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.
22 #include "cl_collision.h"
24 #define MAX_PARTICLES 16384 // default max # of particles at one time
25 #define ABSOLUTE_MIN_PARTICLES 512 // no fewer than this no matter what's on the command line
29 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, pt_stardust
33 #define P_TEXNUM_FIRSTBIT 0
34 #define P_TEXNUM_BITS 6
35 #define P_ORIENTATION_FIRSTBIT (P_TEXNUM_FIRSTBIT + P_TEXNUM_BITS)
36 #define P_ORIENTATION_BITS 2
37 #define P_FLAGS_FIRSTBIT (P_ORIENTATION_FIRSTBIT + P_ORIENTATION_BITS)
38 #define P_DYNLIGHT (1 << (P_FLAGS_FIRSTBIT + 0))
39 #define P_ADDITIVE (1 << (P_FLAGS_FIRSTBIT + 1))
41 typedef struct particle_s
44 unsigned int flags; // dynamically lit, orientation, additive blending, texnum
51 float time2; // used for various things (snow fluttering, for example)
52 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)
54 vec3_t vel2; // used for snow fluttering (base velocity, wind for instance)
55 float friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
56 float pressure; // if non-zero, apply pressure to other particles
61 static int particlepalette[256] =
63 0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
64 0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
65 0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
66 0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
67 0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
68 0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
69 0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
70 0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
71 0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
72 0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
73 0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
74 0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
75 0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
76 0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
77 0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
78 0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
79 0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
80 0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
81 0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
82 0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
83 0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
84 0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
85 0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
86 0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
87 0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
88 0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
89 0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
90 0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
91 0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
92 0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
93 0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
94 0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
97 static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
98 //static int explounderwatersparkramp[8] = {0x00074b, 0x000f6f, 0x071f93, 0x0f33b7, 0x2b63cf, 0x4f97e3, 0xb5e7ff, 0xffffff};
100 // these must match r_part.c's textures
101 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
102 static const int tex_rainsplash[16] = {8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
103 static const int tex_particle = 24;
104 static const int tex_rain = 25;
105 static const int tex_bubble = 26;
106 //static const int tex_rocketglow = 27;
108 static int cl_maxparticles;
109 static int cl_numparticles;
110 static particle_t *particles;
111 static particle_t **freeparticles; // list used only in compacting particles array
112 //static renderparticle_t *cl_renderparticles;
114 static cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
115 static cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
116 static cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
117 static cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
118 static cvar_t cl_particles_blood_size_min = {CVAR_SAVE, "cl_particles_blood_size_min", "5"};
119 static cvar_t cl_particles_blood_size_max = {CVAR_SAVE, "cl_particles_blood_size_max", "10"};
120 static cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "0.5"};
121 static cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
122 static cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
123 static cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
124 static cvar_t cl_particles_explosions = {CVAR_SAVE, "cl_particles_explosions", "0"};
126 static mempool_t *cl_part_mempool;
128 void CL_Particles_Clear(void)
138 void CL_ReadPointFile_f (void);
139 void CL_Particles_Init (void)
143 i = COM_CheckParm ("-particles");
147 cl_maxparticles = (int)(atoi(com_argv[i+1]));
148 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
149 cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
152 cl_maxparticles = MAX_PARTICLES;
154 Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
156 Cvar_RegisterVariable (&cl_particles);
157 Cvar_RegisterVariable (&cl_particles_size);
158 Cvar_RegisterVariable (&cl_particles_bloodshowers);
159 Cvar_RegisterVariable (&cl_particles_blood);
160 Cvar_RegisterVariable (&cl_particles_blood_size_min);
161 Cvar_RegisterVariable (&cl_particles_blood_size_max);
162 Cvar_RegisterVariable (&cl_particles_blood_alpha);
163 Cvar_RegisterVariable (&cl_particles_smoke);
164 Cvar_RegisterVariable (&cl_particles_sparks);
165 Cvar_RegisterVariable (&cl_particles_bubbles);
166 Cvar_RegisterVariable (&cl_particles_explosions);
168 cl_part_mempool = Mem_AllocPool("CL_Part");
169 particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
170 freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
173 // FIXME: r_refdef stuff should be allocated somewhere else?
174 //r_refdef.particles = cl_renderparticles = Mem_Alloc(cl_refdef_mempool, cl_maxparticles * sizeof(renderparticle_t));
177 #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)\
179 if (cl_numparticles >= cl_maxparticles)\
183 int tempcolor, tempcolor2, cr1, cg1, cb1, cr2, cg2, cb2;\
184 unsigned int partflags;\
185 partflags = ((porientation) << P_ORIENTATION_FIRSTBIT) | ((ptex) << P_TEXNUM_FIRSTBIT);\
187 partflags |= P_ADDITIVE;\
189 partflags |= P_DYNLIGHT;\
190 tempcolor = (pcolor1);\
191 tempcolor2 = (pcolor2);\
192 cr2 = ((tempcolor2) >> 16) & 0xFF;\
193 cg2 = ((tempcolor2) >> 8) & 0xFF;\
194 cb2 = (tempcolor2) & 0xFF;\
195 if (tempcolor != tempcolor2)\
197 cr1 = ((tempcolor) >> 16) & 0xFF;\
198 cg1 = ((tempcolor) >> 8) & 0xFF;\
199 cb1 = (tempcolor) & 0xFF;\
200 tempcolor = rand() & 0xFF;\
201 cr2 = (((cr2 - cr1) * tempcolor) >> 8) + cr1;\
202 cg2 = (((cg2 - cg1) * tempcolor) >> 8) + cg1;\
203 cb2 = (((cb2 - cb1) * tempcolor) >> 8) + cb1;\
205 part = &particles[cl_numparticles++];\
206 part->type = (ptype);\
207 part->color[0] = cr2;\
208 part->color[1] = cg2;\
209 part->color[2] = cb2;\
210 part->color[3] = 0xFF;\
211 part->flags = partflags;\
212 /*part->tex = (ptex);*/\
213 /*part->orientation = (porientation);*/\
214 /*part->dynlight = (plight);*/\
215 /*part->additive = (padditive);*/\
216 part->scalex = (pscalex);\
217 part->scaley = (pscaley);\
218 part->alpha = (palpha);\
219 part->die = cl.time + (ptime);\
220 part->bounce = (pbounce);\
221 part->org[0] = (px);\
222 part->org[1] = (py);\
223 part->org[2] = (pz);\
224 part->vel[0] = (pvx);\
225 part->vel[1] = (pvy);\
226 part->vel[2] = (pvz);\
227 part->time2 = (ptime2);\
228 part->vel2[0] = (pvx2);\
229 part->vel2[1] = (pvy2);\
230 part->vel2[2] = (pvz2);\
231 part->friction = (pfriction);\
232 part->pressure = (ppressure);\
241 void CL_EntityParticles (entity_t *ent)
245 float sp, sy, cp, cy;
249 static vec3_t avelocities[NUMVERTEXNORMALS];
250 if (!cl_particles.integer) return;
255 if (!avelocities[0][0])
256 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
257 avelocities[0][i] = (rand()&255) * 0.01;
259 for (i=0 ; i<NUMVERTEXNORMALS ; i++)
261 angle = cl.time * avelocities[i][0];
264 angle = cl.time * avelocities[i][1];
272 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);
277 void CL_ReadPointFile_f (void)
281 char *pointfile, *pointfilepos, *t, tchar;
283 pointfile = COM_LoadFile(va("maps/%s.pts", sv.name), true);
286 Con_Printf ("couldn't open %s.pts\n", sv.name);
290 Con_Printf ("Reading %s.pts...\n", sv.name);
292 pointfilepos = pointfile;
293 while (*pointfilepos)
295 while (*pointfilepos == '\n' || *pointfilepos == '\r')
300 while (*t && *t != '\n' && *t != '\r')
304 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
311 if (cl_numparticles >= cl_maxparticles)
313 Con_Printf ("Not enough free particles\n");
316 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);
320 Con_Printf ("%i points read\n", c);
325 CL_ParseParticleEffect
327 Parse an effect out of the server message
330 void CL_ParseParticleEffect (void)
333 int i, count, msgcount, color;
335 for (i=0 ; i<3 ; i++)
336 org[i] = MSG_ReadCoord ();
337 for (i=0 ; i<3 ; i++)
338 dir[i] = MSG_ReadChar () * (1.0/16);
339 msgcount = MSG_ReadByte ();
340 color = MSG_ReadByte ();
347 CL_RunParticleEffect (org, dir, color, count);
356 void CL_ParticleExplosion (vec3_t org, int smoke)
359 R_Stain(org, 96, 80, 80, 80, 128, 176, 176, 176, 128);
361 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
362 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
363 for (i = 0;i < 128;i++)
364 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);
366 if (cl_particles.integer && cl_particles_explosions.integer)
371 qbyte noise1[32*32], noise2[32*32];
373 VectorClear(end); // hush MSVC
374 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
375 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
377 //for (i = 0;i < 128;i++)
378 // 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);
380 ang[2] = lhrandom(0, 360);
381 fractalnoisequick(noise1, 32, 4);
382 fractalnoisequick(noise2, 32, 8);
383 for (i = 0;i < 32;i++)
385 for (j = 0;j < 32;j++)
388 VectorMA(org, 16, v, v);
389 CL_TraceLine(org, v, end, NULL, 0, true);
390 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
391 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
392 AngleVectors(ang, v, NULL, NULL);
393 f = noise1[j*32+i] * 1.5f;
394 VectorScale(v, f, v);
395 k = noise2[j*32+i] * 0x010101;
396 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);
397 VectorScale(v, 0.75, v);
398 k = explosparkramp[(noise2[j*32+i] >> 5)];
399 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);
405 ang[2] = lhrandom(0, 360);
406 fractalnoisequick(noise1, 32, 4);
407 fractalnoisequick(noise2, 32, 8);
408 for (i = 0;i < 32;i++)
410 for (j = 0;j < 32;j++)
413 VectorMA(org, 16, v, v);
414 CL_TraceLine(org, v, end, NULL, 0, true);
415 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
416 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
417 AngleVectors(ang, v, NULL, NULL);
418 f = noise1[j*32+i] * 1.5f;
419 VectorScale(v, f, v);
420 k = noise2[j*32+i] * 0x010101;
421 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);
422 VectorScale(v, 0.75, v);
423 k = explosparkramp[(noise2[j*32+i] >> 5)];
424 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);
426 // VectorScale(v, 384, v);
427 // 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);
437 for (i = 0;i < 256;i++)
443 while(DotProduct(v,v) < 0.75);
444 VectorScale(v, 512, v);
445 k = explosparkramp[rand()&7];
446 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);
455 CL_ParticleExplosion2
459 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
462 if (!cl_particles.integer) return;
464 for (i = 0;i < 512;i++)
466 k = particlepalette[colorStart + (i % colorLength)];
467 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);
477 void CL_BlobExplosion (vec3_t org)
480 if (!cl_particles.integer) return;
482 R_Stain(org, 96, 80, 80, 80, 128, 176, 176, 176, 128);
483 //R_Stain(org, 96, 96, 64, 96, 128, 160, 128, 160, 128);
487 //for (i = 0;i < 256;i++)
488 // 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);
489 //for (i = 0;i < 256;i++)
490 // 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);
499 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
502 if (!cl_particles.integer) return;
506 CL_ParticleExplosion(org, false);
511 k = particlepalette[color + (rand()&7)];
512 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);
516 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
522 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
525 if (!cl_particles.integer) return;
527 R_Stain(org, 32, 96, 96, 96, 32, 128, 128, 128, 32);
530 if (cl_particles_smoke.integer)
531 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);
533 if (cl_particles_sparks.integer)
538 k = particlepalette[0x68 + (rand() & 7)];
539 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);
544 void CL_PlasmaBurn (vec3_t org)
546 if (!cl_particles.integer) return;
548 R_Stain(org, 48, 96, 96, 96, 48, 128, 128, 128, 48);
551 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
554 // bloodcount is used to accumulate counts too small to cause a blood particle
555 static int bloodcount = 0;
556 if (!cl_particles.integer) return;
557 if (!cl_particles_blood.integer) return;
564 while(bloodcount > 0)
566 r = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
567 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);
572 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
576 vec3_t diff, center, velscale;
577 if (!cl_particles.integer) return;
578 if (!cl_particles_bloodshowers.integer) return;
579 if (!cl_particles_blood.integer) return;
581 VectorSubtract(maxs, mins, diff);
582 center[0] = (mins[0] + maxs[0]) * 0.5;
583 center[1] = (mins[1] + maxs[1]) * 0.5;
584 center[2] = (mins[2] + maxs[2]) * 0.5;
585 // FIXME: change velspeed back to 2.0x after fixing mod
586 velscale[0] = velspeed * 2.0 / diff[0];
587 velscale[1] = velspeed * 2.0 / diff[1];
588 velscale[2] = velspeed * 2.0 / diff[2];
594 org[0] = lhrandom(mins[0], maxs[0]);
595 org[1] = lhrandom(mins[1], maxs[1]);
596 org[2] = lhrandom(mins[2], maxs[2]);
597 vel[0] = (org[0] - center[0]) * velscale[0];
598 vel[1] = (org[1] - center[1]) * velscale[1];
599 vel[2] = (org[2] - center[2]) * velscale[2];
600 r = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
602 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);
606 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
610 if (!cl_particles.integer) return;
611 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
612 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
613 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
617 k = particlepalette[colorbase + (rand()&3)];
618 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);
622 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
627 if (!cl_particles.integer) return;
628 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
629 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
630 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
631 if (dir[2] < 0) // falling
633 t = (maxs[2] - mins[2]) / -dir[2];
638 t = (maxs[2] - mins[2]) / dir[2];
641 if (t < 0 || t > 2) // sanity check
647 count *= 4; // ick, this should be in the mod or maps?
651 vel[0] = dir[0] + lhrandom(-16, 16);
652 vel[1] = dir[1] + lhrandom(-16, 16);
653 vel[2] = dir[2] + lhrandom(-32, 32);
654 k = particlepalette[colorbase + (rand()&3)];
655 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);
661 vel[0] = dir[0] + lhrandom(-16, 16);
662 vel[1] = dir[1] + lhrandom(-16, 16);
663 vel[2] = dir[2] + lhrandom(-32, 32);
664 k = particlepalette[colorbase + (rand()&3)];
665 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);
669 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
673 void CL_Stardust (vec3_t mins, vec3_t maxs, int count)
678 //Con_Printf("CL_Stardust ('%f %f %f', '%f %f %f', %d);\n", mins[0], mins[1], mins[2], maxs[0], maxs[1], maxs[2], count);
679 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;}
685 center[0] = (mins[0] + maxs[0]) * 0.5f;
686 center[1] = (mins[1] + maxs[1]) * 0.5f;
687 center[2] = (mins[2] + maxs[2]) * 0.5f;
691 k = particlepalette[224 + (rand()&15)];
692 o[0] = lhrandom(mins[0], maxs[0]);
693 o[1] = lhrandom(mins[1], maxs[1]);
694 o[2] = lhrandom(mins[2], maxs[2]);
695 VectorSubtract(o, center, v);
696 VectorNormalizeFast(v);
697 VectorScale(v, 100, v);
698 v[2] += sv_gravity.value * 0.15f;
699 particle(pt_stardust, PARTICLE_BILLBOARD, 0x903010, 0xFFD030, tex_particle, false, true, 1.5, 1.5, lhrandom(64, 128), 9999, 0, o[0], o[1], o[2], v[0], v[1], v[2], 0, 0, 0, 0, 0, 0);
703 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
707 if (!cl_particles.integer) return;
708 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
709 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
710 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
714 k = particlepalette[224 + (rand()&15)];
715 particle(pt_flame, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 4, 4, lhrandom(64, 128), 9999, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), lhrandom(-32, 32), lhrandom(-32, 32), lhrandom(0, 64), 0, 0, 0, 0, 1, 0);
717 particle(pt_fade, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, true, 6, 6, lhrandom(48, 96), 9999, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(0, 32), 64.0f, 0, 0, 0, 0, 0);
721 void CL_Flames (vec3_t org, vec3_t vel, int count)
724 if (!cl_particles.integer) return;
728 k = particlepalette[224 + (rand()&15)];
729 particle(pt_flame, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 4, 4, lhrandom(64, 128), 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);
731 // particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], false, true, 6, 6, lhrandom(32, 64), 9999, 0, org[0], org[1], org[2], vel[0] + lhrandom(-64, 64), vel[1] + lhrandom(-64, 64), vel[2] + lhrandom(-64, 64), 64.0f, 0, 0, 0, 0, 0);
743 void CL_LavaSplash (vec3_t origin)
748 if (!cl_particles.integer) return;
750 for (i=-128 ; i<128 ; i+=16)
752 for (j=-128 ; j<128 ; j+=16)
754 dir[0] = j + lhrandom(0, 8);
755 dir[1] = i + lhrandom(0, 8);
757 org[0] = origin[0] + dir[0];
758 org[1] = origin[1] + dir[1];
759 org[2] = origin[2] + lhrandom(0, 64);
760 vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
761 k = particlepalette[224 + (rand()&7)];
762 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);
773 void CL_TeleportSplash (vec3_t org)
776 if (!cl_particles.integer) return;
778 for (i=-16 ; i<16 ; i+=8)
779 for (j=-16 ; j<16 ; j+=8)
780 for (k=-24 ; k<32 ; k+=8)
781 //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);
782 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);
785 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
787 vec3_t vec, dir, vel, pos;
788 float len, dec, speed;
789 int contents, bubbles;
790 if (!cl_particles.integer) return;
792 VectorSubtract(end, start, dir);
793 VectorNormalize(dir);
795 //if (type == 0 && host_frametime != 0) // rocket glow
796 // 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);
798 VectorSubtract (end, start, vec);
799 len = VectorNormalizeLength (vec);
800 dec = -ent->persistent.trail_time;
801 ent->persistent.trail_time += len;
802 if (ent->persistent.trail_time < 0.01f)
805 speed = 1.0f / (ent->state_current.time - ent->state_previous.time);
806 VectorSubtract(ent->state_current.origin, ent->state_previous.origin, vel);
807 VectorScale(vel, speed, vel);
809 // advance into this frame to reach the first puff location
810 VectorMA(start, dec, vec, pos);
813 // if we skip out, leave it reset
814 ent->persistent.trail_time = 0.0f;
816 contents = Mod_PointInLeaf(pos, cl.worldmodel)->contents;
817 if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
820 bubbles = (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
826 case 0: // rocket trail
827 if (!cl_particles_smoke.integer)
830 //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);
832 particle(pt_fade, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], true, false, dec, dec, 64, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 64.0f, 0, 0, 0, 0, 0);
833 //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);
835 //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);
836 if (bubbles && cl_particles_bubbles.integer)
838 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);
839 //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);
843 //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);
844 //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);
845 //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);
846 //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);
847 //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);
848 //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);
852 case 1: // grenade trail
853 // FIXME: make it gradually stop smoking
854 if (!cl_particles_smoke.integer)
857 //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);
859 particle(pt_fade, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, false, dec, dec, 64, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 128.0f, 0, 0, 0, 0, 0);
860 //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);
861 if (bubbles && cl_particles_bubbles.integer)
863 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);
864 //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);
870 if (!cl_particles_blood.integer)
872 dec = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
873 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);
874 //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);
875 //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);
878 case 4: // slight blood
879 if (!cl_particles_blood.integer)
881 dec = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
882 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);
883 //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);
884 //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);
887 case 3: // green tracer
889 //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);
890 particle(pt_fade, PARTICLE_BILLBOARD, 0x373707, 0x373707, tex_particle, false, false, 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);
893 case 5: // flame tracer
895 //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);
896 particle(pt_fade, PARTICLE_BILLBOARD, 0xCF632B, 0xCF632B, tex_particle, false, false, 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);
899 case 6: // voor trail
901 //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);
902 particle(pt_fade, PARTICLE_BILLBOARD, 0x47232B, 0x47232B, tex_particle, false, false, 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);
905 case 7: // Nehahra smoke tracer
906 if (!cl_particles_smoke.integer)
909 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);
913 // advance to next time and position
915 VectorMA (pos, dec, vec, pos);
917 ent->persistent.trail_time = len;
920 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
924 if (!cl_particles.integer) return;
925 if (!cl_particles_smoke.integer) return;
927 VectorCopy(start, pos);
928 VectorSubtract (end, start, vec);
929 len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
930 VectorScale(vec, 3, vec);
931 color = particlepalette[color];
934 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);
935 VectorAdd (pos, vec, pos);
945 void CL_MoveParticles (void)
948 //renderparticle_t *r, *rend;
949 int i, activeparticles, maxparticle, j, a, pressureused = false, content;
950 float gravity, dvel, frametime, f, dist, normal[3], v[3], org[3];
952 // LordHavoc: early out condition
953 if (!cl_numparticles)
955 //r_refdef.numparticles = 0;
959 frametime = cl.time - cl.oldtime;
961 return; // if absolutely still, don't update particles
962 gravity = frametime * sv_gravity.value;
963 dvel = 1+4*frametime;
968 for (i = 0, p = particles/*, r = r_refdef.particles, rend = r + cl_maxparticles*/;i < cl_numparticles;i++, p++)
970 if (p->die < cl.time)
972 freeparticles[j++] = p;
977 VectorCopy(p->org, p->oldorg);
978 VectorMA(p->org, frametime, p->vel, p->org);
979 VectorCopy(p->org, org);
982 if (CL_TraceLine(p->oldorg, p->org, v, normal, 0, true) < 1)
984 VectorCopy(v, p->org);
987 // assume it's blood (lame, but...)
988 R_Stain(v, 64, 32, 16, 16, p->alpha * p->scalex * (1.0f / 100.0f), 192, 48, 48, p->alpha * p->scalex * (1.0f / 100.0f));
990 freeparticles[j++] = p;
995 dist = DotProduct(p->vel, normal) * -p->bounce;
996 VectorMA(p->vel, dist, normal, p->vel);
997 if (DotProduct(p->vel, p->vel) < 0.03)
1004 f = p->friction * frametime;
1006 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1007 if (content != CONTENTS_EMPTY)
1010 VectorScale(p->vel, f, p->vel);
1018 // LordHavoc: drop-through because of shared code
1024 p->alpha -= frametime * 256;
1030 p->vel[2] -= gravity;
1033 p->vel[2] -= gravity * 0.05;
1034 p->alpha -= frametime * 192;
1039 if (cl.time > p->time2)
1041 p->time2 = cl.time + (rand() & 3) * 0.1;
1042 p->vel[0] = (rand()&63)-32 + p->vel2[0];
1043 p->vel[1] = (rand()&63)-32 + p->vel2[1];
1044 p->vel[2] = (rand()&63)-32 + p->vel2[2];
1047 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1049 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1053 if (a == CONTENTS_SOLID && Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents == CONTENTS_SOLID)
1054 break; // still in solid
1055 p->die = cl.time + 1000;
1056 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1060 case CONTENTS_SLIME:
1061 p->tex = tex_smoke[rand()&7];
1062 p->orientation = PARTICLE_BILLBOARD;
1069 case CONTENTS_WATER:
1070 p->tex = tex_smoke[rand()&7];
1071 p->orientation = PARTICLE_BILLBOARD;
1072 p->type = pt_splash;
1078 default: // CONTENTS_SOLID and any others
1079 TraceLine(p->oldorg, p->org, v, normal, 0, true);
1080 VectorCopy(v, p->org);
1081 p->tex = tex_smoke[rand()&7];
1082 p->orientation = PARTICLE_BILLBOARD;
1087 VectorClear(p->vel);
1096 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1098 if (a != CONTENTS_EMPTY)
1100 if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
1103 p->scalex += frametime * (cl_particles_blood_size_min.value + cl_particles_blood_size_max.value);
1104 p->scaley += frametime * (cl_particles_blood_size_min.value + cl_particles_blood_size_max.value);
1105 p->alpha -= frametime * max(cl_particles_blood_alpha.value, 0.01f) * 128.0f;
1106 //p->vel[2] += gravity * 0.25f;
1114 p->vel[2] -= gravity;
1117 p->alpha -= frametime * p->time2;
1118 p->vel[2] -= gravity;
1124 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1125 if (content != CONTENTS_EMPTY)
1129 case pt_explosionsplash:
1130 if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
1131 p->vel[2] -= gravity;
1134 p->scalex += frametime * 64.0f;
1135 p->scaley += frametime * 64.0f;
1136 p->alpha -= frametime * 1024.0f;
1141 p->alpha -= frametime * p->time2;
1147 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1148 if (content != CONTENTS_WATER && content != CONTENTS_SLIME)
1153 p->tex = tex_smoke[rand()&7];
1154 p->orientation = PARTICLE_BILLBOARD;
1155 p->type = pt_splashpuff;
1158 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1162 p->vel[0] *= (1 - (frametime * 0.0625));
1163 p->vel[1] *= (1 - (frametime * 0.0625));
1164 p->vel[2] = (p->vel[2] + gravity * 0.25) * (1 - (frametime * 0.0625));
1165 if (cl.time > p->time2)
1167 p->time2 = cl.time + lhrandom(0, 0.5);
1168 p->vel[0] += lhrandom(-32,32);
1169 p->vel[1] += lhrandom(-32,32);
1170 p->vel[2] += lhrandom(-32,32);
1172 p->alpha -= frametime * 256;
1176 case pt_bulletsmoke:
1177 p->scalex += frametime * 16;
1178 p->scaley += frametime * 16;
1179 p->alpha -= frametime * 1024;
1180 p->vel[2] += gravity * 0.2;
1185 p->scalex += frametime * 16;
1186 p->scaley += frametime * 16;
1187 p->alpha -= frametime * 320;
1188 //p->vel[2] += gravity * 0.2;
1193 p->scalex += frametime * 48;
1194 p->scaley += frametime * 48;
1195 p->alpha -= frametime * 512;
1196 p->vel[2] += gravity * 0.05;
1201 p->alpha -= frametime * 1024;
1207 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1209 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1213 b = Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents;
1214 VectorCopy(p->oldorg, o);
1218 f = TraceLine(o, p->org, v, normal, a, true);
1219 b = cl_traceline_endcontents;
1220 if (f < 1 && b != CONTENTS_EMPTY && b != CONTENTS_SKY)
1225 p->die = cl.time + 1000;
1226 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1227 VectorCopy(v, p->org);
1231 case CONTENTS_SLIME:
1232 p->tex = tex_smoke[rand()&7];
1233 p->orientation = PARTICLE_BILLBOARD;
1239 default: // water, solid, and anything else
1240 p->tex = tex_rainsplash[0];
1241 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1243 VectorCopy(normal, p->vel2);
1244 // VectorAdd(p->org, normal, p->org);
1245 p->type = pt_raindropsplash;
1257 case pt_raindropsplash:
1258 p->time2 += frametime * 64.0f;
1259 if (p->time2 >= 16.0f)
1264 p->tex = tex_rainsplash[(int) p->time2];
1265 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1269 p->alpha -= frametime * 384;
1270 p->vel[2] += gravity;
1280 p->alpha -= frametime * 128;
1281 p->vel[2] -= gravity;
1286 printf("unknown particle type %i\n", p->type);
1291 // LordHavoc: immediate removal of unnecessary particles (must be done to ensure compactor below operates properly in all cases)
1292 if (p->die < cl.time)
1293 freeparticles[j++] = p;
1299 pressureused = true;
1302 // build renderparticle for renderer to use
1303 r->orientation = p->orientation;
1304 r->additive = p->additive;
1305 r->dir[0] = p->vel2[0];
1306 r->dir[1] = p->vel2[1];
1307 r->dir[2] = p->vel2[2];
1308 r->org[0] = p->org[0];
1309 r->org[1] = p->org[1];
1310 r->org[2] = p->org[2];
1312 r->scalex = p->scalex * cl_particles_size.value;
1313 r->scaley = p->scaley * cl_particles_size.value;
1314 r->dynlight = p->dynlight;
1315 r->color[0] = p->color[0] * (1.0f / 255.0f);
1316 r->color[1] = p->color[1] * (1.0f / 255.0f);
1317 r->color[2] = p->color[2] * (1.0f / 255.0f);
1318 r->color[3] = p->alpha * (1.0f / 255.0f);
1323 //r_refdef.numparticles = r - r_refdef.particles;
1324 // fill in gaps to compact the array
1326 while (maxparticle >= activeparticles)
1328 *freeparticles[i++] = particles[maxparticle--];
1329 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1332 cl_numparticles = activeparticles;
1336 activeparticles = 0;
1337 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1339 freeparticles[activeparticles++] = p;
1341 if (activeparticles)
1343 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1345 for (j = 0;j < activeparticles;j++)
1347 if (freeparticles[j] != p)
1349 float dist, diff[3];
1350 VectorSubtract(p->org, freeparticles[j]->org, diff);
1351 dist = DotProduct(diff, diff);
1352 if (dist < 4096 && dist >= 1)
1354 dist = freeparticles[j]->scalex * 4.0f * frametime / sqrt(dist);
1355 VectorMA(p->vel, dist, diff, p->vel);
1356 //dist = freeparticles[j]->scalex * 4.0f * frametime / dist;
1357 //VectorMA(p->vel, dist, freeparticles[j]->vel, p->vel);
1366 static rtexturepool_t *particletexturepool;
1368 static rtexture_t *particlefonttexture;
1369 // [0] is normal, [1] is fog, they may be the same
1370 static particletexture_t particletexture[MAX_PARTICLETEXTURES][2];
1372 static cvar_t r_drawparticles = {0, "r_drawparticles", "1"};
1373 static cvar_t r_particles_lighting = {0, "r_particles_lighting", "1"};
1375 static qbyte shadebubble(float dx, float dy, vec3_t light)
1379 dz = 1 - (dx*dx+dy*dy);
1380 if (dz > 0) // it does hit the sphere
1384 normal[0] = dx;normal[1] = dy;normal[2] = dz;
1385 VectorNormalize(normal);
1386 dot = DotProduct(normal, light);
1387 if (dot > 0.5) // interior reflection
1388 f += ((dot * 2) - 1);
1389 else if (dot < -0.5) // exterior reflection
1390 f += ((dot * -2) - 1);
1392 normal[0] = dx;normal[1] = dy;normal[2] = -dz;
1393 VectorNormalize(normal);
1394 dot = DotProduct(normal, light);
1395 if (dot > 0.5) // interior reflection
1396 f += ((dot * 2) - 1);
1397 else if (dot < -0.5) // exterior reflection
1398 f += ((dot * -2) - 1);
1400 f += 16; // just to give it a haze so you can see the outline
1401 f = bound(0, f, 255);
1408 static void setuptex(int cltexnum, int fog, int rtexnum, qbyte *data, qbyte *particletexturedata)
1410 int basex, basey, y;
1411 basex = ((rtexnum >> 0) & 7) * 32;
1412 basey = ((rtexnum >> 3) & 7) * 32;
1413 particletexture[cltexnum][fog].s1 = (basex + 1) / 256.0f;
1414 particletexture[cltexnum][fog].t1 = (basey + 1) / 256.0f;
1415 particletexture[cltexnum][fog].s2 = (basex + 31) / 256.0f;
1416 particletexture[cltexnum][fog].t2 = (basey + 31) / 256.0f;
1417 for (y = 0;y < 32;y++)
1418 memcpy(particletexturedata + ((basey + y) * 256 + basex) * 4, data + y * 32 * 4, 32 * 4);
1421 static void R_InitParticleTexture (void)
1424 float dx, dy, radius, f, f2;
1425 qbyte data[32][32][4], noise1[64][64], noise2[64][64];
1427 qbyte particletexturedata[256*256*4];
1429 memset(particletexturedata, 255, sizeof(particletexturedata));
1431 // the particletexture[][] array numbers must match the cl_part.c textures
1433 for (i = 0;i < 8;i++)
1437 fractalnoise(&noise1[0][0], 64, 4);
1438 fractalnoise(&noise2[0][0], 64, 8);
1440 for (y = 0;y < 32;y++)
1443 for (x = 0;x < 32;x++)
1445 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1447 d = (noise2[y][x] - 128) * 3 + 192;
1449 d = (d * (256 - (int) (dx*dx+dy*dy))) >> 8;
1450 d = (d * noise1[y][x]) >> 7;
1451 d = bound(0, d, 255);
1452 data[y][x][3] = (qbyte) d;
1460 setuptex(i + 0, 0, i + 0, &data[0][0][0], particletexturedata);
1461 setuptex(i + 0, 1, i + 0, &data[0][0][0], particletexturedata);
1464 for (i = 0;i < 8;i++)
1468 fractalnoise(&noise1[0][0], 64, 4);
1469 fractalnoise(&noise2[0][0], 64, 8);
1471 for (y = 0;y < 32;y++)
1474 for (x = 0;x < 32;x++)
1476 d = (noise1[y][x] - 128) * 2 + 128;
1477 d = bound(0, d, 255);
1478 data[y][x][0] = data[y][x][1] = data[y][x][2] = d;
1480 d = (noise2[y][x] - 128) * 3 + 192;
1482 d = (d * (256 - (int) (dx*dx+dy*dy))) >> 8;
1483 d = bound(0, d, 255);
1484 data[y][x][3] = (qbyte) d;
1492 setuptex(i + 0, 0, i + 0, &data[0][0][0], particletexturedata);
1493 for (y = 0;y < 32;y++)
1494 for (x = 0;x < 32;x++)
1495 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1496 setuptex(i + 0, 1, i + 8, &data[0][0][0], particletexturedata);
1501 for (i = 0;i < 16;i++)
1503 radius = i * 3.0f / 16.0f;
1504 f2 = 255.0f * ((15.0f - i) / 15.0f);
1505 for (y = 0;y < 32;y++)
1507 dy = (y - 16) * 0.25f;
1508 for (x = 0;x < 32;x++)
1510 dx = (x - 16) * 0.25f;
1511 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1512 f = (1.0 - fabs(radius - sqrt(dx*dx+dy*dy))) * f2;
1513 f = bound(0.0f, f, 255.0f);
1514 data[y][x][3] = (int) f;
1517 setuptex(i + 8, 0, i + 16, &data[0][0][0], particletexturedata);
1518 setuptex(i + 8, 1, i + 16, &data[0][0][0], particletexturedata);
1522 for (y = 0;y < 32;y++)
1525 for (x = 0;x < 32;x++)
1527 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1529 d = (256 - (dx*dx+dy*dy));
1530 d = bound(0, d, 255);
1531 data[y][x][3] = (qbyte) d;
1534 setuptex(24, 0, 32, &data[0][0][0], particletexturedata);
1535 setuptex(24, 1, 32, &data[0][0][0], particletexturedata);
1538 light[0] = 1;light[1] = 1;light[2] = 1;
1539 VectorNormalize(light);
1540 for (y = 0;y < 32;y++)
1542 for (x = 0;x < 32;x++)
1544 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1545 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);
1548 setuptex(25, 0, 33, &data[0][0][0], particletexturedata);
1549 setuptex(25, 1, 33, &data[0][0][0], particletexturedata);
1552 light[0] = 1;light[1] = 1;light[2] = 1;
1553 VectorNormalize(light);
1554 for (y = 0;y < 32;y++)
1556 for (x = 0;x < 32;x++)
1558 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1559 data[y][x][3] = shadebubble((x - 16) * (1.0 / 16.0), (y - 16) * (1.0 / 16.0), light);
1562 setuptex(26, 0, 34, &data[0][0][0], particletexturedata);
1563 setuptex(26, 1, 34, &data[0][0][0], particletexturedata);
1567 for (y = 0;y < 32;y++)
1570 for (x = 0;x < 32;x++)
1573 d = (2048.0f / (dx*dx+dy*dy+1)) - 8.0f;
1574 data[y][x][0] = bound(0, d * 1.0f, 255);
1575 data[y][x][1] = bound(0, d * 0.8f, 255);
1576 data[y][x][2] = bound(0, d * 0.5f, 255);
1577 data[y][x][3] = bound(0, d * 1.0f, 255);
1580 setuptex(27, 0, 35, &data[0][0][0], particletexturedata);
1581 for (y = 0;y < 32;y++)
1582 for (x = 0;x < 32;x++)
1583 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1584 setuptex(28, 1, 36, &data[0][0][0], particletexturedata);
1587 particlefonttexture = R_LoadTexture (particletexturepool, "particlefont", 256, 256, particletexturedata, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
1590 static void r_part_start(void)
1592 particletexturepool = R_AllocTexturePool();
1593 R_InitParticleTexture ();
1596 static void r_part_shutdown(void)
1598 R_FreeTexturePool(&particletexturepool);
1601 static void r_part_newmap(void)
1605 void R_Particles_Init (void)
1607 Cvar_RegisterVariable(&r_drawparticles);
1608 Cvar_RegisterVariable(&r_particles_lighting);
1609 R_RegisterModule("R_Particles", r_part_start, r_part_shutdown, r_part_newmap);
1612 int partindexarray[6] = {0, 1, 2, 0, 2, 3};
1614 void R_DrawParticles (void)
1616 //renderparticle_t *r;
1617 int i, lighting, dynlight, additive, texnum, orientation;
1618 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];
1620 particletexture_t *tex, *texfog;
1624 // LordHavoc: early out conditions
1625 //if ((!r_refdef.numparticles) || (!r_drawparticles.integer))
1626 if ((!cl_numparticles) || (!r_drawparticles.integer))
1629 lighting = r_particles_lighting.integer;
1630 if (!r_dynamic.integer)
1633 c_particles += cl_numparticles; //r_refdef.numparticles;
1635 uprightangles[0] = 0;
1636 uprightangles[1] = r_refdef.viewangles[1];
1637 uprightangles[2] = 0;
1638 AngleVectors (uprightangles, NULL, right2, up2);
1640 minparticledist = DotProduct(r_origin, vpn) + 16.0f;
1642 // LordHavoc: this meshinfo must match up with R_Mesh_DrawDecal
1643 // LordHavoc: the commented out lines are hardwired behavior in R_Mesh_DrawDecal
1644 memset(&m, 0, sizeof(m));
1645 m.transparent = true;
1646 m.blendfunc1 = GL_SRC_ALPHA;
1647 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1649 m.index = partindexarray;
1651 m.vertex = &tvxyz[0][0];
1652 m.vertexstep = sizeof(float[4]);
1653 m.tex[0] = R_GetTexture(particlefonttexture);
1654 m.texcoords[0] = &tvst[0][0];
1655 m.texcoordstep[0] = sizeof(float[2]);
1657 for (i = 0/*, r = r_refdef.particles*/, p = particles;i < /*r_refdef.numparticles*/cl_numparticles;i++, p++)
1659 // LordHavoc: only render if not too close
1660 if (DotProduct(p->org, vpn) < minparticledist)
1663 // LordHavoc: check if it's in a visible leaf
1664 leaf = Mod_PointInLeaf(p->org, cl.worldmodel);
1665 if (leaf->visframe != r_framecount)
1668 VectorCopy(p->org, org);
1669 orientation = (p->flags >> P_ORIENTATION_FIRSTBIT) & ((1 << P_ORIENTATION_BITS) - 1);
1670 texnum = (p->flags >> P_TEXNUM_FIRSTBIT) & ((1 << P_TEXNUM_BITS) - 1);
1671 dynlight = p->flags & P_DYNLIGHT;
1672 additive = p->flags & P_ADDITIVE;
1673 if (orientation == PARTICLE_BILLBOARD)
1675 VectorScale(vright, p->scalex, right);
1676 VectorScale(vup, p->scaley, up);
1678 else if (orientation == PARTICLE_UPRIGHT_FACING)
1680 VectorScale(right2, p->scalex, right);
1681 VectorScale(up2, p->scaley, up);
1683 else if (orientation == PARTICLE_ORIENTED_DOUBLESIDED)
1686 if (DotProduct(p->vel2, r_origin) > DotProduct(p->vel2, org))
1688 VectorNegate(p->vel2, v);
1689 VectorVectors(v, right, up);
1692 VectorVectors(p->vel2, right, up);
1693 VectorScale(right, p->scalex, right);
1694 VectorScale(up, p->scaley, up);
1697 Host_Error("R_DrawParticles: unknown particle orientation %i\n", orientation);
1699 m.cr = p->color[0] * (1.0f / 255.0f);
1700 m.cg = p->color[1] * (1.0f / 255.0f);
1701 m.cb = p->color[2] * (1.0f / 255.0f);
1702 m.ca = p->alpha * (1.0f / 255.0f);
1703 if (lighting >= 1 && (dynlight || lighting >= 2))
1705 R_CompleteLightPoint(v, org, true, leaf);
1711 tex = &particletexture[texnum][0];
1713 tvxyz[0][0] = org[0] - right[0] - up[0];
1714 tvxyz[0][1] = org[1] - right[1] - up[1];
1715 tvxyz[0][2] = org[2] - right[2] - up[2];
1716 tvxyz[1][0] = org[0] - right[0] + up[0];
1717 tvxyz[1][1] = org[1] - right[1] + up[1];
1718 tvxyz[1][2] = org[2] - right[2] + up[2];
1719 tvxyz[2][0] = org[0] + right[0] + up[0];
1720 tvxyz[2][1] = org[1] + right[1] + up[1];
1721 tvxyz[2][2] = org[2] + right[2] + up[2];
1722 tvxyz[3][0] = org[0] + right[0] - up[0];
1723 tvxyz[3][1] = org[1] + right[1] - up[1];
1724 tvxyz[3][2] = org[2] + right[2] - up[2];
1725 tvst[0][0] = tex->s1;
1726 tvst[0][1] = tex->t1;
1727 tvst[1][0] = tex->s1;
1728 tvst[1][1] = tex->t2;
1729 tvst[2][0] = tex->s2;
1730 tvst[2][1] = tex->t2;
1731 tvst[3][0] = tex->s2;
1732 tvst[3][1] = tex->t1;
1736 m.blendfunc2 = GL_ONE;
1740 texfog = &particletexture[texnum][1];
1741 VectorSubtract(org, r_origin, fogvec);
1742 ifog = 1 - exp(fogdensity/DotProduct(fogvec,fogvec));
1743 if (ifog < (1.0f - (1.0f / 64.0f)))
1745 if (ifog >= (1.0f / 64.0f))
1747 // partially fogged, darken it
1762 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1766 texfog = &particletexture[texnum][1];
1767 VectorSubtract(org, r_origin, fogvec);
1768 fog = exp(fogdensity/DotProduct(fogvec,fogvec));
1769 if (fog >= (1.0f / 64.0f))
1771 if (fog >= (1.0f - (1.0f / 64.0f)))
1773 // fully fogged, just use the fog texture and render as alpha
1777 tvst[0][0] = texfog->s1;
1778 tvst[0][1] = texfog->t1;
1779 tvst[1][0] = texfog->s1;
1780 tvst[1][1] = texfog->t2;
1781 tvst[2][0] = texfog->s2;
1782 tvst[2][1] = texfog->t2;
1783 tvst[3][0] = texfog->s2;
1784 tvst[3][1] = texfog->t1;
1789 // partially fogged, darken the first pass
1794 if (tex->s1 == texfog->s1 && tex->t1 == texfog->t1)
1796 // fog texture is the same as the base, just change the color
1797 m.cr += fogcolor[0] * fog;
1798 m.cg += fogcolor[1] * fog;
1799 m.cb += fogcolor[2] * fog;
1804 // render the first pass (alpha), then do additive fog
1807 m.blendfunc2 = GL_ONE;
1808 m.cr = fogcolor[0] * fog;
1809 m.cg = fogcolor[1] * fog;
1810 m.cb = fogcolor[2] * fog;
1811 tvst[0][0] = texfog->s1;
1812 tvst[0][1] = texfog->t1;
1813 tvst[1][0] = texfog->s1;
1814 tvst[1][1] = texfog->t2;
1815 tvst[2][0] = texfog->s2;
1816 tvst[2][1] = texfog->t2;
1817 tvst[3][0] = texfog->s2;
1818 tvst[3][1] = texfog->t1;