/*******************
 step14.h
*******************/
#ifndef __step14_h
#define __step14_h


#define ORDERING_TABLE_LENGTH (12)
#define MAX_NO_PACKETS  (102400)

#define TRUE (1)
#define FALSE  (0)
#define GROUNDMAX_X (30)
#define GROUNDMAX_Z (30)
#define GROUNDSIZE (1200)
#define GROUNDSIZEDIV2   (GROUNDSIZE/2)
#define PLAYER_PRECISION 2
#define WORLD_GROUND_PRECISION   1
#define WORLD_OVERLAY_PRECISION  2
#define SCREEN_WIDTH  (320)
#define SCREEN_HEIGHT (240)
#define CLIPXWIDTH 5
#define CLIPZWIDTH 5
#define MIN(a,b) ( ((a) > (b)) ? (b) : (a))
#define MAX(a,b) ( ((a) > (b)) ? (a) : (b))
#define NUM_ENEMIES 10

#define limitrange(x, l, h) ( (x) = ( (x)<(l)?(l):(x)>(h)?(h):(x) ) )


#define PLAYER_START_X				3600
#define PLAYER_START_Y				-200
#define PLAYER_START_Z				3600

#define ENEMY_START_X            (GROUNDMAX_X/2)*GROUNDSIZE
#define ENEMY_START_Y            -100
#define ENEMY_START_Z            (GROUNDMAX_Z/2)*GROUNDSIZE

// sound macros
#define 		InitialiseSound(vh,vb) \
						SsVabTransfer((u_char*) (vh), (u_char*) (vb), -1, 1)
#define			PlaySound(v,p,t,n) \
						SsUtKeyOn((v),(p),(t), (n), 0, 128, 128)
#define			StopSound()\
						SsUtAllKeyOff(0)

int CurrentBuffer;
#define RenderPrepare()\
		GsSetRefView2(&ViewPoint);\
		CurrentBuffer=GsGetActiveBuff(); \
		GsSetWorkBase((PACKET*)Packet_Memory[CurrentBuffer]);\
		GsClearOt(0, 0, &OTable_Header[CurrentBuffer]);

#define 	RenderFinish()\
		DrawSync(0);\
		GsSwapDispBuff(); \
		GsSortClear(0, 0, 0,&OTable_Header[CurrentBuffer]); \
		GsDrawOt(&OTable_Header[CurrentBuffer]);

// We need two Ordering Table Headers, one for each buffer
GsOT OTable_Header[2];
// And we need Two Ordering Tables, one for each buffer
GsOT_TAG        OTable_Array[2][1<<ORDERING_TABLE_LENGTH];
//We also allocate memory used for depth sorting, a block for each buffer
PACKET          Packet_Memory[2][MAX_NO_PACKETS];

// This is an array of structures for the lights
GsF_LIGHT       LightSource[2];

// Define a structure to hold a 3D object that will be rendered on screen
typedef struct
{
  u_long            Subdivision;
  GsDOBJ2           Object_Handler;
  GsCOORDINATE2     Object_Coord;
} ModelStruct;


 typedef struct
{   ModelStruct 		Model;
	 VECTOR 				Direction;
	 VECTOR     		Range[2];
	 short 				row;
    short				col;
}PlayerStruct;
// Create and instance of the structure to hold our car object (tmd)

typedef struct
{
  PlayerStruct player_data;
  int				amount;
  int				randomRotate;
  int				randomMove;
}EnemyStruct;


typedef struct
{
	 // We need one of each of the following data structures for each
	 // object in the world thus we have arrays of them
	 ModelStruct 		Model[GROUNDMAX_Z][GROUNDMAX_X];
	 char 				ModelMap[GROUNDMAX_Z][GROUNDMAX_X];
	 VECTOR     		Range[GROUNDMAX_Z][GROUNDMAX_X][2];
} WorldLayerStruct;
// Create an instance of the PlayerStruct to hold our car object
typedef struct
{   long speed;
	ModelStruct 		Model;
	VECTOR     		Range[2];
	long 				active;
	VECTOR Direction;
}BulletStruct;

BulletStruct TheBullet;
PlayerStruct TheCar;
EnemyStruct enemies[NUM_ENEMIES];
//Create an instance of the WorldLayerStruct to hold the ground
WorldLayerStruct WorldGround;
WorldLayerStruct WorldOverlay;

long ClipXStart,ClipXEnd, ClipZStart, ClipZEnd;




/************* FUNCTION PROTOTYPES *******************/
void InitialisePlayerModel(PlayerStruct *thePlayer, int nX, int nY, int nZ,
	unsigned long *lModelAddress, int bx1, int bx2, int by1, int by2, int bz1, int bz2);
void DrawPlayer(PlayerStruct *thePlayer);
void InitialiseALight(GsF_LIGHT *flLight, int nLight, int nX, int nY, int nZ,
		int nRed, int nGreen, int nBlue);
void InitialiseLights();
void InitialiseView(GsRVIEW2 *view, int nProjDist, int nRZ,
						  int nVPX, int nVPY, int nVPZ,
						  int nVRX, int nVRY, int nVRZ);
void Initialise3DGraphics();
void RenderWorld();
long NormalScale(long x,long y,long z);
void AdjustCoordinate2(GsCOORDINATE2 *coord);

void InitialiseStaticView(GsRVIEW2 *view, int nProjDist, int nRZ,
						  int nVPX, int nVPY, int nVPZ,
						  int nVRX, int nVRY, int nVRZ);


void InitialiseTrackerView(GsRVIEW2 *view, int nProjDist, int nRZ,
						  int nVPX, int nVPY, int nVPZ,
						  int nVRX, int nVRY, int nVRZ,GsCOORDINATE2 *Object_Coord);
void DrawModel(ModelStruct *theModel, GsOT *OTable_Header, int precision);
void InitialiseMaps();

void InitialiseWorld ();
void InitialiseModel(ModelStruct *theModel, int nX, int nY, int nZ,unsigned long *lModelAddress);
void DrawWorld(WorldLayerStruct *world, int precision);
void ClipWorld(int x,int z);
int CollisionDetect(VECTOR v1[2], VECTOR v2[2]);
void SetBoundingBox(VECTOR Range[2],int mx,int my, int mz, int xmin, int xmax,int ymin, int ymax,int zmin,int zmax);
void InitialiseBullet(BulletStruct *theBullet, int nX, int nY, int nZ,
	unsigned long *lModelAddress);
void AdvanceBullet(BulletStruct *theBullet);
void DrawBullet(BulletStruct *theBullet,int precision);
void SetBulletVector(GsCOORDINATE2 *gsObjectCoord,VECTOR currentDirection, BulletStruct *theBullet);

int rand_range(int range);

#endif
/*****************************************************/