// Description:
//   Sample Manager.
//
// Copyright (C) 2001 Frank Becker
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation;  either version 2 of the License,  or (at your option) any  later
// version.
//
// This program is distributed in the hope that it will be useful,  but  WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
//
#include "SDL_mixer.h"

#include <Trace.hpp>
#include <SampleManager.hpp>

#include <ResourceManager.hpp>
#include <zrwops.hpp>

SampleManager::SampleManager( void)
{
    XTRACE();
}

SampleManager::~SampleManager()
{
    //need to override base destructor behaviour, since we need
    //to Mix_FreeChunk not delete.
    
    hash_map< string, Mix_Chunk*, hash<string> >::const_iterator ci;
    for( ci=_resourceMap.begin(); ci!=_resourceMap.end(); ci++)
    {
	Mix_Chunk *res = ci->second;
	Mix_FreeChunk( res);
    }
    _resourceMap.clear();
}

Mix_Chunk *SampleManager::load( const string &wav)
{
    XTRACE();
    if( !ResourceManagerS::instance()->selectResource( wav))
    {
        LOG_ERROR << "Wav file [" << wav << "] not found." << endl;
        return 0;
    }

    ziStream &infile = ResourceManagerS::instance()->getInputStream();
    SDL_RWops *src = RWops_from_ziStream( infile);

    Mix_Chunk *mix = Mix_LoadWAV_RW(src, 0);
    if( !mix)
    { 
        LOG_ERROR << "Failed to load wav: [" << wav << "]" << endl;
        LOG_ERROR << SDL_GetError() << endl;
        return 0;
    }
    SDL_RWclose( src);

    return mix;
}