#ifndef _PROJ_H
#define _PROJ_H

#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <malloc.h>
#include <stdlib.h>
#include <math.h>
#include <windows.h>
#include <time.h>

#include <FL/Fl_Gl_Window.h>
#include <Fl/Fl.h>
#include <Fl/Fl_Button.h>
#include <FL/Fl_Round_Button.H>
#include <FL/Fl_Light_Button.h>
#include <Fl/Fl_Value_Slider.H>
#include <Fl/Fl_Double_Window.h>
#include <GL/gl.h>
#include <GL/glu.h>			// for pick matrix
#include <GL/glut.h>		// for drawing a solid cube

#include <Fl/fl_message.h>
#include <Fl/fl_file_chooser.h>
#include <FL/Fl_Int_Input.H>
#include <FL/Fl_Hold_Browser.H>
#include <FL/Fl_Multi_Browser.H>
#include <FL/Fl_Menu_Item.H>
#include <FL/Fl_Menu_Bar.H>

#include "debug.h"

typedef enum {
	X = 0,
	Y = 1,
	Z = 2,
	W = 3
} TransCoord;

typedef enum {
	BVH = 0,
	QBVH = 1
} FileType ;


typedef enum {
  Min = 0,
  Max = 1,
  Sock = 2
 
} FlexCoord;


typedef enum{
	
	CONST_SPD = 0,
	REAL_TIME = 1

} PLAYMODE;

// rotation type
typedef enum {

	EULER	= 1,
	QUAT	= 2,
	EXPMAP	= 3

} RotType;


typedef enum {

	J_NONE = 0,
	J_BEND = 1,
	J_SOCK = 2,
	J_TWST = 3

} JointType;


typedef enum {
	AXIS_NO = 0,		// no rot
	AXIS_PB = 1,		// parent bone as axis
	AXIS_TB = 2,		// this bone as axis
	AXIS_PBxTB = 3		// parent bone cross this bone as axis

} JointAxis;

typedef double Point3D[3];
typedef double Point4D[4];
typedef struct Node Node;
typedef struct Bone Bone;


#define LINESIZE		250
#define NEAR_ZERO 0.0001	
	/* if diff bigger>NEAR_ZERO slerp, else lin interp,
	in conv q, emap stuff, if <NEAR_ZERO, assume 0 to min precision err. */

#define PI 3.14159265358979
#define RadianToDegree 180.0 / PI
#define DegreeToRadian PI / 180.0

#define SOUND_BELL	7	// for warning/error cases

#define MAT44_SIZE	16	// 4*4 mat

bool CLOSE_TO_ZERO( double a);

#define MAX_CHILDREN	10	// max 10 child nodes (joints) from a parent (root)
#define MAX_ENDSITES	20
#define NODE_SIZE		sizeof(Node)


#endif