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                   32768   // 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, pt_decal
 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 #define PBLEND_ALPHA 0
 171 #define PBLEND_ADD 1
 172 #define PBLEND_MOD 2
 173
 174 typedef struct particle_s
 175 {
 176         ptype_t         type;
 177         int                     orientation;
 178         int                     texnum;
 179         int                     blendmode;
 180         vec3_t          org;
 181         vec3_t          vel;
 182         float           die;
 183         float           scalex;
 184         float           scaley;
 185         float           alpha; // 0-255
 186         float           alphafade; // how much alpha reduces per second
 187         float           time2; // used for various things (snow fluttering, for example)
 188         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)
 189         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
 190         vec3_t          oldorg;
 191         vec3_t          vel2; // used for snow fluttering (base velocity, wind for instance)
 192         float           friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
 193         float           pressure; // if non-zero, apply pressure to other particles
 194         qbyte           color[4];
 195 }
 196 particle_t;
 197
 198 static int particlepalette[256] =
 199 {
 200         0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
 201         0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
 202         0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
 203         0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
 204         0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
 205         0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
 206         0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
 207         0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
 208         0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
 209         0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
 210         0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
 211         0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
 212         0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
 213         0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
 214         0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
 215         0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
 216         0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
 217         0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
 218         0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
 219         0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
 220         0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
 221         0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
 222         0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
 223         0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
 224         0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
 225         0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
 226         0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
 227         0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
 228         0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
 229         0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
 230         0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
 231         0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
 232 };
 233
 234 //static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
 235
 236 // texture numbers in particle font
 237 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
 238 static const int tex_rainsplash[16] = {8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23};
 239 static const int tex_particle = 24;
 240 static const int tex_raindrop = 25;
 241 static const int tex_bubble = 26;
 242 static const int tex_beam = 27;
 243 static const int tex_blooddecal[8] = {32, 33, 34, 35, 36, 37, 38, 39};
 244
 245 static int                      cl_maxparticles;
 246 static int                      cl_numparticles;
 247 static particle_t       *particles;
 248 static particle_t       **freeparticles; // list used only in compacting particles array
 249
 250 cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
 251 cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
 252 cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
 253 cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
 254 cvar_t cl_particles_blood_size = {CVAR_SAVE, "cl_particles_blood_size", "8"};
 255 cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "0.5"};
 256 cvar_t cl_particles_bulletimpacts = {CVAR_SAVE, "cl_particles_bulletimpacts", "1"};
 257 cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
 258 cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
 259 cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
 260 cvar_t cl_decals = {CVAR_SAVE, "cl_decals", "0"};
 261 cvar_t cl_decals_time = {CVAR_SAVE, "cl_decals_time", "0"};
 262 cvar_t cl_decals_fadetime = {CVAR_SAVE, "cl_decals_fadetime", "20"};
 263
 264 #ifndef WORKINGLQUAKE
 265 static mempool_t *cl_part_mempool;
 266 #endif
 267
 268 void CL_Particles_Clear(void)
 269 {
 270         cl_numparticles = 0;
 271 }
 272
 273 /*
 274 ===============
 275 CL_InitParticles
 276 ===============
 277 */
 278 void CL_ReadPointFile_f (void);
 279 void CL_Particles_Init (void)
 280 {
 281         int             i;
 282
 283         i = COM_CheckParm ("-particles");
 284
 285         if (i && i < com_argc - 1)
 286         {
 287                 cl_maxparticles = (int)(atoi(com_argv[i+1]));
 288                 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
 289                         cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
 290         }
 291         else
 292                 cl_maxparticles = MAX_PARTICLES;
 293
 294         Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
 295
 296         Cvar_RegisterVariable (&cl_particles);
 297         Cvar_RegisterVariable (&cl_particles_size);
 298         Cvar_RegisterVariable (&cl_particles_bloodshowers);
 299         Cvar_RegisterVariable (&cl_particles_blood);
 300         Cvar_RegisterVariable (&cl_particles_blood_size);
 301         Cvar_RegisterVariable (&cl_particles_blood_alpha);
 302         Cvar_RegisterVariable (&cl_particles_bulletimpacts);
 303         Cvar_RegisterVariable (&cl_particles_smoke);
 304         Cvar_RegisterVariable (&cl_particles_sparks);
 305         Cvar_RegisterVariable (&cl_particles_bubbles);
 306         Cvar_RegisterVariable (&cl_decals);
 307         Cvar_RegisterVariable (&cl_decals_time);
 308         Cvar_RegisterVariable (&cl_decals_fadetime);
 309
 310 #ifdef WORKINGLQUAKE
 311         particles = (particle_t *) Hunk_AllocName(cl_maxparticles * sizeof(particle_t), "particles");
 312         freeparticles = (void *) Hunk_AllocName(cl_maxparticles * sizeof(particle_t *), "particles");
 313 #else
 314         cl_part_mempool = Mem_AllocPool("CL_Part");
 315         particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
 316         freeparticles = (void *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t *));
 317 #endif
 318         cl_numparticles = 0;
 319 }
 320
 321 #define particle(ptype, porientation, pcolor1, pcolor2, ptex, plight, pblendmode, pscalex, pscaley, palpha, palphafade, ptime, pgravity, pbounce, px, py, pz, pvx, pvy, pvz, ptime2, pvx2, pvy2, pvz2, pfriction, ppressure)\
 322 {\
 323         if (cl_numparticles < cl_maxparticles)\
 324         {\
 325                 particle_t      *part;\
 326                 int ptempcolor, ptempcolor2, pcr1, pcg1, pcb1, pcr2, pcg2, pcb2;\
 327                 ptempcolor = (pcolor1);\
 328                 ptempcolor2 = (pcolor2);\
 329                 pcr2 = ((ptempcolor2) >> 16) & 0xFF;\
 330                 pcg2 = ((ptempcolor2) >> 8) & 0xFF;\
 331                 pcb2 = (ptempcolor2) & 0xFF;\
 332                 if (ptempcolor != ptempcolor2)\
 333                 {\
 334                         pcr1 = ((ptempcolor) >> 16) & 0xFF;\
 335                         pcg1 = ((ptempcolor) >> 8) & 0xFF;\
 336                         pcb1 = (ptempcolor) & 0xFF;\
 337                         ptempcolor = rand() & 0xFF;\
 338                         pcr2 = (((pcr2 - pcr1) * ptempcolor) >> 8) + pcr1;\
 339                         pcg2 = (((pcg2 - pcg1) * ptempcolor) >> 8) + pcg1;\
 340                         pcb2 = (((pcb2 - pcb1) * ptempcolor) >> 8) + pcb1;\
 341                 }\
 342                 part = &particles[cl_numparticles++];\
 343                 part->type = (ptype);\
 344                 part->color[0] = pcr2;\
 345                 part->color[1] = pcg2;\
 346                 part->color[2] = pcb2;\
 347                 part->color[3] = 0xFF;\
 348                 part->orientation = porientation;\
 349                 part->texnum = ptex;\
 350                 part->blendmode = pblendmode;\
 351                 part->scalex = (pscalex);\
 352                 part->scaley = (pscaley);\
 353                 part->alpha = (palpha);\
 354                 part->alphafade = (palphafade);\
 355                 part->die = cl.time + (ptime);\
 356                 part->gravity = (pgravity);\
 357                 part->bounce = (pbounce);\
 358                 part->org[0] = (px);\
 359                 part->org[1] = (py);\
 360                 part->org[2] = (pz);\
 361                 part->vel[0] = (pvx);\
 362                 part->vel[1] = (pvy);\
 363                 part->vel[2] = (pvz);\
 364                 part->time2 = (ptime2);\
 365                 part->vel2[0] = (pvx2);\
 366                 part->vel2[1] = (pvy2);\
 367                 part->vel2[2] = (pvz2);\
 368                 part->friction = (pfriction);\
 369                 part->pressure = (ppressure);\
 370         }\
 371 }
 372
 373 /*
 374 ===============
 375 CL_EntityParticles
 376 ===============
 377 */
 378 void CL_EntityParticles (entity_t *ent)
 379 {
 380         int                     i;
 381         float           angle;
 382         float           sp, sy, cp, cy;
 383         vec3_t          forward;
 384         float           dist;
 385         float           beamlength;
 386         static vec3_t avelocities[NUMVERTEXNORMALS];
 387         if (!cl_particles.integer) return;
 388
 389         dist = 64;
 390         beamlength = 16;
 391
 392         if (!avelocities[0][0])
 393                 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
 394                         avelocities[0][i] = (rand()&255) * 0.01;
 395
 396         for (i=0 ; i<NUMVERTEXNORMALS ; i++)
 397         {
 398                 angle = cl.time * avelocities[i][0];
 399                 sy = sin(angle);
 400                 cy = cos(angle);
 401                 angle = cl.time * avelocities[i][1];
 402                 sp = sin(angle);
 403                 cp = cos(angle);
 404
 405                 forward[0] = cp*cy;
 406                 forward[1] = cp*sy;
 407                 forward[2] = -sp;
 408
 409 #ifdef WORKINGLQUAKE
 410                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, PBLEND_ALPHA, 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);
 411 #else
 412                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, PBLEND_ALPHA, 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);
 413 #endif
 414         }
 415 }
 416
 417
 418 void CL_ReadPointFile_f (void)
 419 {
 420         vec3_t  org;
 421         int             r, c;
 422         char    *pointfile = NULL, *pointfilepos, *t, tchar;
 423 #if WORKINGLQUAKE
 424         char    name[MAX_OSPATH];
 425
 426         sprintf (name,"maps/%s.pts", cl.worldmodel->name);
 427         COM_FOpenFile (name, &f);
 428         if (f)
 429         {
 430                 int pointfilelength;
 431                 fseek(f, 0, SEEK_END);
 432                 pointfilelength = ftell(f);
 433                 fseek(f, 0, SEEK_SET);
 434                 pointfile = malloc(pointfilelength + 1);
 435                 fread(pointfile, 1, pointfilelength, f);
 436                 pointfile[pointfilelength] = 0;
 437                 fclose(f);
 438         }
 439 #else
 440         pointfile = COM_LoadFile(va("maps/%s.pts", cl.worldmodel->name), true);
 441 #endif
 442         if (!pointfile)
 443         {
 444                 Con_Printf ("couldn't open %s.pts\n", cl.worldmodel->name);
 445                 return;
 446         }
 447
 448         Con_Printf ("Reading %s.pts...\n", cl.worldmodel->name);
 449         c = 0;
 450         pointfilepos = pointfile;
 451         while (*pointfilepos)
 452         {
 453                 while (*pointfilepos == '\n' || *pointfilepos == '\r')
 454                         pointfilepos++;
 455                 if (!*pointfilepos)
 456                         break;
 457                 t = pointfilepos;
 458                 while (*t && *t != '\n' && *t != '\r')
 459                         t++;
 460                 tchar = *t;
 461                 *t = 0;
 462                 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
 463                 *t = tchar;
 464                 pointfilepos = t;
 465                 if (r != 3)
 466                         break;
 467                 c++;
 468
 469                 if (cl_numparticles >= cl_maxparticles)
 470                 {
 471                         Con_Printf ("Not enough free particles\n");
 472                         break;
 473                 }
 474                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[(-c)&15], particlepalette[(-c)&15], tex_particle, false, PBLEND_ALPHA, 2, 2, 255, 0, 99999, 0, 0, org[0], org[1], org[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
 475         }
 476
 477 #ifdef WORKINGLQUAKE
 478         free(pointfile);
 479 #else
 480         Mem_Free(pointfile);
 481 #endif
 482         Con_Printf ("%i points read\n", c);
 483 }
 484
 485 /*
 486 ===============
 487 CL_ParseParticleEffect
 488
 489 Parse an effect out of the server message
 490 ===============
 491 */
 492 void CL_ParseParticleEffect (void)
 493 {
 494         vec3_t org, dir;
 495         int i, count, msgcount, color;
 496
 497         for (i=0 ; i<3 ; i++)
 498                 org[i] = MSG_ReadCoord ();
 499         for (i=0 ; i<3 ; i++)
 500                 dir[i] = MSG_ReadChar () * (1.0/16);
 501         msgcount = MSG_ReadByte ();
 502         color = MSG_ReadByte ();
 503
 504         if (msgcount == 255)
 505                 count = 1024;
 506         else
 507                 count = msgcount;
 508
 509         CL_RunParticleEffect (org, dir, color, count);
 510 }
 511
 512 /*
 513 ===============
 514 CL_ParticleExplosion
 515
 516 ===============
 517 */
 518 void CL_ParticleExplosion (vec3_t org)
 519 {
 520         int i, k;
 521         //vec3_t v;
 522         //vec3_t v2;
 523         if (cl_stainmaps.integer)
 524                 R_Stain(org, 96, 80, 80, 80, 64, 176, 176, 176, 64);
 525
 526         i = Mod_PointContents(org, cl.worldmodel);
 527         if ((i == CONTENTS_SLIME || i == CONTENTS_WATER) && cl_particles.integer && cl_particles_bubbles.integer)
 528         {
 529                 for (i = 0;i < 128;i++)
 530                 {
 531                         particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, PBLEND_ADD, 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);
 532                 }
 533         }
 534         else
 535         {
 536                 /*
 537                 // LordHavoc: smoke effect similar to UT2003, chews fillrate too badly up close
 538                 // smoke puff
 539                 if (cl_particles_smoke.integer)
 540                 {
 541                         for (i = 0;i < 64;i++)
 542                         {
 543 #ifdef WORKINGLQUAKE
 544                                 v2[0] = lhrandom(-64, 64);
 545                                 v2[1] = lhrandom(-64, 64);
 546                                 v2[2] = lhrandom(-8, 24);
 547 #else
 548                                 for (k = 0;k < 16;k++)
 549                                 {
 550                                         v[0] = org[0] + lhrandom(-64, 64);
 551                                         v[1] = org[1] + lhrandom(-64, 64);
 552                                         v[2] = org[2] + lhrandom(-8, 24);
 553                                         if (CL_TraceLine(org, v, v2, NULL, 0, true, NULL) >= 0.1)
 554                                                 break;
 555                                 }
 556                                 VectorSubtract(v2, org, v2);
 557 #endif
 558                                 VectorScale(v2, 2.0f, v2);
 559                                 particle(pt_static, PARTICLE_BILLBOARD, 0x101010, 0x202020, tex_smoke[rand()&7], true, PBLEND_ADD, 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);
 560                         }
 561                 }
 562                 */
 563
 564                 if (cl_particles_sparks.integer)
 565                 {
 566                         // sparks
 567                         for (i = 0;i < 256;i++)
 568                         {
 569                                 k = particlepalette[0x68 + (rand() & 7)];
 570                                 particle(pt_static, PARTICLE_SPARK, k, k, tex_particle, false, PBLEND_ADD, 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);
 571                         }
 572                 }
 573         }
 574
 575         if (cl_explosions.integer)
 576                 R_NewExplosion(org);
 577 }
 578
 579 /*
 580 ===============
 581 CL_ParticleExplosion2
 582
 583 ===============
 584 */
 585 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
 586 {
 587         int i, k;
 588         if (!cl_particles.integer) return;
 589
 590         for (i = 0;i < 512;i++)
 591         {
 592                 k = particlepalette[colorStart + (i % colorLength)];
 593                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ALPHA, 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);
 594         }
 595 }
 596
 597 /*
 598 ===============
 599 CL_BlobExplosion
 600
 601 ===============
 602 */
 603 void CL_BlobExplosion (vec3_t org)
 604 {
 605         if (cl_stainmaps.integer)
 606                 R_Stain(org, 96, 80, 80, 80, 64, 176, 176, 176, 64);
 607
 608         if (cl_explosions.integer)
 609                 R_NewExplosion(org);
 610 }
 611
 612 /*
 613 ===============
 614 CL_RunParticleEffect
 615
 616 ===============
 617 */
 618 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
 619 {
 620         int k;
 621
 622         if (count == 1024)
 623         {
 624                 CL_ParticleExplosion(org);
 625                 return;
 626         }
 627         if (!cl_particles.integer) return;
 628         while (count--)
 629         {
 630                 k = particlepalette[color + (rand()&7)];
 631                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ALPHA, 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);
 632         }
 633 }
 634
 635 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
 636 /*
 637 ===============
 638 CL_SparkShower
 639 ===============
 640 */
 641 void CL_SparkShower (vec3_t org, vec3_t dir, int count)
 642 {
 643         int k;
 644         if (!cl_particles.integer) return;
 645
 646         if (cl_stainmaps.integer)
 647                 R_Stain(org, 32, 96, 96, 96, 24, 128, 128, 128, 24);
 648
 649         if (cl_particles_bulletimpacts.integer)
 650         {
 651                 // smoke puff
 652                 if (cl_particles_smoke.integer)
 653                 {
 654                         k = count / 4;
 655                         while(k--)
 656                         {
 657                                 particle(pt_grow, PARTICLE_BILLBOARD, 0x101010, 0x202020, tex_smoke[rand()&7], true, PBLEND_ADD, 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);
 658                         }
 659                 }
 660
 661                 if (cl_particles_sparks.integer)
 662                 {
 663                         // sparks
 664                         while(count--)
 665                         {
 666                                 k = particlepalette[0x68 + (rand() & 7)];
 667                                 particle(pt_static, PARTICLE_SPARK, k, k, tex_particle, false, PBLEND_ADD, 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);
 668                         }
 669                 }
 670         }
 671 }
 672
 673 void CL_PlasmaBurn (vec3_t org)
 674 {
 675         if (cl_stainmaps.integer)
 676                 R_Stain(org, 48, 96, 96, 96, 32, 128, 128, 128, 32);
 677 }
 678
 679 static float bloodcount = 0;
 680 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
 681 {
 682         float s, r, a;
 683         // bloodcount is used to accumulate counts too small to cause a blood particle
 684         if (!cl_particles.integer) return;
 685         if (!cl_particles_blood.integer) return;
 686
 687         s = count + 32.0f;
 688         count *= 5.0f;
 689         if (count > 1000)
 690                 count = 1000;
 691         bloodcount += count;
 692         r = cl_particles_blood_size.value;
 693         a = cl_particles_blood_alpha.value * 255;
 694         while(bloodcount > 0)
 695         {
 696                 particle(pt_blood, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_blooddecal[rand()&7], true, PBLEND_MOD, r, r, a * 3, a * 1.5, 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);
 697                 //particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, PBLEND_ALPHA, 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);
 698                 bloodcount -= r;
 699         }
 700 }
 701
 702 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
 703 {
 704         float r;
 705         float a;
 706         vec3_t diff, center, velscale;
 707         if (!cl_particles.integer) return;
 708         if (!cl_particles_bloodshowers.integer) return;
 709         if (!cl_particles_blood.integer) return;
 710
 711         VectorSubtract(maxs, mins, diff);
 712         center[0] = (mins[0] + maxs[0]) * 0.5;
 713         center[1] = (mins[1] + maxs[1]) * 0.5;
 714         center[2] = (mins[2] + maxs[2]) * 0.5;
 715         // FIXME: change velspeed back to 2.0x after fixing mod
 716         velscale[0] = velspeed * 2.0 / diff[0];
 717         velscale[1] = velspeed * 2.0 / diff[1];
 718         velscale[2] = velspeed * 2.0 / diff[2];
 719
 720         bloodcount += count * 5.0f;
 721         r = cl_particles_blood_size.value;
 722         a = cl_particles_blood_alpha.value * 255;
 723         while (bloodcount > 0)
 724         {
 725                 vec3_t org, vel;
 726                 org[0] = lhrandom(mins[0], maxs[0]);
 727                 org[1] = lhrandom(mins[1], maxs[1]);
 728                 org[2] = lhrandom(mins[2], maxs[2]);
 729                 vel[0] = (org[0] - center[0]) * velscale[0];
 730                 vel[1] = (org[1] - center[1]) * velscale[1];
 731                 vel[2] = (org[2] - center[2]) * velscale[2];
 732                 bloodcount -= r;
 733                 particle(pt_blood, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_blooddecal[rand()&7], true, PBLEND_MOD, r, r, a * 3, a * 1.5, 9999, 0, -1, org[0], org[1], org[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, 1, 0);
 734                 //particle(pt_blood, PARTICLE_BILLBOARD, 0x000000, 0x200000, tex_smoke[rand()&7], true, PBLEND_ALPHA, 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);
 735         }
 736 }
 737
 738 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
 739 {
 740         int k;
 741         float t;
 742         if (!cl_particles.integer) return;
 743         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 744         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 745         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 746
 747         while (count--)
 748         {
 749                 k = particlepalette[colorbase + (rand()&3)];
 750                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ALPHA, 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);
 751         }
 752 }
 753
 754 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
 755 {
 756         int k;
 757         float t, z, minz, maxz;
 758         if (!cl_particles.integer) return;
 759         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 760         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 761         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 762         if (dir[2] < 0) // falling
 763         {
 764                 t = (maxs[2] - mins[2]) / -dir[2];
 765                 z = maxs[2];
 766         }
 767         else // rising??
 768         {
 769                 t = (maxs[2] - mins[2]) / dir[2];
 770                 z = mins[2];
 771         }
 772         if (t < 0 || t > 2) // sanity check
 773                 t = 2;
 774
 775         minz = z - fabs(dir[2]) * 0.1;
 776         maxz = z + fabs(dir[2]) * 0.1;
 777         minz = bound(mins[2], minz, maxs[2]);
 778         maxz = bound(mins[2], maxz, maxs[2]);
 779
 780         switch(type)
 781         {
 782         case 0:
 783                 count *= 4; // ick, this should be in the mod or maps?
 784
 785                 while(count--)
 786                 {
 787                         k = particlepalette[colorbase + (rand()&3)];
 788                         particle(pt_rain, PARTICLE_SPARK, k, k, tex_particle, true, PBLEND_ADD, 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);
 789                 }
 790                 break;
 791         case 1:
 792                 while(count--)
 793                 {
 794                         k = particlepalette[colorbase + (rand()&3)];
 795                         particle(pt_rain, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 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);
 796                 }
 797                 break;
 798         default:
 799                 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
 800         }
 801 }
 802
 803 void CL_Stardust (vec3_t mins, vec3_t maxs, int count)
 804 {
 805         int k;
 806         float t;
 807         vec3_t o, v, center;
 808         if (!cl_particles.integer) return;
 809
 810         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 811         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 812         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 813
 814         center[0] = (mins[0] + maxs[0]) * 0.5f;
 815         center[1] = (mins[1] + maxs[1]) * 0.5f;
 816         center[2] = (mins[2] + maxs[2]) * 0.5f;
 817
 818         while (count--)
 819         {
 820                 k = particlepalette[224 + (rand()&15)];
 821                 o[0] = lhrandom(mins[0], maxs[0]);
 822                 o[1] = lhrandom(mins[1], maxs[1]);
 823                 o[2] = lhrandom(mins[2], maxs[2]);
 824                 VectorSubtract(o, center, v);
 825                 VectorNormalizeFast(v);
 826                 VectorScale(v, 100, v);
 827                 v[2] += sv_gravity.value * 0.15f;
 828                 particle(pt_static, PARTICLE_BILLBOARD, 0x903010, 0xFFD030, tex_particle, false, PBLEND_ADD, 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);
 829         }
 830 }
 831
 832 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
 833 {
 834         int k;
 835         float t;
 836         if (!cl_particles.integer) return;
 837         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 838         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 839         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 840
 841         while (count--)
 842         {
 843                 k = particlepalette[224 + (rand()&15)];
 844                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 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);
 845                 if (count & 1)
 846                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, PBLEND_ADD, 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);
 847         }
 848 }
 849
 850 void CL_Flames (vec3_t org, vec3_t vel, int count)
 851 {
 852         int k;
 853         if (!cl_particles.integer) return;
 854
 855         while (count--)
 856         {
 857                 k = particlepalette[224 + (rand()&15)];
 858                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 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);
 859         }
 860 }
 861
 862
 863
 864 /*
 865 ===============
 866 CL_LavaSplash
 867
 868 ===============
 869 */
 870 void CL_LavaSplash (vec3_t origin)
 871 {
 872         int                     i, j, k;
 873         float           vel;
 874         vec3_t          dir, org;
 875         if (!cl_particles.integer) return;
 876
 877         for (i=-128 ; i<128 ; i+=16)
 878         {
 879                 for (j=-128 ; j<128 ; j+=16)
 880                 {
 881                         dir[0] = j + lhrandom(0, 8);
 882                         dir[1] = i + lhrandom(0, 8);
 883                         dir[2] = 256;
 884                         org[0] = origin[0] + dir[0];
 885                         org[1] = origin[1] + dir[1];
 886                         org[2] = origin[2] + lhrandom(0, 64);
 887                         vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
 888                         k = particlepalette[224 + (rand()&7)];
 889                         particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 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);
 890                 }
 891         }
 892 }
 893
 894 /*
 895 ===============
 896 CL_TeleportSplash
 897
 898 ===============
 899 */
 900 #if WORKINGLQUAKE
 901 void R_TeleportSplash (vec3_t org)
 902 {
 903         int i, j, k;
 904         if (!cl_particles.integer) return;
 905
 906         for (i=-16 ; i<16 ; i+=8)
 907                 for (j=-16 ; j<16 ; j+=8)
 908                         for (k=-24 ; k<32 ; k+=8)
 909                                 particle(pt_static, PARTICLE_BILLBOARD, 0xA0A0A0, 0xFFFFFF, tex_particle, false, PBLEND_ADD, 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);
 910 }
 911 #endif
 912
 913 #ifdef WORKINGLQUAKE
 914 void R_RocketTrail (vec3_t start, vec3_t end, int type)
 915 #else
 916 void CL_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent)
 917 #endif
 918 {
 919         vec3_t vec, dir, vel, pos;
 920         float len, dec, speed, r;
 921         int contents, smoke, blood, bubbles;
 922
 923         VectorSubtract(end, start, dir);
 924         VectorNormalize(dir);
 925
 926         VectorSubtract (end, start, vec);
 927 #ifdef WORKINGLQUAKE
 928         len = VectorNormalize (vec);
 929         dec = 0;
 930         speed = 1.0f / cl.frametime;
 931         VectorSubtract(end, start, vel);
 932 #else
 933         len = VectorNormalizeLength (vec);
 934         dec = -ent->persistent.trail_time;
 935         ent->persistent.trail_time += len;
 936         if (ent->persistent.trail_time < 0.01f)
 937                 return;
 938
 939         // if we skip out, leave it reset
 940         ent->persistent.trail_time = 0.0f;
 941
 942         speed = 1.0f / (ent->state_current.time - ent->state_previous.time);
 943         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, vel);
 944 #endif
 945         VectorScale(vel, speed, vel);
 946
 947         // advance into this frame to reach the first puff location
 948         VectorMA(start, dec, vec, pos);
 949         len -= dec;
 950
 951         contents = Mod_PointContents(pos, cl.worldmodel);
 952         if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
 953                 return;
 954
 955         smoke = cl_particles.integer && cl_particles_smoke.integer;
 956         blood = cl_particles.integer && cl_particles_blood.integer;
 957         bubbles = cl_particles.integer && cl_particles_bubbles.integer && (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
 958
 959         while (len >= 0)
 960         {
 961                 switch (type)
 962                 {
 963                         case 0: // rocket trail
 964                                 dec = 3;
 965                                 if (smoke)
 966                                 {
 967                                         particle(pt_grow,   PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, PBLEND_ADD, 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);
 968                                         particle(pt_static, PARTICLE_BILLBOARD, 0x801010, 0xFFA020, tex_smoke[rand()&7], false, PBLEND_ADD, 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);
 969                                 }
 970                                 if (bubbles)
 971                                 {
 972                                         r = lhrandom(1, 2);
 973                                         particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, PBLEND_ADD, 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);
 974                                 }
 975                                 break;
 976
 977                         case 1: // grenade trail
 978                                 // FIXME: make it gradually stop smoking
 979                                 dec = 3;
 980                                 if (cl_particles.integer && cl_particles_smoke.integer)
 981                                 {
 982                                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, PBLEND_ADD, 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);
 983                                 }
 984                                 break;
 985
 986
 987                         case 2: // blood
 988                         case 4: // slight blood
 989                                 dec = cl_particles_blood_size.value;
 990                                 if (blood)
 991                                 {
 992                                         particle(pt_blood, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_blooddecal[rand()&7], true, PBLEND_MOD, dec, dec, cl_particles_blood_alpha.value * 255.0f * 3.0f, cl_particles_blood_alpha.value * 255.0f * 0.5f * 1.5f, 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);
 993                                         //particle(pt_blood, PARTICLE_BILLBOARD, 0x100000, 0x280000, tex_smoke[rand()&7], true, PBLEND_ALPHA, 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);
 994                                 }
 995                                 break;
 996
 997                         case 3: // green tracer
 998                                 dec = 6;
 999                                 if (smoke)
1000                                 {
1001                                         particle(pt_static, PARTICLE_BILLBOARD, 0x002000, 0x003000, tex_particle, false, PBLEND_ADD, 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);
1002                                 }
1003                                 break;
1004
1005                         case 5: // flame tracer
1006                                 dec = 6;
1007                                 if (smoke)
1008                                 {
1009                                         particle(pt_static, PARTICLE_BILLBOARD, 0x301000, 0x502000, tex_particle, false, PBLEND_ADD, 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);
1010                                 }
1011                                 break;
1012
1013                         case 6: // voor trail
1014                                 dec = 6;
1015                                 if (smoke)
1016                                 {
1017                                         particle(pt_static, PARTICLE_BILLBOARD, 0x502030, 0x502030, tex_particle, false, PBLEND_ADD, 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);
1018                                 }
1019                                 break;
1020
1021                         case 7: // Nehahra smoke tracer
1022                                 dec = 7;
1023                                 if (smoke)
1024                                 {
1025                                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], true, PBLEND_ALPHA, 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);
1026                                 }
1027                                 break;
1028                         case 8: // Nexiuz plasma trail
1029                                 dec = 4;
1030                                 if (smoke)
1031                                 {
1032                                         //particle(pt_static, PARTICLE_BILLBOARD, 0x2030FF, 0x80C0FF, tex_particle, false, PBLEND_ADD, 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);
1033                                         particle(pt_static, PARTICLE_BILLBOARD, 0x283880, 0x283880, tex_particle, false, PBLEND_ADD, dec, dec, 255, 1024, 9999, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
1034                                 }
1035                 }
1036
1037                 // advance to next time and position
1038                 len -= dec;
1039                 VectorMA (pos, dec, vec, pos);
1040         }
1041 #ifndef WORKINGLQUAKE
1042         ent->persistent.trail_time = len;
1043 #endif
1044 }
1045
1046 void CL_RocketTrail2 (vec3_t start, vec3_t end, int color, entity_t *ent)
1047 {
1048         vec3_t vec, pos;
1049         int len;
1050         if (!cl_particles.integer) return;
1051         if (!cl_particles_smoke.integer) return;
1052
1053         VectorCopy(start, pos);
1054         VectorSubtract (end, start, vec);
1055 #ifdef WORKINGLQUAKE
1056         len = (int) (VectorNormalize (vec) * (1.0f / 3.0f));
1057 #else
1058         len = (int) (VectorNormalizeLength (vec) * (1.0f / 3.0f));
1059 #endif
1060         VectorScale(vec, 3, vec);
1061         color = particlepalette[color];
1062         while (len--)
1063         {
1064                 particle(pt_static, PARTICLE_BILLBOARD, color, color, tex_particle, false, PBLEND_ALPHA, 5, 5, 128, 320, 9999, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
1065                 VectorAdd (pos, vec, pos);
1066         }
1067 }
1068
1069 void CL_BeamParticle (const vec3_t start, const vec3_t end, vec_t radius, float red, float green, float blue, float alpha, float lifetime)
1070 {
1071         int tempcolor2, cr, cg, cb;
1072         cr = red * 255;
1073         cg = green * 255;
1074         cb = blue * 255;
1075         tempcolor2 = (bound(0, cr, 255) << 16) | (bound(0, cg, 255) << 8) | bound(0, cb, 255);
1076         particle(pt_static, PARTICLE_BEAM, tempcolor2, tempcolor2, tex_beam, false, PBLEND_ADD, 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);
1077 }
1078
1079 void CL_Tei_Smoke(const vec3_t org, const vec3_t dir, int count)
1080 {
1081         int k;
1082         if (!cl_particles.integer) return;
1083
1084         // smoke puff
1085         if (cl_particles_smoke.integer)
1086         {
1087                 k = count / 4;
1088                 while(k--)
1089                 {
1090                         particle(pt_grow, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, PBLEND_ADD, 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);
1091                 }
1092         }
1093 }
1094
1095 void CL_Tei_PlasmaHit(const vec3_t org, const vec3_t dir, int count)
1096 {
1097         int k;
1098         if (!cl_particles.integer) return;
1099
1100         if (cl_stainmaps.integer)
1101                 R_Stain(org, 40, 96, 96, 96, 40, 128, 128, 128, 40);
1102
1103         // smoke puff
1104         if (cl_particles_smoke.integer)
1105         {
1106                 k = count / 4;
1107                 while(k--)
1108                 {
1109                         particle(pt_grow, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, PBLEND_ADD, 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);
1110                 }
1111         }
1112
1113         if (cl_particles_sparks.integer)
1114         {
1115                 // sparks
1116                 while(count--)
1117                 {
1118                         particle(pt_static, PARTICLE_SPARK, 0x2030FF, 0x80C0FF, tex_particle, false, PBLEND_ADD, 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);
1119                 }
1120         }
1121 }
1122
1123 /*
1124 ===============
1125 CL_MoveParticles
1126 ===============
1127 */
1128 void CL_MoveParticles (void)
1129 {
1130         particle_t *p;
1131         int i, activeparticles, maxparticle, j, a, pressureused = false, content;
1132         float gravity, dvel, bloodwaterfade, frametime, f, dist, normal[3], v[3], org[3];
1133
1134         // LordHavoc: early out condition
1135         if (!cl_numparticles)
1136                 return;
1137
1138 #ifdef WORKINGLQUAKE
1139         frametime = cl.frametime;
1140 #else
1141         frametime = cl.time - cl.oldtime;
1142 #endif
1143         gravity = frametime * sv_gravity.value;
1144         dvel = 1+4*frametime;
1145         bloodwaterfade = max(cl_particles_blood_alpha.value, 0.01f) * frametime * 128.0f;
1146
1147         activeparticles = 0;
1148         maxparticle = -1;
1149         j = 0;
1150         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1151         {
1152                 content = 0;
1153                 VectorCopy(p->org, p->oldorg);
1154                 VectorMA(p->org, frametime, p->vel, p->org);
1155                 VectorCopy(p->org, org);
1156 #ifndef WORKINGLQUAKE
1157                 if (p->bounce)
1158                 {
1159                         if (CL_TraceLine(p->oldorg, p->org, v, normal, 0, true, NULL) < 1)
1160                         {
1161                                 VectorCopy(v, p->org);
1162                                 if (p->bounce < 0)
1163                                 {
1164                                         // assume it's blood (lame, but...)
1165                                         if (cl_stainmaps.integer)
1166                                                 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));
1167                                         if (cl_decals.integer)
1168                                         {
1169                                                 p->type = pt_decal;
1170                                                 p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1171                                                 p->time2 = cl.time + cl_decals_time.value;
1172                                                 p->die = p->time2 + cl_decals_fadetime.value;
1173                                                 p->alphafade = 0;
1174                                                 VectorCopy(normal, p->vel2);
1175                                                 VectorClear(p->vel);
1176                                                 VectorAdd(p->org, normal, p->org);
1177                                                 p->bounce = 0;
1178                                                 p->friction = 0;
1179                                                 p->gravity = 0;
1180                                                 p->scalex *= 1.25f;
1181                                                 p->scaley *= 1.25f;
1182                                         }
1183                                         else
1184                                         {
1185                                                 p->die = -1;
1186                                                 freeparticles[j++] = p;
1187                                                 continue;
1188                                         }
1189                                 }
1190                                 else
1191                                 {
1192                                         dist = DotProduct(p->vel, normal) * -p->bounce;
1193                                         VectorMA(p->vel, dist, normal, p->vel);
1194                                         if (DotProduct(p->vel, p->vel) < 0.03)
1195                                                 VectorClear(p->vel);
1196                                 }
1197                         }
1198                 }
1199 #endif
1200                 p->vel[2] -= p->gravity * gravity;
1201                 p->alpha -= p->alphafade * frametime;
1202                 if (p->friction)
1203                 {
1204                         f = p->friction * frametime;
1205                         if (!content)
1206                                 content = Mod_PointContents(p->org, cl.worldmodel);
1207                         if (content != CONTENTS_EMPTY)
1208                                 f *= 4;
1209                         f = 1.0f - f;
1210                         VectorScale(p->vel, f, p->vel);
1211                 }
1212
1213                 if (p->type != pt_static)
1214                 {
1215                         switch (p->type)
1216                         {
1217                         case pt_blood:
1218                                 if (!content)
1219                                         content = Mod_PointContents(p->org, cl.worldmodel);
1220                                 a = content;
1221                                 if (a != CONTENTS_EMPTY)
1222                                 {
1223                                         if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
1224                                         {
1225                                                 p->scalex += frametime * cl_particles_blood_size.value;
1226                                                 p->scaley += frametime * cl_particles_blood_size.value;
1227                                                 //p->alpha -= bloodwaterfade;
1228                                         }
1229                                         else
1230                                                 p->die = -1;
1231                                 }
1232                                 else
1233                                         p->vel[2] -= gravity;
1234                                 break;
1235                         case pt_bubble:
1236                                 if (!content)
1237                                         content = Mod_PointContents(p->org, cl.worldmodel);
1238                                 if (content != CONTENTS_WATER && content != CONTENTS_SLIME)
1239                                 {
1240                                         p->die = -1;
1241                                         break;
1242                                 }
1243                                 break;
1244                         case pt_rain:
1245                                 if (cl.time > p->time2)
1246                                 {
1247                                         // snow flutter
1248                                         p->time2 = cl.time + (rand() & 3) * 0.1;
1249                                         p->vel[0] = lhrandom(-32, 32) + p->vel2[0];
1250                                         p->vel[1] = lhrandom(-32, 32) + p->vel2[1];
1251                                         p->vel[2] = /*lhrandom(-32, 32) +*/ p->vel2[2];
1252                                 }
1253                                 if (!content)
1254                                         content = Mod_PointContents(p->org, cl.worldmodel);
1255                                 a = content;
1256                                 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1257                                         p->die = -1;
1258                                 break;
1259                         case pt_grow:
1260                                 p->scalex += frametime * p->time2;
1261                                 p->scaley += frametime * p->time2;
1262                                 break;
1263                         case pt_decal:
1264                                 if (cl.time > p->time2)
1265                                 {
1266                                         p->alphafade = p->alpha / (p->die - cl.time);
1267                                         p->time2 += 10000;
1268                                 }
1269                                 break;
1270                         default:
1271                                 printf("unknown particle type %i\n", p->type);
1272                                 p->die = -1;
1273                                 break;
1274                         }
1275                 }
1276
1277                 // remove dead particles
1278                 if (p->alpha < 1 || p->die < cl.time)
1279                         freeparticles[j++] = p;
1280                 else
1281                 {
1282                         maxparticle = i;
1283                         activeparticles++;
1284                         if (p->pressure)
1285                                 pressureused = true;
1286                 }
1287         }
1288         // fill in gaps to compact the array
1289         i = 0;
1290         while (maxparticle >= activeparticles)
1291         {
1292                 *freeparticles[i++] = particles[maxparticle--];
1293                 while (maxparticle >= activeparticles && particles[maxparticle].die < cl.time)
1294                         maxparticle--;
1295         }
1296         cl_numparticles = activeparticles;
1297
1298         if (pressureused)
1299         {
1300                 activeparticles = 0;
1301                 for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1302                         if (p->pressure)
1303                                 freeparticles[activeparticles++] = p;
1304
1305                 if (activeparticles)
1306                 {
1307                         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1308                         {
1309                                 for (j = 0;j < activeparticles;j++)
1310                                 {
1311                                         if (freeparticles[j] != p)
1312                                         {
1313                                                 float dist, diff[3];
1314                                                 VectorSubtract(p->org, freeparticles[j]->org, diff);
1315                                                 dist = DotProduct(diff, diff);
1316                                                 if (dist < 4096 && dist >= 1)
1317                                                 {
1318                                                         dist = freeparticles[j]->scalex * 4.0f * frametime / sqrt(dist);
1319                                                         VectorMA(p->vel, dist, diff, p->vel);
1320                                                 }
1321                                         }
1322                                 }
1323                         }
1324                 }
1325         }
1326 }
1327
1328 #define MAX_PARTICLETEXTURES 64
1329 // particletexture_t is a rectangle in the particlefonttexture
1330 typedef struct
1331 {
1332         rtexture_t *texture;
1333         float s1, t1, s2, t2;
1334 }
1335 particletexture_t;
1336
1337 #if WORKINGLQUAKE
1338 static int particlefonttexture;
1339 #else
1340 static rtexturepool_t *particletexturepool;
1341 static rtexture_t *particlefonttexture;
1342 #endif
1343 static particletexture_t particletexture[MAX_PARTICLETEXTURES];
1344
1345 static cvar_t r_drawparticles = {0, "r_drawparticles", "1"};
1346
1347 static qbyte shadebubble(float dx, float dy, vec3_t light)
1348 {
1349         float dz, f, dot;
1350         vec3_t normal;
1351         dz = 1 - (dx*dx+dy*dy);
1352         if (dz > 0) // it does hit the sphere
1353         {
1354                 f = 0;
1355                 // back side
1356                 normal[0] = dx;normal[1] = dy;normal[2] = dz;
1357                 VectorNormalize(normal);
1358                 dot = DotProduct(normal, light);
1359                 if (dot > 0.5) // interior reflection
1360                         f += ((dot *  2) - 1);
1361                 else if (dot < -0.5) // exterior reflection
1362                         f += ((dot * -2) - 1);
1363                 // front side
1364                 normal[0] = dx;normal[1] = dy;normal[2] = -dz;
1365                 VectorNormalize(normal);
1366                 dot = DotProduct(normal, light);
1367                 if (dot > 0.5) // interior reflection
1368                         f += ((dot *  2) - 1);
1369                 else if (dot < -0.5) // exterior reflection
1370                         f += ((dot * -2) - 1);
1371                 f *= 128;
1372                 f += 16; // just to give it a haze so you can see the outline
1373                 f = bound(0, f, 255);
1374                 return (qbyte) f;
1375         }
1376         else
1377                 return 0;
1378 }
1379
1380 static void setuptex(int texnum, qbyte *data, qbyte *particletexturedata)
1381 {
1382         int basex, basey, y;
1383         basex = ((texnum >> 0) & 7) * 32;
1384         basey = ((texnum >> 3) & 7) * 32;
1385         particletexture[texnum].s1 = (basex + 1) / 256.0f;
1386         particletexture[texnum].t1 = (basey + 1) / 256.0f;
1387         particletexture[texnum].s2 = (basex + 31) / 256.0f;
1388         particletexture[texnum].t2 = (basey + 31) / 256.0f;
1389         for (y = 0;y < 32;y++)
1390                 memcpy(particletexturedata + ((basey + y) * 256 + basex) * 4, data + y * 32 * 4, 32 * 4);
1391 }
1392
1393 static void R_InitParticleTexture (void)
1394 {
1395         int x, y, d, i, j, k, m;
1396         float cx, cy, dx, dy, radius, f, f2;
1397         qbyte data[32][32][4], noise1[64][64], noise2[64][64], data2[64][16][4];
1398         vec3_t light;
1399         qbyte particletexturedata[256*256*4];
1400
1401         memset(particletexturedata, 255, sizeof(particletexturedata));
1402
1403         // smoke/blood
1404         for (i = 0;i < 8;i++)
1405         {
1406                 do
1407                 {
1408                         fractalnoise(&noise1[0][0], 64, 4);
1409                         fractalnoise(&noise2[0][0], 64, 8);
1410                         m = 0;
1411                         for (y = 0;y < 32;y++)
1412                         {
1413                                 dy = y - 16;
1414                                 for (x = 0;x < 32;x++)
1415                                 {
1416                                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1417                                         dx = x - 16;
1418                                         d = (noise2[y][x] - 128) * 3 + 192;
1419                                         if (d > 0)
1420                                                 d = (d * (256 - (int) (dx*dx+dy*dy))) >> 8;
1421                                         d = (d * noise1[y][x]) >> 7;
1422                                         d = bound(0, d, 255);
1423                                         data[y][x][3] = (qbyte) d;
1424                                         if (m < d)
1425                                                 m = d;
1426                                 }
1427                         }
1428                 }
1429                 while (m < 224);
1430
1431                 setuptex(tex_smoke[i], &data[0][0][0], particletexturedata);
1432         }
1433
1434         // rain splash
1435         for (i = 0;i < 16;i++)
1436         {
1437                 radius = i * 3.0f / 16.0f;
1438                 f2 = 255.0f * ((15.0f - i) / 15.0f);
1439                 for (y = 0;y < 32;y++)
1440                 {
1441                         dy = (y - 16) * 0.25f;
1442                         for (x = 0;x < 32;x++)
1443                         {
1444                                 dx = (x - 16) * 0.25f;
1445                                 data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1446                                 f = (1.0 - fabs(radius - sqrt(dx*dx+dy*dy))) * f2;
1447                                 f = bound(0.0f, f, 255.0f);
1448                                 data[y][x][3] = (int) f;
1449                         }
1450                 }
1451                 setuptex(tex_rainsplash[i], &data[0][0][0], particletexturedata);
1452         }
1453
1454         // normal particle
1455         for (y = 0;y < 32;y++)
1456         {
1457                 dy = y - 16;
1458                 for (x = 0;x < 32;x++)
1459                 {
1460                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1461                         dx = x - 16;
1462                         d = (256 - (dx*dx+dy*dy));
1463                         d = bound(0, d, 255);
1464                         data[y][x][3] = (qbyte) d;
1465                 }
1466         }
1467         setuptex(tex_particle, &data[0][0][0], particletexturedata);
1468
1469         // rain
1470         light[0] = 1;light[1] = 1;light[2] = 1;
1471         VectorNormalize(light);
1472         for (y = 0;y < 32;y++)
1473         {
1474                 for (x = 0;x < 32;x++)
1475                 {
1476                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1477                         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);
1478                 }
1479         }
1480         setuptex(tex_raindrop, &data[0][0][0], particletexturedata);
1481
1482         // bubble
1483         light[0] = 1;light[1] = 1;light[2] = 1;
1484         VectorNormalize(light);
1485         for (y = 0;y < 32;y++)
1486         {
1487                 for (x = 0;x < 32;x++)
1488                 {
1489                         data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
1490                         data[y][x][3] = shadebubble((x - 16) * (1.0 / 16.0), (y - 16) * (1.0 / 16.0), light);
1491                 }
1492         }
1493         setuptex(tex_bubble, &data[0][0][0], particletexturedata);
1494
1495         // smoke/blood
1496         for (i = 0;i < 8;i++)
1497         {
1498                 memset(&data[0][0][0], 255, sizeof(data));
1499                 for (j = 1;j < 8;j++)
1500                 {
1501                         for (k = 0;k < 3;k++)
1502                         {
1503                                 cx = lhrandom(j + 1, 30 - j);
1504                                 cy = lhrandom(j + 1, 30 - j);
1505                                 for (y = 0;y < 32;y++)
1506                                 {
1507                                         for (x = 0;x < 32;x++)
1508                                         {
1509                                                 dx = (x - cx);
1510                                                 dy = (y - cy);
1511                                                 f = 1.0f - sqrt(dx * dx + dy * dy) / j;
1512                                                 if (f > 0)
1513                                                 {
1514                                                         data[y][x][0] = data[y][x][0] + f * 0.5 * ( 160 - data[y][x][0]);
1515                                                         data[y][x][1] = data[y][x][1] + f * 0.5 * ( 32 - data[y][x][1]);
1516                                                         data[y][x][2] = data[y][x][2] + f * 0.5 * ( 32 - data[y][x][2]);
1517                                                 }
1518                                         }
1519                                 }
1520                         }
1521                 }
1522                 // use inverted colors so we can scale them later using glColor and use an inverse blend
1523                 for (y = 0;y < 32;y++)
1524                 {
1525                         for (x = 0;x < 32;x++)
1526                         {
1527                                 data[y][x][0] = 255 - data[y][x][0];
1528                                 data[y][x][1] = 255 - data[y][x][1];
1529                                 data[y][x][2] = 255 - data[y][x][2];
1530                         }
1531                 }
1532                 setuptex(tex_blooddecal[i], &data[0][0][0], particletexturedata);
1533         }
1534
1535 #if WORKINGLQUAKE
1536         glBindTexture(GL_TEXTURE_2D, (particlefonttexture = gl_extension_number++));
1537         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
1538         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1539 #else
1540         particlefonttexture = R_LoadTexture2D(particletexturepool, "particlefont", 256, 256, particletexturedata, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
1541         for (i = 0;i < MAX_PARTICLETEXTURES;i++)
1542                 particletexture[i].texture = particlefonttexture;
1543
1544         // beam
1545         fractalnoise(&noise1[0][0], 64, 4);
1546         m = 0;
1547         for (y = 0;y < 64;y++)
1548         {
1549                 for (x = 0;x < 16;x++)
1550                 {
1551                         if (x < 8)
1552                                 d = x;
1553                         else
1554                                 d = (15 - x);
1555                         d = d * d * noise1[y][x] / (7 * 7);
1556                         data2[y][x][0] = data2[y][x][1] = data2[y][x][2] = (qbyte) bound(0, d, 255);
1557                         data2[y][x][3] = 255;
1558                 }
1559         }
1560
1561         particletexture[tex_beam].texture = R_LoadTexture2D(particletexturepool, "beam", 16, 64, &data2[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
1562         particletexture[tex_beam].s1 = 0;
1563         particletexture[tex_beam].t1 = 0;
1564         particletexture[tex_beam].s2 = 1;
1565         particletexture[tex_beam].t2 = 1;
1566 #endif
1567 }
1568
1569 static void r_part_start(void)
1570 {
1571         particletexturepool = R_AllocTexturePool();
1572         R_InitParticleTexture ();
1573 }
1574
1575 static void r_part_shutdown(void)
1576 {
1577         R_FreeTexturePool(&particletexturepool);
1578 }
1579
1580 static void r_part_newmap(void)
1581 {
1582         cl_numparticles = 0;
1583 }
1584
1585 void R_Particles_Init (void)
1586 {
1587         Cvar_RegisterVariable(&r_drawparticles);
1588 #ifdef WORKINGLQUAKE
1589         r_part_start();
1590 #else
1591         R_RegisterModule("R_Particles", r_part_start, r_part_shutdown, r_part_newmap);
1592 #endif
1593 }
1594
1595 #ifdef WORKINGLQUAKE
1596 void R_InitParticles(void)
1597 {
1598         CL_Particles_Init();
1599         R_Particles_Init();
1600 }
1601
1602 float varray_vertex[16];
1603 #endif
1604
1605 void R_DrawParticleCallback(const void *calldata1, int calldata2)
1606 {
1607         float org[3], up2[3], v[3], right[3], up[3], fog, ifog, fogvec[3], cr, cg, cb, ca;
1608         particletexture_t *tex;
1609 #ifndef WORKINGLQUAKE
1610         rmeshstate_t m;
1611 #endif
1612         const particle_t *p = calldata1;
1613
1614         VectorCopy(p->org, org);
1615
1616         if (p->orientation == PARTICLE_BILLBOARD)
1617         {
1618                 VectorScale(vright, p->scalex, right);
1619                 VectorScale(vup, p->scaley, up);
1620                 varray_vertex[ 0] = org[0] + right[0] - up[0];
1621                 varray_vertex[ 1] = org[1] + right[1] - up[1];
1622                 varray_vertex[ 2] = org[2] + right[2] - up[2];
1623                 varray_vertex[ 4] = org[0] - right[0] - up[0];
1624                 varray_vertex[ 5] = org[1] - right[1] - up[1];
1625                 varray_vertex[ 6] = org[2] - right[2] - up[2];
1626                 varray_vertex[ 8] = org[0] - right[0] + up[0];
1627                 varray_vertex[ 9] = org[1] - right[1] + up[1];
1628                 varray_vertex[10] = org[2] - right[2] + up[2];
1629                 varray_vertex[12] = org[0] + right[0] + up[0];
1630                 varray_vertex[13] = org[1] + right[1] + up[1];
1631                 varray_vertex[14] = org[2] + right[2] + up[2];
1632         }
1633         else if (p->orientation == PARTICLE_SPARK)
1634         {
1635                 VectorMA(p->org, -p->scaley, p->vel, v);
1636                 VectorMA(p->org, p->scaley, p->vel, up2);
1637                 R_CalcBeamVerts(varray_vertex, v, up2, p->scalex);
1638         }
1639         else if (p->orientation == PARTICLE_BEAM)
1640                 R_CalcBeamVerts(varray_vertex, p->org, p->vel2, p->scalex);
1641         else if (p->orientation == PARTICLE_ORIENTED_DOUBLESIDED)
1642         {
1643                 // double-sided
1644                 if (DotProduct(p->vel2, r_origin) > DotProduct(p->vel2, org))
1645                 {
1646                         VectorNegate(p->vel2, v);
1647                         VectorVectors(v, right, up);
1648                 }
1649                 else
1650                         VectorVectors(p->vel2, right, up);
1651                 VectorScale(right, p->scalex, right);
1652                 VectorScale(up, p->scaley, up);
1653                 varray_vertex[ 0] = org[0] + right[0] - up[0];
1654                 varray_vertex[ 1] = org[1] + right[1] - up[1];
1655                 varray_vertex[ 2] = org[2] + right[2] - up[2];
1656                 varray_vertex[ 4] = org[0] - right[0] - up[0];
1657                 varray_vertex[ 5] = org[1] - right[1] - up[1];
1658                 varray_vertex[ 6] = org[2] - right[2] - up[2];
1659                 varray_vertex[ 8] = org[0] - right[0] + up[0];
1660                 varray_vertex[ 9] = org[1] - right[1] + up[1];
1661                 varray_vertex[10] = org[2] - right[2] + up[2];
1662                 varray_vertex[12] = org[0] + right[0] + up[0];
1663                 varray_vertex[13] = org[1] + right[1] + up[1];
1664                 varray_vertex[14] = org[2] + right[2] + up[2];
1665         }
1666         else
1667                 Host_Error("R_DrawParticles: unknown particle orientation %i\n", p->orientation);
1668
1669         tex = &particletexture[p->texnum];
1670         cr = p->color[0] * (1.0f / 255.0f);
1671         cg = p->color[1] * (1.0f / 255.0f);
1672         cb = p->color[2] * (1.0f / 255.0f);
1673         ca = p->alpha * (1.0f / 255.0f);
1674         if (p->blendmode == PBLEND_MOD)
1675         {
1676                 cr *= ca;
1677                 cg *= ca;
1678                 cb *= ca;
1679                 cr = min(cr, 1);
1680                 cg = min(cg, 1);
1681                 cb = min(cb, 1);
1682                 ca = 1;
1683         }
1684
1685 #if WORKINGLQUAKE
1686         if (p->blendmode == 0)
1687                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1688         else if (p->blendmode == 1)
1689                 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
1690         else
1691                 glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
1692         glBegin(GL_QUADS);
1693         glColor4f(cr, cg, cb, ca);
1694         glTexCoord2f(tex->s2, tex->t1);glVertex3f(varray_vertex[ 0], varray_vertex[ 1], varray_vertex[ 2]);
1695         glTexCoord2f(tex->s1, tex->t1);glVertex3f(varray_vertex[ 4], varray_vertex[ 5], varray_vertex[ 6]);
1696         glTexCoord2f(tex->s1, tex->t2);glVertex3f(varray_vertex[ 8], varray_vertex[ 9], varray_vertex[10]);
1697         glTexCoord2f(tex->s2, tex->t2);glVertex3f(varray_vertex[12], varray_vertex[13], varray_vertex[14]);
1698         glEnd();
1699 #else
1700         memset(&m, 0, sizeof(m));
1701         if (p->blendmode == 0)
1702         {
1703                 m.blendfunc1 = GL_SRC_ALPHA;
1704                 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1705         }
1706         else if (p->blendmode == 1)
1707         {
1708                 m.blendfunc1 = GL_SRC_ALPHA;
1709                 m.blendfunc2 = GL_ONE;
1710         }
1711         else
1712         {
1713                 m.blendfunc1 = GL_ZERO;
1714                 m.blendfunc2 = GL_ONE_MINUS_SRC_COLOR;
1715         }
1716         m.tex[0] = R_GetTexture(tex->texture);
1717         R_Mesh_Matrix(&r_identitymatrix);
1718         R_Mesh_State(&m);
1719
1720         if (fogenabled && p->blendmode != PBLEND_MOD)
1721         {
1722                 VectorSubtract(org, r_origin, fogvec);
1723                 fog = exp(fogdensity/DotProduct(fogvec,fogvec));
1724                 ifog = 1 - fog;
1725                 cr = cr * ifog;
1726                 cg = cg * ifog;
1727                 cb = cb * ifog;
1728                 if (p->blendmode == 0)
1729                 {
1730                         cr += fogcolor[0] * fog;
1731                         cg += fogcolor[1] * fog;
1732                         cb += fogcolor[2] * fog;
1733                 }
1734         }
1735         cr *= r_colorscale;
1736         cg *= r_colorscale;
1737         cb *= r_colorscale;
1738
1739         if (p->orientation == PARTICLE_BEAM)
1740         {
1741                 VectorSubtract(p->vel2, p->org, up);
1742                 VectorNormalizeFast(up);
1743                 v[0] = DotProduct(p->org, up) * (1.0f / 64.0f) - cl.time * 0.25;
1744                 v[1] = DotProduct(p->vel2, up) * (1.0f / 64.0f) - cl.time * 0.25;
1745                 varray_texcoord[0][0] = 1;varray_texcoord[0][1] = v[0];
1746                 varray_texcoord[0][4] = 0;varray_texcoord[0][5] = v[0];
1747                 varray_texcoord[0][8] = 0;varray_texcoord[0][9] = v[1];
1748                 varray_texcoord[0][12] = 1;varray_texcoord[0][13] = v[1];
1749         }
1750         else
1751         {
1752                 varray_texcoord[0][0] = tex->s2;varray_texcoord[0][1] = tex->t1;
1753                 varray_texcoord[0][4] = tex->s1;varray_texcoord[0][5] = tex->t1;
1754                 varray_texcoord[0][8] = tex->s1;varray_texcoord[0][9] = tex->t2;
1755                 varray_texcoord[0][12] = tex->s2;varray_texcoord[0][13] = tex->t2;
1756         }
1757
1758         GL_Color(cr, cg, cb, ca);
1759         R_Mesh_Draw(4, 2, polygonelements);
1760 #endif
1761 }
1762
1763 void R_DrawParticles (void)
1764 {
1765         int i;
1766         float minparticledist;
1767         particle_t *p;
1768
1769 #ifdef WORKINGLQUAKE
1770         CL_MoveParticles();
1771 #endif
1772
1773         // LordHavoc: early out conditions
1774         if ((!cl_numparticles) || (!r_drawparticles.integer))
1775                 return;
1776
1777         minparticledist = DotProduct(r_origin, vpn) + 16.0f;
1778
1779 #ifdef WORKINGLQUAKE
1780         glBindTexture(GL_TEXTURE_2D, particlefonttexture);
1781         glEnable(GL_BLEND);
1782         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
1783         glDepthMask(0);
1784         // LordHavoc: only render if not too close
1785         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1786                 if (DotProduct(p->org, vpn) >= minparticledist)
1787                         R_DrawParticleCallback(p, 0);
1788         glDepthMask(1);
1789         glDisable(GL_BLEND);
1790         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1791 #else
1792         // LordHavoc: only render if not too close
1793         c_particles += cl_numparticles;
1794         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1795                 if (DotProduct(p->org, vpn) >= minparticledist || p->orientation == PARTICLE_BEAM)
1796                         R_MeshQueue_AddTransparent(p->org, R_DrawParticleCallback, p, 0);
1797 #endif
1798 }
1799