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don't crash if no mouse

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This commit is contained in:
David Rose 2004-02-09 21:14:22 +00:00
parent 33ae898b0c
commit a2c74532b6
1 changed files with 28 additions and 16 deletions
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36
direct/src/showbase/ShowBase.py
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@ -122,6 +122,7 @@ class ShowBase(DirectObject.DirectObject):
self.pipe = None self.pipe = None
self.pipeList = [] self.pipeList = []
self.mak = None self.mak = None
self.mouse2cam = None
self.cam = None self.cam = None
self.camList = [] self.camList = []
self.camNode = None self.camNode = None
@ -620,6 +621,7 @@ class ShowBase(DirectObject.DirectObject):
return aspectRatio return aspectRatio
def makeCamera(self, win, chan = None, layer = None, layerSort = 0, def makeCamera(self, win, chan = None, layer = None, layerSort = 0,
scene = None,
displayRegion = (0, 1, 0, 1), aspectRatio = None): displayRegion = (0, 1, 0, 1), aspectRatio = None):
""" """
@ -634,6 +636,9 @@ class ShowBase(DirectObject.DirectObject):
# Make a new layer on the window. # Make a new layer on the window.
layer = chan.makeLayer(layerSort) layer = chan.makeLayer(layerSort)
if scene == None:
scene = self.render
# And make a display region on this layer of the requested # And make a display region on this layer of the requested
# area. # area.
dr = layer.makeDisplayRegion(*displayRegion) dr = layer.makeDisplayRegion(*displayRegion)
@ -664,7 +669,7 @@ class ShowBase(DirectObject.DirectObject):
lens.setFilmSize(props.getXSize(), props.getYSize()) lens.setFilmSize(props.getXSize(), props.getYSize())
camNode.setLens(lens) camNode.setLens(lens)
camNode.setScene(self.render) camNode.setScene(scene)
# self.camera is the parent node of all cameras: a node that # self.camera is the parent node of all cameras: a node that
# we can move around to move all cameras as a group. # we can move around to move all cameras as a group.
@ -1107,15 +1112,18 @@ class ShowBase(DirectObject.DirectObject):
self.taskMgr.remove('ivalloop') self.taskMgr.remove('ivalloop')
self.eventMgr.shutdown() self.eventMgr.shutdown()
def getBackgroundColor(self): def getBackgroundColor(self, win = None):
""" """
Returns the current window background color. This assumes Returns the current window background color. This assumes
the window is set up to clear the color each frame (this is the window is set up to clear the color each frame (this is
the normal setting). the normal setting).
""" """
return VBase4(self.win.getClearColor()) if win == None:
win = self.win
def setBackgroundColor(self, *args): return VBase4(win.getClearColor())
def setBackgroundColor(self, r = None, g = None, b = None, win = None):
""" """
Sets the window background color to the indicated value. Sets the window background color to the indicated value.
This assumes the window is set up to clear the color each This assumes the window is set up to clear the color each
@ -1125,17 +1133,17 @@ class ShowBase(DirectObject.DirectObject):
tuple, or the individual r, g, b parameters. tuple, or the individual r, g, b parameters.
""" """
numArgs = len(args) if g != None:
if numArgs == 3 or numArgs == 4: color = VBase4(r, g, b, 1.0)
color = VBase4(args[0], args[1], args[2], 1.0) else:
elif numArgs == 1:
arg = args[0] arg = args[0]
color = VBase4(arg[0], arg[1], arg[2], 1.0) color = VBase4(arg[0], arg[1], arg[2], 1.0)
else:
raise TypeError, ('Invalid number of arguments: %d, expected 1, 3, or 4.' % numArgs)
if self.win: if win == None:
self.win.setClearColor(color) win = self.win
if win:
win.setClearColor(color)
def toggleBackface(self): def toggleBackface(self):
if self.backfaceCullingEnabled: if self.backfaceCullingEnabled:
@ -1195,6 +1203,7 @@ class ShowBase(DirectObject.DirectObject):
# the mouse is disabled. However, we do move the mouse2cam # the mouse is disabled. However, we do move the mouse2cam
# object out of there, so we won't be updating the camera any # object out of there, so we won't be updating the camera any
# more. # more.
if self.mouse2cam:
self.mouse2cam.reparentTo(self.dataUnused) self.mouse2cam.reparentTo(self.dataUnused)
def enableMouse(self): def enableMouse(self):
@ -1202,9 +1211,11 @@ class ShowBase(DirectObject.DirectObject):
Reverse the effect of a previous call to disableMouse(). Reverse the effect of a previous call to disableMouse().
useDrive() also implicitly enables the mouse. useDrive() also implicitly enables the mouse.
""" """
if self.mouse2cam:
self.mouse2cam.reparentTo(self.mouseInterface) self.mouse2cam.reparentTo(self.mouseInterface)
def setMouseOnNode(self, newNode): def setMouseOnNode(self, newNode):
if self.mouse2cam:
self.mouse2cam.node().setNode(newNode) self.mouse2cam.node().setNode(newNode)
def changeMouseInterface(self, changeTo): def changeMouseInterface(self, changeTo):
@ -1218,6 +1229,7 @@ class ShowBase(DirectObject.DirectObject):
self.mouseInterfaceNode = self.mouseInterface.node() self.mouseInterfaceNode = self.mouseInterface.node()
# Hookup the drive to the camera. # Hookup the drive to the camera.
self.mouseInterface.reparentTo(self.mouseWatcher) self.mouseInterface.reparentTo(self.mouseWatcher)
if self.mouse2cam:
self.mouse2cam.reparentTo(self.mouseInterface) self.mouse2cam.reparentTo(self.mouseInterface)
def useDrive(self): def useDrive(self):