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Diffstat (limited to 'apps/plugins/sdl/progs/quake/r_shared.h')
-rw-r--r-- | apps/plugins/sdl/progs/quake/r_shared.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/r_shared.h b/apps/plugins/sdl/progs/quake/r_shared.h new file mode 100644 index 0000000000..f2a6db3096 --- /dev/null +++ b/apps/plugins/sdl/progs/quake/r_shared.h | |||
@@ -0,0 +1,157 @@ | |||
1 | /* | ||
2 | Copyright (C) 1996-1997 Id Software, Inc. | ||
3 | |||
4 | This program is free software; you can redistribute it and/or | ||
5 | modify it under the terms of the GNU General Public License | ||
6 | as published by the Free Software Foundation; either version 2 | ||
7 | of the License, or (at your option) any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
12 | |||
13 | See the GNU General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with this program; if not, write to the Free Software | ||
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
18 | |||
19 | */ | ||
20 | #ifndef GLQUAKE | ||
21 | // r_shared.h: general refresh-related stuff shared between the refresh and the | ||
22 | // driver | ||
23 | |||
24 | // FIXME: clean up and move into d_iface.h | ||
25 | |||
26 | #ifndef _R_SHARED_H_ | ||
27 | #define _R_SHARED_H_ | ||
28 | |||
29 | #define MAXVERTS 16 // max points in a surface polygon | ||
30 | #define MAXWORKINGVERTS (MAXVERTS+4) // max points in an intermediate | ||
31 | // polygon (while processing) | ||
32 | // !!! if this is changed, it must be changed in d_ifacea.h too !!! | ||
33 | #define MAXHEIGHT 1024 | ||
34 | #define MAXWIDTH 1280 | ||
35 | #define MAXDIMENSION ((MAXHEIGHT > MAXWIDTH) ? MAXHEIGHT : MAXWIDTH) | ||
36 | |||
37 | #define SIN_BUFFER_SIZE (MAXDIMENSION+CYCLE) | ||
38 | |||
39 | #define INFINITE_DISTANCE 0x10000 // distance that's always guaranteed to | ||
40 | // be farther away than anything in | ||
41 | // the scene | ||
42 | |||
43 | //=================================================================== | ||
44 | |||
45 | extern void R_DrawLine (polyvert_t *polyvert0, polyvert_t *polyvert1); | ||
46 | |||
47 | extern int cachewidth; | ||
48 | extern pixel_t *cacheblock; | ||
49 | extern int screenwidth; | ||
50 | |||
51 | extern float pixelAspect; | ||
52 | |||
53 | extern int r_drawnpolycount; | ||
54 | |||
55 | extern cvar_t r_clearcolor; | ||
56 | |||
57 | extern int sintable[SIN_BUFFER_SIZE]; | ||
58 | extern int intsintable[SIN_BUFFER_SIZE]; | ||
59 | |||
60 | extern vec3_t vup, base_vup; | ||
61 | extern vec3_t vpn, base_vpn; | ||
62 | extern vec3_t vright, base_vright; | ||
63 | extern entity_t *currententity; | ||
64 | |||
65 | #define NUMSTACKEDGES 2400 | ||
66 | #define MINEDGES NUMSTACKEDGES | ||
67 | #define NUMSTACKSURFACES 800 | ||
68 | #define MINSURFACES NUMSTACKSURFACES | ||
69 | #define MAXSPANS 3000 | ||
70 | |||
71 | // !!! if this is changed, it must be changed in asm_draw.h too !!! | ||
72 | typedef struct espan_s | ||
73 | { | ||
74 | int u, v, count; | ||
75 | struct espan_s *pnext; | ||
76 | } espan_t; | ||
77 | |||
78 | // FIXME: compress, make a union if that will help | ||
79 | // insubmodel is only 1, flags is fewer than 32, spanstate could be a byte | ||
80 | typedef struct surf_s | ||
81 | { | ||
82 | struct surf_s *next; // active surface stack in r_edge.c | ||
83 | struct surf_s *prev; // used in r_edge.c for active surf stack | ||
84 | struct espan_s *spans; // pointer to linked list of spans to draw | ||
85 | int key; // sorting key (BSP order) | ||
86 | int last_u; // set during tracing | ||
87 | int spanstate; // 0 = not in span | ||
88 | // 1 = in span | ||
89 | // -1 = in inverted span (end before | ||
90 | // start) | ||
91 | int flags; // currentface flags | ||
92 | void *data; // associated data like msurface_t | ||
93 | entity_t *entity; | ||
94 | float nearzi; // nearest 1/z on surface, for mipmapping | ||
95 | qboolean insubmodel; | ||
96 | float d_ziorigin, d_zistepu, d_zistepv; | ||
97 | |||
98 | int pad[2]; // to 64 bytes | ||
99 | } surf_t; | ||
100 | |||
101 | extern surf_t *surfaces, *surface_p, *surf_max; | ||
102 | |||
103 | // surfaces are generated in back to front order by the bsp, so if a surf | ||
104 | // pointer is greater than another one, it should be drawn in front | ||
105 | // surfaces[1] is the background, and is used as the active surface stack. | ||
106 | // surfaces[0] is a dummy, because index 0 is used to indicate no surface | ||
107 | // attached to an edge_t | ||
108 | |||
109 | //=================================================================== | ||
110 | |||
111 | extern vec3_t sxformaxis[4]; // s axis transformed into viewspace | ||
112 | extern vec3_t txformaxis[4]; // t axis transformed into viewspac | ||
113 | |||
114 | extern vec3_t modelorg, base_modelorg; | ||
115 | |||
116 | extern float xcenter, ycenter; | ||
117 | extern float xscale, yscale; | ||
118 | extern float xscaleinv, yscaleinv; | ||
119 | extern float xscaleshrink, yscaleshrink; | ||
120 | |||
121 | extern int d_lightstylevalue[256]; // 8.8 frac of base light value | ||
122 | |||
123 | extern void TransformVector (vec3_t in, vec3_t out); | ||
124 | extern void SetUpForLineScan(fixed8_t startvertu, fixed8_t startvertv, | ||
125 | fixed8_t endvertu, fixed8_t endvertv); | ||
126 | |||
127 | extern int r_skymade; | ||
128 | extern void R_MakeSky (void); | ||
129 | |||
130 | extern int ubasestep, errorterm, erroradjustup, erroradjustdown; | ||
131 | |||
132 | // flags in finalvert_t.flags | ||
133 | #define ALIAS_LEFT_CLIP 0x0001 | ||
134 | #define ALIAS_TOP_CLIP 0x0002 | ||
135 | #define ALIAS_RIGHT_CLIP 0x0004 | ||
136 | #define ALIAS_BOTTOM_CLIP 0x0008 | ||
137 | #define ALIAS_Z_CLIP 0x0010 | ||
138 | // !!! if this is changed, it must be changed in d_ifacea.h too !!! | ||
139 | #define ALIAS_ONSEAM 0x0020 // also defined in modelgen.h; | ||
140 | // must be kept in sync | ||
141 | #define ALIAS_XY_CLIP_MASK 0x000F | ||
142 | |||
143 | // !!! if this is changed, it must be changed in asm_draw.h too !!! | ||
144 | typedef struct edge_s | ||
145 | { | ||
146 | fixed16_t u; | ||
147 | fixed16_t u_step; | ||
148 | struct edge_s *prev, *next; | ||
149 | unsigned short surfs[2]; | ||
150 | struct edge_s *nextremove; | ||
151 | float nearzi; | ||
152 | medge_t *owner; | ||
153 | } edge_t; | ||
154 | |||
155 | #endif // _R_SHARED_H_ | ||
156 | |||
157 | #endif // GLQUAKE | ||