///
///
/**
* Phaser - Sound
*
* A Sound file, used by the Game.SoundManager for playback.
*/
module Phaser {
export class Sound {
/**
* Sound constructor
* @param context {object} The AudioContext instance.
* @param gainNode {object} Gain node instance.
* @param data {object} Sound data.
* @param [volume] {number} volume of this sound when playing.
* @param [loop] {boolean} loop this sound when playing? (Default to false)
*/
constructor(context, gainNode, data, volume?: number = 1, loop?: bool = false) {
this._context = context;
this._gainNode = gainNode;
this._buffer = data;
this._volume = volume;
this.loop = loop;
// Local volume control
if (this._context !== null)
{
this._localGainNode = this._context.createGainNode();
this._localGainNode.connect(this._gainNode);
this._localGainNode.gain.value = this._volume;
}
if (this._buffer === null)
{
this.isDecoding = true;
}
else
{
this.play();
}
}
/**
* Local private reference to AudioContext.
*/
private _context;
/**
* Reference to gain node of SoundManager.
*/
private _gainNode;
/**
* GainNode of this sound.
*/
private _localGainNode;
/**
* Decoded data buffer.
*/
private _buffer;
/**
* Volume of this sound.
*/
private _volume: number;
/**
* The real sound object (buffer source).
*/
private _sound;
private _muteVolume: number;
private _muted: bool = false;
loop: bool = false;
duration: number;
isPlaying: bool = false;
isDecoding: bool = false;
public setDecodedBuffer(data) {
this._buffer = data;
this.isDecoding = false;
//this.play();
}
/**
* Play this sound.
*/
public play() {
if (this._buffer === null || this.isDecoding === true)
{
return;
}
this._sound = this._context.createBufferSource();
this._sound.buffer = this._buffer;
this._sound.connect(this._localGainNode);
if (this.loop)
{
this._sound.loop = true;
}
this._sound.noteOn(0); // the zero is vitally important, crashes iOS6 without it
this.duration = this._sound.buffer.duration;
this.isPlaying = true;
}
/**
* Stop playing this sound.
*/
public stop() {
if (this.isPlaying === true)
{
this.isPlaying = false;
this._sound.noteOff(0);
}
}
/**
* Mute sounds.
*/
public get mute():bool {
return this._muted;
}
public set mute(value: bool) {
if (value && this._muted == false)
{
this._muteVolume = this._localGainNode.gain.value;
this._localGainNode.gain.value = 0;
this._muted = true;
}
else
{
this._localGainNode.gain.value = this._muteVolume;
this._muted = false;
}
}
public set volume(value: number) {
this._volume = value;
if (this._muted)
{
this._muteVolume = this._volume;
}
else
{
this._localGainNode.gain.value = this._volume;
}
}
public get volume(): number {
return this._volume;
}
}
}