55 lines
2.0 KiB
Python
Executable File
55 lines
2.0 KiB
Python
Executable File
"""ZoneEntity module: contains the ZoneEntity class"""
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import ZoneEntityBase
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import BasicEntities
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class ZoneEntity(ZoneEntityBase.ZoneEntityBase, BasicEntities.NodePathAttribs):
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def __init__(self, level, entId):
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ZoneEntityBase.ZoneEntityBase.__init__(self, level, entId)
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self.nodePath = self.level.getZoneNode(self.modelZoneNum)
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if __dev__:
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if self.nodePath is None:
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self.level.reportModelSpecSyncError(
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'unknown modelZoneNum %s; zone was removed from model?' %
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self.modelZoneNum)
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BasicEntities.NodePathAttribs.initNodePathAttribs(self, doReparent=0)
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# dict of zoneNum to 'visible' reference count
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self.visibleZoneNums = {}
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# inc ref counts for the zones that are always visible from this zone
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self.incrementRefCounts(self.visibility)
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def destroy(self):
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# no need to dec our reference counts
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BasicEntities.NodePathAttribs.destroy(self)
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ZoneEntityBase.ZoneEntityBase.destroy(self)
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def getNodePath(self):
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return self.nodePath
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def getVisibleZoneNums(self):
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return self.visibleZoneNums.keys()
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# call these with lists of zoneNums to increment or decrement their
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# 'visible' reference counts
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# zone is visible as long as its ref count is nonzero
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def incrementRefCounts(self, zoneNumList):
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for zoneNum in zoneNumList:
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self.visibleZoneNums.setdefault(zoneNum, 0)
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self.visibleZoneNums[zoneNum] += 1
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def decrementRefCounts(self, zoneNumList):
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for zoneNum in zoneNumList:
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self.visibleZoneNums[zoneNum] -= 1
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if self.visibleZoneNums[zoneNum] == 0:
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del self.visibleZoneNums[zoneNum]
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if __dev__:
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def setVisibility(self, visibility):
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self.decrementRefCounts(self.visibility)
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self.visibility = visibility
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self.incrementRefCounts(self.visibility)
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self.level.handleVisChange()
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