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(semi)automatically create a polyphonic keyboard playable setup from any SynthDef that has an envelope with a \gate argument Signed-off-by: Stefan Nussbaumer <st9fan@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| CVCenterKeyboard { | ||
| classvar <all; | ||
| var <synthDefName, <keyboardArg = \freq, <ampArg = \amp, <bendArg; | ||
| var on, off, bend; | ||
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| *new { |synthDefName, keyboardArg, ampArg, bendArg| | ||
| ^super.newCopyArgs(synthDefName, keyboardArg, ampArg, bendArg).init; | ||
| } | ||
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| init { | ||
| synthDefName = synthDefName.asSymbol; | ||
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| all ?? { | ||
| all = (); | ||
| }; | ||
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| all.put(synthDefName, this); | ||
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| if (CVCenter.scv[synthDefName].isNil) { | ||
| CVCenter.scv.put(synthDefName, Array.newClear(128)); | ||
| } { | ||
| Error("Sorry, the given SynthDef name cannot be used.").throw; | ||
| }; | ||
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| MIDIClient.init; | ||
| // doesn't seem to work properly on Ubuntustudio 16 | ||
| // rather do it manually in QJackQtl... | ||
| // MIDIClient.connectAll; | ||
| } | ||
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| // keyboardArg is the arg that will be set through playing the keyboard | ||
| // bendArg will be the arg that's set through the pitch bend wheel | ||
| setUpControls { |widgetsPrefix, tab, server| | ||
| var testSynth, notesEnv; | ||
| var args = []; | ||
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| server ?? { server = Server.default }; | ||
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| /*if (server.serverRunning.not) { | ||
| Error("The server '%' must be running before calling CVCenter:*midiKeyboardGated").throw; | ||
| };*/ | ||
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| tab ?? { tab = synthDefName }; | ||
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| server ?? { server = Server.default }; | ||
| SynthDescLib.at(synthDefName) ?? { | ||
| Error( | ||
| "The synthDefName '%' does not exist".format(synthDefName) | ||
| ).throw; | ||
| }; | ||
|
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| if (SynthDescLib.at(synthDefName).hasGate.not) { | ||
| Error( | ||
| "The given SynthDef does not provide a 'gate' argument and can not be used." | ||
| ).throw; | ||
| }; | ||
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| args = SynthDescLib.at(synthDefName).controlDict.keys.asArray.takeThese({ |it| | ||
| it === keyboardArg or: {it === ampArg or: { it === bendArg or: { it === \gate }}} | ||
| }); | ||
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| server.waitForBoot { | ||
| // SynthDef *should* have an \amp arg, otherwise it will sound for moment | ||
| testSynth = Synth(synthDefName); | ||
| // \gate will be set internally | ||
| testSynth.cvcGui(prefix: widgetsPrefix, excemptArgs: [keyboardArg, \gate], tab: tab); | ||
| testSynth.release; | ||
| } | ||
| } | ||
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| addWidgetActionsForKeyboard { |notesEnvironment, widgetsPrefix, deactivateDefaultActions = true| | ||
| var args = SynthDescLib.at(synthDefName).controlDict.keys.asArray; | ||
| var wdgtName, nameString, namesCVs = []; | ||
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| args.do { |name| | ||
| nameString = name.asString; | ||
| widgetsPrefix.notNil !? { | ||
| nameString = nameString[0].toUpper ++ nameString[1..nameString.size-1]; | ||
| }; | ||
| wdgtName = (widgetsPrefix ++ nameString).asSymbol; | ||
| CVCenter.cvWidgets[wdgtName] !? { | ||
| if (CVCenter.cvWidgets[wdgtName].class == CVWidget2D) { | ||
| if (namesCVs.includes(name).not) { | ||
| namesCVs = namesCVs.add(name).add(CVCenter.at(wdgtName).asArray); | ||
| }; | ||
| #[lo, hi].do { |slot| | ||
| CVCenter.addActionAt(wdgtName, 'keyboard set arg', "{ |cv| | ||
| CVCenter.scv['%'].do { |synth| synth !? { synth.set('%', cv.value) }}; | ||
| }".format(synthDefName, name), slot); | ||
| CVCenter.activateActionAt(wdgtName, \default, deactivateDefaultActions.not, slot); | ||
| } | ||
| } { | ||
| if (namesCVs.includes(name).not) { | ||
| namesCVs = namesCVs.add(name).add(CVCenter.at(wdgtName)); | ||
| }; | ||
| CVCenter.addActionAt(wdgtName, 'keyboard set arg', "{ |cv| | ||
| CVCenter.scv['%'].do { |synth| synth !? { synth.set('%', cv.value) }}; | ||
| }".format(synthDefName, name)); | ||
| CVCenter.activateActionAt(wdgtName, \default, deactivateDefaultActions.not); | ||
| }; | ||
| } | ||
| }; | ||
|
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| on = MIDIFunc.noteOn({ |veloc, num, chan, src| | ||
| var argsValues = [keyboardArg, num.midicps, ampArg, veloc * 0.005] ++ namesCVs.deepCollect(2, _.value); | ||
| CVCenter.scv[synthDefName][num] = Synth(synthDefName, argsValues); | ||
| }); | ||
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| off = MIDIFunc.noteOff({ |veloc, num, chan, src| | ||
| CVCenter.scv[synthDefName][num].release; | ||
| }); | ||
|
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| bend = MIDIFunc.bend({ |bendVal, chan, src| | ||
| "bend: %\n".postf(bendVal); | ||
| }); | ||
|
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| } | ||
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| free { | ||
| on !? { on.free }; | ||
| off !? { off.free }; | ||
| bend !? { bend.free }; | ||
| CVCenter.scv[synthDefName].do(_.release); | ||
| CVCenter.scv.removeAt(synthDefName); | ||
| } | ||
| } |
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