2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
21 // refresh.h -- public interface to refresh functions
24 extern float ixtable[4096];
26 // far clip distance for scene
27 extern float r_farclip, r_newfarclip;
30 extern void FOG_clear(void);
31 extern float fog_density, fog_red, fog_green, fog_blue;
34 extern int R_SetSkyBox(char* sky);
35 extern cvar_t r_skyquality;
36 // these are exposed because surface rendering uses them
37 extern rtexture_t *solidskytexture;
38 extern rtexture_t *alphaskytexture;
39 extern rtexture_t *mergeskytexture;
40 extern int skyrendernow, skyrendermasked, skyrenderglquake;
41 extern cvar_t r_mergesky;
42 extern void R_SkyStartFrame(void);
43 extern void R_Sky(void);
45 // SHOWLMP stuff (Nehahra)
46 extern void SHOWLMP_decodehide(void);
47 extern void SHOWLMP_decodeshow(void);
48 extern void SHOWLMP_drawall(void);
49 extern void SHOWLMP_clear(void);
51 // render profiling stuff
52 extern qboolean intimerefresh;
53 extern char r_speeds_string[1024];
56 extern vec3_t lightspot;
57 extern cvar_t r_ambient;
58 extern int lightscalebit;
59 extern float lightscale;
61 // model rendering stuff
62 extern float *aliasvert;
63 extern float *aliasvertnorm;
64 extern float *aliasvertcolor;
67 extern cvar_t r_novis;
69 // model transform stuff
70 //extern cvar_t gl_transform;
72 #define TOP_RANGE 16 // soldier uniform colors
73 #define BOTTOM_RANGE 96
75 //=============================================================================
77 //extern qboolean r_cache_thrash; // compatability
78 extern entity_render_t *currentrenderentity;
79 extern int r_framecount;
80 extern mplane_t frustum[4];
81 extern int c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
90 extern vec3_t r_origin;
92 extern mleaf_t *r_viewleaf, *r_oldviewleaf;
93 extern unsigned short d_lightstylevalue[256]; // 8.8 fraction of base light value
95 extern qboolean envmap;
97 extern cvar_t r_drawentities;
98 extern cvar_t r_drawviewmodel;
99 extern cvar_t r_speeds;
100 extern cvar_t r_fullbright;
101 extern cvar_t r_wateralpha;
102 extern cvar_t r_dynamic;
103 extern cvar_t r_waterripple;
105 //extern float r_world_matrix[16];
108 void R_RenderView (void); // must set r_refdef first
111 void R_InitSky (byte *src, int bytesperpixel); // called at level load
113 //int R_VisibleCullBox (vec3_t mins, vec3_t maxs);
115 void R_NewMap (void);
117 void R_DrawWorld(void);
118 void R_SetupForWorldRendering(void);
119 void R_MarkWorldLights(void);
120 void R_PrepareSurfaces(void);
121 void R_DrawSurfaces(int type);
122 void R_DrawPortals(void);
123 void R_DrawParticles(void);
124 void R_DrawExplosions(void);
128 // LordHavoc: vertex transform
129 #include "transform.h"
131 #define gl_solid_format 3
132 #define gl_alpha_format 4
136 // LordHavoc: was a major time waster
137 #define R_CullBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) == 2 || frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) == 2 || frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) == 2 || frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) == 2)
138 #define R_NotCulledBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) != 2 && frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) != 2 && frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) != 2 && frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) != 2)
140 extern qboolean fogenabled;
141 extern vec3_t fogcolor;
142 extern vec_t fogdensity;
143 //#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_origin[0]) * vpn[0] + ((v)[1] - r_origin[1]) * vpn[1] + ((v)[2] - r_origin[2]) * vpn[2])*(((v)[0] - r_origin[0]) * vpn[0] + ((v)[1] - r_origin[1]) * vpn[1] + ((v)[2] - r_origin[2]) * vpn[2]))))
144 #define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_origin[0])*((v)[0] - r_origin[0])+((v)[1] - r_origin[1])*((v)[1] - r_origin[1])+((v)[2] - r_origin[2])*((v)[2] - r_origin[2])))))
145 #define calcfogbyte(v) ((byte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))
147 #include "r_modules.h"
149 extern float overbrightscale;
151 #include "r_lerpanim.h"
153 void R_DrawBrushModelSky (void);
154 void R_DrawBrushModelNormal (void);
155 void R_DrawAliasModel (void);
156 void R_DrawSpriteModel (void);
158 void R_ClipSprite (void);
159 void R_Entity_Callback(void *data, void *junk);
161 extern cvar_t r_render;
165 extern cvar_t r_multitexture;
166 extern cvar_t gl_dither;
168 // FIXME: this should live in the backend only
169 void GL_LockArray(int first, int count);
170 void GL_UnlockArray(void);
172 #include "gl_backend.h"
176 extern rtexture_t *particlefonttexture;
178 // particletexture_t is a rectangle in the particlefonttexture
181 float s1, t1, s2, t2;
185 #define MAX_PARTICLETEXTURES 64
186 // [0] is normal, [1] is fog, they may be the same
187 extern particletexture_t particletexture[MAX_PARTICLETEXTURES][2];
189 void R_TimeReport(char *name);
190 void R_TimeReport_Start(void);
191 void R_TimeReport_End(void);
194 void R_Stain (vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2);