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
35 int orientation; // typically PARTICLE_BILLBOARD
43 float time2; // used for various things (snow fluttering, for example)
44 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)
46 vec3_t vel2; // used for snow fluttering (base velocity, wind for instance)
47 float friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
48 float pressure; // if non-zero, apply pressure to other particles
49 int dynlight; // if set the particle will be dynamically lit (if cl_dynamicparticles is on), used for smoke and blood
54 static int particlepalette[256] =
56 0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
57 0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
58 0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
59 0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
60 0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
61 0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
62 0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
63 0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
64 0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
65 0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
66 0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
67 0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
68 0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
69 0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
70 0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
71 0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
72 0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
73 0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
74 0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
75 0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
76 0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
77 0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
78 0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
79 0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
80 0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
81 0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
82 0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
83 0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
84 0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
85 0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
86 0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
87 0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
90 static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
91 //static int explounderwatersparkramp[8] = {0x00074b, 0x000f6f, 0x071f93, 0x0f33b7, 0x2b63cf, 0x4f97e3, 0xb5e7ff, 0xffffff};
93 // these must match r_part.c's textures
94 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
95 static const int tex_bullethole[8] = {8, 9, 10, 11, 12, 13, 14, 15};
96 static const int tex_rainsplash[16] = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
97 static const int tex_particle = 32;
98 static const int tex_rain = 33;
99 static const int tex_bubble = 34;
100 static const int tex_rocketglow = 35;
102 static int cl_maxparticles;
103 static int cl_numparticles;
104 static particle_t *particles;
105 static particle_t **freeparticles; // list used only in compacting particles array
106 static renderparticle_t *cl_renderparticles;
108 static cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
109 static cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
110 static cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
111 static cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
112 static cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
113 static cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
114 static cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
115 static cvar_t cl_particles_explosions = {CVAR_SAVE, "cl_particles_explosions", "0"};
117 static mempool_t *cl_part_mempool;
119 void CL_Particles_Clear(void)
129 void CL_ReadPointFile_f (void);
130 void CL_Particles_Init (void)
134 i = COM_CheckParm ("-particles");
138 cl_maxparticles = (int)(atoi(com_argv[i+1]));
139 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
140 cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
143 cl_maxparticles = MAX_PARTICLES;
145 Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
147 Cvar_RegisterVariable (&cl_particles);
148 Cvar_RegisterVariable (&cl_particles_size);
149 Cvar_RegisterVariable (&cl_particles_bloodshowers);
150 Cvar_RegisterVariable (&cl_particles_blood);
151 Cvar_RegisterVariable (&cl_particles_smoke);
152 Cvar_RegisterVariable (&cl_particles_sparks);
153 Cvar_RegisterVariable (&cl_particles_bubbles);
154 Cvar_RegisterVariable (&cl_particles_explosions);
156 cl_part_mempool = Mem_AllocPool("CL_Part");
157 particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
158 freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
161 // FIXME: r_refdef stuff should be allocated somewhere else?
162 r_refdef.particles = cl_renderparticles = Mem_Alloc(cl_refdef_mempool, cl_maxparticles * sizeof(renderparticle_t));
165 #define particle(ptype, porientation, pcolor, ptex, plight, pscalex, pscaley, palpha, ptime, pbounce, px, py, pz, pvx, pvy, pvz, ptime2, pvx2, pvy2, pvz2, pfriction, ppressure)\
169 if (cl_numparticles >= cl_maxparticles)\
171 part = &particles[cl_numparticles++];\
172 part->type = (ptype);\
173 tempcolor = (pcolor);\
174 part->color[0] = ((tempcolor) >> 16) & 0xFF;\
175 part->color[1] = ((tempcolor) >> 8) & 0xFF;\
176 part->color[2] = (tempcolor) & 0xFF;\
177 part->color[3] = 0xFF;\
179 part->orientation = (porientation);\
180 part->dynlight = (plight);\
181 part->scalex = (pscalex);\
182 part->scaley = (pscaley);\
183 part->alpha = (palpha);\
184 part->die = cl.time + (ptime);\
185 part->bounce = (pbounce);\
186 part->org[0] = (px);\
187 part->org[1] = (py);\
188 part->org[2] = (pz);\
189 part->vel[0] = (pvx);\
190 part->vel[1] = (pvy);\
191 part->vel[2] = (pvz);\
192 part->time2 = (ptime2);\
193 part->vel2[0] = (pvx2);\
194 part->vel2[1] = (pvy2);\
195 part->vel2[2] = (pvz2);\
196 part->friction = (pfriction);\
197 part->pressure = (ppressure);\
205 void CL_EntityParticles (entity_t *ent)
209 float sp, sy, cp, cy;
213 static vec3_t avelocities[NUMVERTEXNORMALS];
214 if (!cl_particles.integer) return;
219 if (!avelocities[0][0])
220 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
221 avelocities[0][i] = (rand()&255) * 0.01;
223 for (i=0 ; i<NUMVERTEXNORMALS ; i++)
225 angle = cl.time * avelocities[i][0];
228 angle = cl.time * avelocities[i][1];
236 particle(pt_oneframe, PARTICLE_BILLBOARD, particlepalette[0x6f], tex_particle, 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);
241 void CL_ReadPointFile_f (void)
245 char *pointfile, *pointfilepos, *t, tchar;
247 pointfile = COM_LoadFile(va("maps/%s.pts", sv.name), true);
250 Con_Printf ("couldn't open %s.pts\n", sv.name);
254 Con_Printf ("Reading %s.pts...\n", sv.name);
256 pointfilepos = pointfile;
257 while (*pointfilepos)
259 while (*pointfilepos == '\n' || *pointfilepos == '\r')
264 while (*t && *t != '\n' && *t != '\r')
268 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
275 if (cl_numparticles >= cl_maxparticles)
277 Con_Printf ("Not enough free particles\n");
280 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[(-c)&15], tex_particle, false, 2, 2, 255, 99999, 0, org[0], org[1], org[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
284 Con_Printf ("%i points read\n", c);
289 CL_ParseParticleEffect
291 Parse an effect out of the server message
294 void CL_ParseParticleEffect (void)
297 int i, count, msgcount, color;
299 for (i=0 ; i<3 ; i++)
300 org[i] = MSG_ReadCoord ();
301 for (i=0 ; i<3 ; i++)
302 dir[i] = MSG_ReadChar () * (1.0/16);
303 msgcount = MSG_ReadByte ();
304 color = MSG_ReadByte ();
311 CL_RunParticleEffect (org, dir, color, count);
320 void CL_ParticleExplosion (vec3_t org, int smoke)
325 byte noise1[32*32], noise2[32*32];
327 VectorClear(end); // hush MSVC
328 if (cl_particles.integer && cl_particles_explosions.integer)
330 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
331 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
333 for (i = 0;i < 128;i++)
334 particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, tex_bubble, false, 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);
336 ang[2] = lhrandom(0, 360);
337 fractalnoise(noise1, 32, 4);
338 fractalnoise(noise2, 32, 8);
339 for (i = 0;i < 32;i++)
341 for (j = 0;j < 32;j++)
344 VectorMA(org, 16, v, v);
345 TraceLine(org, v, end, NULL, 0);
346 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
347 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
348 AngleVectors(ang, v, NULL, NULL);
349 f = noise1[j*32+i] * 1.5f;
350 VectorScale(v, f, v);
351 particle(pt_underwaterspark, PARTICLE_BILLBOARD, noise2[j*32+i] * 0x010101, tex_smoke[rand()&7], false, 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);
352 VectorScale(v, 0.75, v);
353 particle(pt_underwaterspark, PARTICLE_BILLBOARD, explosparkramp[(noise2[j*32+i] >> 5)], tex_particle, false, 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);
359 ang[2] = lhrandom(0, 360);
360 fractalnoise(noise1, 32, 4);
361 fractalnoise(noise2, 32, 8);
362 for (i = 0;i < 32;i++)
364 for (j = 0;j < 32;j++)
367 VectorMA(org, 16, v, v);
368 TraceLine(org, v, end, NULL, 0);
369 ang[0] = (j + 0.5f) * (360.0f / 32.0f);
370 ang[1] = (i + 0.5f) * (360.0f / 32.0f);
371 AngleVectors(ang, v, NULL, NULL);
372 f = noise1[j*32+i] * 1.5f;
373 VectorScale(v, f, v);
374 particle(pt_spark, PARTICLE_BILLBOARD, noise2[j*32+i] * 0x010101, tex_smoke[rand()&7], false, 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);
375 VectorScale(v, 0.75, v);
376 particle(pt_spark, PARTICLE_BILLBOARD, explosparkramp[(noise2[j*32+i] >> 5)], tex_particle, false, 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);
378 // VectorScale(v, 384, v);
379 // particle(pt_spark, PARTICLE_BILLBOARD, explosparkramp[rand()&7], tex_particle, false, 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);
390 CL_ParticleExplosion2
394 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
397 if (!cl_particles.integer) return;
399 for (i = 0;i < 512;i++)
400 particle(pt_fade, PARTICLE_BILLBOARD, particlepalette[colorStart + (i % colorLength)], tex_particle, 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), 0, 0, 0, 0, 0.1f, 0);
409 void CL_BlobExplosion (vec3_t org)
412 if (!cl_particles.integer) return;
414 for (i = 0;i < 256;i++)
415 particle(pt_blob , PARTICLE_BILLBOARD, particlepalette[ 66+(rand()%6)], tex_particle, false, 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);
416 for (i = 0;i < 256;i++)
417 particle(pt_blob2, PARTICLE_BILLBOARD, particlepalette[150+(rand()%6)], tex_particle, false, 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);
426 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
428 if (!cl_particles.integer) return;
432 CL_ParticleExplosion(org, false);
436 particle(pt_fade, PARTICLE_BILLBOARD, particlepalette[color + (rand()&7)], tex_particle, 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), 0, 0, 0, 0, 0, 0);
439 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
445 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
447 if (!cl_particles.integer) return;
449 CL_Decal(org, tex_bullethole[rand()&7], 16 * cl_particles_size.value, 0, 0, 0, 1);
452 if (cl_particles_smoke.integer)
453 particle(pt_bulletsmoke, PARTICLE_BILLBOARD, 0xA0A0A0, tex_smoke[rand()&7], true, 5, 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);
455 if (cl_particles_sparks.integer)
459 particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, 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);
463 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
465 // bloodcount is used to accumulate counts too small to cause a blood particle
466 static int bloodcount = 0;
467 if (!cl_particles.integer) return;
468 if (!cl_particles_blood.integer) return;
473 while(bloodcount >= 10)
475 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, tex_smoke[rand()&7], true, 24, 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);
480 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
482 vec3_t diff, center, velscale;
483 if (!cl_particles.integer) return;
484 if (!cl_particles_bloodshowers.integer) return;
485 if (!cl_particles_blood.integer) return;
487 VectorSubtract(maxs, mins, diff);
488 center[0] = (mins[0] + maxs[0]) * 0.5;
489 center[1] = (mins[1] + maxs[1]) * 0.5;
490 center[2] = (mins[2] + maxs[2]) * 0.5;
491 // FIXME: change velspeed back to 2.0x after fixing mod
492 velscale[0] = velspeed * 2.0 / diff[0];
493 velscale[1] = velspeed * 2.0 / diff[1];
494 velscale[2] = velspeed * 2.0 / diff[2];
499 org[0] = lhrandom(mins[0], maxs[0]);
500 org[1] = lhrandom(mins[1], maxs[1]);
501 org[2] = lhrandom(mins[2], maxs[2]);
502 vel[0] = (org[0] - center[0]) * velscale[0];
503 vel[1] = (org[1] - center[1]) * velscale[1];
504 vel[2] = (org[2] - center[2]) * velscale[2];
505 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, tex_smoke[rand()&7], true, 24, 24, 255, 9999, -1, org[0], org[1], org[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, 1.0f, 0);
509 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
512 if (!cl_particles.integer) return;
513 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
514 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
515 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
518 particle(gravity ? pt_grav : pt_static, PARTICLE_BILLBOARD, particlepalette[colorbase + (rand()&3)], tex_particle, 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);
521 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
525 if (!cl_particles.integer) return;
526 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
527 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
528 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
529 if (dir[2] < 0) // falling
531 t = (maxs[2] - mins[2]) / -dir[2];
536 t = (maxs[2] - mins[2]) / dir[2];
539 if (t < 0 || t > 2) // sanity check
545 count *= 4; // ick, this should be in the mod or maps?
549 vel[0] = dir[0] + lhrandom(-16, 16);
550 vel[1] = dir[1] + lhrandom(-16, 16);
551 vel[2] = dir[2] + lhrandom(-32, 32);
552 particle(pt_rain, PARTICLE_UPRIGHT_FACING, particlepalette[colorbase + (rand()&3)], tex_particle, 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);
558 vel[0] = dir[0] + lhrandom(-16, 16);
559 vel[1] = dir[1] + lhrandom(-16, 16);
560 vel[2] = dir[2] + lhrandom(-32, 32);
561 particle(pt_snow, PARTICLE_BILLBOARD, particlepalette[colorbase + (rand()&3)], tex_particle, false, 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);
565 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
569 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
572 if (!cl_particles.integer) return;
573 if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
574 if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
575 if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
578 particle(pt_flame, PARTICLE_BILLBOARD, particlepalette[224 + (rand()&15)], tex_particle, false, 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, 0.1f, 0);
581 void CL_Flames (vec3_t org, vec3_t vel, int count)
583 if (!cl_particles.integer) return;
586 particle(pt_flame, PARTICLE_BILLBOARD, particlepalette[224 + (rand()&15)], tex_particle, false, 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, 0.1f, 0);
597 void CL_LavaSplash (vec3_t origin)
602 if (!cl_particles.integer) return;
604 for (i=-128 ; i<128 ; i+=16)
606 for (j=-128 ; j<128 ; j+=16)
608 dir[0] = j + lhrandom(0, 8);
609 dir[1] = i + lhrandom(0, 8);
611 org[0] = origin[0] + dir[0];
612 org[1] = origin[1] + dir[1];
613 org[2] = origin[2] + lhrandom(0, 64);
614 vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
615 particle(pt_lavasplash, PARTICLE_BILLBOARD, particlepalette[224 + (rand()&7)], tex_particle, false, 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);
626 void CL_TeleportSplash (vec3_t org)
629 if (!cl_particles.integer) return;
631 for (i=-16 ; i<16 ; i+=8)
632 for (j=-16 ; j<16 ; j+=8)
633 for (k=-24 ; k<32 ; k+=8)
634 particle(pt_fade, PARTICLE_BILLBOARD, 0xFFFFFF, tex_particle, false, 1, 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);
637 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
639 vec3_t vec, dir, vel;
640 float len, dec = 0, speed;
641 int contents, bubbles;
643 if (!cl_particles.integer) return;
645 VectorSubtract(end, start, dir);
646 VectorNormalize(dir);
648 if (type == 0 && host_frametime != 0) // rocket glow
649 particle(pt_oneframe, PARTICLE_BILLBOARD, 0xFFFFFF, tex_rocketglow, false, 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);
651 t = ent->persistent.trail_time;
653 return; // no particles to spawn this frame (sparse trail)
658 VectorSubtract (end, start, vec);
659 len = VectorNormalizeLength (vec);
662 // advance the trail time
663 ent->persistent.trail_time = cl.time;
666 speed = len / (cl.time - cl.oldtime);
667 VectorScale(vec, speed, vel);
669 // advance into this frame to reach the first puff location
670 dec = t - cl.oldtime;
672 VectorMA(start, dec, vec, start);
674 contents = Mod_PointInLeaf(start, cl.worldmodel)->contents;
675 if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
677 // advance the trail time
678 ent->persistent.trail_time = cl.time;
682 bubbles = (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
688 case 0: // rocket trail
689 if (!cl_particles_smoke.integer)
691 else if (bubbles && cl_particles_bubbles.integer)
694 particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, tex_bubble, false, 2, 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);
695 particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, tex_bubble, false, 2, 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);
696 particle(pt_smoke, PARTICLE_BILLBOARD, 0xFFFFFF, tex_smoke[rand()&7], false, 2, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
701 particle(pt_smoke, PARTICLE_BILLBOARD, 0xC0C0C0, tex_smoke[rand()&7], true, 2, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
702 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, 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);
703 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, 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);
704 //particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, 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, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], tex_particle, false, 1, 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);
709 case 1: // grenade trail
710 // FIXME: make it gradually stop smoking
711 if (!cl_particles_smoke.integer)
713 else if (bubbles && cl_particles_bubbles.integer)
716 particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, tex_bubble, false, 2, 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);
717 particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, tex_bubble, false, 2, 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);
718 particle(pt_smoke, PARTICLE_BILLBOARD, 0xFFFFFF, tex_smoke[rand()&7], false, 2, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
723 particle(pt_smoke, PARTICLE_BILLBOARD, 0x808080, tex_smoke[rand()&7], true, 2, 2, 160, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
729 if (!cl_particles_blood.integer)
734 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, tex_smoke[rand()&7], true, 24, 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);
738 case 4: // slight blood
739 if (!cl_particles_blood.integer)
744 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, tex_smoke[rand()&7], true, 24, 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);
748 case 3: // green tracer
750 particle(pt_fade, PARTICLE_BILLBOARD, 0x373707, tex_smoke[rand()&7], false, 4, 4, 255, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
753 case 5: // flame tracer
755 particle(pt_fade, PARTICLE_BILLBOARD, 0xCF632B, tex_smoke[rand()&7], false, 4, 4, 255, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
758 case 6: // voor trail
759 dec = 0.05f; // sparse trail
760 particle(pt_fade, PARTICLE_BILLBOARD, 0x47232B, tex_smoke[rand()&7], false, 4, 4, 255, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
763 case 7: // Nehahra smoke tracer
764 if (!cl_particles_smoke.integer)
769 particle(pt_smoke, PARTICLE_BILLBOARD, 0xC0C0C0, tex_smoke[rand()&7], true, 10, 10, 64, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
774 // advance to next time and position
777 VectorMA (start, dec, vec, start);
779 ent->persistent.trail_time = t;
782 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
786 if (!cl_particles.integer) return;
787 if (!cl_particles_smoke.integer) return;
789 VectorSubtract (end, start, vec);
790 len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
791 VectorScale(vec, 3, vec);
792 color = particlepalette[color];
795 particle(pt_smoke, PARTICLE_BILLBOARD, color, tex_particle, false, 8, 8, 192, 9999, 0, start[0], start[1], start[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
796 VectorAdd (start, vec, start);
806 void CL_MoveParticles (void)
810 int i, activeparticles, maxparticle, j, a, b, pressureused = false;
811 float gravity, dvel, frametime, f, dist, normal[3], v[3], org[3], o[3];
813 // LordHavoc: early out condition
814 if (!cl_numparticles)
816 r_refdef.numparticles = 0;
820 frametime = cl.time - cl.oldtime;
822 return; // if absolutely still, don't update particles
823 gravity = frametime * sv_gravity.value;
824 dvel = 1+4*frametime;
829 for (i = 0, p = particles, r = r_refdef.particles;i < cl_numparticles;i++, p++)
831 if (p->die < cl.time)
833 freeparticles[j++] = p;
837 VectorCopy(p->org, p->oldorg);
838 VectorMA(p->org, frametime, p->vel, p->org);
841 f = 1.0f - (p->friction * frametime);
842 VectorScale(p->vel, f, p->vel);
844 VectorCopy(p->org, org);
847 if (TraceLine(p->oldorg, p->org, v, normal, 0) < 1)
849 VectorCopy(v, p->org);
852 CL_Decal(v, p->tex, p->scalex * 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));
854 freeparticles[j++] = p;
859 dist = DotProduct(p->vel, normal) * -p->bounce;
860 VectorMA(p->vel, dist, normal, p->vel);
861 if (DotProduct(p->vel, p->vel) < 0.03)
872 // LordHavoc: drop-through because of shared code
878 p->alpha -= frametime * 256;
884 p->vel[2] -= gravity;
887 p->vel[2] -= gravity * 0.05;
888 p->alpha -= frametime * 192;
893 if (cl.time > p->time2)
895 p->time2 = cl.time + (rand() & 3) * 0.1;
896 p->vel[0] = (rand()&63)-32 + p->vel2[0];
897 p->vel[1] = (rand()&63)-32 + p->vel2[1];
898 p->vel[2] = (rand()&63)-32 + p->vel2[2];
900 a = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
901 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
905 if (a == CONTENTS_SOLID && Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents == CONTENTS_SOLID)
906 break; // still in solid
907 p->die = cl.time + 1000;
908 p->vel[0] = p->vel[1] = p->vel[2] = 0;
913 p->tex = tex_smoke[rand()&7];
914 p->orientation = PARTICLE_BILLBOARD;
922 p->tex = tex_smoke[rand()&7];
923 p->orientation = PARTICLE_BILLBOARD;
930 default: // CONTENTS_SOLID and any others
931 TraceLine(p->oldorg, p->org, v, normal, 0);
932 VectorCopy(v, p->org);
933 p->tex = tex_smoke[rand()&7];
934 p->orientation = PARTICLE_BILLBOARD;
946 a = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
947 if (a != CONTENTS_EMPTY)
949 if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
952 p->scalex += frametime * 32.0f;
953 p->scaley += frametime * 32.0f;
954 p->alpha -= frametime * 128.0f;
955 p->vel[2] += gravity * 0.125f;
966 p->vel[2] -= gravity * 0.5;
969 p->alpha -= frametime * p->time2;
970 p->vel[2] -= gravity;
973 else if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents != CONTENTS_EMPTY)
974 p->type = pt_underwaterspark;
976 case pt_underwaterspark:
977 if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
979 p->tex = tex_smoke[rand()&7];
980 p->orientation = PARTICLE_BILLBOARD;
981 p->color[0] = p->color[1] = p->color[2] = 255;
984 p->type = pt_explosionsplash;
987 p->vel[2] += gravity * 0.5f;
988 p->alpha -= frametime * p->time2;
992 case pt_explosionsplash:
993 if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
994 p->vel[2] -= gravity;
997 p->scalex += frametime * 64.0f;
998 p->scaley += frametime * 64.0f;
999 p->alpha -= frametime * 1024.0f;
1004 p->alpha -= frametime * 512;
1009 a = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1010 if (a != CONTENTS_WATER && a != CONTENTS_SLIME)
1012 p->tex = tex_smoke[rand()&7];
1013 p->orientation = PARTICLE_BILLBOARD;
1014 p->type = pt_splashpuff;
1017 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1020 p->vel[2] += gravity * 0.25;
1021 p->vel[0] *= (1 - (frametime * 0.0625));
1022 p->vel[1] *= (1 - (frametime * 0.0625));
1023 p->vel[2] *= (1 - (frametime * 0.0625));
1024 if (cl.time > p->time2)
1026 p->time2 = cl.time + lhrandom(0, 0.5);
1027 p->vel[0] += lhrandom(-32,32);
1028 p->vel[1] += lhrandom(-32,32);
1029 p->vel[2] += lhrandom(-32,32);
1031 p->alpha -= frametime * 256;
1035 case pt_bulletsmoke:
1036 p->scalex += frametime * 16;
1037 p->scaley += frametime * 16;
1038 p->alpha -= frametime * 1024;
1039 p->vel[2] += gravity * 0.1;
1044 p->scalex += frametime * 24;
1045 p->scaley += frametime * 24;
1046 p->alpha -= frametime * 256;
1047 p->vel[2] += gravity * 0.1;
1052 p->scalex += frametime * 48;
1053 p->scaley += frametime * 48;
1054 p->alpha -= frametime * 512;
1055 p->vel[2] += gravity * 0.05;
1060 p->alpha -= frametime * 1024;
1066 b = Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents;
1067 VectorCopy(p->oldorg, o);
1071 f = TraceLine(o, p->org, v, normal, a);
1072 b = traceline_endcontents;
1073 if (f < 1 && b != CONTENTS_EMPTY && b != CONTENTS_SKY)
1077 p->die = cl.time + 1000;
1078 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1079 VectorCopy(v, p->org);
1083 case CONTENTS_SLIME:
1084 p->tex = tex_smoke[rand()&7];
1085 p->orientation = PARTICLE_BILLBOARD;
1091 default: // water, solid, and anything else
1092 p->tex = tex_rainsplash[0];
1093 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1095 VectorCopy(normal, p->vel2);
1096 // VectorAdd(p->org, normal, p->org);
1097 p->type = pt_raindropsplash;
1107 case pt_raindropsplash:
1108 p->time2 += frametime * 64.0f;
1109 if (p->time2 >= 16.0f)
1114 p->tex = tex_rainsplash[(int) p->time2];
1115 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1119 p->alpha -= frametime * 512;
1120 p->vel[2] += gravity;
1130 printf("unknown particle type %i\n", p->type);
1135 // LordHavoc: immediate removal of unnecessary particles (must be done to ensure compactor below operates properly in all cases)
1136 if (p->die < cl.time)
1137 freeparticles[j++] = p;
1143 pressureused = true;
1145 // build renderparticle for renderer to use
1146 r->orientation = p->orientation;
1147 r->dir[0] = p->vel2[0];
1148 r->dir[1] = p->vel2[1];
1149 r->dir[2] = p->vel2[2];
1150 r->org[0] = p->org[0];
1151 r->org[1] = p->org[1];
1152 r->org[2] = p->org[2];
1154 r->scalex = p->scalex * 0.5f * cl_particles_size.value;
1155 r->scaley = p->scaley * 0.5f * cl_particles_size.value;
1156 r->dynlight = p->dynlight;
1157 r->color[0] = p->color[0] * (1.0f / 255.0f);
1158 r->color[1] = p->color[1] * (1.0f / 255.0f);
1159 r->color[2] = p->color[2] * (1.0f / 255.0f);
1160 r->color[3] = p->alpha * (1.0f / 255.0f);
1164 r_refdef.numparticles = r - r_refdef.particles;
1165 // fill in gaps to compact the array
1167 while (maxparticle >= activeparticles)
1169 *freeparticles[i++] = particles[maxparticle--];
1170 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1173 cl_numparticles = activeparticles;
1177 activeparticles = 0;
1178 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1180 freeparticles[activeparticles++] = p;
1182 if (activeparticles)
1184 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1186 for (j = 0;j < activeparticles;j++)
1188 if (freeparticles[j] != p)
1190 float dist, diff[3];
1191 VectorSubtract(p->org, freeparticles[j]->org, diff);
1192 dist = DotProduct(diff, diff);
1193 if (dist < 4096 && dist >= 1)
1195 dist = freeparticles[j]->scalex * 4.0f * frametime / sqrt(dist);
1196 VectorMA(p->vel, dist, diff, p->vel);
1197 //dist = freeparticles[j]->scalex * 4.0f * frametime / dist;
1198 //VectorMA(p->vel, dist, freeparticles[j]->vel, p->vel);