// ---------------------------------------------------------------------------
// Project Name		:	Nook
// File Name		:	Audio.c
// Author			:	Mary Khuu
// Creation Date	:	15 Mar 2021
// Purpose			:	add audio to the game
// All content © 2021 DigiPen (USA) Corporation, all rights reserved.
// ---------------------------------------------------------------------------

#include "fmod.h"
#include <stdio.h>		// printf()
#include <stdbool.h>	// FALSE
#include "AEEngine.h"

#include "Audio.h"

FMOD_SYSTEM* soundSystem;
FMOD_SOUND* sound;
FMOD_CHANNEL* channel;
FMOD_RESULT result;


// Initialize the Audio System
void AudioInit()
{
	channel = 0;

	// Create and Initialize the FMOD System
	result = FMOD_System_Create(&soundSystem);

	void* extradriverdata = 0;
	result = FMOD_System_Init(soundSystem, 32, FMOD_INIT_NORMAL, extradriverdata);
}

void playSound(bool trigger, const char* file)
{
	// Create and Play the sound
	// Note: this should be generalized for multiple sounds and
	//       be placed in a function to be used outside of init.
	result = FMOD_System_CreateStream(soundSystem, file, FMOD_LOOP_OFF | FMOD_2D, 0, &sound);

	result = FMOD_System_PlaySound(soundSystem, sound, 0, trigger, &channel);
	
}

void playSoundAdvanced(const char* file, float volume)
{
	FMOD_CHANNEL* channel;

	result = FMOD_System_CreateStream(soundSystem, file, FMOD_LOOP_OFF | FMOD_2D, 0, &sound);

	result = FMOD_System_PlaySound(soundSystem, sound, 0, true, &channel);

	result = FMOD_Channel_SetVolume(channel, volume);

	result = FMOD_Channel_SetPaused(channel, false);
}

// Update the Audio System
// Note: this should be called frequently such as every game loop or
//       every time a user enters a command depending on the engine
void AudioUpdate()
{
	result = FMOD_System_Update(soundSystem);
}

// Cleanup the Audio System
void AudioCleanup()
{
	// Release all sounds that have been created
	result = FMOD_Sound_Release(sound);

	// Close and Release the FMOD system
	result = FMOD_System_Close(soundSystem);
	result = FMOD_System_Release(soundSystem);
}