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/home/rdbrown/doxygen/cse125g1/src/modules/audio/BufferManager.cpp

/*
 *  BufferManager.cpp
 *  MMAudio
 *
 *  Created by Rib Rdb on 4/8/05.
 *  Copyright 2005 __MyCompanyName__. All rights reserved.
 *
 */

#include "BufferManager.h"
#include "resources/resources.h"

namespace MMAudio {
    vector<const char*> soundfiles;
    hash_map<unsigned int, ALuint> buffers;
    
    static ALuint bufferSound(unsigned int id) {
            ALLock lock;
        ALsizei size, freq;
        ALenum format;
        ALvoid *data;
        ALboolean loop;
        audioResetAlErrors();
        ALbyte* name = (ALbyte*)resFindResource(soundfiles.at(id));

#ifdef __APPLE__
        alutLoadWAVFile(name, &format, &data, &size, &freq);
#elif _WIN32
        alutLoadWAVFile(name, &format, &data, &size, &freq, &loop);
#else
        alutLoadWAVFile(name, &format, &data, &size, &freq, &loop);
#endif        


        audioCheckAlErrors();
        
        ALuint buffername;
        audioResetAlErrors();
        alGenBuffers(1,&buffername);
        audioCheckAlErrors();
        
        audioResetAlErrors();
        alBufferData(buffername,format,data,size,freq);
        audioCheckAlErrors();
        
        audioResetAlErrors();
        alutUnloadWAV(format,data,size,freq);
        audioCheckAlErrors();
        
                buffers[id] = buffername;

        return buffername;
    }
    
    void addSoundFiles(const char * const * names, int count) {
        const char * const * end = names + count;
        while (names < end)
            soundfiles.push_back(*(names++));
    }
    
    void addSoundFile(const char * name) {
        soundfiles.push_back(name);
    }
    
    ALuint getBufferForSound(unsigned int name) {
        if (buffers.count(name) == 0)
            return bufferSound(name);
        return buffers[name];
    }

}

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