mixco.transform

exports.identity          = (v)       -> v
exports.identity.inverse  = exports.identity
exports.momentary         = (v)       -> if v > 0 then 1 else 0
exports.momentary.inverse = (v)       -> if v > 0 then 1 else 0
exports.binary            = (v, oldv) -> if v > 0 then not oldv else null
exports.binary.inverse    = (v)       -> if v > 0 then 1 else 0
exports.linear            = (v, min, max) -> min + v * (max - min)
exports.linear.inverse    = (v, min, max) -> (v - min) / (max - min)
exports.centered          = (v, min, center, max) ->
    if v < .5
    then linear v*2, min, center
    else linear (v-.5)*2, center, max
exports.centered.inverse  = (v, min, center, max) ->
    if v < center
    then 0.5 * linear.inverse v, min, center
    else 0.5 + 0.5 * linear.inverse v, center, max

exports.transform  = (f, args...) ->
    result         = (ev, oldv) -> f ev.value / 127.0, args..., oldv
    result.inverse = (v)        -> 127 * f.inverse(v, args...)
    result

exports.transformI = (f, args...) ->
    result         = (ev, oldv) -> f ev.value, args..., oldv
    result.inverse = (v)        -> f.inverse(v, args...)
    result

exports.transformB = (f, args...) ->
    result         = (ev, oldv) -> f ev.pressed / 127.0, args..., oldv
    result.inverse = (v)       -> 127 * f.inverse(v, args...)
    result

exports.identityT  = identityT  = exports.transformI exports.identity
exports.momentaryT = momentaryT = exports.transformB exports.momentary
exports.binaryT    = binaryT    = exports.transformB exports.binary
exports.linearT    = linearT    = -> exports.transform exports.linear, arguments...
exports.centeredT  = centeredT  = -> exports.transform exports.centered, arguments...
exports.defaultT   = defaultT   = linearT 0.0, 1.0

exports.mappings =
    "beatloop_0.0625_activate":     momentaryT
    "beatloop_0.0625_toggle":       momentaryT
    "beatloop_0.125_activate":      momentaryT
    "beatloop_0.125_toggle":        momentaryT
    "beatloop_0.5_activate":        momentaryT
    "beatloop_0.5_toggle":          momentaryT
    "beatlooproll_0.0625_activate": momentaryT
    "beatlooproll_0.125_activate":  momentaryT
    "beatlooproll_0.5_activate":    momentaryT
    back:                           momentaryT
    balance:                        linearT -1.0, 1.0
    beatloop_16_activate:           momentaryT
    beatloop_16_toggle:             momentaryT
    beatloop_1_activate:            momentaryT
    beatloop_1_toggle:              momentaryT
    beatloop_2_activate:            momentaryT
    beatloop_2_toggle:              momentaryT
    beatloop_32_activate:           momentaryT
    beatloop_32_toggle:             momentaryT
    beatloop_4_activate:            momentaryT
    beatloop_4_toggle:              momentaryT
    beatloop_8_activate:            momentaryT
    beatloop_8_toggle:              momentaryT
    beatlooproll_16_activate:       momentaryT
    beatlooproll_1_activate:        momentaryT
    beatlooproll_2_activate:        momentaryT
    beatlooproll_32_activate:       momentaryT
    beatlooproll_4_activate:        momentaryT
    beatlooproll_8_activate:        momentaryT
    beatloop_double:                momentaryT
    beatloop_halve:                 momentaryT
    beatjump_4_forward:             momentaryT
    beatjump_4_backward:            momentaryT
    beatjump_1_forward:             momentaryT
    beatjump_1_backward:            momentaryT
    beats_translate_curpos:         momentaryT
    beatsync:                       momentaryT
    beatsync_tempo:                 momentaryT
    crossfader:                     linearT -1.0, 1.0
    cue_default:                    momentaryT
    eject:                          momentaryT
    enabled:                        binaryT
    filterHigh:                     centeredT 0.0, 1.0, 4.0
    filterHighKill:                 binaryT
    filterLow:                      centeredT 0.0, 1.0, 4.0
    filterLowKill:                  binaryT
    filterMid:                      centeredT 0.0, 1.0, 4.0
    filterMidKill:                  binaryT
    fwd:                            momentaryT
    headMix:                        centeredT -1.0, 1.0
    headVolume:                     centeredT 0.0, 1.0, 5.0
    hotcue_1_activate:              momentaryT
    hotcue_1_clear:                 momentaryT
    hotcue_2_activate:              momentaryT
    hotcue_2_clear:                 momentaryT
    hotcue_3_activate:              momentaryT
    hotcue_3_clear:                 momentaryT
    hotcue_4_activate:              momentaryT
    hotcue_4_clear:                 momentaryT
    hotcue_5_activate:              momentaryT
    hotcue_5_clear:                 momentaryT
    hotcue_6_activate:              momentaryT
    hotcue_6_clear:                 momentaryT
    hotcue_7_activate:              momentaryT
    hotcue_7_clear:                 momentaryT
    jog:                            identityT
    keylock:                        binaryT
    lfoDelay:                       linearT 50.0, 10000.0
    lfoDepth:                       defaultT
    lfoPeriod:                      linearT 50000.0, 2000000.0
    LoadSelectedTrack:              momentaryT
    loop_double:                    momentaryT
    loop_enabled:                   binaryT
    loop_end_position:              linearT
    loop_halve:                     momentaryT
    loop_in:                        momentaryT
    loop_out:                       momentaryT
    loop_start_position:            linearT
    play:                           binaryT
    playposition:                   linearT 0.0, 1.0
    plf:                            binaryT
    pregain:                        centeredT 0.0, 1.0, 4.0
    pregain_toggle:                 binaryT
    rate:                           linearT -1.0, 1.0
    rate_temp_down:                 momentaryT
    rate_temp_down_small:           momentaryT
    rate_temp_up:                   momentaryT
    rate_temp_up_small:             momentaryT
    reverse:                        binaryT
    scratch2:                       linearT -3.0, 3.0
    scratch2_enable:                binaryT
    SelectNextPlaylist:             momentaryT
    SelectNextTrack:                momentaryT
    SelectPrevPlaylist:             momentaryT
    SelectPrevTrack:                momentaryT
    SelectTrackKnob:                identityT
    slip_enabled:                   binaryT
    super1:                         linearT 0.0, 10.0
    talkover:                       binaryT
    ToggleSelectedSidebarItem:      momentaryT
    volume:                         defaultT
    VuMeter:                        defaultT
    VuMeterL:                       defaultT
    VuMeterR:                       defaultT
    wheel:                          linearT -3.0, 3.0