802 lines
26 KiB
JavaScript
Executable File
802 lines
26 KiB
JavaScript
Executable File
// js/creations/file.js
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//--------------------------------------------------------------
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// IMPORTS NECESSÁRIOS
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//--------------------------------------------------------------
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import {
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appState,
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saveStateToSession,
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resetProjectState,
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loadStateFromSession,
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} from "./state.js";
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import { loadAudioForTrack } from "./pattern/pattern_state.js";
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import { renderAll, getSamplePathMap } from "./ui.js";
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import { DEFAULT_PAN, DEFAULT_VOLUME, NOTE_LENGTH } from "./config.js";
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import { initializeAudioContext, getMainGainNode } from "./audio.js";
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import { DEFAULT_PROJECT_XML, getSecondsPerStep, SAMPLE_SRC } from "./utils.js";
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import * as Tone from "https://esm.sh/tone";
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import { sendAction } from "./socket.js";
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// ⚠️ vem do módulo de áudio (o mesmo que audio_ui usa)
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import {
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addAudioTrackLane,
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addAudioClipToTimeline,
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updateAudioClipProperties,
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} from "./audio/audio_state.js";
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const TICKS_PER_STEP = 12;
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function safeId(prefix) {
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return (crypto?.randomUUID?.() || `${prefix}_${Date.now()}_${Math.floor(Math.random() * 1e6)}`);
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}
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function basename(path) {
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return String(path || "").split(/[\\/]/).pop();
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}
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function resolveSamplePath(sampleName, pathMap) {
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// 1) tenta pelo manifest (melhor)
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if (sampleName && pathMap[sampleName]) return pathMap[sampleName];
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// 2) fallback simples (se você tiver essa convenção)
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// ajuste se necessário
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if (sampleName) return `${SAMPLE_SRC}/${sampleName}`;
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return null;
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}
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function ticksToSeconds(ticks) {
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const seconds = (ticks / TICKS_PER_STEP) * getSecondsPerStep();
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return seconds;
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}
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function dirname(path) {
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const parts = String(path || "").split(/[\\/]/);
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parts.pop();
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return parts.join("/");
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}
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function lastFolder(path) {
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const dir = dirname(path);
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return String(dir).split(/[\\/]/).pop();
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}
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export async function parseBeatIndexJson(data) {
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resetProjectState();
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initializeAudioContext();
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// BPM
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const bpm = Number(data?.bpm || 140);
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const bpmInput = document.getElementById("bpm-input");
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if (bpmInput) bpmInput.value = bpm;
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// (opcional) nome do projeto
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if (data?.original_title) {
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appState.global.currentBeatBasslineName = data.original_title;
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}
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const pathMap = getSamplePathMap(); // vem do samples-manifest :contentReference[oaicite:6]{index=6}
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const secondsPerStep = getSecondsPerStep();
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const newPatternTracks = [];
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// 1) monta pattern.tracks (plugin/bassline etc)
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(data.tracks || []).forEach((t, idx) => {
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if (t.type === "sample") return;
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const id = t.id || safeId("ptrk");
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// normaliza nome (teu JSON usa track_name / bassline_name)
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const name =
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t.track_name ||
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t.bassline_name ||
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t.instrument_name ||
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t.instrumentName ||
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`Track ${idx + 1}`;
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newPatternTracks.push({
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...t,
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id,
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name,
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});
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});
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appState.pattern.tracks = newPatternTracks;
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// 2) cria lanes/clips de áudio a partir dos sample-tracks
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const sampleTracks = (data?.tracks || []).filter((t) => t?.type === "sample"); // ✅ data
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for (let i = 0; i < sampleTracks.length; i++) {
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const t = sampleTracks[i];
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const trackId = `sample_lane_${Date.now()}_${i}`;
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appState.audio.tracks.push({
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id: trackId,
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name: t.track_name || "Áudio",
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});
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const fileName =
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t.sample_name ||
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basename(t.sample_info?.src) ||
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`${basename(t.sample_info?.src || "")}`; // ✅ sem sample_info solto
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const encodedFileName = encodeURIComponent(fileName);
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const projectName = encodeURIComponent(data?.file || data?.original_title || "");
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const base = `${SAMPLE_SRC}/${projectName}`; // ✅ SAMPLE_SRC/{project}
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let resolvedUrl = pathMap[fileName];
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if (!resolvedUrl || !resolvedUrl.includes(`/${projectName}/`)) {
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resolvedUrl = `${base}/${encodedFileName}`;
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}
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// ✅ tempo no padrão do seu playlist (12 ticks por step)
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const startSec = ((Number(t.sample_info?.pos || 0) / 12) * secondsPerStep);
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const durSec = ((Number(t.sample_info?.len || 0) / 12) * secondsPerStep);
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const clipId = `clip_${trackId}_0`;
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addAudioClipToTimeline(resolvedUrl, trackId, startSec, clipId, fileName);
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const vol = Number(t.sample_info?.vol ?? 100) / 100;
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const pan = Number(t.sample_info?.pan ?? 0) / 100;
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const muted = String(t.sample_info?.muted ?? "0") === "1";
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updateAudioClipProperties(clipId, {
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durationInSeconds: durSec || 0,
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volume: muted ? 0 : vol,
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pan: isNaN(pan) ? 0 : pan,
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});
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}
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renderAll();
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}
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//--------------------------------------------------------------
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// MANIPULAÇÃO DE ARQUIVOS
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//--------------------------------------------------------------
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export function handleLocalProjectReset() {
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console.log("Recebido comando de reset. Limpando estado local...");
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if (window.ROOM_NAME) {
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try {
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sessionStorage.removeItem(`temp_state_${window.ROOM_NAME}`);
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} catch (e) {
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console.error("Falha ao limpar estado da sessão:", e);
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}
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}
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resetProjectState();
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const bpmInput = document.getElementById("bpm-input");
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if (bpmInput) bpmInput.value = 140;
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["bars-input", "compasso-a-input", "compasso-b-input"].forEach((id) => {
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const el = document.getElementById(id);
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if (el) el.value = id === "bars-input" ? 1 : 4;
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});
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renderAll();
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}
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export async function handleFileLoad(file) {
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let xmlContent = "";
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try {
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const lower = file.name.toLowerCase();
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if (lower.endsWith(".json")) {
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const json = JSON.parse(await file.text());
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sendAction({ type: "LOAD_BEAT_INDEX", data: json });
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return;
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}
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if (file.name.toLowerCase().endsWith(".mmpz")) {
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// eslint-disable-next-line no-undef
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const jszip = new JSZip();
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const zip = await jszip.loadAsync(file);
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const projectFile = Object.keys(zip.files).find((name) =>
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name.toLowerCase().endsWith(".mmp")
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);
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if (!projectFile)
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throw new Error(
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"Não foi possível encontrar um arquivo .mmp dentro do .mmpz"
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);
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xmlContent = await zip.files[projectFile].async("string");
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} else {
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xmlContent = await file.text();
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}
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sendAction({ type: "LOAD_PROJECT", xml: xmlContent });
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} catch (error) {
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console.error("Erro ao carregar o projeto:", error);
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alert(`Erro ao carregar projeto: ${error.message}`);
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}
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}
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export async function loadBeatIndexFromServer(fileName) {
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const response = await fetch(`src_mmpSearch/metadata/${fileName}.json`);
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if (!response.ok) throw new Error("Não foi possível carregar beat index");
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const data = await response.json();
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sendAction({ type: "LOAD_BEAT_INDEX", data });
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}
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export async function loadProjectFromServer(fileName) {
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try {
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const response = await fetch(`src_mmpSearch/mmp/${fileName}`);
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if (!response.ok)
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throw new Error(`Não foi possível carregar o arquivo ${fileName}`);
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const xmlContent = await response.text();
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sendAction({ type: "LOAD_PROJECT", xml: xmlContent });
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return true;
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} catch (error) {
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console.error("Erro ao carregar projeto do servidor:", error);
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alert(`Erro ao carregar projeto: ${error.message}`);
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return false;
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}
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}
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// =================================================================
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// FUNÇÃO AUXILIAR: PARSE DE INSTRUMENTO ÚNICO
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// =================================================================
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function parseInstrumentNode(
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trackNode,
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sortedBBTrackNameNodes, // Esse argumento agora será ignorado para evitar o bug
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pathMap,
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parentBasslineId = null
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) {
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const instrumentNode = trackNode.querySelector("instrument");
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const instrumentTrackNode = trackNode.querySelector("instrumenttrack");
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if (!instrumentNode || !instrumentTrackNode) return null;
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const trackName = trackNode.getAttribute("name");
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const instrumentName = instrumentNode.getAttribute("name");
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// Lógica de Patterns:
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// CORREÇÃO: Iteramos diretamente sobre os patterns encontrados no XML do instrumento.
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// Não tentamos mais mapear 1-para-1 com os clipes da timeline, pois instrumentos de
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// Beat/Bassline reutilizam o mesmo pattern várias vezes.
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const allPatternsNodeList = trackNode.querySelectorAll("pattern");
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// Ordena os patterns pela posição (importante para Song Editor, neutro para BB Editor)
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const allPatternsArray = Array.from(allPatternsNodeList).sort((a, b) => {
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return (
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(parseInt(a.getAttribute("pos"), 10) || 0) -
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(parseInt(b.getAttribute("pos"), 10) || 0)
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);
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});
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// Se não houver patterns no XML, criamos um vazio para não quebrar a UI
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let patterns = [];
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if (allPatternsArray.length > 0) {
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patterns = allPatternsArray.map((patternNode, index) => {
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// Tenta pegar o nome do atributo, ou gera um genérico
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const patternName = patternNode.getAttribute("name") || `Pattern ${index}`;
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const patternSteps = parseInt(patternNode.getAttribute("steps"), 10) || 16;
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const steps = new Array(patternSteps).fill(false);
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const notes = [];
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// No XML base: 1 compasso (bar) = 192 ticks em 4/4,
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// então 1 beat = 48 ticks e 1 step (1/16) = 12 ticks.
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const ticksPerStep = 12;
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patternNode.querySelectorAll("note").forEach((noteNode) => {
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const pos = parseInt(noteNode.getAttribute("pos"), 10) || 0;
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const rawLen = parseInt(noteNode.getAttribute("len"), 10) || 0;
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// ✅ LMMS costuma salvar one-shots com len negativo (ex: -192).
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// Na nossa DAW, tratamos isso como 1 step (1/16) = 12 ticks.
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const len = rawLen < 0 ? TICKS_PER_STEP : rawLen;
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notes.push({
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pos,
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len,
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key: parseInt(noteNode.getAttribute("key"), 10),
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vol: parseInt(noteNode.getAttribute("vol"), 10),
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pan: parseInt(noteNode.getAttribute("pan"), 10),
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});
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// stepIndex também deve usar 12 (você já corrigiu isso antes)
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const stepIndex = Math.floor(pos / TICKS_PER_STEP);
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if (stepIndex < patternSteps) steps[stepIndex] = true;
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});
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return {
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name: patternName,
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steps: steps,
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notes: notes,
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pos: parseInt(patternNode.getAttribute("pos"), 10) || 0,
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};
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});
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} else {
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// Fallback: Nenhum pattern encontrado no XML, cria um padrão vazio
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patterns.push({
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name: "Pattern 0",
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steps: new Array(16).fill(false),
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notes: [],
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pos: 0
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});
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}
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// Lógica de Sample vs Plugin
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let finalSamplePath = null;
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let trackType = "plugin";
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if (instrumentName === "audiofileprocessor") {
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trackType = "sampler";
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const afpNode = instrumentNode.querySelector("audiofileprocessor");
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const sampleSrc = afpNode ? afpNode.getAttribute("src") : null;
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if (sampleSrc) {
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const filename = sampleSrc.split("/").pop();
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if (pathMap[filename]) {
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finalSamplePath = pathMap[filename];
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} else {
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let cleanSrc = sampleSrc.startsWith("samples/")
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? sampleSrc.substring("samples/".length)
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: sampleSrc;
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finalSamplePath = `${SAMPLE_SRC}/${cleanSrc}`;
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}
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}
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}
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const volFromFile = parseFloat(instrumentTrackNode.getAttribute("vol"));
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const panFromFile = parseFloat(instrumentTrackNode.getAttribute("pan"));
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const baseNoteFromFile = parseInt(instrumentTrackNode.getAttribute("basenote"), 10);
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const pitchFromFile = parseFloat(instrumentTrackNode.getAttribute("pitch"));
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const baseNote = !isNaN(baseNoteFromFile) ? baseNoteFromFile : 60; // fallback C4 (MIDI 60)
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const pitch = !isNaN(pitchFromFile) ? pitchFromFile : 0;
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return {
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id: Date.now() + Math.random(),
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name: trackName,
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type: trackType,
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samplePath: finalSamplePath,
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patterns,
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activePatternIndex: 0, // ✅ evita index undefined
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baseNote, // ✅ importante p/ sample pitch
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pitch, // (opcional p/ transposição depois)
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volume: !isNaN(volFromFile) ? volFromFile / 100 : DEFAULT_VOLUME,
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pan: !isNaN(panFromFile) ? panFromFile / 100 : DEFAULT_PAN,
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instrumentName,
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instrumentXml: instrumentNode.innerHTML,
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parentBasslineId,
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};
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}
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// =================================================================
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// 🔥 FUNÇÃO DE PARSING PRINCIPAL
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// =================================================================
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export async function parseMmpContent(xmlString) {
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resetProjectState();
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initializeAudioContext();
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appState.global.justReset = xmlString === DEFAULT_PROJECT_XML;
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const audioContainer = document.getElementById("audio-track-container");
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if (audioContainer) {
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audioContainer.innerHTML = "";
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}
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const parser = new DOMParser();
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const xmlDoc = parser.parseFromString(xmlString, "application/xml");
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appState.global.originalXmlDoc = xmlDoc;
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// Configuração Global (BPM, Compasso)
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const head = xmlDoc.querySelector("head");
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if (head) {
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const setVal = (id, attr, def) => {
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const el = document.getElementById(id);
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if (el) el.value = head.getAttribute(attr) || def;
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};
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setVal("bpm-input", "bpm", 140);
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setVal("compasso-a-input", "timesig_numerator", 4);
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setVal("compasso-b-input", "timesig_denominator", 4);
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}
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const pathMap = getSamplePathMap();
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// -------------------------------------------------------------
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// 2.1) EXTRAÇÃO DE SAMPLETRACKS DO SONG EDITOR (track[type="2"])
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// -------------------------------------------------------------
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const secondsPerStep = getSecondsPerStep(); // já é usado no JSON parser :contentReference[oaicite:3]{index=3}
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const sampleTrackNodes = Array.from(
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xmlDoc.querySelectorAll('song > trackcontainer > track[type="2"]')
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);
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sampleTrackNodes.forEach((node, idx) => {
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const trackName = node.getAttribute("name") || `Áudio ${idx + 1}`;
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// cria lane de áudio
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const trackId = `sample_lane_${Date.now()}_${idx}`;
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appState.audio.tracks.push({ id: trackId, name: trackName });
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// pan/vol defaults do <sampletrack>
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const st = node.querySelector("sampletrack");
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const laneVol = st ? Number(st.getAttribute("vol") ?? 100) / 100 : 1;
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const lanePan = st ? Number(st.getAttribute("pan") ?? 0) / 100 : 0;
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// cada <sampletco> é um clip
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const clips = Array.from(node.querySelectorAll(":scope > sampletco"));
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clips.forEach((c, cidx) => {
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// resolve caminho via manifest; fallback para /samples
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const src = c.getAttribute("src") || "";
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const fileName = src.split(/[\\/]/).pop(); // "sample.wav"
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const projectFolder = encodeURIComponent(lastFolder(src) || ""); // "project_name"
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const encodedFile = encodeURIComponent(fileName);
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// tenta pelo manifest primeiro
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let resolvedUrl = fileName ? pathMap[fileName] : null;
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// se o manifest não tiver ou não vier com /{project}/, monta no padrão do servidor
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if (!resolvedUrl || (projectFolder && !resolvedUrl.includes(`/${projectFolder}/`))) {
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resolvedUrl = projectFolder
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? `${SAMPLE_SRC}/samples/${projectFolder}/${encodedFile}`
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: null;
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}
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if (!resolvedUrl) return;
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const posTicks = Number(c.getAttribute("pos") || 0);
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const lenTicks = Number(c.getAttribute("len") || 0);
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const startSec = ((posTicks / 12) * secondsPerStep);
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const durSec = ((lenTicks / 12) * secondsPerStep);
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const clipId = `clip_${trackId}_${cidx}`;
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addAudioClipToTimeline(resolvedUrl, trackId, startSec, clipId, fileName);
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const muted = String(c.getAttribute("muted") ?? "0") === "1";
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updateAudioClipProperties(clipId, {
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durationInSeconds: durSec || 0,
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volume: muted ? 0 : laneVol,
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pan: isNaN(lanePan) ? 0 : lanePan,
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});
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});
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});
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// 1. Identifica colunas de beat/patterns (usado para mapear steps)
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// Normalmente ficam dentro do primeiro container de Bassline
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const bbTrackNodes = Array.from(xmlDoc.querySelectorAll('track[type="1"]'));
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// Cada BBTrack do Song Editor representa uma “coluna/pattern” (pos 0, 192, 384...)
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// então usamos o próprio array de BBTracks para nomear as patterns:
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const sortedBBTrackNameNodes = bbTrackNodes;
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// -------------------------------------------------------------
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// 2. EXTRAÇÃO DE INSTRUMENTOS DA RAIZ (SONG EDITOR)
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// -------------------------------------------------------------
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// Pega apenas os instrumentos que estão soltos no Song Editor (não dentro de BBTracks)
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const songInstrumentNodes = Array.from(
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xmlDoc.querySelectorAll('song > trackcontainer > track[type="0"]')
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);
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const songTracks = songInstrumentNodes
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.map((node) =>
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parseInstrumentNode(node, sortedBBTrackNameNodes, pathMap, null)
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) // null = Sem Pai
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.filter((t) => t !== null);
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// -------------------------------------------------------------
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// 3. EXTRAÇÃO DAS TRILHAS DE BASSLINE (BBTracks) E RACK COMPARTILHADO
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// -------------------------------------------------------------
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const bbRackNode = bbTrackNodes.find((n) =>
|
|
n.querySelector('bbtrack > trackcontainer > track[type="0"]')
|
|
);
|
|
|
|
// ID do rack compartilhado
|
|
const rackId = bbRackNode
|
|
? `bbRack_${Date.now()}_${Math.random().toString(36).slice(2)}`
|
|
: null;
|
|
|
|
// 3.2) Parseia instrumentos UMA vez (do rack)
|
|
let bbRackInstruments = [];
|
|
if (bbRackNode && rackId) {
|
|
const internalInstrumentNodes = Array.from(
|
|
bbRackNode.querySelectorAll('bbtrack > trackcontainer > track[type="0"]')
|
|
);
|
|
|
|
bbRackInstruments = internalInstrumentNodes
|
|
.map((node) =>
|
|
parseInstrumentNode(node, sortedBBTrackNameNodes, pathMap, rackId)
|
|
)
|
|
.filter((t) => t !== null);
|
|
}
|
|
|
|
// 3.3) Cria os containers “Caixa/Kick/…” como patterns (sem instrumentos próprios)
|
|
const basslineContainers = bbTrackNodes
|
|
.map((trackNode, idx) => {
|
|
const trackName = trackNode.getAttribute("name") || "Beat/Bassline";
|
|
|
|
const playlistClips = Array.from(
|
|
trackNode.querySelectorAll(":scope > bbtco")
|
|
).map((bbtco) => ({
|
|
pos: parseInt(bbtco.getAttribute("pos"), 10) || 0,
|
|
len: parseInt(bbtco.getAttribute("len"), 10) || 192,
|
|
name: trackName,
|
|
}));
|
|
|
|
if (playlistClips.length === 0) return null;
|
|
|
|
return {
|
|
id: `bassline_${Date.now()}_${Math.random().toString(36).slice(2)}`,
|
|
name: trackName,
|
|
type: "bassline",
|
|
playlist_clips: playlistClips,
|
|
|
|
// 🔥 importante: qual “coluna/pattern” este BBTrack representa
|
|
patternIndex: idx,
|
|
|
|
// 🔥 importante: de onde vêm os instrumentos
|
|
instrumentSourceId: rackId,
|
|
|
|
volume: 1,
|
|
pan: 0,
|
|
patterns: [],
|
|
isMuted: trackNode.getAttribute("muted") === "1",
|
|
};
|
|
})
|
|
.filter(Boolean);
|
|
|
|
// -------------------------------------------------------------
|
|
// 4. COMBINAÇÃO E FINALIZAÇÃO
|
|
// -------------------------------------------------------------
|
|
|
|
// A lista final plana contém:
|
|
// 1) Instrumentos do Song Editor
|
|
// 2) Instrumentos do rack compartilhado do Beat/Bassline Editor
|
|
// 3) Containers (Caixa/Kick/...) que só referenciam o rack
|
|
const newTracks = [
|
|
...songTracks,
|
|
...bbRackInstruments,
|
|
...basslineContainers,
|
|
];
|
|
|
|
// Inicializa áudio apenas para instrumentos reais
|
|
newTracks.forEach((track) => {
|
|
if (track.type !== "bassline") {
|
|
track.volumeNode = new Tone.Volume(Tone.gainToDb(track.volume));
|
|
track.pannerNode = new Tone.Panner(track.pan);
|
|
track.volumeNode.connect(track.pannerNode);
|
|
track.pannerNode.connect(getMainGainNode());
|
|
}
|
|
});
|
|
|
|
// Configura tamanho da timeline
|
|
let isFirstTrackWithNotes = true;
|
|
newTracks.forEach((track) => {
|
|
if (track.type === "bassline" || !isFirstTrackWithNotes) return;
|
|
|
|
const activePattern = track.patterns?.[track.activePatternIndex || 0];
|
|
if (!activePattern) return;
|
|
|
|
let bars = 1;
|
|
|
|
// ✅ Se tiver piano roll, calcula pelo final da última nota
|
|
if (activePattern.notes && activePattern.notes.length > 0) {
|
|
const TICKS_PER_BAR = 192; // LMMS 4/4
|
|
const TICKS_PER_STEP = 12; // 1/16
|
|
|
|
let maxEndTick = 0;
|
|
activePattern.notes.forEach((n) => {
|
|
const pos = parseInt(n.pos, 10) || 0;
|
|
const rawLen = parseInt(n.len, 10) || 0;
|
|
const len = rawLen < 0 ? TICKS_PER_STEP : rawLen; // fallback
|
|
maxEndTick = Math.max(maxEndTick, pos + Math.max(len, TICKS_PER_STEP));
|
|
});
|
|
|
|
bars = Math.max(1, Math.ceil(maxEndTick / TICKS_PER_BAR));
|
|
}
|
|
// ✅ Senão, cai no step sequencer normal
|
|
else if (activePattern.steps && activePattern.steps.length > 0) {
|
|
bars = Math.max(1, Math.ceil(activePattern.steps.length / 16));
|
|
}
|
|
|
|
const barsInput = document.getElementById("bars-input");
|
|
if (barsInput) barsInput.value = String(bars);
|
|
|
|
isFirstTrackWithNotes = false;
|
|
});
|
|
|
|
|
|
// Carrega samples/plugins
|
|
try {
|
|
const promises = newTracks
|
|
.filter((t) => t.type !== "bassline")
|
|
.map((track) => loadAudioForTrack(track));
|
|
await Promise.all(promises);
|
|
} catch (error) {
|
|
console.error("Erro ao carregar áudios:", error);
|
|
}
|
|
|
|
const patternNames = basslineContainers.map(b => b.name); // ["Caixa","Kick","Batida/Linha de Baixo 2",...]
|
|
|
|
newTracks.forEach(t => {
|
|
if (t.type === "bassline") return;
|
|
|
|
(t.patterns || []).forEach((p, idx) => {
|
|
if (patternNames[idx]) p.name = patternNames[idx];
|
|
});
|
|
});
|
|
|
|
// Atualiza estado global
|
|
appState.pattern.tracks = newTracks;
|
|
appState.pattern.focusedBasslineId = null; // Reseta o foco
|
|
|
|
const firstInst = newTracks.find((t) => t.type !== "bassline");
|
|
appState.pattern.activeTrackId = firstInst ? firstInst.id : null;
|
|
appState.pattern.activePatternIndex = 0;
|
|
|
|
loadStateFromSession();
|
|
|
|
await Promise.resolve();
|
|
renderAll();
|
|
}
|
|
|
|
// --------------------------------------------------------------
|
|
// GERAÇÃO DE ARQUIVO (EXPORT)
|
|
// --------------------------------------------------------------
|
|
|
|
export function generateMmpFile() {
|
|
if (appState.global.originalXmlDoc) {
|
|
modifyAndSaveExistingMmp();
|
|
} else {
|
|
generateNewMmp();
|
|
}
|
|
}
|
|
|
|
function generateXmlFromState() {
|
|
if (!appState.global.originalXmlDoc) {
|
|
const parser = new DOMParser();
|
|
appState.global.originalXmlDoc = parser.parseFromString(
|
|
DEFAULT_PROJECT_XML,
|
|
"application/xml"
|
|
);
|
|
}
|
|
|
|
const xmlDoc = appState.global.originalXmlDoc.cloneNode(true);
|
|
const head = xmlDoc.querySelector("head");
|
|
|
|
if (head) {
|
|
head.setAttribute("bpm", document.getElementById("bpm-input").value || 140);
|
|
head.setAttribute(
|
|
"num_bars",
|
|
document.getElementById("bars-input").value || 1
|
|
);
|
|
head.setAttribute(
|
|
"timesig_numerator",
|
|
document.getElementById("compasso-a-input").value || 4
|
|
);
|
|
head.setAttribute(
|
|
"timesig_denominator",
|
|
document.getElementById("compasso-b-input").value || 4
|
|
);
|
|
}
|
|
|
|
// Exportação Simplificada: Coloca todos os instrumentos reais no primeiro container
|
|
const bbTrackContainer = xmlDoc.querySelector(
|
|
'track[type="1"] > bbtrack > trackcontainer'
|
|
);
|
|
if (bbTrackContainer) {
|
|
bbTrackContainer
|
|
.querySelectorAll('track[type="0"]')
|
|
.forEach((node) => node.remove());
|
|
|
|
const tracksXml = appState.pattern.tracks
|
|
.filter((t) => t.type !== "bassline")
|
|
.map((track) => createTrackXml(track))
|
|
.join("");
|
|
|
|
const tempDoc = new DOMParser().parseFromString(
|
|
`<root>${tracksXml}</root>`,
|
|
"application/xml"
|
|
);
|
|
Array.from(tempDoc.documentElement.children).forEach((newTrackNode) => {
|
|
bbTrackContainer.appendChild(newTrackNode);
|
|
});
|
|
}
|
|
|
|
const serializer = new XMLSerializer();
|
|
return serializer.serializeToString(xmlDoc);
|
|
}
|
|
|
|
export function syncPatternStateToServer() {
|
|
if (!window.ROOM_NAME) return;
|
|
const currentXml = generateXmlFromState();
|
|
sendAction({ type: "SYNC_PATTERN_STATE", xml: currentXml });
|
|
saveStateToSession();
|
|
}
|
|
|
|
function createTrackXml(track) {
|
|
if (!track.patterns || track.patterns.length === 0) return "";
|
|
|
|
const ticksPerStep = 12; // 1 step (1/16) no LMMS = 12 ticks (com bar=192 em 4/4)
|
|
const lmmsVolume = Math.round(track.volume * 100);
|
|
const lmmsPan = Math.round(track.pan * 100);
|
|
|
|
const instrName = track.instrumentName || "kicker";
|
|
const instrXml =
|
|
track.instrumentXml ||
|
|
`<kicker><env amt="0" attack="0.01" hold="0.1" decay="0.1" release="0.1" sustain="0.5" sync_mode="0"/></kicker>`;
|
|
|
|
const patternsXml = track.patterns
|
|
.map((pattern) => {
|
|
let patternNotesXml = "";
|
|
|
|
if (
|
|
track.type === "plugin" &&
|
|
pattern.notes &&
|
|
pattern.notes.length > 0
|
|
) {
|
|
patternNotesXml = pattern.notes
|
|
.map(
|
|
(note) =>
|
|
`<note vol="${note.vol}" len="${note.len}" pos="${note.pos}" pan="${note.pan}" key="${note.key}"/>`
|
|
)
|
|
.join("\n ");
|
|
} else if (pattern.steps) {
|
|
patternNotesXml = pattern.steps
|
|
.map((isActive, index) => {
|
|
if (isActive) {
|
|
const notePos = Math.round(index * ticksPerStep);
|
|
return `<note vol="100" len="${NOTE_LENGTH}" pos="${notePos}" pan="0" key="57"/>`;
|
|
}
|
|
return "";
|
|
})
|
|
.join("\n ");
|
|
}
|
|
|
|
return `<pattern type="0" pos="${pattern.pos}" muted="0" steps="${
|
|
pattern.steps ? pattern.steps.length : 16
|
|
}" name="${pattern.name}">
|
|
${patternNotesXml}
|
|
</pattern>`;
|
|
})
|
|
.join("\n ");
|
|
|
|
return `
|
|
<track type="0" solo="0" muted="0" name="${track.name}">
|
|
<instrumenttrack vol="${lmmsVolume}" pitch="0" fxch="0" pitchrange="1" basenote="57" usemasterpitch="1" pan="${lmmsPan}">
|
|
<instrument name="${instrName}">
|
|
${instrXml}
|
|
</instrument>
|
|
<fxchain enabled="0" numofeffects="0"/>
|
|
</instrumenttrack>
|
|
${patternsXml}
|
|
</track>`;
|
|
}
|
|
|
|
function modifyAndSaveExistingMmp() {
|
|
const content = generateXmlFromState();
|
|
downloadFile(content, "projeto_editado.mmp");
|
|
}
|
|
|
|
function generateNewMmp() {
|
|
const content = generateXmlFromState();
|
|
downloadFile(content, "novo_projeto.mmp");
|
|
}
|
|
|
|
function downloadFile(content, fileName) {
|
|
const blob = new Blob([content], { type: "application/xml;charset=utf-8" });
|
|
const url = URL.createObjectURL(blob);
|
|
const a = document.createElement("a");
|
|
a.href = url;
|
|
a.download = fileName;
|
|
document.body.appendChild(a);
|
|
a.click();
|
|
document.body.removeChild(a);
|
|
URL.revokeObjectURL(url);
|
|
}
|
|
|
|
export { generateXmlFromState as generateXmlFromStateExported };
|