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 typedef struct particle_s
41 float time2; // used for various things (snow fluttering, for example)
42 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)
44 vec3_t vel2; // used for snow fluttering (base velocity, wind for instance)
45 float friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
46 float pressure; // if non-zero, apply pressure to other particles
47 int dynlight; // if set the particle will be dynamically lit (if cl_dynamicparticles is on), used for smoke and blood
52 static int particlepalette[256] =
54 0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
55 0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
56 0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
57 0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
58 0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
59 0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
60 0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
61 0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
62 0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
63 0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
64 0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
65 0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
66 0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
67 0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
68 0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
69 0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
70 0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
71 0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
72 0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
73 0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
74 0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
75 0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
76 0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
77 0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
78 0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
79 0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
80 0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
81 0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
82 0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
83 0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
84 0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
85 0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
88 static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
89 //static int explounderwatersparkramp[8] = {0x00074b, 0x000f6f, 0x071f93, 0x0f33b7, 0x2b63cf, 0x4f97e3, 0xb5e7ff, 0xffffff};
91 // these must match r_part.c's textures
92 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
93 static const int tex_bullethole[8] = {8, 9, 10, 11, 12, 13, 14, 15};
94 static const int tex_rainsplash[16] = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
95 static const int tex_particle = 32;
96 static const int tex_rain = 33;
97 static const int tex_bubble = 34;
98 static const int tex_rocketglow = 35;
100 static int cl_maxparticles;
101 static int cl_numparticles;
102 static particle_t *particles;
103 static particle_t **freeparticles; // list used only in compacting particles array
104 static renderparticle_t *cl_renderparticles;
106 static cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
107 static cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
108 static cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
109 static cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
110 static cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
111 static cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
112 static cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
113 static cvar_t cl_particles_explosions = {CVAR_SAVE, "cl_particles_explosions", "0"};
115 static mempool_t *cl_part_mempool;
117 void CL_Particles_Clear(void)
127 void CL_ReadPointFile_f (void);
128 void CL_Particles_Init (void)
132 i = COM_CheckParm ("-particles");
136 cl_maxparticles = (int)(atoi(com_argv[i+1]));
137 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
138 cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
141 cl_maxparticles = MAX_PARTICLES;
143 Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
145 Cvar_RegisterVariable (&cl_particles);
146 Cvar_RegisterVariable (&cl_particles_size);
147 Cvar_RegisterVariable (&cl_particles_bloodshowers);
148 Cvar_RegisterVariable (&cl_particles_blood);
149 Cvar_RegisterVariable (&cl_particles_smoke);
150 Cvar_RegisterVariable (&cl_particles_sparks);
151 Cvar_RegisterVariable (&cl_particles_bubbles);
152 Cvar_RegisterVariable (&cl_particles_explosions);
154 cl_part_mempool = Mem_AllocPool("CL_Part");
155 particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
156 freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
159 // FIXME: r_refdef stuff should be allocated somewhere else?
160 r_refdef.particles = cl_renderparticles = Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(renderparticle_t));
163 #define particle(ptype, pcolor, ptex, plight, pscale, palpha, ptime, pbounce, px, py, pz, pvx, pvy, pvz, ptime2, pvx2, pvy2, pvz2, pfriction, ppressure)\
167 if (cl_numparticles >= cl_maxparticles)\
169 part = &particles[cl_numparticles++];\
170 part->type = (ptype);\
171 tempcolor = (pcolor);\
172 part->color[0] = ((tempcolor) >> 16) & 0xFF;\
173 part->color[1] = ((tempcolor) >> 8) & 0xFF;\
174 part->color[2] = (tempcolor) & 0xFF;\
175 part->color[3] = 0xFF;\
177 part->dynlight = (plight);\
178 part->scale = (pscale);\
179 part->alpha = (palpha);\
180 part->die = cl.time + (ptime);\
181 part->bounce = (pbounce);\
182 part->org[0] = (px);\
183 part->org[1] = (py);\
184 part->org[2] = (pz);\
185 part->vel[0] = (pvx);\
186 part->vel[1] = (pvy);\
187 part->vel[2] = (pvz);\
188 part->time2 = (ptime2);\
189 part->vel2[0] = (pvx2);\
190 part->vel2[1] = (pvy2);\
191 part->vel2[2] = (pvz2);\
192 part->friction = (pfriction);\
193 part->pressure = (ppressure);\
201 void CL_EntityParticles (entity_t *ent)
205 float sp, sy, cp, cy;
209 static vec3_t avelocities[NUMVERTEXNORMALS];
210 if (!cl_particles.integer) return;
215 if (!avelocities[0][0])
216 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
217 avelocities[0][i] = (rand()&255) * 0.01;
219 for (i=0 ; i<NUMVERTEXNORMALS ; i++)
221 angle = cl.time * avelocities[i][0];
224 angle = cl.time * avelocities[i][1];
232 particle(pt_oneframe, particlepalette[0x6f], tex_particle, false, 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);
237 void CL_ReadPointFile_f (void)
241 char *pointfile, *pointfilepos, *t, tchar;
243 pointfile = COM_LoadFile(va("maps/%s.pts", sv.name), true);
246 Con_Printf ("couldn't open %s.pts\n", sv.name);
250 Con_Printf ("Reading %s.pts...\n", sv.name);
252 pointfilepos = pointfile;
253 while (*pointfilepos)
255 while (*pointfilepos == '\n' || *pointfilepos == '\r')
260 while (*t && *t != '\n' && *t != '\r')
264 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
271 if (cl_numparticles >= cl_maxparticles)
273 Con_Printf ("Not enough free particles\n");
276 particle(pt_static, particlepalette[(-c)&15], tex_particle, false, 2, 255, 99999, 0, org[0], org[1], org[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
280 Con_Printf ("%i points read\n", c);
285 CL_ParseParticleEffect
287 Parse an effect out of the server message
290 void CL_ParseParticleEffect (void)
293 int i, count, msgcount, color;
295 for (i=0 ; i<3 ; i++)
296 org[i] = MSG_ReadCoord ();
297 for (i=0 ; i<3 ; i++)
298 dir[i] = MSG_ReadChar () * (1.0/16);
299 msgcount = MSG_ReadByte ();
300 color = MSG_ReadByte ();
307 CL_RunParticleEffect (org, dir, color, count);
316 void CL_ParticleExplosion (vec3_t org, int smoke)
321 byte noise1[32*32], noise2[32*32];
323 VectorClear(end); // hush MSVC
324 if (cl_particles.integer && cl_particles_explosions.integer)
326 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
327 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
329 for (i = 0;i < 128;i++)
330 particle(pt_bubble, 0xFFFFFF, tex_bubble, false, lhrandom(1, 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);
332 ang[2] = lhrandom(0, 360);
333 fractalnoise(noise1, 32, 4);
334 fractalnoise(noise2, 32, 8);
335 for (i = 0;i < 32;i++)
337 for (j = 0;j < 32;j++)
340 VectorMA(org, 16, v, v);
341 TraceLine(org, v, end, NULL, 0);
342 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
343 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
344 AngleVectors(ang, v, NULL, NULL);
345 f = noise1[j*32+i] * 1.5f;
346 VectorScale(v, f, v);
347 particle(pt_underwaterspark, noise2[j*32+i] * 0x010101, tex_smoke[rand()&7], false, 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);
348 VectorScale(v, 0.75, v);
349 particle(pt_underwaterspark, explosparkramp[(noise2[j*32+i] >> 5)], tex_particle, false, 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);
355 ang[2] = lhrandom(0, 360);
356 fractalnoise(noise1, 32, 4);
357 fractalnoise(noise2, 32, 8);
358 for (i = 0;i < 32;i++)
360 for (j = 0;j < 32;j++)
363 VectorMA(org, 16, v, v);
364 TraceLine(org, v, end, NULL, 0);
365 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
366 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
367 AngleVectors(ang, v, NULL, NULL);
368 f = noise1[j*32+i] * 1.5f;
369 VectorScale(v, f, v);
370 particle(pt_spark, noise2[j*32+i] * 0x010101, tex_smoke[rand()&7], false, 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);
371 VectorScale(v, 0.75, v);
372 particle(pt_spark, explosparkramp[(noise2[j*32+i] >> 5)], tex_particle, false, 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);
374 // VectorScale(v, 384, v);
375 // particle(pt_spark, explosparkramp[rand()&7], tex_particle, false, 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);
384 for (i = 0;i < 256;i++)
387 particle(pt_spark, explosparkramp[rand()&7], tex_particle, false, 2, lhrandom(16, 255), 9999, 1.5, end[0], end[1], end[2], v[0] * 384.0f, v[1] * 384.0f, v[2] * 384.0f + 160.0f, 512.0f, 0, 0, 0, 2, 0);
394 CL_ParticleExplosion2
398 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
401 if (!cl_particles.integer) return;
403 for (i = 0;i < 512;i++)
404 particle(pt_fade, particlepalette[colorStart + (i % colorLength)], tex_particle, false, 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), 0, 0, 0, 0, 0.1f, 0);
413 void CL_BlobExplosion (vec3_t org)
416 if (!cl_particles.integer) return;
418 for (i = 0;i < 256;i++)
419 particle(pt_blob , particlepalette[ 66+(rand()%6)], tex_particle, false, 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);
420 for (i = 0;i < 256;i++)
421 particle(pt_blob2, particlepalette[150+(rand()%6)], tex_particle, false, 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);
430 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
432 if (!cl_particles.integer) return;
436 CL_ParticleExplosion(org, false);
440 particle(pt_fade, particlepalette[color + (rand()&7)], tex_particle, false, 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), 0, 0, 0, 0, 0, 0);
443 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
449 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
451 if (!cl_particles.integer) return;
453 CL_Decal(org, tex_bullethole[rand()&7], 16 * cl_particles_size.value, 0, 0, 0, 1);
456 if (cl_particles_smoke.integer)
457 particle(pt_bulletsmoke, 0xA0A0A0, tex_smoke[rand()&7], true, 5, 255, 9999, 0, org[0], org[1], org[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(0, 16), 0, 0, 0, 0, 0, 0);
459 if (cl_particles_sparks.integer)
463 particle(pt_spark, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, lhrandom(0, 255), 9999, 1.5, org[0], org[1], org[2], lhrandom(-64, 64), lhrandom(-64, 64), lhrandom(0, 128), 512.0f, 0, 0, 0, 0.2f, 0);
467 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
469 // bloodcount is used to accumulate counts too small to cause a blood particle
470 static int bloodcount = 0;
471 if (!cl_particles.integer) return;
472 if (!cl_particles_blood.integer) return;
477 while(bloodcount >= 10)
479 particle(pt_blood, 0x300000, tex_smoke[rand()&7], true, 24, 255, 9999, -1, org[0], org[1], org[2], vel[0] + lhrandom(-64, 64), vel[1] + lhrandom(-64, 64), vel[2] + lhrandom(-64, 64), 0, 0, 0, 0, 1.0f, 0);
484 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
486 vec3_t diff, center, velscale;
487 if (!cl_particles.integer) return;
488 if (!cl_particles_bloodshowers.integer) return;
489 if (!cl_particles_blood.integer) return;
491 VectorSubtract(maxs, mins, diff);
492 center[0] = (mins[0] + maxs[0]) * 0.5;
493 center[1] = (mins[1] + maxs[1]) * 0.5;
494 center[2] = (mins[2] + maxs[2]) * 0.5;
495 // FIXME: change velspeed back to 2.0x after fixing mod
496 velscale[0] = velspeed * 2.0 / diff[0];
497 velscale[1] = velspeed * 2.0 / diff[1];
498 velscale[2] = velspeed * 2.0 / diff[2];
503 org[0] = lhrandom(mins[0], maxs[0]);
504 org[1] = lhrandom(mins[1], maxs[1]);
505 org[2] = lhrandom(mins[2], maxs[2]);
506 vel[0] = (org[0] - center[0]) * velscale[0];
507 vel[1] = (org[1] - center[1]) * velscale[1];
508 vel[2] = (org[2] - center[2]) * velscale[2];
509 particle(pt_blood, 0x300000, tex_smoke[rand()&7], true, 24, 255, 9999, -1, org[0], org[1], org[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, 1.0f, 0);
513 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
516 if (!cl_particles.integer) return;
517 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
518 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
519 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
522 particle(gravity ? pt_grav : pt_static, particlepalette[colorbase + (rand()&3)], tex_particle, false, 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);
525 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
529 if (!cl_particles.integer) return;
530 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
531 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
532 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
533 if (dir[2] < 0) // falling
535 t = (maxs[2] - mins[2]) / -dir[2];
540 t = (maxs[2] - mins[2]) / dir[2];
543 if (t < 0 || t > 2) // sanity check
551 vel[0] = dir[0] + lhrandom(-16, 16);
552 vel[1] = dir[1] + lhrandom(-16, 16);
553 vel[2] = dir[2] + lhrandom(-32, 32);
554 particle(pt_rain, particlepalette[colorbase + (rand()&3)], tex_rain, true, 3, 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);
560 vel[0] = dir[0] + lhrandom(-16, 16);
561 vel[1] = dir[1] + lhrandom(-16, 16);
562 vel[2] = dir[2] + lhrandom(-32, 32);
563 particle(pt_snow, particlepalette[colorbase + (rand()&3)], tex_particle, false, 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);
567 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
571 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
574 if (!cl_particles.integer) return;
575 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
576 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
577 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
580 particle(pt_flame, particlepalette[224 + (rand()&15)], tex_particle, false, 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, 0.1f, 0);
583 void CL_Flames (vec3_t org, vec3_t vel, int count)
585 if (!cl_particles.integer) return;
588 particle(pt_flame, particlepalette[224 + (rand()&15)], tex_particle, false, 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, 0.1f, 0);
599 void CL_LavaSplash (vec3_t origin)
604 if (!cl_particles.integer) return;
606 for (i=-128 ; i<128 ; i+=16)
608 for (j=-128 ; j<128 ; j+=16)
610 dir[0] = j + lhrandom(0, 8);
611 dir[1] = i + lhrandom(0, 8);
613 org[0] = origin[0] + dir[0];
614 org[1] = origin[1] + dir[1];
615 org[2] = origin[2] + lhrandom(0, 64);
616 vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
617 particle(pt_lavasplash, particlepalette[224 + (rand()&7)], tex_particle, false, 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);
628 void CL_TeleportSplash (vec3_t org)
631 if (!cl_particles.integer) return;
633 for (i=-16 ; i<16 ; i+=8)
634 for (j=-16 ; j<16 ; j+=8)
635 for (k=-24 ; k<32 ; k+=8)
636 particle(pt_fade, 0xFFFFFF, tex_particle, false, 1, 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), 0, 0, 0, 0, 0.1f, -512.0f);
639 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
641 vec3_t vec, dir, vel;
642 float len, dec = 0, speed;
643 int contents, bubbles;
645 if (!cl_particles.integer) return;
647 VectorSubtract(end, start, dir);
648 VectorNormalize(dir);
650 if (type == 0 && host_frametime != 0) // rocket glow
651 particle(pt_oneframe, 0xFFFFFF, tex_rocketglow, false, 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);
653 t = ent->persistent.trail_time;
655 return; // no particles to spawn this frame (sparse trail)
660 VectorSubtract (end, start, vec);
661 len = VectorNormalizeLength (vec);
664 // advance the trail time
665 ent->persistent.trail_time = cl.time;
668 speed = len / (cl.time - cl.oldtime);
669 VectorScale(vec, speed, vel);
671 // advance into this frame to reach the first puff location
672 dec = t - cl.oldtime;
674 VectorMA(start, dec, vec, start);
676 contents = Mod_PointInLeaf(start, cl.worldmodel)->contents;
677 if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
679 // advance the trail time
680 ent->persistent.trail_time = cl.time;
684 bubbles = (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
690 case 0: // rocket trail
691 if (!cl_particles_smoke.integer)
693 else if (bubbles && cl_particles_bubbles.integer)
696 particle(pt_bubble, 0xFFFFFF, tex_bubble, false, lhrandom(1, 2), 255, 9999, 1.5, start[0], start[1], start[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
697 particle(pt_bubble, 0xFFFFFF, tex_bubble, false, lhrandom(1, 2), 255, 9999, 1.5, start[0], start[1], start[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
698 particle(pt_smoke, 0xFFFFFF, tex_smoke[rand()&7], false, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
703 particle(pt_smoke, 0xC0C0C0, tex_smoke[rand()&7], true, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
704 //particle(pt_spark, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, lhrandom(128, 255), 9999, 1.5, start[0], start[1], start[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, 0.1f, 0);
705 //particle(pt_spark, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, lhrandom(128, 255), 9999, 1.5, start[0], start[1], start[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, 0.1f, 0);
706 //particle(pt_spark, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, lhrandom(128, 255), 9999, 1.5, start[0], start[1], start[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, 0.1f, 0);
707 //particle(pt_spark, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, lhrandom(128, 255), 9999, 1.5, start[0], start[1], start[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, 0.1f, 0);
711 case 1: // grenade trail
712 // FIXME: make it gradually stop smoking
713 if (!cl_particles_smoke.integer)
715 else if (bubbles && cl_particles_bubbles.integer)
718 particle(pt_bubble, 0xFFFFFF, tex_bubble, false, lhrandom(1, 2), 255, 9999, 1.5, start[0], start[1], start[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
719 particle(pt_bubble, 0xFFFFFF, tex_bubble, false, lhrandom(1, 2), 255, 9999, 1.5, start[0], start[1], start[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, 0, 0);
720 particle(pt_smoke, 0xFFFFFF, tex_smoke[rand()&7], false, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
725 particle(pt_smoke, 0x808080, tex_smoke[rand()&7], true, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
731 if (!cl_particles_blood.integer)
736 particle(pt_blood, 0x300000, tex_smoke[rand()&7], true, 24, 255, 9999, -1, start[0], start[1], start[2], vel[0] + lhrandom(-64, 64), vel[1] + lhrandom(-64, 64), vel[2] + lhrandom(-64, 64), 0, 0, 0, 0, 1.0f, 0);
740 case 4: // slight blood
741 if (!cl_particles_blood.integer)
746 particle(pt_blood, 0x300000, tex_smoke[rand()&7], true, 24, 255, 9999, -1, start[0], start[1], start[2], vel[0] + lhrandom(-64, 64), vel[1] + lhrandom(-64, 64), vel[2] + lhrandom(-64, 64), 0, 0, 0, 0, 1.0f, 0);
750 case 3: // green tracer
752 particle(pt_fade, 0x373707, tex_smoke[rand()&7], false, 4, 255, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
755 case 5: // flame tracer
757 particle(pt_fade, 0xCF632B, tex_smoke[rand()&7], false, 4, 255, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
760 case 6: // voor trail
761 dec = 0.05f; // sparse trail
762 particle(pt_fade, 0x47232B, tex_smoke[rand()&7], false, 4, 255, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
765 case 7: // Nehahra smoke tracer
766 if (!cl_particles_smoke.integer)
771 particle(pt_smoke, 0xC0C0C0, tex_smoke[rand()&7], true, 10, 64, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
776 // advance to next time and position
779 VectorMA (start, dec, vec, start);
781 ent->persistent.trail_time = t;
784 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
788 if (!cl_particles.integer) return;
789 if (!cl_particles_smoke.integer) return;
791 VectorSubtract (end, start, vec);
792 len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
793 VectorScale(vec, 3, vec);
794 color = particlepalette[color];
797 particle(pt_smoke, color, tex_particle, false, 8, 192, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
798 VectorAdd (start, vec, start);
808 void CL_MoveParticles (void)
812 int i, activeparticles, maxparticle, j, a, b, pressureused = false;
813 float gravity, dvel, frametime, f, dist, normal[3], v[3], org[3], o[3];
815 // LordHavoc: early out condition
816 if (!cl_numparticles)
819 frametime = cl.time - cl.oldtime;
821 return; // if absolutely still, don't update particles
822 gravity = frametime * sv_gravity.value;
823 dvel = 1+4*frametime;
828 for (i = 0, p = particles, r = r_refdef.particles;i < cl_numparticles;i++, p++)
830 if (p->die < cl.time)
832 freeparticles[j++] = p;
836 VectorCopy(p->org, p->oldorg);
837 VectorMA(p->org, frametime, p->vel, p->org);
840 f = 1.0f - (p->friction * frametime);
841 VectorScale(p->vel, f, p->vel);
843 VectorCopy(p->org, org);
846 if (TraceLine(p->oldorg, p->org, v, normal, 0) < 1)
848 VectorCopy(v, p->org);
851 CL_Decal(v, p->tex, p->scale * cl_particles_size.value, p->color[0] * (1.0f / 255.0f), p->color[1] * (1.0f / 255.0f), p->color[2] * (1.0f / 255.0f), p->alpha * (1.0f / 255.0f));
853 freeparticles[j++] = p;
858 dist = DotProduct(p->vel, normal) * -p->bounce;
859 VectorMA(p->vel, dist, normal, p->vel);
860 if (DotProduct(p->vel, p->vel) < 0.03)
871 // LordHavoc: drop-through because of shared code
877 p->alpha -= frametime * 256;
883 p->vel[2] -= gravity;
886 p->vel[2] -= gravity * 0.05;
887 p->alpha -= frametime * 192;
892 if (cl.time > p->time2)
894 p->time2 = cl.time + (rand() & 3) * 0.1;
895 p->vel[0] = (rand()&63)-32 + p->vel2[0];
896 p->vel[1] = (rand()&63)-32 + p->vel2[1];
897 p->vel[2] = (rand()&63)-32 + p->vel2[2];
899 a = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
900 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
903 if (a == CONTENTS_SOLID && Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents == CONTENTS_SOLID)
904 break; // still in solid
905 p->die = cl.time + 1000;
906 p->vel[0] = p->vel[1] = p->vel[2] = 0;
911 p->tex = tex_smoke[rand()&7];
918 p->tex = tex_smoke[rand()&7];
924 default: // CONTENTS_SOLID and any others
925 TraceLine(p->oldorg, p->org, v, normal, 0);
926 VectorCopy(v, p->org);
927 p->tex = tex_smoke[rand()&7];
936 a = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
937 if (a != CONTENTS_EMPTY)
939 if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
942 p->scale += frametime * 32.0f;
943 p->alpha -= frametime * 128.0f;
944 p->vel[2] += gravity * 0.125f;
955 p->vel[2] -= gravity * 0.5;
958 p->alpha -= frametime * p->time2;
959 p->vel[2] -= gravity;
962 else if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents != CONTENTS_EMPTY)
963 p->type = pt_underwaterspark;
965 case pt_underwaterspark:
966 if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
968 p->tex = tex_smoke[rand()&7];
969 p->color[0] = p->color[1] = p->color[2] = 255;
971 p->type = pt_explosionsplash;
974 p->vel[2] += gravity * 0.5f;
975 p->alpha -= frametime * p->time2;
979 case pt_explosionsplash:
980 if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
981 p->vel[2] -= gravity;
984 p->scale += frametime * 64.0f;
985 p->alpha -= frametime * 1024.0f;
990 p->alpha -= frametime * 512;
995 a = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
996 if (a != CONTENTS_WATER && a != CONTENTS_SLIME)
998 p->tex = tex_smoke[rand()&7];
999 p->type = pt_splashpuff;
1001 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1004 p->vel[2] += gravity * 0.25;
1005 p->vel[0] *= (1 - (frametime * 0.0625));
1006 p->vel[1] *= (1 - (frametime * 0.0625));
1007 p->vel[2] *= (1 - (frametime * 0.0625));
1008 if (cl.time > p->time2)
1010 p->time2 = cl.time + lhrandom(0, 0.5);
1011 p->vel[0] += lhrandom(-32,32);
1012 p->vel[1] += lhrandom(-32,32);
1013 p->vel[2] += lhrandom(-32,32);
1015 p->alpha -= frametime * 256;
1019 case pt_bulletsmoke:
1020 p->scale += frametime * 16;
1021 p->alpha -= frametime * 1024;
1022 p->vel[2] += gravity * 0.1;
1027 p->scale += frametime * 24;
1028 p->alpha -= frametime * 256;
1029 p->vel[2] += gravity * 0.1;
1034 p->scale += frametime * 48;
1035 p->alpha -= frametime * 512;
1036 p->vel[2] += gravity * 0.05;
1041 p->alpha -= frametime * 1024;
1047 b = Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents;
1048 VectorCopy(p->oldorg, o);
1052 f = TraceLine(o, p->org, v, normal, a);
1053 b = traceline_endcontents;
1054 if (f < 1 && b != CONTENTS_EMPTY && b != CONTENTS_SKY)
1056 p->die = cl.time + 1000;
1057 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1058 VectorCopy(v, p->org);
1062 case CONTENTS_SLIME:
1063 p->tex = tex_smoke[rand()&7];
1068 default: // water, solid, and anything else
1069 p->tex = tex_rainsplash[0];
1071 VectorCopy(normal, p->vel2);
1072 // VectorAdd(p->org, normal, p->org);
1073 p->type = pt_raindropsplash;
1080 case pt_raindropsplash:
1081 p->time2 += frametime * 64.0f;
1082 if (p->time2 >= 16.0f)
1087 p->tex = tex_rainsplash[(int) p->time2];
1090 p->alpha -= frametime * 512;
1091 p->vel[2] += gravity;
1101 printf("unknown particle type %i\n", p->type);
1106 // LordHavoc: immediate removal of unnecessary particles (must be done to ensure compactor below operates properly in all cases)
1107 if (p->die < cl.time)
1108 freeparticles[j++] = p;
1114 pressureused = true;
1116 // build renderparticle for renderer to use
1117 if (p->type == pt_raindropsplash)
1119 r->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1120 r->dir[0] = p->vel2[0];
1121 r->dir[1] = p->vel2[1];
1122 r->dir[2] = p->vel2[2];
1124 else if (p->tex == tex_rain)
1125 r->orientation = PARTICLE_UPRIGHT_FACING;
1127 r->orientation = PARTICLE_BILLBOARD;
1128 r->org[0] = p->org[0];
1129 r->org[1] = p->org[1];
1130 r->org[2] = p->org[2];
1132 r->scale = p->scale * 0.5f * cl_particles_size.value;
1133 r->dynlight = p->dynlight;
1134 r->color[0] = p->color[0] * (1.0f / 255.0f);
1135 r->color[1] = p->color[1] * (1.0f / 255.0f);
1136 r->color[2] = p->color[2] * (1.0f / 255.0f);
1137 r->color[3] = p->alpha * (1.0f / 255.0f);
1141 r_refdef.numparticles = r - r_refdef.particles;
1142 // fill in gaps to compact the array
1144 while (maxparticle >= activeparticles)
1146 *freeparticles[i++] = particles[maxparticle--];
1147 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1150 cl_numparticles = activeparticles;
1154 activeparticles = 0;
1155 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1157 freeparticles[activeparticles++] = p;
1159 if (activeparticles)
1161 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1163 for (j = 0;j < activeparticles;j++)
1165 if (freeparticles[j] != p)
1167 float dist, diff[3];
1168 VectorSubtract(p->org, freeparticles[j]->org, diff);
1169 dist = DotProduct(diff, diff);
1170 if (dist < 4096 && dist >= 1)
1172 dist = freeparticles[j]->scale * 4.0f * frametime / sqrt(dist);
1173 VectorMA(p->vel, dist, diff, p->vel);
1174 //dist = freeparticles[j]->scale * 4.0f * frametime / dist;
1175 //VectorMA(p->vel, dist, freeparticles[j]->vel, p->vel);