package shootergame;

import org.lwjgl.openal.*;
import org.lwjgl.system.*;

import java.nio.*;

import static org.lwjgl.openal.AL10.*;
import static org.lwjgl.openal.ALC10.*;
import static org.lwjgl.stb.STBVorbis.*;
import static org.lwjgl.system.MemoryStack.*;
import static org.lwjgl.system.libc.LibCStdlib.*;

public class Test
{
	public static void main(String[] args) {
		//Initialization
		String defaultDeviceName = alcGetString(0, ALC_DEFAULT_DEVICE_SPECIFIER);
		long   device            = alcOpenDevice(defaultDeviceName);

		int[] attributes = {0};
		long  context    = alcCreateContext(device, attributes);
		alcMakeContextCurrent(context);

		ALCCapabilities alcCapabilities = ALC.createCapabilities(device);
		ALCapabilities  alCapabilities  = AL.createCapabilities(alcCapabilities);

		ShortBuffer rawAudioBuffer;

		int channels;
		int sampleRate;

		try (MemoryStack stack = stackPush()) {
		    //Allocate space to store return information from the function
		    IntBuffer channelsBuffer   = stack.mallocInt(1);
		    IntBuffer sampleRateBuffer = stack.mallocInt(1);

		    rawAudioBuffer = stb_vorbis_decode_filename("resources/sound/gun.ogg", channelsBuffer, sampleRateBuffer);

		    //Retreive the extra information that was stored in the buffers by the function
		    channels = channelsBuffer.get(0);
		    sampleRate = sampleRateBuffer.get(0);
		}

		//Find the correct OpenAL format
		int format = -1;
		if (channels == 1) {
		    format = AL_FORMAT_MONO16;
		} else if (channels == 2) {
		    format = AL_FORMAT_STEREO16;
		}

		//Request space for the buffer
		int bufferPointer = alGenBuffers();

		//Send the data to OpenAL
		alBufferData(bufferPointer, format, rawAudioBuffer, sampleRate);

		//Free the memory allocated by STB
		//free(rawAudioBuffer);

		while(true)
		{
			//Request a source
			int sourcePointer = alGenSources();

			//Assign the sound we just loaded to the source
			alSourcei(sourcePointer, AL_BUFFER, bufferPointer);

			//Play the sound
			alSourcePlay(sourcePointer);

			System.out.println(sourcePointer);
			
			try {
			    //Wait for a second
			    Thread.sleep(10);
			} catch (InterruptedException ignored) {
			}
			
			//alDeleteSources(sourcePointer);
		}

		/*//Terminate OpenAL
		alDeleteSources(sourcePointer);
		alDeleteBuffers(bufferPointer);
		alcDestroyContext(context);
		alcCloseDevice(device);*/
	}
}