// ION iED05 USB Drum Kit MIDI Mapper - Free your USB drums!
// Jaywat@hotmail.com
// http://www.wibwobweb.com/ied05midi

// This is a script to translate the game control signals from the
// ION iED05 USB Drum Kit to general midi percussion
// I'm sure it could be improved, so feel free!
// Specifically, the velocities might be tweakable, but my math sucks!


// MIDI setup
// device 3 should equal Midi In Port 2 - make sure your application is using the same port or edit it here!
midi.DeviceOut = 3
debug = midi.OutDevName
midi.GeneralMidi = true
midi.DefaultChannel = 10 // MIDI percussion channel
// Midi.Channel10.volume = 100% // you might not want to override your software. If you do, uncomment this!

var.senseThreshold = -1.00 // range of velocity is -1 to 1
// you can change this to change global sensitivity if you experience any problems due to lack of calibration

// you can edit these variables to tweak the velocities of the various drums,
// since it's pretty darned hard to calibrate the drum kit as a game controller.
// For example, my Snare plays too loud with a gentle tap, so I've offset it by a negative amount
var.RedDrumOffset = 0
var.YellowDrumOffset = -3000
var.GreenDrumOffset = 0
var.BlueDrumOffset = 0
var.PurpleDrumOffset = -2000
var.BronzeDrumOffset = -3000

var.WaitTime = 100 ms // waits are important. if you don't add them, GlovePIE polls so fast it sends multiple signals
// if you are a far better drummer than me and you're experiencing drops in your drum hits, try lowering this number 

 
// BUTTON 1 - RED DRUM (Closed HiHat)
// joystick.x controls button 1 velocity
// yes, we could refer to it as midi.ClosedHiHat, e.g. midi.ClosedHiHat = Joystick1.Button1, but then you can't specify velocities,
// which is why we're referring to the notes that the drums are mapped to and explicitly setting it to the percussion channel

if Joystick1.x > var.senseThreshold then
var.RedDrum = MapEnsureRange(Smooth(Joystick1.x, 5), -1,1, 5,100) * 10 + var.RedDrumOffset%
wait var.WaitTime  
else
var.RedDrum = false
endif


// BUTTON 2 - YELLOW DRUM (Snare)
// joystick.y controls button 2 velocity
// equivalent to midi.AcousticSnare

if Joystick1.y > var.senseThreshold then
var.YellowDrum = MapEnsureRange(Smooth(Joystick1.y, 5), -1, 1, 5,100) * 10 + var.YellowDrumOffset%
wait var.WaitTime
else
var.YellowDrum = false
endif

// BUTTON 3 - GREEN DRUM - (High Tom)
// joystick.slider controls button 3 velocity
// equivalent to midi.HighTom
if Joystick1.slider > var.senseThreshold then
var.GreenDrum = MapEnsureRange(Smooth(Joystick1.slider, 5), -1, 1, 5,100) * 10 + var.GreenDrumOffset%
wait var.WaitTime
else
var.GreenDrum = false
endif


// BUTTON 4 - BLUE DRUM (High Mid Tom)
// joystick.roll controls button 4 velocity
// equivalent to midi.HighMidTom
if Joystick1.roll > var.senseThreshold then
var.BlueDrum = MapEnsureRange(Smooth(Joystick1.roll, 5), -1, 1, 5,100 ) * 10 + var.BlueDrumOffset%
wait var.WaitTime
else
var.BlueDrum = false
endif


// BUTTON 5 - PURPLE DRUM (Cymbal)
// joystick1.yaw controls button 5 velocity
// equivalent to midi.CrashCymbal1
if Joystick1.yaw > var.senseThreshold then
var.PurpleDrum = MapEnsureRange(Smooth(Joystick1.yaw, 5), -1, 1, 5,100 ) * 10 + var.PurpleDrumOffset%
wait var.WaitTime
else
var.PurpleDrum = false
endif


// BUTTON 6 - BRONZE DRUM (Low Tom)
// joystick1.pitch controls button 6 velocity
// equivalent to midi.LowTom
if Joystick1.pitch > var.senseThreshold then
var.BronzeDrum = MapEnsureRange(Smooth(Joystick1.pitch, 5), -1, 1, 5,100 ) * 10 + var.BronzeDrumOffset%
wait var.WaitTime
else
var.BronzeDrum = false
endif


// Button 7 is the cymbal (Purple Drum) rim mute button ...
// but I can't find a way to mute it. ie, this bit doesn't work. Boo!
// But potentially, you could make the rim switch do something else here!
if Joystick1.Button7 then
var.PurpleDrum = 0
midi.CSharp4 = false
endif


// BUTTON 9 - RIGHT PEDAL (Bass Drum)
// equivalent to midi.BassDrum1
// not really necessary to do this since it doesn't have velocity,
// but for the sake of modularity and readability...
if Joystick1.button9 then
var.RightPedal = 100%
wait var.WaitTime
else
var.RightPedal = false
endif

  
// BUTTON 10 - LEFT PEDAL (Open HiHat)
// equivalent to midi.OpenHiHat
if Joystick1.button10 then
var.LeftPedal = 100%
wait var.WaitTime
else
var.LeftPedal = false
endif


// note, you can’t set those Midi values inside the IF
// because IF statements in GlovePIE cause it to send the midi message
// again even if it hasn’t changed, whereas outside IF statements it
// only sends a MIDI message if it has changed.

// Potentially you could remap the notes to change drums/kits, but these should work for most GM Percussion
// and you'd be advised to set up a midi drum map of your own to match these notes instead
midi.FSharp3Velocity = var.RedDrum%
midi.E3Velocity = var.YellowDrum%
midi.C4Velocity = var.GreenDrum%
midi.A3Velocity = var.BlueDrum%
midi.F3Velocity = var.BronzeDrum%
midi.CSharp4Velocity = var.PurpleDrum%
midi.ASharp3Velocity = var.LeftPedal  // we can refer to them explicitly  as percussion
midi.C3Velocity = var.RightPedal // if we don't care about setting velocity


// debug = 'Red: ' + var.reddrum + ', Yellow: ' + var.yellowdrum + ', Green: ' + var.greendrum + ', Blue: ' + var.bluedrum + ', Bronze: ' + var.bronzedrum + ', Purple: ' + var.purpledrum + ', Left Pedal: ' + var.LeftPedal + ', Right Pedal: ' + var.RightPedal
// outputtofile('Red: ' + var.reddrum + ', Yellow: ' + var.yellowdrum + ', Green: ' + var.greendrum + ', Blue: ' + var.bluedrum + ', Bronze: ' + var.bronzedrum + ', Purple: ' + var.purpledrum + ', Left Pedal: ' + var.LeftPedal + ', Right Pedal: ' + var.RightPedal)