mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-29 23:52:22 +00:00
dbd3d6502a
I never liked it, but with C2x coming out, it's best to handle bools properly. I haven't gone through all the uses of int as bool (I'll leave that for fixing when I encounter them), but this gets QF working with both c2x (really, gnu2x because of raw strings).
169 lines
5 KiB
C
169 lines
5 KiB
C
/*
|
|
r_shared.h
|
|
|
|
general refresh-related stuff shared between the refresh and the driver
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
|
|
// FIXME: clean up and move into d_iface.h
|
|
|
|
#ifndef _R_SHARED_H
|
|
#define _R_SHARED_H
|
|
|
|
#include "d_iface.h"
|
|
|
|
#define MAX_EFRAGS 640
|
|
|
|
#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 4096
|
|
#define MAXWIDTH 4096
|
|
#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 byte *cacheblock;
|
|
extern int r_init;
|
|
|
|
extern float pixelAspect;
|
|
|
|
extern int r_drawnpolycount;
|
|
|
|
extern int r_clearcolor;
|
|
|
|
extern int sintable[SIN_BUFFER_SIZE];
|
|
extern int intsintable[SIN_BUFFER_SIZE];
|
|
|
|
extern byte color_white[4];
|
|
extern byte color_black[4];
|
|
|
|
extern vec3_t vup, base_vup;
|
|
extern vec3_t vfwd, base_vfwd;
|
|
extern vec3_t vright, base_vright;
|
|
extern float r_viewmatrix[3][4];
|
|
|
|
#define NUMSTACKEDGES 2400 //2000
|
|
#define MINEDGES NUMSTACKEDGES
|
|
#define NUMSTACKSURFACES 1000
|
|
#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
|
|
uint32_t render_id;
|
|
float nearzi; // nearest 1/z on surface, for mipmapping
|
|
bool insubmodel;
|
|
float d_ziorigin, d_zistepu, d_zistepv;
|
|
|
|
int pad[2]; // to 64 bytes (FIXME not for 64-bit)
|
|
} 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 (const 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);
|
|
|
|
// 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;
|
|
|
|
#define NUMVERTEXNORMALS 162
|
|
extern float r_avertexnormals[NUMVERTEXNORMALS][3];
|
|
extern vec3_t ambientcolor;
|
|
|
|
struct entity_s;
|
|
uint32_t SW_AddEntity (struct entity_s ent);
|
|
|
|
#endif // _R_SHARED_H
|