0100
@@ -50,8 +50,7 @@
                 action_data = self.running_actions.popleft()
                 action = self.system.actions[action_data[0]]
                 action_params = eval(action_data[1], 
-                                          self.system.funcs, 
-                                          self.system.vals
+                                          *self.system.getEnvironment()
                                           ) 
                 if not (isinstance(action_params, list) 
                         or isinstance(action_params, tuple)):
@@ -60,7 +59,7 @@
                 self.wait = action_data[2]
                 if len(action_data) >= 4:
                     vals = (
-                        eval(action_data[4], self.system.funcs, self.system.vals) 
+                        eval(action_data[4], *self.system.getEnvironment()) 
                         if len(action_data) > 4
                         else ()
                     )
@@ -84,12 +83,12 @@
 
     def __init__(self, commands, actions):
         """Constructor"""
-        self.funcs = {}        
+        self.__funcs = {}        
         self.common_funcs = {
                                 "sqrt":math.sqrt,
                                 "log":math.log,   
                             }
-        self.vals = {}
+        self.__vals = {}
         self.commands = commands
         self.actions = actions
         self.game_state = None
@@ -100,7 +99,18 @@
         self.scripts = {}
         self.conditions = []
         
+    def getEnvironment(self):
+        """Returns the globals and locals used by the scripting system"""
+        return self.__vals, self.__funcs
     
+
+    def updateEnvironment(self):
+        self.__vals.clear()
+        self.__vals.update(self.game_state.getObjectDictOfMap(self.game_state.current_map_name))
+        self.__funcs.clear()
+        self.__funcs.update(self.game_state.funcs)
+        self.__funcs.update(self.common_funcs)
+
     def step(self, dt):
         """Execute a time step for the system. Must be defined
         by all system classes.
@@ -108,21 +118,14 @@
         :param dt: Time since last step invocation
         :type dt: float
         """
-        self.vals.clear()        
-        self.vals.update(
-            self.game_state.getObjectDictOfMap(
-                self.game_state.current_map_name)
-        )
-        self.funcs.clear()
-        self.funcs.update(self.game_state.funcs)
-        self.funcs.update(self.common_funcs)
+        self.updateEnvironment()
         for condition_data in self.conditions:
             condition = condition_data[0]
             script_name = condition_data[1]
             if not self.scripts.has_key(script_name):
                 return
             script = self.scripts[script_name]
-            if eval(condition, self.funcs, self.vals) and not script.running:
+            if eval(condition, *self.getEnvironment()) and not script.running:
                 script.running = True
         for script in self.scripts.itervalues():
             assert(isinstance(script, Script))