mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-26 21:22:27 -06:00
351 lines
13 KiB
Python
351 lines
13 KiB
Python
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from pandac.PandaModules import *
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from ClusterMsgs import *
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from direct.distributed.MsgTypes import *
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from direct.directnotify import DirectNotifyGlobal
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from direct.showbase import DirectObject
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from direct.task import Task
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# NOTE: This assumes the following variables are set via bootstrap command line
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# arguments on server startup:
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# clusterServerPort
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# clusterSyncFlag
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# clusterDaemonClient
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# clusterDaemonPort
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# Also, I'm not sure multiple camera-group configurations are working for the
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# cluster system.
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class ClusterServer(DirectObject.DirectObject):
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notify = DirectNotifyGlobal.directNotify.newCategory("ClusterServer")
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MSG_NUM = 2000000
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def __init__(self, cameraJig, camera):
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global clusterServerPort, clusterSyncFlag
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global clusterDaemonClient, clusterDaemonPort
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# Store information about the cluster's camera
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self.cameraJig = cameraJig
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self.camera = camera
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self.lens = camera.node().getLens()
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self.lastConnection = None
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self.fPosReceived = 0
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# Create network layer objects
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self.qcm = QueuedConnectionManager()
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self.qcl = QueuedConnectionListener(self.qcm, 0)
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self.qcr = QueuedConnectionReader(self.qcm, 0)
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self.cw = ConnectionWriter(self.qcm, 0)
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try:
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port = clusterServerPort
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except NameError:
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port = CLUSTER_SERVER_PORT
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self.tcpRendezvous = self.qcm.openTCPServerRendezvous(port, 1)
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self.qcl.addConnection(self.tcpRendezvous)
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self.msgHandler = ClusterMsgHandler(ClusterServer.MSG_NUM, self.notify)
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# Start cluster tasks
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self.startListenerPollTask()
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self.startReaderPollTask()
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# If synchronized server, start swap coordinator too
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try:
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clusterSyncFlag
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except NameError:
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clusterSyncFlag = 0
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if clusterSyncFlag:
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self.startSwapCoordinator()
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base.graphicsEngine.setAutoFlip(0)
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# Set global clock mode to slave mode
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globalClock.setMode(ClockObject.MSlave)
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# Send verification of startup to client
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self.daemon = DirectD()
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self.objectMappings = {}
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self.objectHasColor = {}
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self.controlMappings = {}
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self.controlPriorities = {}
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self.controlOffsets = {}
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self.messageQueue = []
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self.sortedControlMappings = []
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# These must be passed in as bootstrap arguments and stored in
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# the __builtins__ namespace
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try:
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clusterDaemonClient
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except NameError:
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clusterDaemonClient = 'localhost'
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try:
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clusterDaemonPort
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except NameError:
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clusterDaemonPort = CLUSTER_DAEMON_PORT
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self.daemon.serverReady(clusterDaemonClient, clusterDaemonPort)
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def startListenerPollTask(self):
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# Run this task near the start of frame, sometime after the dataLoop
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taskMgr.add(self.listenerPollTask, "serverListenerPollTask", -40)
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def listenerPollTask(self, task):
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""" Task to listen for a new connection from the client """
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# Run this task after the dataLoop
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if self.qcl.newConnectionAvailable():
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self.notify.info("New connection is available")
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rendezvous = PointerToConnection()
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netAddress = NetAddress()
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newConnection = PointerToConnection()
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if self.qcl.getNewConnection(rendezvous, netAddress, newConnection):
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# Crazy dereferencing
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newConnection=newConnection.p()
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self.qcr.addConnection(newConnection)
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self.lastConnection = newConnection
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self.notify.info("Got a connection!")
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else:
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self.notify.warning("getNewConnection returned false")
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return Task.cont
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def addNamedObjectMapping(self,object,name,hasColor = True,
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priority = 0):
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if (name not in self.objectMappings):
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self.objectMappings[name] = object
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self.objectHasColor[name] = hasColor
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else:
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self.notify.debug('attempt to add duplicate named object: '+name)
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def removeObjectMapping(self,name):
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if (name in self.objectMappings):
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self.objectMappings.pop(name)
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def redoSortedPriorities(self):
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self.sortedControlMappings = []
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for key in self.objectMappings:
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self.sortedControlMappings.append([self.controlPriorities[key],
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key])
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self.sortedControlMappings.sort()
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def addControlMapping(self,objectName,controlledName, offset = None,
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priority = 0):
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if (objectName not in self.controlMappings):
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self.controlMappings[objectName] = controlledName
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if (offset == None):
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offset = Vec3(0,0,0)
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self.controlOffsets[objectName] = offset
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self.controlPriorities[objectName] = priority
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self.redoSortedPriorities()
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else:
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self.notify.debug('attempt to add duplicate controlled object: '+name)
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def setControlMappingOffset(self,objectName,offset):
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if (objectName in self.controlMappings):
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self.controlOffsets[objectName] = offset
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def removeControlMapping(self,name):
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if (name in self.controlMappings):
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self.controlMappings.pop(name)
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self.controlPriorities.pop(name)
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self.redoSortedPriorities()
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def startControlObjectTask(self):
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self.notify.debug("moving control objects")
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taskMgr.add(self.controlObjectTask,"controlObjectTask",50)
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def controlObjectTask(self, task):
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#print "running control object task"
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for pair in self.sortedControlPriorities:
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object = pair[1]
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name = self.controlMappings[object]
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if (object in self.objectMappings):
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self.moveObject(self.objectMappings[object],name,self.controlOffsets[object],
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self.objectHasColor[object])
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self.sendNamedMovementDone()
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return Task.cont
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def sendNamedMovementDone(self):
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self.notify.debug("named movement done")
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datagram = self.msgHandler.makeNamedMovementDone()
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self.cw.send(datagram,self.lastConnection)
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def moveObject(self, nodePath, object, offset, hasColor):
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self.notify.debug('moving object '+object)
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#print "moving object",object
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xyz = nodePath.getPos(render) + offset
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hpr = nodePath.getHpr(render)
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scale = nodePath.getScale(render)
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if (hasColor):
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color = nodePath.getColor()
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else:
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color = [1,1,1,1]
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hidden = nodePath.isHidden()
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datagram = self.msgHandler.makeNamedObjectMovementDatagram(xyz,hpr,scale,color,hidden,object)
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self.cw.send(datagram, self.lastConnection)
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def startReaderPollTask(self):
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""" Task to handle datagrams from client """
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# Run this task just after the listener poll task
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if clusterSyncFlag:
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# Sync version
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taskMgr.add(self._syncReaderPollTask, "serverReaderPollTask", -39)
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else:
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# Asynchronous version
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taskMgr.add(self._readerPollTask, "serverReaderPollTask", -39)
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def _readerPollTask(self, state):
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""" Non blocking task to read all available datagrams """
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while 1:
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(datagram, dgi, type) = self.msgHandler.nonBlockingRead(self.qcr)
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# Queue is empty, done for now
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if type is CLUSTER_NONE:
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break
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else:
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# Got a datagram, handle it
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self.handleDatagram(dgi, type)
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return Task.cont
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def _syncReaderPollTask(self, task):
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if self.lastConnection is None:
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pass
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elif self.qcr.isConnectionOk(self.lastConnection):
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# Process datagrams till you get a postion update
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type = CLUSTER_NONE
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while type != CLUSTER_CAM_MOVEMENT:
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# Block until you get a new datagram
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(datagram, dgi, type) = self.msgHandler.blockingRead(self.qcr)
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# Process datagram
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self.handleDatagram(dgi, type)
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return Task.cont
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def startSwapCoordinator(self):
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taskMgr.add(self.swapCoordinatorTask, "serverSwapCoordinator", 51)
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def swapCoordinatorTask(self, task):
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if self.fPosReceived:
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self.fPosReceived = 0
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# Alert client that this server is ready to swap
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self.sendSwapReady()
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# Wait for swap command (processing any intermediate datagrams)
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while 1:
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(datagram, dgi, type) = self.msgHandler.blockingRead(self.qcr)
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self.handleDatagram(dgi, type)
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if type == CLUSTER_SWAP_NOW:
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break
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return Task.cont
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def sendSwapReady(self):
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self.notify.debug(
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'send swap ready packet %d' % self.msgHandler.packetNumber)
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datagram = self.msgHandler.makeSwapReadyDatagram()
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self.cw.send(datagram, self.lastConnection)
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def handleDatagram(self, dgi, type):
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""" Process a datagram depending upon type flag """
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if (type == CLUSTER_NONE):
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pass
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elif (type == CLUSTER_EXIT):
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print 'GOT EXIT'
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import sys
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sys.exit()
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elif (type == CLUSTER_CAM_OFFSET):
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self.handleCamOffset(dgi)
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elif (type == CLUSTER_CAM_FRUSTUM):
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self.handleCamFrustum(dgi)
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elif (type == CLUSTER_CAM_MOVEMENT):
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self.handleCamMovement(dgi)
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elif (type == CLUSTER_SELECTED_MOVEMENT):
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self.handleSelectedMovement(dgi)
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elif (type == CLUSTER_COMMAND_STRING):
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self.handleCommandString(dgi)
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elif (type == CLUSTER_SWAP_READY):
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pass
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elif (type == CLUSTER_SWAP_NOW):
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self.notify.debug('swapping')
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base.graphicsEngine.flipFrame()
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elif (type == CLUSTER_TIME_DATA):
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self.notify.debug('time data')
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self.handleTimeData(dgi)
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elif (type == CLUSTER_NAMED_OBJECT_MOVEMENT):
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self.messageQueue.append(self.msgHandler.parseNamedMovementDatagram(dgi))
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#self.handleNamedMovement(dgi)
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elif (type == CLUSTER_NAMED_MOVEMENT_DONE):
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#print "got done",self.messageQueue
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#if (len(self.messageQueue) > 0):
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# print self.messageQueue[0]
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# print dir(self.messageQueue)
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self.handleMessageQueue()
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else:
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self.notify.warning("Received unknown packet type:" % type)
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return type
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# Server specific tasks
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def handleCamOffset(self, dgi):
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""" Set offset of camera from cameraJig """
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(x, y, z, h, p, r) = self.msgHandler.parseCamOffsetDatagram(dgi)
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self.camera.setPos(x,y,z)
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self.lens.setViewHpr(h, p, r)
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def handleCamFrustum(self, dgi):
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""" Adjust camera frustum based on parameters sent by client """
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(fl, fs, fo) = self.msgHandler.parseCamFrustumDatagram(dgi)
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self.lens.setFocalLength(fl)
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self.lens.setFilmSize(fs[0], fs[1])
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self.lens.setFilmOffset(fo[0], fo[1])
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def handleNamedMovement(self, data):
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""" Update cameraJig position to reflect latest position """
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(name,x, y, z, h, p, r,sx,sy,sz, red, g, b, a, hidden) = data
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if (name in self.objectMappings):
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self.objectMappings[name].setPosHpr(render, x, y, z, h, p, r)
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self.objectMappings[name].setScale(render,sx,sy,sz)
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self.objectMappings[name].setColor(red,g,b,a)
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if (hidden):
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self.objectMappings[name].hide()
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else:
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self.objectMappings[name].show()
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else:
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self.notify.debug("recieved unknown named object command: "+name)
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def handleMessageQueue(self):
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#print self.messageQueue
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for data in self.messageQueue:
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#print "in queue",dgi
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self.handleNamedMovement(data)
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self.messageQueue = []
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def handleCamMovement(self, dgi):
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""" Update cameraJig position to reflect latest position """
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(x, y, z, h, p, r) = self.msgHandler.parseCamMovementDatagram(dgi)
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self.cameraJig.setPosHpr(render, x, y, z, h, p, r)
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self.fPosReceived = 1
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def handleSelectedMovement(self, dgi):
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""" Update cameraJig position to reflect latest position """
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(x, y, z, h, p, r, sx, sy, sz) = self.msgHandler.parseSelectedMovementDatagram(
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dgi)
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if last:
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last.setPosHprScale(x, y, z, h, p, r, sx, sy, sz)
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def handleTimeData(self, dgi):
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""" Update cameraJig position to reflect latest position """
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(frameCount, frameTime, dt) = self.msgHandler.parseTimeDataDatagram(dgi)
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# Use frame time from client for both real and frame time
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globalClock.setFrameCount(frameCount)
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globalClock.setFrameTime(frameTime)
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globalClock.setDt(dt)
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def handleCommandString(self, dgi):
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""" Handle arbitrary command string from client """
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command = self.msgHandler.parseCommandStringDatagram(dgi)
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try:
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exec(command, __builtins__)
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except:
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pass
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