def moveBears(self) :
# print 'moveBears starts...'
count = 0
bearPositions = self.map.searchItems(self.map.getItems().keys(), ['Bear'])
while len(bearPositions) > 0 : # 仍有未处理过的熊
randomWeight = {}
for position in bearPositions :
randomWeight[position] = 1
position = Auxiliary.randomSelect(randomWeight)
if self.moveBear(position) : count += 1
bearPositions.remove(position)
# print 'moveBears OK'
return count
def moveBear(self, Position) :
# print 'moveBear starts...'
if self.map.checkValidity(Position) == INSIDE : # 在地图内
item = self.map.getItem(Position)
if item and item.getName() == 'Bear' : # 物品是熊
positions = self.map.searchItems(self.map.getNeighbours(Position))
if len(positions) == 0 : # 相邻位置均不空闲
return False
randomWeight = {}
for position in positions :
randomWeight[position] = 1
destination = Auxiliary.randomSelect(randomWeight)
if self.map.moveItem(Position, destination) : # 移动成功
return True
else : # 移动失败
return False
else : return False # 物品不为熊
else : return False # 在地图外
def generateItem(self, RandomWeight) : return Class_Item(Auxiliary.randomSelect(RandomWeight))
