diff options
Diffstat (limited to 'WinQuake/r_shared.h')
| -rw-r--r-- | WinQuake/r_shared.h | 322 |
1 files changed, 161 insertions, 161 deletions
diff --git a/WinQuake/r_shared.h b/WinQuake/r_shared.h index 0f33e2b..a70f125 100644 --- a/WinQuake/r_shared.h +++ b/WinQuake/r_shared.h @@ -1,161 +1,161 @@ -/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-#ifndef GLQUAKE
-// r_shared.h: general refresh-related stuff shared between the refresh and the
-// driver
-
-// FIXME: clean up and move into d_iface.h
-
-#ifndef _R_SHARED_H_
-#define _R_SHARED_H_
-
-#define MAXVERTS 16 // max points in a surface polygon
-#define MAXWORKINGVERTS (MAXVERTS+4) // max points in an intermediate
- // polygon (while processing)
-// !!! if this is changed, it must be changed in d_ifacea.h too !!!
-// wyatt
-// define MAXHEIGHT 1024
-#define MAXHEIGHT 2048
-// wyatt
-// define MAXWIDTH 1280
-#define MAXWIDTH 2560
-#define MAXDIMENSION ((MAXHEIGHT > MAXWIDTH) ? MAXHEIGHT : MAXWIDTH)
-
-#define SIN_BUFFER_SIZE (MAXDIMENSION+CYCLE)
-
-#define INFINITE_DISTANCE 0x10000 // distance that's always guaranteed to
- // be farther away than anything in
- // the scene
-
-//===================================================================
-
-extern void R_DrawLine (polyvert_t *polyvert0, polyvert_t *polyvert1);
-
-extern int cachewidth;
-extern pixel_t *cacheblock;
-extern int screenwidth;
-
-extern float pixelAspect;
-
-extern int r_drawnpolycount;
-
-extern cvar_t r_clearcolor;
-
-extern int sintable[SIN_BUFFER_SIZE];
-extern int intsintable[SIN_BUFFER_SIZE];
-
-extern vec3_t vup, base_vup;
-extern vec3_t vpn, base_vpn;
-extern vec3_t vright, base_vright;
-extern entity_t *currententity;
-
-#define NUMSTACKEDGES 2400
-#define MINEDGES NUMSTACKEDGES
-#define NUMSTACKSURFACES 800
-#define MINSURFACES NUMSTACKSURFACES
-#define MAXSPANS 3000
-
-// !!! if this is changed, it must be changed in asm_draw.h too !!!
-typedef struct espan_s
-{
- int u, v, count;
- struct espan_s *pnext;
-} espan_t;
-
-// FIXME: compress, make a union if that will help
-// insubmodel is only 1, flags is fewer than 32, spanstate could be a byte
-typedef struct surf_s
-{
- struct surf_s *next; // active surface stack in r_edge.c
- struct surf_s *prev; // used in r_edge.c for active surf stack
- struct espan_s *spans; // pointer to linked list of spans to draw
- int key; // sorting key (BSP order)
- int last_u; // set during tracing
- int spanstate; // 0 = not in span
- // 1 = in span
- // -1 = in inverted span (end before
- // start)
- int flags; // currentface flags
- void *data; // associated data like msurface_t
- entity_t *entity;
- float nearzi; // nearest 1/z on surface, for mipmapping
- qboolean insubmodel;
- float d_ziorigin, d_zistepu, d_zistepv;
-
- int pad[2]; // to 64 bytes
-} surf_t;
-
-extern surf_t *surfaces, *surface_p, *surf_max;
-
-// surfaces are generated in back to front order by the bsp, so if a surf
-// pointer is greater than another one, it should be drawn in front
-// surfaces[1] is the background, and is used as the active surface stack.
-// surfaces[0] is a dummy, because index 0 is used to indicate no surface
-// attached to an edge_t
-
-//===================================================================
-
-extern vec3_t sxformaxis[4]; // s axis transformed into viewspace
-extern vec3_t txformaxis[4]; // t axis transformed into viewspac
-
-extern vec3_t modelorg, base_modelorg;
-
-extern float xcenter, ycenter;
-extern float xscale, yscale;
-extern float xscaleinv, yscaleinv;
-extern float xscaleshrink, yscaleshrink;
-
-extern int d_lightstylevalue[256]; // 8.8 frac of base light value
-
-extern void TransformVector (vec3_t in, vec3_t out);
-extern void SetUpForLineScan(fixed8_t startvertu, fixed8_t startvertv,
- fixed8_t endvertu, fixed8_t endvertv);
-
-extern int r_skymade;
-extern void R_MakeSky (void);
-
-extern int ubasestep, errorterm, erroradjustup, erroradjustdown;
-
-// flags in finalvert_t.flags
-#define ALIAS_LEFT_CLIP 0x0001
-#define ALIAS_TOP_CLIP 0x0002
-#define ALIAS_RIGHT_CLIP 0x0004
-#define ALIAS_BOTTOM_CLIP 0x0008
-#define ALIAS_Z_CLIP 0x0010
-// !!! if this is changed, it must be changed in d_ifacea.h too !!!
-#define ALIAS_ONSEAM 0x0020 // also defined in modelgen.h;
- // must be kept in sync
-#define ALIAS_XY_CLIP_MASK 0x000F
-
-// !!! if this is changed, it must be changed in asm_draw.h too !!!
-typedef struct edge_s
-{
- fixed16_t u;
- fixed16_t u_step;
- struct edge_s *prev, *next;
- unsigned short surfs[2];
- struct edge_s *nextremove;
- float nearzi;
- medge_t *owner;
-} edge_t;
-
-#endif // _R_SHARED_H_
-
-#endif // GLQUAKE
+/* +Copyright (C) 1996-1997 Id Software, Inc. + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ +#ifndef GLQUAKE +// r_shared.h: general refresh-related stuff shared between the refresh and the +// driver + +// FIXME: clean up and move into d_iface.h + +#ifndef _R_SHARED_H_ +#define _R_SHARED_H_ + +#define MAXVERTS 16 // max points in a surface polygon +#define MAXWORKINGVERTS (MAXVERTS+4) // max points in an intermediate + // polygon (while processing) +// !!! if this is changed, it must be changed in d_ifacea.h too !!! +// wyatt +// define MAXHEIGHT 1024 +#define MAXHEIGHT 2048 +// wyatt +// define MAXWIDTH 1280 +#define MAXWIDTH 2560 +#define MAXDIMENSION ((MAXHEIGHT > MAXWIDTH) ? MAXHEIGHT : MAXWIDTH) + +#define SIN_BUFFER_SIZE (MAXDIMENSION+CYCLE) + +#define INFINITE_DISTANCE 0x10000 // distance that's always guaranteed to + // be farther away than anything in + // the scene + +//=================================================================== + +extern void R_DrawLine (polyvert_t *polyvert0, polyvert_t *polyvert1); + +extern int cachewidth; +extern pixel_t *cacheblock; +extern int screenwidth; + +extern float pixelAspect; + +extern int r_drawnpolycount; + +extern cvar_t r_clearcolor; + +extern int sintable[SIN_BUFFER_SIZE]; +extern int intsintable[SIN_BUFFER_SIZE]; + +extern vec3_t vup, base_vup; +extern vec3_t vpn, base_vpn; +extern vec3_t vright, base_vright; +extern entity_t *currententity; + +#define NUMSTACKEDGES 2400 +#define MINEDGES NUMSTACKEDGES +#define NUMSTACKSURFACES 800 +#define MINSURFACES NUMSTACKSURFACES +#define MAXSPANS 3000 + +// !!! if this is changed, it must be changed in asm_draw.h too !!! +typedef struct espan_s +{ + int u, v, count; + struct espan_s *pnext; +} espan_t; + +// FIXME: compress, make a union if that will help +// insubmodel is only 1, flags is fewer than 32, spanstate could be a byte +typedef struct surf_s +{ + struct surf_s *next; // active surface stack in r_edge.c + struct surf_s *prev; // used in r_edge.c for active surf stack + struct espan_s *spans; // pointer to linked list of spans to draw + int key; // sorting key (BSP order) + int last_u; // set during tracing + int spanstate; // 0 = not in span + // 1 = in span + // -1 = in inverted span (end before + // start) + int flags; // currentface flags + void *data; // associated data like msurface_t + entity_t *entity; + float nearzi; // nearest 1/z on surface, for mipmapping + qboolean insubmodel; + float d_ziorigin, d_zistepu, d_zistepv; + + int pad[2]; // to 64 bytes +} surf_t; + +extern surf_t *surfaces, *surface_p, *surf_max; + +// surfaces are generated in back to front order by the bsp, so if a surf +// pointer is greater than another one, it should be drawn in front +// surfaces[1] is the background, and is used as the active surface stack. +// surfaces[0] is a dummy, because index 0 is used to indicate no surface +// attached to an edge_t + +//=================================================================== + +extern vec3_t sxformaxis[4]; // s axis transformed into viewspace +extern vec3_t txformaxis[4]; // t axis transformed into viewspac + +extern vec3_t modelorg, base_modelorg; + +extern float xcenter, ycenter; +extern float xscale, yscale; +extern float xscaleinv, yscaleinv; +extern float xscaleshrink, yscaleshrink; + +extern int d_lightstylevalue[256]; // 8.8 frac of base light value + +extern void TransformVector (vec3_t in, vec3_t out); +extern void SetUpForLineScan(fixed8_t startvertu, fixed8_t startvertv, + fixed8_t endvertu, fixed8_t endvertv); + +extern int r_skymade; +extern void R_MakeSky (void); + +extern int ubasestep, errorterm, erroradjustup, erroradjustdown; + +// flags in finalvert_t.flags +#define ALIAS_LEFT_CLIP 0x0001 +#define ALIAS_TOP_CLIP 0x0002 +#define ALIAS_RIGHT_CLIP 0x0004 +#define ALIAS_BOTTOM_CLIP 0x0008 +#define ALIAS_Z_CLIP 0x0010 +// !!! if this is changed, it must be changed in d_ifacea.h too !!! +#define ALIAS_ONSEAM 0x0020 // also defined in modelgen.h; + // must be kept in sync +#define ALIAS_XY_CLIP_MASK 0x000F + +// !!! if this is changed, it must be changed in asm_draw.h too !!! +typedef struct edge_s +{ + fixed16_t u; + fixed16_t u_step; + struct edge_s *prev, *next; + unsigned short surfs[2]; + struct edge_s *nextremove; + float nearzi; + medge_t *owner; +} edge_t; + +#endif // _R_SHARED_H_ + +#endif // GLQUAKE |