sparrowSound.c

 /* This file is part of sparrow3d.
  * Sparrow3d 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.
  * 
  * Sparrow3d 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 Foobar.  If not, see <http://www.gnu.org/licenses/>
  * 
  * For feedback and questions about my Files and Projects please mail me,
  * Alexander Matthes (Ziz) , zizsdl_at_googlemail.com */

#include "sparrowSound.h"

int spSoundIsInitialized = 0;
int spNoSoundAvaible = 1;
Mix_Music *spBackgroundMusic = NULL;
int spMusicVolume = SP_VOLUME_MAX;
int spSoundVolume = SP_VOLUME_MAX;
int spSoundInPause = 0;

PREFIX int spSoundInit( void )
{
	if (spSoundIsInitialized)
		return !spNoSoundAvaible;
	spSoundIsInitialized = 1;
	// load support for the OGG and MOD sample/music formats
	#if (SDL_MIXER_PATCHLEVEL >= 10)
		int result = Mix_Init(MIX_INIT_OGG | MIX_INIT_MP3 | MIX_INIT_FLAC | MIX_INIT_MOD);
		if(result & MIX_INIT_OGG)
			printf("Support for ogg: Yes\n");
		else
			printf("Support for ogg: No (%s)\n",Mix_GetError());
		if(result & MIX_INIT_MP3)
			printf("Support for mp3: Yes\n");
		else
			printf("Support for mp3: No (%s)\n",Mix_GetError());
		if(result & MIX_INIT_FLAC)
			printf("Support for flac: Yes\n");
		else
			printf("Support for flac: No (%s)\n",Mix_GetError());
		if(result & MIX_INIT_MOD)
			printf("Support for mod: Yes\n");
		else
			printf("Support for mod: No (%s)\n",Mix_GetError());
	#endif
	if (!
	#ifdef F100
		Mix_OpenAudio(44100,AUDIO_S16SYS,2,256)
	#else
		Mix_OpenAudio(44100,AUDIO_S16SYS,2,2048)
	#endif
	)
	{
		printf("Try to open Sound: Success\n");
		printf("  %i channels are avaible as default\n",Mix_AllocateChannels(-1));
		spNoSoundAvaible = 0;
	}
	else
	{
		printf("Try to open Sound: Failed\n");
		spNoSoundAvaible = 1;
	}
	spSoundSetMusicVolume(spMusicVolume);
	spSoundSetVolume(spSoundVolume);
	return !spNoSoundAvaible;
}

PREFIX void spSoundSetChannels(int channels)
{
	Mix_AllocateChannels(channels);
}

PREFIX void spSoundPauseAll(int pause)
{
	if (spNoSoundAvaible)
		return;	
	if (pause && !spSoundInPause)
	{
		if (spBackgroundMusic)
			Mix_PauseMusic();
		Mix_Pause(-1);
		spSoundInPause = 1;
	}
	else
	if (!pause && spSoundInPause)
	{
		if (spBackgroundMusic)
			Mix_ResumeMusic();
		Mix_Resume(-1);
		spSoundInPause = 0;
	}
}

PREFIX spSound* spSoundLoad(char* filename)
{
	if (spNoSoundAvaible)
		return NULL;
  spSound* sound = Mix_LoadWAV(filename);
  if (!sound)
    printf("Failed loading \"%s\" because %s\n", filename, Mix_GetError());
  return sound;
}

PREFIX int spSoundPlay(spSound* sound,int channel,int loops,int fadeIn,int maxTime)
{
	if (spNoSoundAvaible && !sound)
		return 0;
	Mix_VolumeChunk(sound,spSoundVolume);
	int result;
	if (fadeIn > 0)
	{
		if (maxTime >= 0)
			result = Mix_FadeInChannelTimed(channel, sound,loops,fadeIn,maxTime);
		else
			result = Mix_FadeInChannel(channel, sound,loops,fadeIn);
	}
	else
	{
		if (maxTime >= 0)
			result = Mix_PlayChannelTimed(channel, sound,loops,maxTime);
		else
			result = Mix_PlayChannel(channel, sound,loops);
	}
	if (result == -1)	
  {
    printf("Failed playing sound because %s\n", Mix_GetError());
    return 0;
  }
  else
  if (spSoundInPause)
		Mix_Pause(result);
  return result;
}

PREFIX void spSoundStop(int soundChannel, int fadeOut)
{
	if (spNoSoundAvaible)
		return;
	if (fadeOut > 0)
		Mix_FadeOutChannel(soundChannel,fadeOut);
	else
		Mix_HaltChannel(soundChannel);
}

PREFIX void spSoundPause(int pause, int channel)
{
	if (spNoSoundAvaible)
		return;	
	if (pause)
	{
		Mix_Pause(channel);
	}
	else
		Mix_Resume(channel);
}

PREFIX void spSoundDelete(spSound* sound)
{
	if (spNoSoundAvaible || !sound)
		return;
	Mix_FreeChunk(sound);
}

PREFIX int spSoundSetMusic(char* filename)
{
	if (spNoSoundAvaible)
		return 0;
	if (spBackgroundMusic)
		Mix_FreeMusic(spBackgroundMusic);
  spBackgroundMusic = Mix_LoadMUS(filename);
  if (!spBackgroundMusic)
  {
    printf("Failed loading \"%s\" because %s\n", filename, Mix_GetError());
    return 0;
  }
  else
		Mix_VolumeMusic(spMusicVolume);
  return 1;
}

PREFIX int spSoundPlayMusic(int fadeIn,int loops)
{
	if (spNoSoundAvaible && !spBackgroundMusic)
		return 0;
	int result;
	if (fadeIn > 0)
		result = Mix_FadeInMusic(spBackgroundMusic, loops, fadeIn);
	else
		result = Mix_PlayMusic(spBackgroundMusic, loops);
	if (result == -1)	
  {
    printf("Failed playing music because %s\n", Mix_GetError());
    return 0;
  }
  return 1;
}

PREFIX int spSoundStopMusic(int fadeOut)
{
	if (spNoSoundAvaible && !spBackgroundMusic)
		return 0;
	int result;
	if (fadeOut > 0)
		result = Mix_FadeOutMusic(fadeOut);
	else
		result = Mix_HaltMusic();
	if (result == -1)	
  {
    printf("Failed halting music because %s\n", Mix_GetError());
    return 0;
  }
  return 1;
}

PREFIX void spSoundPauseMusic(int pause)
{
	if (spNoSoundAvaible)
		return;	
	if (pause)
	{
		if (spBackgroundMusic)
			Mix_PauseMusic();
	}
	else
	if (spBackgroundMusic)
			Mix_ResumeMusic();
}

PREFIX int spSoundGetMusicVolume( void )
{
	return spMusicVolume;
}

PREFIX void spSoundSetMusicVolume(int volume)
{
	if (volume < 0)
		volume = 0;
	if (volume > SP_VOLUME_MAX)
		volume = SP_VOLUME_MAX;
	spMusicVolume = volume;
	if (!spNoSoundAvaible)
		Mix_VolumeMusic(volume);
}

PREFIX int spSoundGetVolume( void )
{
	return spSoundVolume;
}

PREFIX void spSoundSetVolume(int volume)
{
	if (volume < 0)
		volume = 0;
	if (volume > SP_VOLUME_MAX)
		volume = SP_VOLUME_MAX;
	spSoundVolume = volume;
	if (!spNoSoundAvaible)
		Mix_Volume(-1,volume);
}

PREFIX void spSoundQuit( void )
{
	if (spBackgroundMusic)
		Mix_FreeMusic(spBackgroundMusic);
	spBackgroundMusic = NULL;
	Mix_CloseAudio();
	#if (SDL_MIXER_PATCHLEVEL >= 10)
		Mix_Quit();
	#endif
}