Return to r_shared.h CVS log

Up to [Quake] / quake1

Annotation of quake1/r_shared.h, revision 1.1.1.2

1.1.1.2 ! root        1: #ifndef GLQUAKE
1.1       root        2: // r_shared.h: general refresh-related stuff shared between the refresh and the
                      3: // driver
                      4: 
                      5: // FIXME: clean up and move into d_iface.h
                      6: 
                      7: #ifndef _R_SHARED_H_
                      8: #define _R_SHARED_H_
                      9: 
                     10: #define        MAXVERTS        16                                      // max points in a surface polygon
                     11: #define MAXWORKINGVERTS        (MAXVERTS+4)    // max points in an intermediate
                     12:                                                                                //  polygon (while processing)
                     13: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
1.1.1.2 ! root       14: #define        MAXHEIGHT               1024
        !            15: #define        MAXWIDTH                1280
        !            16: #define MAXDIMENSION   ((MAXHEIGHT > MAXWIDTH) ? MAXHEIGHT : MAXWIDTH)
        !            17: 
        !            18: #define SIN_BUFFER_SIZE        (MAXDIMENSION+CYCLE)
1.1       root       19: 
                     20: #define INFINITE_DISTANCE      0x10000         // distance that's always guaranteed to
                     21:                                                                                //  be farther away than anything in
                     22:                                                                                //  the scene
                     23: 
                     24: //===================================================================
                     25: 
                     26: extern void    R_DrawLine (polyvert_t *polyvert0, polyvert_t *polyvert1);
                     27: 
                     28: extern int             cachewidth;
                     29: extern pixel_t *cacheblock;
                     30: extern int             screenwidth;
                     31: 
                     32: extern float   pixelAspect;
                     33: 
                     34: extern int             r_drawnpolycount;
                     35: 
                     36: extern cvar_t  r_clearcolor;
                     37: 
1.1.1.2 ! root       38: extern int     sintable[SIN_BUFFER_SIZE];
        !            39: extern int     intsintable[SIN_BUFFER_SIZE];
1.1       root       40: 
                     41: extern vec3_t  vup, base_vup;
                     42: extern vec3_t  vpn, base_vpn;
                     43: extern vec3_t  vright, base_vright;
                     44: extern entity_t                *currententity;
                     45: 
1.1.1.2 ! root       46: #define NUMSTACKEDGES          2400
1.1       root       47: #define        MINEDGES                        NUMSTACKEDGES
1.1.1.2 ! root       48: #define NUMSTACKSURFACES       800
1.1       root       49: #define MINSURFACES                    NUMSTACKSURFACES
                     50: #define        MAXSPANS                        3000
                     51: 
                     52: // !!! if this is changed, it must be changed in asm_draw.h too !!!
                     53: typedef struct espan_s
                     54: {
                     55:        int                             u, v, count;
                     56:        struct espan_s  *pnext;
                     57: } espan_t;
                     58: 
                     59: // FIXME: compress, make a union if that will help
                     60: // insubmodel is only 1, flags is fewer than 32, spanstate could be a byte
                     61: typedef struct surf_s
                     62: {
                     63:        struct surf_s   *next;                  // active surface stack in r_edge.c
                     64:        struct surf_s   *prev;                  // used in r_edge.c for active surf stack
                     65:        struct espan_s  *spans;                 // pointer to linked list of spans to draw
                     66:        int                     key;                            // sorting key (BSP order)
                     67:        int                     last_u;                         // set during tracing
                     68:        int                     spanstate;                      // 0 = not in span
                     69:                                                                        // 1 = in span
                     70:                                                                        // -1 = in inverted span (end before
                     71:                                                                        //  start)
                     72:        int                     flags;                          // currentface flags
                     73:        void            *data;                          // associated data like msurface_t
                     74:        entity_t        *entity;
                     75:        float           nearzi;                         // nearest 1/z on surface, for mipmapping
                     76:        qboolean        insubmodel;
                     77:        float           d_ziorigin, d_zistepu, d_zistepv;
                     78: 
                     79:        int                     pad[2];                         // to 64 bytes
                     80: } surf_t;
                     81: 
                     82: extern surf_t  *surfaces, *surface_p, *surf_max;
                     83: 
                     84: // surfaces are generated in back to front order by the bsp, so if a surf
                     85: // pointer is greater than another one, it should be drawn in front
                     86: // surfaces[1] is the background, and is used as the active surface stack.
                     87: // surfaces[0] is a dummy, because index 0 is used to indicate no surface
                     88: //  attached to an edge_t
                     89: 
                     90: //===================================================================
                     91: 
                     92: extern vec3_t  sxformaxis[4];  // s axis transformed into viewspace
                     93: extern vec3_t  txformaxis[4];  // t axis transformed into viewspac
                     94: 
1.1.1.2 ! root       95: extern vec3_t  modelorg, base_modelorg;
1.1       root       96: 
                     97: extern float   xcenter, ycenter;
                     98: extern float   xscale, yscale;
                     99: extern float   xscaleinv, yscaleinv;
                    100: extern float   xscaleshrink, yscaleshrink;
                    101: 
                    102: extern int d_lightstylevalue[256]; // 8.8 frac of base light value
                    103: 
                    104: extern void TransformVector (vec3_t in, vec3_t out);
                    105: extern void SetUpForLineScan(fixed8_t startvertu, fixed8_t startvertv,
                    106:        fixed8_t endvertu, fixed8_t endvertv);
                    107: 
                    108: extern int     r_skymade;
                    109: extern void R_MakeSky (void);
                    110: 
                    111: extern int     ubasestep, errorterm, erroradjustup, erroradjustdown;
                    112: 
                    113: // flags in finalvert_t.flags
                    114: #define ALIAS_LEFT_CLIP                                0x0001
                    115: #define ALIAS_TOP_CLIP                         0x0002
                    116: #define ALIAS_RIGHT_CLIP                       0x0004
                    117: #define ALIAS_BOTTOM_CLIP                      0x0008
                    118: #define ALIAS_Z_CLIP                           0x0010
                    119: // !!! if this is changed, it must be changed in d_ifacea.h too !!!
                    120: #define ALIAS_ONSEAM                           0x0020  // also defined in modelgen.h;
                    121:                                                                                        //  must be kept in sync
                    122: #define ALIAS_XY_CLIP_MASK                     0x000F
                    123: 
                    124: // !!! if this is changed, it must be changed in asm_draw.h too !!!
                    125: typedef struct edge_s
                    126: {
                    127:        fixed16_t               u;
                    128:        fixed16_t               u_step;
                    129:        struct edge_s   *prev, *next;
                    130:        unsigned short  surfs[2];
                    131:        struct edge_s   *nextremove;
                    132:        float                   nearzi;
                    133:        medge_t                 *owner;
                    134: } edge_t;
                    135: 
                    136: #endif // _R_SHARED_H_
                    137: 
1.1.1.2 ! root      138: #endif // GLQUAKE

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.