001    package net.minecraft.src;
002    
003    import net.minecraftforge.client.*;
004    import net.minecraftforge.client.event.sound.*;
005    import net.minecraftforge.common.MinecraftForge;
006    import static net.minecraftforge.client.event.sound.SoundEvent.*;
007    import cpw.mods.fml.common.Side;
008    import cpw.mods.fml.common.asm.SideOnly;
009    import java.io.File;
010    import java.util.HashSet;
011    import java.util.Iterator;
012    import java.util.Random;
013    import java.util.Set;
014    import paulscode.sound.SoundSystem;
015    import paulscode.sound.SoundSystemConfig;
016    import paulscode.sound.codecs.CodecJOrbis;
017    import paulscode.sound.codecs.CodecWav;
018    import paulscode.sound.libraries.LibraryLWJGLOpenAL;
019    
020    @SideOnly(Side.CLIENT)
021    public class SoundManager
022    {
023        /** A reference to the sound system. */
024        public static SoundSystem sndSystem;
025    
026        /** Sound pool containing sounds. */
027        public SoundPool soundPoolSounds = new SoundPool();
028    
029        /** Sound pool containing streaming audio. */
030        public SoundPool soundPoolStreaming = new SoundPool();
031    
032        /** Sound pool containing music. */
033        public SoundPool soundPoolMusic = new SoundPool();
034    
035        /**
036         * The last ID used when a sound is played, passed into SoundSystem to give active sounds a unique ID
037         */
038        private int latestSoundID = 0;
039    
040        /** A reference to the game settings. */
041        private GameSettings options;
042    
043        /** Identifiers of all currently playing sounds. Type: HashSet<String> */
044        private Set playingSounds = new HashSet();
045    
046        /** Set to true when the SoundManager has been initialised. */
047        private static boolean loaded = false;
048    
049        /** RNG. */
050        private Random rand = new Random();
051        private int ticksBeforeMusic;
052    
053        public static int MUSIC_INTERVAL = 12000;
054    
055        public SoundManager()
056        {
057            this.ticksBeforeMusic = this.rand.nextInt(MUSIC_INTERVAL);
058        }
059    
060        /**
061         * Used for loading sound settings from GameSettings
062         */
063        public void loadSoundSettings(GameSettings par1GameSettings)
064        {
065            this.soundPoolStreaming.isGetRandomSound = false;
066            this.options = par1GameSettings;
067    
068            if (!loaded && (par1GameSettings == null || par1GameSettings.soundVolume != 0.0F || par1GameSettings.musicVolume != 0.0F))
069            {
070                this.tryToSetLibraryAndCodecs();
071            }
072            ModCompatibilityClient.audioModLoad(this);
073            MinecraftForge.EVENT_BUS.post(new SoundLoadEvent(this));
074        }
075    
076        /**
077         * Tries to add the paulscode library and the relevant codecs. If it fails, the volumes (sound and music) will be
078         * set to zero in the options file.
079         */
080        private void tryToSetLibraryAndCodecs()
081        {
082            try
083            {
084                float var1 = this.options.soundVolume;
085                float var2 = this.options.musicVolume;
086                this.options.soundVolume = 0.0F;
087                this.options.musicVolume = 0.0F;
088                this.options.saveOptions();
089                SoundSystemConfig.addLibrary(LibraryLWJGLOpenAL.class);
090                SoundSystemConfig.setCodec("ogg", CodecJOrbis.class);
091                SoundSystemConfig.setCodec("mus", CodecMus.class);
092                SoundSystemConfig.setCodec("wav", CodecWav.class);
093                ModCompatibilityClient.audioModAddCodecs();
094                MinecraftForge.EVENT_BUS.post(new SoundSetupEvent(this));
095                sndSystem = new SoundSystem();
096                this.options.soundVolume = var1;
097                this.options.musicVolume = var2;
098                this.options.saveOptions();
099            }
100            catch (Throwable var3)
101            {
102                var3.printStackTrace();
103                System.err.println("error linking with the LibraryJavaSound plug-in");
104            }
105    
106            loaded = true;
107        }
108    
109        /**
110         * Called when one of the sound level options has changed.
111         */
112        public void onSoundOptionsChanged()
113        {
114            if (!loaded && (this.options.soundVolume != 0.0F || this.options.musicVolume != 0.0F))
115            {
116                this.tryToSetLibraryAndCodecs();
117            }
118    
119            if (loaded)
120            {
121                if (this.options.musicVolume == 0.0F)
122                {
123                    sndSystem.stop("BgMusic");
124                }
125                else
126                {
127                    sndSystem.setVolume("BgMusic", this.options.musicVolume);
128                }
129            }
130        }
131    
132        /**
133         * Called when Minecraft is closing down.
134         */
135        public void closeMinecraft()
136        {
137            if (loaded)
138            {
139                sndSystem.cleanup();
140            }
141        }
142    
143        /**
144         * Adds a sounds with the name from the file. Args: name, file
145         */
146        public void addSound(String par1Str, File par2File)
147        {
148            this.soundPoolSounds.addSound(par1Str, par2File);
149        }
150    
151        /**
152         * Adds an audio file to the streaming SoundPool.
153         */
154        public void addStreaming(String par1Str, File par2File)
155        {
156            this.soundPoolStreaming.addSound(par1Str, par2File);
157        }
158    
159        /**
160         * Adds an audio file to the music SoundPool.
161         */
162        public void addMusic(String par1Str, File par2File)
163        {
164            this.soundPoolMusic.addSound(par1Str, par2File);
165        }
166    
167        /**
168         * If its time to play new music it starts it up.
169         */
170        public void playRandomMusicIfReady()
171        {
172            if (loaded && this.options.musicVolume != 0.0F)
173            {
174                if (!sndSystem.playing("BgMusic") && !sndSystem.playing("streaming"))
175                {
176                    if (this.ticksBeforeMusic > 0)
177                    {
178                        --this.ticksBeforeMusic;
179                        return;
180                    }
181    
182                    SoundPoolEntry var1 = this.soundPoolMusic.getRandomSound();
183                    var1 = ModCompatibilityClient.audioModPickBackgroundMusic(this, var1);
184                    var1 = SoundEvent.getResult(new PlayBackgroundMusicEvent(this, var1));
185    
186                    if (var1 != null)
187                    {
188                        this.ticksBeforeMusic = this.rand.nextInt(MUSIC_INTERVAL) + MUSIC_INTERVAL;
189                        sndSystem.backgroundMusic("BgMusic", var1.soundUrl, var1.soundName, false);
190                        sndSystem.setVolume("BgMusic", this.options.musicVolume);
191                        sndSystem.play("BgMusic");
192                    }
193                }
194            }
195        }
196    
197        /**
198         * Sets the listener of sounds
199         */
200        public void setListener(EntityLiving par1EntityLiving, float par2)
201        {
202            if (loaded && this.options.soundVolume != 0.0F)
203            {
204                if (par1EntityLiving != null)
205                {
206                    float var3 = par1EntityLiving.prevRotationYaw + (par1EntityLiving.rotationYaw - par1EntityLiving.prevRotationYaw) * par2;
207                    double var4 = par1EntityLiving.prevPosX + (par1EntityLiving.posX - par1EntityLiving.prevPosX) * (double)par2;
208                    double var6 = par1EntityLiving.prevPosY + (par1EntityLiving.posY - par1EntityLiving.prevPosY) * (double)par2;
209                    double var8 = par1EntityLiving.prevPosZ + (par1EntityLiving.posZ - par1EntityLiving.prevPosZ) * (double)par2;
210                    float var10 = MathHelper.cos(-var3 * 0.017453292F - (float)Math.PI);
211                    float var11 = MathHelper.sin(-var3 * 0.017453292F - (float)Math.PI);
212                    float var12 = -var11;
213                    float var13 = 0.0F;
214                    float var14 = -var10;
215                    float var15 = 0.0F;
216                    float var16 = 1.0F;
217                    float var17 = 0.0F;
218                    sndSystem.setListenerPosition((float)var4, (float)var6, (float)var8);
219                    sndSystem.setListenerOrientation(var12, var13, var14, var15, var16, var17);
220                }
221            }
222        }
223    
224        /**
225         * Stops all currently playing sounds
226         */
227        public void stopAllSounds()
228        {
229            Iterator var1 = this.playingSounds.iterator();
230    
231            while (var1.hasNext())
232            {
233                String var2 = (String)var1.next();
234                sndSystem.stop(var2);
235            }
236    
237            this.playingSounds.clear();
238        }
239    
240        public void playStreaming(String par1Str, float par2, float par3, float par4)
241        {
242            if (loaded && (this.options.soundVolume != 0.0F || par1Str == null))
243            {
244                String var5 = "streaming";
245    
246                if (sndSystem.playing(var5))
247                {
248                    sndSystem.stop(var5);
249                }
250    
251                if (par1Str != null)
252                {
253                    SoundPoolEntry var6 = this.soundPoolStreaming.getRandomSoundFromSoundPool(par1Str);
254                    var6 = SoundEvent.getResult(new PlayStreamingEvent(this, var6, par1Str, par2, par3, par4));
255    
256                    if (var6 != null)
257                    {
258                        if (sndSystem.playing("BgMusic"))
259                        {
260                            sndSystem.stop("BgMusic");
261                        }
262    
263                        float var7 = 16.0F;
264                        sndSystem.newStreamingSource(true, var5, var6.soundUrl, var6.soundName, false, par2, par3, par4, 2, var7 * 4.0F);
265                        sndSystem.setVolume(var5, 0.5F * this.options.soundVolume);
266                        MinecraftForge.EVENT_BUS.post(new PlayStreamingSourceEvent(this, var5, par2, par3, par4));
267                        sndSystem.play(var5);
268                    }
269                }
270            }
271        }
272    
273        /**
274         * Updates the sound associated with the entity with that entity's position and velocity. Args: the entity
275         */
276        public void updateSoundLocation(Entity par1Entity)
277        {
278            this.updateSoundLocation(par1Entity, par1Entity);
279        }
280    
281        /**
282         * Updates the sound associated with soundEntity with the position and velocity of trackEntity. Args: soundEntity,
283         * trackEntity
284         */
285        public void updateSoundLocation(Entity par1Entity, Entity par2Entity)
286        {
287            String var3 = "entity_" + par1Entity.entityId;
288    
289            if (this.playingSounds.contains(var3))
290            {
291                if (sndSystem.playing(var3))
292                {
293                    sndSystem.setPosition(var3, (float)par2Entity.posX, (float)par2Entity.posY, (float)par2Entity.posZ);
294                    sndSystem.setVelocity(var3, (float)par2Entity.motionX, (float)par2Entity.motionY, (float)par2Entity.motionZ);
295                }
296                else
297                {
298                    this.playingSounds.remove(var3);
299                }
300            }
301        }
302    
303        /**
304         * Returns true if a sound is currently associated with the given entity, or false otherwise.
305         */
306        public boolean isEntitySoundPlaying(Entity par1Entity)
307        {
308            if (par1Entity != null && loaded && this.options.musicVolume != 0.0F)
309            {
310                String var2 = "entity_" + par1Entity.entityId;
311                return sndSystem.playing(var2);
312            }
313            else
314            {
315                return false;
316            }
317        }
318    
319        /**
320         * Stops playing the sound associated with the given entity
321         */
322        public void stopEntitySound(Entity par1Entity)
323        {
324            if (par1Entity != null && loaded && this.options.musicVolume != 0.0F)
325            {
326                String var2 = "entity_" + par1Entity.entityId;
327    
328                if (this.playingSounds.contains(var2))
329                {
330                    if (sndSystem.playing(var2))
331                    {
332                        sndSystem.stop(var2);
333                    }
334    
335                    this.playingSounds.remove(var2);
336                }
337            }
338        }
339    
340        /**
341         * Sets the volume of the sound associated with the given entity, if one is playing. The volume is scaled by the
342         * global sound volume. Args: the entity, the volume (from 0 to 1)
343         */
344        public void setEntitySoundVolume(Entity par1Entity, float par2)
345        {
346            if (par1Entity != null && loaded && this.options.musicVolume != 0.0F)
347            {
348                if (loaded && this.options.soundVolume != 0.0F)
349                {
350                    String var3 = "entity_" + par1Entity.entityId;
351    
352                    if (sndSystem.playing(var3))
353                    {
354                        sndSystem.setVolume(var3, par2 * this.options.soundVolume);
355                    }
356                }
357            }
358        }
359    
360        /**
361         * Sets the pitch of the sound associated with the given entity, if one is playing. Args: the entity, the pitch
362         */
363        public void setEntitySoundPitch(Entity par1Entity, float par2)
364        {
365            if (par1Entity != null && loaded && this.options.musicVolume != 0.0F)
366            {
367                if (loaded && this.options.soundVolume != 0.0F)
368                {
369                    String var3 = "entity_" + par1Entity.entityId;
370    
371                    if (sndSystem.playing(var3))
372                    {
373                        sndSystem.setPitch(var3, par2);
374                    }
375                }
376            }
377        }
378    
379        /**
380         * If a sound is already playing from the given entity, update the position and velocity of that sound to match the
381         * entity. Otherwise, start playing a sound from that entity. Args: The sound name, the entity, the volume, the
382         * pitch, unknown flag
383         */
384        public void playEntitySound(String par1Str, Entity par2Entity, float par3, float par4, boolean par5)
385        {
386            if (par2Entity != null)
387            {
388                if (loaded && (this.options.soundVolume != 0.0F || par1Str == null))
389                {
390                    String var6 = "entity_" + par2Entity.entityId;
391    
392                    if (this.playingSounds.contains(var6))
393                    {
394                        this.updateSoundLocation(par2Entity);
395                    }
396                    else
397                    {
398                        if (sndSystem.playing(var6))
399                        {
400                            sndSystem.stop(var6);
401                        }
402    
403                        if (par1Str == null)
404                        {
405                            return;
406                        }
407    
408                        SoundPoolEntry var7 = this.soundPoolSounds.getRandomSoundFromSoundPool(par1Str);
409    
410                        if (var7 != null && par3 > 0.0F)
411                        {
412                            float var8 = 16.0F;
413    
414                            if (par3 > 1.0F)
415                            {
416                                var8 *= par3;
417                            }
418    
419                            sndSystem.newSource(par5, var6, var7.soundUrl, var7.soundName, false, (float)par2Entity.posX, (float)par2Entity.posY, (float)par2Entity.posZ, 2, var8);
420                            sndSystem.setLooping(var6, true);
421                            sndSystem.setPitch(var6, par4);
422    
423                            if (par3 > 1.0F)
424                            {
425                                par3 = 1.0F;
426                            }
427    
428                            sndSystem.setVolume(var6, par3 * this.options.soundVolume);
429                            sndSystem.setVelocity(var6, (float)par2Entity.motionX, (float)par2Entity.motionY, (float)par2Entity.motionZ);
430                            sndSystem.play(var6);
431                            this.playingSounds.add(var6);
432                        }
433                    }
434                }
435            }
436        }
437    
438        /**
439         * Plays a sound. Args: soundName, x, y, z, volume, pitch
440         */
441        public void playSound(String par1Str, float par2, float par3, float par4, float par5, float par6)
442        {
443            if (loaded && this.options.soundVolume != 0.0F)
444            {
445                SoundPoolEntry var7 = this.soundPoolSounds.getRandomSoundFromSoundPool(par1Str);
446                var7 = SoundEvent.getResult(new PlaySoundEvent(this, var7, par1Str, par2, par3, par4, par5, par6));
447    
448                if (var7 != null && par5 > 0.0F)
449                {
450                    this.latestSoundID = (this.latestSoundID + 1) % 256;
451                    String var8 = "sound_" + this.latestSoundID;
452                    float var9 = 16.0F;
453    
454                    if (par5 > 1.0F)
455                    {
456                        var9 *= par5;
457                    }
458    
459                    sndSystem.newSource(par5 > 1.0F, var8, var7.soundUrl, var7.soundName, false, par2, par3, par4, 2, var9);
460                    sndSystem.setPitch(var8, par6);
461    
462                    if (par5 > 1.0F)
463                    {
464                        par5 = 1.0F;
465                    }
466    
467                    sndSystem.setVolume(var8, par5 * this.options.soundVolume);
468                    MinecraftForge.EVENT_BUS.post(new PlaySoundSourceEvent(this, var8, par2, par3, par4));
469                    sndSystem.play(var8);
470                }
471            }
472        }
473    
474        /**
475         * Plays a sound effect with the volume and pitch of the parameters passed. The sound isn't affected by position of
476         * the player (full volume and center balanced)
477         */
478        public void playSoundFX(String par1Str, float par2, float par3)
479        {
480            if (loaded && this.options.soundVolume != 0.0F)
481            {
482                SoundPoolEntry var4 = this.soundPoolSounds.getRandomSoundFromSoundPool(par1Str);
483                var4 = SoundEvent.getResult(new PlaySoundEffectEvent(this, var4, par1Str, par2, par3));
484    
485                if (var4 != null)
486                {
487                    this.latestSoundID = (this.latestSoundID + 1) % 256;
488                    String var5 = "sound_" + this.latestSoundID;
489                    sndSystem.newSource(false, var5, var4.soundUrl, var4.soundName, false, 0.0F, 0.0F, 0.0F, 0, 0.0F);
490    
491                    if (par2 > 1.0F)
492                    {
493                        par2 = 1.0F;
494                    }
495    
496                    par2 *= 0.25F;
497                    sndSystem.setPitch(var5, par3);
498                    sndSystem.setVolume(var5, par2 * this.options.soundVolume);
499                    MinecraftForge.EVENT_BUS.post(new PlaySoundEffectSourceEvent(this, var5));
500                    sndSystem.play(var5);
501                }
502            }
503        }
504    
505        /**
506         * Pauses all currently playing sounds
507         */
508        public void pauseAllSounds()
509        {
510            Iterator var1 = this.playingSounds.iterator();
511    
512            while (var1.hasNext())
513            {
514                String var2 = (String)var1.next();
515                sndSystem.pause(var2);
516            }
517        }
518    
519        /**
520         * Resumes playing all currently playing sounds (after pauseAllSounds)
521         */
522        public void resumeAllSounds()
523        {
524            Iterator var1 = this.playingSounds.iterator();
525    
526            while (var1.hasNext())
527            {
528                String var2 = (String)var1.next();
529                sndSystem.play(var2);
530            }
531        }
532    }