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 CL_PointQ1Contents(v) (Mod_PointInLeaf(v,cl.worldmodel)->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 void R_CalcBeam_Vertex3f (float *vert, vec3_t org1, vec3_t org2, float width)
  44 {
  45         vec3_t right1, right2, diff, normal;
  46
  47         VectorSubtract (org2, org1, normal);
  48         VectorNormalizeFast (normal);
  49
  50         // calculate 'right' vector for start
  51         VectorSubtract (r_vieworigin, org1, diff);
  52         VectorNormalizeFast (diff);
  53         CrossProduct (normal, diff, right1);
  54
  55         // calculate 'right' vector for end
  56         VectorSubtract (r_vieworigin, org2, diff);
  57         VectorNormalizeFast (diff);
  58         CrossProduct (normal, diff, right2);
  59
  60         vert[ 0] = org1[0] + width * right1[0];
  61         vert[ 1] = org1[1] + width * right1[1];
  62         vert[ 2] = org1[2] + width * right1[2];
  63         vert[ 3] = org1[0] - width * right1[0];
  64         vert[ 4] = org1[1] - width * right1[1];
  65         vert[ 5] = org1[2] - width * right1[2];
  66         vert[ 6] = org2[0] - width * right2[0];
  67         vert[ 7] = org2[1] - width * right2[1];
  68         vert[ 8] = org2[2] - width * right2[2];
  69         vert[ 9] = org2[0] + width * right2[0];
  70         vert[10] = org2[1] + width * right2[1];
  71         vert[11] = org2[2] + width * right2[2];
  72 }
  73 void fractalnoise(qbyte *noise, int size, int startgrid)
  74 {
  75         int x, y, g, g2, amplitude, min, max, size1 = size - 1, sizepower, gridpower;
  76         int *noisebuf;
  77 #define n(x,y) noisebuf[((y)&size1)*size+((x)&size1)]
  78
  79         for (sizepower = 0;(1 << sizepower) < size;sizepower++);
  80         if (size != (1 << sizepower))
  81                 Sys_Error("fractalnoise: size must be power of 2\n");
  82
  83         for (gridpower = 0;(1 << gridpower) < startgrid;gridpower++);
  84         if (startgrid != (1 << gridpower))
  85                 Sys_Error("fractalnoise: grid must be power of 2\n");
  86
  87         startgrid = bound(0, startgrid, size);
  88
  89         amplitude = 0xFFFF; // this gets halved before use
  90         noisebuf = malloc(size*size*sizeof(int));
  91         memset(noisebuf, 0, size*size*sizeof(int));
  92
  93         for (g2 = startgrid;g2;g2 >>= 1)
  94         {
  95                 // brownian motion (at every smaller level there is random behavior)
  96                 amplitude >>= 1;
  97                 for (y = 0;y < size;y += g2)
  98                         for (x = 0;x < size;x += g2)
  99                                 n(x,y) += (rand()&amplitude);
 100
 101                 g = g2 >> 1;
 102                 if (g)
 103                 {
 104                         // subdivide, diamond-square algorithm (really this has little to do with squares)
 105                         // diamond
 106                         for (y = 0;y < size;y += g2)
 107                                 for (x = 0;x < size;x += g2)
 108                                         n(x+g,y+g) = (n(x,y) + n(x+g2,y) + n(x,y+g2) + n(x+g2,y+g2)) >> 2;
 109                         // square
 110                         for (y = 0;y < size;y += g2)
 111                                 for (x = 0;x < size;x += g2)
 112                                 {
 113                                         n(x+g,y) = (n(x,y) + n(x+g2,y) + n(x+g,y-g) + n(x+g,y+g)) >> 2;
 114                                         n(x,y+g) = (n(x,y) + n(x,y+g2) + n(x-g,y+g) + n(x+g,y+g)) >> 2;
 115                                 }
 116                 }
 117         }
 118         // find range of noise values
 119         min = max = 0;
 120         for (y = 0;y < size;y++)
 121                 for (x = 0;x < size;x++)
 122                 {
 123                         if (n(x,y) < min) min = n(x,y);
 124                         if (n(x,y) > max) max = n(x,y);
 125                 }
 126         max -= min;
 127         max++;
 128         // normalize noise and copy to output
 129         for (y = 0;y < size;y++)
 130                 for (x = 0;x < size;x++)
 131                         *noise++ = (qbyte) (((n(x,y) - min) * 256) / max);
 132         free(noisebuf);
 133 #undef n
 134 }
 135 void VectorVectors(const vec3_t forward, vec3_t right, vec3_t up)
 136 {
 137         float d;
 138
 139         right[0] = forward[2];
 140         right[1] = -forward[0];
 141         right[2] = forward[1];
 142
 143         d = DotProduct(forward, right);
 144         right[0] -= d * forward[0];
 145         right[1] -= d * forward[1];
 146         right[2] -= d * forward[2];
 147         VectorNormalizeFast(right);
 148         CrossProduct(right, forward, up);
 149 }
 150 #if QW
 151 #include "pmove.h"
 152 extern qboolean PM_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, pmtrace_t *trace);
 153 #endif
 154 float CL_TraceLine (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal, int hitbmodels, void **hitent, int hitsupercontentsmask)
 155 {
 156 #if QW
 157         pmtrace_t trace;
 158 #else
 159         trace_t trace;
 160 #endif
 161         memset (&trace, 0, sizeof(trace));
 162         trace.fraction = 1;
 163         VectorCopy (end, trace.endpos);
 164 #if QW
 165         PM_RecursiveHullCheck (cl.model_precache[1]->hulls, 0, 0, 1, start, end, &trace);
 166 #else
 167         RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace);
 168 #endif
 169         VectorCopy(trace.endpos, impact);
 170         VectorCopy(trace.plane.normal, normal);
 171         return trace.fraction;
 172 }
 173 #else
 174 #include "cl_collision.h"
 175 #include "image.h"
 176 #endif
 177
 178 #define MAX_PARTICLES                   32768   // default max # of particles at one time
 179 #define ABSOLUTE_MIN_PARTICLES  512             // no fewer than this no matter what's on the command line
 180
 181 typedef enum
 182 {
 183         pt_dead, pt_static, pt_rain, pt_raindecal, pt_snow, pt_bubble, pt_blood, pt_grow, pt_decal, pt_ember
 184 }
 185 ptype_t;
 186
 187 typedef enum
 188 {
 189         PARTICLE_BILLBOARD = 0,
 190         PARTICLE_SPARK = 1,
 191         PARTICLE_ORIENTED_DOUBLESIDED = 2,
 192         PARTICLE_BEAM = 3
 193 }
 194 porientation_t;
 195
 196 typedef enum
 197 {
 198         PBLEND_ALPHA = 0,
 199         PBLEND_ADD = 1,
 200         PBLEND_MOD = 2
 201 }
 202 pblend_t;
 203
 204 typedef struct particle_s
 205 {
 206         ptype_t         type;
 207         int                     orientation;
 208         int                     texnum;
 209         int                     blendmode;
 210         vec3_t          org;
 211         vec3_t          vel;
 212         float           die;
 213         float           scalex;
 214         float           scaley;
 215         float           alpha; // 0-255
 216         float           alphafade; // how much alpha reduces per second
 217         float           time2; // used for various things (snow fluttering, for example)
 218         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)
 219         float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
 220         vec3_t          oldorg;
 221         vec3_t          vel2; // used for snow fluttering (base velocity, wind for instance)
 222         float           friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
 223         float           pressure; // if non-zero, apply pressure to other particles
 224         qbyte           color[4];
 225 #ifndef WORKINGLQUAKE
 226         entity_render_t *owner; // decal stuck to this entity
 227         model_t         *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
 228         vec3_t          relativeorigin; // decal at this location in entity's coordinate space
 229         vec3_t          relativedirection; // decal oriented this way relative to entity's coordinate space
 230 #endif
 231 }
 232 particle_t;
 233
 234 static int particlepalette[256] =
 235 {
 236         0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b,
 237         0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb,
 238         0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b,
 239         0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23,
 240         0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767,
 241         0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb,
 242         0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07,
 243         0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f,
 244         0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000,
 245         0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000,
 246         0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307,
 247         0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723,
 248         0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b,
 249         0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b,
 250         0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733,
 251         0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397,
 252         0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b,
 253         0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707,
 254         0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b,
 255         0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707,
 256         0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353,
 257         0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07,
 258         0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f,
 259         0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07,
 260         0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307,
 261         0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700,
 262         0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f,
 263         0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f,
 264         0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b,
 265         0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b,
 266         0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000,
 267         0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53
 268 };
 269
 270 //static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
 271
 272 // texture numbers in particle font
 273 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
 274 static const int tex_bulletdecal[8] = {8, 9, 10, 11, 12, 13, 14, 15};
 275 static const int tex_blooddecal[8] = {16, 17, 18, 19, 20, 21, 22, 23};
 276 static const int tex_bloodparticle[8] = {24, 25, 26, 27, 28, 29, 30, 31};
 277 static const int tex_rainsplash[16] = {32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
 278 static const int tex_particle = 63;
 279 static const int tex_bubble = 62;
 280 static const int tex_raindrop = 61;
 281 static const int tex_beam = 60;
 282
 283 static int                      cl_maxparticles;
 284 static int                      cl_numparticles;
 285 static int                      cl_freeparticle;
 286 static particle_t       *particles;
 287
 288 cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1"};
 289 cvar_t cl_particles_quality = {CVAR_SAVE, "cl_particles_quality", "1"};
 290 cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1"};
 291 cvar_t cl_particles_bloodshowers = {CVAR_SAVE, "cl_particles_bloodshowers", "1"};
 292 cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1"};
 293 cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "0.5"};
 294 cvar_t cl_particles_blood_bloodhack = {CVAR_SAVE, "cl_particles_blood_bloodhack", "1"};
 295 cvar_t cl_particles_bulletimpacts = {CVAR_SAVE, "cl_particles_bulletimpacts", "1"};
 296 cvar_t cl_particles_explosions_bubbles = {CVAR_SAVE, "cl_particles_explosions_bubbles", "1"};
 297 cvar_t cl_particles_explosions_smoke = {CVAR_SAVE, "cl_particles_explosions_smokes", "0"};
 298 cvar_t cl_particles_explosions_sparks = {CVAR_SAVE, "cl_particles_explosions_sparks", "1"};
 299 cvar_t cl_particles_explosions_shell = {CVAR_SAVE, "cl_particles_explosions_shell", "0"};
 300 cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1"};
 301 cvar_t cl_particles_smoke_alpha = {CVAR_SAVE, "cl_particles_smoke_alpha", "0.5"};
 302 cvar_t cl_particles_smoke_alphafade = {CVAR_SAVE, "cl_particles_smoke_alphafade", "0.55"};
 303 cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1"};
 304 cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1"};
 305 cvar_t cl_decals = {CVAR_SAVE, "cl_decals", "0"};
 306 cvar_t cl_decals_time = {CVAR_SAVE, "cl_decals_time", "0"};
 307 cvar_t cl_decals_fadetime = {CVAR_SAVE, "cl_decals_fadetime", "20"};
 308
 309 #ifndef WORKINGLQUAKE
 310 static mempool_t *cl_part_mempool;
 311 #endif
 312
 313 void CL_Particles_Clear(void)
 314 {
 315         cl_numparticles = 0;
 316         cl_freeparticle = 0;
 317         memset(particles, 0, sizeof(particle_t) * cl_maxparticles);
 318 }
 319
 320 /*
 321 ===============
 322 CL_InitParticles
 323 ===============
 324 */
 325 void CL_ReadPointFile_f (void);
 326 void CL_Particles_Init (void)
 327 {
 328         int             i;
 329
 330 // COMMANDLINEOPTION: Client: -particles <number> changes maximum number of particles at once, default 32768
 331         i = COM_CheckParm ("-particles");
 332
 333         if (i && i < com_argc - 1)
 334         {
 335                 cl_maxparticles = (int)(atoi(com_argv[i+1]));
 336                 if (cl_maxparticles < ABSOLUTE_MIN_PARTICLES)
 337                         cl_maxparticles = ABSOLUTE_MIN_PARTICLES;
 338         }
 339         else
 340                 cl_maxparticles = MAX_PARTICLES;
 341
 342         Cmd_AddCommand ("pointfile", CL_ReadPointFile_f);
 343
 344         Cvar_RegisterVariable (&cl_particles);
 345         Cvar_RegisterVariable (&cl_particles_quality);
 346         Cvar_RegisterVariable (&cl_particles_size);
 347         Cvar_RegisterVariable (&cl_particles_bloodshowers);
 348         Cvar_RegisterVariable (&cl_particles_blood);
 349         Cvar_RegisterVariable (&cl_particles_blood_alpha);
 350         Cvar_RegisterVariable (&cl_particles_blood_bloodhack);
 351         Cvar_RegisterVariable (&cl_particles_explosions_bubbles);
 352         Cvar_RegisterVariable (&cl_particles_explosions_smoke);
 353         Cvar_RegisterVariable (&cl_particles_explosions_sparks);
 354         Cvar_RegisterVariable (&cl_particles_explosions_shell);
 355         Cvar_RegisterVariable (&cl_particles_bulletimpacts);
 356         Cvar_RegisterVariable (&cl_particles_smoke);
 357         Cvar_RegisterVariable (&cl_particles_smoke_alpha);
 358         Cvar_RegisterVariable (&cl_particles_smoke_alphafade);
 359         Cvar_RegisterVariable (&cl_particles_sparks);
 360         Cvar_RegisterVariable (&cl_particles_bubbles);
 361         Cvar_RegisterVariable (&cl_decals);
 362         Cvar_RegisterVariable (&cl_decals_time);
 363         Cvar_RegisterVariable (&cl_decals_fadetime);
 364
 365 #ifdef WORKINGLQUAKE
 366         particles = (particle_t *) Hunk_AllocName(cl_maxparticles * sizeof(particle_t), "particles");
 367 #else
 368         cl_part_mempool = Mem_AllocPool("CL_Part", 0, NULL);
 369         particles = (particle_t *) Mem_Alloc(cl_part_mempool, cl_maxparticles * sizeof(particle_t));
 370 #endif
 371         CL_Particles_Clear();
 372 }
 373
 374 void CL_Particles_Shutdown (void)
 375 {
 376 #ifdef WORKINGLQUAKE
 377         // No clue what to do here...
 378 #else
 379         Mem_FreePool (&cl_part_mempool);
 380 #endif
 381 }
 382
 383 // list of all 26 parameters:
 384 // ptype - any of the pt_ enum values (pt_static, pt_blood, etc), see ptype_t near the top of this file
 385 // porientation - PARTICLE_ enum values (PARTICLE_BILLBOARD, PARTICLE_SPARK, etc)
 386 // pcolor1,pcolor2 - minimum and maximum ranges of color, randomly interpolated to decide particle color
 387 // ptex - any of the tex_ values such as tex_smoke[rand()&7] or tex_particle
 388 // plight - no longer used (this used to turn on particle lighting)
 389 // pblendmode - PBLEND_ enum values (PBLEND_ALPHA, PBLEND_ADD, etc)
 390 // pscalex,pscaley - width and height of particle (according to orientation), these are normally the same except when making sparks and beams
 391 // palpha - opacity of particle as 0-255 (can be more than 255)
 392 // palphafade - rate of fade per second (so 256 would mean a 256 alpha particle would fade to nothing in 1 second)
 393 // ptime - how long the particle can live (note it is also removed if alpha drops to nothing)
 394 // pgravity - how much effect gravity has on the particle (0-1)
 395 // pbounce - how much bounce the particle has when it hits a surface (0-1), -1 makes a blood splat when it hits a surface, 0 does not even check for collisions
 396 // px,py,pz - starting origin of particle
 397 // pvx,pvy,pvz - starting velocity of particle
 398 // ptime2 - extra time parameter for certain particle types (pt_decal delayed fades and pt_rain snowflutter use this)
 399 // pvx2,pvy2,pvz2 - for PARTICLE_ORIENTED_DOUBLESIDED this is the surface normal of the orientation (forward vector), pt_rain uses this for snow fluttering
 400 // pfriction - how much the particle slows down per second (0-1 typically, can slowdown faster than 1)
 401 // ppressure - pushes other particles away if they are within 64 units distance, the force is based on scalex, this feature is supported but not currently used
 402 particle_t *particle(ptype_t ptype, porientation_t porientation, int pcolor1, int pcolor2, int ptex, int plight, pblend_t pblendmode, float pscalex, float pscaley, float palpha, float palphafade, float ptime, float pgravity, float pbounce, float px, float py, float pz, float pvx, float pvy, float pvz, float ptime2, float pvx2, float pvy2, float pvz2, float pfriction, float ppressure)
 403 {
 404         particle_t *part;
 405         int ptempcolor, ptempcolor2, pcr1, pcg1, pcb1, pcr2, pcg2, pcb2;
 406         ptempcolor = (pcolor1);
 407         ptempcolor2 = (pcolor2);
 408         pcr2 = ((ptempcolor2) >> 16) & 0xFF;
 409         pcg2 = ((ptempcolor2) >> 8) & 0xFF;
 410         pcb2 = (ptempcolor2) & 0xFF;
 411         if (ptempcolor != ptempcolor2)
 412         {
 413                 pcr1 = ((ptempcolor) >> 16) & 0xFF;
 414                 pcg1 = ((ptempcolor) >> 8) & 0xFF;
 415                 pcb1 = (ptempcolor) & 0xFF;
 416                 ptempcolor = rand() & 0xFF;
 417                 pcr2 = (((pcr2 - pcr1) * ptempcolor) >> 8) + pcr1;
 418                 pcg2 = (((pcg2 - pcg1) * ptempcolor) >> 8) + pcg1;
 419                 pcb2 = (((pcb2 - pcb1) * ptempcolor) >> 8) + pcb1;
 420         }
 421         for (;cl_freeparticle < cl_maxparticles && particles[cl_freeparticle].type;cl_freeparticle++);
 422         if (cl_freeparticle >= cl_maxparticles)
 423                 return NULL;
 424         part = &particles[cl_freeparticle++];
 425         if (cl_numparticles < cl_freeparticle)
 426                 cl_numparticles = cl_freeparticle;
 427         memset(part, 0, sizeof(*part));
 428         part->type = (ptype);
 429         part->color[0] = pcr2;
 430         part->color[1] = pcg2;
 431         part->color[2] = pcb2;
 432         part->color[3] = 0xFF;
 433         part->orientation = porientation;
 434         part->texnum = ptex;
 435         part->blendmode = pblendmode;
 436         part->scalex = (pscalex);
 437         part->scaley = (pscaley);
 438         part->alpha = (palpha);
 439         part->alphafade = (palphafade);
 440         part->die = cl.time + (ptime);
 441         part->gravity = (pgravity);
 442         part->bounce = (pbounce);
 443         part->org[0] = (px);
 444         part->org[1] = (py);
 445         part->org[2] = (pz);
 446         part->vel[0] = (pvx);
 447         part->vel[1] = (pvy);
 448         part->vel[2] = (pvz);
 449         part->time2 = (ptime2);
 450         part->vel2[0] = (pvx2);
 451         part->vel2[1] = (pvy2);
 452         part->vel2[2] = (pvz2);
 453         part->friction = (pfriction);
 454         part->pressure = (ppressure);
 455         return part;
 456 }
 457
 458 void CL_SpawnDecalParticleForSurface(void *hitent, const vec3_t org, const vec3_t normal, int color1, int color2, int texnum, float size, float alpha)
 459 {
 460         particle_t *p;
 461         if (!cl_decals.integer)
 462                 return;
 463         p = particle(pt_decal, PARTICLE_ORIENTED_DOUBLESIDED, color1, color2, texnum, false, PBLEND_MOD, size, size, alpha, 0, cl_decals_time.value + cl_decals_fadetime.value, 0, 0, org[0] + normal[0], org[1] + normal[1], org[2] + normal[2], 0, 0, 0, cl.time + cl_decals_time.value, normal[0], normal[1], normal[2], 0, 0);
 464 #ifndef WORKINGLQUAKE
 465         if (p)
 466         {
 467                 p->owner = hitent;
 468                 p->ownermodel = p->owner->model;
 469                 Matrix4x4_Transform(&p->owner->inversematrix, org, p->relativeorigin);
 470                 Matrix4x4_Transform3x3(&p->owner->inversematrix, normal, p->relativedirection);
 471                 VectorAdd(p->relativeorigin, p->relativedirection, p->relativeorigin);
 472         }
 473 #endif
 474 }
 475
 476 void CL_SpawnDecalParticleForPoint(const vec3_t org, float maxdist, float size, float alpha, int texnum, int color1, int color2)
 477 {
 478         int i;
 479         float bestfrac, bestorg[3], bestnormal[3];
 480         float frac, v[3], normal[3], org2[3];
 481 #ifdef WORKINGLQUAKE
 482         void *besthitent = NULL, *hitent;
 483 #else
 484         entity_render_t *besthitent = NULL, *hitent;
 485 #endif
 486         bestfrac = 10;
 487         for (i = 0;i < 32;i++)
 488         {
 489                 VectorRandom(org2);
 490                 VectorMA(org, maxdist, org2, org2);
 491                 frac = CL_TraceLine(org, org2, v, normal, true, &hitent, SUPERCONTENTS_SOLID);
 492                 if (bestfrac > frac)
 493                 {
 494                         bestfrac = frac;
 495                         besthitent = hitent;
 496                         VectorCopy(v, bestorg);
 497                         VectorCopy(normal, bestnormal);
 498                 }
 499         }
 500         if (bestfrac < 1)
 501                 CL_SpawnDecalParticleForSurface(besthitent, bestorg, bestnormal, color1, color2, texnum, size, alpha);
 502 }
 503
 504 /*
 505 ===============
 506 CL_EntityParticles
 507 ===============
 508 */
 509 void CL_EntityParticles (entity_t *ent)
 510 {
 511         int                     i;
 512         float           angle;
 513         float           sp, sy, cp, cy;
 514         vec3_t          forward;
 515         float           dist;
 516         float           beamlength;
 517         static vec3_t avelocities[NUMVERTEXNORMALS];
 518         if (!cl_particles.integer) return;
 519
 520         dist = 64;
 521         beamlength = 16;
 522
 523         if (!avelocities[0][0])
 524                 for (i=0 ; i<NUMVERTEXNORMALS*3 ; i++)
 525                         avelocities[0][i] = (rand()&255) * 0.01;
 526
 527         for (i=0 ; i<NUMVERTEXNORMALS ; i++)
 528         {
 529                 angle = cl.time * avelocities[i][0];
 530                 sy = sin(angle);
 531                 cy = cos(angle);
 532                 angle = cl.time * avelocities[i][1];
 533                 sp = sin(angle);
 534                 cp = cos(angle);
 535
 536                 forward[0] = cp*cy;
 537                 forward[1] = cp*sy;
 538                 forward[2] = -sp;
 539
 540 #ifdef WORKINGLQUAKE
 541                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, PBLEND_ADD, 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);
 542 #else
 543                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0x6f], particlepalette[0x6f], tex_particle, false, PBLEND_ADD, 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);
 544 #endif
 545         }
 546 }
 547
 548
 549 void CL_ReadPointFile_f (void)
 550 {
 551         vec3_t org, leakorg;
 552         int r, c, s;
 553         char *pointfile = NULL, *pointfilepos, *t, tchar;
 554         char name[MAX_OSPATH];
 555
 556         if (!cl.worldmodel)
 557                 return;
 558
 559         FS_StripExtension (cl.worldmodel->name, name, sizeof (name));
 560         strlcat (name, ".pts", sizeof (name));
 561 #if WORKINGLQUAKE
 562         pointfile = COM_LoadTempFile (name);
 563 #else
 564         pointfile = FS_LoadFile(name, tempmempool, true);
 565 #endif
 566         if (!pointfile)
 567         {
 568                 Con_Printf("Could not open %s\n", name);
 569                 return;
 570         }
 571
 572         Con_Printf("Reading %s...\n", name);
 573         c = 0;
 574         s = 0;
 575         pointfilepos = pointfile;
 576         while (*pointfilepos)
 577         {
 578                 while (*pointfilepos == '\n' || *pointfilepos == '\r')
 579                         pointfilepos++;
 580                 if (!*pointfilepos)
 581                         break;
 582                 t = pointfilepos;
 583                 while (*t && *t != '\n' && *t != '\r')
 584                         t++;
 585                 tchar = *t;
 586                 *t = 0;
 587                 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
 588                 *t = tchar;
 589                 pointfilepos = t;
 590                 if (r != 3)
 591                         break;
 592                 if (c == 0)
 593                         VectorCopy(org, leakorg);
 594                 c++;
 595
 596                 if (cl_numparticles < cl_maxparticles - 3)
 597                 {
 598                         s++;
 599                         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);
 600                 }
 601         }
 602 #ifndef WORKINGLQUAKE
 603         Mem_Free(pointfile);
 604 #endif
 605         VectorCopy(leakorg, org);
 606         Con_Printf("%i points read (%i particles spawned)\nLeak at %f %f %f\n", c, s, org[0], org[1], org[2]);
 607
 608         particle(pt_static, PARTICLE_BEAM, 0xFF0000, 0xFF0000, tex_beam, false, PBLEND_ALPHA, 64, 64, 255, 0, 99999, 0, 0, org[0] - 4096, org[1], org[2], 0, 0, 0, 0, org[0] + 4096, org[1], org[2], 0, 0);
 609         particle(pt_static, PARTICLE_BEAM, 0x00FF00, 0x00FF00, tex_beam, false, PBLEND_ALPHA, 64, 64, 255, 0, 99999, 0, 0, org[0], org[1] - 4096, org[2], 0, 0, 0, 0, org[0], org[1] + 4096, org[2], 0, 0);
 610         particle(pt_static, PARTICLE_BEAM, 0x0000FF, 0x0000FF, tex_beam, false, PBLEND_ALPHA, 64, 64, 255, 0, 99999, 0, 0, org[0], org[1], org[2] - 4096, 0, 0, 0, 0, org[0], org[1], org[2] + 4096, 0, 0);
 611 }
 612
 613 /*
 614 ===============
 615 CL_ParseParticleEffect
 616
 617 Parse an effect out of the server message
 618 ===============
 619 */
 620 void CL_ParseParticleEffect (void)
 621 {
 622         vec3_t org, dir;
 623         int i, count, msgcount, color;
 624
 625         MSG_ReadVector(org, cl.protocol);
 626         for (i=0 ; i<3 ; i++)
 627                 dir[i] = MSG_ReadChar () * (1.0/16);
 628         msgcount = MSG_ReadByte ();
 629         color = MSG_ReadByte ();
 630
 631         if (msgcount == 255)
 632                 count = 1024;
 633         else
 634                 count = msgcount;
 635
 636         if (cl_particles_blood_bloodhack.integer)
 637         {
 638                 if (color == 73)
 639                 {
 640                         // regular blood
 641                         CL_BloodPuff(org, dir, count / 2);
 642                         return;
 643                 }
 644                 if (color == 225)
 645                 {
 646                         // lightning blood
 647                         CL_BloodPuff(org, dir, count / 2);
 648                         return;
 649                 }
 650         }
 651         CL_RunParticleEffect (org, dir, color, count);
 652 }
 653
 654 /*
 655 ===============
 656 CL_ParticleExplosion
 657
 658 ===============
 659 */
 660 void CL_ParticleExplosion (vec3_t org)
 661 {
 662         int i;
 663         //vec3_t v;
 664         //vec3_t v2;
 665         if (cl_stainmaps.integer)
 666                 R_Stain(org, 96, 80, 80, 80, 64, 176, 176, 176, 64);
 667         CL_SpawnDecalParticleForPoint(org, 40, 48, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
 668
 669         i = CL_PointQ1Contents(org);
 670         if (i == CONTENTS_SLIME || i == CONTENTS_WATER)
 671         {
 672                 if (cl_particles.integer && cl_particles_bubbles.integer && cl_particles_explosions_bubbles.integer)
 673                         for (i = 0;i < 128 * cl_particles_quality.value;i++)
 674                                 particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, PBLEND_ADD, 2, 2, (1.0f / cl_particles_quality.value) * lhrandom(128, 255), (1.0f / cl_particles_quality.value) * 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);
 675         }
 676         else
 677         {
 678                 // LordHavoc: smoke effect similar to UT2003, chews fillrate too badly up close
 679                 // smoke puff
 680                 if (cl_particles.integer && cl_particles_smoke.integer && cl_particles_explosions_smoke.integer)
 681                 {
 682                         for (i = 0;i < 32;i++)
 683                         {
 684                                 int k;
 685                                 vec3_t v, v2;
 686 #ifdef WORKINGLQUAKE
 687                                 v2[0] = lhrandom(-48, 48);
 688                                 v2[1] = lhrandom(-48, 48);
 689                                 v2[2] = lhrandom(-48, 48);
 690 #else
 691                                 for (k = 0;k < 16;k++)
 692                                 {
 693                                         v[0] = org[0] + lhrandom(-48, 48);
 694                                         v[1] = org[1] + lhrandom(-48, 48);
 695                                         v[2] = org[2] + lhrandom(-48, 48);
 696                                         if (CL_TraceLine(org, v, v2, NULL, true, NULL, SUPERCONTENTS_SOLID) >= 0.1)
 697                                                 break;
 698                                 }
 699                                 VectorSubtract(v2, org, v2);
 700 #endif
 701                                 VectorScale(v2, 2.0f, v2);
 702                                 particle(pt_static, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_smoke[rand()&7], true, PBLEND_ADD, 12, 12, 32, 64, 9999, 0, 0, org[0], org[1], org[2], v2[0], v2[1], v2[2], 0, 0, 0, 0, 0, 0);
 703                         }
 704                 }
 705
 706 #if 1
 707                 if (cl_particles.integer && cl_particles_sparks.integer && cl_particles_explosions_sparks.integer)
 708                         for (i = 0;i < 128 * cl_particles_quality.value;i++)
 709                                 particle(pt_static, PARTICLE_SPARK, 0x903010, 0xFFD030, tex_particle, false, PBLEND_ADD, 1.0f, 0.02f, (1.0f / cl_particles_quality.value) * lhrandom(0, 255), (1.0f / cl_particles_quality.value) * 512, 9999, 1, 0, org[0], org[1], org[2], lhrandom(-256, 256), lhrandom(-256, 256), lhrandom(-256, 256) + 80, 0, 0, 0, 0, 0.2, 0);
 710 #elif 1
 711                 if (cl_particles.integer && cl_particles_sparks.integer && cl_particles_explosions_sparks.integer)
 712                         for (i = 0;i < 64 * cl_particles_quality.value;i++)
 713                                 particle(pt_ember, PARTICLE_SPARK, 0x903010, 0xFFD030, tex_particle, false, PBLEND_ADD, 1.0f, 0.01f, (1.0f / cl_particles_quality.value) * lhrandom(0, 255), (1.0f / cl_particles_quality.value) * 256, 9999, 0.7, 0, org[0], org[1], org[2], lhrandom(-256, 256), lhrandom(-256, 256), lhrandom(-256, 256) + 80, cl.time, 0, 0, 0, 0, 0);
 714 #else
 715                 if (cl_particles.integer && cl_particles_sparks.integer && cl_particles_explosions_sparks.integer)
 716                         for (i = 0;i < 256 * cl_particles_quality.value;i++)
 717                                 particle(pt_static, PARTICLE_SPARK, 0x903010, 0xFFD030, tex_particle, false, PBLEND_ADD, 1.5f, 0.05f, (1.0f / cl_particles_quality.value) * lhrandom(0, 255), (1.0f / cl_particles_quality.value) * 512, 9999, 1, 0, org[0], org[1], org[2], lhrandom(-192, 192), lhrandom(-192, 192), lhrandom(-192, 192) + 160, 0, 0, 0, 0, 0.2, 0);
 718 #endif
 719         }
 720
 721         if (cl_particles_explosions_shell.integer)
 722                 R_NewExplosion(org);
 723 }
 724
 725 /*
 726 ===============
 727 CL_ParticleExplosion2
 728
 729 ===============
 730 */
 731 void CL_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength)
 732 {
 733         vec3_t vel;
 734         vec3_t offset;
 735         int i, k;
 736         float pscale;
 737         if (!cl_particles.integer) return;
 738
 739         for (i = 0;i < 512 * cl_particles_quality.value;i++)
 740         {
 741                 VectorRandom (offset);
 742                 VectorScale (offset, 192, vel);
 743                 VectorScale (offset, 8, offset);
 744                 k = particlepalette[colorStart + (i % colorLength)];
 745                 pscale = lhrandom(0.5, 1.5);
 746                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, pscale, pscale, (1.0f / cl_particles_quality.value) * 255, (1.0f/cl_particles_quality.value)*512, 9999, 0, 0, org[0] + offset[0], org[1] + offset[1], org[2] + offset[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, lhrandom(1.5, 3), 0);
 747         }
 748 }
 749
 750 /*
 751 ===============
 752 CL_BlobExplosion
 753
 754 ===============
 755 */
 756 void CL_BlobExplosion (vec3_t org)
 757 {
 758         CL_ParticleExplosion(org);
 759 }
 760
 761 /*
 762 ===============
 763 CL_RunParticleEffect
 764
 765 ===============
 766 */
 767 void CL_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count)
 768 {
 769         int k;
 770
 771         if (count == 1024)
 772         {
 773                 CL_ParticleExplosion(org);
 774                 return;
 775         }
 776         if (!cl_particles.integer) return;
 777         count *= cl_particles_quality.value;
 778         while (count--)
 779         {
 780                 k = particlepalette[color + (rand()&7)];
 781                 if (gamemode == GAME_GOODVSBAD2)
 782                         particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ALPHA, 5, 5, (1.0f / cl_particles_quality.value) * 255, (1.0f / cl_particles_quality.value) * 300, 9999, 0, 0, org[0] + lhrandom(-8, 8), org[1] + lhrandom(-8, 8), org[2] + lhrandom(-8, 8), lhrandom(-10, 10), lhrandom(-10, 10), lhrandom(-10, 10), 0, 0, 0, 0, 0, 0);
 783                 else
 784                         particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ALPHA, 1, 1, (1.0f / cl_particles_quality.value) * 255, (1.0f / cl_particles_quality.value) * 512, 9999, 0, 0, org[0] + lhrandom(-8, 8), org[1] + lhrandom(-8, 8), org[2] + lhrandom(-8, 8), dir[0] + lhrandom(-15, 15), dir[1] + lhrandom(-15, 15), dir[2] + lhrandom(-15, 15), 0, 0, 0, 0, 0, 0);
 785         }
 786 }
 787
 788 // LordHavoc: added this for spawning sparks/dust (which have strong gravity)
 789 /*
 790 ===============
 791 CL_SparkShower
 792 ===============
 793 */
 794 void CL_SparkShower (vec3_t org, vec3_t dir, int count, vec_t gravityscale)
 795 {
 796         int k;
 797
 798         if (!cl_particles.integer) return;
 799
 800         if (cl_particles_sparks.integer)
 801         {
 802                 // sparks
 803                 count *= cl_particles_quality.value;
 804                 while(count--)
 805                 {
 806                         k = particlepalette[0x68 + (rand() & 7)];
 807                         particle(pt_static, PARTICLE_SPARK, k, k, tex_particle, false, PBLEND_ADD, 0.4f, 0.015f, (1.0f / cl_particles_quality.value) * lhrandom(64, 255), (1.0f / cl_particles_quality.value) * 512, 9999, gravityscale, 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);
 808                 }
 809         }
 810 }
 811
 812 void CL_Smoke (vec3_t org, vec3_t dir, int count)
 813 {
 814         vec3_t org2, org3;
 815         int k;
 816
 817         if (!cl_particles.integer) return;
 818
 819         // smoke puff
 820         if (cl_particles_smoke.integer)
 821         {
 822                 k = count * 0.25 * cl_particles_quality.value;
 823                 while(k--)
 824                 {
 825                         org2[0] = org[0] + 0.125f * lhrandom(-count, count);
 826                         org2[1] = org[1] + 0.125f * lhrandom(-count, count);
 827                         org2[2] = org[2] + 0.125f * lhrandom(-count, count);
 828                         CL_TraceLine(org, org2, org3, NULL, true, NULL, SUPERCONTENTS_SOLID);
 829                         particle(pt_grow, PARTICLE_BILLBOARD, 0x101010, 0x202020, tex_smoke[rand()&7], true, PBLEND_ADD, 3, 3, (1.0f / cl_particles_quality.value) * 255, (1.0f / cl_particles_quality.value) * 1024, 9999, 0, 0, org3[0], org3[1], org3[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 15, 0, 0, 0, 0, 0);
 830                 }
 831         }
 832 }
 833
 834 void CL_BulletMark (vec3_t org)
 835 {
 836         if (cl_stainmaps.integer)
 837                 R_Stain(org, 32, 96, 96, 96, 24, 128, 128, 128, 24);
 838         CL_SpawnDecalParticleForPoint(org, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
 839 }
 840
 841 void CL_PlasmaBurn (vec3_t org)
 842 {
 843         if (cl_stainmaps.integer)
 844                 R_Stain(org, 48, 96, 96, 96, 32, 128, 128, 128, 32);
 845         CL_SpawnDecalParticleForPoint(org, 6, 6, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
 846 }
 847
 848 static float bloodcount = 0;
 849 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
 850 {
 851         float s;
 852         vec3_t org2, org3;
 853         // bloodcount is used to accumulate counts too small to cause a blood particle
 854         if (!cl_particles.integer) return;
 855         if (!cl_particles_blood.integer) return;
 856
 857         s = count + 64.0f;
 858         count *= 5.0f;
 859         if (count > 1000)
 860                 count = 1000;
 861         bloodcount += count;
 862         while(bloodcount > 0)
 863         {
 864                 org2[0] = org[0] + 0.125f * lhrandom(-bloodcount, bloodcount);
 865                 org2[1] = org[1] + 0.125f * lhrandom(-bloodcount, bloodcount);
 866                 org2[2] = org[2] + 0.125f * lhrandom(-bloodcount, bloodcount);
 867                 CL_TraceLine(org, org2, org3, NULL, true, NULL, SUPERCONTENTS_SOLID);
 868                 particle(pt_blood, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], true, PBLEND_MOD, 8, 8, cl_particles_blood_alpha.value * 768 / cl_particles_quality.value, cl_particles_blood_alpha.value * 384 / cl_particles_quality.value, 9999, 0, -1, org3[0], org3[1], org3[2], vel[0] + lhrandom(-s, s), vel[1] + lhrandom(-s, s), vel[2] + lhrandom(-s, s), 0, 0, 0, 0, 1, 0);
 869                 bloodcount -= 16 / cl_particles_quality.value;
 870         }
 871 }
 872
 873 void CL_BloodShower (vec3_t mins, vec3_t maxs, float velspeed, int count)
 874 {
 875         vec3_t org, vel, diff, center, velscale;
 876         if (!cl_particles.integer) return;
 877         if (!cl_particles_bloodshowers.integer) return;
 878         if (!cl_particles_blood.integer) return;
 879
 880         VectorSubtract(maxs, mins, diff);
 881         center[0] = (mins[0] + maxs[0]) * 0.5;
 882         center[1] = (mins[1] + maxs[1]) * 0.5;
 883         center[2] = (mins[2] + maxs[2]) * 0.5;
 884         velscale[0] = velspeed * 2.0 / diff[0];
 885         velscale[1] = velspeed * 2.0 / diff[1];
 886         velscale[2] = velspeed * 2.0 / diff[2];
 887
 888         bloodcount += count * 5.0f;
 889         while (bloodcount > 0)
 890         {
 891                 org[0] = lhrandom(mins[0], maxs[0]);
 892                 org[1] = lhrandom(mins[1], maxs[1]);
 893                 org[2] = lhrandom(mins[2], maxs[2]);
 894                 vel[0] = (org[0] - center[0]) * velscale[0];
 895                 vel[1] = (org[1] - center[1]) * velscale[1];
 896                 vel[2] = (org[2] - center[2]) * velscale[2];
 897                 bloodcount -= 16 / cl_particles_quality.value;
 898                 particle(pt_blood, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], true, PBLEND_MOD, 8, 8, cl_particles_blood_alpha.value * 768 / cl_particles_quality.value, cl_particles_blood_alpha.value * 384 / cl_particles_quality.value, 9999, 0, -1, org[0], org[1], org[2], vel[0], vel[1], vel[2], 0, 0, 0, 0, 1, 0);
 899         }
 900 }
 901
 902 void CL_ParticleCube (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int gravity, int randomvel)
 903 {
 904         int k;
 905         float t;
 906         if (!cl_particles.integer) return;
 907         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 908         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 909         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 910
 911         count *= cl_particles_quality.value;
 912         while (count--)
 913         {
 914                 k = particlepalette[colorbase + (rand()&3)];
 915                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ALPHA, 2, 2, 255 / cl_particles_quality.value, 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);
 916         }
 917 }
 918
 919 void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int colorbase, int type)
 920 {
 921         int k;
 922         float t, z, minz, maxz;
 923         if (!cl_particles.integer) return;
 924         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 925         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 926         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 927         if (dir[2] < 0) // falling
 928         {
 929                 t = (maxs[2] - mins[2]) / -dir[2];
 930                 z = maxs[2];
 931         }
 932         else // rising??
 933         {
 934                 t = (maxs[2] - mins[2]) / dir[2];
 935                 z = mins[2];
 936         }
 937         if (t < 0 || t > 2) // sanity check
 938                 t = 2;
 939
 940         minz = z - fabs(dir[2]) * 0.1;
 941         maxz = z + fabs(dir[2]) * 0.1;
 942         minz = bound(mins[2], minz, maxs[2]);
 943         maxz = bound(mins[2], maxz, maxs[2]);
 944
 945         count *= cl_particles_quality.value;
 946
 947         switch(type)
 948         {
 949         case 0:
 950                 count *= 4; // ick, this should be in the mod or maps?
 951
 952                 while(count--)
 953                 {
 954                         k = particlepalette[colorbase + (rand()&3)];
 955                         if (gamemode == GAME_GOODVSBAD2)
 956                         {
 957                                 particle(pt_rain, PARTICLE_SPARK, k, k, tex_particle, true, PBLEND_ADD, 20, 20, lhrandom(8, 16) / cl_particles_quality.value, 0, t, 0, -1, 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);
 958                         }
 959                         else
 960                         {
 961                                 particle(pt_rain, PARTICLE_SPARK, k, k, tex_particle, true, PBLEND_ADD, 0.5, 0.02, lhrandom(8, 16) / cl_particles_quality.value, 0, t, 0, -1, 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);
 962                         }
 963                 }
 964                 break;
 965         case 1:
 966                 while(count--)
 967                 {
 968                         k = particlepalette[colorbase + (rand()&3)];
 969                         if (gamemode == GAME_GOODVSBAD2)
 970                         {
 971                                 particle(pt_snow, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 20, 20, lhrandom(64, 128) / cl_particles_quality.value, 0, t, 0, -1, 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);
 972                         }
 973                         else
 974                         {
 975                                 particle(pt_snow, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 1, 1, lhrandom(64, 128) / cl_particles_quality.value, 0, t, 0, -1, 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);
 976                         }
 977                 }
 978                 break;
 979         default:
 980                 Host_Error("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
 981         }
 982 }
 983
 984 void CL_Stardust (vec3_t mins, vec3_t maxs, int count)
 985 {
 986         int k;
 987         float t;
 988         vec3_t o, v, center;
 989         if (!cl_particles.integer) return;
 990
 991         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
 992         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
 993         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
 994
 995         center[0] = (mins[0] + maxs[0]) * 0.5f;
 996         center[1] = (mins[1] + maxs[1]) * 0.5f;
 997         center[2] = (mins[2] + maxs[2]) * 0.5f;
 998
 999         count *= cl_particles_quality.value;
1000         while (count--)
1001         {
1002                 k = particlepalette[224 + (rand()&15)];
1003                 o[0] = lhrandom(mins[0], maxs[0]);
1004                 o[1] = lhrandom(mins[1], maxs[1]);
1005                 o[2] = lhrandom(mins[2], maxs[2]);
1006                 VectorSubtract(o, center, v);
1007                 VectorNormalizeFast(v);
1008                 VectorScale(v, 100, v);
1009                 v[2] += sv_gravity.value * 0.15f;
1010                 particle(pt_static, PARTICLE_BILLBOARD, 0x903010, 0xFFD030, tex_particle, false, PBLEND_ADD, 1.5, 1.5, lhrandom(64, 128) / cl_particles_quality.value, 128 / cl_particles_quality.value, 9999, 1, 0, o[0], o[1], o[2], v[0], v[1], v[2], 0, 0, 0, 0, 0.2, 0);
1011         }
1012 }
1013
1014 void CL_FlameCube (vec3_t mins, vec3_t maxs, int count)
1015 {
1016         int k;
1017         float t;
1018         if (!cl_particles.integer) return;
1019         if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
1020         if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
1021         if (maxs[2] <= mins[2]) {t = mins[2];mins[2] = maxs[2];maxs[2] = t;}
1022
1023         count *= cl_particles_quality.value;
1024         while (count--)
1025         {
1026                 k = particlepalette[224 + (rand()&15)];
1027                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 4, 4, lhrandom(64, 128) / cl_particles_quality.value, 384 / cl_particles_quality.value, 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);
1028                 if (count & 1)
1029                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, PBLEND_ADD, 6, 6, lhrandom(48, 96) / cl_particles_quality.value, 64 / cl_particles_quality.value, 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);
1030         }
1031 }
1032
1033 void CL_Flames (vec3_t org, vec3_t vel, int count)
1034 {
1035         int k;
1036         if (!cl_particles.integer) return;
1037
1038         count *= cl_particles_quality.value;
1039         while (count--)
1040         {
1041                 k = particlepalette[224 + (rand()&15)];
1042                 particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, PBLEND_ADD, 4, 4, lhrandom(64, 128) / cl_particles_quality.value, 384 / cl_particles_quality.value, 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);
1043         }
1044 }
1045
1046
1047
1048 /*
1049 ===============
1050 CL_LavaSplash
1051
1052 ===============
1053 */
1054 void CL_LavaSplash (vec3_t origin)
1055 {
1056         float i, j, inc, vel;
1057         int k, l;
1058         vec3_t          dir, org;
1059         if (!cl_particles.integer) return;
1060
1061         inc = 32 / cl_particles_quality.value;
1062         for (i = -128;i < 128;i += inc)
1063         {
1064                 for (j = -128;j < 128;j += inc)
1065                 {
1066                         dir[0] = j + lhrandom(0, 8);
1067                         dir[1] = i + lhrandom(0, 8);
1068                         dir[2] = 256;
1069                         org[0] = origin[0] + dir[0];
1070                         org[1] = origin[1] + dir[1];
1071                         org[2] = origin[2] + lhrandom(0, 64);
1072                         vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
1073                         if (gamemode == GAME_GOODVSBAD2)
1074                         {
1075                                 k = particlepalette[0 + (rand()&255)];
1076                                 l = particlepalette[0 + (rand()&255)];
1077                                 particle(pt_static, PARTICLE_BILLBOARD, k, l, tex_particle, false, PBLEND_ADD, 12, 12, inc * 8, inc * 8, 9999, 0.05, 1, org[0], org[1], org[2], dir[0] * vel, dir[1] * vel, dir[2] * vel, 0, 0, 0, 0, 0, 0);
1078                         }
1079                         else
1080                         {
1081                                 k = l = particlepalette[224 + (rand()&7)];
1082                                 particle(pt_static, PARTICLE_BILLBOARD, k, l, tex_particle, false, PBLEND_ADD, 12, 12, inc * 8, inc * 8, 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);
1083                         }
1084                 }
1085         }
1086 }
1087
1088 /*
1089 ===============
1090 CL_TeleportSplash
1091
1092 ===============
1093 */
1094 #if WORKINGLQUAKE
1095 void R_TeleportSplash (vec3_t org)
1096 {
1097         float i, j, k, inc;
1098         if (!cl_particles.integer) return;
1099
1100         inc = 8 / cl_particles_quality.value;
1101         for (i = -16;i < 16;i += inc)
1102                 for (j = -16;j < 16;j += inc)
1103                         for (k = -24;k < 32;k += inc)
1104                                 particle(pt_static, PARTICLE_BILLBOARD, 0xA0A0A0, 0xFFFFFF, tex_particle, false, PBLEND_ADD, 10, 10, inc * 32, inc * lhrandom(8, 16), inc * 32, 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);
1105 }
1106 #endif
1107
1108 #ifdef WORKINGLQUAKE
1109 void R_RocketTrail (vec3_t start, vec3_t end, int type)
1110 #else
1111 void CL_RocketTrail (vec3_t start, vec3_t end, int type, int color, entity_t *ent)
1112 #endif
1113 {
1114         vec3_t vec, dir, vel, pos;
1115         float len, dec, speed, qd;
1116         int contents, smoke, blood, bubbles;
1117
1118         if (end[0] == start[0] && end[1] == start[1] && end[2] == start[2])
1119                 return;
1120
1121         VectorSubtract(end, start, dir);
1122         VectorNormalize(dir);
1123
1124         VectorSubtract (end, start, vec);
1125 #ifdef WORKINGLQUAKE
1126         len = VectorNormalize (vec);
1127         dec = 0;
1128         speed = 1.0f / cl.frametime;
1129         VectorSubtract(end, start, vel);
1130 #else
1131         len = VectorNormalizeLength (vec);
1132         dec = -ent->persistent.trail_time;
1133         ent->persistent.trail_time += len;
1134         if (ent->persistent.trail_time < 0.01f)
1135                 return;
1136
1137         // if we skip out, leave it reset
1138         ent->persistent.trail_time = 0.0f;
1139
1140         speed = ent->state_current.time - ent->state_previous.time;
1141         if (speed)
1142                 speed = 1.0f / speed;
1143         VectorSubtract(ent->state_current.origin, ent->state_previous.origin, vel);
1144         color = particlepalette[color];
1145 #endif
1146         VectorScale(vel, speed, vel);
1147
1148         // advance into this frame to reach the first puff location
1149         VectorMA(start, dec, vec, pos);
1150         len -= dec;
1151
1152         contents = CL_PointQ1Contents(pos);
1153         if (contents == CONTENTS_SKY || contents == CONTENTS_LAVA)
1154                 return;
1155
1156         smoke = cl_particles.integer && cl_particles_smoke.integer;
1157         blood = cl_particles.integer && cl_particles_blood.integer;
1158         bubbles = cl_particles.integer && cl_particles_bubbles.integer && (contents == CONTENTS_WATER || contents == CONTENTS_SLIME);
1159         qd = 1.0f / cl_particles_quality.value;
1160
1161         while (len >= 0)
1162         {
1163                 switch (type)
1164                 {
1165                         case 0: // rocket trail
1166                                 dec = qd*3;
1167                                 if (smoke)
1168                                 {
1169                                         particle(pt_grow,   PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, PBLEND_ADD, 3, 3, qd*cl_particles_smoke_alpha.value*125, qd*cl_particles_smoke_alphafade.value*125, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 7, 0, 0, 0, 0, 0);
1170                                         particle(pt_static, PARTICLE_BILLBOARD, 0x801010, 0xFFA020, tex_smoke[rand()&7], false, PBLEND_ADD, 3, 3, qd*cl_particles_smoke_alpha.value*288, qd*cl_particles_smoke_alphafade.value*1400, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-20, 20), lhrandom(-20, 20), lhrandom(-20, 20), 0, 0, 0, 0, 0, 0);
1171                                 }
1172                                 if (bubbles)
1173                                         particle(pt_bubble, PARTICLE_BILLBOARD, 0x404040, 0x808080, tex_bubble, false, PBLEND_ADD, 2, 2, qd*lhrandom(64, 255), qd*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);
1174                                 break;
1175
1176                         case 1: // grenade trail
1177                                 // FIXME: make it gradually stop smoking
1178                                 dec = qd*3;
1179                                 if (smoke)
1180                                         particle(pt_grow, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], false, PBLEND_ADD, 3, 3, qd*cl_particles_smoke_alpha.value*100, qd*cl_particles_smoke_alphafade.value*100, 9999, 0, 0, pos[0], pos[1], pos[2], lhrandom(-5, 5), lhrandom(-5, 5), lhrandom(-5, 5), 7, 0, 0, 0, 0, 0);
1181                                 break;
1182
1183
1184                         case 2: // blood
1185                         case 4: // slight blood
1186                                 dec = qd*16;
1187                                 if (blood)
1188                                         particle(pt_blood, PARTICLE_BILLBOARD, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], true, PBLEND_MOD, 8, 8, qd * cl_particles_blood_alpha.value * 768.0f, qd * cl_particles_blood_alpha.value * 384.0f, 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);
1189                                 break;
1190
1191                         case 3: // green tracer
1192                                 dec = qd*6;
1193                                 if (smoke)
1194                                 {
1195                                         if (gamemode == GAME_GOODVSBAD2)
1196                                                 particle(pt_static, PARTICLE_BILLBOARD, 0x00002E, 0x000030, tex_particle, false, PBLEND_ADD, 6, 6, qd*128, qd*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);
1197                                         else
1198                                                 particle(pt_static, PARTICLE_BILLBOARD, 0x002000, 0x003000, tex_particle, false, PBLEND_ADD, 6, 6, qd*128, qd*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);
1199                                 }
1200                                 break;
1201
1202                         case 5: // flame tracer
1203                                 dec = qd*6;
1204                                 if (smoke)
1205                                         particle(pt_static, PARTICLE_BILLBOARD, 0x301000, 0x502000, tex_particle, false, PBLEND_ADD, 6, 6, qd*128, qd*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);
1206                                 break;
1207
1208                         case 6: // voor trail
1209                                 dec = qd*6;
1210                                 if (smoke)
1211                                 {
1212                                         if (gamemode == GAME_GOODVSBAD2)
1213                                                 particle(pt_static, PARTICLE_BILLBOARD, particlepalette[0 + (rand()&255)], particlepalette[0 + (rand()&255)], tex_particle, false, PBLEND_ALPHA, 6, 6, qd*255, qd*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);
1214                                         else if (gamemode == GAME_PRYDON)
1215                                                 particle(pt_static, PARTICLE_BILLBOARD, 0x103040, 0x204050, tex_particle, false, PBLEND_ADD, 6, 6, qd*128, qd*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);
1216                                         else
1217                                                 particle(pt_static, PARTICLE_BILLBOARD, 0x502030, 0x502030, tex_particle, false, PBLEND_ADD, 6, 6, qd*128, qd*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);
1218                                 }
1219                                 break;
1220 #ifndef WORKINGLQUAKE
1221                         case 7: // Nehahra smoke tracer
1222                                 dec = qd*7;
1223                                 if (smoke)
1224                                         particle(pt_static, PARTICLE_BILLBOARD, 0x303030, 0x606060, tex_smoke[rand()&7], true, PBLEND_ALPHA, 7, 7, qd*64, qd*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);
1225                                 break;
1226                         case 8: // Nexuiz plasma trail
1227                                 dec = qd*4;
1228                                 if (smoke)
1229                                         particle(pt_static, PARTICLE_BILLBOARD, 0x283880, 0x283880, tex_particle, false, PBLEND_ADD, 4, 4, qd*255, qd*1024, 9999, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
1230                                 break;
1231                         case 9: // glow trail
1232                                 dec = qd*3;
1233                                 if (smoke)
1234                                         particle(pt_static, PARTICLE_BILLBOARD, color, color, tex_particle, false, PBLEND_ALPHA, 5, 5, qd*128, qd*320, 9999, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, 0, 0);
1235                                 break;
1236 #endif
1237                 }
1238
1239                 // advance to next time and position
1240                 len -= dec;
1241                 VectorMA (pos, dec, vec, pos);
1242         }
1243 #ifndef WORKINGLQUAKE
1244         ent->persistent.trail_time = len;
1245 #endif
1246 }
1247
1248 void CL_BeamParticle (const vec3_t start, const vec3_t end, vec_t radius, float red, float green, float blue, float alpha, float lifetime)
1249 {
1250         int tempcolor2, cr, cg, cb;
1251         cr = red * 255;
1252         cg = green * 255;
1253         cb = blue * 255;
1254         tempcolor2 = (bound(0, cr, 255) << 16) | (bound(0, cg, 255) << 8) | bound(0, cb, 255);
1255         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);
1256 }
1257
1258 void CL_Tei_Smoke(const vec3_t org, const vec3_t dir, int count)
1259 {
1260         float f;
1261         if (!cl_particles.integer) return;
1262
1263         // smoke puff
1264         if (cl_particles_smoke.integer)
1265                 for (f = 0;f < count;f += 4.0f / cl_particles_quality.value)
1266                         particle(pt_grow, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, PBLEND_ADD, 5, 5, 255 / cl_particles_quality.value, 512 / cl_particles_quality.value, 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);
1267 }
1268
1269 void CL_Tei_PlasmaHit(const vec3_t org, const vec3_t dir, int count)
1270 {
1271         float f;
1272         if (!cl_particles.integer) return;
1273
1274         if (cl_stainmaps.integer)
1275                 R_Stain(org, 40, 96, 96, 96, 40, 128, 128, 128, 40);
1276         CL_SpawnDecalParticleForPoint(org, 6, 8, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
1277
1278         // smoke puff
1279         if (cl_particles_smoke.integer)
1280                 for (f = 0;f < count;f += 4.0f / cl_particles_quality.value)
1281                         particle(pt_grow, PARTICLE_BILLBOARD, 0x202020, 0x404040, tex_smoke[rand()&7], true, PBLEND_ADD, 5, 5, 255 / cl_particles_quality.value, 512 / cl_particles_quality.value, 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);
1282
1283         // sparks
1284         if (cl_particles_sparks.integer)
1285                 for (f = 0;f < count;f += 1.0f / cl_particles_quality.value)
1286                         particle(pt_static, PARTICLE_SPARK, 0x2030FF, 0x80C0FF, tex_particle, false, PBLEND_ADD, 2.0f, 0.1f, lhrandom(64, 255) / cl_particles_quality.value, 512 / cl_particles_quality.value, 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);
1287 }
1288
1289 /*
1290 ===============
1291 CL_MoveParticles
1292 ===============
1293 */
1294 void CL_MoveParticles (void)
1295 {
1296         particle_t *p;
1297         int i, maxparticle, j, a, content;
1298         float gravity, dvel, bloodwaterfade, frametime, f, dist, normal[3], v[3], org[3];
1299 #ifdef WORKINGLQUAKE
1300         void *hitent;
1301 #else
1302         entity_render_t *hitent;
1303 #endif
1304
1305         // LordHavoc: early out condition
1306         if (!cl_numparticles)
1307         {
1308                 cl_freeparticle = 0;
1309                 return;
1310         }
1311
1312 #ifdef WORKINGLQUAKE
1313         frametime = cl.frametime;
1314 #else
1315         frametime = cl.time - cl.oldtime;
1316 #endif
1317         gravity = frametime * sv_gravity.value;
1318         dvel = 1+4*frametime;
1319         bloodwaterfade = max(cl_particles_blood_alpha.value, 0.01f) * frametime * 128.0f;
1320
1321         maxparticle = -1;
1322         j = 0;
1323         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
1324         {
1325                 if (!p->type)
1326                         continue;
1327                 maxparticle = i;
1328                 content = 0;
1329                 VectorCopy(p->org, p->oldorg);
1330                 VectorMA(p->org, frametime, p->vel, p->org);
1331                 VectorCopy(p->org, org);
1332                 if (p->bounce)
1333                 {
1334                         if (p->type == pt_rain)
1335                         {
1336                                 // raindrop - splash on solid/water/slime/lava
1337                                 if (CL_TraceLine(p->oldorg, p->org, v, normal, true, &hitent, SUPERCONTENTS_SOLID | SUPERCONTENTS_LIQUIDSMASK) < 1)
1338                                 {
1339                                         VectorCopy(v, p->org);
1340                                         // splash
1341                                         p->type = pt_raindecal;
1342                                         p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1343                                         // convert from a raindrop particle to a rainsplash decal
1344                                         p->texnum = tex_rainsplash[0];
1345                                         p->time2 = cl.time;
1346                                         p->die = p->time2 + 0.4;
1347                                         p->alphafade = p->alpha / 0.4;
1348                                         VectorCopy(normal, p->vel2);
1349                                         VectorClear(p->vel);
1350                                         VectorAdd(p->org, normal, p->org);
1351                                         p->bounce = 0;
1352                                         p->friction = 0;
1353                                         p->gravity = 0;
1354                                         p->scalex = 8.0;
1355                                         p->scaley = 8.0;
1356                                 }
1357                         }
1358                         else if (p->type == pt_blood)
1359                         {
1360                                 // blood - splash on solid
1361                                 if (CL_TraceLine(p->oldorg, p->org, v, normal, true, &hitent, SUPERCONTENTS_SOLID) < 1)
1362                                 {
1363                                         VectorCopy(v, p->org);
1364 #ifndef WORKINGLQUAKE
1365                                         if (cl_stainmaps.integer)
1366                                                 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));
1367 #endif
1368                                         if (!cl_decals.integer)
1369                                         {
1370                                                 p->type = pt_dead;
1371                                                 continue;
1372                                         }
1373
1374                                         p->type = pt_decal;
1375                                         p->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
1376                                         // convert from a blood particle to a blood decal
1377                                         p->texnum = tex_blooddecal[rand()&7];
1378 #ifndef WORKINGLQUAKE
1379                                         p->owner = hitent;
1380                                         p->ownermodel = hitent->model;
1381                                         Matrix4x4_Transform(&hitent->inversematrix, v, p->relativeorigin);
1382                                         Matrix4x4_Transform3x3(&hitent->inversematrix, normal, p->relativedirection);
1383                                         VectorAdd(p->relativeorigin, p->relativedirection, p->relativeorigin);
1384 #endif
1385                                         p->time2 = cl.time;
1386                                         p->die = p->time2 + cl_decals_time.value + cl_decals_fadetime.value;
1387                                         p->alphafade = 0;
1388                                         VectorCopy(normal, p->vel2);
1389                                         VectorClear(p->vel);
1390                                         VectorAdd(p->org, normal, p->org);
1391                                         p->bounce = 0;
1392                                         p->friction = 0;
1393                                         p->gravity = 0;
1394                                         p->scalex *= 2.0f;
1395                                         p->scaley *= 2.0f;
1396                                 }
1397                         }
1398                         else
1399                         {
1400                                 if (CL_TraceLine(p->oldorg, p->org, v, normal, true, &hitent, SUPERCONTENTS_SOLID) < 1)
1401                                 {
1402                                         VectorCopy(v, p->org);
1403                                         if (p->bounce < 0)
1404                                         {
1405                                                 p->type = pt_dead;
1406                                                 continue;
1407                                         }
1408                                         else
1409                                         {
1410                                                 dist = DotProduct(p->vel, normal) * -p->bounce;
1411                                                 VectorMA(p->vel, dist, normal, p->vel);
1412                                                 if (DotProduct(p->vel, p->vel) < 0.03)
1413                                                         VectorClear(p->vel);
1414                                         }
1415                                 }
1416                         }
1417                 }
1418
1419                 p->vel[2] -= p->gravity * gravity;
1420
1421                 p->alpha -= p->alphafade * frametime;
1422
1423                 if (p->alpha <= 0 || cl.time > p->die)
1424                 {
1425                         p->type = pt_dead;
1426                         continue;
1427                 }
1428
1429                 if (p->friction)
1430                 {
1431                         f = p->friction * frametime;
1432                         if (!content)
1433                                 content = CL_PointQ1Contents(p->org);
1434                         if (content != CONTENTS_EMPTY)
1435                                 f *= 4;
1436                         f = 1.0f - f;
1437                         VectorScale(p->vel, f, p->vel);
1438                 }
1439
1440                 if (p->type != pt_static)
1441                 {
1442                         switch (p->type)
1443                         {
1444                         case pt_blood:
1445                                 if (!content)
1446                                         content = CL_PointQ1Contents(p->org);
1447                                 a = content;
1448                                 if (a != CONTENTS_EMPTY)
1449                                 {
1450                                         if (a == CONTENTS_WATER || a == CONTENTS_SLIME)
1451                                         {
1452                                                 p->scalex += frametime * 8;
1453                                                 p->scaley += frametime * 8;
1454                                                 //p->alpha -= bloodwaterfade;
1455                                         }
1456                                         else
1457                                                 p->type = pt_dead;
1458                                 }
1459                                 else
1460                                         p->vel[2] -= gravity;
1461                                 break;
1462                         case pt_bubble:
1463                                 if (!content)
1464                                         content = CL_PointQ1Contents(p->org);
1465                                 if (content != CONTENTS_WATER && content != CONTENTS_SLIME)
1466                                 {
1467                                         p->type = pt_dead;
1468                                         break;
1469                                 }
1470                                 break;
1471                         case pt_rain:
1472                                 if (!content)
1473                                         content = CL_PointQ1Contents(p->org);
1474                                 a = content;
1475                                 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1476                                         p->type = pt_dead;
1477                                 break;
1478                         case pt_snow:
1479                                 if (cl.time > p->time2)
1480                                 {
1481                                         // snow flutter
1482                                         p->time2 = cl.time + (rand() & 3) * 0.1;
1483                                         p->vel[0] = lhrandom(-32, 32) + p->vel2[0];
1484                                         p->vel[1] = lhrandom(-32, 32) + p->vel2[1];
1485                                         p->vel[2] = /*lhrandom(-32, 32) +*/ p->vel2[2];
1486                                 }
1487                                 if (!content)
1488                                         content = CL_PointQ1Contents(p->org);
1489                                 a = content;
1490                                 if (a != CONTENTS_EMPTY && a != CONTENTS_SKY)
1491                                         p->type = pt_dead;
1492                                 break;
1493                         case pt_grow:
1494                                 p->scalex += frametime * p->time2;
1495                                 p->scaley += frametime * p->time2;
1496                                 break;
1497                         case pt_decal:
1498                                 p->alphafade = cl.time > (p->time2 + cl_decals_time.value) ? (p->alpha / cl_decals_fadetime.value) : 0;
1499 #ifndef WORKINGLQUAKE
1500                                 if (p->owner->model == p->ownermodel)
1501                                 {
1502                                         Matrix4x4_Transform(&p->owner->matrix, p->relativeorigin, p->org);
1503                                         Matrix4x4_Transform3x3(&p->owner->matrix, p->relativedirection, p->vel2);
1504                                 }
1505                                 else
1506                                         p->type = pt_dead;
1507 #endif
1508                                 break;
1509                         case pt_raindecal:
1510                                 a = max(0, (cl.time - p->time2) * 40);
1511                                 if (a < 16)
1512                                         p->texnum = tex_rainsplash[a];
1513                                 else
1514                                         p->type = pt_dead;
1515                                 break;
1516                         case pt_ember:
1517                                 while (cl.time > p->time2)
1518                                 {
1519                                         p->time2 += 0.025;
1520                                         particle(pt_static, PARTICLE_SPARK, 0x903010, 0xFFD030, tex_particle, false, PBLEND_ADD, p->scalex * 0.75, p->scaley * 0.75, p->alpha, p->alphafade, 9999, 0.5, 0, p->org[0], p->org[1], p->org[2], p->vel[0] * lhrandom(0.4, 0.6), p->vel[1] * lhrandom(0.4, 0.6), p->vel[2] * lhrandom(0.4, 0.6), 0, 0, 0, 0, 0, 0);
1521                                 }
1522                                 break;
1523                         default:
1524                                 Con_Printf("unknown particle type %i\n", p->type);
1525                                 p->type = pt_dead;
1526                                 break;
1527                         }
1528                 }
1529         }
1530         cl_numparticles = maxparticle + 1;
1531         cl_freeparticle = 0;
1532 }
1533
1534 #define MAX_PARTICLETEXTURES 64
1535 // particletexture_t is a rectangle in the particlefonttexture
1536 typedef struct
1537 {
1538         rtexture_t *texture;
1539         float s1, t1, s2, t2;
1540 }
1541 particletexture_t;
1542
1543 #if WORKINGLQUAKE
1544 static int particlefonttexture;
1545 #else
1546 static rtexturepool_t *particletexturepool;
1547 static rtexture_t *particlefonttexture;
1548 #endif
1549 static particletexture_t particletexture[MAX_PARTICLETEXTURES];
1550
1551 static cvar_t r_drawparticles = {0, "r_drawparticles", "1"};
1552
1553 #define PARTICLETEXTURESIZE 64
1554 #define PARTICLEFONTSIZE (PARTICLETEXTURESIZE*8)
1555
1556 static qbyte shadebubble(float dx, float dy, vec3_t light)
1557 {
1558         float dz, f, dot;
1559         vec3_t normal;
1560         dz = 1 - (dx*dx+dy*dy);
1561         if (dz > 0) // it does hit the sphere
1562         {
1563                 f = 0;
1564                 // back side
1565                 normal[0] = dx;normal[1] = dy;normal[2] = dz;
1566                 VectorNormalize(normal);
1567                 dot = DotProduct(normal, light);
1568                 if (dot > 0.5) // interior reflection
1569                         f += ((dot *  2) - 1);
1570                 else if (dot < -0.5) // exterior reflection
1571                         f += ((dot * -2) - 1);
1572                 // front side
1573                 normal[0] = dx;normal[1] = dy;normal[2] = -dz;
1574                 VectorNormalize(normal);
1575                 dot = DotProduct(normal, light);
1576                 if (dot > 0.5) // interior reflection
1577                         f += ((dot *  2) - 1);
1578                 else if (dot < -0.5) // exterior reflection
1579                         f += ((dot * -2) - 1);
1580                 f *= 128;
1581                 f += 16; // just to give it a haze so you can see the outline
1582                 f = bound(0, f, 255);
1583                 return (qbyte) f;
1584         }
1585         else
1586                 return 0;
1587 }
1588
1589 static void setuptex(int texnum, qbyte *data, qbyte *particletexturedata)
1590 {
1591         int basex, basey, y;
1592         basex = ((texnum >> 0) & 7) * PARTICLETEXTURESIZE;
1593         basey = ((texnum >> 3) & 7) * PARTICLETEXTURESIZE;
1594         particletexture[texnum].s1 = (basex + 1) / (float)PARTICLEFONTSIZE;
1595         particletexture[texnum].t1 = (basey + 1) / (float)PARTICLEFONTSIZE;
1596         particletexture[texnum].s2 = (basex + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
1597         particletexture[texnum].t2 = (basey + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
1598         for (y = 0;y < PARTICLETEXTURESIZE;y++)
1599                 memcpy(particletexturedata + ((basey + y) * PARTICLEFONTSIZE + basex) * 4, data + y * PARTICLETEXTURESIZE * 4, PARTICLETEXTURESIZE * 4);
1600 }
1601
1602 void particletextureblotch(qbyte *data, float radius, float red, float green, float blue, float alpha)
1603 {
1604         int x, y;
1605         float cx, cy, dx, dy, f, iradius;
1606         qbyte *d;
1607         cx = (lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius) + lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius)) * 0.5f;
1608         cy = (lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius) + lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius)) * 0.5f;
1609         iradius = 1.0f / radius;
1610         alpha *= (1.0f / 255.0f);
1611         for (y = 0;y < PARTICLETEXTURESIZE;y++)
1612         {
1613                 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1614                 {
1615                         dx = (x - cx);
1616                         dy = (y - cy);
1617                         f = (1.0f - sqrt(dx * dx + dy * dy) * iradius) * alpha;
1618                         if (f > 0)
1619                         {
1620                                 d = data + (y * PARTICLETEXTURESIZE + x) * 4;
1621                                 d[0] += f * (red   - d[0]);
1622                                 d[1] += f * (green - d[1]);
1623                                 d[2] += f * (blue  - d[2]);
1624                         }
1625                 }
1626         }
1627 }
1628
1629 void particletextureclamp(qbyte *data, int minr, int ming, int minb, int maxr, int maxg, int maxb)
1630 {
1631         int i;
1632         for (i = 0;i < PARTICLETEXTURESIZE*PARTICLETEXTURESIZE;i++, data += 4)
1633         {
1634                 data[0] = bound(minr, data[0], maxr);
1635                 data[1] = bound(ming, data[1], maxg);
1636                 data[2] = bound(minb, data[2], maxb);
1637         }
1638 }
1639
1640 void particletextureinvert(qbyte *data)
1641 {
1642         int i;
1643         for (i = 0;i < PARTICLETEXTURESIZE*PARTICLETEXTURESIZE;i++, data += 4)
1644         {
1645                 data[0] = 255 - data[0];
1646                 data[1] = 255 - data[1];
1647                 data[2] = 255 - data[2];
1648         }
1649 }
1650
1651 static void R_InitParticleTexture (void)
1652 {
1653         int x, y, d, i, j, k, m;
1654         float dx, dy, radius, f, f2;
1655         qbyte data[PARTICLETEXTURESIZE][PARTICLETEXTURESIZE][4], noise1[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2], noise2[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2], noise3[64][64], data2[64][16][4];
1656         vec3_t light;
1657         qbyte *particletexturedata;
1658
1659         // a note: decals need to modulate (multiply) the background color to
1660         // properly darken it (stain), and they need to be able to alpha fade,
1661         // this is a very difficult challenge because it means fading to white
1662         // (no change to background) rather than black (darkening everything
1663         // behind the whole decal polygon), and to accomplish this the texture is
1664         // inverted (dark red blood on white background becomes brilliant cyan
1665         // and white on black background) so we can alpha fade it to black, then
1666         // we invert it again during the blendfunc to make it work...
1667
1668         particletexturedata = Mem_Alloc(tempmempool, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
1669         memset(particletexturedata, 255, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
1670
1671         // smoke
1672         for (i = 0;i < 8;i++)
1673         {
1674                 memset(&data[0][0][0], 255, sizeof(data));
1675                 do
1676                 {
1677                         fractalnoise(&noise1[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/8);
1678                         fractalnoise(&noise2[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/4);
1679                         m = 0;
1680                         for (y = 0;y < PARTICLETEXTURESIZE;y++)
1681                         {
1682                                 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1683                                 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1684                                 {
1685                                         dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1686                                         d = (noise2[y][x] - 128) * 3 + 192;
1687                                         if (d > 0)
1688                                                 d = d * (1-(dx*dx+dy*dy));
1689                                         d = (d * noise1[y][x]) >> 7;
1690                                         d = bound(0, d, 255);
1691                                         data[y][x][3] = (qbyte) d;
1692                                         if (m < d)
1693                                                 m = d;
1694                                 }
1695                         }
1696                 }
1697                 while (m < 224);
1698                 setuptex(tex_smoke[i], &data[0][0][0], particletexturedata);
1699         }
1700
1701         // rain splash
1702         for (i = 0;i < 16;i++)
1703         {
1704                 memset(&data[0][0][0], 255, sizeof(data));
1705                 radius = i * 3.0f / 4.0f / 16.0f;
1706                 f2 = 255.0f * ((15.0f - i) / 15.0f);
1707                 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1708                 {
1709                         dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1710                         for (x = 0;x < PARTICLETEXTURESIZE;x++)
1711                         {
1712                                 dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1713                                 f = f2 * (1.0 - 4.0f * fabs(radius - sqrt(dx*dx+dy*dy)));
1714                                 data[y][x][3] = (int) (bound(0.0f, f, 255.0f));
1715                         }
1716                 }
1717                 setuptex(tex_rainsplash[i], &data[0][0][0], particletexturedata);
1718         }
1719
1720         // normal particle
1721         memset(&data[0][0][0], 255, sizeof(data));
1722         for (y = 0;y < PARTICLETEXTURESIZE;y++)
1723         {
1724                 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1725                 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1726                 {
1727                         dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1728                         d = 256 * (1 - (dx*dx+dy*dy));
1729                         d = bound(0, d, 255);
1730                         data[y][x][3] = (qbyte) d;
1731                 }
1732         }
1733         setuptex(tex_particle, &data[0][0][0], particletexturedata);
1734
1735         // rain
1736         memset(&data[0][0][0], 255, sizeof(data));
1737         light[0] = 1;light[1] = 1;light[2] = 1;
1738         VectorNormalize(light);
1739         for (y = 0;y < PARTICLETEXTURESIZE;y++)
1740         {
1741                 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1742                 // stretch upper half of bubble by +50% and shrink lower half by -50%
1743                 // (this gives an elongated teardrop shape)
1744                 if (dy > 0.5f)
1745                         dy = (dy - 0.5f) * 2.0f;
1746                 else
1747                         dy = (dy - 0.5f) / 1.5f;
1748                 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1749                 {
1750                         dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1751                         // shrink bubble width to half
1752                         dx *= 2.0f;
1753                         data[y][x][3] = shadebubble(dx, dy, light);
1754                 }
1755         }
1756         setuptex(tex_raindrop, &data[0][0][0], particletexturedata);
1757
1758         // bubble
1759         memset(&data[0][0][0], 255, sizeof(data));
1760         light[0] = 1;light[1] = 1;light[2] = 1;
1761         VectorNormalize(light);
1762         for (y = 0;y < PARTICLETEXTURESIZE;y++)
1763         {
1764                 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1765                 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1766                 {
1767                         dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1768                         data[y][x][3] = shadebubble(dx, dy, light);
1769                 }
1770         }
1771         setuptex(tex_bubble, &data[0][0][0], particletexturedata);
1772
1773         // blood particles
1774         for (i = 0;i < 8;i++)
1775         {
1776                 memset(&data[0][0][0], 255, sizeof(data));
1777                 for (k = 0;k < 24;k++)
1778                         particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/16, 96, 0, 0, 160);
1779                 //particletextureclamp(&data[0][0][0], 32, 32, 32, 255, 255, 255);
1780                 particletextureinvert(&data[0][0][0]);
1781                 setuptex(tex_bloodparticle[i], &data[0][0][0], particletexturedata);
1782         }
1783
1784         // blood decals
1785         for (i = 0;i < 8;i++)
1786         {
1787                 memset(&data[0][0][0], 255, sizeof(data));
1788                 m = 8;
1789                 for (j = 1;j < 10;j++)
1790                         for (k = min(j, m - 1);k < m;k++)
1791                                 particletextureblotch(&data[0][0][0], (float)j*PARTICLETEXTURESIZE/64.0f, 96, 0, 0, 192 - j * 8);
1792                 //particletextureclamp(&data[0][0][0], 32, 32, 32, 255, 255, 255);
1793                 particletextureinvert(&data[0][0][0]);
1794                 setuptex(tex_blooddecal[i], &data[0][0][0], particletexturedata);
1795         }
1796
1797         // bullet decals
1798         for (i = 0;i < 8;i++)
1799         {
1800                 memset(&data[0][0][0], 255, sizeof(data));
1801                 for (k = 0;k < 12;k++)
1802                         particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/16, 0, 0, 0, 128);
1803                 for (k = 0;k < 3;k++)
1804                         particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/2, 0, 0, 0, 160);
1805                 //particletextureclamp(&data[0][0][0], 64, 64, 64, 255, 255, 255);
1806                 particletextureinvert(&data[0][0][0]);
1807                 setuptex(tex_bulletdecal[i], &data[0][0][0], particletexturedata);
1808         }
1809
1810 #if WORKINGLQUAKE
1811         glBindTexture(GL_TEXTURE_2D, (particlefonttexture = gl_extension_number++));
1812         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
1813         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1814 #else
1815
1816 #if 0
1817         Image_WriteTGARGBA ("particles/particlefont.tga", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata);
1818 #endif
1819
1820         particlefonttexture = loadtextureimage(particletexturepool, "particles/particlefont.tga", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
1821         if (!particlefonttexture)
1822                 particlefonttexture = R_LoadTexture2D(particletexturepool, "particlefont", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
1823         for (i = 0;i < MAX_PARTICLETEXTURES;i++)
1824                 particletexture[i].texture = particlefonttexture;
1825
1826         // nexbeam
1827         fractalnoise(&noise3[0][0], 64, 4);
1828         m = 0;
1829         for (y = 0;y < 64;y++)
1830         {
1831                 dy = (y - 0.5f*64) / (64*0.5f-1);
1832                 for (x = 0;x < 16;x++)
1833                 {
1834                         dx = (x - 0.5f*16) / (16*0.5f-2);
1835                         d = (1 - sqrt(fabs(dx))) * noise3[y][x];
1836                         data2[y][x][0] = data2[y][x][1] = data2[y][x][2] = (qbyte) bound(0, d, 255);
1837                         data2[y][x][3] = 255;
1838                 }
1839         }
1840
1841 #if 0
1842         Image_WriteTGARGBA ("particles/nexbeam.tga", 64, 64, &data2[0][0][0]);
1843 #endif
1844
1845         particletexture[tex_beam].texture = loadtextureimage(particletexturepool, "particles/nexbeam.tga", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
1846         if (!particletexture[tex_beam].texture)
1847                 particletexture[tex_beam].texture = R_LoadTexture2D(particletexturepool, "nexbeam", 16, 64, &data2[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
1848         particletexture[tex_beam].s1 = 0;
1849         particletexture[tex_beam].t1 = 0;
1850         particletexture[tex_beam].s2 = 1;
1851         particletexture[tex_beam].t2 = 1;
1852 #endif
1853         Mem_Free(particletexturedata);
1854 }
1855
1856 static void r_part_start(void)
1857 {
1858         particletexturepool = R_AllocTexturePool();
1859         R_InitParticleTexture ();
1860 }
1861
1862 static void r_part_shutdown(void)
1863 {
1864         R_FreeTexturePool(&particletexturepool);
1865 }
1866
1867 static void r_part_newmap(void)
1868 {
1869         cl_numparticles = 0;
1870         cl_freeparticle = 0;
1871 }
1872
1873 void R_Particles_Init (void)
1874 {
1875         Cvar_RegisterVariable(&r_drawparticles);
1876 #ifdef WORKINGLQUAKE
1877         r_part_start();
1878 #else
1879         R_RegisterModule("R_Particles", r_part_start, r_part_shutdown, r_part_newmap);
1880 #endif
1881 }
1882
1883 #ifdef WORKINGLQUAKE
1884 void R_InitParticles(void)
1885 {
1886         CL_Particles_Init();
1887         R_Particles_Init();
1888 }
1889 #endif
1890
1891 float particle_vertex3f[12], particle_texcoord2f[8];
1892
1893 #ifdef WORKINGLQUAKE
1894 void R_DrawParticle(particle_t *p)
1895 {
1896 #else
1897 void R_DrawParticleCallback(const void *calldata1, int calldata2)
1898 {
1899         const particle_t *p = calldata1;
1900         rmeshstate_t m;
1901 #endif
1902         float org[3], up2[3], v[3], right[3], up[3], fog, ifog, fogvec[3], cr, cg, cb, ca, scalex, scaley;
1903         particletexture_t *tex;
1904
1905         VectorCopy(p->org, org);
1906
1907         tex = &particletexture[p->texnum];
1908         cr = p->color[0] * (1.0f / 255.0f);
1909         cg = p->color[1] * (1.0f / 255.0f);
1910         cb = p->color[2] * (1.0f / 255.0f);
1911         ca = p->alpha * (1.0f / 255.0f);
1912         if (p->blendmode == PBLEND_MOD)
1913         {
1914                 cr *= ca;
1915                 cg *= ca;
1916                 cb *= ca;
1917                 cr = min(cr, 1);
1918                 cg = min(cg, 1);
1919                 cb = min(cb, 1);
1920                 ca = 1;
1921         }
1922
1923 #ifndef WORKINGLQUAKE
1924         if (fogenabled && p->blendmode != PBLEND_MOD)
1925         {
1926                 VectorSubtract(org, r_vieworigin, fogvec);
1927                 fog = exp(fogdensity/DotProduct(fogvec,fogvec));
1928                 ifog = 1 - fog;
1929                 cr = cr * ifog;
1930                 cg = cg * ifog;
1931                 cb = cb * ifog;
1932                 if (p->blendmode == 0)
1933                 {
1934                         cr += fogcolor[0] * fog;
1935                         cg += fogcolor[1] * fog;
1936                         cb += fogcolor[2] * fog;
1937                 }
1938         }
1939
1940         R_Mesh_Matrix(&r_identitymatrix);
1941
1942         memset(&m, 0, sizeof(m));
1943         m.tex[0] = R_GetTexture(tex->texture);
1944         m.pointer_texcoord[0] = particle_texcoord2f;
1945         m.pointer_vertex = particle_vertex3f;
1946         R_Mesh_State(&m);
1947
1948         GL_Color(cr, cg, cb, ca);
1949
1950         if (p->blendmode == 0)
1951                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1952         else if (p->blendmode == 1)
1953                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1954         else
1955                 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
1956         GL_DepthMask(false);
1957         GL_DepthTest(true);
1958 #endif
1959         scalex = p->scalex * cl_particles_size.value;
1960         scaley = p->scaley * cl_particles_size.value;
1961         if (p->orientation == PARTICLE_BILLBOARD || p->orientation == PARTICLE_ORIENTED_DOUBLESIDED)
1962         {
1963                 if (p->orientation == PARTICLE_ORIENTED_DOUBLESIDED)
1964                 {
1965                         // double-sided
1966                         if (DotProduct(p->vel2, r_vieworigin) > DotProduct(p->vel2, org))
1967                         {
1968                                 VectorNegate(p->vel2, v);
1969                                 VectorVectors(v, right, up);
1970                         }
1971                         else
1972                                 VectorVectors(p->vel2, right, up);
1973                         VectorScale(right, scalex, right);
1974                         VectorScale(up, scaley, up);
1975                 }
1976                 else
1977                 {
1978                         VectorScale(r_viewleft, -scalex, right);
1979                         VectorScale(r_viewup, scaley, up);
1980                 }
1981                 particle_vertex3f[ 0] = org[0] - right[0] - up[0];
1982                 particle_vertex3f[ 1] = org[1] - right[1] - up[1];
1983                 particle_vertex3f[ 2] = org[2] - right[2] - up[2];
1984                 particle_vertex3f[ 3] = org[0] - right[0] + up[0];
1985                 particle_vertex3f[ 4] = org[1] - right[1] + up[1];
1986                 particle_vertex3f[ 5] = org[2] - right[2] + up[2];
1987                 particle_vertex3f[ 6] = org[0] + right[0] + up[0];
1988                 particle_vertex3f[ 7] = org[1] + right[1] + up[1];
1989                 particle_vertex3f[ 8] = org[2] + right[2] + up[2];
1990                 particle_vertex3f[ 9] = org[0] + right[0] - up[0];
1991                 particle_vertex3f[10] = org[1] + right[1] - up[1];
1992                 particle_vertex3f[11] = org[2] + right[2] - up[2];
1993                 particle_texcoord2f[0] = tex->s1;particle_texcoord2f[1] = tex->t2;
1994                 particle_texcoord2f[2] = tex->s1;particle_texcoord2f[3] = tex->t1;
1995                 particle_texcoord2f[4] = tex->s2;particle_texcoord2f[5] = tex->t1;
1996                 particle_texcoord2f[6] = tex->s2;particle_texcoord2f[7] = tex->t2;
1997         }
1998         else if (p->orientation == PARTICLE_SPARK)
1999         {
2000                 VectorMA(p->org, -scaley, p->vel, v);
2001                 VectorMA(p->org, scaley, p->vel, up2);
2002                 R_CalcBeam_Vertex3f(particle_vertex3f, v, up2, scalex);
2003                 particle_texcoord2f[0] = tex->s1;particle_texcoord2f[1] = tex->t2;
2004                 particle_texcoord2f[2] = tex->s1;particle_texcoord2f[3] = tex->t1;
2005                 particle_texcoord2f[4] = tex->s2;particle_texcoord2f[5] = tex->t1;
2006                 particle_texcoord2f[6] = tex->s2;particle_texcoord2f[7] = tex->t2;
2007         }
2008         else if (p->orientation == PARTICLE_BEAM)
2009         {
2010                 R_CalcBeam_Vertex3f(particle_vertex3f, p->org, p->vel2, scalex);
2011                 VectorSubtract(p->vel2, p->org, up);
2012                 VectorNormalizeFast(up);
2013                 v[0] = DotProduct(p->org, up) * (1.0f / 64.0f);
2014                 v[1] = DotProduct(p->vel2, up) * (1.0f / 64.0f);
2015                 particle_texcoord2f[0] = 1;particle_texcoord2f[1] = v[0];
2016                 particle_texcoord2f[2] = 0;particle_texcoord2f[3] = v[0];
2017                 particle_texcoord2f[4] = 0;particle_texcoord2f[5] = v[1];
2018                 particle_texcoord2f[6] = 1;particle_texcoord2f[7] = v[1];
2019         }
2020         else
2021                 Host_Error("R_DrawParticles: unknown particle orientation %i\n", p->orientation);
2022
2023 #if WORKINGLQUAKE
2024         if (p->blendmode == 0)
2025                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2026         else if (p->blendmode == 1)
2027                 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
2028         else
2029                 glBlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
2030         glColor4f(cr, cg, cb, ca);
2031         glBegin(GL_QUADS);
2032         glTexCoord2f(particle_texcoord2f[0], particle_texcoord2f[1]);glVertex3f(particle_vertex3f[ 0], particle_vertex3f[ 1], particle_vertex3f[ 2]);
2033         glTexCoord2f(particle_texcoord2f[2], particle_texcoord2f[3]);glVertex3f(particle_vertex3f[ 3], particle_vertex3f[ 4], particle_vertex3f[ 5]);
2034         glTexCoord2f(particle_texcoord2f[4], particle_texcoord2f[5]);glVertex3f(particle_vertex3f[ 6], particle_vertex3f[ 7], particle_vertex3f[ 8]);
2035         glTexCoord2f(particle_texcoord2f[6], particle_texcoord2f[7]);glVertex3f(particle_vertex3f[ 9], particle_vertex3f[10], particle_vertex3f[11]);
2036         glEnd();
2037 #else
2038         R_Mesh_Draw(4, 2, polygonelements);
2039 #endif
2040 }
2041
2042 void R_DrawParticles (void)
2043 {
2044         int i;
2045         float minparticledist;
2046         particle_t *p;
2047
2048 #ifdef WORKINGLQUAKE
2049         CL_MoveParticles();
2050 #endif
2051
2052         // LordHavoc: early out conditions
2053         if ((!cl_numparticles) || (!r_drawparticles.integer))
2054                 return;
2055
2056         minparticledist = DotProduct(r_vieworigin, r_viewforward) + 4.0f;
2057
2058 #ifdef WORKINGLQUAKE
2059         glBindTexture(GL_TEXTURE_2D, particlefonttexture);
2060         glEnable(GL_BLEND);
2061         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
2062         glDepthMask(0);
2063         // LordHavoc: only render if not too close
2064         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
2065                 if (p->type && DotProduct(p->org, r_viewforward) >= minparticledist)
2066                         R_DrawParticle(p);
2067         glDepthMask(1);
2068         glDisable(GL_BLEND);
2069         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2070 #else
2071         // LordHavoc: only render if not too close
2072         for (i = 0, p = particles;i < cl_numparticles;i++, p++)
2073         {
2074                 if (p->type)
2075                 {
2076                         c_particles++;
2077                         if (DotProduct(p->org, r_viewforward) >= minparticledist || p->orientation == PARTICLE_BEAM)
2078                         {
2079                                 if (p->type == pt_decal)
2080                                         R_DrawParticleCallback(p, 0);
2081                                 else
2082                                         R_MeshQueue_AddTransparent(p->org, R_DrawParticleCallback, p, 0);
2083                         }
2084                 }
2085         }
2086 #endif
2087 }
2088