Exemplo n.º 1
0
class HtmlView(DirectObject):

    notify = DirectNotifyGlobal.directNotify.newCategory("HtmlView")
    useHalfTexture = base.config.GetBool("news-half-texture", 0)

    def __init__(self, parent=aspect2d):
        """Properly initialize ourself."""
        #AwWebViewListener.AwWebViewListener.__init__(self)
        self.parent = parent
        self.mx = 0
        self.my = 0
        self.htmlFile = "index.html"
        self.transparency = False  # this is important looks weird if it's true
        global GlobalWebcore
        if GlobalWebcore:
            # we get a C++ crash if we construct webcore a second time
            pass
        else:
            GlobalWebcore = AwWebCore(AwWebCore.LOGVERBOSE, True,
                                      AwWebCore.PFBGRA)
            GlobalWebcore.setBaseDirectory('.')
            for errResponse in range(400, 600):
                GlobalWebcore.setCustomResponsePage(errResponse, "error.html")

        self.webView = GlobalWebcore.createWebView(WEB_WIDTH, WEB_HEIGHT,
                                                   self.transparency, False,
                                                   70)
        #self.webView.setListener(self)
        #self.webView.setCallback("requestFPS");
        frameName = ''
        inGameNewsUrl = self.getInGameNewsUrl()
        #self.webView.loadURL2(inGameNewsUrl)

        self.imgBuffer = array.array('B')
        for i in range(WEB_WIDTH * WEB_HEIGHT):
            self.imgBuffer.append(0)
            self.imgBuffer.append(0)
            self.imgBuffer.append(0)
            self.imgBuffer.append(255)

        if self.useHalfTexture:
            self.leftBuffer = array.array('B')
            for i in range(WEB_HALF_WIDTH * WEB_HEIGHT):
                self.leftBuffer.append(0)
                self.leftBuffer.append(0)
                self.leftBuffer.append(0)
                self.leftBuffer.append(255)
            self.rightBuffer = array.array('B')
            for i in range(WEB_HALF_WIDTH * WEB_HEIGHT):
                self.rightBuffer.append(0)
                self.rightBuffer.append(0)
                self.rightBuffer.append(0)
                self.rightBuffer.append(255)

        self.setupTexture()
        if self.useHalfTexture:
            self.setupHalfTextures()

        #self.interval = LerpHprInterval(self.quad, 2, Vec3(360, 0, 0), Vec3(0, 0, 0))

        #self.accept("escape", sys.exit, [0])
        #self.accept("w", self.writeTex)

        self.accept("mouse1", self.mouseDown, [AwWebView.LEFTMOUSEBTN])
        self.accept("mouse3", self.mouseDown, [AwWebView.RIGHTMOUSEBTN])
        self.accept("mouse1-up", self.mouseUp, [AwWebView.LEFTMOUSEBTN])
        self.accept("mouse3-up", self.mouseUp, [AwWebView.RIGHTMOUSEBTN])

        #self.accept("f1", self.toggleRotation)
        #self.accept("f2", self.toggleTransparency)
        #self.accept("f3", self.reload)
        #self.accept("f4", self.zoomIn)
        #self.accept("f5", self.zoomOut)

        #taskMgr.doMethodLater(1.0, self.update, 'HtmlViewUpdateTask')
        # we get a problem if a mid-frame hearbeat fires of this task in conjunction with igLoop
        #taskMgr.add(self.update, 'HtmlViewUpdateTask',  priority = 51)
        #taskMgr.add(self.update, 'HtmlViewUpdateTask')
        #base.newsFrame = self

    def getInGameNewsUrl(self):
        """Get the appropriate URL to use if we are in test, qa, or live."""
        # First if all else fails, we hard code the live news url
        result = base.config.GetString(
            "fallback-news-url",
            "http://cdn.toontown.disney.go.com/toontown/en/gamenews/")
        # next check if we have an override, say they want to url to point to a file in their harddisk
        override = base.config.GetString("in-game-news-url", "")
        if override:
            self.notify.info(
                "got an override url,  using %s for in a game news" % override)
            result = override
        else:
            try:
                launcherUrl = base.launcher.getValue("GAME_IN_GAME_NEWS_URL",
                                                     "")
                if launcherUrl:
                    result = launcherUrl
                    self.notify.info(
                        "got GAME_IN_GAME_NEWS_URL from launcher using %s" %
                        result)
                else:
                    self.notify.info(
                        "blank GAME_IN_GAME_NEWS_URL from launcher, using %s" %
                        result)

            except:
                self.notify.warning(
                    "got exception getting GAME_IN_GAME_NEWS_URL from launcher, using %s"
                    % result)
        return result

    def setupTexture(self):
        cm = CardMaker('quadMaker')
        cm.setColor(1.0, 1.0, 1.0, 1.0)

        aspect = base.camLens.getAspectRatio()
        htmlWidth = 2.0 * aspect * WEB_WIDTH_PIXELS / float(WIN_WIDTH)
        htmlHeight = 2.0 * float(WEB_HEIGHT_PIXELS) / float(WIN_HEIGHT)

        # the html area will be center aligned and vertically top aligned
        #cm.setFrame(-htmlWidth/2.0, htmlWidth/2.0, 1.0 - htmlHeight, 1.0)
        cm.setFrame(-htmlWidth / 2.0, htmlWidth / 2.0, -htmlHeight / 2.0,
                    htmlHeight / 2.0)

        bottomRightX = (WEB_WIDTH_PIXELS) / float(WEB_WIDTH + 1)
        bottomRightY = WEB_HEIGHT_PIXELS / float(WEB_HEIGHT + 1)

        #cm.setUvRange(Point2(0,0), Point2(bottomRightX, bottomRightY))
        cm.setUvRange(Point2(0, 1 - bottomRightY), Point2(bottomRightX, 1))

        card = cm.generate()
        self.quad = NodePath(card)
        self.quad.reparentTo(self.parent)

        self.guiTex = Texture("guiTex")
        self.guiTex.setupTexture(Texture.TT2dTexture, WEB_WIDTH, WEB_HEIGHT, 1,
                                 Texture.TUnsignedByte, Texture.FRgba)
        self.guiTex.setMinfilter(Texture.FTLinear)
        self.guiTex.setKeepRamImage(True)
        self.guiTex.makeRamImage()
        self.guiTex.setWrapU(Texture.WMRepeat)
        self.guiTex.setWrapV(Texture.WMRepeat)

        ts = TextureStage('webTS')
        self.quad.setTexture(ts, self.guiTex)
        self.quad.setTexScale(ts, 1.0, -1.0)

        self.quad.setTransparency(0)
        self.quad.setTwoSided(True)
        self.quad.setColor(1.0, 1.0, 1.0, 1.0)
        #self.quad.setZ(0.1) # shtickerbook is moved up by 0.1

        self.calcMouseLimits()

    def setupHalfTextures(self):
        self.setupLeftTexture()
        self.setupRightTexture()
        self.fullPnmImage = PNMImage(WEB_WIDTH, WEB_HEIGHT, 4)
        self.leftPnmImage = PNMImage(WEB_HALF_WIDTH, WEB_HEIGHT, 4)
        self.rightPnmImage = PNMImage(WEB_HALF_WIDTH, WEB_HEIGHT, 4)

    def setupLeftTexture(self):
        cm = CardMaker('quadMaker')
        cm.setColor(1.0, 1.0, 1.0, 1.0)

        aspect = base.camLens.getAspectRatio()
        htmlWidth = 2.0 * aspect * WEB_WIDTH / float(WIN_WIDTH)
        htmlHeight = 2.0 * float(WEB_HEIGHT) / float(WIN_HEIGHT)

        # the html area will be center aligned and vertically top aligned
        #cm.setFrame(-htmlWidth/2.0, htmlWidth/2.0, 1.0 - htmlHeight, 1.0)
        cm.setFrame(-htmlWidth / 2.0, 0, -htmlHeight / 2.0, htmlHeight / 2.0)
        card = cm.generate()
        self.leftQuad = NodePath(card)
        self.leftQuad.reparentTo(self.parent)

        self.leftGuiTex = Texture("guiTex")
        self.leftGuiTex.setupTexture(Texture.TT2dTexture, WEB_HALF_WIDTH,
                                     WEB_HEIGHT, 1, Texture.TUnsignedByte,
                                     Texture.FRgba)
        self.leftGuiTex.setKeepRamImage(True)
        self.leftGuiTex.makeRamImage()
        self.leftGuiTex.setWrapU(Texture.WMClamp)
        self.leftGuiTex.setWrapV(Texture.WMClamp)

        ts = TextureStage('leftWebTS')
        self.leftQuad.setTexture(ts, self.leftGuiTex)
        self.leftQuad.setTexScale(ts, 1.0, -1.0)

        self.leftQuad.setTransparency(0)
        self.leftQuad.setTwoSided(True)
        self.leftQuad.setColor(1.0, 1.0, 1.0, 1.0)
        #self.quad.setZ(0.1) # shtickerbook is moved up by 0.1

    def setupRightTexture(self):
        cm = CardMaker('quadMaker')
        cm.setColor(1.0, 1.0, 1.0, 1.0)

        aspect = base.camLens.getAspectRatio()
        htmlWidth = 2.0 * aspect * WEB_WIDTH / float(WIN_WIDTH)
        htmlHeight = 2.0 * float(WEB_HEIGHT) / float(WIN_HEIGHT)

        # the html area will be center aligned and vertically top aligned
        #cm.setFrame(-htmlWidth/2.0, htmlWidth/2.0, 1.0 - htmlHeight, 1.0)
        cm.setFrame(0, htmlWidth / 2.0, -htmlHeight / 2.0, htmlHeight / 2.0)
        card = cm.generate()
        self.rightQuad = NodePath(card)
        self.rightQuad.reparentTo(self.parent)

        self.rightGuiTex = Texture("guiTex")
        self.rightGuiTex.setupTexture(Texture.TT2dTexture, WEB_HALF_WIDTH,
                                      WEB_HEIGHT, 1, Texture.TUnsignedByte,
                                      Texture.FRgba)
        self.rightGuiTex.setKeepRamImage(True)
        self.rightGuiTex.makeRamImage()
        self.rightGuiTex.setWrapU(Texture.WMClamp)
        self.rightGuiTex.setWrapV(Texture.WMClamp)

        ts = TextureStage('rightWebTS')
        self.rightQuad.setTexture(ts, self.rightGuiTex)
        self.rightQuad.setTexScale(ts, 1.0, -1.0)

        self.rightQuad.setTransparency(0)
        self.rightQuad.setTwoSided(True)
        self.rightQuad.setColor(1.0, 1.0, 1.0, 1.0)
        #self.quad.setZ(0.1) # shtickerbook is moved up by 0.1

    def calcMouseLimits(self):
        ll = Point3()
        ur = Point3()
        self.quad.calcTightBounds(ll, ur)
        self.notify.debug("ll=%s ur=%s" % (ll, ur))

        # we need to get our relative position to aspect2d, since shtiker books is shifted
        offset = self.quad.getPos(aspect2d)
        self.notify.debug("offset = %s " % offset)
        ll.setZ(ll.getZ() + offset.getZ())
        ur.setZ(ur.getZ() + offset.getZ())

        self.notify.debug("new LL=%s, UR=%s" % (ll, ur))

        relPointll = self.quad.getRelativePoint(aspect2d, ll)
        self.notify.debug("relPoint = %s" % relPointll)
        self.mouseLL = (aspect2d.getScale()[0] * ll[0],
                        aspect2d.getScale()[2] * ll[2])
        self.mouseUR = (aspect2d.getScale()[0] * ur[0],
                        aspect2d.getScale()[2] * ur[2])
        self.notify.debug("original mouseLL=%s, mouseUR=%s" %
                          (self.mouseLL, self.mouseUR))

    def writeTex(self, filename="guiText.png"):
        self.notify.debug("writing texture")
        self.guiTex.generateRamMipmapImages()
        self.guiTex.write(filename)

    def toggleRotation(self):
        if self.interval.isPlaying():
            self.interval.finish()
        else:
            self.interval.loop()

    def mouseDown(self, button):
        messenger.send('wakeup')
        self.webView.injectMouseDown(button)

    def mouseUp(self, button):
        self.webView.injectMouseUp(button)

    def reload(self):
        pass
        #self.webView.loadFile(self.htmlFile, '')

    def zoomIn(self):
        self.webView.zoomIn()

    def zoomOut(self):
        self.webView.zoomOut()

    def toggleTransparency(self):
        self.transparency = not self.transparency
        self.webView.setTransparent(self.transparency)

    def update(self, task):
        global GlobalWebcore
        if base.mouseWatcherNode.hasMouse():
            x, y = self._translateRelativeCoordinates(
                base.mouseWatcherNode.getMouseX(),
                base.mouseWatcherNode.getMouseY())
            #self.notify.debug('got mouse move %d %d' % (x,y))
            #self.webView.injectMouseMove(x, y)

            if (self.mx - x) != 0 or (self.my - y) != 0:
                self.webView.injectMouseMove(x, y)
                #self.notify.debug('injecting mouse move %d %d' % (x,y))
                self.mx, self.my = x, y

            if self.webView.isDirty():
                #self.notify.debug("webview is dirty")
                self.webView.render(self.imgBuffer.buffer_info()[0],
                                    WEB_WIDTH * 4, 4)
                #Texture.setTexturesPower2(AutoTextureScale.ATSUp)
                Texture.setTexturesPower2(2)
                #self.notify.debug("about to modify ram image")
                textureBuffer = self.guiTex.modifyRamImage()
                #import pdb; pdb.set_trace()
                #self.notify.debug("about to call textureBuffer.setData")
                textureBuffer.setData(self.imgBuffer.tostring())
                #self.notify.debug("done calling setData")
                if self.useHalfTexture:
                    # TODO check with DRose, this feels inefficient
                    self.guiTex.store(self.fullPnmImage)
                    self.leftPnmImage.copySubImage(self.fullPnmImage, 0, 0, 0,
                                                   0, WEB_HALF_WIDTH,
                                                   WEB_HEIGHT)
                    self.rightPnmImage.copySubImage(self.fullPnmImage, 0, 0,
                                                    WEB_HALF_WIDTH, 0,
                                                    WEB_HALF_WIDTH, WEB_HEIGHT)
                    self.leftGuiTex.load(self.leftPnmImage)
                    self.rightGuiTex.load(self.rightPnmImage)
                    self.quad.hide()
                #Texture.setTexturesPower2(AutoTextureScale.ATSDown)
                Texture.setTexturesPower2(1)

            GlobalWebcore.update()
        return Task.cont

    def _translateRelativeCoordinates(self, x, y):
        sx = int((x - self.mouseLL[0]) / (self.mouseUR[0] - self.mouseLL[0]) *
                 WEB_WIDTH_PIXELS)
        sy = WEB_HEIGHT_PIXELS - int(
            (y - self.mouseLL[1]) /
            (self.mouseUR[1] - self.mouseLL[1]) * WEB_HEIGHT_PIXELS)
        return sx, sy

    def unload(self):
        """Clean up everything, especially the awesomium bits."""
        self.ignoreAll()
        self.webView.destroy()
        self.webView = None
        #global GlobalWebcore
        #GlobalWebcore = None
        pass

    # --------------------[ WebViewListener implementation ]--------------------------
    def onCallback(self, name, args):
        assert self.notify.debugStateCall(self)
        if name == "requestFPS":
            #self.webView.setProperty( "fps", JSValue("%.1f" % (1.0 / globalClock.getDt())) )
            #self.webView.executeJavascript("updateFPS()", "")
            pass

    def onBeginNavigation(self, url, frameName):
        assert self.notify.debugStateCall(self)
        pass

    def onBeginLoading(self, url, frameName, statusCode, mimeType):
        assert self.notify.debugStateCall(self)
        pass

    def onFinishLoading(self):
        assert self.notify.debugStateCall(self)
        self.notify.debug("finished loading")
        pass

    def onReceiveTitle(self, title, frameName):
        assert self.notify.debugStateCall(self)
        pass

    def onChangeTooltip(self, tooltip):
        assert self.notify.debugStateCall(self)
        pass

    def onChangeCursor(self, cursor):
        assert self.notify.debugStateCall(self)
        pass

    def onChangeKeyboardFocus(self, isFocused):
        assert self.notify.debugStateCall(self)
        pass

    def onChangeTargetURL(self, url):
        assert self.notify.debugStateCall(self)
        pass
Exemplo n.º 2
0
class PartyCog(FSM):
    notify = directNotify.newCategory("PartyCog")

    HpTextGenerator = TextNode("HpTextGenerator")
    hpText = None
    height = 7

    def __init__(self,
                 parentNode,
                 id,
                 bounceSpeed=3,
                 bounceHeight=1,
                 rotateSpeed=1,
                 heightShift=1,
                 xMoveSpeed=0,
                 xMoveDistance=0,
                 bounceOffset=0):
        self.id = id

        FSM.__init__(self, "PartyCogFSM-%d" % self.id)

        self.showFacingStatus = False
        self.xMoveSpeed = xMoveSpeed
        self.xMoveDistance = xMoveDistance
        self.heightShift = heightShift
        self.bounceSpeed = bounceSpeed
        self.bounceHeight = bounceHeight
        self.rotateSpeed = rotateSpeed
        self.parentNode = parentNode
        self.bounceOffset = bounceOffset
        self.hitInterval = None
        self.kaboomTrack = None
        self.resetRollIval = None
        self.netTimeSentToStartByHit = 0

        self.load()
        self.request("Down")

    def load(self):
        self.root = NodePath("PartyCog-%d" % self.id)
        self.root.reparentTo(self.parentNode)

        path = "phase_13/models/parties/cogPinata_"
        self.actor = Actor(
            path + "actor", {
                "idle": path + "idle_anim",
                "down": path + "down_anim",
                "up": path + "up_anim",
                "bodyHitBack": path + "bodyHitBack_anim",
                "bodyHitFront": path + "bodyHitFront_anim",
                "headHitBack": path + "headHitBack_anim",
                "headHitFront": path + "headHitFront_anim",
            })
        self.actor.reparentTo(self.root)

        self.temp_transform = Mat4()
        self.head_locator = self.actor.attachNewNode("temphead")

        self.bodyColl = CollisionTube(0, 0, 1, 0, 0, 5.75, 0.75)
        self.bodyColl.setTangible(1)
        self.bodyCollNode = CollisionNode("PartyCog-%d-Body-Collision" %
                                          self.id)
        self.bodyCollNode.setCollideMask(ToontownGlobals.PieBitmask)
        self.bodyCollNode.addSolid(self.bodyColl)
        self.bodyCollNodePath = self.root.attachNewNode(self.bodyCollNode)

        self.headColl = CollisionTube(0, 0, 3, 0, 0, 3.0, 1.5)
        self.headColl.setTangible(1)
        self.headCollNode = CollisionNode("PartyCog-%d-Head-Collision" %
                                          self.id)
        self.headCollNode.setCollideMask(ToontownGlobals.PieBitmask)
        self.headCollNode.addSolid(self.headColl)
        self.headCollNodePath = self.root.attachNewNode(self.headCollNode)

        # Cog's Left Arm
        self.arm1Coll = CollisionSphere(1.65, 0, 3.95, 1.0)
        self.arm1Coll.setTangible(1)
        self.arm1CollNode = CollisionNode("PartyCog-%d-Arm1-Collision" %
                                          self.id)
        self.arm1CollNode.setCollideMask(ToontownGlobals.PieBitmask)
        self.arm1CollNode.addSolid(self.arm1Coll)
        self.arm1CollNodePath = self.root.attachNewNode(self.arm1CollNode)

        # Cog's Right Arm
        self.arm2Coll = CollisionSphere(-1.65, 0, 3.45, 1.0)
        self.arm2Coll.setTangible(1)
        self.arm2CollNode = CollisionNode("PartyCog-%d-Arm2-Collision" %
                                          self.id)
        self.arm2CollNode.setCollideMask(ToontownGlobals.PieBitmask)
        self.arm2CollNode.addSolid(self.arm2Coll)
        self.arm2CollNodePath = self.root.attachNewNode(self.arm2CollNode)

        splatName = 'splat-creampie'
        self.splat = globalPropPool.getProp(splatName)
        self.splat.setBillboardPointEye()
        self.splatType = globalPropPool.getPropType(splatName)

        self.pieHitSound = globalBattleSoundCache.getSound(
            'AA_wholepie_only.mp3')
        self.upSound = globalBattleSoundCache.getSound('AV_jump_to_side.mp3')

        self.hole = loader.loadModel("phase_13/models/parties/cogPinataHole")
        self.hole.setTransparency(True)
        self.hole.setP(-90.0)
        self.hole.setScale(3)
        self.hole.setBin("ground", 3)
        self.hole.reparentTo(self.parentNode)

    def unload(self):
        self.request("Off")
        self.clearHitInterval()

        if self.hole is not None:
            self.hole.removeNode()
            self.hole = None

        if self.actor is not None:
            self.actor.cleanup()
            self.actor.removeNode()
            self.actor = None

        if self.root is not None:
            self.root.removeNode()
            self.root = None

        if self.kaboomTrack is not None and self.kaboomTrack.isPlaying():
            self.kaboomTrack.finish()
        self.kaboomTrack = None

        if self.resetRollIval is not None and self.resetRollIval.isPlaying():
            self.resetRollIval.finish()
        self.resetRollIval = None

        if self.hitInterval is not None and self.hitInterval.isPlaying():
            self.hitInterval.finish()
        self.hitInterval = None

        del self.upSound
        del self.pieHitSound

#===============================================================================
# FSM States
#===============================================================================

    def enterStatic(self):
        pass

    def exitStatic(self):
        pass

    def enterActive(self, startTime):
        self.root.setR(0.0)

        updateTask = Task.Task(self.updateTask)
        updateTask.startTime = startTime

        taskMgr.add(updateTask, "PartyCog.update-%d" % self.id)

    def exitActive(self):
        taskMgr.remove("PartyCog.update-%d" % self.id)
        taskMgr.remove("PartyCog.bounceTask-%d" % self.id)

        self.clearHitInterval()
        self.resetRollIval = self.root.hprInterval(0.5,
                                                   Point3(
                                                       self.root.getH(), 0.0,
                                                       0.0),
                                                   blendType="easeInOut")
        self.resetRollIval.start()

        self.actor.stop()

    def enterDown(self):
        if self.oldState == "Off":
            self.actor.pose("down", self.actor.getNumFrames("down") - 1)
            return

        self.clearHitInterval()
        startScale = self.hole.getScale()
        endScale = Point3(5, 5, 5)
        self.hitInterval = Sequence(
            LerpFunc(self.setAlongSpline,
                     duration=1.0,
                     fromData=self.currentT,
                     toData=0.0),
            LerpScaleInterval(self.hole,
                              duration=0.175,
                              scale=endScale,
                              startScale=startScale,
                              blendType="easeIn"),
            Parallel(
                SoundInterval(self.upSound,
                              volume=0.6,
                              node=self.actor,
                              cutOff=PartyGlobals.PARTY_COG_CUTOFF),
                ActorInterval(self.actor, "down", loop=0),
            ),
            LerpScaleInterval(self.hole,
                              duration=0.175,
                              scale=Point3(3, 3, 3),
                              startScale=endScale,
                              blendType="easeOut"),
        )
        self.hitInterval.start()

    def exitDown(self):
        self.root.setR(0.0)
        self.root.setH(0.0)
        self.targetDistance = 0.0
        self.targetFacing = 0.0
        self.currentT = 0.0
        self.setAlongSpline(0.0)
        self.clearHitInterval()
        startScale = self.hole.getScale()
        endScale = Point3(5, 5, 5)
        self.hitInterval = Sequence(
            LerpScaleInterval(self.hole,
                              duration=0.175,
                              scale=endScale,
                              startScale=startScale,
                              blendType="easeIn"),
            Parallel(
                SoundInterval(self.upSound,
                              volume=0.6,
                              node=self.actor,
                              cutOff=PartyGlobals.PARTY_COG_CUTOFF),
                ActorInterval(self.actor, "up", loop=0),
            ),
            Func(self.actor.loop, "idle"),
            LerpScaleInterval(self.hole,
                              duration=0.175,
                              scale=Point3(3, 3, 3),
                              startScale=endScale,
                              blendType="easeOut"),
        )
        self.hitInterval.start()

    def filterDown(self, request, args):
        if request == "Down":
            return None
        else:
            return self.defaultFilter(request, args)

#------------------------------------------------------------------------------

    def setEndPoints(self, start, end, amplitude=1.7):
        self.sinAmplitude = amplitude
        self.sinPeriod = (end.getX() - start.getX()) / 2
        self.sinDisplacement = start.getY()
        self.startPoint = start
        self.endPoint = end
        self.currentT = 0.0
        self.targetDistance = 0.0
        self.currentFacing = 0.0
        self.targetFacing = 0.0
        self.setAlongSpline(self.currentT)
        self.hole.setPos(self.root.getPos())
        self.hole.setZ(0.02)

    def rockBackAndForth(self, task):
        t = task.startTime + task.time
        angle = math.sin(t) * 20.0

        self.root.setR(angle)

        #        if self.id == 0:
        #            print angle

        return task.cont

    def updateDistance(self, distance):
        self.targetDistance = clamp(distance, -1.0, 1.0)

    def updateTask(self, task):
        self.rockBackAndForth(task)

        if self.targetDistance > self.currentT:
            self.currentT += min(0.01, self.targetDistance - self.currentT)
            self.setAlongSpline(self.currentT)
        elif self.targetDistance < self.currentT:
            self.currentT += max(-0.01, self.targetDistance - self.currentT)
            self.setAlongSpline(self.currentT)

        if self.currentT < 0.0:
            self.targetFacing = -90.0
        elif self.currentT > 0.0:
            self.targetFacing = 90.0
        else:
            self.targetFacing = 0.0

        if self.targetFacing > self.currentFacing:
            self.currentFacing += min(10,
                                      self.targetFacing - self.currentFacing)
        elif self.targetFacing < self.currentFacing:
            self.currentFacing += max(-10,
                                      self.targetFacing - self.currentFacing)

        self.root.setH(self.currentFacing)

        return task.cont

    def setAlongSpline(self, t):
        t = t + 1.0
        dist = (self.endPoint.getX() - self.startPoint.getX()) / 2.0
        x = self.startPoint.getX() + t * dist
        y = self.startPoint.getY() - math.sin(
            t * 2 * math.pi) * self.sinAmplitude
        self.root.setPos(x, y, 0)

    def startBounce(self):
        taskMgr.add(self.bounce, "PartyCog.bounceTask-%d" % self.id)

    def bounce(self, task):
        #self.root.setH(self.root.getH() - self.rotateSpeed)
        self.root.setZ((math.sin((self.bounceOffset + task.time) *
                                 self.bounceSpeed) * self.bounceHeight) +
                       self.heightShift)

        return task.cont

    def setPos(self, position):
        self.root.setPos(position)

    def respondToPieHit(self, timestamp, position, hot=False, direction=1.0):
        """The toon hit us, react appropriately."""
        assert (self.notify.debugStateCall(self))

        if self.netTimeSentToStartByHit < timestamp:
            self.__showSplat(position, direction, hot)

            if self.netTimeSentToStartByHit < timestamp:
                self.netTimeSentToStartByHit = timestamp
        else:
            #self.notify.debug('localStamp = %s, lastLocalTimeStampFromAI=%s, ignoring respondToPieHit' % (localStamp, self.lastLocalTimeStampFromAI))
            self.notify.debug(
                'respondToPieHit self.netTimeSentToStartByHit = %s' %
                self.netTimeSentToStartByHit)

    def clearHitInterval(self):
        if self.hitInterval is not None and self.hitInterval.isPlaying():
            self.hitInterval.clearToInitial()

    def __showSplat(self, position, direction, hot=False):
        """Show the splat graphic and sound."""
        if self.kaboomTrack is not None and self.kaboomTrack.isPlaying():
            self.kaboomTrack.finish()

        self.clearHitInterval()
        splatName = 'splat-creampie'
        self.splat = globalPropPool.getProp(splatName)
        self.splat.setBillboardPointEye()

        self.splat.reparentTo(render)
        self.splat.setPos(self.root, position)
        self.splat.setAlphaScale(1.0)

        if not direction == 1.0:
            #self.splat.setColorScale(Vec4(0.0, 0.0, 50.0, 1.0))
            self.splat.setColorScale(PartyGlobals.CogActivitySplatColors[0])
            if self.currentFacing > 0.0:
                facing = "HitFront"
            else:
                facing = "HitBack"
        else:
            self.splat.setColorScale(PartyGlobals.CogActivitySplatColors[1])
            #self.splat.setColorScale(Vec4(1.0, 0.6, 0.08, 1.0))
            if self.currentFacing > 0.0:
                facing = "HitBack"
            else:
                facing = "HitFront"

        if hot:
            targetscale = 0.75
            part = "head"
        else:
            targetscale = 0.5
            part = "body"

        def setSplatAlpha(amount):
            self.splat.setAlphaScale(amount)

        self.hitInterval = Sequence(
            ActorInterval(self.actor, part + facing, loop=0),
            Func(self.actor.loop, "idle"),
        )
        self.hitInterval.start()

        self.kaboomTrack = Parallel(
            SoundInterval(self.pieHitSound,
                          volume=1.0,
                          node=self.actor,
                          cutOff=PartyGlobals.PARTY_COG_CUTOFF),
            Sequence(
                Func(self.splat.showThrough),
                Parallel(
                    Sequence(
                        LerpScaleInterval(self.splat,
                                          duration=0.175,
                                          scale=targetscale,
                                          startScale=Point3(0.1, 0.1, 0.1),
                                          blendType="easeOut"),
                        Wait(0.175),
                    ),
                    Sequence(
                        Wait(0.1),
                        LerpFunc(
                            setSplatAlpha,
                            duration=1.0,  #0.4,
                            fromData=1.0,
                            toData=0.0,
                            blendType="easeOut"))),
                Func(self.splat.cleanup),
                Func(self.splat.removeNode),
            ))
        self.kaboomTrack.start()

    def showHitScore(self, number, scale=1):
        """
        Shows the hit score.
        Borrowed from otp.avatar.DistributedAvatar.showHpText
        """
        if number <= 0:
            return

        # Get rid of the number if it is already there.
        if self.hpText:
            self.hideHitScore()

        # Set the font
        self.HpTextGenerator.setFont(ToontownGlobals.getSignFont())

        # Show both negative and positive signs
        if number < 0:
            self.HpTextGenerator.setText(str(number))
        else:
            self.HpTextGenerator.setText("+" + str(number))

        # No shadow
        self.HpTextGenerator.clearShadow()

        # Center the number
        self.HpTextGenerator.setAlign(TextNode.ACenter)

        # Red, always
        #if number < 0:
        r = 1  #0.9
        g = 1  #0
        b = 0
        a = 1

        self.HpTextGenerator.setTextColor(r, g, b, a)

        self.hpTextNode = self.HpTextGenerator.generate()

        # Put the hpText over the head of the avatar
        self.hpText = render.attachNewNode(self.hpTextNode)
        self.hpText.setScale(scale)
        # Make sure it is a billboard
        self.hpText.setBillboardPointEye()
        # Render it after other things in the scene.
        self.hpText.setBin('fixed', 100)

        # Initial position ... Center of the body... the "tan tien"
        self.hpText.setPos(self.root, 0, 0, self.height / 2)

        # Black magic from the early days of Panda3D, later replaced by a Sequence
        seq = Task.sequence(
            # Fly the number out of the character
            self.hpText.lerpPos(Point3(
                self.root.getX(render), self.root.getY(render),
                self.root.getZ(render) + self.height + 1.0),
                                0.25,
                                blendType='easeOut'),
            Task.pause(0.25),
            # Fade the number
            self.hpText.lerpColor(Vec4(r, g, b, a), Vec4(r, g, b, 0), 0.1),
            # Get rid of the number
            Task.Task(self.__hideHitScoreTask))

        taskMgr.add(seq, "PartyCogHpText" + str(self.id))

    def __hideHitScoreTask(self, task):
        self.hideHitScore()

        return Task.done

    def hideHitScore(self):
        if self.hpText:
            taskMgr.remove("PartyCogHpText" + str(self.id))
            self.hpText.removeNode()
            self.hpText = None

    def getHeadLocation(self):
        (self.actor.getJoints(jointName="head")[0]).getNetTransform(
            self.temp_transform)
        self.head_locator.setMat(self.temp_transform)
        #print self.head_locator.getZ()

        return self.head_locator.getZ(self.root)
Exemplo n.º 3
0
class PartyCogActivityLocalPlayer(PartyCogActivityPlayer):
    """Cog Activity Player model for the local Avatar. Has Input and GUI."""
    def __init__(self, activity, position, team, exitActivityCallback=None):
        PartyCogActivityPlayer.__init__(self, activity, base.localAvatar,
                                        position, team)

        self.input = PartyCogActivityInput(exitActivityCallback)
        self.gui = PartyCogActivityGui()

        self.throwPiePrevTime = 0
        self.lastMoved = 0
        if base.localAvatar:
            self.prevPos = base.localAvatar.getPos()
        self.cameraManager = None
        self.control = None

        # Used for throw-spam checking.
        self.consecutiveShortThrows = 0

    def destroy(self):
        if self.enabled:
            self.disable()

        if self.cameraManager is not None:
            self.cameraManager.setEnabled(False)
            self.cameraManager.destroy()
        del self.cameraManager

        del self.gui
        del self.input

        if self.control is not None:
            self.control.destroy()
        del self.control

        PartyCogActivityPlayer.destroy(self)

    def _initOrthoWalk(self):
        orthoDrive = OrthoDrive(
            9.778,  # run speed = run frames (15) / fps (24fps) * avg. run speed (14.667 ft./s)
            customCollisionCallback=self.activity.view.checkOrthoDriveCollision
        )

        self.orthoWalk = OrthoWalk(orthoDrive, broadcast=True)

    def _destroyOrthoWalk(self):
        self.orthoWalk.stop()
        self.orthoWalk.destroy()
        del self.orthoWalk

    def getPieThrowingPower(self, time):
        elapsed = max(time - self.input.throwPiePressedStartTime, 0.0)

        # Convert CogActivityPowerMeterTime to periods/sec. for easier understanding of the tweak value.
        w = 1.0 / PartyGlobals.CogActivityPowerMeterTime * 2.0 * math.pi

        # Convert elapsed time into power integer in the range [0 100].
        power = int(round(-math.cos(w * elapsed) * 50.0 + 50.0))

        assert 0 <= power <= 100
        return power

    def isShortThrow(self, time):
        """ Returns True if the throw button was held for a very short time. """
        elapsed = max(time - self.input.throwPiePressedStartTime, 0.0)

        return elapsed <= PartyGlobals.CogActivityShortThrowTime

    def checkForThrowSpam(self, time):
        """
        Returns True if the player appears to be spamming the throw button. It probably means
        that they don't understand the press and hold scheme.
        """
        if self.isShortThrow(time):
            self.consecutiveShortThrows += 1
        else:
            self.consecutiveShortThrows = 0

        return self.consecutiveShortThrows >= PartyGlobals.CogActivityShortThrowSpam

    def _startUpdateTask(self):
        task = Task(self._updateTask)
        task.lastPositionBroadcastTime = 0.0
        self.throwPiePrevTime = 0

        taskMgr.add(task, UPDATE_TASK_NAME)

    def _stopUpdateTask(self):
        taskMgr.remove(UPDATE_TASK_NAME)

    def _updateTask(self, task):
        self._update()

        if base.localAvatar.getPos() != self.prevPos:
            self.prevPos = base.localAvatar.getPos()
            self.lastMoved = self.activity.getCurrentActivityTime()

        if max((self.activity.getCurrentActivityTime() - self.lastMoved),
               0) > PartyGlobals.ToonMoveIdleThreshold:
            self.gui.showMoveControls()

        if max(
            (self.activity.getCurrentActivityTime() - self.throwPiePrevTime),
                0) > PartyGlobals.ToonAttackIdleThreshold:
            self.gui.showAttackControls()

        if self.input.throwPieWasReleased:
            if self.checkForThrowSpam(globalClock.getFrameTime()):
                self.gui.showSpamWarning()

            self.input.throwPieWasReleased = False
            self.throwPie(self.getPieThrowingPower(globalClock.getFrameTime()))

        return Task.cont

    def throwPie(self, piePower):
        """Make the toon fire when the player presses the control key."""
        if not self.activity.isState("Active"):
            return

        if self.activity.getCurrentActivityTime(
        ) - self.throwPiePrevTime > THROW_PIE_LIMIT_TIME:
            assert (self.activity.notify.debug("LocalPlayer throwPie %d" %
                                               piePower))

            self.throwPiePrevTime = self.activity.getCurrentActivityTime()
            self.activity.b_pieThrow(self.toon, piePower)

    def _update(self):
        self.control.update()

    def getLookat(self, whosLooking, refNode=None):
        if refNode is None:
            refNode = render
        dist = 5.0
        oldParent = self.tempNP.getParent()
        self.tempNP.reparentTo(whosLooking)
        self.tempNP.setPos(0.0, dist, 0.0)
        pos = self.tempNP.getPos(refNode)
        self.tempNP.reparentTo(oldParent)
        return pos

    def entersActivity(self):
        base.cr.playGame.getPlace().setState("activity")

        PartyCogActivityPlayer.entersActivity(self)

        self.gui.disableToontownHUD()

        self.cameraManager = CameraManager(camera)
        self.tempNP = NodePath("temp")

        self.lookAtMyTeam()
        self.control = StrafingControl(self)

    def exitsActivity(self):
        PartyCogActivityPlayer.exitsActivity(self)

        self.gui.enableToontownHUD()

        self.cameraManager.setEnabled(False)
        self.tempNP.removeNode()
        self.tempNP = None

        # Hacky: Don't enter walk state when reward GUI is visible. (Reward GUI 'ok' goes to walk.)
        # Mind that players can exit by hopping off, being booted when other players leave, or by
        # letting time run down (see reward screen).
        if not aspect2d.find("**/JellybeanRewardGui*"):
            base.cr.playGame.getPlace().setState("walk")
        else:
            # Simply start broadcasting the toon's position.
            self.toon.startPosHprBroadcast()

    def getRunToStartPositionIval(self):
        targetH = self.locator.getH()
        travelVec = self.position - self.toon.getPos(self.activity.root)
        duration = travelVec.length() / 9.778

        startH = 0.0
        if travelVec.getY() < 0.0:
            startH = 180.0

        return Sequence(
            Func(self.toon.startPosHprBroadcast, 0.1),
            Func(self.toon.b_setAnimState, "run"),
            Parallel(
                self.toon.hprInterval(
                    0.5,
                    VBase3(startH, 0.0, 0.0),
                    other=self.activity.root,
                ),
                self.toon.posInterval(duration,
                                      self.position,
                                      other=self.activity.root),
            ),
            Func(self.toon.b_setAnimState, "neutral"),
            self.toon.hprInterval(0.25,
                                  VBase3(targetH, 0.0, 0.0),
                                  other=self.activity.root),
            Func(self.toon.stopPosHprBroadcast),
        )

    def enable(self):
        if self.enabled:
            return

        PartyCogActivityPlayer.enable(self)
        self.toon.b_setAnimState("Happy")

        self._initOrthoWalk()
        self.orthoWalk.start()
        self.orthoWalking = True

        self.input.enable()

        self.gui.disableToontownHUD()
        self.gui.load()
        self.gui.setScore(0)
        self.gui.showScore()
        self.gui.setTeam(self.team)
        self.gui.startTrackingCogs(self.activity.view.cogManager.cogs)

        self.control.enable()

        self._startUpdateTask()

    def disable(self):
        if not self.enabled:
            return

        self._stopUpdateTask()
        self.toon.b_setAnimState("neutral")

        PartyCogActivityPlayer.disable(self)

        self.orthoWalking = False
        self.orthoWalk.stop()
        self._destroyOrthoWalk()

        self.input.disable()

        self._aimMode = False
        self.cameraManager.setEnabled(False)
        self.gui.hide()
        self.gui.stopTrackingCogs()
        self.gui.unload()

    def updateScore(self):
        self.gui.setScore(self.score)

    def b_updateToonPosition(self):
        self.updateToonPosition()
        self.d_updateToonPosition()

    def d_updateToonPosition(self):
        self.toon.d_setPos(self.toon.getX(), self.toon.getY(),
                           self.toon.getZ())
        self.toon.d_setH(self.toon.getH())

    def lookAtArena(self):
        self.cameraManager.setEnabled(True)
        self.cameraManager.setTargetPos(
            self.activity.view.arena.find(
                "**/conclusionCamPos_locator").getPos(render))
        self.cameraManager.setTargetLookAtPos(
            self.activity.view.arena.find(
                "**/conclusionCamAim_locator").getPos(render))

    def lookAtMyTeam(self):
        activityView = self.activity.view
        arena = activityView.arena
        pos = activityView.teamCamPosLocators[self.team].getPos()
        aim = activityView.teamCamAimLocators[self.team].getPos()
        camera.wrtReparentTo(arena)
        self.cameraManager.setPos(camera.getPos(render))
        self.tempNP.reparentTo(arena)
        self.tempNP.setPos(arena, pos)
        self.cameraManager.setTargetPos(self.tempNP.getPos(render))
        self.cameraManager.setLookAtPos(self.getLookat(camera))
        self.tempNP.reparentTo(arena)
        self.tempNP.setPos(arena, aim)
        self.cameraManager.setTargetLookAtPos(self.tempNP.getPos(render))
        self.cameraManager.setEnabled(True)
        camera.setP(0.0)
        camera.setR(0.0)
Exemplo n.º 4
0
class CogdoFlyingCameraManager:
    def __init__(self, cam, parent, player, level):
        self._toon = player.toon
        self._camera = cam
        self._parent = parent
        self._player = player
        self._level = level
        self._enabled = False

    def enable(self):
        if self._enabled:
            return
        self._toon.detachCamera()
        self._prevToonY = 0.0
        levelBounds = self._level.getBounds()
        l = Globals.Camera.LevelBoundsFactor
        self._bounds = (
            (levelBounds[0][0] * l[0], levelBounds[0][1] * l[0]),
            (levelBounds[1][0] * l[1], levelBounds[1][1] * l[1]),
            (levelBounds[2][0] * l[2], levelBounds[2][1] * l[2]),
        )
        self._lookAtZ = self._toon.getHeight(
        ) + Globals.Camera.LookAtToonHeightOffset
        self._camParent = NodePath('CamParent')
        self._camParent.reparentTo(self._parent)
        self._camParent.setPos(self._toon, 0, 0, 0)
        self._camParent.setHpr(180, Globals.Camera.Angle, 0)
        self._camera.reparentTo(self._camParent)
        self._camera.setPos(0, Globals.Camera.Distance, 0)
        self._camera.lookAt(self._toon, 0, 0, self._lookAtZ)
        self._cameraLookAtNP = NodePath('CameraLookAt')
        self._cameraLookAtNP.reparentTo(self._camera.getParent())
        self._cameraLookAtNP.setPosHpr(self._camera.getPos(),
                                       self._camera.getHpr())
        self._levelBounds = self._level.getBounds()
        self._enabled = True
        self._frozen = False
        self._initCollisions()

    def _initCollisions(self):
        self._camCollRay = CollisionRay()
        camCollNode = CollisionNode('CameraToonRay')
        camCollNode.addSolid(self._camCollRay)
        camCollNode.setFromCollideMask(OTPGlobals.WallBitmask
                                       | OTPGlobals.CameraBitmask
                                       | ToontownGlobals.FloorEventBitmask
                                       | ToontownGlobals.CeilingBitmask)
        camCollNode.setIntoCollideMask(0)
        self._camCollNP = self._camera.attachNewNode(camCollNode)
        self._camCollNP.show()
        self._collOffset = Vec3(0, 0, 0.5)
        self._collHandler = CollisionHandlerQueue()
        self._collTrav = CollisionTraverser()
        self._collTrav.addCollider(self._camCollNP, self._collHandler)
        self._betweenCamAndToon = {}
        self._transNP = NodePath('trans')
        self._transNP.reparentTo(render)
        self._transNP.setTransparency(True)
        self._transNP.setAlphaScale(Globals.Camera.AlphaBetweenToon)
        self._transNP.setBin('fixed', 10000)

    def _destroyCollisions(self):
        self._collTrav.removeCollider(self._camCollNP)
        self._camCollNP.removeNode()
        del self._camCollNP
        del self._camCollRay
        del self._collHandler
        del self._collOffset
        del self._betweenCamAndToon
        self._transNP.removeNode()
        del self._transNP

    def freeze(self):
        self._frozen = True

    def unfreeze(self):
        self._frozen = False

    def disable(self):
        if not self._enabled:
            return
        self._destroyCollisions()
        self._camera.wrtReparentTo(render)
        self._cameraLookAtNP.removeNode()
        del self._cameraLookAtNP
        self._camParent.removeNode()
        del self._camParent
        del self._prevToonY
        del self._lookAtZ
        del self._bounds
        del self._frozen
        self._enabled = False

    def update(self, dt=0.0):
        self._updateCam(dt)
        self._updateCollisions()

    def _updateCam(self, dt):
        toonPos = self._toon.getPos()
        camPos = self._camParent.getPos()
        x = camPos[0]
        z = camPos[2]
        toonWorldX = self._toon.getX(render)
        maxX = Globals.Camera.MaxSpinX
        toonWorldX = clamp(toonWorldX, -1.0 * maxX, maxX)
        spinAngle = Globals.Camera.MaxSpinAngle * toonWorldX * toonWorldX / (
            maxX * maxX)
        newH = 180.0 + spinAngle
        self._camParent.setH(newH)
        spinAngle = spinAngle * (pi / 180.0)
        distBehindToon = Globals.Camera.SpinRadius * cos(spinAngle)
        distToRightOfToon = Globals.Camera.SpinRadius * sin(spinAngle)
        d = self._camParent.getX() - clamp(toonPos[0], *self._bounds[0])
        if abs(d) > Globals.Camera.LeewayX:
            if d > Globals.Camera.LeewayX:
                x = toonPos[0] + Globals.Camera.LeewayX
            else:
                x = toonPos[0] - Globals.Camera.LeewayX
        x = self._toon.getX(render) + distToRightOfToon
        boundToonZ = min(toonPos[2], self._bounds[2][1])
        d = z - boundToonZ
        if d > Globals.Camera.MinLeewayZ:
            if self._player.velocity[2] >= 0 and toonPos[
                    1] != self._prevToonY or self._player.velocity[2] > 0:
                z = boundToonZ + d * INVERSE_E**(dt *
                                                 Globals.Camera.CatchUpRateZ)
            elif d > Globals.Camera.MaxLeewayZ:
                z = boundToonZ + Globals.Camera.MaxLeewayZ
        elif d < -Globals.Camera.MinLeewayZ:
            z = boundToonZ - Globals.Camera.MinLeewayZ
        if self._frozen:
            y = camPos[1]
        else:
            y = self._toon.getY(render) - distBehindToon
        self._camParent.setPos(x, smooth(camPos[1], y), smooth(camPos[2], z))
        if toonPos[2] < self._bounds[2][1]:
            h = self._cameraLookAtNP.getH()
            if d >= Globals.Camera.MinLeewayZ:
                self._cameraLookAtNP.lookAt(self._toon, 0, 0, self._lookAtZ)
            elif d <= -Globals.Camera.MinLeewayZ:
                self._cameraLookAtNP.lookAt(self._camParent, 0, 0,
                                            self._lookAtZ)
            self._cameraLookAtNP.setHpr(h, self._cameraLookAtNP.getP(), 0)
            self._camera.setHpr(
                smooth(self._camera.getHpr(), self._cameraLookAtNP.getHpr()))
        self._prevToonY = toonPos[1]

    def _updateCollisions(self):
        pos = self._toon.getPos(self._camera) + self._collOffset
        self._camCollRay.setOrigin(pos)
        direction = -Vec3(pos)
        direction.normalize()
        self._camCollRay.setDirection(direction)
        self._collTrav.traverse(render)
        nodesInBetween = {}
        if self._collHandler.getNumEntries() > 0:
            self._collHandler.sortEntries()
            for entry in self._collHandler.getEntries():
                name = entry.getIntoNode().getName()
                if name.find('col_') >= 0:
                    np = entry.getIntoNodePath().getParent()
                    if np not in nodesInBetween:
                        nodesInBetween[np] = np.getParent()

        for np in list(nodesInBetween.keys()):
            if np in self._betweenCamAndToon:
                del self._betweenCamAndToon[np]
            else:
                np.setTransparency(True)
                np.wrtReparentTo(self._transNP)
                if np.getName().find('lightFixture') >= 0:
                    np.find('**/*floor_mesh').hide()
                elif np.getName().find('platform') >= 0:
                    np.find('**/*Floor').hide()

        for np, parent in list(self._betweenCamAndToon.items()):
            np.wrtReparentTo(parent)
            np.setTransparency(False)
            if np.getName().find('lightFixture') >= 0:
                np.find('**/*floor_mesh').show()
            elif np.getName().find('platform') >= 0:
                np.find('**/*Floor').show()

        self._betweenCamAndToon = nodesInBetween
Exemplo n.º 5
0
class CameraManager:
    nextID = 0

    def __init__(self, cameraNP):
        self.cameraNP = cameraNP

        self.id = CameraManager.nextID
        CameraManager.nextID += 1

        self.otherNP = render
        self.lookAtNP = NodePath("CameraManager%d.lookAtNP" % self.id)
        self.lookAtEnabled = False
        self.targetPos = Point3(0.0, 0.0, 0.0)
        self.targetLookAtPos = Point3(0.0, 1.0, 0.0)
        self.enabled = False

        self.rate = 10.0

    def destroy(self):
        if self.enabled:
            self.setEnabled(False)

        self.lookAtNP.removeNode()
        del self.lookAtNP
        del self.targetPos
        del self.targetLookAtPos
        del self.otherNP

    def setEnabled(self, enabled):
        if enabled != self.enabled:
            if enabled:
                taskMgr.add(self.updateTask,
                            "CameraManager%d.update" % self.id)
            else:
                taskMgr.remove("CameraManager%d.update" % self.id)
            self.enabled = enabled

    def setTargetPos(self, p):
        self.targetPos = p

    def setPos(self, p):
        self.targetPos = p
        self.cameraNP.setPos(self.otherNP, p)

    def setTargetLookAtPos(self, p):
        self.lookAtEnabled = True
        self.targetLookAtPos = p

    def setLookAtPos(self, p):
        self.lookAtEnabled = True
        self.targetLookAtPos = p
        self.lookAtNP.setPos(p)

    def setHpr(self, hpr):
        self.lookAtEnabled = False
        self.cameraNP.setHpr(self.otherNP, hpr)

    def updateTask(self, task):
        # position
        newCameraPos = self.rateInterpolate(self.cameraNP.getPos(self.otherNP),
                                            self.targetPos)
        self.cameraNP.setPos(self.otherNP, newCameraPos)

        # look at
        if self.lookAtEnabled:
            newLookAtPos = self.rateInterpolate(
                self.lookAtNP.getPos(self.otherNP), self.targetLookAtPos)
            self.lookAtNP.setPos(self.otherNP, newLookAtPos)
            self.cameraNP.lookAt(self.lookAtNP)

        return task.cont

    def rateInterpolate(self, currentPos, targetPos):
        dt = globalClock.getDt()
        vec = currentPos - targetPos
        return targetPos + vec * (inverse_e**(dt * self.rate))