module.exports = function (context) {
var activatedAt = Date.now()
var unloadState = { lastSuppressId: null, lastSuppressAt: 0 }
var midiPort = MidiPort(context, function (port, lastPort) {
// turn off on switch
lastPort && lastPort.write(turnOffAll)
if (port) {
activatedAt = Date.now()
port.write(turnOffAll)
var values = []
for (var i = 0; i < 8; i++) {
if (i >= 2) {
values.push(i, light(1, 1))
} else {
values.push(i, light(2, 2))
}
values.push(i + 8, light(1, 0))
values.push(i + 16, light(0, 1))
}
port.write(setLed.concat(values, 247))
}
})
var obs = ObservStruct({
port: midiPort
})
// grab the midi for the current port
obs.grabInput = function () {
midiPort.grab()
}
obs.context = context
var project = context.project
var onTrigger = AnyTrigger(project.items)
var knobs = {
3: Observ(0),
4: Observ(0),
5: Observ(0),
6: Observ(0),
7: Observ(0),
8: Observ(0)
}
var params = []
Object.keys(knobs).forEach(function (key) {
var id = 'Launch Control XL > ' + key
params.push(id)
context.paramLookup.put(id, MidiParam(context, id, knobs[key]))
})
var paramState = []
watchKnobs(midiPort.stream, mappings.row1.concat(mappings.row2, mappings.row3), function (id, data) {
var state = paramState[id] = paramState[id] || {}
var index = Math.floor(id / 8)
if (index === 0) {
if (id === 0) {
project.tempo.set(scaleInterpolate(project.tempo() - 60, data, state) + 60)
} else if (id === 1) {
project.swing.set(scaleInterpolate(project.swing() * 128, data, state) / 128)
} else {
knobs[id + 1].set(scaleInterpolate(knobs[id + 1](), data, state))
}
} else {
var item = project.items.get(id % 8)
if (isSetup(item)) {
var setup = item.node
var param = index === 1 ? setup.overrideLowPass : setup.overrideHighPass
var currentValue = getValue(param())
param.set(scaleInterpolate(currentValue * 128, data, state) / 128)
}
}
})
var sliderState = []
watchKnobs(midiPort.stream, mappings.sliders, function (id, data) {
var state = sliderState[id] = sliderState[id] || {}
var item = project.items.get(id)
if (isSetup(item)) {
var setup = item.node
var volume = setup.overrideVolume
var currentPosition = Math.pow(volume(), 1 / Math.E) * 108
var newPosition = scaleInterpolate(currentPosition, data, state)
volume.set(Math.pow(newPosition / 108, Math.E))
}
}, 108)
var selectedId = 0
var buttonBase = computed([project.selected, project.items], function (selected, items) {
var result = []
for (var i = 0; i < 8; i++) {
var item = project.items.get(i)
if (item) {
if (item.path === selected) {
selectedId = i
result.push(light(2, 3))
} else {
result.push(light(0, 1))
}
} else {
result.push(0)
}
}
return result
})
var stopButtonBase = Observ([light(1,0),light(1,0),light(1,0),light(1,0),light(1,0),light(1,0),light(1,0),light(1,0)])
var buttonFlash = FlashArray()
onTrigger(function (index) {
if (index === selectedId) {
buttonFlash.flash(index, light(3, 3), 40)
} else {
buttonFlash.flash(index, light(0, 3), 40)
}
})
var buttons = ObservMidi(midiPort.stream, mappings.trackFocus, ArrayStack([
buttonBase,
buttonFlash
]))
buttons(function (values) {
var result = null
values.forEach(function (val, i) {
if (val) {
result = i
}
})
if (result != null) {
var item = project.items.get(result)
if (item) {
project.selected.set(item.path)
}
}
})
var stopAllButtons = ObservMidi(midiPort.stream, mappings.trackControl, ArrayStack([
stopButtonBase,
buttonFlash
]))
stopAllButtons(function (values) {
var result = null
values.forEach(function (val, i) {
if (val) {
result = i
}
})
if (result != null) {
var item = project.items.get(result)
if (item && item.node) {
if (unloadState.lastSuppressId === result && unloadState.lastSuppressAt > Date.now() - 500) {
unloadState.lastSuppressAt = 0
item.close()
} else {
unloadState.lastSuppressId = result
unloadState.lastSuppressAt = Date.now()
suppressNode(item.node, true)
}
}
}
})
// CONTROL BUTTONS:
var controlButtons = LightStack(midiPort.stream, {
mode: mappings.device
})
controlButtons.mode(function (value) {
if (value || Date.now() - activatedAt > 300) {
midiPort.override.set(false)
var activeItem = findItemByPath(project.items, project.selected())
if (isSetup(activeItem)) {
activeItem.node.grabInput()
} else {
midiPort.previous()
}
}
})
controlButtons.mode.light(light(2, 2))
obs.grabInput = function () {
midiPort.grab()
}
obs.destroy = function () {
midiPort.destroy()
params.forEach(function (id) {
context.paramLookup.delete(id)
})
}
return obs
// scoped
function suppressNode (node, flatten) {
if (node && node.controllers) {
node.controllers.forEach(function (controller) {
if (controller.looper) {
var release = controller.looper.transform(function (grid) {
grid.data = []
return grid
})
if (flatten) {
controller.looper.flatten()
} else {
return release
}
}
})
}
}
}
module.exports = function (context) {
var midiPort = MidiPort(context, function (port, lastPort) {
// turn off on switch
lastPort && lastPort.write(turnOffAll)
port && port.write(turnOffAll)
})
var obs = ObservStruct({
port: midiPort,
chunkIds: Property([])
})
var params = []
for (var i = 0; i < 8; i++) {
params[i] = [
Param(context, 0),
Param(context, 0),
Param(context, 0)
]
}
var paramReleases = []
obs.chunkIds(refreshParamLinks)
context.chunkLookup(refreshParamLinks)
function refreshParamLinks () {
while (paramReleases.length) {
paramReleases.pop()()
}
obs.chunkIds().forEach(function (id, i) {
var chunk = context.chunkLookup.get(id)
if (chunk && chunk.overrideParams) {
paramReleases.push(chunk.overrideParams(params[i]))
}
})
}
// grab the midi for the current port
obs.grabInput = function () {
midiPort.grab()
}
obs.context = context
var setup = context.setup
var paramState = []
watchKnobs(midiPort.stream, mappings.row1.concat(mappings.row2, mappings.row3), function (id, data) {
var param = params[id % 8][Math.floor(id / 8)]
var chunk = setup.context.chunkLookup.get(obs.chunkIds()[id % 8])
if (chunk && chunk.overrideParams && chunk.params) {
param.set(scaleInterpolate(param() * 128, data, paramState[id] = paramState[id] || {}) / 128)
}
})
var sliderState = []
watchKnobs(midiPort.stream, mappings.sliders, function (id, data) {
var chunk = setup.chunks.lookup.get(obs.chunkIds()[id])
if (chunk) {
var volume = chunk.overrideVolume || chunk.node && chunk.node.overrideVolume
if (volume) {
var currentPosition = Math.pow(volume(), 1 / Math.E) * 108
var newPosition = scaleInterpolate(currentPosition, data, sliderState[id] = sliderState[id] || {})
volume.set(Math.pow(newPosition / 108, Math.E))
}
}
}, 108)
var pressed = PressedChunks(setup.controllers)
var knobLights = computed([obs.chunkIds, setup.context.chunkLookup, pressed, setup.selectedChunkId], function (chunkIds, lookup, pressed, selected) {
var result = []
for (var i = 0; i < 8; i++) {
var chunk = setup.context.chunkLookup.get(chunkIds[i])
if (chunk && chunk.params) {
var onValue = pressed[chunkIds[i]]
? light(0, 2)
: selected === chunkIds[i]
? light(1, 1)
: light(2, 0)
result[0 + i] = chunk.params()[0] ? onValue : 0
result[8 + i] = chunk.params()[1] ? onValue : 0
result[16 + i] = chunk.params()[2] ? onValue : 0
} else {
result[0 + i] = result[8 + i] = result[16 + i] = 0
}
}
return result
})
setLights(knobLights, midiPort.stream)
var buttonBase = computed([setup.selectedChunkId, obs.chunkIds, pressed], function (selected, chunkIds, pressed) {
var result = []
for (var i = 0; i < 8; i++) {
var chunkId = chunkIds[i]
if (chunkId) {
if (chunkId === selected) {
result.push(light(2, 3))
} else if (pressed[chunkId]) {
result.push(light(0, 1))
} else {
result.push(light(1, 0))
}
} else {
result.push(0)
}
}
return result
})
var buttonFlash = FlashArray()
setup.onTrigger(function (event) {
if (event.id) {
var chunkId = event.id.split('/')[0]
var index = obs.chunkIds().indexOf(chunkId)
if (event.event === 'start') {
if (chunkId === setup.selectedChunkId()) {
buttonFlash.flash(index, light(3, 3), 40)
} else {
buttonFlash.flash(index, light(3, 0), 40)
}
}
}
})
var buttons = ObservMidi(midiPort.stream, mappings.trackFocus, ArrayStack([
buttonBase,
buttonFlash
]))
buttons(function (values) {
var result = null
values.forEach(function (val, i) {
if (val) {
result = i
}
})
if (result != null) {
var id = obs.chunkIds()[result]
if (id) {
setup.selectedChunkId.set(id)
setup.context.actions.scrollToSelectedChunk()
}
}
})
// CONTROL BUTTONS:
var controlButtons = LightStack(midiPort.stream, {
mode: mappings.device
})
controlButtons.mode(function (value) {
if (value) {
context.project.globalControllers.forEach(function (controller) {
if (controller && controller.port && controller.port() === obs.port() && controller.grabInput) {
controller.grabInput()
controller.port.override.set(true)
}
})
}
})
obs.destroy = function () {
midiPort.destroy()
}
return obs
}
module.exports = function (context) {
var midiPort = MidiPort(context, function (port, lastPort) {
// turn off on switch
lastPort && lastPort.write(turnOffAll)
port && port.write(turnOffAll)
})
var obs = ObservStruct({
port: midiPort,
chunkIds: Property([])
})
var releases = []
var params = []
var paramLoopers = []
var recordingIndexes = Dict()
var playingIndexes = Dict()
var recordStarts = {}
for (var i = 0; i < 8; i++) {
params[i] = [
Value(0),
Value(0),
Value(0)
]
paramLoopers[i] = [
ParamLooper(context, params[i][0]),
ParamLooper(context, params[i][1]),
ParamLooper(context, params[i][2])
]
recordingIndexes.put(i, computed(paramLoopers[i].map(x => x.recording), (...args) => args.some(Boolean)))
playingIndexes.put(i, computed(paramLoopers[i].map(x => x.playing), (...args) => args.some(Boolean)))
}
var bindingReleases = new Map()
var bindings = MutantMap(obs.chunkIds, (id, invalidateOn) => {
var item = context.chunkLookup.get(id)
var index = obs.chunkIds().indexOf(id)
invalidateOn(computed([context.chunkLookup, obs.chunkIds], (_, chunkIds) => {
// rebind when chunk is changed
return item !== context.chunkLookup.get(id) || chunkIds.indexOf(id) !== index
}))
if (item) {
bindingReleases.set(item, item.overrideParams(paramLoopers[index]))
}
return item
}, {
onRemove: function (item) {
if (bindingReleases.has(item)) {
bindingReleases.get(item)()
bindingReleases.delete(item)
}
}
})
releases.push(watch(bindings))
// grab the midi for the current port
obs.grabInput = function () {
midiPort.grab()
}
obs.context = context
var setup = context.setup
watchKnobs(midiPort.stream, mappings.row1.concat(mappings.row2, mappings.row3), function (id, data) {
var param = params[id % 8][Math.floor(id / 8)]
var chunk = setup.context.chunkLookup.get(obs.chunkIds()[id % 8])
if (chunk && chunk.overrideParams && chunk.params) {
param.set(data / 128)
}
})
var sliderState = []
watchKnobs(midiPort.stream, mappings.sliders, function (id, data) {
var chunk = setup.context.chunkLookup.get(obs.chunkIds()[id])
if (chunk && chunk.overrideVolume) {
var currentPosition = Math.pow(chunk.overrideVolume(), 1 / Math.E) * 108
var newPosition = scaleInterpolate(currentPosition, data, sliderState[id] = sliderState[id] || {})
chunk.overrideVolume.set(Math.pow(newPosition / 108, Math.E))
}
}, 108)
var pressed = computed(MutantMap(setup.controllers, function (controller) {
return controller && controller.currentlyPressed
}), function (items) {
return items.reduce(function (result, pressed) {
if (pressed) {
pressed.map(x => x && x.split('/')[0]).reduce(addIfUnique, result)
}
return result
}, [])
})
var knobLights = computed([obs.chunkIds, setup.context.chunkLookup, pressed, setup.selectedChunkId], function (chunkIds, lookup, pressed, selected) {
var result = []
if (setup.context) {
for (var i = 0; i < 8; i++) {
var chunk = setup.context.chunkLookup.get(chunkIds[i])
if (chunk && chunk.params) {
var onValue = pressed.includes(chunkIds[i])
? light(0, 2)
: selected === chunkIds[i]
? light(1, 1)
: light(2, 0)
result[0 + i] = chunk.params()[0] ? onValue : 0
result[8 + i] = chunk.params()[1] ? onValue : 0
result[16 + i] = chunk.params()[2] ? onValue : 0
} else {
result[0 + i] = result[8 + i] = result[16 + i] = 0
}
}
}
return result
})
setLights(knobLights, midiPort.stream)
var buttonBase = computed([setup.selectedChunkId, obs.chunkIds, pressed], function (selected, chunkIds, pressed) {
var result = []
for (var i = 0; i < 8; i++) {
var chunkId = chunkIds[i]
if (chunkId) {
if (chunkId === selected) {
result.push(light(2, 3))
} else if (pressed.includes(chunkId)) {
result.push(light(0, 1))
} else {
result.push(light(1, 0))
}
} else {
result.push(0)
}
}
return result
})
var buttonFlash = FlashArray()
setup.onTrigger(function (event) {
if (event.id) {
var chunkId = event.id.split('/')[0]
var index = obs.chunkIds().indexOf(chunkId)
if (event.event === 'start') {
if (chunkId === setup.selectedChunkId()) {
buttonFlash.flash(index, light(3, 3), 40)
} else {
buttonFlash.flash(index, light(3, 0), 40)
}
}
}
})
var buttons = ObservMidi(midiPort.stream, mappings.trackFocus, ArrayStack([
buttonBase,
buttonFlash
]))
buttons(function (values) {
var result = null
values.forEach(function (val, i) {
if (val) {
result = i
}
})
if (result != null) {
var id = obs.chunkIds()[result]
if (id) {
setup.selectedChunkId.set(id)
setup.context.actions.scrollToSelectedChunk()
}
}
})
var recordButtonBase = computed([recordingIndexes, playingIndexes], function (recordingIndexes, playingIndexes) {
var result = []
for (var i = 0; i < 8; i++) {
if (recordingIndexes[i]) {
result[i] = light(3, 0)
} else if (playingIndexes[i]) {
result[i] = light(0, 3)
} else {
result[i] = 0
}
}
return result
})
var recordButtons = ObservMidi(midiPort.stream, mappings.trackControl, recordButtonBase)
recordButtons(function (values) {
values.forEach(function (val, i) {
paramLoopers[i].forEach(looper => looper.recording.set(!!val))
if (val) {
recordStarts[i] = Date.now()
} else if (Date.now() - recordStarts[i] < 400) {
paramLoopers[i].forEach(looper => looper.set(0))
}
})
})
// CONTROL BUTTONS:
var controlButtons = LightStack(midiPort.stream, {
mode: mappings.device
})
controlButtons.mode(function (value) {
if (value) {
context.project.globalControllers.forEach(function (controller) {
if (controller && controller.port && controller.port() === obs.port() && controller.grabInput) {
controller.grabInput()
controller.port.override.set(true)
}
})
}
})
obs.destroy = function () {
while (releases.length) {
releases.pop()()
}
for (var fn of bindingReleases.values()) {
fn()
}
bindingReleases.clear()
midiPort.destroy()
paramLoopers.forEach(items => items.forEach(param => param.destroy()))
}
return obs
}