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#This file is distributed under the terms of the GNU General Public license.
#Copyright (C) 1999 Aloril (See the file COPYING for details).
from mind.Goal import Goal
from mind.goals.dynamic.DynamicGoal import DynamicGoal
############################ ADD UNIQUE ####################################
class add_unique_goal(DynamicGoal):
def __init__(self, goal_to_add, desc="add_unique_goal", **kw):
kw['desc'] = desc
apply(DynamicGoal.__init__,(self,),kw)
self.goal_class = goal_to_add
self.vars.append("goal_class")
def event(self, me, original_op, op):
"""adds goal using given operation and execute that goal:
first let see if we already have added this goal
then we generate and add goal if it doesn't exist
and finally we execute goal"""
if not self.check_event(me, original_op, op):
return
goal = self.find_goal(me, self.goal_class)
if not goal:
goal = self.make_goal_instance(me, self.goal_class, original_op, op)
if goal:
self.add_goal(me, goal)
if goal:
return goal.check_goal(me, me.time)
def find_goal(self, me, goal_class):
for goal in me.goals:
if goal.__class__==goal_class:
return goal
def add_goal(self, me, goal):
"""add goal into mind"""
me.goals.insert(0,goal)
def make_goal_instance(self, me, goal_class, original_op, op):
#override this!
return goal_class(me, original_op, op)
def check_event(self, me, original_op, op):
"""override this to check to see whether we really want to add a goal"""
return 1
class add_unique_goal_by_perception(add_unique_goal):
def make_goal_instance(self, me, goal_class, original_op, op):
object=me.map.get(op[0].id)
if object:
return goal_class(object)
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