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EvilTwin.lua
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EvilTwin.lua
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-- GLOBALS: app, os, verboseLevel, connect, tie
local app = app
local Class = require "Base.Class"
local Unit = require "Unit"
local Pitch = require "Unit.ViewControl.Pitch"
local GainBias = require "Unit.ViewControl.GainBias"
local Fader = require "Unit.ViewControl.Fader"
local Gate = require "Unit.ViewControl.Gate"
local Encoder = require "Encoder"
local ply = app.SECTION_PLY
local EvilTwin = Class{}
EvilTwin:include(Unit)
function EvilTwin:init(args)
args.title = "Evil Twin"
args.mnemonic = "ET"
Unit.init(self,args)
end
function EvilTwin:onLoadGraph(channelCount)
if channelCount==2 then
self:loadStereoGraph()
else
self:loadMonoGraph()
end
end
function EvilTwin:loadMonoGraph()
-- Objects
local main = self:createObject("SineOscillator","main")
local mod = self:createObject("SineOscillator","mod")
local sync = self:createObject("Comparator","sync")
local fbMain = self:createObject("GainBias","fbMain")
local fbMainRange = self:createObject("MinMax","fbMainRange")
local fbMod = self:createObject("GainBias","fbMod")
local fbModRange = self:createObject("MinMax","fbModRange")
local tune = self:createObject("ConstantOffset","tune")
local tuneRange = self:createObject("MinMax","tuneRange")
local f0 = self:createObject("GainBias","f0")
local f0Range = self:createObject("MinMax","f0Range")
local f0OffsetM = self:createObject("GainBias","f0OffsetM")
local f0OffsetMRange = self:createObject("MinMax","f0OffsetMRange")
local f0OffsetC = self:createObject("GainBias","f0OffsetC")
local f0OffsetCRange = self:createObject("MinMax","f0OffsetCRange")
local f0OffsetMMixer = self:createObject("Sum","f0OffsetMMixer")
local f0OffsetCMixer = self:createObject("Sum","f0OffsetCMixer")
local fmMixer = self:createObject("Sum","fmMixer")
local fmVCA = self:createObject("Multiply","fmVCA")
local fmIndex = self:createObject("GainBias","fmIndex")
local fmIndexRange = self:createObject("MinMax","fmIndexRange")
local fmGain = self:createObject("Multiply","fmGain")
local fmGainConst = self:createObject("ConstantOffset","fmGainConst")
local efmMixer = self:createObject("Sum","efmMixer")
local efmVCA = self:createObject("Multiply","efmVCA")
local efmIndex = self:createObject("GainBias","efmIndex")
local efmIndexRange = self:createObject("MinMax","efmIndexRange")
local efmGain = self:createObject("Multiply","efmGain")
local pmVCA = self:createObject("Multiply","pmVCA")
local pmIndex = self:createObject("GainBias","pmIndex")
local pmIndexRange = self:createObject("MinMax","pmIndexRange")
local modPhaseIndex = self:createObject("GainBias","modPhaseIndex")
local modPhaseIndexRange = self:createObject("MinMax","modPhaseIndexRange")
local amVCA = self:createObject("Multiply","amVCA")
local amAttenuator = self:createObject("Multiply","amAttenuator")
local amMixer = self:createObject("Sum","amMixer")
local amOffset = self:createObject("Sum","amOffset")
local amIndex = self:createObject("GainBias","amIndex")
local amIndexRange = self:createObject("MinMax","amIndexRange")
local one = self:createObject("ConstantOffset","one")
local negOne = self:createObject("ConstantOffset","negOne")
local invertingVCA = self:createObject("Multiply","invertingVCA")
local ratioVCA = self:createObject("Multiply","ratioVCA")
local ratio = self:createObject("GainBias","ratio")
local ratioRange = self:createObject("MinMax","ratioRange")
local mratioVCA = self:createObject("Multiply","mratioVCA")
local mratio = self:createObject("GainBias","mratio")
local mratioRange = self:createObject("MinMax","mratioRange")
local outputLevel = self:createObject("GainBias","outputLevel")
local outputLevelRange = self:createObject("MinMax","outputLevelRange")
local outputVCA = self:createObject("Multiply","outputVCA")
-- Setttings
one:hardSet("Offset",1.0)
negOne:hardSet("Offset",-1.0)
fmGainConst:hardSet("Offset",800.0)
sync:setTriggerMode()
-- Indicators
connect(tune,"Out",tuneRange,"In")
connect(f0,"Out",f0Range,"In")
connect(f0OffsetC,"Out",f0OffsetCRange,"In")
connect(f0OffsetM,"Out",f0OffsetMRange,"In")
connect(fmIndex,"Out",fmIndexRange,"In")
connect(efmIndex,"Out",efmIndexRange,"In")
connect(pmIndex,"Out",pmIndexRange,"In")
connect(amIndex,"Out",amIndexRange,"In")
connect(ratio,"Out",ratioRange,"In")
connect(mratio,"Out",mratioRange,"In")
connect(fbMain,"Out",fbMainRange,"In")
connect(fbMod,"Out",fbModRange,"In")
connect(outputLevel,"Out",outputLevelRange,"In")
connect(modPhaseIndex,"Out",modPhaseIndexRange,"In")
-- Tuning
connect(tune,"Out",efmMixer,"Left")
connect(tune,"Out",mod,"V/Oct")
connect(f0,"Out",mratioVCA,"Left")
connect(f0,"Out",ratioVCA,"Left")
connect(ratio,"Out",ratioVCA,"Right")
connect(ratioVCA,"Out",f0OffsetMMixer,"Left")
connect(f0OffsetM,"Out",f0OffsetMMixer,"Right")
connect(f0OffsetMMixer,"Out",mod,"Fundamental")
connect(mratio,"Out",mratioVCA,"Right")
connect(mratioVCA,"Out",f0OffsetCMixer,"Left")
connect(f0OffsetC,"Out",f0OffsetCMixer,"Right")
--connect(f0OffsetCMixer,"Out",main,"Fundamental")
-- Osc Sync
connect(sync,"Out",main,"Sync")
connect(sync,"Out",mod,"Sync")
-- Linear Frequency Modulation
connect(mod,"Out",fmGain,"Left")
connect(fmGainConst,"Out",fmGain,"Right")
connect(fmGain,"Out",fmVCA,"Left")
connect(fmIndex,"Out",fmVCA,"Right")
connect(fmVCA,"Out",fmMixer,"Right")
connect(f0OffsetCMixer,"Out",fmMixer,"Left")
connect(fmMixer,"Out",main,"Fundamental")
-- Exponential Frequency Modulation
connect(mod,"Out",efmVCA,"Left")
connect(efmIndex,"Out",efmVCA,"Right")
connect(efmVCA,"Out",efmMixer,"Right")
connect(efmMixer,"Out",main,"V/Oct")
-- Phase Modulation
connect(mod,"Out",pmVCA,"Left")
connect(pmIndex,"Out",pmVCA,"Right")
connect(pmVCA,"Out",main,"Phase")
-- Modulalator phase modulation
connect(modPhaseIndex,"Out",mod,"Phase")
-- Phase Feedback
connect(fbMain,"Out",main,"Feedback")
connect(fbMod,"Out",mod,"Feedback")
-- Amplitude Modulation
-- main out to AM circuit
connect(main,"Out",amVCA,"Left")
connect(mod,"Out",amAttenuator,"Left")
connect(amIndex,"Out",amAttenuator,"Right")
connect(amIndex,"Out",invertingVCA,"Left")
connect(negOne,"Out",invertingVCA,"Right")
connect(invertingVCA,"Out",amMixer,"Left")
connect(one,"Out",amMixer,"Right")
connect(amMixer,"Out",amVCA,"Right")
connect(amMixer,"Out",amOffset,"Left")
connect(amAttenuator,"Out",amOffset,"Right")
connect(amOffset,"Out",amVCA,"Right")
-- Output
connect(amVCA,"Out",outputVCA,"Left")
connect(outputLevel,"Out",outputVCA,"Right")
connect(outputVCA,"Out",self,"Out1")
-- Export control chains
self:createMonoBranch("fm",fmIndex,"In",fmIndex,"Out")
self:createMonoBranch("efm",efmIndex,"In",efmIndexRange,"Out")
self:createMonoBranch("am",amIndex,"In",amIndex,"Out")
self:createMonoBranch("pm",pmIndex,"In",pmIndex,"Out")
self:createMonoBranch("modPhase",modPhaseIndex,"In",modPhaseIndex,"Out")
self:createMonoBranch("ratio",ratio,"In",ratio,"Out")
self:createMonoBranch("mratio",mratio,"In",mratio,"Out")
self:createMonoBranch("fbMain",fbMain,"In",fbMain,"Out")
self:createMonoBranch("fbMod",fbMod,"In",fbMod,"Out")
self:createMonoBranch("f0",f0,"In",f0,"Out")
self:createMonoBranch("offsetC",f0OffsetC,"In",f0OffsetC,"Out")
self:createMonoBranch("offsetM",f0OffsetM,"In",f0OffsetM,"Out")
self:createMonoBranch("tune",tune,"In",tune,"Out")
self:createMonoBranch("level",outputLevel,"In",outputLevel,"Out")
self:createMonoBranch("sync",sync,"In",sync,"Out")
end
function EvilTwin:loadStereoGraph()
self:loadMonoGraph()
connect(self.objects.outputVCA,"Out",self,"Out2")
end
local views = {
expanded = {"tune","f0","mratio","offsetC","ratio","offsetM","fm","efm","am","pm","fbMain","fbMod","modPhase","sync","level"},
collapsed = {},
}
local function linMap(min,max,superCoarse,coarse,fine,superFine)
local map = app.LinearDialMap(min,max)
map:setSteps(superCoarse,coarse,fine,superFine)
return map
end
local indexMap = linMap(-1.0,1,0.1,0.01,0.001,0.00001)
local amMap = linMap(0,1,0.1,0.01,0.001,0.00001)
local ratioMap = linMap(0.0,24.0,1.0,1.0,0.1,0.01)
local offsetMap = linMap(-1000.0,1000.0,100.0,1.0,0.01,0.001)
function EvilTwin:onLoadViews(objects,branches)
local controls = {}
controls.ratio = GainBias {
button = "M-ratio",
description = "Modulator Ratio",
branch = branches.ratio,
gainbias = objects.ratio,
range = objects.ratioRange,
biasMap = ratioMap,
initialBias = 1.0,
}
controls.offsetC = GainBias {
button = "C-offset",
description = "Carr freq offset",
branch = branches.offsetC,
gainbias = objects.f0OffsetC,
range = objects.f0OffsetCRange,
biasMap = offsetMap,
biasUnits = app.unitHertz,
initialBias = 0.0,
}
controls.offsetM = GainBias {
button = "M-offset",
description = "Mod freq offset",
branch = branches.offsetM,
gainbias = objects.f0OffsetM,
range = objects.f0OffsetMRange,
biasMap = offsetMap,
biasUnits = app.unitHertz,
initialBias = 0.0,
}
controls.mratio = GainBias {
button = "C-ratio",
description = "Carrier Ratio",
branch = branches.mratio,
gainbias = objects.mratio,
range = objects.mratioRange,
biasMap = ratioMap,
initialBias = 1.0,
}
controls.sync = Gate {
button = "M-sync",
description = "Sync main osc",
branch = branches.sync,
comparator = objects.sync,
}
controls.fbMain = GainBias {
button = "C-fdbk",
description = "Carr osc phase fb",
branch = branches.fbMain,
gainbias = objects.fbMain,
range = objects.fbMainRange,
biasMap = indexMap,
initialBias = 0.0,
}
controls.fbMod = GainBias {
button = "M-fdbk",
description = "Mod osc phase fb",
branch = branches.fbMod,
gainbias = objects.fbMod,
range = objects.fbModRange,
biasMap = indexMap,
initialBias = 0.0,
}
controls.tune = Pitch {
button = "V/oct",
branch = branches.tune,
description = "V/oct",
offset = objects.tune,
range = objects.tuneRange
}
controls.f0 = GainBias {
button = "f0",
description = "Fundamental",
branch = branches.f0,
gainbias = objects.f0,
range = objects.f0Range,
biasMap = Encoder.getMap("oscFreq"),
biasUnits = app.unitHertz,
initialBias = 32.7,
gainMap = Encoder.getMap("freqGain"),
scaling = app.octaveScaling
}
controls.fm = GainBias {
button = "tzfm",
description = "TZFM Index",
branch = branches.fm,
gainbias = objects.fmIndex,
range = objects.fmIndexRange,
biasMap = indexMap,
initialBias = 0.0,
}
controls.efm = GainBias {
button = "expfm",
description = "Exp FM Index",
branch = branches.efm,
gainbias = objects.efmIndex,
range = objects.efmIndexRange,
biasMap = indexMap,
initialBias = 0.0,
}
controls.modPhase = GainBias {
button = "M-phase",
description = "Modulator Phase",
branch = branches.modPhase,
gainbias = objects.modPhaseIndex,
range = objects.modPhaseIndexRange,
biasMap = indexMap,
initialBias = 0.0,
}
controls.pm = GainBias {
button = "pm",
description = "PM Index",
branch = branches.pm,
gainbias = objects.pmIndex,
range = objects.pmIndexRange,
biasMap = indexMap,
initialBias = 0.0,
}
controls.am = GainBias {
button = "am",
description = "AM Index",
branch = branches.am,
gainbias = objects.amIndex,
range = objects.amIndexRange,
biasMap = amMap,
initialBias = 0.0,
}
controls.level = GainBias {
button = "level",
description = "Output level",
branch = branches.level,
gainbias = objects.outputLevel,
range = objects.outputLevelRange,
biasMap = indexMap,
initialBias = 0.5,
}
return controls, views
end
return EvilTwin