"""DistributedNode module: contains the DistributedNode class"""
from panda3d.core import NodePath
from . import GridParent
from . import DistributedObject
[docs]class DistributedNode(DistributedObject.DistributedObject, NodePath):
"""Distributed Node class:"""
[docs] def __init__(self, cr):
if not hasattr(self, 'DistributedNode_initialized'):
self.DistributedNode_initialized = 1
self.gotStringParentToken = 0
DistributedObject.DistributedObject.__init__(self, cr)
if not self.this:
NodePath.__init__(self, "DistributedNode")
# initialize gridParent
self.gridParent = None
[docs] def disable(self):
if self.activeState != DistributedObject.ESDisabled:
if not self.isEmpty():
self.reparentTo(hidden)
DistributedObject.DistributedObject.disable(self)
[docs] def delete(self):
if not hasattr(self, 'DistributedNode_deleted'):
self.DistributedNode_deleted = 1
if not self.isEmpty():
self.removeNode()
if self.gridParent:
self.gridParent.delete()
DistributedObject.DistributedObject.delete(self)
[docs] def generate(self):
DistributedObject.DistributedObject.generate(self)
self.gotStringParentToken = 0
[docs] def setLocation(self, parentId, zoneId, teleport=0):
# Redefine DistributedObject setLocation, so that when
# location is set to the ocean grid, we can update our parenting
# under gridParent
DistributedObject.DistributedObject.setLocation(self, parentId, zoneId)
parentObj = self.cr.doId2do.get(parentId)
if parentObj:
# Make sure you in a zone that is in the grid before making a GridParent
if (parentObj.isGridParent() and (zoneId >= parentObj.startingZone)):
if not self.gridParent:
self.gridParent = GridParent.GridParent(self)
self.gridParent.setGridParent(parentObj, zoneId, teleport)
else:
if self.gridParent:
self.gridParent.delete()
self.gridParent = None
else:
if self.gridParent:
self.gridParent.delete()
self.gridParent = None
def __cmp__(self, other):
# DistributedNode inherits from NodePath, which inherits a
# definition of __cmp__ from FFIExternalObject that uses the
# NodePath's compareTo() method to compare different
# NodePaths. But we don't want this behavior for
# DistributedNodes; DistributedNodes should only be compared
# pointerwise.
if self is other:
return 0
else:
return 1
### setParent ###
[docs] def b_setParent(self, parentToken):
if isinstance(parentToken, str):
self.setParentStr(parentToken)
else:
self.setParent(parentToken)
# it's important to call the local setParent first.
self.d_setParent(parentToken)
[docs] def d_setParent(self, parentToken):
if isinstance(parentToken, str):
self.sendUpdate("setParentStr", [parentToken])
else:
self.sendUpdate("setParent", [parentToken])
[docs] def setParentStr(self, parentTokenStr):
assert self.notify.debug('setParentStr: %s' % parentTokenStr)
assert self.notify.debug('isGenerated: %s' % self.isGenerated())
if len(parentTokenStr) > 0:
self.do_setParent(parentTokenStr)
self.gotStringParentToken = 1
[docs] def setParent(self, parentToken):
assert self.notify.debug('setParent: %s' % parentToken)
assert self.notify.debug('isGenerated: %s' % self.isGenerated())
# if we are not yet generated and we just got a parent token
# as a string, ignore whatever value comes in here
justGotRequiredParentAsStr = ((not self.isGenerated()) and
self.gotStringParentToken)
if not justGotRequiredParentAsStr:
if parentToken != 0:
self.do_setParent(parentToken)
self.gotStringParentToken = 0
[docs] def do_setParent(self, parentToken):
"""do_setParent(self, int parentToken)
This function is defined simply to allow a derived class (like
DistributedAvatar) to override the behavior of setParent if
desired.
"""
if not self.isDisabled():
self.cr.parentMgr.requestReparent(self, parentToken)
###### set pos and hpr functions #######
# setX provided by NodePath
[docs] def d_setX(self, x):
self.sendUpdate("setX", [x])
# setY provided by NodePath
[docs] def d_setY(self, y):
self.sendUpdate("setY", [y])
# setZ provided by NodePath
[docs] def d_setZ(self, z):
self.sendUpdate("setZ", [z])
# setH provided by NodePath
[docs] def d_setH(self, h):
self.sendUpdate("setH", [h])
# setP provided by NodePath
[docs] def d_setP(self, p):
self.sendUpdate("setP", [p])
# setR provided by NodePath
[docs] def d_setR(self, r):
self.sendUpdate("setR", [r])
[docs] def setXY(self, x, y):
self.setX(x)
self.setY(y)
[docs] def d_setXY(self, x, y):
self.sendUpdate("setXY", [x, y])
[docs] def setXZ(self, x, z):
self.setX(x)
self.setZ(z)
[docs] def d_setXZ(self, x, z):
self.sendUpdate("setXZ", [x, z])
# setPos provided by NodePath
[docs] def d_setPos(self, x, y, z):
self.sendUpdate("setPos", [x, y, z])
# setHpr provided by NodePath
[docs] def d_setHpr(self, h, p, r):
self.sendUpdate("setHpr", [h, p, r])
[docs] def setXYH(self, x, y, h):
self.setX(x)
self.setY(y)
self.setH(h)
[docs] def d_setXYH(self, x, y, h):
self.sendUpdate("setXYH", [x, y, h])
[docs] def setXYZH(self, x, y, z, h):
self.setPos(x, y, z)
self.setH(h)
[docs] def d_setXYZH(self, x, y, z, h):
self.sendUpdate("setXYZH", [x, y, z, h])
# setPosHpr provided by NodePath
[docs] def d_setPosHpr(self, x, y, z, h, p, r):
self.sendUpdate("setPosHpr", [x, y, z, h, p, r])
