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