diff options
Diffstat (limited to 'WinQuake/r_shared.h')
| -rw-r--r-- | WinQuake/r_shared.h | 314 |
1 files changed, 157 insertions, 157 deletions
diff --git a/WinQuake/r_shared.h b/WinQuake/r_shared.h index f2a6db3..2d22f7d 100644 --- a/WinQuake/r_shared.h +++ b/WinQuake/r_shared.h @@ -1,157 +1,157 @@ -/* -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 !!! -#define MAXHEIGHT 1024 -#define MAXWIDTH 1280 -#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 !!!
+#define MAXHEIGHT 1024
+#define MAXWIDTH 1280
+#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
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