637 lines
25 KiB
Python
Executable File
637 lines
25 KiB
Python
Executable File
"""
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GravityWalker.py is for avatars.
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A walker control such as this one provides:
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- creation of the collision nodes
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- handling the keyboard and mouse input for avatar movement
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- moving the avatar
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it does not:
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- play sounds
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- play animations
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although it does send messeges that allow a listener to play sounds or
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animations based on walker events.
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"""
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from direct.showbase.ShowBaseGlobal import *
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from direct.directnotify import DirectNotifyGlobal
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from direct.showbase import DirectObject
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#from pandac import PhysicsManager
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import math
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class GravityWalker(DirectObject.DirectObject):
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notify = DirectNotifyGlobal.directNotify.newCategory("GravityWalker")
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wantDebugIndicator = base.config.GetBool('want-avatar-physics-indicator', 0)
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wantFloorSphere = base.config.GetBool('want-floor-sphere', 0)
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# special methods
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def __init__(self, gravity = -32.1740, standableGround=0.707,
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hardLandingForce=16.0):
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assert self.notify.debugStateCall(self)
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DirectObject.DirectObject.__init__(self)
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self.__gravity=gravity
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self.__standableGround=standableGround
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self.__hardLandingForce=hardLandingForce
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self.mayJump = 1
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self.jumpDelayTask = None
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self.controlsTask = None
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self.indicatorTask = None
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self.falling = 0
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self.needToDeltaPos = 0
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self.physVelocityIndicator=None
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self.avatarControlForwardSpeed=0
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self.avatarControlJumpForce=0
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self.avatarControlReverseSpeed=0
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self.avatarControlRotateSpeed=0
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self.getAirborneHeight=None
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self.priorParent=Vec3(0)
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self.__oldPosDelta=Vec3(0)
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self.__oldDt=0
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self.moving=0
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self.speed=0.0
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self.rotationSpeed=0.0
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self.slideSpeed=0.0
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self.vel=Vec3(0.0)
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self.collisionsActive = 0
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self.isAirborne = 0
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self.highMark = 0
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def delete(self):
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assert self.notify.debugStateCall(self)
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if self.doLaterTask is not None:
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self.doLaterTask.remove()
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del self.doLaterTask
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#DirectObject.DirectObject.delete(self)
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"""
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def spawnTest(self):
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assert self.notify.debugStateCall(self)
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if not self.wantDebugIndicator:
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return
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from pandac.PandaModules import *
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from direct.interval.IntervalGlobal import *
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from toontown.coghq import MovingPlatform
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if hasattr(self, "platform"):
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# Remove the prior instantiation:
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self.moveIval.pause()
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del self.moveIval
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self.platform.destroy()
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del self.platform
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self.platform2.destroy()
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del self.platform2
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model = loader.loadModelCopy('phase_9/models/cogHQ/platform1')
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fakeId = id(self)
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self.platform = MovingPlatform.MovingPlatform()
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self.platform.setupCopyModel(fakeId, model, 'platformcollision')
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self.platformRoot = render.attachNewNode("GravityWalker-spawnTest-%s"%fakeId)
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self.platformRoot.setPos(base.localAvatar, Vec3(0.0, 0.0, 1.0))
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self.platformRoot.setHpr(base.localAvatar, Vec3.zero())
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self.platform.reparentTo(self.platformRoot)
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self.platform2 = MovingPlatform.MovingPlatform()
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self.platform2.setupCopyModel(1+fakeId, model, 'platformcollision')
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self.platform2Root = render.attachNewNode("GravityWalker-spawnTest2-%s"%fakeId)
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self.platform2Root.setPos(base.localAvatar, Vec3(-16.0, 30.0, 1.0))
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self.platform2Root.setHpr(base.localAvatar, Vec3.zero())
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self.platform2.reparentTo(self.platform2Root)
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duration = 5
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self.moveIval = Parallel(
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Sequence(
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WaitInterval(0.3),
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LerpPosInterval(self.platform, duration,
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Vec3(0.0, 30.0, 0.0),
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name='platformOut%s' % fakeId,
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fluid = 1),
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WaitInterval(0.3),
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LerpPosInterval(self.platform, duration,
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Vec3(0.0, 0.0, 0.0),
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name='platformBack%s' % fakeId,
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fluid = 1),
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WaitInterval(0.3),
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LerpPosInterval(self.platform, duration,
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Vec3(0.0, 0.0, 30.0),
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name='platformUp%s' % fakeId,
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fluid = 1),
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WaitInterval(0.3),
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LerpPosInterval(self.platform, duration,
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Vec3(0.0, 0.0, 0.0),
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name='platformDown%s' % fakeId,
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fluid = 1),
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),
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Sequence(
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WaitInterval(0.3),
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LerpPosInterval(self.platform2, duration,
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Vec3(0.0, -30.0, 0.0),
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name='platform2Out%s' % fakeId,
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fluid = 1),
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WaitInterval(0.3),
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LerpPosInterval(self.platform2, duration,
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Vec3(0.0, 30.0, 30.0),
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name='platform2Back%s' % fakeId,
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fluid = 1),
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WaitInterval(0.3),
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LerpPosInterval(self.platform2, duration,
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Vec3(0.0, -30.0, 0.0),
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name='platform2Up%s' % fakeId,
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fluid = 1),
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WaitInterval(0.3),
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LerpPosInterval(self.platform2, duration,
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Vec3(0.0, 0.0, 0.0),
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name='platformDown%s' % fakeId,
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fluid = 1),
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),
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name='platformIval%s' % fakeId,
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)
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self.moveIval.loop()
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"""
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def setWalkSpeed(self, forward, jump, reverse, rotate):
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assert self.notify.debugStateCall(self)
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self.avatarControlForwardSpeed=forward
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self.avatarControlJumpForce=jump
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self.avatarControlReverseSpeed=reverse
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self.avatarControlRotateSpeed=rotate
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def getSpeeds(self):
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#assert(self.debugPrint("getSpeeds()"))
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return (self.speed, self.rotationSpeed)
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def setAvatar(self, avatar):
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self.avatar = avatar
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if avatar is not None:
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pass # setup the avatar
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def setupRay(self, bitmask, floorOffset, reach):
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assert self.notify.debugStateCall(self)
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# This is a ray cast from your head down to detect floor polygons.
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# This ray start is arbitrarily high in the air. Feel free to use
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# a higher or lower value depending on whether you want an avatar
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# that is outside of the world to step up to the floor when they
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# get under valid floor:
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cRay = CollisionRay(0.0, 0.0, CollisionHandlerRayStart, 0.0, 0.0, -1.0)
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cRayNode = CollisionNode('GW.cRayNode')
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cRayNode.addSolid(cRay)
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self.cRayNodePath = self.avatarNodePath.attachNewNode(cRayNode)
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cRayNode.setFromCollideMask(bitmask)
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cRayNode.setIntoCollideMask(BitMask32.allOff())
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# set up floor collision mechanism
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self.lifter = CollisionHandlerGravity()
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self.lifter.setGravity(32.174 * 2.0)
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self.lifter.addInPattern("enter%in")
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self.lifter.addOutPattern("exit%in")
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self.lifter.setOffset(floorOffset)
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self.lifter.setReach(reach)
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# Limit our rate-of-fall with the lifter.
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# If this is too low, we actually "fall" off steep stairs
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# and float above them as we go down. I increased this
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# from 8.0 to 16.0 to prevent this
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#self.lifter.setMaxVelocity(16.0)
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self.lifter.addCollider(self.cRayNodePath, self.avatarNodePath)
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def setupWallSphere(self, bitmask, avatarRadius):
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"""
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Set up the collision sphere
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"""
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assert self.notify.debugStateCall(self)
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# This is a sphere on the ground to detect collisions with
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# walls, but not the floor.
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self.avatarRadius = avatarRadius
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cSphere = CollisionSphere(0.0, 0.0, avatarRadius, avatarRadius)
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cSphereNode = CollisionNode('GW.cWallSphereNode')
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cSphereNode.addSolid(cSphere)
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cSphereNodePath = self.avatarNodePath.attachNewNode(cSphereNode)
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cSphereNode.setFromCollideMask(bitmask)
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cSphereNode.setIntoCollideMask(BitMask32.allOff())
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# set up collision mechanism
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handler = CollisionHandlerPusher()
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#handler.setInPattern("pusher_enter%in")
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#handler.setOutPattern("pusher_exit%in")
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handler.addCollider(cSphereNodePath, self.avatarNodePath)
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self.pusher = handler
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self.cWallSphereNodePath = cSphereNodePath
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def setupEventSphere(self, bitmask, avatarRadius):
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"""
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Set up the collision sphere
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"""
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assert self.notify.debugStateCall(self)
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# This is a sphere a little larger than the wall sphere to
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# trigger events.
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self.avatarRadius = avatarRadius
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cSphere = CollisionSphere(0.0, 0.0, avatarRadius-0.1, avatarRadius*1.04)
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# Mark it intangible just to emphasize its non-physical purpose.
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cSphere.setTangible(0)
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cSphereNode = CollisionNode('GW.cEventSphereNode')
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cSphereNode.addSolid(cSphere)
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cSphereNodePath = self.avatarNodePath.attachNewNode(cSphereNode)
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cSphereNode.setFromCollideMask(bitmask)
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cSphereNode.setIntoCollideMask(BitMask32.allOff())
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# set up collision mechanism
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handler = CollisionHandlerEvent()
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handler.addInPattern("enter%in")
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handler.addOutPattern("exit%in")
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self.event = handler
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self.cEventSphereNodePath = cSphereNodePath
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def setupFloorSphere(self, bitmask, avatarRadius):
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"""
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Set up the collision sphere
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"""
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assert self.notify.debugStateCall(self)
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# This is a tiny sphere concentric with the wallSphere to keep
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# us from slipping through floors.
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self.avatarRadius = avatarRadius
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cSphere = CollisionSphere(0.0, 0.0, avatarRadius, 0.01)
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cSphereNode = CollisionNode('GW.cFloorSphereNode')
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cSphereNode.addSolid(cSphere)
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cSphereNodePath = self.avatarNodePath.attachNewNode(cSphereNode)
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cSphereNode.setFromCollideMask(bitmask)
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cSphereNode.setIntoCollideMask(BitMask32.allOff())
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# set up collision mechanism
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handler = CollisionHandlerPusher()
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#handler.setInPattern("pusherFloor_enter%in")
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#handler.setOutPattern("pusherFloor_exit%in")
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handler.addCollider(cSphereNodePath, self.avatarNodePath)
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self.pusherFloor = handler
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self.cFloorSphereNodePath = cSphereNodePath
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def setWallBitMask(self, bitMask):
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self.wallBitmask = bitMask
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def setFloorBitMask(self, bitMask):
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self.floorBitmask = bitMask
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def initializeCollisions(self, collisionTraverser, avatarNodePath,
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avatarRadius = 1.4, floorOffset = 1.0, reach = 1.0):
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"""
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floorOffset is how high the avatar can reach. I.e. if the avatar
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walks under a ledge that is <= floorOffset above the ground (a
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double floor situation), the avatar will step up on to the
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ledge (instantly).
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Set up the avatar collisions
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"""
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assert self.notify.debugStateCall(self)
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assert not avatarNodePath.isEmpty()
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self.avatarNodePath = avatarNodePath
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self.cTrav = collisionTraverser
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self.setupRay(self.floorBitmask, floorOffset, reach )
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self.setupWallSphere(self.wallBitmask, avatarRadius)
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self.setupEventSphere(self.wallBitmask, avatarRadius)
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if self.wantFloorSphere:
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self.setupFloorSphere(self.floorBitmask, avatarRadius)
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self.setCollisionsActive(1)
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def setTag(self, key, value):
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self.cEventSphereNodePath.setTag(key, value)
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def setAirborneHeightFunc(self, unused_parameter):
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assert self.notify.debugStateCall(self)
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self.getAirborneHeight = self.lifter.getAirborneHeight
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def getAirborneHeight(self):
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assert self.notify.debugStateCall(self)
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self.lifter.getAirborneHeight()
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def setAvatarPhysicsIndicator(self, indicator):
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"""
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indicator is a NodePath
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"""
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assert self.notify.debugStateCall(self)
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self.cWallSphereNodePath.show()
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def deleteCollisions(self):
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assert self.notify.debugStateCall(self)
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del self.cTrav
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self.cWallSphereNodePath.removeNode()
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del self.cWallSphereNodePath
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if self.wantFloorSphere:
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self.cFloorSphereNodePath.removeNode()
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del self.cFloorSphereNodePath
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del self.pusher
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# del self.pusherFloor
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del self.event
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del self.lifter
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del self.getAirborneHeight
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def setCollisionsActive(self, active = 1):
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assert self.notify.debugStateCall(self)
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if self.collisionsActive != active:
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self.collisionsActive = active
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# Each time we change the collision geometry, make one
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# more pass to ensure we aren't standing in a wall.
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self.oneTimeCollide()
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if active:
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if 1:
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# Please let skyler or drose know if this is causing a problem
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# This is a bit of a hack fix:
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self.avatarNodePath.setP(0.0)
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self.avatarNodePath.setR(0.0)
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self.cTrav.addCollider(self.cWallSphereNodePath, self.pusher)
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if self.wantFloorSphere:
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self.cTrav.addCollider(self.cFloorSphereNodePath, self.pusherFloor)
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self.cTrav.addCollider(self.cEventSphereNodePath, self.event)
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self.cTrav.addCollider(self.cRayNodePath, self.lifter)
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else:
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self.cTrav.removeCollider(self.cWallSphereNodePath)
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if self.wantFloorSphere:
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self.cTrav.removeCollider(self.cFloorSphereNodePath)
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self.cTrav.removeCollider(self.cEventSphereNodePath)
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self.cTrav.removeCollider(self.cRayNodePath)
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def getCollisionsActive(self):
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assert(self.debugPrint("getCollisionsActive() returning=%s"%(
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self.collisionsActive,)))
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return self.collisionsActive
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def placeOnFloor(self):
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"""
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Make a reasonable effor to place the avatar on the ground.
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For example, this is useful when switching away from the
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current walker.
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"""
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assert self.notify.debugStateCall(self)
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self.oneTimeCollide()
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self.avatarNodePath.setZ(self.avatarNodePath.getZ()-self.lifter.getAirborneHeight())
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def oneTimeCollide(self):
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"""
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Makes one quick collision pass for the avatar, for instance as
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a one-time straighten-things-up operation after collisions
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have been disabled.
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"""
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assert self.notify.debugStateCall(self)
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self.isAirborne = 0
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self.mayJump = 1
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tempCTrav = CollisionTraverser("oneTimeCollide")
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tempCTrav.addCollider(self.cWallSphereNodePath, self.pusher)
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if self.wantFloorSphere:
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tempCTrav.addCollider(self.cFloorSphereNodePath, self.event)
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tempCTrav.addCollider(self.cRayNodePath, self.lifter)
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tempCTrav.traverse(render)
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def setMayJump(self, task):
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"""
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This function's use is internal to this class (maybe I'll add
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the __ someday). Anyway, if you want to enable or disable
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jumping in a general way see the ControlManager (don't use this).
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"""
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assert self.notify.debugStateCall(self)
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self.mayJump = 1
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return Task.done
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def startJumpDelay(self, delay):
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assert self.notify.debugStateCall(self)
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if self.jumpDelayTask:
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self.jumpDelayTask.remove()
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self.mayJump = 0
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self.jumpDelayTask=taskMgr.doMethodLater(
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delay,
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self.setMayJump,
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"jumpDelay-%s"%id(self))
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def displayDebugInfo(self):
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"""
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For debug use.
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"""
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onScreenDebug.add("w controls", "GravityWalker")
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onScreenDebug.add("w airborneHeight", self.lifter.getAirborneHeight())
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onScreenDebug.add("w falling", self.falling)
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onScreenDebug.add("w isOnGround", self.lifter.isOnGround())
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#onScreenDebug.add("w gravity", self.lifter.getGravity())
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#onScreenDebug.add("w jumpForce", self.avatarControlJumpForce)
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onScreenDebug.add("w contact normal", self.lifter.getContactNormal().pPrintValues())
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onScreenDebug.add("w mayJump", self.mayJump)
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onScreenDebug.add("w impact", self.lifter.getImpactVelocity())
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onScreenDebug.add("w velocity", self.lifter.getVelocity())
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onScreenDebug.add("w isAirborne", self.isAirborne)
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onScreenDebug.add("w hasContact", self.lifter.hasContact())
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def handleAvatarControls(self, task):
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"""
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Check on the arrow keys and update the avatar.
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"""
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# get the button states:
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run = inputState.isSet("run")
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forward = inputState.isSet("forward")
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reverse = inputState.isSet("reverse")
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turnLeft = inputState.isSet("turnLeft")
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turnRight = inputState.isSet("turnRight")
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slide = 0 #hack -- was: inputState.isSet("slide")
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jump = inputState.isSet("jump")
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# Determine what the speeds are based on the buttons:
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self.speed=(forward and self.avatarControlForwardSpeed or
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reverse and -self.avatarControlReverseSpeed)
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#if run and self.speed>0.0:
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# self.speed*=2.0 #*#
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# Should fSlide be renamed slideButton?
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self.slideSpeed=slide and (
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(turnLeft and -self.avatarControlForwardSpeed) or
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(turnRight and self.avatarControlForwardSpeed))
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self.rotationSpeed=not slide and (
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(turnLeft and self.avatarControlRotateSpeed) or
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(turnRight and -self.avatarControlRotateSpeed))
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if __debug__:
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debugRunning = inputState.isSet("debugRunning")
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if debugRunning:
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self.speed*=4.0
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self.slideSpeed*=4.0
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self.rotationSpeed*=1.25
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if self.needToDeltaPos:
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self.setPriorParentVector()
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self.needToDeltaPos = 0
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if self.wantDebugIndicator:
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self.displayDebugInfo()
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if self.lifter.isOnGround():
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if self.isAirborne:
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self.isAirborne = 0
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assert(self.debugPrint("isAirborne 0 due to isOnGround() true"))
|
|
impact = self.lifter.getImpactVelocity()
|
|
if impact < -30.0:
|
|
messenger.send("jumpHardLand")
|
|
self.startJumpDelay(0.3)
|
|
else:
|
|
messenger.send("jumpLand")
|
|
if impact < -5.0:
|
|
self.startJumpDelay(0.2)
|
|
# else, ignore the little potholes.
|
|
assert(self.isAirborne == 0)
|
|
self.priorParent = Vec3.zero()
|
|
if jump and self.mayJump:
|
|
# ...the jump button is down and we're close
|
|
# enough to the ground to jump.
|
|
self.lifter.addVelocity(self.avatarControlJumpForce)
|
|
messenger.send("jumpStart")
|
|
self.isAirborne = 1
|
|
assert(self.debugPrint("isAirborne 1 due to jump"))
|
|
else:
|
|
if self.isAirborne == 0:
|
|
assert(self.debugPrint("isAirborne 1 due to isOnGround() false"))
|
|
self.isAirborne = 1
|
|
|
|
self.__oldPosDelta = self.avatarNodePath.getPosDelta(render)
|
|
# How far did we move based on the amount of time elapsed?
|
|
self.__oldDt = ClockObject.getGlobalClock().getDt()
|
|
dt=self.__oldDt
|
|
|
|
# Check to see if we're moving at all:
|
|
self.moving = self.speed or self.slideSpeed or self.rotationSpeed or (self.priorParent!=Vec3.zero())
|
|
if self.moving:
|
|
distance = dt * self.speed
|
|
slideDistance = dt * self.slideSpeed
|
|
rotation = dt * self.rotationSpeed
|
|
|
|
# Take a step in the direction of our previous heading.
|
|
self.vel=Vec3(Vec3.forward() * distance +
|
|
Vec3.right() * slideDistance)
|
|
if self.vel != Vec3.zero() or self.priorParent != Vec3.zero():
|
|
if 1:
|
|
# rotMat is the rotation matrix corresponding to
|
|
# our previous heading.
|
|
rotMat=Mat3.rotateMatNormaxis(self.avatarNodePath.getH(), Vec3.up())
|
|
step=rotMat.xform(self.vel) + (self.priorParent * dt)
|
|
self.avatarNodePath.setFluidPos(Point3(
|
|
self.avatarNodePath.getPos()+step))
|
|
if 0:
|
|
# rotMat is the rotation matrix corresponding to
|
|
# our previous heading.
|
|
rotMat=Mat3.rotateMatNormaxis(self.avatarNodePath.getH(), self.lifter.getContactNormal())
|
|
step=rotMat.xform(self.vel) + (self.priorParent * dt)
|
|
self.avatarNodePath.setFluidPos(Point3(
|
|
self.avatarNodePath.getPos()+step))
|
|
if 0:
|
|
# rotMat is the rotation matrix corresponding to
|
|
# our previous heading.
|
|
rotMat=Mat3.rotateMatNormaxis(self.avatarNodePath.getH(), Vec3.up())
|
|
forward = Vec3(rotMat.xform(Vec3.forward()))
|
|
up = Vec3(rotMat.xform(self.lifter.getContactNormal()))
|
|
rotMat2=Mat3()
|
|
headsUp(rotMat2, forward, up)
|
|
#rotMat2=Mat3.rotateMatNormaxis(0.0, )
|
|
step=rotMat2.xform(self.vel) + (self.priorParent * dt)
|
|
if 1:
|
|
onScreenDebug.add("a getH()", self.avatarNodePath.getH())
|
|
onScreenDebug.add("a forward", forward.pPrintValues())
|
|
onScreenDebug.add("a up", up.pPrintValues())
|
|
onScreenDebug.add("a Vec3.forward()", Vec3.forward().pPrintValues())
|
|
onScreenDebug.add("a Vec3.up()", Vec3.up().pPrintValues())
|
|
onScreenDebug.add("a Vec3.right()", Vec3.right().pPrintValues())
|
|
onScreenDebug.add("a contactNormal()", self.lifter.getContactNormal().pPrintValues())
|
|
onScreenDebug.add("a rotMat", rotMat.pPrintValues())
|
|
onScreenDebug.add("a rotMat2", rotMat2.pPrintValues())
|
|
self.avatarNodePath.setFluidPos(Point3(
|
|
self.avatarNodePath.getPos()+step))
|
|
self.avatarNodePath.setH(self.avatarNodePath.getH()+rotation)
|
|
else:
|
|
self.vel.set(0.0, 0.0, 0.0)
|
|
if self.moving or jump:
|
|
messenger.send("avatarMoving")
|
|
return Task.cont
|
|
|
|
def doDeltaPos(self):
|
|
assert self.notify.debugStateCall(self)
|
|
self.needToDeltaPos = 1
|
|
|
|
def setPriorParentVector(self):
|
|
assert self.notify.debugStateCall(self)
|
|
if __debug__:
|
|
onScreenDebug.add("__oldDt", "% 10.4f"%self.__oldDt)
|
|
onScreenDebug.add("self.__oldPosDelta",
|
|
self.__oldPosDelta.pPrintValues())
|
|
velocity = self.__oldPosDelta*(1.0/self.__oldDt)
|
|
self.priorParent = Vec3(velocity)
|
|
if __debug__:
|
|
if self.wantDebugIndicator:
|
|
onScreenDebug.add("priorParent", self.priorParent.pPrintValues())
|
|
|
|
def reset(self):
|
|
assert self.notify.debugStateCall(self)
|
|
self.lifter.setVelocity(0.0)
|
|
self.priorParent=Vec3.zero()
|
|
|
|
def enableAvatarControls(self):
|
|
"""
|
|
Activate the arrow keys, etc.
|
|
"""
|
|
assert self.notify.debugStateCall(self)
|
|
assert self.collisionsActive
|
|
|
|
#*#if __debug__:
|
|
#*# self.accept("control-f3", self.spawnTest) #*#
|
|
|
|
# remove any old
|
|
if self.controlsTask:
|
|
self.controlsTask.remove()
|
|
# spawn the new task
|
|
taskName = "AvatarControls-%s"%(id(self),)
|
|
self.controlsTask = taskMgr.add(self.handleAvatarControls, taskName, 25)
|
|
|
|
self.isAirborne = 0
|
|
self.mayJump = 1
|
|
|
|
if self.physVelocityIndicator:
|
|
if self.indicatorTask:
|
|
self.indicatorTask.remove()
|
|
self.indicatorTask = taskMgr.add(
|
|
self.avatarPhysicsIndicator,
|
|
"AvatarControlsIndicator-%s"%(id(self),), 35)
|
|
|
|
def disableAvatarControls(self):
|
|
"""
|
|
Ignore the arrow keys, etc.
|
|
"""
|
|
assert self.notify.debugStateCall(self)
|
|
if self.controlsTask:
|
|
self.controlsTask.remove()
|
|
self.controlsTask = None
|
|
if self.indicatorTask:
|
|
self.indicatorTask.remove()
|
|
self.indicatorTask = None
|
|
if self.jumpDelayTask:
|
|
self.jumpDelayTask.remove()
|
|
self.jumpDelayTask = None
|
|
|
|
if __debug__:
|
|
self.ignore("control-f3") #*#
|
|
|
|
|
|
if __debug__:
|
|
def debugPrint(self, message):
|
|
"""for debugging"""
|
|
return self.notify.debug(
|
|
str(id(self))+' '+message)
|