Robin Davies
764 lines
24 KiB
TypeScript
764 lines
24 KiB
TypeScript
// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import { PiPedalArgumentError } from './PiPedalError';
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import MidiBinding from './MidiBinding';
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const SPLIT_PEDALBOARD_ITEM_URI = "uri://two-play/pipedal/pedalboard#Split";
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const EMPTY_PEDALBOARD_ITEM_URI = "uri://two-play/pipedal/pedalboard#Empty";
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interface Deserializable<T> {
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deserialize(input: any): T;
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}
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export class ControlValue implements Deserializable<ControlValue> {
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constructor(key?: string, value?: number)
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{
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this.key = key??"";
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this.value = value?? 0;
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}
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deserialize(input: any): ControlValue {
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this.key = input.key;
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this.value = input.value;
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return this;
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}
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static EmptyArray: ControlValue[] = [];
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static deserializeArray(input: any[]): ControlValue[] {
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let result: ControlValue[] = [];
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for (let i = 0; i < input.length; ++i) {
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result[i] = new ControlValue().deserialize(input[i]);
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}
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return result;
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}
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setValue(value: number) {
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this.value = value;
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}
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key: string;
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value: number;
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}
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export class PedalboardItem implements Deserializable<PedalboardItem> {
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deserializePedalboardItem(input: any): PedalboardItem {
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this.instanceId = input.instanceId ?? -1;
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this.uri = input.uri;
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this.pluginName = input.pluginName;
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this.isEnabled = input.isEnabled;
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this.midiBindings = MidiBinding.deserialize_array(input.midiBindings);
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this.controlValues = ControlValue.deserializeArray(input.controlValues);
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this.vstState = input.vstState ?? "";
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this.stateUpdateCount = input.stateUpdateCount;
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this.lv2State = input.lv2State;
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this.lilvPresetUri = input.lilvPresetUri;
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this.pathProperties = input.pathProperties;
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return this;
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}
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deserialize(input: any): PedalboardItem {
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return this.deserializePedalboardItem(input);
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}
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static deserializeArray(input: any): PedalboardItem[] {
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let result: PedalboardItem[] = [];
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for (let i = 0; i < input.length; ++i) {
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let inputItem: any = input[i];
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let uri: string = inputItem.uri as string;
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let outputItem: PedalboardItem;
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if (uri === SPLIT_PEDALBOARD_ITEM_URI) {
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outputItem = new PedalboardSplitItem().deserialize(inputItem);
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} else {
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outputItem = new PedalboardItem().deserialize(inputItem);
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}
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result[i] = outputItem;
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}
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return result;
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}
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isSyntheticItem(): boolean {
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return this.instanceId === Pedalboard.START_CONTROL
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|| this.instanceId === Pedalboard.END_CONTROL;
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}
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getInstanceId() : number {
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if (this.instanceId === undefined)
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{
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throw new PiPedalArgumentError("Item does not have an id.");
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}
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return this.instanceId;
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}
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isEmpty(): boolean {
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return this.uri === EMPTY_PEDALBOARD_ITEM_URI;
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}
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isSplit(): boolean {
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return this.uri === SPLIT_PEDALBOARD_ITEM_URI;
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}
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isStart(): boolean {
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return this.uri === Pedalboard.START_PEDALBOARD_ITEM_URI;
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}
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isEnd(): boolean {
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return this.uri === Pedalboard.END_PEDALBOARD_ITEM_URI;
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}
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getControl(key: string): ControlValue {
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for (let i = 0; i < this.controlValues.length; ++i) {
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let v = this.controlValues[i];
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if (v.key === key) {
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return v;
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}
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}
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throw new PiPedalArgumentError("Invalid key.");
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}
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getControlValue(key: string): number {
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for (let i = 0; i < this.controlValues.length; ++i) {
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let v = this.controlValues[i];
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if (v.key === key) {
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return v.value;
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}
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}
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return 0;
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}
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setControlValue(key: string, value: number): boolean {
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for (let i = 0; i < this.controlValues.length; ++i) {
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let v = this.controlValues[i];
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if (v.key === key) {
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if (v.value === value) return false;
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v.setValue(value);
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return true;
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}
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}
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return false;
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}
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setMidiBinding(midiBinding: MidiBinding): boolean {
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if (this.midiBindings)
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{
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for (let i = 0; i < this.midiBindings.length; ++i)
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{
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let binding = this.midiBindings[i];
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if (midiBinding.symbol === binding.symbol)
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{
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if (binding.equals(midiBinding))
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{
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return false;
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}
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this.midiBindings.splice(i,1,midiBinding);
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return true;
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}
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}
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this.midiBindings.push(midiBinding);
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return true;
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}
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this.midiBindings = [ midiBinding];
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return true;
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}
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getMidiBinding(symbol: string): MidiBinding {
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if (this.midiBindings)
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{
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for (let i = 0; i < this.midiBindings.length; ++i)
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{
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let midiBinding = this.midiBindings[i];
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if (midiBinding.symbol === symbol)
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{
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return midiBinding;
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}
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}
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}
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let result = new MidiBinding();
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result.symbol = symbol;
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return result;
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}
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static EmptyArray: PedalboardItem[] = [];
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instanceId: number = -1;
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isEnabled: boolean = false;
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uri: string = "";
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pluginName?: string;
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controlValues: ControlValue[] = ControlValue.EmptyArray;
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midiBindings: MidiBinding[] = [];
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vstState: string = "";
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stateUpdateCount: number = 0;
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lv2State: [boolean,any] = [false,{}];
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lilvPresetUri: string = "";
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pathProperties: {[Name: string]: string} = {};
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};
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export class SnapshotValue {
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deserialize(input: any): SnapshotValue {
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this.instanceId = input.instanceId;
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this.controlValues = ControlValue.deserializeArray(input.controlValues);
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this.lv2State = input.lv2state;
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this.pathProperties = input.pathProperties;
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return this;
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}
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static deserializeArray(input: any): SnapshotValue[] {
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let result: SnapshotValue[] = [];
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for (let i = 0; i < input.length; ++i) {
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let inputItem: any = input[i];
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let outputItem = new SnapshotValue().deserialize(inputItem);
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result[i] = outputItem;
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}
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return result;
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}
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static createFromPedalboardItem(item: PedalboardItem)
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{
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let result = new SnapshotValue();
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result.instanceId = item.instanceId;
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result.isEnabled = item.isEnabled;
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result.controlValues = ControlValue.deserializeArray(item.controlValues);
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result.lv2State = item.lv2State; // we can do this, because lv2State is immutable.
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result.pathProperties = {...item.pathProperties}; // clone the dictionary.
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return result;
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}
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instanceId: number = -1;
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isEnabled: boolean = true;
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controlValues: ControlValue[] = ControlValue.EmptyArray;
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lv2State: [boolean,any] = [false,{}];
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pathProperties: {[Name: string]: string} = {};
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}
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export class Snapshot {
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deserialize(input: any): Snapshot {
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this.values = SnapshotValue.deserializeArray(input.values);
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this.isModified = input.isModified;
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this.name = input.name;
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this.color = input.color;
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return this;
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}
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static deserializeArray(input: any): (Snapshot| null)[] {
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let result: (Snapshot|null)[] = [];
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for (let i = 0; i < input.length; ++i) {
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let inputItem: any = input[i];
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let outputItem: (Snapshot|null) = null;
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if (inputItem !== null)
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{
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outputItem = new Snapshot().deserialize(inputItem);
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}
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result[i] = outputItem;
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}
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return result;
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}
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static readonly MAX_SNAPSHOTS: number = 6;
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static cloneSnapshots(snapshots: (Snapshot|null)[]): (Snapshot|null)[]
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{
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let result: (Snapshot|null)[] = [];
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for (let i = 0; i < Snapshot.MAX_SNAPSHOTS; ++i)
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{
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if (i >= snapshots.length)
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{
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result.push(null);
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} else {
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result.push(snapshots[i]);
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}
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}
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return result;
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}
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name: string = "";
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isModified: boolean = false;
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color: string = "";
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values: SnapshotValue[] = [];
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};
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export enum SplitType {
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Ab = 0,
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Mix = 1,
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Lr = 2
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}
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export class PedalboardSplitItem extends PedalboardItem {
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static PANL_KEY: string = "panL";
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static PANR_KEY: string = "panR";
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static VOLL_KEY: string = "volL";
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static VOLR_KEY: string = "volR";
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static MIX_KEY: string = "mix";
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static TYPE_KEY: string = "splitType";
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static SELECT_KEY: string = "select";
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deserialize(input: any): PedalboardSplitItem {
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this.deserializePedalboardItem(input);
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this.topChain = PedalboardItem.deserializeArray(input.topChain);
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this.bottomChain = PedalboardItem.deserializeArray(input.bottomChain);
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return this;
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}
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getSplitType(): SplitType {
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let rawValue = this.getControlValue(PedalboardSplitItem.TYPE_KEY);
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if (rawValue < 1) return SplitType.Ab;
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if (rawValue < 2) return SplitType.Mix;
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return SplitType.Lr;
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}
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getToggleAbControlValue(): ControlValue {
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let cv = new ControlValue();
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cv.key = "select";
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cv.value = this.isASelected() ? 1 : 0;
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return cv;
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}
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getMixControl(): ControlValue {
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return this.getControl(PedalboardSplitItem.MIX_KEY);
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}
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getMix(): number {
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return this.getControlValue(PedalboardSplitItem.MIX_KEY);
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}
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isASelected(): boolean {
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return this.getSplitType() !== SplitType.Ab || this.getControlValue(PedalboardSplitItem.SELECT_KEY) === 0;
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}
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isBSelected(): boolean {
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return this.getSplitType() !== SplitType.Ab || this.getControlValue(PedalboardSplitItem.SELECT_KEY) !== 0;
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}
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topChain: PedalboardItem[] = PedalboardItem.EmptyArray;
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bottomChain: PedalboardItem[] = PedalboardItem.EmptyArray;
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}
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export class Pedalboard implements Deserializable<Pedalboard> {
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static readonly START_CONTROL = -2; // synthetic PedalboardItem for input volume.
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static readonly END_CONTROL = -3; // synthetic PedalboardItem for output volume.
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static readonly START_PEDALBOARD_ITEM_URI = "uri://two-play/pipedal/pedalboard#Start";
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static readonly END_PEDALBOARD_ITEM_URI = "uri://two-play/pipedal/pedalboard#End";
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deserialize(input: any): Pedalboard {
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this.name = input.name;
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this.input_volume_db = input.input_volume_db;
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this.output_volume_db = input.output_volume_db;
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this.items = PedalboardItem.deserializeArray(input.items);
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this.nextInstanceId = input.nextInstanceId ?? -1;
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this.snapshots = input.snapshots ? Snapshot.deserializeArray(input.snapshots): [];
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this.selectedSnapshot = input.selectedSnapshot;
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this.pathProperties = input.pathProperties;
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return this;
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}
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clone(): Pedalboard {
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return new Pedalboard().deserialize(this);
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}
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name: string = "";
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input_volume_db: number = 0;
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output_volume_db: number = 0;
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items: PedalboardItem[] = [];
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nextInstanceId: number = -1;
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snapshots: (Snapshot | null)[] = [];
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selectedSnapshot: number = -1;
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pathProperties: {[Name: string]: string} = {};
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*itemsGenerator(): Generator<PedalboardItem, void, undefined> {
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let it = itemGenerator_(this.items);
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while (true)
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{
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let v = it.next();
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if (v.done) break;
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yield v.value;
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}
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}
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makeSnapshot(): Snapshot {
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let result = new Snapshot();
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let it = this.itemsGenerator();
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while (true)
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{
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let v = it.next();
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if (v.done) break;
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let pedalboardItem = v.value;
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let snapshotValue = SnapshotValue.createFromPedalboardItem(pedalboardItem);
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result.values.push(snapshotValue);
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}
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return result;
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}
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hasItem(instanceId: number): boolean
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{
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let it = this.itemsGenerator();
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while (true)
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{
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let v = it.next();
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if (v.done) break;
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if (v.value.instanceId === instanceId)
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{
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return true;
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}
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}
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return false;
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}
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getFirstSelectableItem(): number
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{
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if (this.items.length !== 0)
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{
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return this.items[0].instanceId;
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}
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return -1;
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}
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maybeGetItem(instanceId: number): PedalboardItem | null{
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let it = this.itemsGenerator();
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while (true)
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{
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let v = it.next();
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if (v.done) break;
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if (v.value.instanceId === instanceId)
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{
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return v.value;
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}
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}
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return null;
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}
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makeStartItem(): PedalboardItem {
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let result = new PedalboardItem();
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result.pluginName = "Input";
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result.instanceId = Pedalboard.START_CONTROL;
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result.uri = Pedalboard.START_PEDALBOARD_ITEM_URI;
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result.isEnabled = true;
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result.controlValues = [new ControlValue("volume_db",this.input_volume_db)];
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return result;
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}
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makeEndItem(): PedalboardItem {
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let result = new PedalboardItem();
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result.pluginName = "Output";
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result.instanceId = Pedalboard.END_CONTROL;
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result.uri = Pedalboard.END_PEDALBOARD_ITEM_URI;
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result.isEnabled = true;
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result.controlValues = [new ControlValue("volume_db",this.output_volume_db)];
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return result;
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}
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getItem(instanceId: number): PedalboardItem {
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let it = this.itemsGenerator();
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while (true)
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{
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let v = it.next();
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if (v.done) break;
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if (v.value.instanceId === instanceId)
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{
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return v.value;
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}
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}
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throw new PiPedalArgumentError("Item not found.");
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}
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deleteItem_(instanceId: number,items: PedalboardItem[]): number | null
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{
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for (let i = 0; i < items.length; ++i)
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{
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let item = items[i];
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if (item.instanceId === instanceId)
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{
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if (items.length > 1) {
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items.splice(i,1);
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let nextSelectedItem = i;
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if (i >= items.length) --nextSelectedItem;
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return items[nextSelectedItem].instanceId;
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} else {
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// replace with an empty item.
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let newItem = this.createEmptyItem();
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items[i] = newItem;
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return newItem.instanceId;
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}
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} else {
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if (item.isSplit())
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{
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let splitItem = item as PedalboardSplitItem;
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let t = this.deleteItem_(instanceId,splitItem.topChain);
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if (t != null) return t;
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t = this.deleteItem_(instanceId,splitItem.bottomChain);
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if (t != null) return t;
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}
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}
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}
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return null;
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}
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canDeleteItem_(instanceId: number,items: PedalboardItem[]): boolean
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{
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for (let i = 0; i < items.length; ++i)
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{
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let item = items[i];
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if (item.instanceId === instanceId)
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{
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if (items.length > 1) return true;
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return !item.isEmpty(); // can delete if there's one non-empty item.
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}
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if (item.isSplit())
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{
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let splitItem = item as PedalboardSplitItem;
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if (this.canDeleteItem_(instanceId,splitItem.topChain))
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{
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return true;
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}
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if (this.canDeleteItem_(instanceId,splitItem.bottomChain))
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{
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return true;
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}
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}
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}
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return false;
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}
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canDeleteItem(instanceId: number): boolean
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{
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return this.canDeleteItem_(instanceId,this.items);
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}
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// Returns the next selected instanceId, or null if no deletion occurred.
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deleteItem(instanceId: number): number | null {
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|
return this.deleteItem_(instanceId,this.items);
|
|
}
|
|
|
|
setMidiBinding(instanceId: number, midiBinding: MidiBinding): boolean
|
|
{
|
|
let item = this.getItem(instanceId);
|
|
if (!item) return false;
|
|
return item.setMidiBinding(midiBinding);
|
|
}
|
|
addToStart(item: PedalboardItem)
|
|
{
|
|
this.items.splice(0,0,item);
|
|
}
|
|
addToEnd(item: PedalboardItem)
|
|
{
|
|
this.items.splice(this.items.length,0,item);
|
|
}
|
|
static _addRelative(items: PedalboardItem[],newItem: PedalboardItem, instanceId: number, addBefore: boolean): boolean
|
|
{
|
|
for (let i = 0; i < items.length; ++i)
|
|
{
|
|
let item = items[i];
|
|
if (item.instanceId === instanceId)
|
|
{
|
|
if (addBefore)
|
|
{
|
|
items.splice(i,0,newItem);
|
|
} else {
|
|
items.splice(i+1,0,newItem);
|
|
}
|
|
return true;
|
|
}
|
|
if (item.isSplit())
|
|
{
|
|
let split = item as PedalboardSplitItem;
|
|
if (this._addRelative(split.topChain,newItem,instanceId,addBefore))
|
|
{
|
|
return true;
|
|
}
|
|
if (this._addRelative(split.bottomChain,newItem,instanceId,addBefore))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|
|
addBefore(item: PedalboardItem, instanceId: number)
|
|
{
|
|
if (item.instanceId === instanceId) return;
|
|
let result = Pedalboard._addRelative(this.items,item, instanceId, true);
|
|
if (!result) {
|
|
throw new PiPedalArgumentError("instanceId not found.");
|
|
}
|
|
|
|
}
|
|
addAfter(item: PedalboardItem, instanceId: number)
|
|
{
|
|
if (item.instanceId === instanceId) return;
|
|
let result = Pedalboard._addRelative(this.items,item, instanceId, false);
|
|
if (!result) {
|
|
throw new PiPedalArgumentError("instanceId not found.");
|
|
}
|
|
|
|
}
|
|
|
|
ensurePedalboardIds() {
|
|
if (this.nextInstanceId === -1) {
|
|
let minId = 1;
|
|
let it = this.itemsGenerator();
|
|
while (true) {
|
|
let v = it.next();
|
|
if (v.done) break;
|
|
if (v.value.instanceId) {
|
|
let t = v.value.instanceId;
|
|
if (t+1 > minId) minId = t+1;
|
|
}
|
|
|
|
}
|
|
this.nextInstanceId = minId;
|
|
}
|
|
let it = this.itemsGenerator();
|
|
while (true) {
|
|
let v = it.next();
|
|
if (v.done) break;
|
|
if (v.value.instanceId === -1) {
|
|
v.value.instanceId = ++this.nextInstanceId;
|
|
|
|
}
|
|
}
|
|
}
|
|
createEmptySplit(): PedalboardSplitItem {
|
|
let result: PedalboardSplitItem = new PedalboardSplitItem();
|
|
result.uri = SPLIT_PEDALBOARD_ITEM_URI;
|
|
result.instanceId = ++this.nextInstanceId;
|
|
result.pluginName = "";
|
|
result.isEnabled = true;
|
|
result.topChain = [ this.createEmptyItem()];
|
|
result.bottomChain = [ this.createEmptyItem()];
|
|
result.controlValues = [
|
|
new ControlValue(PedalboardSplitItem.TYPE_KEY, 0),
|
|
new ControlValue(PedalboardSplitItem.SELECT_KEY,0),
|
|
new ControlValue(PedalboardSplitItem.MIX_KEY,0),
|
|
new ControlValue(PedalboardSplitItem.PANL_KEY,0),
|
|
new ControlValue(PedalboardSplitItem.VOLL_KEY,-3),
|
|
new ControlValue(PedalboardSplitItem.PANR_KEY,0),
|
|
new ControlValue(PedalboardSplitItem.VOLR_KEY,-3)
|
|
];
|
|
|
|
|
|
return result;
|
|
|
|
|
|
}
|
|
createEmptyItem(): PedalboardItem {
|
|
let result: PedalboardItem = new PedalboardItem();
|
|
result.uri = EMPTY_PEDALBOARD_ITEM_URI;
|
|
result.instanceId = ++this.nextInstanceId;
|
|
result.pluginName = "";
|
|
result.isEnabled = true;
|
|
|
|
return result;
|
|
}
|
|
setItemEmpty(item: PedalboardItem)
|
|
{
|
|
item.uri = EMPTY_PEDALBOARD_ITEM_URI;
|
|
item.instanceId = ++this.nextInstanceId;
|
|
item.pluginName = "";
|
|
item.isEnabled = true;
|
|
item.controlValues = [];
|
|
item.vstState = "";
|
|
item.lv2State = [false,{}];
|
|
|
|
}
|
|
|
|
_replaceItem(items: PedalboardItem[], instanceId: number, newItem: PedalboardItem): boolean {
|
|
for (let i = 0; i < items.length; ++i)
|
|
{
|
|
let item = items[i];
|
|
if (item.instanceId === instanceId)
|
|
{
|
|
items[i] = newItem;
|
|
return true;
|
|
}
|
|
if (items[i].isSplit())
|
|
{
|
|
let splitItem = item as PedalboardSplitItem;
|
|
if (this._replaceItem(splitItem.topChain,instanceId,newItem))
|
|
return true;
|
|
if (this._replaceItem(splitItem.bottomChain,instanceId,newItem))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
replaceItem(instanceId: number, newItem: PedalboardItem)
|
|
{
|
|
let result = this._replaceItem(this.items,instanceId,newItem);
|
|
if (!result)
|
|
{
|
|
throw new PiPedalArgumentError("instanceId not found.");
|
|
}
|
|
}
|
|
private _addItem(items: PedalboardItem[], newItem: PedalboardItem, instanceId: number, append: boolean)
|
|
{
|
|
for (let i = 0; i < items.length; ++i)
|
|
{
|
|
let item = items[i];
|
|
if (item.instanceId === instanceId)
|
|
{
|
|
if (append)
|
|
{
|
|
items.splice(i+1,0,newItem);
|
|
return true;
|
|
} else {
|
|
items.splice(i,0,newItem);
|
|
return true;
|
|
}
|
|
}
|
|
if (item.isSplit())
|
|
{
|
|
let splitItem = item as PedalboardSplitItem;
|
|
if (this._addItem(splitItem.topChain,newItem,instanceId,append)) return true;
|
|
if (this._addItem(splitItem.bottomChain,newItem,instanceId,append)) return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
addItem(newItem: PedalboardItem, instanceId: number, append: boolean): void
|
|
{
|
|
this._addItem(this.items,newItem,instanceId,append);
|
|
}
|
|
|
|
}
|
|
|
|
function* itemGenerator_(items: PedalboardItem[]): Generator<PedalboardItem, void, undefined> {
|
|
for (let i = 0; i < items.length; ++i) {
|
|
let item = items[i];
|
|
yield item;
|
|
if (item.uri === SPLIT_PEDALBOARD_ITEM_URI) {
|
|
|
|
let splitItem = item as PedalboardSplitItem;
|
|
|
|
let it = itemGenerator_(splitItem.topChain);
|
|
while (true) {
|
|
let v = it.next();
|
|
if (v.done) break;
|
|
yield v.value;
|
|
}
|
|
it = itemGenerator_(splitItem.bottomChain);
|
|
while (true) {
|
|
let v = it.next();
|
|
if (v.done) break;
|
|
yield v.value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|