Press n or j to go to the next uncovered block, b, p or k for the previous block.
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import type {
DutyInstrument,
NoiseInstrument,
WaveInstrument,
} from "store/features/trackerDocument/trackerDocumentTypes";
import { PatternCell } from "./PatternCell";
const LAST_VERSION = 6;
export class Song {
version: number;
name: string;
artist: string;
comment: string;
filename: string;
duty_instruments: DutyInstrument[];
wave_instruments: WaveInstrument[];
noise_instruments: NoiseInstrument[];
waves: Uint8Array[];
ticks_per_row: number;
timer_enabled: boolean;
timer_divider: number;
patterns: PatternCell[][][];
sequence: number[];
constructor() {
this.version = LAST_VERSION;
this.name = "";
this.artist = "";
this.comment = "";
this.filename = "song";
this.duty_instruments = [];
this.wave_instruments = [];
this.noise_instruments = [];
this.waves = [];
this.ticks_per_row = 6;
this.timer_enabled = false;
this.timer_divider = 0;
this.patterns = [];
this.sequence = [];
}
addDutyInstrument(instrument: DutyInstrument) {
const list = this.duty_instruments;
instrument.index = list.length;
list.push(instrument);
}
addWaveInstrument(instrument: WaveInstrument) {
const list = this.wave_instruments;
instrument.index = list.length;
list.push(instrument);
}
addNoiseInstrument(instrument: NoiseInstrument) {
const list = this.noise_instruments;
instrument.index = list.length;
list.push(instrument);
}
usesInstrument(type: string, index: number) {
let cols: number[] = [];
Iif (type === "duty") {
cols = [0, 1];
}
Iif (type === "wave") {
cols = [2];
}
Iif (type === "noise") {
cols = [3];
}
for (const pattern of this.patterns) {
for (const row of pattern) {
for (const col of cols) {
Iif (row[col].instrument === index) return true;
}
}
}
return false;
}
removeInstrument(type: string, index: number) {
let list: (DutyInstrument | WaveInstrument | NoiseInstrument)[] = [];
let cols: number[] = [];
Iif (type === "duty") {
list = this.duty_instruments;
cols = [0, 1];
}
Iif (type === "wave") {
list = this.wave_instruments;
cols = [2];
}
Iif (type === "noise") {
list = this.noise_instruments;
cols = [3];
}
for (const pattern of this.patterns) {
for (const row of pattern) {
for (const col of cols) {
const instrumentIndex = row[col].instrument;
Iif (instrumentIndex) {
Iif (instrumentIndex === index) {
row[col].instrument = null;
}
Iif (instrumentIndex > index) {
row[col].instrument = instrumentIndex - 1;
}
}
}
}
}
list.splice(index, 1);
for (let idx = 0; idx < list.length; idx++) {
list[idx].index = idx;
}
}
}
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