133 lines
3.9 KiB
JavaScript
133 lines
3.9 KiB
JavaScript
//"use strict";
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var LibraryDLM = {
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$DLM: {
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audioCtx: null,
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audioBuffer: [],
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audioSources: [],
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bgmPlayer: null,
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currentBgm: 0,
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},
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sound_init: function() {
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var audioCtx;
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try {
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audioCtx = new (window.AudioContext || window.webkitAudioContext)();
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}
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catch (e) {
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}
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if (audioCtx) {
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DLM.audioCtx = audioCtx;
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// Old Web Audio API (e.g. Safari 6.0.5) had an inconsistently named createGainNode function.
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if (typeof (audioCtx.createGain) === 'undefined') audioCtx.createGain = audioCtx.createGainNode;
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var loadAudio = function (id, url) {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.responseType = 'arraybuffer';
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xhr.onload = function (e) {
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audioCtx.decodeAudioData(this.response, function (buffer) {
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DLM.audioBuffer[id] = buffer;
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});
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};
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xhr.send();
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}
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loadAudio(1, 'bgm/se1.mp3');
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loadAudio(2, 'bgm/se2.mp3');
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}
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var player = document.createElement("AUDIO");
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if (player) {
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player.volume = 0.5;
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DLM.bgmPlayer = player;
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}
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},
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soundplay: function(x) {
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var i = 0;
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var s = 0;
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var d = 0;
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switch (x) {
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case 1: i = 1; s = 0.000; d = 0.641; break;
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case 3: i = 1; s = 0.700; d = 0.432; break;
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case 4: i = 1; s = 1.200; d = 0.928; break;
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case 5: i = 1; s = 2.200; d = 0.458; break;
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case 6: i = 1; s = 2.700; d = 0.249; break;
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case 7: i = 1; s = 3.000; d = 0.928; break;
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case 8: i = 1; s = 4.000; d = 0.928; break;
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case 9: i = 1; s = 5.000; d = 0.928; break;
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case 10: i = 1; s = 6.000; d = 0.432; break;
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case 11: i = 1; s = 6.500; d = 6.936; break;
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case 12: i = 1; s = 13.500; d = 3.253; break;
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case 13: i = 2; s = 0.000; d = 0.275; break;
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case 14: i = 2; s = 0.300; d = 0.118; break;
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case 15: i = 2; s = 0.500; d = 0.797; break;
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case 16: i = 2; s = 1.400; d = 4.428; break;
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case 17: i = 2; s = 5.900; d = 6.936; break;
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case 18: i = 2; s = 13.000; d = 1.476; break;
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}
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if (i > 0) {
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var audioCtx = DLM.audioCtx;
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if (audioCtx == null)
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return;
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var source = audioCtx.createBufferSource();
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source.buffer = DLM.audioBuffer[i];
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source.connect(audioCtx.destination);
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source.start(0, s, d);
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source.onended = function () {
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if (DLM.audioSources[x] == source) {
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DLM.audioSources[x] = null;
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}
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}
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DLM.audioSources[x] = source;
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}
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},
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soundstop: function(x) {
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var s = DLM.audioSources[x];
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if (s) {
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s.stop();
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DLM.audioSources[x] = null;
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}
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},
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soundcheck: function(x) {
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return DLM.audioSources[x] != null;
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},
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bgmchange: function (x) {
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DLM.currentBgm = x;
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},
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bgmstop: function (x) {
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if (DLM.bgmPlayer) {
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DLM.bgmPlayer.pause();
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}
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},
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bgmplay: function(x) {
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var player = DLM.bgmPlayer;
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if (!player) return;
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switch (DLM.currentBgm) {
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case 100: player.src = "bgm/field.mp3"; break;
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case 103: player.src = "bgm/dungeon.mp3"; break;
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case 104: player.src = "bgm/star4.mp3"; break;
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case 105: player.src = "bgm/castle.mp3"; break;
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case 106: player.src = "bgm/puyo.mp3"; break;
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default: return;
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}
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player.loop = true;
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player.play();
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}
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};
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autoAddDeps(LibraryDLM, '$DLM');
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mergeInto(LibraryManager.library, LibraryDLM);
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