Poodletooth-iLand/dependencies/panda/direct/directdevices/DirectJoybox.py
2015-05-29 05:03:48 -05:00

515 lines
19 KiB
Python

""" Class used to create and control joybox device """
from direct.showbase.DirectObject import DirectObject
from DirectDeviceManager import *
from direct.directtools.DirectUtil import *
from direct.gui import OnscreenText
from direct.task import Task
import math
"""
TODO:
Handle interaction between widget, followSelectedTask and updateTask
"""
# BUTTONS
L_STICK = 0
L_UPPER = 1
L_LOWER = 2
R_STICK = 3
R_UPPER = 4
R_LOWER = 5
# ANALOGS
NULL_AXIS = -1
L_LEFT_RIGHT = 0
L_FWD_BACK = 1
L_TWIST = 2
L_SLIDE = 3
R_LEFT_RIGHT = 4
R_FWD_BACK = 5
R_TWIST = 6
R_SLIDE = 7
JOYBOX_MIN = ANALOG_MIN + ANALOG_DEADBAND
JOYBOX_MAX = ANALOG_MAX - ANALOG_DEADBAND
JOYBOX_RANGE = JOYBOX_MAX - JOYBOX_MIN
JOYBOX_TREAD_SEPERATION = 1.0
class DirectJoybox(DirectObject):
joyboxCount = 0
xyzMultiplier = 1.0
hprMultiplier = 1.0
def __init__(self, device = 'CerealBox', nodePath = base.direct.camera,
headingNP = base.direct.camera):
# See if device manager has been initialized
if base.direct.deviceManager == None:
base.direct.deviceManager = DirectDeviceManager()
# Set name
DirectJoybox.joyboxCount += 1
self.name = 'Joybox-' + repr(DirectJoybox.joyboxCount)
# Get buttons and analogs
self.device = device
self.analogs = base.direct.deviceManager.createAnalogs(self.device)
self.buttons = base.direct.deviceManager.createButtons(self.device)
self.aList = [0, 0, 0, 0, 0, 0, 0, 0]
self.bList = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
# For joybox fly mode
# Default is joe mode
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, L_FWD_BACK,
R_TWIST, L_TWIST, NULL_AXIS]
self.modifier = [1, 1, 1, -1, -1, 0]
# Initialize time
self.lastTime = globalClock.getFrameTime()
# Record node path
self.nodePath = nodePath
self.headingNP = headingNP
self.useHeadingNP = False
self.rotateInPlace = False
self.floatingNP = NodePath("floating")
# Ref CS for orbit mode
self.refCS = base.direct.cameraControl.coaMarker
self.tempCS = base.direct.group.attachNewNode('JoyboxTempCS')
# Text object to display current mode
self.readout = OnscreenText.OnscreenText(
pos = (-0.9, 0.95),
font = base.direct.font,
mayChange = 1)
# List of functions to cycle through
self.modeList = [self.joeMode, self.driveMode, self.orbitMode]
# Pick initial mode
self.updateFunc = self.joyboxFly
self.modeName = 'Joe Mode'
# Auxiliary data
self.auxData = []
# Button registry
self.addButtonEvents()
# Spawn update task
self.enable()
def setHeadingNodePath(self,np):
self.headingNP = np
def enable(self):
# Kill existing task
self.disable()
# Accept button events
self.acceptSwitchModeEvent()
self.acceptUprightCameraEvent()
# Update task
taskMgr.add(self.updateTask, self.name + '-updateTask')
def disable(self):
taskMgr.remove(self.name + '-updateTask')
# Ignore button events
self.ignoreSwitchModeEvent()
self.ignoreUprightCameraEvent()
def destroy(self):
self.disable()
self.tempCS.removeNode()
def addButtonEvents(self):
self.breg = ButtonRegistry.ptr()
# MRM: Hard coded!
for i in range(8):
self.buttons.setButtonMap(
i, self.breg.getButton(self.getEventName(i)))
self.eventThrower = self.buttons.getNodePath().attachNewNode(
ButtonThrower('JB Button Thrower'))
def setNodePath(self, nodePath):
self.nodePath = nodePath
def getNodePath(self):
return self.nodePath
def setRefCS(self, refCS):
self.refCS = refCS
def getRefCS(self):
return self.refCS
def getEventName(self, index):
return self.name + '-button-' + repr(index)
def setXyzMultiplier(self, multiplier):
DirectJoybox.xyzMultiplier = multiplier
def getXyzMultiplier(self):
return DirectJoybox.xyzMultiplier
def setHprMultiplier(self, multiplier):
DirectJoybox.hprMultiplier = multiplier
def getHprMultiplier(self):
return DirectJoybox.hprMultiplier
def updateTask(self, state):
# old optimization
#self.updateValsUnrolled()
self.updateVals()
self.updateFunc()
return Task.cont
def updateVals(self):
# Update delta time
cTime = globalClock.getFrameTime()
self.deltaTime = cTime - self.lastTime
self.lastTime = cTime
# Update analogs
for i in range(len(self.analogs)):
self.aList[i] = self.normalizeChannel(i)
# Update buttons
for i in range(len(self.buttons)):
try:
self.bList[i] = self.buttons[i]
except IndexError:
# That channel may not have been updated yet
self.bList[i] = 0
def updateValsUnrolled(self):
# Update delta time
cTime = globalClock.getFrameTime()
self.deltaTime = cTime - self.lastTime
self.lastTime = cTime
# Update analogs
for chan in range(len(self.analogs)):
val = self.analogs.getControlState(chan)
# Zero out values in deadband
if (val < 0):
val = min(val + ANALOG_DEADBAND, 0.0)
else:
val = max(val - ANALOG_DEADBAND, 0.0)
# Scale up rotating knob values
if (chan == L_TWIST) or (chan == R_TWIST):
val *= 3.0
# Now clamp value between minVal and maxVal
val = CLAMP(val, JOYBOX_MIN, JOYBOX_MAX)
self.aList[chan] = 2.0*((val - JOYBOX_MIN)/JOYBOX_RANGE) - 1
# Update buttons
for i in range(len(self.buttons)):
try:
self.bList[i] = self.buttons.getButtonState(i)
except IndexError:
# That channel may not have been updated yet
self.bList[i] = 0
def acceptSwitchModeEvent(self, button = R_UPPER):
self.accept(self.getEventName(button), self.switchMode)
def ignoreSwitchModeEvent(self, button = R_UPPER):
self.ignore(self.getEventName(button))
def switchMode(self):
try:
# Get current mode
self.modeFunc = self.modeList[0]
# Rotate mode list
self.modeList = self.modeList[1:] + self.modeList[:1]
# Call new mode
self.modeFunc()
except IndexError:
pass
def showMode(self, modeText):
def hideText(state, s = self):
s.readout.setText('')
return Task.done
taskMgr.remove(self.name + '-showMode')
# Update display
self.readout.setText(modeText)
t = taskMgr.doMethodLater(3.0, hideText, self.name + '-showMode')
t.setUponDeath(hideText)
def acceptUprightCameraEvent(self, button = L_UPPER):
self.accept(self.getEventName(button),
base.direct.cameraControl.orbitUprightCam)
def ignoreUprightCameraEvent(self, button = L_UPPER):
self.ignore(self.getEventName(button))
def setMode(self, func, name):
self.disable()
self.updateFunc = func
self.modeName = name
self.showMode(self.modeName)
self.enable()
def setUseHeadingNP(self,enabled):
self.useHeadingNP = enabled
def setRotateInPlace(self,enabled):
self.rotateInPlace = enabled
def joyboxFly(self):
# Do nothing if no nodePath selected
if self.nodePath == None:
return
hprScale = ((self.aList[L_SLIDE] + 1.0) *
50.0 * DirectJoybox.hprMultiplier)
posScale = ((self.aList[R_SLIDE] + 1.0) *
50.0 * DirectJoybox.xyzMultiplier)
def getAxisVal(index, s = self):
try:
return s.aList[s.mapping[index]]
except IndexError:
# If it is a null axis return 0
return 0.0
x = getAxisVal(0) * self.modifier[0]
y = getAxisVal(1) * self.modifier[1]
z = getAxisVal(2) * self.modifier[2]
pos = Vec3(x, y, z) * (posScale * self.deltaTime)
h = getAxisVal(3) * self.modifier[3]
p = getAxisVal(4) * self.modifier[4]
r = getAxisVal(5) * self.modifier[5]
hpr = Vec3(h, p, r) * (hprScale * self.deltaTime)
# if we are using a heading nodepath, we want
# to drive in the direction we are facing,
# however, we don't want the z component to change
if (self.useHeadingNP and self.headingNP != None):
oldZ = pos.getZ()
pos = self.nodePath.getRelativeVector(self.headingNP,
pos)
pos.setZ(oldZ)
# if we are using a heading NP we might want to rotate
# in place around that NP
if (self.rotateInPlace):
parent = self.nodePath.getParent()
self.floatingNP.reparentTo(parent)
self.floatingNP.setPos(self.headingNP,0,0,0)
self.floatingNP.setHpr(0,0,0)
self.nodePath.wrtReparentTo(self.floatingNP)
self.floatingNP.setHpr(hpr)
self.nodePath.wrtReparentTo(parent)
hpr = Vec3(0,0,0)
self.nodePath.setPosHpr(self.nodePath, pos, hpr)
def joeMode(self):
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, L_FWD_BACK,
R_TWIST, L_TWIST, NULL_AXIS]
self.modifier = [1, 1, 1, -1, -1, 0]
self.setMode(self.joyboxFly, 'Joe Mode')
def basicMode(self):
self.mapping = [NULL_AXIS, R_FWD_BACK, NULL_AXIS,
R_LEFT_RIGHT, NULL_AXIS, NULL_AXIS]
self.modifier = [0,1,0,-1,0,0]
self.setMode(self.joyboxFly,'Basic Mode')
def fpsMode(self):
self.mapping = [L_LEFT_RIGHT,R_FWD_BACK,L_FWD_BACK,
R_LEFT_RIGHT, NULL_AXIS, NULL_AXIS]
self.modifier = [1,1,1,-1,0,0]
self.setMode(self.joyboxFly,'FPS Mode')
def tankMode(self):
self.setMode(self.tankFly,'Tank Mode')
def nullMode(self):
self.setMode(self.nullFly,'Null Mode')
def lucMode(self):
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, L_FWD_BACK,
R_TWIST, L_TWIST, L_LEFT_RIGHT]
self.modifier = [1, 1, 1, -1, -1, 0]
self.setMode(self.joyboxFly, 'Luc Mode')
def driveMode(self):
self.mapping = [L_LEFT_RIGHT, R_FWD_BACK, R_TWIST,
R_LEFT_RIGHT, L_FWD_BACK, NULL_AXIS]
self.modifier = [1, 1, -1, -1, -1, 0]
self.setMode(self.joyboxFly, 'Drive Mode')
def lookAtMode(self):
self.mapping = [R_LEFT_RIGHT, R_TWIST, R_FWD_BACK,
L_LEFT_RIGHT, L_FWD_BACK, NULL_AXIS]
self.modifier = [1, 1, 1, -1, 1, 0]
self.setMode(self.joyboxFly, 'Look At Mode')
def lookAroundMode(self):
self.mapping = [NULL_AXIS, NULL_AXIS, NULL_AXIS,
R_LEFT_RIGHT, R_FWD_BACK, NULL_AXIS]
self.modifier = [0, 0, 0, -1, -1, 0]
self.setMode(self.joyboxFly, 'Lookaround Mode')
def demoMode(self):
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, L_FWD_BACK,
R_TWIST, NULL_AXIS, NULL_AXIS]
self.modifier = [1, 1, 1, -1, 0, 0]
self.setMode(self.joyboxFly, 'Demo Mode')
def hprXyzMode(self):
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, R_TWIST,
L_TWIST, L_FWD_BACK, L_LEFT_RIGHT]
self.modifier = [1, 1, -1, -1, -1, 1]
self.setMode(self.joyboxFly, 'HprXyz Mode')
def mopathMode(self):
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, R_TWIST,
L_LEFT_RIGHT, L_FWD_BACK, L_LEFT_RIGHT]
self.modifier = [1, 1, -1, -1, 1, 0]
self.setMode(self.joyboxFly, 'Mopath Mode')
def walkthruMode(self):
self.mapping = [R_LEFT_RIGHT, R_FWD_BACK, L_TWIST,
R_TWIST, L_FWD_BACK, L_LEFT_RIGHT]
self.modifier = [1, 1, -1, -1, -1, 1]
self.setMode(self.joyboxFly, 'Walkthru Mode')
def spaceMode(self):
self.setMode(self.spaceFly, 'Space Mode')
def nullFly(self):
return
def tankFly(self):
leftTreadSpeed = (self.normalizeChannel(L_SLIDE,.1,100) *
DirectJoybox.xyzMultiplier) * self.aList[L_FWD_BACK]
rightTreadSpeed = (self.normalizeChannel(R_SLIDE,.1,100) *
DirectJoybox.xyzMultiplier) * self.aList[R_FWD_BACK]
forwardSpeed = (leftTreadSpeed + rightTreadSpeed)*.5
headingSpeed = math.atan2(leftTreadSpeed - rightTreadSpeed,
JOYBOX_TREAD_SEPERATION)
headingSpeed = 180/3.14159 * headingSpeed
dh = -1.0*headingSpeed * self.deltaTime*.3
dy = forwardSpeed * self.deltaTime
self.nodePath.setH(self.nodePath,dh)
self.nodePath.setY(self.nodePath,dy)
def spaceFly(self):
# Do nothing if no nodePath selected
if self.nodePath == None:
return
hprScale = (self.normalizeChannel(L_SLIDE, 0.1, 100) *
DirectJoybox.hprMultiplier)
posScale = (self.normalizeChannel(R_SLIDE, 0.1, 100) *
DirectJoybox.xyzMultiplier)
dr = -1 * hprScale * self.aList[R_TWIST] * self.deltaTime
dp = -1 * hprScale * self.aList[R_FWD_BACK] * self.deltaTime
dh = -1 * hprScale * self.aList[R_LEFT_RIGHT] * self.deltaTime
self.nodePath.setHpr(self.nodePath, dh, dp, dr)
dy = posScale * self.aList[L_FWD_BACK] * self.deltaTime
self.nodePath.setY(self.nodePath, dy)
def planetMode(self, auxData = []):
self.auxData = auxData
self.setMode(self.planetFly, 'Space Mode')
def planetFly(self):
# Do nothing if no nodePath selected
if self.nodePath == None:
return
hprScale = (self.normalizeChannel(L_SLIDE, 0.1, 100) *
DirectJoybox.hprMultiplier)
posScale = (self.normalizeChannel(R_SLIDE, 0.1, 100) *
DirectJoybox.xyzMultiplier)
dr = -1 * hprScale * self.aList[R_TWIST] * self.deltaTime
dp = -1 * hprScale * self.aList[R_FWD_BACK] * self.deltaTime
dh = -1 * hprScale * self.aList[R_LEFT_RIGHT] * self.deltaTime
self.nodePath.setHpr(self.nodePath, dh, dp, dr)
dy = posScale * self.aList[L_FWD_BACK] * self.deltaTime
dPos = VBase3(0, dy, 0)
for planet, radius in self.auxData:
# Are we within min radius?
# How far above planet are we?
np2planet = Vec3(self.nodePath.getPos(planet))
# Compute dist
offsetDist = np2planet.length()
# Above threshold, leave velocity vec as is
if offsetDist > (1.2 * radius):
pass
else:
# Getting close, slow things down
# Compute normal vector through node Path
oNorm = Vec3()
oNorm.assign(np2planet)
oNorm.normalize()
# Xform fly vec to planet space
dPlanet = self.nodePath.getMat(planet).xformVec(Vec3(0, dy, 0))
# Compute radial component of fly vec
dotProd = oNorm.dot(dPlanet)
if dotProd < 0:
# Trying to fly below radius, compute radial component
radialComponent = oNorm * dotProd
# How far above?
above = offsetDist - radius
# Set sf accordingly
sf = max(1.0 - (max(above, 0.0)/(0.2 * radius)), 0.0)
# Subtract scaled radial component
dPlanet -= radialComponent * (sf * sf)
#dPlanet -= radialComponent
# Convert back to node path space
dPos.assign(planet.getMat(self.nodePath).xformVec(dPlanet))
# Set pos accordingly
self.nodePath.setPos(self.nodePath, dPos)
def orbitMode(self):
self.setMode(self.orbitFly, 'Orbit Mode')
def orbitFly(self):
# Do nothing if no nodePath selected
if self.nodePath == None:
return
hprScale = (self.normalizeChannel(L_SLIDE, 0.1, 100) *
DirectJoybox.hprMultiplier)
posScale = (self.normalizeChannel(R_SLIDE, 0.1, 100) *
DirectJoybox.xyzMultiplier)
r = -0.01 * posScale * self.aList[R_TWIST] * self.deltaTime
rx = hprScale * self.aList[R_LEFT_RIGHT] * self.deltaTime
ry = -hprScale * self.aList[R_FWD_BACK] * self.deltaTime
x = posScale * self.aList[L_LEFT_RIGHT] * self.deltaTime
z = posScale * self.aList[L_FWD_BACK] * self.deltaTime
h = -1 * hprScale * self.aList[L_TWIST] * self.deltaTime
# Move dcs
self.nodePath.setX(self.nodePath, x)
self.nodePath.setZ(self.nodePath, z)
self.nodePath.setH(self.nodePath, h)
self.orbitNode(rx, ry, 0)
pos = self.nodePath.getPos(self.refCS)
if Vec3(pos).length() < 0.005:
pos.set(0, -0.01, 0)
# Now move on out
pos.assign(pos * (1 + r))
self.nodePath.setPos(self.refCS, pos)
def orbitNode(self, h, p, r):
# Position the temp node path at the ref CS
self.tempCS.setPos(self.refCS, 0, 0, 0)
# Orient the temp node path to align with the orbiting node path
self.tempCS.setHpr(self.nodePath, 0, 0, 0)
# Record the position of the orbiter wrt the helper
pos = self.nodePath.getPos(self.tempCS)
# Turn the temp node path
self.tempCS.setHpr(self.tempCS, h, p, r)
# Position the orbiter "back" to its position wrt the helper
self.nodePath.setPos(self.tempCS, pos)
# Restore the original hpr of the orbiter
self.nodePath.setHpr(self.tempCS, 0, 0, 0)
# We need to override the DirectAnalog normalizeChannel to
# correct the ranges of the two twist axes of the joybox.
def normalizeChannel(self, chan, minVal = -1, maxVal = 1):
try:
if (chan == L_TWIST) or (chan == R_TWIST):
# These channels have reduced range
return self.analogs.normalize(
self.analogs.getControlState(chan), minVal, maxVal, 3.0)
else:
return self.analogs.normalize(
self.analogs.getControlState(chan), minVal, maxVal)
except IndexError:
return 0.0