mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-11-01 01:07:54 +00:00
283 lines
9.8 KiB
Python
283 lines
9.8 KiB
Python
"""
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A generic Jam-o-Drum input interface for the Jam-o-Drum that uses the OptiPAC
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for both spinners and pads.
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@author: U{Ben Buchwald <bb2@alumni.cmu.edu>}
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Last Updated: 2/27/2006
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"""
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from direct.showbase.DirectObject import DirectObject
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import string, sys, md5
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from pandac.PandaModules import Filename
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from pandac.PandaModules import WindowProperties
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from pandac.PandaModules import ConfigVariableList
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class JamoDrum(DirectObject):
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"""
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Class representing input from a Jam-o-Drum. To handle Jam-o-Drum input
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accept the Panda messages JOD_SPIN_x and JOD_HIT_x where x is a number between
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0 and 3 for the 4 stations. Spin messages also pass a parameter which is the
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angle spun in degrees. Hit messages also pass a parameter which is the force
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the pad was hit with in the range 0.0-1.0 (will probably be fairly low). With
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or without actual Jam-o-Drum hardware this class will automatically respond
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to the keys (j,k,l),(s,d,f),(w,e,r), and (u,i,o) corresponding to spin left 10
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degrees, hit with full force, and spin right 10 degrees respectively for each
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of the stations. You must call L{poll} periodically to receive input from the
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real Jam-o-Drum hardware.
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"""
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def __init__(self, useJOD=None):
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"""
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@keyword useJOD: connected to actual drumpads and spinners to read from (default: read from config.prc)
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@type useJOD: bool
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"""
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self.configPath = Filename("/c/jamoconfig.txt")
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self.logPath = Filename("/c/jamoconfig.log")
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self.clearConfig()
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self.simulate()
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self.log = sys.stdout
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self.configMissing = 0
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self.hardwareChanged = 0
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if (useJOD==None):
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useJOD = base.config.GetBool("want-jamodrum", True)
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self.useJOD = useJOD
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if (useJOD):
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self.setLog(self.logPath)
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self.devindices = range(1,base.win.getNumInputDevices())
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self.readConfigFile(self.configPath)
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self.prepareDevices()
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props = WindowProperties()
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props.setCursorHidden(1)
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if (sys.platform == "win32"):
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props.setZOrder(WindowProperties.ZTop)
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base.win.requestProperties(props)
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self.setLog(None)
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def setLog(self, fn):
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if (self.log != sys.stdout):
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self.log.close()
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self.log = sys.stdout
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if (fn):
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try:
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self.log = open(fn.toOsSpecific(), "w")
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except:
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self.log = sys.stdout
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def generateMouseDigest(self):
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m = md5.md5()
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for i in range(base.win.getNumInputDevices()):
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m.update(base.win.getInputDeviceName(i))
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m.update("\n")
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return m.hexdigest()
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def reportDevices(self):
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for devindex in self.devindices:
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self.log.write("Encoder Detected: "+base.win.getInputDeviceName(devindex)+"\n")
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def clearConfig(self):
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self.ratio = 8.71
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self.wheelConfigs = [[0,0],[0,0],[0,0],[0,0]]
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self.padConfigs = [[0,0],[0,0],[0,0],[0,0]]
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def getIntVal(self, spec):
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try:
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return int(spec)
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except:
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return -1
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def setWheelConfig(self, station, axis, device):
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if (axis=="x") or (axis=="X"): axis=0
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if (axis=="y") or (axis=="Y"): axis=1
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istation = self.getIntVal(station)
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iaxis = self.getIntVal(axis)
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if (istation < 0) or (istation > 3):
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self.log.write("Wheel Config: Invalid station index "+str(station)+"\n")
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return
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if (iaxis < 0) or (iaxis > 1):
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self.log.write("Wheel Config: Invalid axis index "+str(axis)+"\n")
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return
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self.wheelConfigs[istation] = [iaxis, str(device)]
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def setPadConfig(self, station, button, device):
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istation = self.getIntVal(station)
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ibutton = self.getIntVal(button)
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if (istation < 0) or (istation > 3):
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self.log.write("Pad Config: Invalid station index "+str(station)+"\n")
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return
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if (ibutton < 0) or (ibutton > 2):
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self.log.write("Pad Config: Invalid button index "+str(button)+"\n")
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return
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self.padConfigs[istation] = [ibutton, device]
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def readConfigFile(self, fn):
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digest = self.generateMouseDigest()
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self.clearConfig()
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try:
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file = open(fn.toOsSpecific(),"r")
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lines = file.readlines()
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file.close()
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except:
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self.configMissing = 1
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self.log.write("Could not read "+fn.toOsSpecific()+"\n")
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return
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for line in lines:
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line = line.strip(" \t\r\n")
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if (line=="") or (line[0]=="#"):
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continue
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words = line.split(" ")
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if (words[0]=="wheel"):
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if (len(words)==4):
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self.setWheelConfig(words[1],words[2],words[3])
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else:
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self.log.write("Wheel Config: invalid syntax\n")
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elif (words[0]=="pad"):
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if (len(words)==4):
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self.setPadConfig(words[1],words[2],words[3])
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else:
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self.log.write("Pad Config: invalid syntax\n")
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elif (words[0]=="ratio"):
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try:
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self.ratio = float(words[1])
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except:
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self.log.write("Ratio Config: invalid syntax\n")
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elif (words[0]=="digest"):
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if (len(words)==2):
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if (digest != words[1]):
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self.hardwareChanged = 1
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else:
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self.log.write("Digest: invalid syntax")
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else:
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self.log.write("Unrecognized config directive "+line+"\n")
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def writeConfigFile(self, fn):
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try:
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file = open(fn.toOsSpecific(),"w")
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file.write("ratio "+str(self.ratio)+"\n")
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for i in range(4):
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wheelinfo = self.wheelConfigs[i]
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file.write("wheel "+str(i)+" "+str(wheelinfo[0])+" "+wheelinfo[1]+"\n")
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padinfo = self.padConfigs[i]
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file.write("pad "+str(i)+" "+str(padinfo[0])+" "+padinfo[1]+"\n")
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file.close()
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except:
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self.log.write("Could not write "+fn.toOsSpecific()+"\n")
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def findWheel(self, devaxis, devname):
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for wheelindex in range(4):
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wheelinfo = self.wheelConfigs[wheelindex]
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wheelaxis = wheelinfo[0]
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wheeldevice = wheelinfo[1]
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if (devname == wheeldevice) and (devaxis == wheelaxis):
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return wheelindex
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return -1
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def findPad(self, devbutton, devname):
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for padindex in range(4):
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padinfo = self.padConfigs[padindex]
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padbutton = padinfo[0]
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paddevice = padinfo[1]
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if (devname == paddevice) and (devbutton == padbutton):
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return padindex
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return -1
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def prepareDevices(self):
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"""
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Each axis or button will be associated with a wheel or pad.
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Any axis or button not in the config list will be associated
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with wheel -1 or pad -1.
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"""
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self.polls = []
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for devindex in range(1, base.win.getNumInputDevices()):
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devname = base.win.getInputDeviceName(devindex)
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for devaxis in range(2):
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target = self.findWheel(devaxis, devname)
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self.log.write("Axis "+str(devaxis)+" of "+devname+" controls wheel "+str(target)+"\n")
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self.polls.append([devaxis, devindex, target, 0])
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for devbutton in range(3):
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target = self.findPad(devbutton, devname)
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sig = "mousedev"+str(devindex)+"-mouse"+str(devbutton+1)
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self.log.write("Button "+str(devbutton)+" of "+devname+" controls pad "+str(target)+"\n")
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self.ignore(sig)
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self.accept(sig, self.hit, [target, 1.0])
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def simulate(self,spin=10.0,hit=1.0):
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"""
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Accept keyboard keys to simulate Jam-o-Drum input.
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@keyword spin: degrees to spin for each keystroke (default: 10.0)
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@type spin: float
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@keyword hit: force to hit for each keystroke (default: 1.0)
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@type hit: float
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"""
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self.accept('k',self.hit,[0,hit])
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self.accept('d',self.hit,[1,hit])
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self.accept('e',self.hit,[2,hit])
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self.accept('i',self.hit,[3,hit])
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self.accept('j',self.spin,[0,spin])
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self.accept('l',self.spin,[0,-spin])
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self.accept('s',self.spin,[1,spin])
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self.accept('f',self.spin,[1,-spin])
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self.accept('w',self.spin,[2,-spin])
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self.accept('r',self.spin,[2,spin])
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self.accept('u',self.spin,[3,-spin])
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self.accept('o',self.spin,[3,spin])
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# end simulate
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def poll(self):
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"""
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Call this each frame to poll actual drumpads and spinners for input.
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If input occurs messages will be sent.
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"""
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if (not self.useJOD):
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return
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offsets = [0.0,0.0,0.0,0.0]
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for info in self.polls:
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axis = info[0]
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devindex = info[1]
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wheel = info[2]
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last = info[3]
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if (axis == 0):
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pos = base.win.getPointer(devindex).getX()
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else:
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pos = base.win.getPointer(devindex).getY()
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if (pos != last):
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diff = (pos-last)/self.ratio
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if (wheel < 0):
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offsets[0] += diff
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offsets[1] += diff
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offsets[2] += diff
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offsets[3] += diff
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else:
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offsets[wheel] += diff
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info[3] = pos
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for i in range(4):
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if (offsets[i] != 0.0):
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self.spin(i,offsets[i])
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def spin(self,station,angle):
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"""
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Sends a JOD_SPIN_<station> message
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"""
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sig = "JOD_SPIN_"+str(station)
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messenger.send(sig,[angle])
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def hit(self,station,force):
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"""
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Sends a JOD_HIT_<station> message
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"""
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if (station < 0):
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for station in range(4):
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sig = "JOD_HIT_"+str(station)
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messenger.send(sig,[force])
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else:
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sig = "JOD_HIT_"+str(station)
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messenger.send(sig,[force])
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# end class JamoDrum
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