/************************************
Height.h
************************************/

#include "3dgraph.h"
#include <libps.h>

//defines
//-------

#define TILE_WIDTH  (1500)
#define TILE_LENGTH (1500)

#define CLIP_WIDTH  (10) //8
#define CLIP_LENGTH (10)
#define CLIP_AREA   (100) // 64

// MACROS
//-------

#define 	SetVec(_v,_x,_y,_z) \
			(_v)->vx = (_x), \
			(_v)->vy = (_y), \
			(_v)->vz = (_z)

// STRUCTS
//--------

typedef struct {

   GsDOBJ2       Object_Handler;
   GsCOORDINATE2 Object_Coord;

} MapObject;

typedef struct
{
	u_long NuTextures;
	u_long MapLength;
	u_long MapWidth;
	u_long MapArea;

	//world constraints
	long GRAVITY;    // change gravity for strange other world effects
	long FRICTION;   // change friction for icy places 
	long WIND;       // change weather conditions

	//Dynamically allocated arrays !

	u_long  *DYNAMIC_TMD[400];		    //the Addresses
	MapObject tileModel[400];            //the actual models
	long heightFields[41][41];		    //height field
	long texturePosition[40][40];	    	    //tile position of textures 
	VECTOR Beacons[11][2];

} MAPStruct;

// GLOBALS
//---------

MAPStruct *currentMap;
MAPStruct Level1;
MapObject Level1Objects[35];

// PROTOTYPES
//------------

void InitMapObject(MapObject *theModel, int nX, int nY, int nZ,
	unsigned long *lModelAddress);
u_long * CreateTileTMD(u_long * myTMD,long texture1,long texture2,long texture3,long texture4,
	long h1, long h2, long h3, long h4,long h5,long h6, long h7, long h8,long h9);
void  CreateTileModel();
void RotateMap(long x, long y, long z);
void SetupMap();
void DrawMap(GsCOORDINATE2 coordinate);
void SetCurrentMap(MAPStruct *theMap);
void SetDimensions(MAPStruct *theMap,u_long NuTx,u_long ML, u_long MW);
long FindHeight(long rx,long rz);
long FindRotation(long height1, long height2,long length);
void SetAttributes(MAPStruct *theMap,long grav,long fric, long wind);
long getWind();
long getFriction();
long getGravity();
void GetBeacon(u_long number,VECTOR *vect1, VECTOR *vect2);
void RotateModelMatrixMap (MapObject *theModel, int nRX, int nRY, int nRZ);
void DrawMapObjects(GsCOORDINATE2 coordinate);
void DrawMapTile(MapObject *theModel,u_long bitShift);
VECTOR VectorNormal(long x1,long y1,long z1,long x2,long y2,long z2,long x3
				,long y3,long z3);

void SetLevelMap();
void InitialiseMap1Objects();