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.
23 #define MAX_PARTICLES 16384 // default max # of particles at one time
24 #define ABSOLUTE_MIN_PARTICLES 512 // no fewer than this no matter what's on the command line
28 pt_static, pt_grav, pt_blob, pt_blob2, pt_bulletsmoke, pt_smoke, pt_snow, pt_rain, pt_spark, pt_bubble, pt_fade, pt_steam, pt_splash, pt_splashpuff, pt_flame, pt_blood, pt_oneframe, pt_lavasplash, pt_raindropsplash, pt_underwaterspark, pt_explosionsplash
32 #define P_TEXNUM_FIRSTBIT 0
33 #define P_TEXNUM_BITS 6
34 #define P_ORIENTATION_FIRSTBIT (P_TEXNUM_FIRSTBIT + P_TEXNUM_BITS)
35 #define P_ORIENTATION_BITS 2
36 #define P_FLAGS_FIRSTBIT (P_ORIENTATION_FIRSTBIT + P_ORIENTATION_BITS)
37 #define P_DYNLIGHT (1 << (P_FLAGS_FIRSTBIT + 0))
38 #define P_ADDITIVE (1 << (P_FLAGS_FIRSTBIT + 1))
40 typedef struct particle_s
44 //int orientation; // typically PARTICLE_BILLBOARD
53 float time2; // used for various things (snow fluttering, for example)
54 float bounce; // how much bounce-back from a surface the particle hits (0 = no physics, 1 = stop and slide, 2 = keep bouncing forever, 1.5 is typical)
56 vec3_t vel2; // used for snow fluttering (base velocity, wind for instance)
57 float friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
58 float pressure; // if non-zero, apply pressure to other particles
59 //int dynlight; // if set the particle will be dynamically lit (if cl_dynamicparticles is on), used for smoke and blood
64 static int particlepalette[256] =
66 0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
67 0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
68 0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
69 0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
70 0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
71 0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
72 0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
73 0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
74 0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
75 0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
76 0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
77 0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
78 0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
79 0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
80 0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
81 0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
82 0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
83 0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
84 0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
85 0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
86 0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
87 0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
88 0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
89 0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
90 0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
91 0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
92 0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
93 0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
94 0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
95 0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
96 0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
97 0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
100 static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
101 //static int explounderwatersparkramp[8] = {0x00074b, 0x000f6f, 0x071f93, 0x0f33b7, 0x2b63cf, 0x4f97e3, 0xb5e7ff, 0xffffff};
103 // these must match r_part.c's textures
104 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
105 static const int tex_rainsplash[16] = {8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
106 static const int tex_particle = 24;
107 static const int tex_rain = 25;
108 static const int tex_bubble = 26;
109 //static const int tex_rocketglow = 27;
111 static int cl_maxparticles;
112 static int cl_numparticles;
113 static particle_t *particles;
114 static particle_t **freeparticles; // list used only in compacting particles array
115 //static renderparticle_t *cl_renderparticles;
117 static cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
118 static cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
119 static cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
120 static cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
121 static cvar_t cl_particles_blood_size_min = {CVAR_SAVE, "cl_particles_blood_size_min", "5"};
122 static cvar_t cl_particles_blood_size_max = {CVAR_SAVE, "cl_particles_blood_size_max", "10"};
123 static cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "0.5"};
124 static cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
125 static cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
126 static cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
127 static cvar_t cl_particles_explosions = {CVAR_SAVE, "cl_particles_explosions", "0"};
129 static mempool_t *cl_part_mempool;
131 void CL_Particles_Clear(void)
141 void CL_ReadPointFile_f (void);
142 void CL_Particles_Init (void)
146 i = COM_CheckParm ("-particles");
150 cl_maxparticles = (int)(atoi(com_argv[i+1]));
151 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
152 cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
155 cl_maxparticles = MAX_PARTICLES;
157 Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
159 Cvar_RegisterVariable (&cl_particles);
160 Cvar_RegisterVariable (&cl_particles_size);
161 Cvar_RegisterVariable (&cl_particles_bloodshowers);
162 Cvar_RegisterVariable (&cl_particles_blood);
163 Cvar_RegisterVariable (&cl_particles_blood_size_min);
164 Cvar_RegisterVariable (&cl_particles_blood_size_max);
165 Cvar_RegisterVariable (&cl_particles_blood_alpha);
166 Cvar_RegisterVariable (&cl_particles_smoke);
167 Cvar_RegisterVariable (&cl_particles_sparks);
168 Cvar_RegisterVariable (&cl_particles_bubbles);
169 Cvar_RegisterVariable (&cl_particles_explosions);
171 cl_part_mempool = Mem_AllocPool("CL_Part");
172 particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
173 freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
176 // FIXME: r_refdef stuff should be allocated somewhere else?
177 //r_refdef.particles = cl_renderparticles = Mem_Alloc(cl_refdef_mempool, cl_maxparticles * sizeof(renderparticle_t));
180 #define particle(ptype, porientation, pcolor1, pcolor2, ptex, plight, padditive, pscalex, pscaley, palpha, ptime, pbounce, px, py, pz, pvx, pvy, pvz, ptime2, pvx2, pvy2, pvz2, pfriction, ppressure)\
182 if (cl_numparticles >= cl_maxparticles)\
186 int tempcolor, tempcolor2, cr1, cg1, cb1, cr2, cg2, cb2;\
187 unsigned int partflags;\
188 partflags = ((porientation) << P_ORIENTATION_FIRSTBIT) | ((ptex) << P_TEXNUM_FIRSTBIT);\
190 partflags |= P_ADDITIVE;\
192 partflags |= P_DYNLIGHT;\
193 tempcolor = (pcolor1);\
194 tempcolor2 = (pcolor2);\
195 cr2 = ((tempcolor2) >> 16) & 0xFF;\
196 cg2 = ((tempcolor2) >> 8) & 0xFF;\
197 cb2 = (tempcolor2) & 0xFF;\
198 if (tempcolor != tempcolor2)\
200 cr1 = ((tempcolor) >> 16) & 0xFF;\
201 cg1 = ((tempcolor) >> 8) & 0xFF;\
202 cb1 = (tempcolor) & 0xFF;\
203 tempcolor = rand() & 0xFF;\
204 cr2 = (((cr2 - cr1) * tempcolor) >> 8) + cr1;\
205 cg2 = (((cg2 - cg1) * tempcolor) >> 8) + cg1;\
206 cb2 = (((cb2 - cb1) * tempcolor) >> 8) + cb1;\
208 part = &particles[cl_numparticles++];\
209 part->type = (ptype);\
210 part->color[0] = cr2;\
211 part->color[1] = cg2;\
212 part->color[2] = cb2;\
213 part->color[3] = 0xFF;\
214 part->flags = partflags;\
215 /*part->tex = (ptex);*/\
216 /*part->orientation = (porientation);*/\
217 /*part->dynlight = (plight);*/\
218 /*part->additive = (padditive);*/\
219 part->scalex = (pscalex);\
220 part->scaley = (pscaley);\
221 part->alpha = (palpha);\
222 part->die = cl.time + (ptime);\
223 part->bounce = (pbounce);\
224 part->org[0] = (px);\
225 part->org[1] = (py);\
226 part->org[2] = (pz);\
227 part->vel[0] = (pvx);\
228 part->vel[1] = (pvy);\
229 part->vel[2] = (pvz);\
230 part->time2 = (ptime2);\
231 part->vel2[0] = (pvx2);\
232 part->vel2[1] = (pvy2);\
233 part->vel2[2] = (pvz2);\
234 part->friction = (pfriction);\
235 part->pressure = (ppressure);\
244 void CL_EntityParticles (entity_t *ent)
248 float sp, sy, cp, cy;
252 static vec3_t avelocities[NUMVERTEXNORMALS];
253 if (!cl_particles.integer) return;
258 if (!avelocities[0][0])
259 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
260 avelocities[0][i] = (rand()&255) * 0.01;
262 for (i=0 ; i<NUMVERTEXNORMALS ; i++)
264 angle = cl.time * avelocities[i][0];
267 angle = cl.time * avelocities[i][1];
275 particle(pt_oneframe, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, false, 2, 2, 255, 9999, 0, ent->render.origin[0] + m_bytenormals[i][0]*dist + forward[0]*beamlength, ent->render.origin[1] + m_bytenormals[i][1]*dist + forward[1]*beamlength, ent->render.origin[2] + m_bytenormals[i][2]*dist + forward[2]*beamlength, 0, 0, 0, 0, 0, 0, 0, 0, 0);
280 void CL_ReadPointFile_f (void)
284 char *pointfile, *pointfilepos, *t, tchar;
286 pointfile = COM_LoadFile(va("maps/%s.pts", sv.name), true);
289 Con_Printf ("couldn't open %s.pts\n", sv.name);
293 Con_Printf ("Reading %s.pts...\n", sv.name);
295 pointfilepos = pointfile;
296 while (*pointfilepos)
298 while (*pointfilepos == '\n' || *pointfilepos == '\r')
303 while (*t && *t != '\n' && *t != '\r')
307 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
314 if (cl_numparticles >= cl_maxparticles)
316 Con_Printf ("Not enough free particles\n");
319 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[(-c)&15], particlepalette[(-c)&15], tex_particle, false, false, 2, 2, 255, 99999, 0, org[0], org[1], org[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
323 Con_Printf ("%i points read\n", c);
328 CL_ParseParticleEffect
330 Parse an effect out of the server message
333 void CL_ParseParticleEffect (void)
336 int i, count, msgcount, color;
338 for (i=0 ; i<3 ; i++)
339 org[i] = MSG_ReadCoord ();
340 for (i=0 ; i<3 ; i++)
341 dir[i] = MSG_ReadChar () * (1.0/16);
342 msgcount = MSG_ReadByte ();
343 color = MSG_ReadByte ();
350 CL_RunParticleEffect (org, dir, color, count);
359 void CL_ParticleExplosion (vec3_t org, int smoke)
362 R_Stain(org, 96, 80, 80, 80, 128, 176, 176, 176, 128);
364 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
365 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
366 for (i = 0;i < 128;i++)
367 particle(pt_bubble, PARTICLE_BILLBOARD, 0x808080, 0xFFFFFF, tex_bubble, false, true, 2, 2, 255, 9999, 1.5, org[0] + lhrandom(-16, 16), org[1] + lhrandom(-16, 16), org[2] + lhrandom(-16, 16), lhrandom(-96, 96), lhrandom(-96, 96), lhrandom(-96, 96), 0, 0, 0, 0, 0, 0);
369 if (cl_particles.integer && cl_particles_explosions.integer)
374 qbyte noise1[32*32], noise2[32*32];
376 VectorClear(end); // hush MSVC
377 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
378 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
380 //for (i = 0;i < 128;i++)
381 // particle(pt_bubble, PARTICLE_BILLBOARD, 0x808080, 0xFFFFFF, tex_bubble, false, true, 2, 2, 255, 9999, 1.5, org[0] + lhrandom(-16, 16), org[1] + lhrandom(-16, 16), org[2] + lhrandom(-16, 16), lhrandom(-96, 96), lhrandom(-96, 96), lhrandom(-96, 96), 0, 0, 0, 0, 0, 0);
383 ang[2] = lhrandom(0, 360);
384 fractalnoisequick(noise1, 32, 4);
385 fractalnoisequick(noise2, 32, 8);
386 for (i = 0;i < 32;i++)
388 for (j = 0;j < 32;j++)
391 VectorMA(org, 16, v, v);
392 TraceLine(org, v, end, NULL, 0, true);
393 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
394 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
395 AngleVectors(ang, v, NULL, NULL);
396 f = noise1[j*32+i] * 1.5f;
397 VectorScale(v, f, v);
398 k = noise2[j*32+i] * 0x010101;
399 particle(pt_underwaterspark, PARTICLE_BILLBOARD, k, k, tex_smoke[rand()&7], false, true, 10, 10, lhrandom(128, 255), 9999, 1.5, end[0], end[1], end[2], v[0], v[1], v[2], 512.0f, 0, 0, 0, 2, 0);
400 VectorScale(v, 0.75, v);
401 k = explosparkramp[(noise2[j*32+i] >> 5)];
402 particle(pt_underwaterspark, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 10, 10, lhrandom(128, 255), 9999, 1.5, end[0], end[1], end[2], v[0], v[1], v[2], 512.0f, 0, 0, 0, 2, 0);
408 ang[2] = lhrandom(0, 360);
409 fractalnoisequick(noise1, 32, 4);
410 fractalnoisequick(noise2, 32, 8);
411 for (i = 0;i < 32;i++)
413 for (j = 0;j < 32;j++)
416 VectorMA(org, 16, v, v);
417 TraceLine(org, v, end, NULL, 0, true);
418 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
419 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
420 AngleVectors(ang, v, NULL, NULL);
421 f = noise1[j*32+i] * 1.5f;
422 VectorScale(v, f, v);
423 k = noise2[j*32+i] * 0x010101;
424 particle(pt_spark, PARTICLE_BILLBOARD, k, k, tex_smoke[rand()&7], false, true, 10, 10, lhrandom(128, 255), 9999, 1.5, end[0], end[1], end[2], v[0], v[1], v[2] + 160.0f, 512.0f, 0, 0, 0, 2, 0);
425 VectorScale(v, 0.75, v);
426 k = explosparkramp[(noise2[j*32+i] >> 5)];
427 particle(pt_spark, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 10, 10, lhrandom(128, 255), 9999, 1.5, end[0], end[1], end[2], v[0], v[1], v[2] + 160.0f, 512.0f, 0, 0, 0, 2, 0);
429 // VectorScale(v, 384, v);
430 // particle(pt_spark, PARTICLE_BILLBOARD, explosparkramp[rand()&7], tex_particle, false, true, 2, 2, lhrandom(16, 255), 9999, 1.5, end[0], end[1], end[2], v[0], v[1], v[2] + 160.0f, 512.0f, 0, 0, 0, 2, 0);
440 for (i = 0;i < 256;i++)
446 while(DotProduct(v,v) < 0.75);
447 VectorScale(v, 512, v);
448 k = explosparkramp[rand()&7];
449 particle(pt_spark, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 4, 4, 255, 9999, 1.5, org[0], org[1], org[2], v[0], v[1], v[2] + 160.0f, 512.0f, 0, 0, 0, 2, 0);
458 CL_ParticleExplosion2
462 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
465 if (!cl_particles.integer) return;
467 for (i = 0;i < 512;i++)
469 k = particlepalette[colorStart + (i % colorLength)];
470 particle(pt_fade, PARTICLE_BILLBOARD, k, k, tex_particle, false, false, 1.5, 1.5, 255, 0.3, 0, org[0] + lhrandom(-8, 8), org[1] + lhrandom(-8, 8), org[2] + lhrandom(-8, 8), lhrandom(-192, 192), lhrandom(-192, 192), lhrandom(-192, 192), 384, 0, 0, 0, 1, 0);
480 void CL_BlobExplosion (vec3_t org)
483 if (!cl_particles.integer) return;
485 R_Stain(org, 96, 80, 80, 80, 128, 176, 176, 176, 128);
486 //R_Stain(org, 96, 96, 64, 96, 128, 160, 128, 160, 128);
490 //for (i = 0;i < 256;i++)
491 // particle(pt_blob , PARTICLE_BILLBOARD, particlepalette[ 66+(rand()%6)], tex_particle, false, true, 4, 4, 255, 9999, 0, org[0] + lhrandom(-16, 16), org[1] + lhrandom(-16, 16), org[2] + lhrandom(-16, 16), lhrandom(-4, 4), lhrandom(-4, 4), lhrandom(-128, 128), 0, 0, 0, 0, 0, 0);
492 //for (i = 0;i < 256;i++)
493 // particle(pt_blob2, PARTICLE_BILLBOARD, particlepalette[150+(rand()%6)], tex_particle, false, true, 4, 4, 255, 9999, 0, org[0] + lhrandom(-16, 16), org[1] + lhrandom(-16, 16), org[2] + lhrandom(-16, 16), lhrandom(-4, 4), lhrandom(-4, 4), lhrandom(-128, 128), 0, 0, 0, 0, 0, 0);
502 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
505 if (!cl_particles.integer) return;
509 CL_ParticleExplosion(org, false);
514 k = particlepalette[color + (rand()&7)];
515 particle(pt_fade, PARTICLE_BILLBOARD, k, k, tex_particle, false, false, 1, 1, 128, 9999, 0, org[0] + lhrandom(-8, 8), org[1] + lhrandom(-8, 8), org[2] + lhrandom(-8, 8), lhrandom(-15, 15), lhrandom(-15, 15), lhrandom(-15, 15), 384, 0, 0, 0, 0, 0);
519 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
525 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
528 if (!cl_particles.integer) return;
530 R_Stain(org, 32, 96, 96, 96, 32, 128, 128, 128, 32);
533 if (cl_particles_smoke.integer)
534 particle(pt_bulletsmoke, PARTICLE_BILLBOARD, 0xA0A0A0, 0xFFFFFF, tex_smoke[rand()&7], true, true, 2, 2, 255, 9999, 0, org[0], org[1], org[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(0, 16), 0, 0, 0, 0, 0, 0);
536 if (cl_particles_sparks.integer)
541 k = particlepalette[0x68 + (rand() & 7)];
542 particle(pt_spark, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 1, 1, lhrandom(64, 128), 9999, 0, org[0], org[1], org[2], lhrandom(-64, 64) + dir[0], lhrandom(-64, 64) + dir[1], lhrandom(0, 128) + dir[2], 480, 0, 0, 0, 1, 0);
547 void CL_PlasmaBurn (vec3_t org)
549 if (!cl_particles.integer) return;
551 R_Stain(org, 48, 96, 96, 96, 48, 128, 128, 128, 48);
554 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
557 // bloodcount is used to accumulate counts too small to cause a blood particle
558 static int bloodcount = 0;
559 if (!cl_particles.integer) return;
560 if (!cl_particles_blood.integer) return;
567 while(bloodcount > 0)
569 r = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
570 particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, r, r, cl_particles_blood_alpha.value * 255, 9999, -1, org[0], org[1], org[2], vel[0] + lhrandom(-s, s), vel[1] + lhrandom(-s, s), vel[2] + lhrandom(-s, s), 0, 0, 0, 0, 1, 0);
575 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
579 vec3_t diff, center, velscale;
580 if (!cl_particles.integer) return;
581 if (!cl_particles_bloodshowers.integer) return;
582 if (!cl_particles_blood.integer) return;
584 VectorSubtract(maxs, mins, diff);
585 center[0] = (mins[0] + maxs[0]) * 0.5;
586 center[1] = (mins[1] + maxs[1]) * 0.5;
587 center[2] = (mins[2] + maxs[2]) * 0.5;
588 // FIXME: change velspeed back to 2.0x after fixing mod
589 velscale[0] = velspeed * 2.0 / diff[0];
590 velscale[1] = velspeed * 2.0 / diff[1];
591 velscale[2] = velspeed * 2.0 / diff[2];
597 org[0] = lhrandom(mins[0], maxs[0]);
598 org[1] = lhrandom(mins[1], maxs[1]);
599 org[2] = lhrandom(mins[2], maxs[2]);
600 vel[0] = (org[0] - center[0]) * velscale[0];
601 vel[1] = (org[1] - center[1]) * velscale[1];
602 vel[2] = (org[2] - center[2]) * velscale[2];
603 r = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
605 particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, r, r, cl_particles_blood_alpha.value * 255, 9999, -1, org[0], org[1], org[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, 1, 0);
609 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
613 if (!cl_particles.integer) return;
614 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
615 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
616 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
620 k = particlepalette[colorbase + (rand()&3)];
621 particle(gravity ? pt_grav : pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, false, 2, 2, 255, lhrandom(1, 2), 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), dir[0] + lhrandom(-randomvel, randomvel), dir[1] + lhrandom(-randomvel, randomvel), dir[2] + lhrandom(-randomvel, randomvel), 0, 0, 0, 0, 0, 0);
625 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
630 if (!cl_particles.integer) return;
631 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
632 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
633 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
634 if (dir[2] < 0) // falling
636 t = (maxs[2] - mins[2]) / -dir[2];
641 t = (maxs[2] - mins[2]) / dir[2];
644 if (t < 0 || t > 2) // sanity check
650 count *= 4; // ick, this should be in the mod or maps?
654 vel[0] = dir[0] + lhrandom(-16, 16);
655 vel[1] = dir[1] + lhrandom(-16, 16);
656 vel[2] = dir[2] + lhrandom(-32, 32);
657 k = particlepalette[colorbase + (rand()&3)];
658 particle(pt_rain, PARTICLE_UPRIGHT_FACING, k, k, tex_particle, true, true, 1, 64, 64, t, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), z, vel[0], vel[1], vel[2], 0, vel[0], vel[1], vel[2], 0, 0);
664 vel[0] = dir[0] + lhrandom(-16, 16);
665 vel[1] = dir[1] + lhrandom(-16, 16);
666 vel[2] = dir[2] + lhrandom(-32, 32);
667 k = particlepalette[colorbase + (rand()&3)];
668 particle(pt_snow, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 2, 2, 255, t, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), z, vel[0], vel[1], vel[2], 0, vel[0], vel[1], vel[2], 0, 0);
672 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
676 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
680 if (!cl_particles.integer) return;
681 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
682 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
683 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
687 k = particlepalette[224 + (rand()&15)];
688 particle(pt_flame, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 8, 8, 255, 9999, 1.1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), lhrandom(-32, 32), lhrandom(-32, 32), lhrandom(-32, 64), 0, 0, 0, 0, 1, 0);
692 void CL_Flames (vec3_t org, vec3_t vel, int count)
695 if (!cl_particles.integer) return;
699 k = particlepalette[224 + (rand()&15)];
700 particle(pt_flame, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 8, 8, 255, 9999, 1.1, org[0], org[1], org[2], vel[0] + lhrandom(-128, 128), vel[1] + lhrandom(-128, 128), vel[2] + lhrandom(-128, 128), 0, 0, 0, 0, 1, 0);
712 void CL_LavaSplash (vec3_t origin)
717 if (!cl_particles.integer) return;
719 for (i=-128 ; i<128 ; i+=16)
721 for (j=-128 ; j<128 ; j+=16)
723 dir[0] = j + lhrandom(0, 8);
724 dir[1] = i + lhrandom(0, 8);
726 org[0] = origin[0] + dir[0];
727 org[1] = origin[1] + dir[1];
728 org[2] = origin[2] + lhrandom(0, 64);
729 vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
730 k = particlepalette[224 + (rand()&7)];
731 particle(pt_lavasplash, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 7, 7, 255, 9999, 0, org[0], org[1], org[2], dir[0] * vel, dir[1] * vel, dir[2] * vel, 0, 0, 0, 0, 0, 0);
742 void CL_TeleportSplash (vec3_t org)
745 if (!cl_particles.integer) return;
747 for (i=-16 ; i<16 ; i+=8)
748 for (j=-16 ; j<16 ; j+=8)
749 for (k=-24 ; k<32 ; k+=8)
750 //particle(pt_fade, PARTICLE_BILLBOARD, 0xA0A0A0, 0xFFFFFF, tex_particle, false, true, 1.5, 1.5, lhrandom(64, 128), 9999, 0, org[0] + i + lhrandom(0, 8), org[1] + j + lhrandom(0, 8), org[2] + k + lhrandom(0, 8), i*2 + lhrandom(-12.5, 12.5), j*2 + lhrandom(-12.5, 12.5), k*2 + lhrandom(27.5, 52.5), 384.0f, 0, 0, 0, 1, 0);
751 particle(pt_fade, PARTICLE_BILLBOARD, 0xA0A0A0, 0xFFFFFF, tex_particle, false, true, 10, 10, lhrandom(64, 128), 9999, 0, org[0] + i + lhrandom(0, 8), org[1] + j + lhrandom(0, 8), org[2] + k + lhrandom(0, 8), lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-256, 256), 256.0f, 0, 0, 0, 1, 0);
754 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
756 vec3_t vec, dir, vel, pos;
757 float len, dec, speed;
758 int contents, bubbles;
759 if (!cl_particles.integer) return;
761 VectorSubtract(end, start, dir);
762 VectorNormalize(dir);
764 //if (type == 0 && host_frametime != 0) // rocket glow
765 // particle(pt_oneframe, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_rocketglow, false, true, 24, 24, 255, 9999, 0, end[0] - 12 * dir[0], end[1] - 12 * dir[1], end[2] - 12 * dir[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
767 VectorSubtract (end, start, vec);
768 len = VectorNormalizeLength (vec);
769 dec = -ent->persistent.trail_time;
770 ent->persistent.trail_time += len;
771 if (ent->persistent.trail_time < 0.01f)
774 speed = 1.0f / (ent->state_current.time - ent->state_previous.time);
775 VectorSubtract(ent->state_current.origin, ent->state_previous.origin, vel);
776 VectorScale(vel, speed, vel);
778 // advance into this frame to reach the first puff location
779 VectorMA(start, dec, vec, pos);
782 // if we skip out, leave it reset
783 ent->persistent.trail_time = 0.0f;
785 contents = Mod_PointInLeaf(pos, cl.worldmodel)->contents;
786 if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
789 bubbles = (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
795 case 0: // rocket trail
796 if (!cl_particles_smoke.integer)
799 //particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_particle, true, false, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 256.0f, 0, 0, 0, 0, 0);
801 particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 256.0f, 0, 0, 0, 0, 0);
802 //particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-10, 10), lhrandom(-10, 10), lhrandom(-10, 10), 128.0f, 0, 0, 0, 0, 0);
804 //particle(pt_smoke, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], false, true, 2, 2, 160, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
805 if (bubbles && cl_particles_bubbles.integer)
807 particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, true, 2, 2, 255, 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
808 //particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, true, 2, 2, 255, 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
812 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, true, 2, 2, lhrandom(128, 255), 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-64, 64), 512.0f, 0, 0, 0, 1, 0);
813 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, true, 2, 2, lhrandom(128, 255), 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-64, 64), 512.0f, 0, 0, 0, 1, 0);
814 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, true, 1, 1, lhrandom(128, 255), 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-64, 64) - vel[0] * 0.0625, lhrandom(-64, 64) - vel[1] * 0.0625, lhrandom(-64, 64) - vel[2] * 0.0625, 512.0f, 0, 0, 0, 1, 0);
815 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, true, 1, 1, lhrandom(128, 255), 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-64, 64) - vel[0] * 0.0625, lhrandom(-64, 64) - vel[1] * 0.0625, lhrandom(-64, 64) - vel[2] * 0.0625, 512.0f, 0, 0, 0, 1, 0);
816 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, true, 1, 1, lhrandom(128, 255), 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-64, 64) - vel[0] * 0.0625, lhrandom(-64, 64) - vel[1] * 0.0625, lhrandom(-64, 64) - vel[2] * 0.0625, 512.0f, 0, 0, 0, 1, 0);
817 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, true, 1, 1, lhrandom(128, 255), 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-64, 64) - vel[0] * 0.0625, lhrandom(-64, 64) - vel[1] * 0.0625, lhrandom(-64, 64) - vel[2] * 0.0625, 512.0f, 0, 0, 0, 1, 0);
821 case 1: // grenade trail
822 // FIXME: make it gradually stop smoking
823 if (!cl_particles_smoke.integer)
826 //particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_particle, true, false, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 256.0f, 0, 0, 0, 0, 0);
828 particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 256.0f, 0, 0, 0, 0, 0);
829 //particle(pt_smoke, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], false, true, 2, 2, 160, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
830 if (bubbles && cl_particles_bubbles.integer)
832 particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, true, 2, 2, 255, 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
833 //particle(pt_bubble, PARTICLE_BILLBOARD, c * 2, tex_bubble, false, true, 2, 2, 255, 9999, 1.5, pos[0], pos[1], pos[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
839 if (!cl_particles_blood.integer)
841 dec = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
842 particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, dec, dec, cl_particles_blood_alpha.value * 255.0f, 9999, -1, pos[0], pos[1], pos[2], vel[0] * 0.5f + lhrandom(-64, 64), vel[1] * 0.5f + lhrandom(-64, 64), vel[2] * 0.5f + lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
843 //particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, dec, dec, cl_particles_blood_alpha.value * 255.0f, 9999, -1, pos[0], pos[1], pos[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
844 //particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_particle, true, false, dec, dec, cl_particles_blood_alpha.value * 255.0f, 9999, -1, pos[0], pos[1], pos[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
847 case 4: // slight blood
848 if (!cl_particles_blood.integer)
850 dec = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
851 particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, dec, dec, cl_particles_blood_alpha.value * 255.0f, 9999, -1, pos[0], pos[1], pos[2], vel[0] * 0.5f + lhrandom(-64, 64), vel[1] * 0.5f + lhrandom(-64, 64), vel[2] * 0.5f + lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
852 //particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, dec, dec, cl_particles_blood_alpha.value * 128.0f, 9999, -1, pos[0], pos[1], pos[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
853 //particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_particle, true, false, dec, dec, cl_particles_blood_alpha.value * 128.0f, 9999, -1, pos[0], pos[1], pos[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
856 case 3: // green tracer
858 //particle(pt_fade, PARTICLE_BILLBOARD, 0x373707, 0x373707, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 384.0f, 0, 0, 0, 0, 0);
859 particle(pt_fade, PARTICLE_BILLBOARD, 0x373707, 0x373707, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 384.0f, 0, 0, 0, 0, 0);
862 case 5: // flame tracer
864 //particle(pt_fade, PARTICLE_BILLBOARD, 0xCF632B, 0xCF632B, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 384.0f, 0, 0, 0, 0, 0);
865 particle(pt_fade, PARTICLE_BILLBOARD, 0xCF632B, 0xCF632B, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 384.0f, 0, 0, 0, 0, 0);
868 case 6: // voor trail
870 //particle(pt_fade, PARTICLE_BILLBOARD, 0x47232B, 0x47232B, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 384.0f, 0, 0, 0, 0, 0);
871 particle(pt_fade, PARTICLE_BILLBOARD, 0x47232B, 0x47232B, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 384.0f, 0, 0, 0, 0, 0);
874 case 7: // Nehahra smoke tracer
875 if (!cl_particles_smoke.integer)
878 particle(pt_smoke, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, false, dec, dec, 64, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
882 // advance to next time and position
884 VectorMA (pos, dec, vec, pos);
886 ent->persistent.trail_time = len;
889 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
893 if (!cl_particles.integer) return;
894 if (!cl_particles_smoke.integer) return;
896 VectorCopy(start, pos);
897 VectorSubtract (end, start, vec);
898 len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
899 VectorScale(vec, 3, vec);
900 color = particlepalette[color];
903 particle(pt_smoke, PARTICLE_BILLBOARD, color, color, tex_particle, false, false, 5, 5, 128, 9999, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
904 VectorAdd (pos, vec, pos);
914 void CL_MoveParticles (void)
917 //renderparticle_t *r, *rend;
918 int i, activeparticles, maxparticle, j, a, pressureused = false, content;
919 float gravity, dvel, frametime, f, dist, normal[3], v[3], org[3];
921 // LordHavoc: early out condition
922 if (!cl_numparticles)
924 //r_refdef.numparticles = 0;
928 frametime = cl.time - cl.oldtime;
930 return; // if absolutely still, don't update particles
931 gravity = frametime * sv_gravity.value;
932 dvel = 1+4*frametime;
937 for (i = 0, p = particles/*, r = r_refdef.particles, rend = r + cl_maxparticles*/;i < cl_numparticles;i++, p++)
939 if (p->die < cl.time)
941 freeparticles[j++] = p;
946 VectorCopy(p->org, p->oldorg);
947 VectorMA(p->org, frametime, p->vel, p->org);
948 VectorCopy(p->org, org);
951 if (TraceLine(p->oldorg, p->org, v, normal, 0, true) < 1)
953 VectorCopy(v, p->org);
956 // assume it's blood (lame, but...)
957 R_Stain(v, 64, 32, 16, 16, p->alpha * p->scalex * (1.0f / 100.0f), 128, 48, 48, p->alpha * p->scalex * (1.0f / 100.0f));
959 freeparticles[j++] = p;
964 dist = DotProduct(p->vel, normal) * -p->bounce;
965 VectorMA(p->vel, dist, normal, p->vel);
966 if (DotProduct(p->vel, p->vel) < 0.03)
973 f = p->friction * frametime;
975 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
976 if (content != CONTENTS_EMPTY)
979 VectorScale(p->vel, f, p->vel);
987 // LordHavoc: drop-through because of shared code
993 p->alpha -= frametime * 256;
999 p->vel[2] -= gravity;
1002 p->vel[2] -= gravity * 0.05;
1003 p->alpha -= frametime * 192;
1008 if (cl.time > p->time2)
1010 p->time2 = cl.time + (rand() & 3) * 0.1;
1011 p->vel[0] = (rand()&63)-32 + p->vel2[0];
1012 p->vel[1] = (rand()&63)-32 + p->vel2[1];
1013 p->vel[2] = (rand()&63)-32 + p->vel2[2];
1016 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1018 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1022 if (a == CONTENTS_SOLID && Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents == CONTENTS_SOLID)
1023 break; // still in solid
1024 p->die = cl.time + 1000;
1025 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1029 case CONTENTS_SLIME:
1030 p->tex = tex_smoke[rand()&7];
1031 p->orientation = PARTICLE_BILLBOARD;
1038 case CONTENTS_WATER:
1039 p->tex = tex_smoke[rand()&7];
1040 p->orientation = PARTICLE_BILLBOARD;
1041 p->type = pt_splash;
1047 default: // CONTENTS_SOLID and any others
1048 TraceLine(p->oldorg, p->org, v, normal, 0, true);
1049 VectorCopy(v, p->org);
1050 p->tex = tex_smoke[rand()&7];
1051 p->orientation = PARTICLE_BILLBOARD;
1056 VectorClear(p->vel);
1065 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1067 if (a != CONTENTS_EMPTY)
1069 if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
1072 p->scalex += frametime * (cl_particles_blood_size_min.value + cl_particles_blood_size_max.value);
1073 p->scaley += frametime * (cl_particles_blood_size_min.value + cl_particles_blood_size_max.value);
1074 p->alpha -= frametime * max(cl_particles_blood_alpha.value, 0.01f) * 128.0f;
1075 //p->vel[2] += gravity * 0.25f;
1083 p->vel[2] -= gravity;
1086 p->alpha -= frametime * p->time2;
1087 p->vel[2] -= gravity;
1093 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1094 if (content != CONTENTS_EMPTY)
1098 case pt_explosionsplash:
1099 if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
1100 p->vel[2] -= gravity;
1103 p->scalex += frametime * 64.0f;
1104 p->scaley += frametime * 64.0f;
1105 p->alpha -= frametime * 1024.0f;
1110 p->alpha -= frametime * p->time2;
1116 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1117 if (content != CONTENTS_WATER && content != CONTENTS_SLIME)
1122 p->tex = tex_smoke[rand()&7];
1123 p->orientation = PARTICLE_BILLBOARD;
1124 p->type = pt_splashpuff;
1127 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1131 p->vel[0] *= (1 - (frametime * 0.0625));
1132 p->vel[1] *= (1 - (frametime * 0.0625));
1133 p->vel[2] = (p->vel[2] + gravity * 0.25) * (1 - (frametime * 0.0625));
1134 if (cl.time > p->time2)
1136 p->time2 = cl.time + lhrandom(0, 0.5);
1137 p->vel[0] += lhrandom(-32,32);
1138 p->vel[1] += lhrandom(-32,32);
1139 p->vel[2] += lhrandom(-32,32);
1141 p->alpha -= frametime * 256;
1145 case pt_bulletsmoke:
1146 p->scalex += frametime * 16;
1147 p->scaley += frametime * 16;
1148 p->alpha -= frametime * 1024;
1149 p->vel[2] += gravity * 0.2;
1154 p->scalex += frametime * 16;
1155 p->scaley += frametime * 16;
1156 p->alpha -= frametime * 320;
1157 //p->vel[2] += gravity * 0.2;
1162 p->scalex += frametime * 48;
1163 p->scaley += frametime * 48;
1164 p->alpha -= frametime * 512;
1165 p->vel[2] += gravity * 0.05;
1170 p->alpha -= frametime * 1024;
1176 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1178 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1182 b = Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents;
1183 VectorCopy(p->oldorg, o);
1187 f = TraceLine(o, p->org, v, normal, a, true);
1188 b = traceline_endcontents;
1189 if (f < 1 && b != CONTENTS_EMPTY && b != CONTENTS_SKY)
1194 p->die = cl.time + 1000;
1195 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1196 VectorCopy(v, p->org);
1200 case CONTENTS_SLIME:
1201 p->tex = tex_smoke[rand()&7];
1202 p->orientation = PARTICLE_BILLBOARD;
1208 default: // water, solid, and anything else
1209 p->tex = tex_rainsplash[0];
1210 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1212 VectorCopy(normal, p->vel2);
1213 // VectorAdd(p->org, normal, p->org);
1214 p->type = pt_raindropsplash;
1226 case pt_raindropsplash:
1227 p->time2 += frametime * 64.0f;
1228 if (p->time2 >= 16.0f)
1233 p->tex = tex_rainsplash[(int) p->time2];
1234 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1238 p->alpha -= frametime * 512;
1239 p->vel[2] += gravity;
1249 printf("unknown particle type %i\n", p->type);
1254 // LordHavoc: immediate removal of unnecessary particles (must be done to ensure compactor below operates properly in all cases)
1255 if (p->die < cl.time)
1256 freeparticles[j++] = p;
1262 pressureused = true;
1265 // build renderparticle for renderer to use
1266 r->orientation = p->orientation;
1267 r->additive = p->additive;
1268 r->dir[0] = p->vel2[0];
1269 r->dir[1] = p->vel2[1];
1270 r->dir[2] = p->vel2[2];
1271 r->org[0] = p->org[0];
1272 r->org[1] = p->org[1];
1273 r->org[2] = p->org[2];
1275 r->scalex = p->scalex * cl_particles_size.value;
1276 r->scaley = p->scaley * cl_particles_size.value;
1277 r->dynlight = p->dynlight;
1278 r->color[0] = p->color[0] * (1.0f / 255.0f);
1279 r->color[1] = p->color[1] * (1.0f / 255.0f);
1280 r->color[2] = p->color[2] * (1.0f / 255.0f);
1281 r->color[3] = p->alpha * (1.0f / 255.0f);
1286 //r_refdef.numparticles = r - r_refdef.particles;
1287 // fill in gaps to compact the array
1289 while (maxparticle >= activeparticles)
1291 *freeparticles[i++] = particles[maxparticle--];
1292 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1295 cl_numparticles = activeparticles;
1299 activeparticles = 0;
1300 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1302 freeparticles[activeparticles++] = p;
1304 if (activeparticles)
1306 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1308 for (j = 0;j < activeparticles;j++)
1310 if (freeparticles[j] != p)
1312 float dist, diff[3];
1313 VectorSubtract(p->org, freeparticles[j]->org, diff);
1314 dist = DotProduct(diff, diff);
1315 if (dist < 4096 && dist >= 1)
1317 dist = freeparticles[j]->scalex * 4.0f * frametime / sqrt(dist);
1318 VectorMA(p->vel, dist, diff, p->vel);
1319 //dist = freeparticles[j]->scalex * 4.0f * frametime / dist;
1320 //VectorMA(p->vel, dist, freeparticles[j]->vel, p->vel);
1329 static rtexturepool_t *particletexturepool;
1331 static rtexture_t *particlefonttexture;
1332 // [0] is normal, [1] is fog, they may be the same
1333 static particletexture_t particletexture[MAX_PARTICLETEXTURES][2];
1335 static cvar_t r_drawparticles = {0, "r_drawparticles", "1"};
1336 static cvar_t r_particles_lighting = {0, "r_particles_lighting", "1"};
1338 static qbyte shadebubble(float dx, float dy, vec3_t light)
1342 dz = 1 - (dx*dx+dy*dy);
1343 if (dz > 0) // it does hit the sphere
1347 normal[0] = dx;normal[1] = dy;normal[2] = dz;
1348 VectorNormalize(normal);
1349 dot = DotProduct(normal, light);
1350 if (dot > 0.5) // interior reflection
1351 f += ((dot * 2) - 1);
1352 else if (dot < -0.5) // exterior reflection
1353 f += ((dot * -2) - 1);
1355 normal[0] = dx;normal[1] = dy;normal[2] = -dz;
1356 VectorNormalize(normal);
1357 dot = DotProduct(normal, light);
1358 if (dot > 0.5) // interior reflection
1359 f += ((dot * 2) - 1);
1360 else if (dot < -0.5) // exterior reflection
1361 f += ((dot * -2) - 1);
1363 f += 16; // just to give it a haze so you can see the outline
1364 f = bound(0, f, 255);
1371 static void setuptex(int cltexnum, int fog, int rtexnum, qbyte *data, qbyte *particletexturedata)
1373 int basex, basey, y;
1374 basex = ((rtexnum >> 0) & 7) * 32;
1375 basey = ((rtexnum >> 3) & 7) * 32;
1376 particletexture[cltexnum][fog].s1 = (basex + 1) / 256.0f;
1377 particletexture[cltexnum][fog].t1 = (basey + 1) / 256.0f;
1378 particletexture[cltexnum][fog].s2 = (basex + 31) / 256.0f;
1379 particletexture[cltexnum][fog].t2 = (basey + 31) / 256.0f;
1380 for (y = 0;y < 32;y++)
1381 memcpy(particletexturedata + ((basey + y) * 256 + basex) * 4, data + y * 32 * 4, 32 * 4);
1384 static void R_InitParticleTexture (void)
1387 float dx, dy, radius, f, f2;
1388 qbyte data[32][32][4], noise1[64][64], noise2[64][64];
1390 qbyte particletexturedata[256*256*4];
1392 memset(particletexturedata, 255, sizeof(particletexturedata));
1394 // the particletexture[][] array numbers must match the cl_part.c textures
1396 for (i = 0;i < 8;i++)
1400 fractalnoise(&noise1[0][0], 64, 4);
1401 fractalnoise(&noise2[0][0], 64, 8);
1403 for (y = 0;y < 32;y++)
1406 for (x = 0;x < 32;x++)
1408 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1410 d = (noise2[y][x] - 128) * 3 + 192;
1412 d = (d * (256 - (int) (dx*dx+dy*dy))) >> 8;
1413 d = (d * noise1[y][x]) >> 7;
1414 d = bound(0, d, 255);
1415 data[y][x][3] = (qbyte) d;
1423 setuptex(i + 0, 0, i + 0, &data[0][0][0], particletexturedata);
1424 setuptex(i + 0, 1, i + 0, &data[0][0][0], particletexturedata);
1427 for (i = 0;i < 8;i++)
1431 fractalnoise(&noise1[0][0], 64, 4);
1432 fractalnoise(&noise2[0][0], 64, 8);
1434 for (y = 0;y < 32;y++)
1437 for (x = 0;x < 32;x++)
1439 d = (noise1[y][x] - 128) * 2 + 128;
1440 d = bound(0, d, 255);
1441 data[y][x][0] = data[y][x][1] = data[y][x][2] = d;
1443 d = (noise2[y][x] - 128) * 3 + 192;
1445 d = (d * (256 - (int) (dx*dx+dy*dy))) >> 8;
1446 d = bound(0, d, 255);
1447 data[y][x][3] = (qbyte) d;
1455 setuptex(i + 0, 0, i + 0, &data[0][0][0], particletexturedata);
1456 for (y = 0;y < 32;y++)
1457 for (x = 0;x < 32;x++)
1458 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1459 setuptex(i + 0, 1, i + 8, &data[0][0][0], particletexturedata);
1464 for (i = 0;i < 16;i++)
1466 radius = i * 3.0f / 16.0f;
1467 f2 = 255.0f * ((15.0f - i) / 15.0f);
1468 for (y = 0;y < 32;y++)
1470 dy = (y - 16) * 0.25f;
1471 for (x = 0;x < 32;x++)
1473 dx = (x - 16) * 0.25f;
1474 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1475 f = (1.0 - fabs(radius - sqrt(dx*dx+dy*dy))) * f2;
1476 f = bound(0.0f, f, 255.0f);
1477 data[y][x][3] = (int) f;
1480 setuptex(i + 8, 0, i + 16, &data[0][0][0], particletexturedata);
1481 setuptex(i + 8, 1, i + 16, &data[0][0][0], particletexturedata);
1485 for (y = 0;y < 32;y++)
1488 for (x = 0;x < 32;x++)
1490 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1492 d = (256 - (dx*dx+dy*dy));
1493 d = bound(0, d, 255);
1494 data[y][x][3] = (qbyte) d;
1497 setuptex(24, 0, 32, &data[0][0][0], particletexturedata);
1498 setuptex(24, 1, 32, &data[0][0][0], particletexturedata);
1501 light[0] = 1;light[1] = 1;light[2] = 1;
1502 VectorNormalize(light);
1503 for (y = 0;y < 32;y++)
1505 for (x = 0;x < 32;x++)
1507 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1508 data[y][x][3] = shadebubble((x - 16) * (1.0 / 8.0), y < 24 ? (y - 24) * (1.0 / 24.0) : (y - 24) * (1.0 / 8.0), light);
1511 setuptex(25, 0, 33, &data[0][0][0], particletexturedata);
1512 setuptex(25, 1, 33, &data[0][0][0], particletexturedata);
1515 light[0] = 1;light[1] = 1;light[2] = 1;
1516 VectorNormalize(light);
1517 for (y = 0;y < 32;y++)
1519 for (x = 0;x < 32;x++)
1521 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1522 data[y][x][3] = shadebubble((x - 16) * (1.0 / 16.0), (y - 16) * (1.0 / 16.0), light);
1525 setuptex(26, 0, 34, &data[0][0][0], particletexturedata);
1526 setuptex(26, 1, 34, &data[0][0][0], particletexturedata);
1530 for (y = 0;y < 32;y++)
1533 for (x = 0;x < 32;x++)
1536 d = (2048.0f / (dx*dx+dy*dy+1)) - 8.0f;
1537 data[y][x][0] = bound(0, d * 1.0f, 255);
1538 data[y][x][1] = bound(0, d * 0.8f, 255);
1539 data[y][x][2] = bound(0, d * 0.5f, 255);
1540 data[y][x][3] = bound(0, d * 1.0f, 255);
1543 setuptex(27, 0, 35, &data[0][0][0], particletexturedata);
1544 for (y = 0;y < 32;y++)
1545 for (x = 0;x < 32;x++)
1546 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1547 setuptex(28, 1, 36, &data[0][0][0], particletexturedata);
1550 particlefonttexture = R_LoadTexture (particletexturepool, "particlefont", 256, 256, particletexturedata, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
1553 static void r_part_start(void)
1555 particletexturepool = R_AllocTexturePool();
1556 R_InitParticleTexture ();
1559 static void r_part_shutdown(void)
1561 R_FreeTexturePool(&particletexturepool);
1564 static void r_part_newmap(void)
1568 void R_Particles_Init (void)
1570 Cvar_RegisterVariable(&r_drawparticles);
1571 Cvar_RegisterVariable(&r_particles_lighting);
1572 R_RegisterModule("R_Particles", r_part_start, r_part_shutdown, r_part_newmap);
1575 int partindexarray[6] = {0, 1, 2, 0, 2, 3};
1577 void R_DrawParticles (void)
1579 //renderparticle_t *r;
1580 int i, lighting, dynlight, additive, texnum, orientation;
1581 float minparticledist, org[3], uprightangles[3], up2[3], right2[3], v[3], right[3], up[3], tvxyz[4][4], tvst[4][2], fog, ifog, fogvec[3];
1583 particletexture_t *tex, *texfog;
1587 // LordHavoc: early out conditions
1588 //if ((!r_refdef.numparticles) || (!r_drawparticles.integer))
1589 if ((!cl_numparticles) || (!r_drawparticles.integer))
1592 lighting = r_particles_lighting.integer;
1593 if (!r_dynamic.integer)
1596 c_particles += cl_numparticles; //r_refdef.numparticles;
1598 uprightangles[0] = 0;
1599 uprightangles[1] = r_refdef.viewangles[1];
1600 uprightangles[2] = 0;
1601 AngleVectors (uprightangles, NULL, right2, up2);
1603 minparticledist = DotProduct(r_origin, vpn) + 16.0f;
1605 // LordHavoc: this meshinfo must match up with R_Mesh_DrawDecal
1606 // LordHavoc: the commented out lines are hardwired behavior in R_Mesh_DrawDecal
1607 memset(&m, 0, sizeof(m));
1608 m.transparent = true;
1609 m.blendfunc1 = GL_SRC_ALPHA;
1610 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1612 m.index = partindexarray;
1614 m.vertex = &tvxyz[0][0];
1615 m.vertexstep = sizeof(float[4]);
1616 m.tex[0] = R_GetTexture(particlefonttexture);
1617 m.texcoords[0] = &tvst[0][0];
1618 m.texcoordstep[0] = sizeof(float[2]);
1620 for (i = 0/*, r = r_refdef.particles*/, p = particles;i < /*r_refdef.numparticles*/cl_numparticles;i++, p++)
1622 // LordHavoc: only render if not too close
1623 if (DotProduct(p->org, vpn) < minparticledist)
1626 // LordHavoc: check if it's in a visible leaf
1627 leaf = Mod_PointInLeaf(p->org, cl.worldmodel);
1628 if (leaf->visframe != r_framecount)
1631 VectorCopy(p->org, org);
1632 orientation = (p->flags >> P_ORIENTATION_FIRSTBIT) & ((1 << P_ORIENTATION_BITS) - 1);
1633 texnum = (p->flags >> P_TEXNUM_FIRSTBIT) & ((1 << P_TEXNUM_BITS) - 1);
1634 dynlight = p->flags & P_DYNLIGHT;
1635 additive = p->flags & P_ADDITIVE;
1636 if (orientation == PARTICLE_BILLBOARD)
1638 VectorScale(vright, p->scalex, right);
1639 VectorScale(vup, p->scaley, up);
1641 else if (orientation == PARTICLE_UPRIGHT_FACING)
1643 VectorScale(right2, p->scalex, right);
1644 VectorScale(up2, p->scaley, up);
1646 else if (orientation == PARTICLE_ORIENTED_DOUBLESIDED)
1649 if (DotProduct(p->vel2, r_origin) > DotProduct(p->vel2, org))
1651 VectorNegate(p->vel2, v);
1652 VectorVectors(v, right, up);
1655 VectorVectors(p->vel2, right, up);
1656 VectorScale(right, p->scalex, right);
1657 VectorScale(up, p->scaley, up);
1660 Host_Error("R_DrawParticles: unknown particle orientation %i\n", orientation);
1662 m.cr = p->color[0] * (1.0f / 255.0f);
1663 m.cg = p->color[1] * (1.0f / 255.0f);
1664 m.cb = p->color[2] * (1.0f / 255.0f);
1665 m.ca = p->alpha * (1.0f / 255.0f);
1666 if (lighting >= 1 && (dynlight || lighting >= 2))
1668 R_CompleteLightPoint(v, org, true, leaf);
1674 tex = &particletexture[texnum][0];
1676 tvxyz[0][0] = org[0] - right[0] - up[0];
1677 tvxyz[0][1] = org[1] - right[1] - up[1];
1678 tvxyz[0][2] = org[2] - right[2] - up[2];
1679 tvxyz[1][0] = org[0] - right[0] + up[0];
1680 tvxyz[1][1] = org[1] - right[1] + up[1];
1681 tvxyz[1][2] = org[2] - right[2] + up[2];
1682 tvxyz[2][0] = org[0] + right[0] + up[0];
1683 tvxyz[2][1] = org[1] + right[1] + up[1];
1684 tvxyz[2][2] = org[2] + right[2] + up[2];
1685 tvxyz[3][0] = org[0] + right[0] - up[0];
1686 tvxyz[3][1] = org[1] + right[1] - up[1];
1687 tvxyz[3][2] = org[2] + right[2] - up[2];
1688 tvst[0][0] = tex->s1;
1689 tvst[0][1] = tex->t1;
1690 tvst[1][0] = tex->s1;
1691 tvst[1][1] = tex->t2;
1692 tvst[2][0] = tex->s2;
1693 tvst[2][1] = tex->t2;
1694 tvst[3][0] = tex->s2;
1695 tvst[3][1] = tex->t1;
1699 m.blendfunc2 = GL_ONE;
1703 texfog = &particletexture[texnum][1];
1704 VectorSubtract(org, r_origin, fogvec);
1705 ifog = 1 - exp(fogdensity/DotProduct(fogvec,fogvec));
1706 if (ifog < (1.0f - (1.0f / 64.0f)))
1708 if (ifog >= (1.0f / 64.0f))
1710 // partially fogged, darken it
1725 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1729 texfog = &particletexture[texnum][1];
1730 VectorSubtract(org, r_origin, fogvec);
1731 fog = exp(fogdensity/DotProduct(fogvec,fogvec));
1732 if (fog >= (1.0f / 64.0f))
1734 if (fog >= (1.0f - (1.0f / 64.0f)))
1736 // fully fogged, just use the fog texture and render as alpha
1740 tvst[0][0] = texfog->s1;
1741 tvst[0][1] = texfog->t1;
1742 tvst[1][0] = texfog->s1;
1743 tvst[1][1] = texfog->t2;
1744 tvst[2][0] = texfog->s2;
1745 tvst[2][1] = texfog->t2;
1746 tvst[3][0] = texfog->s2;
1747 tvst[3][1] = texfog->t1;
1752 // partially fogged, darken the first pass
1757 if (tex->s1 == texfog->s1 && tex->t1 == texfog->t1)
1759 // fog texture is the same as the base, just change the color
1760 m.cr += fogcolor[0] * fog;
1761 m.cg += fogcolor[1] * fog;
1762 m.cb += fogcolor[2] * fog;
1767 // render the first pass (alpha), then do additive fog
1770 m.blendfunc2 = GL_ONE;
1771 m.cr = fogcolor[0] * fog;
1772 m.cg = fogcolor[1] * fog;
1773 m.cb = fogcolor[2] * fog;
1774 tvst[0][0] = texfog->s1;
1775 tvst[0][1] = texfog->t1;
1776 tvst[1][0] = texfog->s1;
1777 tvst[1][1] = texfog->t2;
1778 tvst[2][0] = texfog->s2;
1779 tvst[2][1] = texfog->t2;
1780 tvst[3][0] = texfog->s2;
1781 tvst[3][1] = texfog->t1;