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.
20 // disable data conversion warnings
23 //#pragma warning(disable : 4244) // MIPS
24 //#pragma warning(disable : 4136) // X86
25 //#pragma warning(disable : 4051) // ALPHA
26 #pragma warning(disable : 4244) // LordHavoc: MSVC++ 4 x86, double/float
27 #pragma warning(disable : 4305) // LordHavoc: MSVC++ 6 x86, double/float
28 #pragma warning(disable : 4018) // LordHavoc: MSVC++ 4 x86, signed/unsigned mismatch
33 #define strcasecmp stricmp
34 #define strncasecmp strnicmp
40 void GL_BeginRendering (int *x, int *y, int *width, int *height);
41 void GL_EndRendering (void);
43 extern int texture_extension_number;
45 extern float gldepthmin, gldepthmax;
47 void GL_Upload32 (void *data, int width, int height, qboolean mipmap, qboolean alpha);
48 void GL_Upload8 (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
49 int GL_LoadTexture (char *identifier, int width, int height, byte *data, qboolean mipmap, qboolean alpha, int bytesperpixel);
50 int GL_FindTexture (char *identifier);
61 extern int glx, gly, glwidth, glheight;
63 // r_local.h -- private refresh defs
65 #define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0)
66 // normalizing factor so player model works out to about
67 // 1 pixel per triangle
68 #define MAX_LBM_HEIGHT 480
70 #define BACKFACE_EPSILON 0.01
73 void R_TimeRefresh_f (void);
74 void R_ReadPointFile_f (void);
76 typedef struct surfcache_s
78 struct surfcache_s *next;
79 struct surfcache_s **owner; // NULL is an empty chunk of memory
80 int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
82 int size; // including header
84 unsigned height; // DEBUG only needed for debug
86 struct texture_s *texture; // checked for animating textures
87 byte data[4]; // width*height elements
93 pixel_t *surfdat; // destination for generated surface
94 msurface_t *surf; // description for surface to generate
95 fixed8_t lightadj[MAXLIGHTMAPS];
96 // adjust for lightmap levels for dynamic lighting
97 texture_t *texture; // corrected for animating textures
98 int surfmip; // mipmapped ratio of surface texels / world pixels
99 int surfwidth; // in mipmapped texels
100 int surfheight; // in mipmapped texels
103 // LordHavoc: added dust, smoke, snow, bloodcloud, and many others
105 pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2, pt_dust, pt_smoke, pt_snow, pt_bulletpuff, pt_bloodcloud, pt_fadespark, pt_fadespark2, pt_fallfadespark, pt_fallfadespark2, pt_bubble, pt_fade
108 // !!! if this is changed, it must be changed in d_ifacea.h too !!!
109 typedef struct particle_s
111 // driver-usable fields
114 // drivers never touch the following fields
115 struct particle_s *next;
120 // LordHavoc: added for improved particle effects
123 float alpha; // 0-255
124 float time2; // used for various things (snow fluttering, for example)
125 vec3_t vel2; // used for snow fluttering (base velocity, wind for instance)
126 vec3_t pushvel; // temporary boost from explosions
130 //====================================================
133 extern entity_t r_worldentity;
134 extern qboolean r_cache_thrash; // compatability
135 extern vec3_t modelorg, r_entorigin;
136 extern entity_t *currententity;
137 extern int r_visframecount; // ??? what difs?
138 extern int r_framecount;
139 extern mplane_t frustum[4];
140 extern int c_brush_polys, c_alias_polys;
148 extern vec3_t vright;
149 extern vec3_t r_origin;
154 extern refdef_t r_refdef;
155 extern mleaf_t *r_viewleaf, *r_oldviewleaf;
156 extern texture_t *r_notexture_mip;
157 extern int d_lightstylevalue[256]; // 8.8 fraction of base light value
159 extern qboolean envmap;
160 extern int cnttextures[2];
161 // LordHavoc: moved all code relating to particles into r_part.c
162 //extern int particletexture;
163 extern int playertextures;
165 extern int skytexturenum; // index in cl.loadmodel, not gl texture object
167 //extern cvar_t r_norefresh;
168 extern cvar_t r_drawentities;
169 //extern cvar_t r_drawworld;
170 extern cvar_t r_drawviewmodel;
171 extern cvar_t r_speeds;
172 //extern cvar_t r_waterwarp;
173 extern cvar_t r_fullbright;
174 //extern cvar_t r_lightmap;
175 extern cvar_t r_shadows;
176 extern cvar_t r_wateralpha;
177 extern cvar_t r_dynamic;
178 extern cvar_t r_novis;
179 extern cvar_t r_waterripple;
181 //extern cvar_t gl_cull;
182 //extern cvar_t gl_poly;
183 //extern cvar_t gl_smoothmodels;
184 //extern cvar_t gl_affinemodels;
185 //extern cvar_t gl_polyblend;
186 //extern cvar_t gl_keeptjunctions;
187 //extern cvar_t gl_reporttjunctions;
188 //extern cvar_t gl_flashblend;
189 //extern cvar_t gl_nocolors;
190 //extern cvar_t gl_doubleeyes;
192 extern cvar_t gl_max_size;
193 extern cvar_t gl_playermip;
195 extern float r_world_matrix[16];
197 extern const char *gl_vendor;
198 extern const char *gl_renderer;
199 extern const char *gl_version;
200 extern const char *gl_extensions;
202 void R_TranslatePlayerSkin (int playernum);
205 #define TEXTURE0_SGIS 0x835E
206 #define TEXTURE1_SGIS 0x835F
209 #define APIENTRY /* */
212 extern qboolean gl_mtexable;
214 // LordHavoc: ARB multitexure support
215 extern int gl_mtex_enum;
216 // Micro$oft dropped GL support beyond 1.1, so...
219 //#define GL_POLYGON_OFFSET_POINT 0x2A01
220 //#define GL_POLYGON_OFFSET_LINE 0x2A02
221 //#define GL_POLYGON_OFFSET_FILL 0x8037
223 #define GL_ACTIVE_TEXTURE_ARB 0x84E0
224 #define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
225 #define GL_MAX_TEXTURES_UNITS_ARB 0x84E2
226 #define GL_TEXTURE0_ARB 0x84C0
227 #define GL_TEXTURE1_ARB 0x84C1
228 #define GL_TEXTURE2_ARB 0x84C2
229 #define GL_TEXTURE3_ARB 0x84C3
230 // LordHavoc: ARB supports 32+ texture units, but hey I only use 2 anyway...
232 // LordHavoc: vertex array defines
233 #define GL_VERTEX_ARRAY 0x8074
234 //#define GL_NORMAL_ARRAY 0x8075
235 #define GL_COLOR_ARRAY 0x8076
236 //#define GL_INDEX_ARRAY 0x8077
237 #define GL_TEXTURE_COORD_ARRAY 0x8078
238 //#define GL_EDGE_FLAG_ARRAY 0x8079
240 #define GL_V2F 0x2A20
241 #define GL_V3F 0x2A21
242 #define GL_C4UB_V2F 0x2A22
243 #define GL_C4UB_V3F 0x2A23
244 #define GL_C3F_V3F 0x2A24
245 #define GL_N3F_V3F 0x2A25
246 #define GL_C4F_N3F_V3F 0x2A26
247 #define GL_T2F_V3F 0x2A27
248 #define GL_T4F_V4F 0x2A28
249 #define GL_T2F_C4UB_V3F 0x2A29
250 #define GL_T2F_C3F_V3F 0x2A2A
251 #define GL_T2F_N3F_V3F 0x2A2B
252 #define GL_T2F_C4F_N3F_V3F 0x2A2C
253 #define GL_T4F_C4F_N3F_V4F 0x2A2D
256 //extern void (APIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
257 extern void (APIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
258 //extern void (APIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
259 extern void (APIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
260 //extern void (APIENTRY *qglIndexPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
261 extern void (APIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
262 //extern void (APIENTRY *qglEdgeFlagPointer)(GLsizei stride, const GLvoid *ptr);
263 //extern void (APIENTRY *qglGetPointerv)(GLenum pname, void **params);
264 extern void (APIENTRY *qglArrayElement)(GLint i);
265 //extern void (APIENTRY *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
266 extern void (APIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
267 //extern void (APIENTRY *qglInterleavedArrays)(GLenum format, GLsizei stride, const GLvoid *pointer);
269 extern void (APIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
270 extern void (APIENTRY *qglSelectTexture) (GLenum);
271 extern void (APIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
275 //#define qglPolygonOffset glPolygonOffset
276 #define qglVertexPointer glVertexPointer
277 //#define qglNormalPointer glNormalPointer
278 #define qglColorPointer glColorPointer
279 //#define qglIndexPointer glIndexPointer
280 #define qglTexCoordPointer glTexCoordPointer
281 //#define qglEdgeFlagPointer glEdgeFlagPointer
282 //#define qglGetPointerv glGetPointerv
283 #define qglArrayElement glArrayElement
284 //#define qglDrawArrays glDrawArrays
285 #define qglDrawElements glDrawElements
286 //#define qglInterleavedArrays glInterleavedArrays
288 extern void (*qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
289 extern void (*qglSelectTexture) (GLenum);
291 extern void (*glColorTableEXT)(int, int, int, int, int, const void*);
296 // LordHavoc: vertex transform
297 #include "transform.h"
299 // LordHavoc: transparent polygon system
302 #define gl_solid_format 3
303 #define gl_alpha_format 4
307 // LordHavoc: was a major time waster
308 #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)
310 extern qboolean fogenabled;
311 extern vec3_t fogcolor;
312 extern vec_t fogdensity;
313 //#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2])*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2]))))
314 #define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0])*((v)[0] - r_refdef.vieworg[0])+((v)[1] - r_refdef.vieworg[1])*((v)[1] - r_refdef.vieworg[1])+((v)[2] - r_refdef.vieworg[2])*((v)[2] - r_refdef.vieworg[2])))))
315 #define calcfogbyte(v) ((byte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))