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Track.h
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Track.h
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#ifndef _TRACK
#define _TRACK
/* ============= */
/* Include files */
/* ============= */
#include "3D_Engine.h"
#ifdef linux
#include "dx_linux.h"
#endif
/* ========= */
/* Constants */
/* ========= */
#define PC_FACTOR 2 // 24/04/1998
#define MAX_PIECES_PER_TRACK 100
#define MAX_SEGMENTS_PER_PIECE 13
#define NUM_TRACK_CUBES 16 // x,z dimensions of Track, in cubes
#define CUBE_SIZE 0x04000000 // size of a single track cube
// (0x800 * PC_FACTOR of 2 * PRECISION)
#define LOG_CUBE_SIZE 26 // to base 2
#define TRACK_BOTTOM_Y 0 // used to be 512
// note that track numbers do not correspond to track league positions
#define NO_TRACK -1
#define LITTLE_RAMP 0
#define STEPPING_STONES 1
#define HUMP_BACK 2
#define BIG_RAMP 3
#define SKI_JUMP 4
#define DRAW_BRIDGE 5
#define HIGH_JUMP 6
#define ROLLER_COASTER 7
#define NUM_TRACKS 8
/* ===================== */
/* Structure definitions */
/* ===================== */
typedef struct
{
long x;
long z;
} COORD_XZ;
typedef struct
{
long y;
} COORD_Y;
typedef struct
{
long x, y, z; // of piece's front left corner, within world
long roughPieceAngle; // 0, 90, 180, 270 degrees (stored in internal angle format)
long oppositeDirection; // TRUE/FALSE - normal travel direction along piece
long curveToLeft; // TRUE/FALSE
long type; // near.section.byte1 - 0x00 STRAIGHT, 0x40 DIAGONAL (45 degrees)
// 0x80 CURVE RIGHT, 0xc0 CURVE LEFT
long lengthReduction;
long steeringAmount;
/* following not needed since project converted to use Direct3D
long visible; // TRUE/FALSE - from current viewpoint
long distant; // TRUE/FALSE - from current viewpoint (using DISTANT_OBJECT_BOUNDARY)
long zClipNeeded; // TRUE/FALSE - from current viewpoint
*/
long numSegments;
long firstSegment; // piece's first segment number within the whole track
/* following not needed since project converted to use Direct3D
long minZDifference; // used to decide order of segment drawing
*/
long initialColour; // initial roadLinesColour offset (0 or 1)
BYTE roadColour[MAX_SEGMENTS_PER_PIECE]; // for individual segment road surfaces
BYTE sidesColour;
COORD_3D *coords; // unrotated
long coordsSize; // allocated memory size for coords
/* following not needed since project converted to use Direct3D
COORD_3D *transformed_coords;
COORD_2D *screen_coords;
*/
} TRACK_PIECE;
/* ============================== */
/* External function declarations */
/* ============================== */
extern WCHAR *GetTrackName( long track );
extern char GetPieceAngleAndTemplate( long piece );
extern long ConvertAmigaTrack( long track );
extern void FreeTrackData( void );
extern HRESULT CreateTrackVertexBuffer (IDirect3DDevice9 *pd3dDevice);
extern void FreeTrackVertexBuffer (void);
extern void DrawTrack (IDirect3DDevice9 *pd3dDevice);
extern HRESULT CreateShadowVertexBuffer (IDirect3DDevice9 *pd3dDevice);
extern void FreeShadowVertexBuffer (void);
extern void MoveDrawBridge ( void );
extern void ResetDrawBridge( void );
#endif /* _TRACK */