import math from pandac.PandaModules import NodePath, Vec3 from pandac.PandaModules import CollisionTraverser, CollisionHandlerQueue from pandac.PandaModules import CollisionRay, CollisionNode from math import pi, sin, cos from direct.showbase.PythonUtil import bound as clamp from otp.otpbase import OTPGlobals from toontown.toonbase import ToontownGlobals import CogdoFlyingGameGlobals as Globals INVERSE_E = 1.0 / math.e def smooth(old, new): return old * 0.7 + new * 0.3 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: np.find('**/*floor_mesh').hide() elif np.getName().find('platform') >= 0: np.find('**/*Floor').hide() for np, parent in 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