/*
   audio/audio.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "audio/audio.h"
#include "audio/buffers.h"
#include "audio/pcm.h"
#include "sys/sys.h"

namespace audio
{

ALCdevice 			*audio_device = 0;
ALCcontext			*audio_context = 0;

ALuint 				source = 0;

void init()
{
	con_print << "^BInitializing audio...";

	// open the default audio device
	audio_device = alcOpenDevice(0);

	if (!audio_device) {
		con_warn << "Could not initialize audio!";
		return;
	}

	// create the audio context
	audio_context = alcCreateContext(audio_device ,0);
	alcMakeContextCurrent(audio_context);

	// clear errors
	alGetError();
	
	Buffers::init();
	
	//con_debug << "  device  ^B" << alcGetString(audio_device, ALC_DEFAULT_DEVICE_SPECIFIER) << std::endl;
	load("ui/chat");
	
	// default sound source
	alGenSources(1, &source);
}

void load (const char *name)
{
	Buffers::load(std::string(name));
}

void shutdown()
{
	con_print << "^BShutting down audio...";

	if (audio_context) {
		alcMakeContextCurrent(0);
		alcDestroyContext(audio_context);
		audio_context = 0;
	}

	if (audio_device) {
		alcCloseDevice(audio_device);
		audio_device = 0;
	}	

	alDeleteSources(1, &source);
}

void play(const char *name)
{
	Buffers::bind(source, std::string(name));
	alSourcePlay(source);
}

}