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comparison systems/scriptingsystem.py @ 173:3abd31885f0f

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Added a method to the ScriptingSystem that returns the environment(locals, globals) in which scripts are run.
author Beliar <KarstenBock@gmx.net>
date Thu, 01 Mar 2012 14:49:09 +0100
parents 565ffdd98d68
children 230d316cc43b
comparison
equal deleted inserted replaced
172:5d47ad053aef 173:3abd31885f0f
48 self.time = 0 48 self.time = 0
49 try: 49 try:
50 action_data = self.running_actions.popleft() 50 action_data = self.running_actions.popleft()
51 action = self.system.actions[action_data[0]] 51 action = self.system.actions[action_data[0]]
52 action_params = eval(action_data[1], 52 action_params = eval(action_data[1],
53 self.system.funcs, 53 *self.system.getEnvironment()
54 self.system.vals
55 ) 54 )
56 if not (isinstance(action_params, list) 55 if not (isinstance(action_params, list)
57 or isinstance(action_params, tuple)): 56 or isinstance(action_params, tuple)):
58 action_params = [action_params] 57 action_params = [action_params]
59 self.cur_action = action(self.system.world, *action_params) 58 self.cur_action = action(self.system.world, *action_params)
60 self.wait = action_data[2] 59 self.wait = action_data[2]
61 if len(action_data) >= 4: 60 if len(action_data) >= 4:
62 vals = ( 61 vals = (
63 eval(action_data[4], self.system.funcs, self.system.vals) 62 eval(action_data[4], *self.system.getEnvironment())
64 if len(action_data) > 4 63 if len(action_data) > 4
65 else () 64 else ()
66 ) 65 )
67 command = action_data[3] 66 command = action_data[3]
68 self.system.commands[command]( 67 self.system.commands[command](
82 their behavior. 81 their behavior.
83 """ 82 """
84 83
85 def __init__(self, commands, actions): 84 def __init__(self, commands, actions):
86 """Constructor""" 85 """Constructor"""
87 self.funcs = {} 86 self.__funcs = {}
88 self.common_funcs = { 87 self.common_funcs = {
89 "sqrt":math.sqrt, 88 "sqrt":math.sqrt,
90 "log":math.log, 89 "log":math.log,
91 } 90 }
92 self.vals = {} 91 self.__vals = {}
93 self.commands = commands 92 self.commands = commands
94 self.actions = actions 93 self.actions = actions
95 self.game_state = None 94 self.game_state = None
96 self.reset() 95 self.reset()
97 96
98 def reset(self): 97 def reset(self):
99 """Resets the script and condition collections""" 98 """Resets the script and condition collections"""
100 self.scripts = {} 99 self.scripts = {}
101 self.conditions = [] 100 self.conditions = []
102 101
102 def getEnvironment(self):
103 """Returns the globals and locals used by the scripting system"""
104 return self.__vals, self.__funcs
103 105
106
107 def updateEnvironment(self):
108 self.__vals.clear()
109 self.__vals.update(self.game_state.getObjectDictOfMap(self.game_state.current_map_name))
110 self.__funcs.clear()
111 self.__funcs.update(self.game_state.funcs)
112 self.__funcs.update(self.common_funcs)
113
104 def step(self, dt): 114 def step(self, dt):
105 """Execute a time step for the system. Must be defined 115 """Execute a time step for the system. Must be defined
106 by all system classes. 116 by all system classes.
107 117
108 :param dt: Time since last step invocation 118 :param dt: Time since last step invocation
109 :type dt: float 119 :type dt: float
110 """ 120 """
111 self.vals.clear() 121 self.updateEnvironment()
112 self.vals.update(
113 self.game_state.getObjectDictOfMap(
114 self.game_state.current_map_name)
115 )
116 self.funcs.clear()
117 self.funcs.update(self.game_state.funcs)
118 self.funcs.update(self.common_funcs)
119 for condition_data in self.conditions: 122 for condition_data in self.conditions:
120 condition = condition_data[0] 123 condition = condition_data[0]
121 script_name = condition_data[1] 124 script_name = condition_data[1]
122 if not self.scripts.has_key(script_name): 125 if not self.scripts.has_key(script_name):
123 return 126 return
124 script = self.scripts[script_name] 127 script = self.scripts[script_name]
125 if eval(condition, self.funcs, self.vals) and not script.running: 128 if eval(condition, *self.getEnvironment()) and not script.running:
126 script.running = True 129 script.running = True
127 for script in self.scripts.itervalues(): 130 for script in self.scripts.itervalues():
128 assert(isinstance(script, Script)) 131 assert(isinstance(script, Script))
129 if script.finished: 132 if script.finished:
130 script.reset() 133 script.reset()