/*********************************************************************************\
|SVE 3D Sound Header File
|Author:  Sabarish Babu
|Version: 1.1
|Date:  06/03/08
|Added:  More functions to manipulate sound attributes, combined functions to make
|        interface cleaner.....
|    
|																				   
\*********************************************************************************/



#include <stdio.h>
#include "alut.h"
#include "al.h"
#include <stdlib.h>
#include <sve.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifndef BOOL
#define BOOL unsigned int
#endif

#ifndef TRUE
#define ((unsigned int)1)
#endif

#ifndef FALSE
#define ((unsigned int)0)
#endif

#define MAX_SOURCES 4000
#define MAX_BUFFERS 4000

typedef struct SVE_3DSound_Struct
{
	char* filename;
	ALuint source_num;
	ALuint buffer_num;
	ALuint index;
	ALfloat pitch;
	ALfloat	gain;
	ALfloat position[3];
	ALfloat velocity[3];
	ALuint islooping;
	ALfloat cone_outer_angle;
	ALfloat cone_inner_angle;
	ALfloat cone_outer_gain;
	SVE_object boundobject;
	ALboolean rel_source;
	ALfloat min_gain;
	ALfloat max_gain;
	ALfloat max_distance;
	ALfloat ref_distance;
	ALfloat rolloff;
	ALfloat direction[3]; 

}SVE_3DSound_Struct;
typedef SVE_3DSound_Struct* SVE_3DSound;





typedef struct SVE_3DListener_Struct
{
	ALfloat position[3];
	ALfloat velocity[3];
	ALfloat gain;
	ALfloat orientation[6];

}SVE_3DListener_Struct;
typedef struct SVE_3DListener_Struct* SVE_3DListener;

struct SVE_3DSound_State_Struct
{
	ALuint NUM_SOURCES;
	ALuint NUM_BUFFERS;
	ALuint buffer[MAX_BUFFERS];
	ALuint source[MAX_SOURCES];
	SVE_3DSound SVE_3DSound_array[MAX_SOURCES];
	SVE_3DListener SVE_3DListener;
	ALboolean sound_flag;

}SVE_3DSound_State_Struct;

struct SVE_3DSound_State_Struct* SVE_3DSound_State;

BOOL SVE_check3DSoundPlaying(SVE_3DSound sound);

void SVE_init3DSound(int* argc, char **argv);

void SVE_set3DSoundBuffers();

SVE_3DSound SVE_create3DSound(char* filename, ALboolean islooping);

void SVE_create3DListener();

void SVE_update3DListener(SVE_state state);

void SVE_set3DListenerPos(float x, float y, float z);

void SVE_set3DListenerOri(float atx, float aty, float atz, float topx,
						    float topy, float topz); 

void SVE_set3DSoundPos(float x, float y, float z, SVE_3DSound sound);

void SVE_set3DSoundVelocity(float x, float y, float z, SVE_3DSound sound);

void SVE_set3DSoundPitch(float x, SVE_3DSound sound);

void SVE_set3DSoundDistances(float ref_distance, float max_distance, SVE_3DSound sound);

void SVE_set3DSoundDistancesSab(ALfloat ref_distance, ALfloat max_distance, ALfloat rolloff_val, SVE_3DSound sound);

void SVE_set3DSoundAngles(float innerangle, float outerangle, float outergain, SVE_3DSound sound);

void SVE_makeRelativeSource(ALboolean ifrelative, SVE_3DSound sound);

void SVE_bind3DSoundToObject(SVE_object object, SVE_3DSound sound);

void SVE_set3DSoundGain(float x, SVE_3DSound sound);

void SVE_close3DSound();

void SVE_display3DSoundError();

void SVE_3DSoundPlay(SVE_3DSound sound);

void SVE_3DSoundStop(SVE_3DSound sound);

void SVE_3DSoundPause(SVE_3DSound sound);

#ifdef __cplusplus
}
#endif