Beispiel #1
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 not np in nodesInBetween:
                        nodesInBetween[np] = np.getParent()

        for np in 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:
                    if not np.find('**/*floor_mesh').isEmpty():
                        np.find('**/*floor_mesh').hide()
                elif np.getName().find('platform') >= 0:
                    if not np.find('**/*Floor').isEmpty():
                        np.find('**/*Floor').hide()

        for np, parent in self._betweenCamAndToon.items():
            np.wrtReparentTo(parent)
            np.setTransparency(False)
            if np.getName().find('lightFixture') >= 0:
                if not np.find('**/*floor_mesh').isEmpty():
                    np.find('**/*floor_mesh').show()
            elif np.getName().find('platform') >= 0:
                if not np.find('**/*Floor').isEmpty():
                    np.find('**/*Floor').show()

        self._betweenCamAndToon = nodesInBetween
Beispiel #2
0
class NodeRaycaster:
    def __init__(self, renderer):

        self.log = logging.getLogger('pano.raycaster')

        self.renderer = renderer

        #Stores the collisions of the camera ray with the cubemap
        self.collisionsQueue = None

        #Variables for setting up collision detection in Panda
        self.pickerNP = None
        self.pickerNode = None
        self.pickerRay = None
        self.traverser = None

    def initialize(self):
        """
        To setup collision detection we need:
            a. A CollisionNode having a ray as its solid and placed at the position
               of the camera while also having the same orientation as the camera.
            b. A new nodepath placed in the scenegraph as an immediate child of the
               camera. It will be used to insert the collision node in the scenegraph.
            c. A CollisionRay for firing rays based on mouse clicks.
            d. A collisions traverser.
            e. A collisions queue where all found collisions will be stored for later
               processing.
        """
        self.traverser = CollisionTraverser('Hotspots collision traverser')
        self.collisionsQueue = CollisionHandlerQueue()
        self.pickerNode = CollisionNode('mouseRay')
        self.pickerRay = CollisionRay()
        self.pickerNode.addSolid(self.pickerRay)
        self.pickerNP = self.renderer.getCamera().attachNewNode(
            self.pickerNode)
        self.traverser.addCollider(self.pickerNP, self.collisionsQueue)

    def dispose(self):
        if self.pickerNP is not None:
            self.traverser.removeCollider(self.pickerNP)
            self.pickerNode.clearSolids()
            self.pickerNP.removeNode()

    def raycastWindow(self, x, y, returnAll=False):
        '''
        Casts a camera ray, whose origin is implicitly defined by the given window coordinates, against 
        the rendered scene returns information regarding the hit point, if any.
        
        @param x: The x window coordinate of the ray's origin in render2d space.
        @param y: The y window coordinate of the ray's origin in render2d space 
        @param returnAll: If set to False then only the closest collided geometry is returned, otherwise
        all nodepaths whose collision nodes were intersected by the camera ray will be returned. 
        @return: 
        If returnAll was False, then a list containing a tuple of the form (topmost intersected NodePath, contact point Point3f).
        if returnAll was set to True, a list of tuples in the same form as above, one tuple for each intersection. 
        None if no collision occurred. 
        '''
        #This makes the ray's origin the camera and makes the ray point
        #to the screen coordinates of the mouse
        self.pickerRay.setFromLens(self.renderer.getCamera().node(), x, y)

        #Check for collision only with the node
        self.traverser.traverse(self.renderer.getSceneRoot())

        if self.collisionsQueue.getNumEntries() > 0:
            if not returnAll:
                self.collisionsQueue.sortEntries()
                cEntry = self.collisionsQueue.getEntry(0)
                if cEntry.hasInto():
                    return [(cEntry.getIntoNodePath(),
                             cEntry.getSurfacePoint())]
                else:
                    return None
            else:
                nodepaths = []
                for i in xrange(self.collisionsQueue.getNumEntries()):
                    cEntry = self.collisionsQueue.getEntry(i)
                    if cEntry.hasInto():
                        #                        self.log.debug('adding collision into-nodepath: %s' % str(cEntry.getIntoNodePath()))
                        intoNP = cEntry.getIntoNodePath()
                        nodepaths.append(
                            (intoNP, cEntry.getSurfacePoint(intoNP)))
                return nodepaths
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 not nodesInBetween.has_key(np):
                        nodesInBetween[np] = np.getParent()

        for np in nodesInBetween.keys():
            if self._betweenCamAndToon.has_key(np):
                del self._betweenCamAndToon[np]
            else:
                np.setTransparency(True)
                np.wrtReparentTo(self._transNP)
                if np.getName().find("lightFixture") >= 0:
                    if not np.find("**/*floor_mesh").isEmpty():
                        np.find("**/*floor_mesh").hide()
                elif np.getName().find("platform") >= 0:
                    if not np.find("**/*Floor").isEmpty():
                        np.find("**/*Floor").hide()

        for np, parent in self._betweenCamAndToon.items():
            np.wrtReparentTo(parent)
            np.setTransparency(False)
            if np.getName().find("lightFixture") >= 0:
                if not np.find("**/*floor_mesh").isEmpty():
                    np.find("**/*floor_mesh").show()
            elif np.getName().find("platform") >= 0:
                if not np.find("**/*Floor").isEmpty():
                    np.find("**/*Floor").show()

        self._betweenCamAndToon = nodesInBetween