553 lines
18 KiB
JavaScript
Executable File
553 lines
18 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 } 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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//--------------------------------------------------------------
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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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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: ${error.message}`);
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}
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}
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export async function loadProjectFromServer(fileName) {
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try {
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const response = await fetch(`src_mmpSearch/mmp/${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,
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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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// 1. Coleta TODOS os patterns reais dentro do XML do instrumento
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const allPatternsNodeList = trackNode.querySelectorAll("pattern");
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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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// 2. CORREÇÃO PRINCIPAL:
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// O loop deve ser baseado nos patterns existentes no XML, não nos blocos da timeline (bbtco).
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// Se não houver patterns no XML (instrumento vazio), criamos um array com 1 item para gerar o pattern default.
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const loopSource = allPatternsArray.length > 0 ? allPatternsArray : [null];
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const patterns = loopSource.map((patternNode, index) => {
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// Tenta pegar o nome do bloco correspondente na timeline, se existir, senão gera um genérico
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const bbTrackName =
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sortedBBTrackNameNodes[index] &&
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sortedBBTrackNameNodes[index].getAttribute("name")
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? sortedBBTrackNameNodes[index].getAttribute("name")
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: `Pattern ${index + 1}`;
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if (!patternNode) {
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return {
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name: bbTrackName,
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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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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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const ticksPerStep = 48; // 192 / 4
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patternNode.querySelectorAll("note").forEach((noteNode) => {
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const pos = parseInt(noteNode.getAttribute("pos"), 10);
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notes.push({
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pos: pos,
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len: parseInt(noteNode.getAttribute("len"), 10),
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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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// Calcula o step visual (para o beat editor)
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// Se o pos for > patternSteps * 48 (ex: compasso 2), precisamos normalizar se quisermos mostrar tudo junto
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// Mas para manter simples, pegamos o relativo:
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const relativePos = pos % (patternSteps * ticksPerStep);
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const stepIndex = Math.round(relativePos / ticksPerStep);
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if (stepIndex < patternSteps) steps[stepIndex] = true;
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});
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return {
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name: bbTrackName,
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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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// Lógica de Sample vs Plugin (mantida igual)
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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 = `src/samples/${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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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: patterns, // Agora contém TODAS as patterns (pos 0, 192, etc)
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activePatternIndex: 0,
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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: instrumentName,
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instrumentXml: instrumentNode.innerHTML,
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parentBasslineId: 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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// 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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let sortedBBTrackNameNodes = [];
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if (bbTrackNodes.length > 0) {
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sortedBBTrackNameNodes = Array.from(
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bbTrackNodes[0].querySelectorAll("bbtco")
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).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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}
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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 E SEUS FILHOS
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// -------------------------------------------------------------
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let allBasslineInstruments = [];
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const basslineContainers = bbTrackNodes
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.map((trackNode) => {
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const trackName = trackNode.getAttribute("name") || "Beat/Bassline";
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const containerId = `bassline_${Date.now()}_${Math.random()
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.toString(36)
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.substr(2, 9)}`;
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// A. Extrai os clipes da timeline (blocos azuis)
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const playlistClips = Array.from(
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trackNode.querySelectorAll(":scope > bbtco")
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).map((bbtco) => {
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return {
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pos: parseInt(bbtco.getAttribute("pos"), 10) || 0,
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len: parseInt(bbtco.getAttribute("len"), 10) || 192,
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name: trackName,
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};
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});
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// Se não tiver clipes, geralmente é container vazio, mas vamos criar mesmo assim
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if (playlistClips.length === 0) return null;
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// B. Extrai os instrumentos INTERNOS desta Bassline
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const internalInstrumentNodes = Array.from(
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trackNode.querySelectorAll('bbtrack > trackcontainer > track[type="0"]')
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);
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const internalInstruments = internalInstrumentNodes
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.map((node) =>
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parseInstrumentNode(
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node,
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sortedBBTrackNameNodes,
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pathMap,
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containerId
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)
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) // Passa ID do Pai
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.filter((t) => t !== null);
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// Acumula na lista geral de instrumentos
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allBasslineInstruments.push(...internalInstruments);
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return {
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id: containerId,
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name: trackName,
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type: "bassline", // Tipo especial para o audio_ui.js
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playlist_clips: playlistClips,
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instruments: internalInstruments, // Mantém referência
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volume: 1,
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pan: 0,
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patterns: [],
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isMuted: trackNode.getAttribute("muted") === "1",
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};
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})
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.filter((t) => t !== null);
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// -------------------------------------------------------------
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// 4. COMBINAÇÃO E FINALIZAÇÃO
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// -------------------------------------------------------------
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// A lista final plana contém TODOS:
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// 1. Instrumentos da Raiz
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// 2. Instrumentos dentro de Basslines
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// 3. As próprias Basslines (Containers)
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const newTracks = [
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...songTracks,
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...allBasslineInstruments,
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...basslineContainers,
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];
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// Inicializa áudio apenas para instrumentos reais
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newTracks.forEach((track) => {
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if (track.type !== "bassline") {
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track.volumeNode = new Tone.Volume(Tone.gainToDb(track.volume));
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track.pannerNode = new Tone.Panner(track.pan);
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track.volumeNode.connect(track.pannerNode);
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track.pannerNode.connect(getMainGainNode());
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}
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});
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// Configura tamanho da timeline
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let isFirstTrackWithNotes = true;
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newTracks.forEach((track) => {
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if (track.type !== "bassline" && isFirstTrackWithNotes) {
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const activePattern = track.patterns[track.activePatternIndex || 0];
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if (
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activePattern &&
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activePattern.steps &&
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activePattern.steps.length > 0
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) {
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const bars = Math.ceil(activePattern.steps.length / 16);
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const barsInput = document.getElementById("bars-input");
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if (barsInput) barsInput.value = bars > 0 ? bars : 1;
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isFirstTrackWithNotes = false;
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}
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}
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});
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// Carrega samples/plugins
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try {
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const promises = newTracks
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.filter((t) => t.type !== "bassline")
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.map((track) => loadAudioForTrack(track));
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await Promise.all(promises);
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} catch (error) {
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console.error("Erro ao carregar áudios:", error);
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}
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// Atualiza estado global
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appState.pattern.tracks = newTracks;
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appState.pattern.focusedBasslineId = null; // Reseta o foco
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const firstInst = newTracks.find((t) => t.type !== "bassline");
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appState.pattern.activeTrackId = firstInst ? firstInst.id : null;
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appState.pattern.activePatternIndex = 0;
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loadStateFromSession();
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await Promise.resolve();
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renderAll();
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}
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// --------------------------------------------------------------
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// GERAÇÃO DE ARQUIVO (EXPORT)
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// --------------------------------------------------------------
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export function generateMmpFile() {
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if (appState.global.originalXmlDoc) {
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modifyAndSaveExistingMmp();
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} else {
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generateNewMmp();
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}
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}
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function generateXmlFromState() {
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if (!appState.global.originalXmlDoc) {
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const parser = new DOMParser();
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appState.global.originalXmlDoc = parser.parseFromString(
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DEFAULT_PROJECT_XML,
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"application/xml"
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);
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}
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const xmlDoc = appState.global.originalXmlDoc.cloneNode(true);
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const head = xmlDoc.querySelector("head");
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if (head) {
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head.setAttribute("bpm", document.getElementById("bpm-input").value || 140);
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head.setAttribute(
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"num_bars",
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document.getElementById("bars-input").value || 1
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);
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head.setAttribute(
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"timesig_numerator",
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document.getElementById("compasso-a-input").value || 4
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);
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head.setAttribute(
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"timesig_denominator",
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document.getElementById("compasso-b-input").value || 4
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);
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}
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// Exportação Simplificada: Coloca todos os instrumentos reais no primeiro container
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const bbTrackContainer = xmlDoc.querySelector(
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'track[type="1"] > bbtrack > trackcontainer'
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);
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if (bbTrackContainer) {
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bbTrackContainer
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.querySelectorAll('track[type="0"]')
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.forEach((node) => node.remove());
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const tracksXml = appState.pattern.tracks
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.filter((t) => t.type !== "bassline")
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.map((track) => createTrackXml(track))
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.join("");
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const tempDoc = new DOMParser().parseFromString(
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`<root>${tracksXml}</root>`,
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"application/xml"
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);
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Array.from(tempDoc.documentElement.children).forEach((newTrackNode) => {
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bbTrackContainer.appendChild(newTrackNode);
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});
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}
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const serializer = new XMLSerializer();
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return serializer.serializeToString(xmlDoc);
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}
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export function syncPatternStateToServer() {
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if (!window.ROOM_NAME) return;
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const currentXml = generateXmlFromState();
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sendAction({ type: "SYNC_PATTERN_STATE", xml: currentXml });
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saveStateToSession();
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}
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function createTrackXml(track) {
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if (!track.patterns || track.patterns.length === 0) return "";
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const ticksPerStep = 48; // Sincronizado com o parsing
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const lmmsVolume = Math.round(track.volume * 100);
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const lmmsPan = Math.round(track.pan * 100);
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const instrName = track.instrumentName || "kicker";
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const instrXml =
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track.instrumentXml ||
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`<kicker><env amt="0" attack="0.01" hold="0.1" decay="0.1" release="0.1" sustain="0.5" sync_mode="0"/></kicker>`;
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const patternsXml = track.patterns
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.map((pattern) => {
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let patternNotesXml = "";
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if (
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track.type === "plugin" &&
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pattern.notes &&
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pattern.notes.length > 0
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) {
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patternNotesXml = pattern.notes
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.map(
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(note) =>
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`<note vol="${note.vol}" len="${note.len}" pos="${note.pos}" pan="${note.pan}" key="${note.key}"/>`
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)
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.join("\n ");
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} else if (pattern.steps) {
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patternNotesXml = pattern.steps
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.map((isActive, index) => {
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if (isActive) {
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const notePos = Math.round(index * ticksPerStep);
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return `<note vol="100" len="${NOTE_LENGTH}" pos="${notePos}" pan="0" key="57"/>`;
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}
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return "";
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})
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.join("\n ");
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}
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return `<pattern type="0" pos="${pattern.pos}" muted="0" steps="${
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pattern.steps ? pattern.steps.length : 16
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}" name="${pattern.name}">
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${patternNotesXml}
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</pattern>`;
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|
})
|
|
.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 };
|