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 #ifdef WORKINGLQUAKE
  24 #define lhrandom(MIN,MAX) ((rand() & 32767) * (((MAX)-(MIN)) * (1.0f / 32767.0f)) + (MIN))
  25 #define NUMVERTEXNORMALS        162
  26 siextern float r_avertexnormals[NUMVERTEXNORMALS][3];
  27 #define m_bytenormals r_avertexnormals
  28 #define VectorNormalizeFast VectorNormalize
  29 #define Mod_PointContents(v,m) (Mod_PointInLeaf(v,m)->contents)
  30 typedef unsigned char qbyte;
  31 #define cl_stainmaps.integer 0
  32 void R_Stain (vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2)
  33 {
  34 }
  35 #define CL_EntityParticles R_EntityParticles
  36 #define CL_ReadPointFile_f R_ReadPointFile_f
  37 #define CL_ParseParticleEffect R_ParseParticleEffect
  38 #define CL_ParticleExplosion R_ParticleExplosion
  39 #define CL_ParticleExplosion2 R_ParticleExplosion2
  40 #define CL_BlobExplosion R_BlobExplosion
  41 #define CL_RunParticleEffect R_RunParticleEffect
  42 #define CL_LavaSplash R_LavaSplash
  43 #define CL_RocketTrail2 R_RocketTrail2
  44 void R_CalcBeamVerts (float *vert, vec3_t org1, vec3_t org2, float width)
  45 {
  46         vec3_t right1, right2, diff, normal;
  47
  48         VectorSubtract (org2, org1, normal);
  49         VectorNormalizeFast (normal);
  50
  51         // calculate 'right' vector for start
  52         VectorSubtract (r_origin, org1, diff);
  53         VectorNormalizeFast (diff);
  54         CrossProduct (normal, diff, right1);
  55
  56         // calculate 'right' vector for end
  57         VectorSubtract (r_origin, org2, diff);
  58         VectorNormalizeFast (diff);
  59         CrossProduct (normal, diff, right2);
  60
  61         vert[ 0] = org1[0] + width * right1[0];
  62         vert[ 1] = org1[1] + width * right1[1];
  63         vert[ 2] = org1[2] + width * right1[2];
  64         vert[ 4] = org1[0] - width * right1[0];
  65         vert[ 5] = org1[1] - width * right1[1];
  66         vert[ 6] = org1[2] - width * right1[2];
  67         vert[ 8] = org2[0] - width * right2[0];
  68         vert[ 9] = org2[1] - width * right2[1];
  69         vert[10] = org2[2] - width * right2[2];
  70         vert[12] = org2[0] + width * right2[0];
  71         vert[13] = org2[1] + width * right2[1];
  72         vert[14] = org2[2] + width * right2[2];
  73 }
  74 void fractalnoise(qbyte *noise, int size, int startgrid)
  75 {
  76         int x, y, g, g2, amplitude, min, max, size1 = size - 1, sizepower, gridpower;
  77         int *noisebuf;
  78 #define n(x,y) noisebuf[((y)&size1)*size+((x)&size1)]
  79
  80         for (sizepower = 0;(1 << sizepower) < size;sizepower++);
  81         if (size != (1 << sizepower))
  82                 Sys_Error("fractalnoise: size must be power of 2\n");
  83
  84         for (gridpower = 0;(1 << gridpower) < startgrid;gridpower++);
  85         if (startgrid != (1 << gridpower))
  86                 Sys_Error("fractalnoise: grid must be power of 2\n");
  87
  88         startgrid = bound(0, startgrid, size);
  89
  90         amplitude = 0xFFFF; // this gets halved before use
  91         noisebuf = malloc(size*size*sizeof(int));
  92         memset(noisebuf, 0, size*size*sizeof(int));
  93
  94         for (g2 = startgrid;g2;g2 >>= 1)
  95         {
  96                 // brownian motion (at every smaller level there is random behavior)
  97                 amplitude >>= 1;
  98                 for (y = 0;y < size;y += g2)
  99                         for (x = 0;x < size;x += g2)
 100                                 n(x,y) += (rand()&amplitude);
 101
 102                 g = g2 >> 1;
 103                 if (g)
 104                 {
 105                         // subdivide, diamond-square algorithm (really this has little to do with squares)
 106                         // diamond
 107                         for (y = 0;y < size;y += g2)
 108                                 for (x = 0;x < size;x += g2)
 109                                         n(x+g,y+g) = (n(x,y) + n(x+g2,y) + n(x,y+g2) + n(x+g2,y+g2)) >> 2;
 110                         // square
 111                         for (y = 0;y < size;y += g2)
 112                                 for (x = 0;x < size;x += g2)
 113                                 {
 114                                         n(x+g,y) = (n(x,y) + n(x+g2,y) + n(x+g,y-g) + n(x+g,y+g)) >> 2;
 115                                         n(x,y+g) = (n(x,y) + n(x,y+g2) + n(x-g,y+g) + n(x+g,y+g)) >> 2;
 116                                 }
 117                 }
 118         }
 119         // find range of noise values
 120         min = max = 0;
 121         for (y = 0;y < size;y++)
 122                 for (x = 0;x < size;x++)
 123                 {
 124                         if (n(x,y) < min) min = n(x,y);
 125                         if (n(x,y) > max) max = n(x,y);
 126                 }
 127         max -= min;
 128         max++;
 129         // normalize noise and copy to output
 130         for (y = 0;y < size;y++)
 131                 for (x = 0;x < size;x++)
 132                         *noise++ = (qbyte) (((n(x,y) - min) * 256) / max);
 133         free(noisebuf);
 134 #undef n
 135 }
 136 void VectorVectors(const vec3_t forward, vec3_t right, vec3_t up)
 137 {
 138         float d;
 139
 140         right[0] = forward[2];
 141         right[1] = -forward[0];
 142         right[2] = forward[1];
 143
 144         d = DotProduct(forward, right);
 145         right[0] -= d * forward[0];
 146         right[1] -= d * forward[1];
 147         right[2] -= d * forward[2];
 148         VectorNormalizeFast(right);
 149         CrossProduct(right, forward, up);
 150 }
 151 #else
 152 #include "cl_collision.h"
 153 #endif
 154
 155 #define MAX_PARTICLES                   8192    // default max # of particles at one time
 156 #define ABSOLUTE_MIN_PARTICLES  512             // no fewer than this no matter what's on the command line
 157
 158 typedef enum
 159 {
 160         pt_static, pt_rain, pt_bubble, pt_blood, pt_grow
 161 }
 162 ptype_t;
 163
 164 #define PARTICLE_INVALID 0
 165 #define PARTICLE_BILLBOARD 1
 166 #define PARTICLE_SPARK 2
 167 #define PARTICLE_ORIENTED_DOUBLESIDED 3
 168 #define PARTICLE_BEAM 4
 169
 170 typedef struct particle_s
 171 {
 172         ptype_t         type;
 173         int                     orientation;
 174         int                     texnum;
 175         int                     additive;
 176         vec3_t          org;
 177         vec3_t          vel;
 178         float           die;
 179         float           scalex;
 180         float           scaley;
 181         float           alpha; // 0-255
 182         float           alphafade; // how much alpha reduces per second
 183         float           time2; // used for various things (snow fluttering, for example)
 184         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)
 185         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
 186         vec3_t          oldorg;
 187         vec3_t          vel2; // used for snow fluttering (base velocity, wind for instance)
 188         float           friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
 189         float           pressure; // if non-zero, apply pressure to other particles
 190         qbyte           color[4];
 191 }
 192 particle_t;
 193
 194 static int particlepalette[256] =
 195 {
 196         0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
 197         0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
 198         0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
 199         0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
 200         0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
 201         0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
 202         0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
 203         0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
 204         0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
 205         0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
 206         0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
 207         0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
 208         0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
 209         0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
 210         0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
 211         0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
 212         0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
 213         0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
 214         0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
 215         0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
 216         0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
 217         0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
 218         0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
 219         0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
 220         0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
 221         0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
 222         0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
 223         0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
 224         0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
 225         0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
 226         0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
 227         0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
 228 };
 229
 230 //static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
 231
 232 // texture numbers in particle font
 233 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
 234 static const int tex_rainsplash[16] = {8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
 235 static const int tex_particle = 24;
 236 static const int tex_raindrop = 25;
 237 static const int tex_bubble = 26;
 238 static const int tex_beam = 27;
 239
 240 static int                      cl_maxparticles;
 241 static int                      cl_numparticles;
 242 static particle_t       *particles;
 243 static particle_t       **freeparticles; // list used only in compacting particles array
 244
 245 cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
 246 cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
 247 cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
 248 cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
 249 cvar_t cl_particles_blood_size = {CVAR_SAVE, "cl_particles_blood_size", "8"};
 250 cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "0.5"};
 251 cvar_t cl_particles_bulletimpacts = {CVAR_SAVE, "cl_particles_bulletimpacts", "1"};
 252 cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
 253 cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
 254 cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
 255
 256 #ifndef WORKINGLQUAKE
 257 static mempool_t *cl_part_mempool;
 258 #endif
 259
 260 void CL_Particles_Clear(void)
 261 {
 262         cl_numparticles = 0;
 263 }
 264
 265 /*
 266 ===============
 267 CL_InitParticles
 268 ===============
 269 */
 270 void CL_ReadPointFile_f (void);
 271 void CL_Particles_Init (void)
 272 {
 273         int             i;
 274
 275         i = COM_CheckParm ("-particles");
 276
 277         if (i && i < com_argc - 1)
 278         {
 279                 cl_maxparticles = (int)(atoi(com_argv[i+1]));
 280                 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
 281                         cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
 282         }
 283         else
 284                 cl_maxparticles = MAX_PARTICLES;
 285
 286         Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
 287
 288         Cvar_RegisterVariable (&cl_particles);
 289         Cvar_RegisterVariable (&cl_particles_size);
 290         Cvar_RegisterVariable (&cl_particles_bloodshowers);
 291         Cvar_RegisterVariable (&cl_particles_blood);
 292         Cvar_RegisterVariable (&cl_particles_blood_size);
 293         Cvar_RegisterVariable (&cl_particles_blood_alpha);
 294         Cvar_RegisterVariable (&cl_particles_bulletimpacts);
 295         Cvar_RegisterVariable (&cl_particles_smoke);
 296         Cvar_RegisterVariable (&cl_particles_sparks);
 297         Cvar_RegisterVariable (&cl_particles_bubbles);
 298
 299 #ifdef WORKINGLQUAKE
 300         particles = (particle_t *) Hunk_AllocName(cl_maxparticles * sizeof(particle_t), "particles");
 301         freeparticles = (void *) Hunk_AllocName(cl_maxparticles * sizeof(particle_t *), "particles");
 302 #else
 303         cl_part_mempool = Mem_AllocPool("CL_Part");
 304         particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
 305         freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
 306 #endif
 307         cl_numparticles = 0;
 308 }
 309
 310 #define particle(ptype, porientation, pcolor1, pcolor2, ptex, plight, padditive, pscalex, pscaley, palpha, palphafade, ptime, pgravity, pbounce, px, py, pz, pvx, pvy, pvz, ptime2, pvx2, pvy2, pvz2, pfriction, ppressure)\
 311 {\
 312         if (cl_numparticles >= cl_maxparticles)\
 313                 return;\
 314         {\
 315                 particle_t      *part;\
 316                 int ptempcolor, ptempcolor2, pcr1, pcg1, pcb1, pcr2, pcg2, pcb2;\
 317                 ptempcolor = (pcolor1);\
 318                 ptempcolor2 = (pcolor2);\
 319                 pcr2 = ((ptempcolor2) >> 16) & 0xFF;\
 320                 pcg2 = ((ptempcolor2) >> 8) & 0xFF;\
 321                 pcb2 = (ptempcolor2) & 0xFF;\
 322                 if (ptempcolor != ptempcolor2)\
 323                 {\
 324                         pcr1 = ((ptempcolor) >> 16) & 0xFF;\
 325                         pcg1 = ((ptempcolor) >> 8) & 0xFF;\
 326                         pcb1 = (ptempcolor) & 0xFF;\
 327                         ptempcolor = rand() & 0xFF;\
 328                         pcr2 = (((pcr2 - pcr1) * ptempcolor) >> 8) + pcr1;\
 329                         pcg2 = (((pcg2 - pcg1) * ptempcolor) >> 8) + pcg1;\
 330                         pcb2 = (((pcb2 - pcb1) * ptempcolor) >> 8) + pcb1;\
 331                 }\
 332                 part = &particles[cl_numparticles++];\
 333                 part->type = (ptype);\
 334                 part->color[0] = pcr2;\
 335                 part->color[1] = pcg2;\
 336                 part->color[2] = pcb2;\
 337                 part->color[3] = 0xFF;\
 338                 part->orientation = porientation;\
 339                 part->texnum = ptex;\
 340                 part->additive = padditive;\
 341                 part->scalex = (pscalex);\
 342                 part->scaley = (pscaley);\
 343                 part->alpha = (palpha);\
 344                 part->alphafade = (palphafade);\
 345                 part->die = cl.time + (ptime);\
 346                 part->gravity = (pgravity);\
 347                 part->bounce = (pbounce);\
 348                 part->org[0] = (px);\
 349                 part->org[1] = (py);\
 350                 part->org[2] = (pz);\
 351                 part->vel[0] = (pvx);\
 352                 part->vel[1] = (pvy);\
 353                 part->vel[2] = (pvz);\
 354                 part->time2 = (ptime2);\
 355                 part->vel2[0] = (pvx2);\
 356                 part->vel2[1] = (pvy2);\
 357                 part->vel2[2] = (pvz2);\
 358                 part->friction = (pfriction);\
 359                 part->pressure = (ppressure);\
 360         }\
 361 }
 362
 363 /*
 364 ===============
 365 CL_EntityParticles
 366 ===============
 367 */
 368 void CL_EntityParticles (entity_t *ent)
 369 {
 370         int                     i;
 371         float           angle;
 372         float           sp, sy, cp, cy;
 373         vec3_t          forward;
 374         float           dist;
 375         float           beamlength;
 376         static vec3_t avelocities[NUMVERTEXNORMALS];
 377         if (!cl_particles.integer) return;
 378
 379         dist = 64;
 380         beamlength = 16;
 381
 382         if (!avelocities[0][0])
 383                 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
 384                         avelocities[0][i] = (rand()&255) * 0.01;
 385
 386         for (i=0 ; i<NUMVERTEXNORMALS ; i++)
 387         {
 388                 angle = cl.time * avelocities[i][0];
 389                 sy = sin(angle);
 390                 cy = cos(angle);
 391                 angle = cl.time * avelocities[i][1];
 392                 sp = sin(angle);
 393                 cp = cos(angle);
 394
 395                 forward[0] = cp*cy;
 396                 forward[1] = cp*sy;
 397                 forward[2] = -sp;
 398
 399 #ifdef WORKINGLQUAKE
 400                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, false, 2, 2, 255, 0, 0, 0, 0, ent->origin[0] + m_bytenormals[i][0]*dist + forward[0]*beamlength, ent->origin[1] + m_bytenormals[i][1]*dist + forward[1]*beamlength, ent->origin[2] + m_bytenormals[i][2]*dist + forward[2]*beamlength, 0, 0, 0, 0, 0, 0, 0, 0, 0);
 401 #else
 402                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, false, 2, 2, 255, 0, 0, 0, 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);
 403 #endif
 404         }
 405 }
 406
 407
 408 void CL_ReadPointFile_f (void)
 409 {
 410         vec3_t  org;
 411         int             r, c;
 412         char    *pointfile = NULL, *pointfilepos, *t, tchar;
 413 #if WORKINGLQUAKE
 414         char    name[MAX_OSPATH];
 415
 416         sprintf (name,"maps/%s.pts", cl.worldmodel->name);
 417         COM_FOpenFile (name, &f);
 418         if (f)
 419         {
 420                 int pointfilelength;
 421                 fseek(f, 0, SEEK_END);
 422                 pointfilelength = ftell(f);
 423                 fseek(f, 0, SEEK_SET);
 424                 pointfile = malloc(pointfilelength + 1);
 425                 fread(pointfile, 1, pointfilelength, f);
 426                 pointfile[pointfilelength] = 0;
 427                 fclose(f);
 428         }
 429 #else
 430         pointfile = COM_LoadFile(va("maps/%s.pts", cl.worldmodel->name), true);
 431 #endif
 432         if (!pointfile)
 433         {
 434                 Con_Printf ("couldn't open %s.pts\n", cl.worldmodel->name);
 435                 return;
 436         }
 437
 438         Con_Printf ("Reading %s.pts...\n", cl.worldmodel->name);
 439         c = 0;
 440         pointfilepos = pointfile;
 441         while (*pointfilepos)
 442         {
 443                 while (*pointfilepos == '\n' || *pointfilepos == '\r')
 444                         pointfilepos++;
 445                 if (!*pointfilepos)
 446                         break;
 447                 t = pointfilepos;
 448                 while (*t && *t != '\n' && *t != '\r')
 449                         t++;
 450                 tchar = *t;
 451                 *t = 0;
 452                 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
 453                 *t = tchar;
 454                 pointfilepos = t;
 455                 if (r != 3)
 456                         break;
 457                 c++;
 458
 459                 if (cl_numparticles >= cl_maxparticles)
 460                 {
 461                         Con_Printf ("Not enough free particles\n");
 462                         break;
 463                 }
 464                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[(-c)&15], particlepalette[(-c)&15], tex_particle, false, false, 2, 2, 255, 0, 99999, 0, 0, org[0], org[1], org[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
 465         }
 466
 467 #ifdef WORKINGLQUAKE
 468         free(pointfile);
 469 #else
 470         Mem_Free(pointfile);
 471 #endif
 472         Con_Printf ("%i points read\n", c);
 473 }
 474
 475 /*
 476 ===============
 477 CL_ParseParticleEffect
 478
 479 Parse an effect out of the server message
 480 ===============
 481 */
 482 void CL_ParseParticleEffect (void)
 483 {
 484         vec3_t org, dir;
 485         int i, count, msgcount, color;
 486
 487         for (i=0 ; i<3 ; i++)
 488                 org[i] = MSG_ReadCoord ();
 489         for (i=0 ; i<3 ; i++)
 490                 dir[i] = MSG_ReadChar () * (1.0/16);
 491         msgcount = MSG_ReadByte ();
 492         color = MSG_ReadByte ();
 493
 494         if (msgcount == 255)
 495                 count = 1024;
 496         else
 497                 count = msgcount;
 498
 499         CL_RunParticleEffect (org, dir, color, count);
 500 }
 501
 502 /*
 503 ===============
 504 CL_ParticleExplosion
 505
 506 ===============
 507 */
 508 void CL_ParticleExplosion (vec3_t org)
 509 {
 510         int i, k;
 511         //vec3_t v;
 512         //vec3_t v2;
 513         if (cl_stainmaps.integer)
 514                 R_Stain(org, 96, 80, 80, 80, 64, 176, 176, 176, 64);
 515
 516         i = Mod_PointContents(org, cl.worldmodel);
 517         if ((i == CONTENTS_SLIME || i == CONTENTS_WATER) && cl_particles.integer && cl_particles_bubbles.integer)
 518         {
 519                 for (i = 0;i < 128;i++)
 520                 {
 521                         particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, true, 2, 2, lhrandom(128, 255), 256, 9999, -0.25, 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, (1.0 / 16.0), 0);
 522                 }
 523         }
 524         else
 525         {
 526                 /*
 527                 // LordHavoc: smoke effect similar to UT2003, chews fillrate too badly up close
 528                 // smoke puff
 529                 if (cl_particles_smoke.integer)
 530                 {
 531                         for (i = 0;i < 64;i++)
 532                         {
 533 #ifdef WORKINGLQUAKE
 534                                 v2[0] = lhrandom(-64, 64);
 535                                 v2[1] = lhrandom(-64, 64);
 536                                 v2[2] = lhrandom(-8, 24);
 537 #else
 538                                 for (k = 0;k < 16;k++)
 539                                 {
 540                                         v[0] = org[0] + lhrandom(-64, 64);
 541                                         v[1] = org[1] + lhrandom(-64, 64);
 542                                         v[2] = org[2] + lhrandom(-8, 24);
 543                                         if (CL_TraceLine(org, v, v2, NULL, 0, true, NULL) >= 0.1)
 544                                                 break;
 545                                 }
 546                                 VectorSubtract(v2, org, v2);
 547 #endif
 548                                 VectorScale(v2, 2.0f, v2);
 549                                 particle(pt_static, PARTICLE_BILLBOARD, 0x101010, 0x202020, tex_smoke[rand()&7], true, true, 12, 12, 255, 512, 9999, 0, 0, org[0], org[1], org[2], v2[0], v2[1], v2[2], 0, 0, 0, 0, 0, 0);
 550                         }
 551                 }
 552                 */
 553
 554                 if (cl_particles_sparks.integer)
 555                 {
 556                         // sparks
 557                         for (i = 0;i < 256;i++)
 558                         {
 559                                 k = particlepalette[0x68 + (rand() & 7)];
 560                                 particle(pt_static, PARTICLE_SPARK, k, k, tex_particle, false, true, 1.5f, 0.05f, lhrandom(0, 255), 512, 9999, 1, 0, org[0], org[1], org[2], lhrandom(-192, 192), lhrandom(-192, 192), lhrandom(-192, 192) + 160, 0, 0, 0, 0, 0, 0);
 561                         }
 562                 }
 563         }
 564
 565         if (cl_explosions.integer)
 566                 R_NewExplosion(org);
 567 }
 568
 569 /*
 570 ===============
 571 CL_ParticleExplosion2
 572
 573 ===============
 574 */
 575 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
 576 {
 577         int i, k;
 578         if (!cl_particles.integer) return;
 579
 580         for (i = 0;i < 512;i++)
 581         {
 582                 k = particlepalette[colorStart + (i % colorLength)];
 583                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, false, 1.5, 1.5, 255, 384, 0.3, 0, 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, 1, 0);
 584         }
 585 }
 586
 587 /*
 588 ===============
 589 CL_BlobExplosion
 590
 591 ===============
 592 */
 593 void CL_BlobExplosion (vec3_t org)
 594 {
 595         if (cl_stainmaps.integer)
 596                 R_Stain(org, 96, 80, 80, 80, 64, 176, 176, 176, 64);
 597
 598         if (cl_explosions.integer)
 599                 R_NewExplosion(org);
 600 }
 601
 602 /*
 603 ===============
 604 CL_RunParticleEffect
 605
 606 ===============
 607 */
 608 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
 609 {
 610         int k;
 611
 612         if (count == 1024)
 613         {
 614                 CL_ParticleExplosion(org);
 615                 return;
 616         }
 617         if (!cl_particles.integer) return;
 618         while (count--)
 619         {
 620                 k = particlepalette[color + (rand()&7)];
 621                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, false, 1, 1, 255, 512, 9999, 0, 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);
 622         }
 623 }
 624
 625 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
 626 /*
 627 ===============
 628 CL_SparkShower
 629 ===============
 630 */
 631 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
 632 {
 633         int k;
 634         if (!cl_particles.integer) return;
 635
 636         if (cl_stainmaps.integer)
 637                 R_Stain(org, 32, 96, 96, 96, 24, 128, 128, 128, 24);
 638
 639         if (cl_particles_bulletimpacts.integer)
 640         {
 641                 // smoke puff
 642                 if (cl_particles_smoke.integer)
 643                 {
 644                         k = count / 4;
 645                         while(k--)
 646                         {
 647                                 particle(pt_grow, PARTICLE_BILLBOARD, 0x101010, 0x202020, tex_smoke[rand()&7], true, true, 3, 3, 255, 1024, 9999, -0.2, 0, org[0] + 0.125f * lhrandom(-count, count), org[1] + 0.125f * lhrandom (-count, count), org[2] + 0.125f * lhrandom(-count, count), lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(0, 16), 15, 0, 0, 0, 0, 0);
 648                         }
 649                 }
 650
 651                 if (cl_particles_sparks.integer)
 652                 {
 653                         // sparks
 654                         while(count--)
 655                         {
 656                                 k = particlepalette[0x68 + (rand() & 7)];
 657                                 particle(pt_static, PARTICLE_SPARK, k, k, tex_particle, false, true, 0.4f, 0.015f, lhrandom(64, 255), 512, 9999, 1, 0, org[0], org[1], org[2], lhrandom(-64, 64) + dir[0], lhrandom(-64, 64) + dir[1], lhrandom(0, 128) + dir[2], 0, 0, 0, 0, 0, 0);
 658                         }
 659                 }
 660         }
 661 }
 662
 663 void CL_PlasmaBurn (vec3_t org)
 664 {
 665         if (cl_stainmaps.integer)
 666                 R_Stain(org, 48, 96, 96, 96, 32, 128, 128, 128, 32);
 667 }
 668
 669 static float bloodcount = 0;
 670 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
 671 {
 672         float s, r, a;
 673         // bloodcount is used to accumulate counts too small to cause a blood particle
 674         if (!cl_particles.integer) return;
 675         if (!cl_particles_blood.integer) return;
 676
 677         s = count + 32.0f;
 678         count *= 5.0f;
 679         if (count > 1000)
 680                 count = 1000;
 681         bloodcount += count;
 682         r = cl_particles_blood_size.value;
 683         a = cl_particles_blood_alpha.value * 255;
 684         while(bloodcount > 0)
 685         {
 686                 particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, r, r, a, a * 0.5, 9999, 0, -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);
 687                 bloodcount -= r;
 688         }
 689 }
 690
 691 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
 692 {
 693         float r;
 694         float a;
 695         vec3_t diff, center, velscale;
 696         if (!cl_particles.integer) return;
 697         if (!cl_particles_bloodshowers.integer) return;
 698         if (!cl_particles_blood.integer) return;
 699
 700         VectorSubtract(maxs, mins, diff);
 701         center[0] = (mins[0] + maxs[0]) * 0.5;
 702         center[1] = (mins[1] + maxs[1]) * 0.5;
 703         center[2] = (mins[2] + maxs[2]) * 0.5;
 704         // FIXME: change velspeed back to 2.0x after fixing mod
 705         velscale[0] = velspeed * 2.0 / diff[0];
 706         velscale[1] = velspeed * 2.0 / diff[1];
 707         velscale[2] = velspeed * 2.0 / diff[2];
 708
 709         bloodcount += count * 5.0f;
 710         r = cl_particles_blood_size.value;
 711         a = cl_particles_blood_alpha.value * 255;
 712         while (bloodcount > 0)
 713         {
 714                 vec3_t org, vel;
 715                 org[0] = lhrandom(mins[0], maxs[0]);
 716                 org[1] = lhrandom(mins[1], maxs[1]);
 717                 org[2] = lhrandom(mins[2], maxs[2]);
 718                 vel[0] = (org[0] - center[0]) * velscale[0];
 719                 vel[1] = (org[1] - center[1]) * velscale[1];
 720                 vel[2] = (org[2] - center[2]) * velscale[2];
 721                 bloodcount -= r;
 722                 particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, false, r, r, a, a * 0.5, 9999, 0, -1, org[0], org[1], org[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, 1, 0);
 723         }
 724 }
 725
 726 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
 727 {
 728         int k;
 729         float t;
 730         if (!cl_particles.integer) return;
 731         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 732         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 733         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 734
 735         while (count--)
 736         {
 737                 k = particlepalette[colorbase + (rand()&3)];
 738                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, false, 2, 2, 255, 0, lhrandom(1, 2), gravity ? 1 : 0, 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);
 739         }
 740 }
 741
 742 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
 743 {
 744         int k;
 745         float t, z, minz, maxz;
 746         if (!cl_particles.integer) return;
 747         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 748         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 749         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 750         if (dir[2] < 0) // falling
 751         {
 752                 t = (maxs[2] - mins[2]) / -dir[2];
 753                 z = maxs[2];
 754         }
 755         else // rising??
 756         {
 757                 t = (maxs[2] - mins[2]) / dir[2];
 758                 z = mins[2];
 759         }
 760         if (t < 0 || t > 2) // sanity check
 761                 t = 2;
 762
 763         minz = z - fabs(dir[2]) * 0.1;
 764         maxz = z + fabs(dir[2]) * 0.1;
 765         minz = bound(mins[2], minz, maxs[2]);
 766         maxz = bound(mins[2], maxz, maxs[2]);
 767
 768         switch(type)
 769         {
 770         case 0:
 771                 count *= 4; // ick, this should be in the mod or maps?
 772
 773                 while(count--)
 774                 {
 775                         k = particlepalette[colorbase + (rand()&3)];
 776                         particle(pt_rain, PARTICLE_SPARK, k, k, tex_particle, true, true, 0.5, 0.02, lhrandom(8, 16), 0, t, 0, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], cl.time + 9999, dir[0], dir[1], dir[2], 0, 0);
 777                 }
 778                 break;
 779         case 1:
 780                 while(count--)
 781                 {
 782                         k = particlepalette[colorbase + (rand()&3)];
 783                         particle(pt_rain, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 1, 1, lhrandom(64, 128), 0, t, 0, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0, dir[0], dir[1], dir[2], 0, 0);
 784                 }
 785                 break;
 786         default:
 787                 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
 788         }
 789 }
 790
 791 void CL_Stardust (vec3_t mins, vec3_t maxs, int count)
 792 {
 793         int k;
 794         float t;
 795         vec3_t o, v, center;
 796         if (!cl_particles.integer) return;
 797
 798         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 799         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 800         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 801
 802         center[0] = (mins[0] + maxs[0]) * 0.5f;
 803         center[1] = (mins[1] + maxs[1]) * 0.5f;
 804         center[2] = (mins[2] + maxs[2]) * 0.5f;
 805
 806         while (count--)
 807         {
 808                 k = particlepalette[224 + (rand()&15)];
 809                 o[0] = lhrandom(mins[0], maxs[0]);
 810                 o[1] = lhrandom(mins[1], maxs[1]);
 811                 o[2] = lhrandom(mins[2], maxs[2]);
 812                 VectorSubtract(o, center, v);
 813                 VectorNormalizeFast(v);
 814                 VectorScale(v, 100, v);
 815                 v[2] += sv_gravity.value * 0.15f;
 816                 particle(pt_static, PARTICLE_BILLBOARD, 0x903010, 0xFFD030, tex_particle, false, true, 1.5, 1.5, lhrandom(64, 128), 128, 9999, 1, 0, o[0], o[1], o[2], v[0], v[1], v[2], 0, 0, 0, 0, 0, 0);
 817         }
 818 }
 819
 820 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
 821 {
 822         int k;
 823         float t;
 824         if (!cl_particles.integer) return;
 825         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 826         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 827         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 828
 829         while (count--)
 830         {
 831                 k = particlepalette[224 + (rand()&15)];
 832                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 4, 4, lhrandom(64, 128), 384, 9999, -1, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), lhrandom(-32, 32), lhrandom(-32, 32), lhrandom(0, 64), 0, 0, 0, 0, 1, 0);
 833                 if (count & 1)
 834                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, true, 6, 6, lhrandom(48, 96), 64, 9999, 0, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(0, 32), 0, 0, 0, 0, 0, 0);
 835         }
 836 }
 837
 838 void CL_Flames (vec3_t org, vec3_t vel, int count)
 839 {
 840         int k;
 841         if (!cl_particles.integer) return;
 842
 843         while (count--)
 844         {
 845                 k = particlepalette[224 + (rand()&15)];
 846                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 4, 4, lhrandom(64, 128), 384, 9999, -1, 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);
 847         }
 848 }
 849
 850
 851
 852 /*
 853 ===============
 854 CL_LavaSplash
 855
 856 ===============
 857 */
 858 void CL_LavaSplash (vec3_t origin)
 859 {
 860         int                     i, j, k;
 861         float           vel;
 862         vec3_t          dir, org;
 863         if (!cl_particles.integer) return;
 864
 865         for (i=-128 ; i<128 ; i+=16)
 866         {
 867                 for (j=-128 ; j<128 ; j+=16)
 868                 {
 869                         dir[0] = j + lhrandom(0, 8);
 870                         dir[1] = i + lhrandom(0, 8);
 871                         dir[2] = 256;
 872                         org[0] = origin[0] + dir[0];
 873                         org[1] = origin[1] + dir[1];
 874                         org[2] = origin[2] + lhrandom(0, 64);
 875                         vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
 876                         k = particlepalette[224 + (rand()&7)];
 877                         particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 7, 7, 255, 192, 9999, 0.05, 0, org[0], org[1], org[2], dir[0] * vel, dir[1] * vel, dir[2] * vel, 0, 0, 0, 0, 0, 0);
 878                 }
 879         }
 880 }
 881
 882 /*
 883 ===============
 884 CL_TeleportSplash
 885
 886 ===============
 887 */
 888 #if WORKINGLQUAKE
 889 void R_TeleportSplash (vec3_t org)
 890 {
 891         int i, j, k;
 892         if (!cl_particles.integer) return;
 893
 894         for (i=-16 ; i<16 ; i+=8)
 895                 for (j=-16 ; j<16 ; j+=8)
 896                         for (k=-24 ; k<32 ; k+=8)
 897                                 particle(pt_static, PARTICLE_BILLBOARD, 0xA0A0A0, 0xFFFFFF, tex_particle, false, true, 10, 10, lhrandom(64, 128), 256, 9999, 0, 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), 0, 0, 0, 0, 1, 0);
 898 }
 899 #endif
 900
 901 #ifdef WORKINGLQUAKE
 902 void R_RocketTrail (vec3_t start, vec3_t end, int type)
 903 #else
 904 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
 905 #endif
 906 {
 907         vec3_t vec, dir, vel, pos;
 908         float len, dec, speed, r;
 909         int contents, smoke, blood, bubbles;
 910
 911         VectorSubtract(end, start, dir);
 912         VectorNormalize(dir);
 913
 914         VectorSubtract (end, start, vec);
 915 #ifdef WORKINGLQUAKE
 916         len = VectorNormalize (vec);
 917         dec = 0;
 918         speed = 1.0f / cl.frametime;
 919         VectorSubtract(end, start, vel);
 920 #else
 921         len = VectorNormalizeLength (vec);
 922         dec = -ent->persistent.trail_time;
 923         ent->persistent.trail_time += len;
 924         if (ent->persistent.trail_time < 0.01f)
 925                 return;
 926
 927         // if we skip out, leave it reset
 928         ent->persistent.trail_time = 0.0f;
 929
 930         speed = 1.0f / (ent->state_current.time - ent->state_previous.time);
 931         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, vel);
 932 #endif
 933         VectorScale(vel, speed, vel);
 934
 935         // advance into this frame to reach the first puff location
 936         VectorMA(start, dec, vec, pos);
 937         len -= dec;
 938
 939         contents = Mod_PointContents(pos, cl.worldmodel);
 940         if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
 941                 return;
 942
 943         smoke = cl_particles.integer && cl_particles_smoke.integer;
 944         blood = cl_particles.integer && cl_particles_blood.integer;
 945         bubbles = cl_particles.integer && cl_particles_bubbles.integer && (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
 946
 947         while (len >= 0)
 948         {
 949                 switch (type)
 950                 {
 951                         case 0: // rocket trail
 952                                 dec = 3;
 953                                 if (smoke)
 954                                 {
 955                                         particle(pt_grow,   PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, true, dec, dec, 32, 64, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 6, 0, 0, 0, 0, 0);
 956                                         particle(pt_static, PARTICLE_BILLBOARD, 0x801010, 0xFFA020, tex_smoke[rand()&7], false, true, dec, dec, 128, 768, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-20, 20), lhrandom(-20, 20), lhrandom(-20, 20), 0, 0, 0, 0, 0, 0);
 957                                 }
 958                                 if (bubbles)
 959                                 {
 960                                         r = lhrandom(1, 2);
 961                                         particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, true, r, r, lhrandom(64, 255), 256, 9999, -0.25, 1.5, pos[0], pos[1], pos[2], lhrandom(-16, 16), lhrandom(-16, 16), lhrandom(-16, 16), 0, 0, 0, 0, (1.0 / 16.0), 0);
 962                                 }
 963                                 break;
 964
 965                         case 1: // grenade trail
 966                                 // FIXME: make it gradually stop smoking
 967                                 dec = 3;
 968                                 if (cl_particles.integer && cl_particles_smoke.integer)
 969                                 {
 970                                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, true, dec, dec, 32, 96, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 0, 0, 0, 0, 0, 0);
 971                                 }
 972                                 break;
 973
 974
 975                         case 2: // blood
 976                         case 4: // slight blood
 977                                 dec = cl_particles_blood_size.value;
 978                                 if (blood)
 979                                 {
 980                                         particle(pt_blood, PARTICLE_BILLBOARD, 0x100000, 0x280000, tex_smoke[rand()&7], true, false, dec, dec, cl_particles_blood_alpha.value * 255.0f, cl_particles_blood_alpha.value * 255.0f * 0.5, 9999, 0, -1, pos[0], pos[1], pos[2], vel[0] * 0.5f + lhrandom(-64, 64), vel[1] * 0.5f + lhrandom(-64, 64), vel[2] * 0.5f + lhrandom(-64, 64), 0, 0, 0, 0, 1, 0);
 981                                 }
 982                                 break;
 983
 984                         case 3: // green tracer
 985                                 dec = 6;
 986                                 if (smoke)
 987                                 {
 988                                         particle(pt_static, PARTICLE_BILLBOARD, 0x002000, 0x003000, tex_particle, false, true, dec, dec, 128, 384, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 0, 0, 0, 0, 0, 0);
 989                                 }
 990                                 break;
 991
 992                         case 5: // flame tracer
 993                                 dec = 6;
 994                                 if (smoke)
 995                                 {
 996                                         particle(pt_static, PARTICLE_BILLBOARD, 0x301000, 0x502000, tex_particle, false, true, dec, dec, 128, 384, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 0, 0, 0, 0, 0, 0);
 997                                 }
 998                                 break;
 999
1000                         case 6: // voor trail
1001                                 dec = 6;
1002                                 if (smoke)
1003                                 {
1004                                         particle(pt_static, PARTICLE_BILLBOARD, 0x502030, 0x502030, tex_particle, false, true, dec, dec, 128, 384, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 0, 0, 0, 0, 0, 0);
1005                                 }
1006                                 break;
1007
1008                         case 7: // Nehahra smoke tracer
1009                                 dec = 7;
1010                                 if (smoke)
1011                                 {
1012                                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], true, false, dec, dec, 64, 320, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-4, 4), lhrandom(-4, 4), lhrandom(0, 16), 0, 0, 0, 0, 0, 0);
1013                                 }
1014                                 break;
1015                         case 8: // Nexiuz plasma trail
1016                                 dec = 4;
1017                                 if (smoke)
1018                                 {
1019                                         //particle(pt_static, PARTICLE_BILLBOARD, 0x2030FF, 0x80C0FF, tex_particle, false, true, 3.0f, 3.0f, lhrandom(64, 255), 512, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-32, 32) + dir[0] * -64.0f, lhrandom(-32, 32) + dir[1] * -64.0f, lhrandom(-32, 32) + dir[2] * -64.0f, 0, 0, 0, 0, 0, 0);
1020                                         particle(pt_static, PARTICLE_BILLBOARD, 0x283880, 0x283880, tex_particle, false, true, dec, dec, 255, 1024, 9999, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
1021                                 }
1022                 }
1023
1024                 // advance to next time and position
1025                 len -= dec;
1026                 VectorMA (pos, dec, vec, pos);
1027         }
1028 #ifndef WORKINGLQUAKE
1029         ent->persistent.trail_time = len;
1030 #endif
1031 }
1032
1033 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
1034 {
1035         vec3_t vec, pos;
1036         int len;
1037         if (!cl_particles.integer) return;
1038         if (!cl_particles_smoke.integer) return;
1039
1040         VectorCopy(start, pos);
1041         VectorSubtract (end, start, vec);
1042 #ifdef WORKINGLQUAKE
1043         len = (int) (VectorNormalize (vec) * (1.0f / 3.0f));
1044 #else
1045         len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
1046 #endif
1047         VectorScale(vec, 3, vec);
1048         color = particlepalette[color];
1049         while (len--)
1050         {
1051                 particle(pt_static, PARTICLE_BILLBOARD, color, color, tex_particle, false, false, 5, 5, 128, 320, 9999, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
1052                 VectorAdd (pos, vec, pos);
1053         }
1054 }
1055
1056 void CL_BeamParticle (const vec3_t start, const vec3_t end, vec_t radius, float red, float green, float blue, float alpha, float lifetime)
1057 {
1058         int tempcolor2, cr, cg, cb;
1059         cr = red * 255;
1060         cg = green * 255;
1061         cb = blue * 255;
1062         tempcolor2 = (bound(0, cr, 255) << 16) | (bound(0, cg, 255) << 8) | bound(0, cb, 255);
1063         particle(pt_static, PARTICLE_BEAM, tempcolor2, tempcolor2, tex_beam, false, true, radius, radius, alpha * 255, alpha * 255 / lifetime, 9999, 0, 0, start[0], start[1], start[2], 0, 0, 0, 0, end[0], end[1], end[2], 0, 0);
1064 }
1065
1066 void CL_Tei_Smoke(const vec3_t org, const vec3_t dir, int count)
1067 {
1068         int k;
1069         if (!cl_particles.integer) return;
1070
1071         // smoke puff
1072         if (cl_particles_smoke.integer)
1073         {
1074                 k = count / 4;
1075                 while(k--)
1076                 {
1077                         particle(pt_grow, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, true, 5, 5, 255, 512, 9999, 0, 0, org[0] + 0.125f * lhrandom(-count, count), org[1] + 0.125f * lhrandom (-count, count), org[2] + 0.125f * lhrandom(-count, count), dir[0] + lhrandom(-count, count) * 0.5f, dir[1] + lhrandom(-count, count) * 0.5f, dir[2] + lhrandom(-count, count) * 0.5f, 15, 0, 0, 0, 0, 0);
1078                 }
1079         }
1080 }
1081
1082 void CL_Tei_PlasmaHit(const vec3_t org, const vec3_t dir, int count)
1083 {
1084         int k;
1085         if (!cl_particles.integer) return;
1086
1087         if (cl_stainmaps.integer)
1088                 R_Stain(org, 40, 96, 96, 96, 40, 128, 128, 128, 40);
1089
1090         // smoke puff
1091         if (cl_particles_smoke.integer)
1092         {
1093                 k = count / 4;
1094                 while(k--)
1095                 {
1096                         particle(pt_grow, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, true, 5, 5, 255, 512, 9999, 0, 0, org[0] + 0.125f * lhrandom(-count, count), org[1] + 0.125f * lhrandom (-count, count), org[2] + 0.125f * lhrandom(-count, count), dir[0] + lhrandom(-count, count), dir[1] + lhrandom(-count, count), dir[2] + lhrandom(-count, count), 15, 0, 0, 0, 0, 0);
1097                 }
1098         }
1099
1100         if (cl_particles_sparks.integer)
1101         {
1102                 // sparks
1103                 while(count--)
1104                 {
1105                         particle(pt_static, PARTICLE_SPARK, 0x2030FF, 0x80C0FF, tex_particle, false, true, 2.0f, 0.1f, lhrandom(64, 255), 512, 9999, 0, 0, org[0], org[1], org[2], lhrandom(-count, count) * 3.0f + dir[0], lhrandom(-count, count) * 3.0f + dir[1], lhrandom(-count, count) * 3.0f + dir[2], 0, 0, 0, 0, 0, 0);
1106                 }
1107         }
1108 }
1109
1110 /*
1111 ===============
1112 CL_MoveParticles
1113 ===============
1114 */
1115 void CL_MoveParticles (void)
1116 {
1117         particle_t *p;
1118         int i, activeparticles, maxparticle, j, a, pressureused = false, content;
1119         float gravity, dvel, bloodwaterfade, frametime, f, dist, normal[3], v[3], org[3];
1120
1121         // LordHavoc: early out condition
1122         if (!cl_numparticles)
1123                 return;
1124
1125 #ifdef WORKINGLQUAKE
1126         frametime = cl.frametime;
1127 #else
1128         frametime = cl.time - cl.oldtime;
1129 #endif
1130         gravity = frametime * sv_gravity.value;
1131         dvel = 1+4*frametime;
1132         bloodwaterfade = max(cl_particles_blood_alpha.value, 0.01f) * frametime * 128.0f;
1133
1134         activeparticles = 0;
1135         maxparticle = -1;
1136         j = 0;
1137         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1138         {
1139                 content = 0;
1140                 VectorCopy(p->org, p->oldorg);
1141                 VectorMA(p->org, frametime, p->vel, p->org);
1142                 VectorCopy(p->org, org);
1143 #ifndef WORKINGLQUAKE
1144                 if (p->bounce)
1145                 {
1146                         if (CL_TraceLine(p->oldorg, p->org, v, normal, 0, true, NULL) < 1)
1147                         {
1148                                 VectorCopy(v, p->org);
1149                                 if (p->bounce < 0)
1150                                 {
1151                                         // assume it's blood (lame, but...)
1152                                         if (cl_stainmaps.integer)
1153                                                 R_Stain(v, 32, 32, 16, 16, p->alpha * p->scalex * (1.0f / 40.0f), 192, 48, 48, p->alpha * p->scalex * (1.0f / 40.0f));
1154                                         p->die = -1;
1155                                         freeparticles[j++] = p;
1156                                         continue;
1157                                 }
1158                                 else
1159                                 {
1160                                         dist = DotProduct(p->vel, normal) * -p->bounce;
1161                                         VectorMA(p->vel, dist, normal, p->vel);
1162                                         if (DotProduct(p->vel, p->vel) < 0.03)
1163                                                 VectorClear(p->vel);
1164                                 }
1165                         }
1166                 }
1167 #endif
1168                 p->vel[2] -= p->gravity * gravity;
1169                 p->alpha -= p->alphafade * frametime;
1170                 if (p->friction)
1171                 {
1172                         f = p->friction * frametime;
1173                         if (!content)
1174                                 content = Mod_PointContents(p->org, cl.worldmodel);
1175                         if (content != CONTENTS_EMPTY)
1176                                 f *= 4;
1177                         f = 1.0f - f;
1178                         VectorScale(p->vel, f, p->vel);
1179                 }
1180
1181                 if (p->type != pt_static)
1182                 {
1183                         switch (p->type)
1184                         {
1185                         case pt_blood:
1186                                 if (!content)
1187                                         content = Mod_PointContents(p->org, cl.worldmodel);
1188                                 a = content;
1189                                 if (a != CONTENTS_EMPTY)
1190                                 {
1191                                         if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
1192                                         {
1193                                                 p->scalex += frametime * cl_particles_blood_size.value;
1194                                                 p->scaley += frametime * cl_particles_blood_size.value;
1195                                                 //p->alpha -= bloodwaterfade;
1196                                         }
1197                                         else
1198                                                 p->die = -1;
1199                                 }
1200                                 else
1201                                         p->vel[2] -= gravity;
1202                                 break;
1203                         case pt_bubble:
1204                                 if (!content)
1205                                         content = Mod_PointContents(p->org, cl.worldmodel);
1206                                 if (content != CONTENTS_WATER && content != CONTENTS_SLIME)
1207                                 {
1208                                         p->die = -1;
1209                                         break;
1210                                 }
1211                                 break;
1212                         case pt_rain:
1213                                 if (cl.time > p->time2)
1214                                 {
1215                                         // snow flutter
1216                                         p->time2 = cl.time + (rand() & 3) * 0.1;
1217                                         p->vel[0] = lhrandom(-32, 32) + p->vel2[0];
1218                                         p->vel[1] = lhrandom(-32, 32) + p->vel2[1];
1219                                         p->vel[2] = /*lhrandom(-32, 32) +*/ p->vel2[2];
1220                                 }
1221                                 if (!content)
1222                                         content = Mod_PointContents(p->org, cl.worldmodel);
1223                                 a = content;
1224                                 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1225                                         p->die = -1;
1226                                 break;
1227                         case pt_grow:
1228                                 p->scalex += frametime * p->time2;
1229                                 p->scaley += frametime * p->time2;
1230                                 break;
1231                         default:
1232                                 printf("unknown particle type %i\n", p->type);
1233                                 p->die = -1;
1234                                 break;
1235                         }
1236                 }
1237
1238                 // remove dead particles
1239                 if (p->alpha < 1 || p->die < cl.time)
1240                         freeparticles[j++] = p;
1241                 else
1242                 {
1243                         maxparticle = i;
1244                         activeparticles++;
1245                         if (p->pressure)
1246                                 pressureused = true;
1247                 }
1248         }
1249         // fill in gaps to compact the array
1250         i = 0;
1251         while (maxparticle >= activeparticles)
1252         {
1253                 *freeparticles[i++] = particles[maxparticle--];
1254                 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1255                         maxparticle--;
1256         }
1257         cl_numparticles = activeparticles;
1258
1259         if (pressureused)
1260         {
1261                 activeparticles = 0;
1262                 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1263                         if (p->pressure)
1264                                 freeparticles[activeparticles++] = p;
1265
1266                 if (activeparticles)
1267                 {
1268                         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1269                         {
1270                                 for (j = 0;j < activeparticles;j++)
1271                                 {
1272                                         if (freeparticles[j] != p)
1273                                         {
1274                                                 float dist, diff[3];
1275                                                 VectorSubtract(p->org, freeparticles[j]->org, diff);
1276                                                 dist = DotProduct(diff, diff);
1277                                                 if (dist < 4096 && dist >= 1)
1278                                                 {
1279                                                         dist = freeparticles[j]->scalex * 4.0f * frametime / sqrt(dist);
1280                                                         VectorMA(p->vel, dist, diff, p->vel);
1281                                                 }
1282                                         }
1283                                 }
1284                         }
1285                 }
1286         }
1287 }
1288
1289 #define MAX_PARTICLETEXTURES 64
1290 // particletexture_t is a rectangle in the particlefonttexture
1291 typedef struct
1292 {
1293         rtexture_t *texture;
1294         float s1, t1, s2, t2;
1295 }
1296 particletexture_t;
1297
1298 #if WORKINGLQUAKE
1299 static int particlefonttexture;
1300 #else
1301 static rtexturepool_t *particletexturepool;
1302 static rtexture_t *particlefonttexture;
1303 #endif
1304 static particletexture_t particletexture[MAX_PARTICLETEXTURES];
1305
1306 static cvar_t r_drawparticles = {0, "r_drawparticles", "1"};
1307
1308 static qbyte shadebubble(float dx, float dy, vec3_t light)
1309 {
1310         float dz, f, dot;
1311         vec3_t normal;
1312         dz = 1 - (dx*dx+dy*dy);
1313         if (dz > 0) // it does hit the sphere
1314         {
1315                 f = 0;
1316                 // back side
1317                 normal[0] = dx;normal[1] = dy;normal[2] = dz;
1318                 VectorNormalize(normal);
1319                 dot = DotProduct(normal, light);
1320                 if (dot > 0.5) // interior reflection
1321                         f += ((dot *  2) - 1);
1322                 else if (dot < -0.5) // exterior reflection
1323                         f += ((dot * -2) - 1);
1324                 // front side
1325                 normal[0] = dx;normal[1] = dy;normal[2] = -dz;
1326                 VectorNormalize(normal);
1327                 dot = DotProduct(normal, light);
1328                 if (dot > 0.5) // interior reflection
1329                         f += ((dot *  2) - 1);
1330                 else if (dot < -0.5) // exterior reflection
1331                         f += ((dot * -2) - 1);
1332                 f *= 128;
1333                 f += 16; // just to give it a haze so you can see the outline
1334                 f = bound(0, f, 255);
1335                 return (qbyte) f;
1336         }
1337         else
1338                 return 0;
1339 }
1340
1341 static void setuptex(int texnum, qbyte *data, qbyte *particletexturedata)
1342 {
1343         int basex, basey, y;
1344         basex = ((texnum >> 0) & 7) * 32;
1345         basey = ((texnum >> 3) & 7) * 32;
1346         particletexture[texnum].s1 = (basex + 1) / 256.0f;
1347         particletexture[texnum].t1 = (basey + 1) / 256.0f;
1348         particletexture[texnum].s2 = (basex + 31) / 256.0f;
1349         particletexture[texnum].t2 = (basey + 31) / 256.0f;
1350         for (y = 0;y < 32;y++)
1351                 memcpy(particletexturedata + ((basey + y) * 256 + basex) * 4, data + y * 32 * 4, 32 * 4);
1352 }
1353
1354 static void R_InitParticleTexture (void)
1355 {
1356         int x,y,d,i,m;
1357         float dx, dy, radius, f, f2;
1358         qbyte data[32][32][4], noise1[64][64], noise2[64][64], data2[64][16][4];
1359         vec3_t light;
1360         qbyte particletexturedata[256*256*4];
1361
1362         memset(particletexturedata, 255, sizeof(particletexturedata));
1363
1364         // the second setuptex parameter must match the tex_ numbers
1365         // smoke/blood
1366         for (i = 0;i < 8;i++)
1367         {
1368                 do
1369                 {
1370                         fractalnoise(&noise1[0][0], 64, 4);
1371                         fractalnoise(&noise2[0][0], 64, 8);
1372                         m = 0;
1373                         for (y = 0;y < 32;y++)
1374                         {
1375                                 dy = y - 16;
1376                                 for (x = 0;x < 32;x++)
1377                                 {
1378                                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1379                                         dx = x - 16;
1380                                         d = (noise2[y][x] - 128) * 3 + 192;
1381                                         if (d > 0)
1382                                                 d = (d * (256 - (int) (dx*dx+dy*dy))) >> 8;
1383                                         d = (d * noise1[y][x]) >> 7;
1384                                         d = bound(0, d, 255);
1385                                         data[y][x][3] = (qbyte) d;
1386                                         if (m < d)
1387                                                 m = d;
1388                                 }
1389                         }
1390                 }
1391                 while (m < 224);
1392
1393                 setuptex(tex_smoke[i], &data[0][0][0], particletexturedata);
1394         }
1395
1396         // rain splash
1397         for (i = 0;i < 16;i++)
1398         {
1399                 radius = i * 3.0f / 16.0f;
1400                 f2 = 255.0f * ((15.0f - i) / 15.0f);
1401                 for (y = 0;y < 32;y++)
1402                 {
1403                         dy = (y - 16) * 0.25f;
1404                         for (x = 0;x < 32;x++)
1405                         {
1406                                 dx = (x - 16) * 0.25f;
1407                                 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1408                                 f = (1.0 - fabs(radius - sqrt(dx*dx+dy*dy))) * f2;
1409                                 f = bound(0.0f, f, 255.0f);
1410                                 data[y][x][3] = (int) f;
1411                         }
1412                 }
1413                 setuptex(tex_rainsplash[i], &data[0][0][0], particletexturedata);
1414         }
1415
1416         // normal particle
1417         for (y = 0;y < 32;y++)
1418         {
1419                 dy = y - 16;
1420                 for (x = 0;x < 32;x++)
1421                 {
1422                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1423                         dx = x - 16;
1424                         d = (256 - (dx*dx+dy*dy));
1425                         d = bound(0, d, 255);
1426                         data[y][x][3] = (qbyte) d;
1427                 }
1428         }
1429         setuptex(tex_particle, &data[0][0][0], particletexturedata);
1430
1431         // rain
1432         light[0] = 1;light[1] = 1;light[2] = 1;
1433         VectorNormalize(light);
1434         for (y = 0;y < 32;y++)
1435         {
1436                 for (x = 0;x < 32;x++)
1437                 {
1438                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1439                         data[y][x][3] = shadebubble((x - 16) * (1.0 / 8.0), y < 24 ? (y - 24) * (1.0 / 24.0) : (y - 24) * (1.0 / 8.0), light);
1440                 }
1441         }
1442         setuptex(tex_raindrop, &data[0][0][0], particletexturedata);
1443
1444         // bubble
1445         light[0] = 1;light[1] = 1;light[2] = 1;
1446         VectorNormalize(light);
1447         for (y = 0;y < 32;y++)
1448         {
1449                 for (x = 0;x < 32;x++)
1450                 {
1451                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1452                         data[y][x][3] = shadebubble((x - 16) * (1.0 / 16.0), (y - 16) * (1.0 / 16.0), light);
1453                 }
1454         }
1455         setuptex(tex_bubble, &data[0][0][0], particletexturedata);
1456
1457 #if WORKINGLQUAKE
1458         glBindTexture(GL_TEXTURE_2D, (particlefonttexture = gl_extension_number++));
1459         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
1460         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1461 #else
1462         particlefonttexture = R_LoadTexture2D(particletexturepool, "particlefont", 256, 256, particletexturedata, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
1463         for (i = 0;i < MAX_PARTICLETEXTURES;i++)
1464                 particletexture[i].texture = particlefonttexture;
1465
1466         // beam
1467         fractalnoise(&noise1[0][0], 64, 4);
1468         m = 0;
1469         for (y = 0;y < 64;y++)
1470         {
1471                 for (x = 0;x < 16;x++)
1472                 {
1473                         if (x < 8)
1474                                 d = x;
1475                         else
1476                                 d = (15 - x);
1477                         d = d * d * noise1[y][x] / (7 * 7);
1478                         data2[y][x][0] = data2[y][x][1] = data2[y][x][2] = (qbyte) bound(0, d, 255);
1479                         data2[y][x][3] = 255;
1480                 }
1481         }
1482
1483         particletexture[tex_beam].texture = R_LoadTexture2D(particletexturepool, "beam", 16, 64, &data2[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
1484         particletexture[tex_beam].s1 = 0;
1485         particletexture[tex_beam].t1 = 0;
1486         particletexture[tex_beam].s2 = 1;
1487         particletexture[tex_beam].t2 = 1;
1488 #endif
1489 }
1490
1491 static void r_part_start(void)
1492 {
1493         particletexturepool = R_AllocTexturePool();
1494         R_InitParticleTexture ();
1495 }
1496
1497 static void r_part_shutdown(void)
1498 {
1499         R_FreeTexturePool(&particletexturepool);
1500 }
1501
1502 static void r_part_newmap(void)
1503 {
1504         cl_numparticles = 0;
1505 }
1506
1507 void R_Particles_Init (void)
1508 {
1509         Cvar_RegisterVariable(&r_drawparticles);
1510 #ifdef WORKINGLQUAKE
1511         r_part_start();
1512 #else
1513         R_RegisterModule("R_Particles", r_part_start, r_part_shutdown, r_part_newmap);
1514 #endif
1515 }
1516
1517 #ifdef WORKINGLQUAKE
1518 void R_InitParticles(void)
1519 {
1520         CL_Particles_Init();
1521         R_Particles_Init();
1522 }
1523
1524 float varray_vertex[16];
1525 #endif
1526
1527 void R_DrawParticleCallback(const void *calldata1, int calldata2)
1528 {
1529         float org[3], up2[3], v[3], right[3], up[3], fog, ifog, fogvec[3], cr, cg, cb, ca;
1530         particletexture_t *tex;
1531 #ifndef WORKINGLQUAKE
1532         rmeshstate_t m;
1533 #endif
1534         const particle_t *p = calldata1;
1535
1536         VectorCopy(p->org, org);
1537
1538         if (p->orientation == PARTICLE_BILLBOARD)
1539         {
1540                 VectorScale(vright, p->scalex, right);
1541                 VectorScale(vup, p->scaley, up);
1542                 varray_vertex[ 0] = org[0] + right[0] - up[0];
1543                 varray_vertex[ 1] = org[1] + right[1] - up[1];
1544                 varray_vertex[ 2] = org[2] + right[2] - up[2];
1545                 varray_vertex[ 4] = org[0] - right[0] - up[0];
1546                 varray_vertex[ 5] = org[1] - right[1] - up[1];
1547                 varray_vertex[ 6] = org[2] - right[2] - up[2];
1548                 varray_vertex[ 8] = org[0] - right[0] + up[0];
1549                 varray_vertex[ 9] = org[1] - right[1] + up[1];
1550                 varray_vertex[10] = org[2] - right[2] + up[2];
1551                 varray_vertex[12] = org[0] + right[0] + up[0];
1552                 varray_vertex[13] = org[1] + right[1] + up[1];
1553                 varray_vertex[14] = org[2] + right[2] + up[2];
1554         }
1555         else if (p->orientation == PARTICLE_SPARK)
1556         {
1557                 VectorMA(p->org, -p->scaley, p->vel, v);
1558                 VectorMA(p->org, p->scaley, p->vel, up2);
1559                 R_CalcBeamVerts(varray_vertex, v, up2, p->scalex);
1560         }
1561         else if (p->orientation == PARTICLE_BEAM)
1562                 R_CalcBeamVerts(varray_vertex, p->org, p->vel2, p->scalex);
1563         else if (p->orientation == PARTICLE_ORIENTED_DOUBLESIDED)
1564         {
1565                 // double-sided
1566                 if (DotProduct(p->vel2, r_origin) > DotProduct(p->vel2, org))
1567                 {
1568                         VectorNegate(p->vel2, v);
1569                         VectorVectors(v, right, up);
1570                 }
1571                 else
1572                         VectorVectors(p->vel2, right, up);
1573                 VectorScale(right, p->scalex, right);
1574                 VectorScale(up, p->scaley, up);
1575                 varray_vertex[ 0] = org[0] + right[0] - up[0];
1576                 varray_vertex[ 1] = org[1] + right[1] - up[1];
1577                 varray_vertex[ 2] = org[2] + right[2] - up[2];
1578                 varray_vertex[ 4] = org[0] - right[0] - up[0];
1579                 varray_vertex[ 5] = org[1] - right[1] - up[1];
1580                 varray_vertex[ 6] = org[2] - right[2] - up[2];
1581                 varray_vertex[ 8] = org[0] - right[0] + up[0];
1582                 varray_vertex[ 9] = org[1] - right[1] + up[1];
1583                 varray_vertex[10] = org[2] - right[2] + up[2];
1584                 varray_vertex[12] = org[0] + right[0] + up[0];
1585                 varray_vertex[13] = org[1] + right[1] + up[1];
1586                 varray_vertex[14] = org[2] + right[2] + up[2];
1587         }
1588         else
1589                 Host_Error("R_DrawParticles: unknown particle orientation %i\n", p->orientation);
1590
1591         tex = &particletexture[p->texnum];
1592         cr = p->color[0] * (1.0f / 255.0f);
1593         cg = p->color[1] * (1.0f / 255.0f);
1594         cb = p->color[2] * (1.0f / 255.0f);
1595         ca = p->alpha * (1.0f / 255.0f);
1596
1597 #if WORKINGLQUAKE
1598         if (p->additive)
1599                 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
1600         else
1601                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1602         glBegin(GL_QUADS);
1603         glColor4f(cr, cg, cb, ca);
1604         glTexCoord2f(tex->s2, tex->t1);glVertex3f(varray_vertex[ 0], varray_vertex[ 1], varray_vertex[ 2]);
1605         glTexCoord2f(tex->s1, tex->t1);glVertex3f(varray_vertex[ 4], varray_vertex[ 5], varray_vertex[ 6]);
1606         glTexCoord2f(tex->s1, tex->t2);glVertex3f(varray_vertex[ 8], varray_vertex[ 9], varray_vertex[10]);
1607         glTexCoord2f(tex->s2, tex->t2);glVertex3f(varray_vertex[12], varray_vertex[13], varray_vertex[14]);
1608         glEnd();
1609 #else
1610         memset(&m, 0, sizeof(m));
1611         m.blendfunc1 = GL_SRC_ALPHA;
1612         if (p->additive)
1613                 m.blendfunc2 = GL_ONE;
1614         else
1615                 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1616         m.tex[0] = R_GetTexture(tex->texture);
1617         R_Mesh_Matrix(&r_identitymatrix);
1618         R_Mesh_State(&m);
1619
1620         if (fogenabled)
1621         {
1622                 VectorSubtract(org, r_origin, fogvec);
1623                 fog = exp(fogdensity/DotProduct(fogvec,fogvec));
1624                 ifog = 1 - fog;
1625                 cr = cr * ifog;
1626                 cg = cg * ifog;
1627                 cb = cb * ifog;
1628                 if (!p->additive)
1629                 {
1630                         cr += fogcolor[0] * fog;
1631                         cg += fogcolor[1] * fog;
1632                         cb += fogcolor[2] * fog;
1633                 }
1634         }
1635         cr *= r_colorscale;
1636         cg *= r_colorscale;
1637         cb *= r_colorscale;
1638
1639         if (p->orientation == PARTICLE_BEAM)
1640         {
1641                 VectorSubtract(p->vel2, p->org, up);
1642                 VectorNormalizeFast(up);
1643                 v[0] = DotProduct(p->org, up) * (1.0f / 64.0f) - cl.time * 0.25;
1644                 v[1] = DotProduct(p->vel2, up) * (1.0f / 64.0f) - cl.time * 0.25;
1645                 varray_texcoord[0][0] = 1;varray_texcoord[0][1] = v[0];
1646                 varray_texcoord[0][4] = 0;varray_texcoord[0][5] = v[0];
1647                 varray_texcoord[0][8] = 0;varray_texcoord[0][9] = v[1];
1648                 varray_texcoord[0][12] = 1;varray_texcoord[0][13] = v[1];
1649         }
1650         else
1651         {
1652                 varray_texcoord[0][0] = tex->s2;varray_texcoord[0][1] = tex->t1;
1653                 varray_texcoord[0][4] = tex->s1;varray_texcoord[0][5] = tex->t1;
1654                 varray_texcoord[0][8] = tex->s1;varray_texcoord[0][9] = tex->t2;
1655                 varray_texcoord[0][12] = tex->s2;varray_texcoord[0][13] = tex->t2;
1656         }
1657
1658         GL_Color(cr, cg, cb, ca);
1659         R_Mesh_Draw(4, 2, polygonelements);
1660 #endif
1661 }
1662
1663 void R_DrawParticles (void)
1664 {
1665         int i;
1666         float minparticledist;
1667         particle_t *p;
1668
1669 #ifdef WORKINGLQUAKE
1670         CL_MoveParticles();
1671 #endif
1672
1673         // LordHavoc: early out conditions
1674         if ((!cl_numparticles) || (!r_drawparticles.integer))
1675                 return;
1676
1677         minparticledist = DotProduct(r_origin, vpn) + 16.0f;
1678
1679 #ifdef WORKINGLQUAKE
1680         glBindTexture(GL_TEXTURE_2D, particlefonttexture);
1681         glEnable(GL_BLEND);
1682         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
1683         glDepthMask(0);
1684         // LordHavoc: only render if not too close
1685         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1686                 if (DotProduct(p->org, vpn) >= minparticledist)
1687                         R_DrawParticleCallback(p, 0);
1688         glDepthMask(1);
1689         glDisable(GL_BLEND);
1690         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1691 #else
1692         // LordHavoc: only render if not too close
1693         c_particles += cl_numparticles;
1694         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1695                 if (DotProduct(p->org, vpn) >= minparticledist || p->orientation == PARTICLE_BEAM)
1696                         R_MeshQueue_AddTransparent(p->org, R_DrawParticleCallback, p, 0);
1697 #endif
1698 }
1699