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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "sound.h"
#include "log.h"
#ifdef __DEBUG
#include <iostream>
#endif
void Sound::init(int voices, int mod_voices)
{
if (isOk == 0) {
throw("Sound engine cannot be initialized twice!\n");
}
bgm = NULL;
int audio_rate = 44100;
Uint16 audio_format = AUDIO_S16; // 16-bit stereo
int audio_channels = 2;
int audio_buffers = 4096;
if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers)) {
#ifndef __DEBUG
throw("Unable to open audio device!\n");
#else
throw(Mix_GetError());
#endif
}
Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);
pan = 128;
items = -1;
isOk = 0;
log("Sound::Init() Initializing Sound");
}
void Sound::setVolume(int music)
{
if (isOk == -1)
return;
if (isMaxVol(music) == false) {
vol_music = music;
Mix_VolumeMusic(vol_music);
}
}
void Sound::adjustVolume(int amusic)
{
if (isOk == -1)
return;
if (!isMaxVol(vol_music + amusic)) {
vol_music += amusic;
Mix_VolumeMusic(vol_music);
}
}
void Sound::startBgm(char * in, int loop)
{
if (isOk == -1)
return;
if (bgm != NULL) {
stopBgm();
}
bgm = Mix_LoadMUS(in);
Mix_PlayMusic(bgm, loop);
#ifdef __DEBUG
std::cout << "Sound::startBgm() Playing \"" << in << "\" " << loop << " times\n";
#endif
}
void Sound::stopBgm()
{
if (isOk == -1) {
return;
}
#ifdef __DEBUG
std::cout << "Sound::stopBgm()\n";
#endif
if (bgm != NULL) {
Mix_HaltMusic();
Mix_FreeMusic(bgm);
bgm = NULL;
}
}
SOUND_SID Sound::loadItem(char *fpath)
{
#ifdef __DEBUG
std::cout << "Sound::loadItem() precaching \"" << fpath << "\"\n";
#endif
Mix_Chunk *newItem;
if ((newItem = Mix_LoadWAV(fpath))) {
soundpool[++items] = newItem;
#ifdef __DEBUG
std::cout << "Sound::loadItem() success SOUND_SID = " << items << std::endl;
#endif
return items;
}
return 0;
}
void Sound::startItem(SOUND_SID id, int volume)
{
if (soundpool[id]) {
#ifdef __DEBUG
std::cout << "Sound::startItem() playing SOUND_SID = " << id << std::endl;
#endif
Mix_VolumeChunk(soundpool[id], volume);
Mix_PlayChannel(-1, soundpool[id], 0);
}
}
void Sound::clearCache()
{
for(SOUND_SID i = 0; i == items; i++) {
Mix_FreeChunk(soundpool[i]);
soundpool[i] = NULL;
}
soundpool.clear();
#ifdef __DEBUG
std::cout << "Sound::clearCache() wiped all items off the cache\n";
#endif
}
void Sound::close()
{
isOk = -1;
clearCache();
Mix_CloseAudio();
log("Sound::close() shutting down Sound");
}
bool Sound::isMaxVol(int vol)
{
if (vol > 0 && vol < 128) return false;
else return true;
}
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