cl_particles.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   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.
   8
   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.
  12
  13 See the GNU General Public License for more details.
  14
  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.
  18
  19 */
  20
  21 #include "quakedef.h"
  22
  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
  25
  26 typedef enum
  27 {
  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
  29 }
  30 ptype_t;
  31
  32 typedef struct particle_s
  33 {
  34         ptype_t         type;
  35         int                     orientation; // typically PARTICLE_BILLBOARD
  36         vec3_t          org;
  37         vec3_t          vel;
  38         int                     additive;
  39         int                     tex;
  40         float           die;
  41         float           scalex;
  42         float           scaley;
  43         float           alpha; // 0-255
  44         float           time2; // used for various things (snow fluttering, for example)
  45         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          oldorg;
  47         vec3_t          vel2; // used for snow fluttering (base velocity, wind for instance)
  48         float           friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
  49         float           pressure; // if non-zero, apply pressure to other particles
  50         int                     dynlight; // if set the particle will be dynamically lit (if cl_dynamicparticles is on), used for smoke and blood
  51         qbyte           color[4];
  52 }
  53 particle_t;
  54
  55 static int particlepalette[256] =
  56 {
  57         0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
  58         0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
  59         0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
  60         0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
  61         0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
  62         0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
  63         0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
  64         0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
  65         0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
  66         0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
  67         0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
  68         0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
  69         0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
  70         0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
  71         0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
  72         0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
  73         0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
  74         0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
  75         0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
  76         0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
  77         0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
  78         0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
  79         0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
  80         0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
  81         0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
  82         0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
  83         0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
  84         0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
  85         0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
  86         0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
  87         0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
  88         0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
  89 };
  90
  91 static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
  92 //static int explounderwatersparkramp[8] = {0x00074b, 0x000f6f, 0x071f93, 0x0f33b7, 0x2b63cf, 0x4f97e3, 0xb5e7ff, 0xffffff};
  93
  94 // these must match r_part.c's textures
  95 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
  96 static const int tex_rainsplash[16] = {8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
  97 static const int tex_particle = 24;
  98 static const int tex_rain = 25;
  99 static const int tex_bubble = 26;
 100 static const int tex_rocketglow = 27;
 101
 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;
 107
 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_blood_size_min = {CVAR_SAVE, "cl_particles_blood_size_min", "3"};
 113 static cvar_t cl_particles_blood_size_max = {CVAR_SAVE, "cl_particles_blood_size_max", "15"};
 114 static cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "1"};
 115 static cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
 116 static cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
 117 static cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
 118 static cvar_t cl_particles_explosions = {CVAR_SAVE, "cl_particles_explosions", "0"};
 119
 120 static mempool_t *cl_part_mempool;
 121
 122 void CL_Particles_Clear(void)
 123 {
 124         cl_numparticles = 0;
 125 }
 126
 127 /*
 128 ===============
 129 CL_InitParticles
 130 ===============
 131 */
 132 void CL_ReadPointFile_f (void);
 133 void CL_Particles_Init (void)
 134 {
 135         int             i;
 136
 137         i = COM_CheckParm ("-particles");
 138
 139         if (i)
 140         {
 141                 cl_maxparticles = (int)(atoi(com_argv[i+1]));
 142                 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
 143                         cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
 144         }
 145         else
 146                 cl_maxparticles = MAX_PARTICLES;
 147
 148         Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
 149
 150         Cvar_RegisterVariable (&cl_particles);
 151         Cvar_RegisterVariable (&cl_particles_size);
 152         Cvar_RegisterVariable (&cl_particles_bloodshowers);
 153         Cvar_RegisterVariable (&cl_particles_blood);
 154         Cvar_RegisterVariable (&cl_particles_blood_size_min);
 155         Cvar_RegisterVariable (&cl_particles_blood_size_max);
 156         Cvar_RegisterVariable (&cl_particles_blood_alpha);
 157         Cvar_RegisterVariable (&cl_particles_smoke);
 158         Cvar_RegisterVariable (&cl_particles_sparks);
 159         Cvar_RegisterVariable (&cl_particles_bubbles);
 160         Cvar_RegisterVariable (&cl_particles_explosions);
 161
 162         cl_part_mempool = Mem_AllocPool("CL_Part");
 163         particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
 164         freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
 165         cl_numparticles = 0;
 166
 167         // FIXME: r_refdef stuff should be allocated somewhere else?
 168         r_refdef.particles = cl_renderparticles = Mem_Alloc(cl_refdef_mempool, cl_maxparticles * sizeof(renderparticle_t));
 169 }
 170
 171 #define particle(ptype, porientation, pcolor, ptex, plight, padditive, pscalex, pscaley, palpha, ptime, pbounce, px, py, pz, pvx, pvy, pvz, ptime2, pvx2, pvy2, pvz2, pfriction, ppressure)\
 172 {\
 173         particle_t      *part;\
 174         int tempcolor;\
 175         if (cl_numparticles >= cl_maxparticles)\
 176                 return;\
 177         part = &particles[cl_numparticles++];\
 178         part->type = (ptype);\
 179         tempcolor = (pcolor);\
 180         part->color[0] = ((tempcolor) >> 16) & 0xFF;\
 181         part->color[1] = ((tempcolor) >> 8) & 0xFF;\
 182         part->color[2] = (tempcolor) & 0xFF;\
 183         part->color[3] = 0xFF;\
 184         part->tex = (ptex);\
 185         part->orientation = (porientation);\
 186         part->dynlight = (plight);\
 187         part->additive = (padditive);\
 188         part->scalex = (pscalex);\
 189         part->scaley = (pscaley);\
 190         part->alpha = (palpha);\
 191         part->die = cl.time + (ptime);\
 192         part->bounce = (pbounce);\
 193         part->org[0] = (px);\
 194         part->org[1] = (py);\
 195         part->org[2] = (pz);\
 196         part->vel[0] = (pvx);\
 197         part->vel[1] = (pvy);\
 198         part->vel[2] = (pvz);\
 199         part->time2 = (ptime2);\
 200         part->vel2[0] = (pvx2);\
 201         part->vel2[1] = (pvy2);\
 202         part->vel2[2] = (pvz2);\
 203         part->friction = (pfriction);\
 204         part->pressure = (ppressure);\
 205 }
 206
 207 /*
 208 ===============
 209 CL_EntityParticles
 210 ===============
 211 */
 212 void CL_EntityParticles (entity_t *ent)
 213 {
 214         int                     i;
 215         float           angle;
 216         float           sp, sy, cp, cy;
 217         vec3_t          forward;
 218         float           dist;
 219         float           beamlength;
 220         static vec3_t avelocities[NUMVERTEXNORMALS];
 221         if (!cl_particles.integer) return;
 222
 223         dist = 64;
 224         beamlength = 16;
 225
 226         if (!avelocities[0][0])
 227                 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
 228                         avelocities[0][i] = (rand()&255) * 0.01;
 229
 230         for (i=0 ; i<NUMVERTEXNORMALS ; i++)
 231         {
 232                 angle = cl.time * avelocities[i][0];
 233                 sy = sin(angle);
 234                 cy = cos(angle);
 235                 angle = cl.time * avelocities[i][1];
 236                 sp = sin(angle);
 237                 cp = cos(angle);
 238
 239                 forward[0] = cp*cy;
 240                 forward[1] = cp*sy;
 241                 forward[2] = -sp;
 242
 243                 particle(pt_oneframe, PARTICLE_BILLBOARD, 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);
 244         }
 245 }
 246
 247
 248 void CL_ReadPointFile_f (void)
 249 {
 250         vec3_t  org;
 251         int             r, c;
 252         char    *pointfile, *pointfilepos, *t, tchar;
 253
 254         pointfile = COM_LoadFile(va("maps/%s.pts", sv.name), true);
 255         if (!pointfile)
 256         {
 257                 Con_Printf ("couldn't open %s.pts\n", sv.name);
 258                 return;
 259         }
 260
 261         Con_Printf ("Reading %s.pts...\n", sv.name);
 262         c = 0;
 263         pointfilepos = pointfile;
 264         while (*pointfilepos)
 265         {
 266                 while (*pointfilepos == '\n' || *pointfilepos == '\r')
 267                         pointfilepos++;
 268                 if (!*pointfilepos)
 269                         break;
 270                 t = pointfilepos;
 271                 while (*t && *t != '\n' && *t != '\r')
 272                         t++;
 273                 tchar = *t;
 274                 *t = 0;
 275                 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
 276                 *t = tchar;
 277                 pointfilepos = t;
 278                 if (r != 3)
 279                         break;
 280                 c++;
 281
 282                 if (cl_numparticles >= cl_maxparticles)
 283                 {
 284                         Con_Printf ("Not enough free particles\n");
 285                         break;
 286                 }
 287                 particle(pt_static, PARTICLE_BILLBOARD, 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);
 288         }
 289
 290         Mem_Free(pointfile);
 291         Con_Printf ("%i points read\n", c);
 292 }
 293
 294 /*
 295 ===============
 296 CL_ParseParticleEffect
 297
 298 Parse an effect out of the server message
 299 ===============
 300 */
 301 void CL_ParseParticleEffect (void)
 302 {
 303         vec3_t          org, dir;
 304         int                     i, count, msgcount, color;
 305
 306         for (i=0 ; i<3 ; i++)
 307                 org[i] = MSG_ReadCoord ();
 308         for (i=0 ; i<3 ; i++)
 309                 dir[i] = MSG_ReadChar () * (1.0/16);
 310         msgcount = MSG_ReadByte ();
 311         color = MSG_ReadByte ();
 312
 313         if (msgcount == 255)
 314                 count = 1024;
 315         else
 316                 count = msgcount;
 317
 318         CL_RunParticleEffect (org, dir, color, count);
 319 }
 320
 321 /*
 322 ===============
 323 CL_ParticleExplosion
 324
 325 ===============
 326 */
 327 void CL_ParticleExplosion (vec3_t org, int smoke)
 328 {
 329         R_Stain(org, 96, 80, 80, 80, 128, 176, 176, 176, 128);
 330         if (cl_particles.integer && cl_particles_explosions.integer)
 331         {
 332                 int i, j;
 333                 float f;
 334                 vec3_t v, end, ang;
 335                 qbyte noise1[32*32], noise2[32*32];
 336
 337                 VectorClear(end); // hush MSVC
 338                 i = Mod_PointInLeaf(org, cl.worldmodel)->contents;
 339                 if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
 340                 {
 341                         for (i = 0;i < 128;i++)
 342                                 particle(pt_bubble, PARTICLE_BILLBOARD, 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);
 343
 344                         ang[2] = lhrandom(0, 360);
 345                         fractalnoisequick(noise1, 32, 4);
 346                         fractalnoisequick(noise2, 32, 8);
 347                         for (i = 0;i < 32;i++)
 348                         {
 349                                 for (j = 0;j < 32;j++)
 350                                 {
 351                                         VectorRandom(v);
 352                                         VectorMA(org, 16, v, v);
 353                                         TraceLine(org, v, end, NULL, 0, true);
 354                                         ang[0] = (j + 0.5f) * (360.0f / 32.0f);
 355                                         ang[1] = (i + 0.5f) * (360.0f / 32.0f);
 356                                         AngleVectors(ang, v, NULL, NULL);
 357                                         f = noise1[j*32+i] * 1.5f;
 358                                         VectorScale(v, f, v);
 359                                         particle(pt_underwaterspark, PARTICLE_BILLBOARD, noise2[j*32+i] * 0x010101, 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);
 360                                         VectorScale(v, 0.75, v);
 361                                         particle(pt_underwaterspark, PARTICLE_BILLBOARD, explosparkramp[(noise2[j*32+i] >> 5)], 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);
 362                                 }
 363                         }
 364                 }
 365                 else
 366                 {
 367                         ang[2] = lhrandom(0, 360);
 368                         fractalnoisequick(noise1, 32, 4);
 369                         fractalnoisequick(noise2, 32, 8);
 370                         for (i = 0;i < 32;i++)
 371                         {
 372                                 for (j = 0;j < 32;j++)
 373                                 {
 374                                         VectorRandom(v);
 375                                         VectorMA(org, 16, v, v);
 376                                         TraceLine(org, v, end, NULL, 0, true);
 377                                         ang[0] = (j + 0.5f) * (360.0f / 32.0f);
 378                                         ang[1] = (i + 0.5f) * (360.0f / 32.0f);
 379                                         AngleVectors(ang, v, NULL, NULL);
 380                                         f = noise1[j*32+i] * 1.5f;
 381                                         VectorScale(v, f, v);
 382                                         particle(pt_spark, PARTICLE_BILLBOARD, noise2[j*32+i] * 0x010101, 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);
 383                                         VectorScale(v, 0.75, v);
 384                                         particle(pt_spark, PARTICLE_BILLBOARD, explosparkramp[(noise2[j*32+i] >> 5)], 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);
 385                                 //      VectorRandom(v);
 386                                 //      VectorScale(v, 384, v);
 387                                 //      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);
 388                                 }
 389                         }
 390                 }
 391         }
 392         else
 393         {
 394                 /*
 395                 int i;
 396                 vec3_t v;
 397                 for (i = 0;i < 256;i++)
 398                 {
 399                         do
 400                         {
 401                                 VectorRandom(v);
 402                         }
 403                         while(DotProduct(v,v) < 0.75);
 404                         VectorScale(v, 512, v);
 405                         particle(pt_spark, PARTICLE_BILLBOARD, explosparkramp[rand()&7], 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);
 406                 }
 407                 */
 408                 R_NewExplosion(org);
 409         }
 410 }
 411
 412 /*
 413 ===============
 414 CL_ParticleExplosion2
 415
 416 ===============
 417 */
 418 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
 419 {
 420         int                     i;
 421         if (!cl_particles.integer) return;
 422
 423         for (i = 0;i < 512;i++)
 424                 particle(pt_fade, PARTICLE_BILLBOARD, particlepalette[colorStart + (i % colorLength)], 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);
 425 }
 426
 427 /*
 428 ===============
 429 CL_BlobExplosion
 430
 431 ===============
 432 */
 433 void CL_BlobExplosion (vec3_t org)
 434 {
 435         //int i;
 436         if (!cl_particles.integer) return;
 437
 438         R_Stain(org, 96, 80, 80, 80, 128, 176, 176, 176, 128);
 439         //R_Stain(org, 96, 96, 64, 96, 128, 160, 128, 160, 128);
 440
 441         R_NewExplosion(org);
 442
 443         //for (i = 0;i < 256;i++)
 444         //      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);
 445         //for (i = 0;i < 256;i++)
 446         //      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);
 447 }
 448
 449 /*
 450 ===============
 451 CL_RunParticleEffect
 452
 453 ===============
 454 */
 455 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
 456 {
 457         if (!cl_particles.integer) return;
 458
 459         if (count == 1024)
 460         {
 461                 CL_ParticleExplosion(org, false);
 462                 return;
 463         }
 464         while (count--)
 465                 particle(pt_fade, PARTICLE_BILLBOARD, particlepalette[color + (rand()&7)], 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);
 466 }
 467
 468 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
 469 /*
 470 ===============
 471 CL_SparkShower
 472 ===============
 473 */
 474 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
 475 {
 476         if (!cl_particles.integer) return;
 477
 478         R_Stain(org, 32, 96, 96, 96, 32, 128, 128, 128, 32);
 479
 480         // smoke puff
 481         if (cl_particles_smoke.integer)
 482                 particle(pt_bulletsmoke, PARTICLE_BILLBOARD, 0xFFFFFF /*0xA0A0A0*/, 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);
 483
 484         if (cl_particles_sparks.integer)
 485         {
 486                 // sparks
 487                 while(count--)
 488                         particle(pt_spark, PARTICLE_BILLBOARD, particlepalette[0x68 + (rand() & 7)], 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);
 489         }
 490 }
 491
 492 void CL_PlasmaBurn (vec3_t org)
 493 {
 494         if (!cl_particles.integer) return;
 495
 496         R_Stain(org, 48, 96, 96, 96, 48, 128, 128, 128, 48);
 497 }
 498
 499 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
 500 {
 501         float r, s;
 502         // bloodcount is used to accumulate counts too small to cause a blood particle
 503         static int bloodcount = 0;
 504         if (!cl_particles.integer) return;
 505         if (!cl_particles_blood.integer) return;
 506
 507         s = count + 32.0f;
 508         count *= 5.0f;
 509         if (count > 1000)
 510                 count = 1000;
 511         bloodcount += count;
 512         while(bloodcount > 0)
 513         {
 514                 r = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
 515                 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, 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);
 516                 bloodcount -= r;
 517         }
 518 }
 519
 520 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
 521 {
 522         float c;
 523         float r;
 524         vec3_t diff, center, velscale;
 525         if (!cl_particles.integer) return;
 526         if (!cl_particles_bloodshowers.integer) return;
 527         if (!cl_particles_blood.integer) return;
 528
 529         VectorSubtract(maxs, mins, diff);
 530         center[0] = (mins[0] + maxs[0]) * 0.5;
 531         center[1] = (mins[1] + maxs[1]) * 0.5;
 532         center[2] = (mins[2] + maxs[2]) * 0.5;
 533         // FIXME: change velspeed back to 2.0x after fixing mod
 534         velscale[0] = velspeed * 2.0 / diff[0];
 535         velscale[1] = velspeed * 2.0 / diff[1];
 536         velscale[2] = velspeed * 2.0 / diff[2];
 537
 538         c = count * 5;
 539         while (c > 0)
 540         {
 541                 vec3_t org, vel;
 542                 org[0] = lhrandom(mins[0], maxs[0]);
 543                 org[1] = lhrandom(mins[1], maxs[1]);
 544                 org[2] = lhrandom(mins[2], maxs[2]);
 545                 vel[0] = (org[0] - center[0]) * velscale[0];
 546                 vel[1] = (org[1] - center[1]) * velscale[1];
 547                 vel[2] = (org[2] - center[2]) * velscale[2];
 548                 r = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
 549                 c -= r;
 550                 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, 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);
 551         }
 552 }
 553
 554 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
 555 {
 556         float t;
 557         if (!cl_particles.integer) return;
 558         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 559         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 560         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 561
 562         while (count--)
 563                 particle(gravity ? pt_grav : pt_static, PARTICLE_BILLBOARD, particlepalette[colorbase + (rand()&3)], 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);
 564 }
 565
 566 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
 567 {
 568         vec3_t vel;
 569         float t, z;
 570         if (!cl_particles.integer) return;
 571         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 572         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 573         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 574         if (dir[2] < 0) // falling
 575         {
 576                 t = (maxs[2] - mins[2]) / -dir[2];
 577                 z = maxs[2];
 578         }
 579         else // rising??
 580         {
 581                 t = (maxs[2] - mins[2]) / dir[2];
 582                 z = mins[2];
 583         }
 584         if (t < 0 || t > 2) // sanity check
 585                 t = 2;
 586
 587         switch(type)
 588         {
 589         case 0:
 590                 count *= 4; // ick, this should be in the mod or maps?
 591
 592                 while(count--)
 593                 {
 594                         vel[0] = dir[0] + lhrandom(-16, 16);
 595                         vel[1] = dir[1] + lhrandom(-16, 16);
 596                         vel[2] = dir[2] + lhrandom(-32, 32);
 597                         particle(pt_rain, PARTICLE_UPRIGHT_FACING, particlepalette[colorbase + (rand()&3)], 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);
 598                 }
 599                 break;
 600         case 1:
 601                 while(count--)
 602                 {
 603                         vel[0] = dir[0] + lhrandom(-16, 16);
 604                         vel[1] = dir[1] + lhrandom(-16, 16);
 605                         vel[2] = dir[2] + lhrandom(-32, 32);
 606                         particle(pt_snow, PARTICLE_BILLBOARD, particlepalette[colorbase + (rand()&3)], 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);
 607                 }
 608                 break;
 609         default:
 610                 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
 611         }
 612 }
 613
 614 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
 615 {
 616         float t;
 617         if (!cl_particles.integer) return;
 618         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 619         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 620         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 621
 622         while (count--)
 623                 particle(pt_flame, PARTICLE_BILLBOARD, particlepalette[224 + (rand()&15)], tex_particle, false, true, 8, 8, 255, 9999, 1.1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), lhrandom(-32, 32), lhrandom(-32, 32), lhrandom(-32, 64), 0, 0, 0, 0, 1, 0);
 624 }
 625
 626 void CL_Flames (vec3_t org, vec3_t vel, int count)
 627 {
 628         if (!cl_particles.integer) return;
 629
 630         while (count--)
 631                 particle(pt_flame, PARTICLE_BILLBOARD, particlepalette[224 + (rand()&15)], tex_particle, false, true, 8, 8, 255, 9999, 1.1, org[0], org[1], org[2], vel[0] + lhrandom(-128, 128), vel[1] + lhrandom(-128, 128), vel[2] + lhrandom(-128, 128), 0, 0, 0, 0, 1, 0);
 632 }
 633
 634
 635
 636 /*
 637 ===============
 638 CL_LavaSplash
 639
 640 ===============
 641 */
 642 void CL_LavaSplash (vec3_t origin)
 643 {
 644         int                     i, j;
 645         float           vel;
 646         vec3_t          dir, org;
 647         if (!cl_particles.integer) return;
 648
 649         for (i=-128 ; i<128 ; i+=16)
 650         {
 651                 for (j=-128 ; j<128 ; j+=16)
 652                 {
 653                         dir[0] = j + lhrandom(0, 8);
 654                         dir[1] = i + lhrandom(0, 8);
 655                         dir[2] = 256;
 656                         org[0] = origin[0] + dir[0];
 657                         org[1] = origin[1] + dir[1];
 658                         org[2] = origin[2] + lhrandom(0, 64);
 659                         vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
 660                         particle(pt_lavasplash, PARTICLE_BILLBOARD, particlepalette[224 + (rand()&7)], 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);
 661                 }
 662         }
 663 }
 664
 665 /*
 666 ===============
 667 CL_TeleportSplash
 668
 669 ===============
 670 */
 671 void CL_TeleportSplash (vec3_t org)
 672 {
 673         int                     i, j, k;
 674         if (!cl_particles.integer) return;
 675
 676         for (i=-16 ; i<16 ; i+=8)
 677                 for (j=-16 ; j<16 ; j+=8)
 678                         for (k=-24 ; k<32 ; k+=8)
 679                                 //particle(pt_fade, PARTICLE_BILLBOARD, 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);
 680                                 particle(pt_fade, PARTICLE_BILLBOARD, 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);
 681 }
 682
 683 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
 684 {
 685         vec3_t          vec, dir, vel, pos;
 686         float           len, dec, speed;
 687         int                     contents, bubbles/*, c*/;
 688         if (!cl_particles.integer) return;
 689
 690         VectorSubtract(end, start, dir);
 691         VectorNormalize(dir);
 692
 693         //if (type == 0 && host_frametime != 0) // rocket glow
 694         //      particle(pt_oneframe, PARTICLE_BILLBOARD, 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);
 695
 696         VectorSubtract (end, start, vec);
 697         len = VectorNormalizeLength (vec);
 698         dec = -ent->persistent.trail_time;
 699         ent->persistent.trail_time += len;
 700         if (ent->persistent.trail_time < 0.01f)
 701                 return;
 702
 703         speed = 1.0f / (ent->state_current.time - ent->state_previous.time);
 704         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, vel);
 705         VectorScale(vel, speed, vel);
 706
 707         // advance into this frame to reach the first puff location
 708         VectorMA(start, dec, vec, pos);
 709         len -= dec;
 710
 711         // if we skip out, leave it reset
 712         ent->persistent.trail_time = 0.0f;
 713
 714         contents = Mod_PointInLeaf(pos, cl.worldmodel)->contents;
 715         if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
 716                 return;
 717
 718         bubbles = (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
 719
 720         while (len >= 0)
 721         {
 722                 switch (type)
 723                 {
 724                         case 0: // rocket trail
 725                                 if (!cl_particles_smoke.integer)
 726                                         return;
 727                                 //dec = 5;
 728                                 //particle(pt_fade, PARTICLE_BILLBOARD, 0x707070, 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);
 729                                 dec = 6;
 730                                 particle(pt_fade, PARTICLE_BILLBOARD, 0x404040, tex_smoke[rand()&7], true, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 256.0f, 0, 0, 0, 0, 0);
 731                                 //particle(pt_fade, PARTICLE_BILLBOARD, 0x707070, 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);
 732                                 //dec = 10;
 733                                 //particle(pt_smoke, PARTICLE_BILLBOARD, 0x707070, 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);
 734                                 if (bubbles && cl_particles_bubbles.integer)
 735                                 {
 736                                         particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, 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);
 737                                         //particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, 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);
 738                                 }
 739                                 else
 740                                 {
 741                                         //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);
 742                                         //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);
 743                                         //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);
 744                                         //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);
 745                                         //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);
 746                                         //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);
 747                                 }
 748                                 break;
 749
 750                         case 1: // grenade trail
 751                                 // FIXME: make it gradually stop smoking
 752                                 if (!cl_particles_smoke.integer)
 753                                         return;
 754                                 //dec = 5;
 755                                 //particle(pt_fade, PARTICLE_BILLBOARD, 0x707070, 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);
 756                                 dec = 6;
 757                                 particle(pt_fade, PARTICLE_BILLBOARD, 0x404040, tex_smoke[rand()&7], true, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 256.0f, 0, 0, 0, 0, 0);
 758                                 //particle(pt_smoke, PARTICLE_BILLBOARD, 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);
 759                                 if (bubbles && cl_particles_bubbles.integer)
 760                                 {
 761                                         particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, 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);
 762                                         //particle(pt_bubble, PARTICLE_BILLBOARD, 0xFFFFFF, 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);
 763                                 }
 764                                 break;
 765
 766
 767                         case 2: // blood
 768                                 if (!cl_particles_blood.integer)
 769                                         return;
 770                                 dec = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
 771                                 //particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, 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] + lhrandom(-64, 64), vel[1] + lhrandom(-64, 64), vel[2] + lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
 772                                 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, 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);
 773                                 //c = ((rand() & 15) + 16) << 16;
 774                                 //particle(pt_blood, PARTICLE_BILLBOARD, c, 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);
 775                                 break;
 776
 777                         case 4: // slight blood
 778                                 if (!cl_particles_blood.integer)
 779                                         return;
 780                                 dec = lhrandom(cl_particles_blood_size_min.value, cl_particles_blood_size_max.value);
 781                                 //particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, tex_smoke[rand()&7], true, false, dec, dec, cl_particles_blood_alpha.value * 128.0f, 9999, -1, pos[0], pos[1], pos[2], vel[0] + lhrandom(-64, 64), vel[1] + lhrandom(-64, 64), vel[2] + lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
 782                                 particle(pt_blood, PARTICLE_BILLBOARD, 0x300000, 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);
 783                                 //c = ((rand() & 15) + 16) << 16;
 784                                 //particle(pt_blood, PARTICLE_BILLBOARD, c, 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);
 785                                 break;
 786
 787                         case 3: // green tracer
 788                                 dec = 6;
 789                                 //particle(pt_fade, PARTICLE_BILLBOARD, 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);
 790                                 particle(pt_fade, PARTICLE_BILLBOARD, 0x373707, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 384.0f, 0, 0, 0, 0, 0);
 791                                 break;
 792
 793                         case 5: // flame tracer
 794                                 dec = 6;
 795                                 //particle(pt_fade, PARTICLE_BILLBOARD, 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);
 796                                 particle(pt_fade, PARTICLE_BILLBOARD, 0xCF632B, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 384.0f, 0, 0, 0, 0, 0);
 797                                 break;
 798
 799                         case 6: // voor trail
 800                                 dec = 6;
 801                                 //particle(pt_fade, PARTICLE_BILLBOARD, 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);
 802                                 particle(pt_fade, PARTICLE_BILLBOARD, 0x47232B, tex_particle, false, true, dec, dec, 128, 9999, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 384.0f, 0, 0, 0, 0, 0);
 803                                 break;
 804
 805                         case 7: // Nehahra smoke tracer
 806                                 if (!cl_particles_smoke.integer)
 807                                         return;
 808                                 dec = 10;
 809                                 particle(pt_smoke, PARTICLE_BILLBOARD, 0xC0C0C0, 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);
 810                                 break;
 811                 }
 812
 813                 // advance to next time and position
 814                 len -= dec;
 815                 VectorMA (pos, dec, vec, pos);
 816         }
 817         ent->persistent.trail_time = len;
 818 }
 819
 820 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
 821 {
 822         vec3_t          vec, pos;
 823         int                     len;
 824         if (!cl_particles.integer) return;
 825         if (!cl_particles_smoke.integer) return;
 826
 827         VectorCopy(start, pos);
 828         VectorSubtract (end, start, vec);
 829         len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
 830         VectorScale(vec, 3, vec);
 831         color = particlepalette[color];
 832         while (len--)
 833         {
 834                 particle(pt_smoke, PARTICLE_BILLBOARD, 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);
 835                 VectorAdd (pos, vec, pos);
 836         }
 837 }
 838
 839
 840 /*
 841 ===============
 842 CL_MoveParticles
 843 ===============
 844 */
 845 void CL_MoveParticles (void)
 846 {
 847         particle_t *p;
 848         renderparticle_t *r, *rend;
 849         int i, activeparticles, maxparticle, j, a, pressureused = false, content;
 850         float gravity, dvel, frametime, f, dist, normal[3], v[3], org[3];
 851
 852         // LordHavoc: early out condition
 853         if (!cl_numparticles)
 854         {
 855                 r_refdef.numparticles = 0;
 856                 return;
 857         }
 858
 859         frametime = cl.time - cl.oldtime;
 860         if (!frametime)
 861                 return; // if absolutely still, don't update particles
 862         gravity = frametime * sv_gravity.value;
 863         dvel = 1+4*frametime;
 864
 865         activeparticles = 0;
 866         maxparticle = -1;
 867         j = 0;
 868         for (i = 0, p = particles, r = r_refdef.particles, rend = r + cl_maxparticles;i < cl_numparticles;i++, p++)
 869         {
 870                 if (p->die < cl.time)
 871                 {
 872                         freeparticles[j++] = p;
 873                         continue;
 874                 }
 875
 876                 content = 0;
 877                 VectorCopy(p->org, p->oldorg);
 878                 VectorMA(p->org, frametime, p->vel, p->org);
 879                 VectorCopy(p->org, org);
 880                 if (p->bounce)
 881                 {
 882                         if (TraceLine(p->oldorg, p->org, v, normal, 0, true) < 1)
 883                         {
 884                                 VectorCopy(v, p->org);
 885                                 if (p->bounce < 0)
 886                                 {
 887                                         // assume it's blood (lame, but...)
 888                                         R_Stain(v, 48, 64, 24, 24, p->alpha * p->scalex * p->scaley * (1.0f / 2048.0f), 192, 48, 48, p->alpha * p->scalex * p->scaley * (1.0f / 2048.0f));
 889                                         p->die = -1;
 890                                         freeparticles[j++] = p;
 891                                         continue;
 892                                 }
 893                                 else
 894                                 {
 895                                         dist = DotProduct(p->vel, normal) * -p->bounce;
 896                                         VectorMA(p->vel, dist, normal, p->vel);
 897                                         if (DotProduct(p->vel, p->vel) < 0.03)
 898                                                 VectorClear(p->vel);
 899                                 }
 900                         }
 901                 }
 902                 if (p->friction)
 903                 {
 904                         f = p->friction * frametime;
 905                         if (!content)
 906                                 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
 907                         if (content != CONTENTS_EMPTY)
 908                                 f *= 4;
 909                         f = 1.0f - f;
 910                         VectorScale(p->vel, f, p->vel);
 911                 }
 912
 913                 switch (p->type)
 914                 {
 915                 case pt_static:
 916                         break;
 917
 918                         // LordHavoc: drop-through because of shared code
 919                 case pt_blob:
 920                         p->vel[2] *= dvel;
 921                 case pt_blob2:
 922                         p->vel[0] *= dvel;
 923                         p->vel[1] *= dvel;
 924                         p->alpha -= frametime * 256;
 925                         if (p->alpha < 1)
 926                                 p->die = -1;
 927                         break;
 928
 929                 case pt_grav:
 930                         p->vel[2] -= gravity;
 931                         break;
 932                 case pt_lavasplash:
 933                         p->vel[2] -= gravity * 0.05;
 934                         p->alpha -= frametime * 192;
 935                         if (p->alpha < 1)
 936                                 p->die = -1;
 937                         break;
 938                 case pt_snow:
 939                         if (cl.time > p->time2)
 940                         {
 941                                 p->time2 = cl.time + (rand() & 3) * 0.1;
 942                                 p->vel[0] = (rand()&63)-32 + p->vel2[0];
 943                                 p->vel[1] = (rand()&63)-32 + p->vel2[1];
 944                                 p->vel[2] = (rand()&63)-32 + p->vel2[2];
 945                         }
 946                         if (!content)
 947                                 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
 948                         a = content;
 949                         if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
 950                         {
 951                                 p->die = -1;
 952                                 /*
 953                                 if (a == CONTENTS_SOLID && Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents == CONTENTS_SOLID)
 954                                         break; // still in solid
 955                                 p->die = cl.time + 1000;
 956                                 p->vel[0] = p->vel[1] = p->vel[2] = 0;
 957                                 switch (a)
 958                                 {
 959                                 case CONTENTS_LAVA:
 960                                 case CONTENTS_SLIME:
 961                                         p->tex = tex_smoke[rand()&7];
 962                                         p->orientation = PARTICLE_BILLBOARD;
 963                                         p->type = pt_steam;
 964                                         p->alpha = 96;
 965                                         p->scalex = 5;
 966                                         p->scaley = 5;
 967                                         p->vel[2] = 96;
 968                                         break;
 969                                 case CONTENTS_WATER:
 970                                         p->tex = tex_smoke[rand()&7];
 971                                         p->orientation = PARTICLE_BILLBOARD;
 972                                         p->type = pt_splash;
 973                                         p->alpha = 96;
 974                                         p->scalex = 5;
 975                                         p->scaley = 5;
 976                                         p->vel[2] = 96;
 977                                         break;
 978                                 default: // CONTENTS_SOLID and any others
 979                                         TraceLine(p->oldorg, p->org, v, normal, 0, true);
 980                                         VectorCopy(v, p->org);
 981                                         p->tex = tex_smoke[rand()&7];
 982                                         p->orientation = PARTICLE_BILLBOARD;
 983                                         p->type = pt_fade;
 984                                         p->time2 = 384.0f;
 985                                         p->scalex = 5;
 986                                         p->scaley = 5;
 987                                         VectorClear(p->vel);
 988                                         break;
 989                                 }
 990                                 */
 991                         }
 992                         break;
 993                 case pt_blood:
 994                         p->friction = 1;
 995                         if (!content)
 996                                 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
 997                         a = content;
 998                         if (a != CONTENTS_EMPTY)
 999                         {
1000                                 if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
1001                                 {
1002                                         //p->friction = 5;
1003                                         p->scalex += frametime * (cl_particles_blood_size_min.value + cl_particles_blood_size_max.value);
1004                                         p->scaley += frametime * (cl_particles_blood_size_min.value + cl_particles_blood_size_max.value);
1005                                         p->alpha -= frametime * max(cl_particles_blood_alpha.value, 0.01f) * 128.0f;
1006                                         //p->vel[2] += gravity * 0.25f;
1007                                         if (p->alpha < 1)
1008                                                 p->die = -1;
1009                                 }
1010                                 else
1011                                         p->die = -1;
1012                         }
1013                         else
1014                                 p->vel[2] -= gravity;
1015                         break;
1016                 case pt_spark:
1017                         p->alpha -= frametime * p->time2;
1018                         p->vel[2] -= gravity;
1019                         if (p->alpha < 1)
1020                                 p->die = -1;
1021                         else
1022                         {
1023                                 if (!content)
1024                                         content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1025                                 if (content != CONTENTS_EMPTY)
1026                                         p->die = -1;
1027                         }
1028                         break;
1029                 case pt_explosionsplash:
1030                         if (Mod_PointInLeaf(p->org, cl.worldmodel)->contents == CONTENTS_EMPTY)
1031                                 p->vel[2] -= gravity;
1032                         else
1033                                 p->alpha = 0;
1034                         p->scalex += frametime * 64.0f;
1035                         p->scaley += frametime * 64.0f;
1036                         p->alpha -= frametime * 1024.0f;
1037                         if (p->alpha < 1)
1038                                 p->die = -1;
1039                         break;
1040                 case pt_fade:
1041                         p->alpha -= frametime * p->time2;
1042                         if (p->alpha < 1)
1043                                 p->die = -1;
1044                         break;
1045                 case pt_bubble:
1046                         if (!content)
1047                                 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1048                         if (content != CONTENTS_WATER && content != CONTENTS_SLIME)
1049                         {
1050                                 p->tex = tex_smoke[rand()&7];
1051                                 p->orientation = PARTICLE_BILLBOARD;
1052                                 p->type = pt_splashpuff;
1053                                 p->scalex = 4;
1054                                 p->scaley = 4;
1055                                 p->vel[0] = p->vel[1] = p->vel[2] = 0;
1056                                 break;
1057                         }
1058                         p->vel[0] *= (1 - (frametime * 0.0625));
1059                         p->vel[1] *= (1 - (frametime * 0.0625));
1060                         p->vel[2] = (p->vel[2] + gravity * 0.25) * (1 - (frametime * 0.0625));
1061                         if (cl.time > p->time2)
1062                         {
1063                                 p->time2 = cl.time + lhrandom(0, 0.5);
1064                                 p->vel[0] += lhrandom(-32,32);
1065                                 p->vel[1] += lhrandom(-32,32);
1066                                 p->vel[2] += lhrandom(-32,32);
1067                         }
1068                         p->alpha -= frametime * 256;
1069                         if (p->alpha < 1)
1070                                 p->die = -1;
1071                         break;
1072                 case pt_bulletsmoke:
1073                         p->scalex += frametime * 16;
1074                         p->scaley += frametime * 16;
1075                         p->alpha -= frametime * 1024;
1076                         p->vel[2] += gravity * 0.2;
1077                         if (p->alpha < 1)
1078                                 p->die = -1;
1079                         break;
1080                 case pt_smoke:
1081                         p->scalex += frametime * 16;
1082                         p->scaley += frametime * 16;
1083                         p->alpha -= frametime * 320;
1084                         //p->vel[2] += gravity * 0.2;
1085                         if (p->alpha < 1)
1086                                 p->die = -1;
1087                         break;
1088                 case pt_steam:
1089                         p->scalex += frametime * 48;
1090                         p->scaley += frametime * 48;
1091                         p->alpha -= frametime * 512;
1092                         p->vel[2] += gravity * 0.05;
1093                         if (p->alpha < 1)
1094                                 p->die = -1;
1095                         break;
1096                 case pt_splashpuff:
1097                         p->alpha -= frametime * 1024;
1098                         if (p->alpha < 1)
1099                                 p->die = -1;
1100                         break;
1101                 case pt_rain:
1102                         if (!content)
1103                                 content = Mod_PointInLeaf(p->org, cl.worldmodel)->contents;
1104                         a = content;
1105                         if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1106                                 p->die = -1;
1107                         /*
1108                         f = 0;
1109                         b = Mod_PointInLeaf(p->oldorg, cl.worldmodel)->contents;
1110                         VectorCopy(p->oldorg, o);
1111                         while (f < 1)
1112                         {
1113                                 a = b;
1114                                 f = TraceLine(o, p->org, v, normal, a, true);
1115                                 b = traceline_endcontents;
1116                                 if (f < 1 && b != CONTENTS_EMPTY && b != CONTENTS_SKY)
1117                                 {
1118                                         #if 1
1119                                         p->die = -1;
1120                                         #else
1121                                         p->die = cl.time + 1000;
1122                                         p->vel[0] = p->vel[1] = p->vel[2] = 0;
1123                                         VectorCopy(v, p->org);
1124                                         switch (b)
1125                                         {
1126                                         case CONTENTS_LAVA:
1127                                         case CONTENTS_SLIME:
1128                                                 p->tex = tex_smoke[rand()&7];
1129                                                 p->orientation = PARTICLE_BILLBOARD;
1130                                                 p->type = pt_steam;
1131                                                 p->scalex = 3;
1132                                                 p->scaley = 3;
1133                                                 p->vel[2] = 96;
1134                                                 break;
1135                                         default: // water, solid, and anything else
1136                                                 p->tex = tex_rainsplash[0];
1137                                                 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1138                                                 p->time2 = 0;
1139                                                 VectorCopy(normal, p->vel2);
1140                                         //      VectorAdd(p->org, normal, p->org);
1141                                                 p->type = pt_raindropsplash;
1142                                                 p->scalex = 8;
1143                                                 p->scaley = 8;
1144                                                 break;
1145                                         }
1146                                         #endif
1147                                         break;
1148                                 }
1149                         }
1150                         */
1151                         break;
1152                         /*
1153                 case pt_raindropsplash:
1154                         p->time2 += frametime * 64.0f;
1155                         if (p->time2 >= 16.0f)
1156                         {
1157                                 p->die = -1;
1158                                 break;
1159                         }
1160                         p->tex = tex_rainsplash[(int) p->time2];
1161                         p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1162                         break;
1163                         */
1164                 case pt_flame:
1165                         p->alpha -= frametime * 512;
1166                         p->vel[2] += gravity;
1167                         if (p->alpha < 16)
1168                                 p->die = -1;
1169                         break;
1170                 case pt_oneframe:
1171                         if (p->time2)
1172                                 p->die = -1;
1173                         p->time2 = 1;
1174                         break;
1175                 default:
1176                         printf("unknown particle type %i\n", p->type);
1177                         p->die = -1;
1178                         break;
1179                 }
1180
1181                 // LordHavoc: immediate removal of unnecessary particles (must be done to ensure compactor below operates properly in all cases)
1182                 if (p->die < cl.time)
1183                         freeparticles[j++] = p;
1184                 else
1185                 {
1186                         maxparticle = i;
1187                         activeparticles++;
1188                         if (p->pressure)
1189                                 pressureused = true;
1190
1191                         // build renderparticle for renderer to use
1192                         r->orientation = p->orientation;
1193                         r->additive = p->additive;
1194                         r->dir[0] = p->vel2[0];
1195                         r->dir[1] = p->vel2[1];
1196                         r->dir[2] = p->vel2[2];
1197                         r->org[0] = p->org[0];
1198                         r->org[1] = p->org[1];
1199                         r->org[2] = p->org[2];
1200                         r->tex = p->tex;
1201                         r->scalex = p->scalex * cl_particles_size.value;
1202                         r->scaley = p->scaley * cl_particles_size.value;
1203                         r->dynlight = p->dynlight;
1204                         r->color[0] = p->color[0] * (1.0f / 255.0f);
1205                         r->color[1] = p->color[1] * (1.0f / 255.0f);
1206                         r->color[2] = p->color[2] * (1.0f / 255.0f);
1207                         r->color[3] = p->alpha * (1.0f / 255.0f);
1208                         r++;
1209                 }
1210         }
1211         r_refdef.numparticles = r - r_refdef.particles;
1212         // fill in gaps to compact the array
1213         i = 0;
1214         while (maxparticle >= activeparticles)
1215         {
1216                 *freeparticles[i++] = particles[maxparticle--];
1217                 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1218                         maxparticle--;
1219         }
1220         cl_numparticles = activeparticles;
1221
1222         if (pressureused)
1223         {
1224                 activeparticles = 0;
1225                 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1226                         if (p->pressure)
1227                                 freeparticles[activeparticles++] = p;
1228
1229                 if (activeparticles)
1230                 {
1231                         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1232                         {
1233                                 for (j = 0;j < activeparticles;j++)
1234                                 {
1235                                         if (freeparticles[j] != p)
1236                                         {
1237                                                 float dist, diff[3];
1238                                                 VectorSubtract(p->org, freeparticles[j]->org, diff);
1239                                                 dist = DotProduct(diff, diff);
1240                                                 if (dist < 4096 && dist >= 1)
1241                                                 {
1242                                                         dist = freeparticles[j]->scalex * 4.0f * frametime / sqrt(dist);
1243                                                         VectorMA(p->vel, dist, diff, p->vel);
1244                                                         //dist = freeparticles[j]->scalex * 4.0f * frametime / dist;
1245                                                         //VectorMA(p->vel, dist, freeparticles[j]->vel, p->vel);
1246                                                 }
1247                                         }
1248                                 }
1249                         }
1250                 }
1251         }
1252 }