2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
23 #include "cl_collision.h"
27 #define ABSOLUTE_MAX_PARTICLES 1<<24 // upper limit on cl.max_particles
28 #define ABSOLUTE_MAX_DECALS 1<<24 // upper limit on cl.max_decals
30 // must match ptype_t values
31 particletype_t particletype[pt_total] =
33 {PBLEND_INVALID, PARTICLE_INVALID, false}, //pt_dead (should never happen)
34 {PBLEND_ALPHA, PARTICLE_BILLBOARD, false}, //pt_alphastatic
35 {PBLEND_ADD, PARTICLE_BILLBOARD, false}, //pt_static
36 {PBLEND_ADD, PARTICLE_SPARK, false}, //pt_spark
37 {PBLEND_ADD, PARTICLE_BEAM, false}, //pt_beam
38 {PBLEND_ADD, PARTICLE_SPARK, false}, //pt_rain
39 {PBLEND_ADD, PARTICLE_ORIENTED_DOUBLESIDED, false}, //pt_raindecal
40 {PBLEND_ADD, PARTICLE_BILLBOARD, false}, //pt_snow
41 {PBLEND_ADD, PARTICLE_BILLBOARD, false}, //pt_bubble
42 {PBLEND_INVMOD, PARTICLE_BILLBOARD, false}, //pt_blood
43 {PBLEND_ADD, PARTICLE_BILLBOARD, false}, //pt_smoke
44 {PBLEND_INVMOD, PARTICLE_ORIENTED_DOUBLESIDED, false}, //pt_decal
45 {PBLEND_ALPHA, PARTICLE_BILLBOARD, false}, //pt_entityparticle
48 #define PARTICLEEFFECT_UNDERWATER 1
49 #define PARTICLEEFFECT_NOTUNDERWATER 2
51 typedef struct particleeffectinfo_s
53 int effectnameindex; // which effect this belongs to
54 // PARTICLEEFFECT_* bits
56 // blood effects may spawn very few particles, so proper fraction-overflow
57 // handling is very important, this variable keeps track of the fraction
58 double particleaccumulator;
59 // the math is: countabsolute + requestedcount * countmultiplier * quality
60 // absolute number of particles to spawn, often used for decals
61 // (unaffected by quality and requestedcount)
63 // multiplier for the number of particles CL_ParticleEffect was told to
64 // spawn, most effects do not really have a count and hence use 1, so
65 // this is often the actual count to spawn, not merely a multiplier
66 float countmultiplier;
67 // if > 0 this causes the particle to spawn in an evenly spaced line from
68 // originmins to originmaxs (causing them to describe a trail, not a box)
70 // type of particle to spawn (defines some aspects of behavior)
72 // blending mode used on this particle type
74 // orientation of this particle type (BILLBOARD, SPARK, BEAM, etc)
75 porientation_t orientation;
76 // range of colors to choose from in hex RRGGBB (like HTML color tags),
77 // randomly interpolated at spawn
78 unsigned int color[2];
79 // a random texture is chosen in this range (note the second value is one
80 // past the last choosable, so for example 8,16 chooses any from 8 up and
82 // if start and end of the range are the same, no randomization is done
84 // range of size values randomly chosen when spawning, plus size increase over time
86 // range of alpha values randomly chosen when spawning, plus alpha fade
88 // how long the particle should live (note it is also removed if alpha drops to 0)
90 // how much gravity affects this particle (negative makes it fly up!)
92 // how much bounce the particle has when it hits a surface
93 // if negative the particle is removed on impact
95 // if in air this friction is applied
96 // if negative the particle accelerates
98 // if in liquid (water/slime/lava) this friction is applied
99 // if negative the particle accelerates
100 float liquidfriction;
101 // these offsets are added to the values given to particleeffect(), and
102 // then an ellipsoid-shaped jitter is added as defined by these
103 // (they are the 3 radii)
105 // stretch velocity factor (used for sparks)
106 float originoffset[3];
107 float velocityoffset[3];
108 float originjitter[3];
109 float velocityjitter[3];
110 float velocitymultiplier;
111 // an effect can also spawn a dlight
112 float lightradiusstart;
113 float lightradiusfade;
116 qboolean lightshadow;
119 particleeffectinfo_t;
121 #define MAX_PARTICLEEFFECTNAME 256
122 char particleeffectname[MAX_PARTICLEEFFECTNAME][64];
124 #define MAX_PARTICLEEFFECTINFO 4096
126 particleeffectinfo_t particleeffectinfo[MAX_PARTICLEEFFECTINFO];
128 static int particlepalette[256];
130 0x000000,0x0f0f0f,0x1f1f1f,0x2f2f2f,0x3f3f3f,0x4b4b4b,0x5b5b5b,0x6b6b6b, // 0-7
131 0x7b7b7b,0x8b8b8b,0x9b9b9b,0xababab,0xbbbbbb,0xcbcbcb,0xdbdbdb,0xebebeb, // 8-15
132 0x0f0b07,0x170f0b,0x1f170b,0x271b0f,0x2f2313,0x372b17,0x3f2f17,0x4b371b, // 16-23
133 0x533b1b,0x5b431f,0x634b1f,0x6b531f,0x73571f,0x7b5f23,0x836723,0x8f6f23, // 24-31
134 0x0b0b0f,0x13131b,0x1b1b27,0x272733,0x2f2f3f,0x37374b,0x3f3f57,0x474767, // 32-39
135 0x4f4f73,0x5b5b7f,0x63638b,0x6b6b97,0x7373a3,0x7b7baf,0x8383bb,0x8b8bcb, // 40-47
136 0x000000,0x070700,0x0b0b00,0x131300,0x1b1b00,0x232300,0x2b2b07,0x2f2f07, // 48-55
137 0x373707,0x3f3f07,0x474707,0x4b4b0b,0x53530b,0x5b5b0b,0x63630b,0x6b6b0f, // 56-63
138 0x070000,0x0f0000,0x170000,0x1f0000,0x270000,0x2f0000,0x370000,0x3f0000, // 64-71
139 0x470000,0x4f0000,0x570000,0x5f0000,0x670000,0x6f0000,0x770000,0x7f0000, // 72-79
140 0x131300,0x1b1b00,0x232300,0x2f2b00,0x372f00,0x433700,0x4b3b07,0x574307, // 80-87
141 0x5f4707,0x6b4b0b,0x77530f,0x835713,0x8b5b13,0x975f1b,0xa3631f,0xaf6723, // 88-95
142 0x231307,0x2f170b,0x3b1f0f,0x4b2313,0x572b17,0x632f1f,0x733723,0x7f3b2b, // 96-103
143 0x8f4333,0x9f4f33,0xaf632f,0xbf772f,0xcf8f2b,0xdfab27,0xefcb1f,0xfff31b, // 104-111
144 0x0b0700,0x1b1300,0x2b230f,0x372b13,0x47331b,0x533723,0x633f2b,0x6f4733, // 112-119
145 0x7f533f,0x8b5f47,0x9b6b53,0xa77b5f,0xb7876b,0xc3937b,0xd3a38b,0xe3b397, // 120-127
146 0xab8ba3,0x9f7f97,0x937387,0x8b677b,0x7f5b6f,0x775363,0x6b4b57,0x5f3f4b, // 128-135
147 0x573743,0x4b2f37,0x43272f,0x371f23,0x2b171b,0x231313,0x170b0b,0x0f0707, // 136-143
148 0xbb739f,0xaf6b8f,0xa35f83,0x975777,0x8b4f6b,0x7f4b5f,0x734353,0x6b3b4b, // 144-151
149 0x5f333f,0x532b37,0x47232b,0x3b1f23,0x2f171b,0x231313,0x170b0b,0x0f0707, // 152-159
150 0xdbc3bb,0xcbb3a7,0xbfa39b,0xaf978b,0xa3877b,0x977b6f,0x876f5f,0x7b6353, // 160-167
151 0x6b5747,0x5f4b3b,0x533f33,0x433327,0x372b1f,0x271f17,0x1b130f,0x0f0b07, // 168-175
152 0x6f837b,0x677b6f,0x5f7367,0x576b5f,0x4f6357,0x475b4f,0x3f5347,0x374b3f, // 176-183
153 0x2f4337,0x2b3b2f,0x233327,0x1f2b1f,0x172317,0x0f1b13,0x0b130b,0x070b07, // 184-191
154 0xfff31b,0xefdf17,0xdbcb13,0xcbb70f,0xbba70f,0xab970b,0x9b8307,0x8b7307, // 192-199
155 0x7b6307,0x6b5300,0x5b4700,0x4b3700,0x3b2b00,0x2b1f00,0x1b0f00,0x0b0700, // 200-207
156 0x0000ff,0x0b0bef,0x1313df,0x1b1bcf,0x2323bf,0x2b2baf,0x2f2f9f,0x2f2f8f, // 208-215
157 0x2f2f7f,0x2f2f6f,0x2f2f5f,0x2b2b4f,0x23233f,0x1b1b2f,0x13131f,0x0b0b0f, // 216-223
158 0x2b0000,0x3b0000,0x4b0700,0x5f0700,0x6f0f00,0x7f1707,0x931f07,0xa3270b, // 224-231
159 0xb7330f,0xc34b1b,0xcf632b,0xdb7f3b,0xe3974f,0xe7ab5f,0xefbf77,0xf7d38b, // 232-239
160 0xa77b3b,0xb79b37,0xc7c337,0xe7e357,0x7fbfff,0xabe7ff,0xd7ffff,0x670000, // 240-247
161 0x8b0000,0xb30000,0xd70000,0xff0000,0xfff393,0xfff7c7,0xffffff,0x9f5b53 // 248-255
164 int ramp1[8] = {0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61};
165 int ramp2[8] = {0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66};
166 int ramp3[8] = {0x6d, 0x6b, 6, 5, 4, 3};
168 //static int explosparkramp[8] = {0x4b0700, 0x6f0f00, 0x931f07, 0xb7330f, 0xcf632b, 0xe3974f, 0xffe7b5, 0xffffff};
170 // texture numbers in particle font
171 static const int tex_smoke[8] = {0, 1, 2, 3, 4, 5, 6, 7};
172 static const int tex_bulletdecal[8] = {8, 9, 10, 11, 12, 13, 14, 15};
173 static const int tex_blooddecal[8] = {16, 17, 18, 19, 20, 21, 22, 23};
174 static const int tex_bloodparticle[8] = {24, 25, 26, 27, 28, 29, 30, 31};
175 static const int tex_rainsplash = 32;
176 static const int tex_particle = 63;
177 static const int tex_bubble = 62;
178 static const int tex_raindrop = 61;
179 static const int tex_beam = 60;
181 cvar_t cl_particles = {CVAR_SAVE, "cl_particles", "1", "enables particle effects"};
182 cvar_t cl_particles_quality = {CVAR_SAVE, "cl_particles_quality", "1", "multiplies number of particles"};
183 cvar_t cl_particles_alpha = {CVAR_SAVE, "cl_particles_alpha", "1", "multiplies opacity of particles"};
184 cvar_t cl_particles_size = {CVAR_SAVE, "cl_particles_size", "1", "multiplies particle size"};
185 cvar_t cl_particles_quake = {CVAR_SAVE, "cl_particles_quake", "0", "makes particle effects look mostly like the ones in Quake"};
186 cvar_t cl_particles_blood = {CVAR_SAVE, "cl_particles_blood", "1", "enables blood effects"};
187 cvar_t cl_particles_blood_alpha = {CVAR_SAVE, "cl_particles_blood_alpha", "1", "opacity of blood"};
188 cvar_t cl_particles_blood_bloodhack = {CVAR_SAVE, "cl_particles_blood_bloodhack", "1", "make certain quake particle() calls create blood effects instead"};
189 cvar_t cl_particles_bulletimpacts = {CVAR_SAVE, "cl_particles_bulletimpacts", "1", "enables bulletimpact effects"};
190 cvar_t cl_particles_explosions_sparks = {CVAR_SAVE, "cl_particles_explosions_sparks", "1", "enables sparks from explosions"};
191 cvar_t cl_particles_explosions_shell = {CVAR_SAVE, "cl_particles_explosions_shell", "0", "enables polygonal shell from explosions"};
192 cvar_t cl_particles_rain = {CVAR_SAVE, "cl_particles_rain", "1", "enables rain effects"};
193 cvar_t cl_particles_snow = {CVAR_SAVE, "cl_particles_snow", "1", "enables snow effects"};
194 cvar_t cl_particles_smoke = {CVAR_SAVE, "cl_particles_smoke", "1", "enables smoke (used by multiple effects)"};
195 cvar_t cl_particles_smoke_alpha = {CVAR_SAVE, "cl_particles_smoke_alpha", "0.5", "smoke brightness"};
196 cvar_t cl_particles_smoke_alphafade = {CVAR_SAVE, "cl_particles_smoke_alphafade", "0.55", "brightness fade per second"};
197 cvar_t cl_particles_sparks = {CVAR_SAVE, "cl_particles_sparks", "1", "enables sparks (used by multiple effects)"};
198 cvar_t cl_particles_bubbles = {CVAR_SAVE, "cl_particles_bubbles", "1", "enables bubbles (used by multiple effects)"};
199 cvar_t cl_particles_novis = {CVAR_SAVE, "cl_particles_novis", "0", "turn off PVS culling of particles"};
200 cvar_t cl_decals = {CVAR_SAVE, "cl_decals", "1", "enables decals (bullet holes, blood, etc)"};
201 cvar_t cl_decals_time = {CVAR_SAVE, "cl_decals_time", "20", "how long before decals start to fade away"};
202 cvar_t cl_decals_fadetime = {CVAR_SAVE, "cl_decals_fadetime", "1", "how long decals take to fade away"};
205 void CL_Particles_ParseEffectInfo(const char *textstart, const char *textend)
211 particleeffectinfo_t *info = NULL;
212 const char *text = textstart;
214 effectinfoindex = -1;
215 for (linenumber = 1;;linenumber++)
218 for (arrayindex = 0;arrayindex < 16;arrayindex++)
219 argv[arrayindex][0] = 0;
222 if (!COM_ParseToken_Simple(&text, true, false))
224 if (!strcmp(com_token, "\n"))
228 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
234 #define checkparms(n) if (argc != (n)) {Con_Printf("effectinfo.txt:%i: error while parsing: %s given %i parameters, should be %i parameters\n", linenumber, argv[0], argc, (n));break;}
235 #define readints(array, n) checkparms(n+1);for (arrayindex = 0;arrayindex < argc - 1;arrayindex++) array[arrayindex] = strtol(argv[1+arrayindex], NULL, 0)
236 #define readfloats(array, n) checkparms(n+1);for (arrayindex = 0;arrayindex < argc - 1;arrayindex++) array[arrayindex] = atof(argv[1+arrayindex])
237 #define readint(var) checkparms(2);var = strtol(argv[1], NULL, 0)
238 #define readfloat(var) checkparms(2);var = atof(argv[1])
239 if (!strcmp(argv[0], "effect"))
244 if (effectinfoindex >= MAX_PARTICLEEFFECTINFO)
246 Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
249 for (effectnameindex = 1;effectnameindex < MAX_PARTICLEEFFECTNAME;effectnameindex++)
251 if (particleeffectname[effectnameindex][0])
253 if (!strcmp(particleeffectname[effectnameindex], argv[1]))
258 strlcpy(particleeffectname[effectnameindex], argv[1], sizeof(particleeffectname[effectnameindex]));
262 // if we run out of names, abort
263 if (effectnameindex == MAX_PARTICLEEFFECTNAME)
265 Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
268 info = particleeffectinfo + effectinfoindex;
269 info->effectnameindex = effectnameindex;
270 info->particletype = pt_alphastatic;
271 info->blendmode = particletype[info->particletype].blendmode;
272 info->orientation = particletype[info->particletype].orientation;
273 info->tex[0] = tex_particle;
274 info->tex[1] = tex_particle;
275 info->color[0] = 0xFFFFFF;
276 info->color[1] = 0xFFFFFF;
280 info->alpha[1] = 256;
281 info->alpha[2] = 256;
282 info->time[0] = 9999;
283 info->time[1] = 9999;
284 VectorSet(info->lightcolor, 1, 1, 1);
285 info->lightshadow = true;
286 info->lighttime = 9999;
287 info->stretchfactor = 1;
289 else if (info == NULL)
291 Con_Printf("effectinfo.txt:%i: command %s encountered before effect\n", linenumber, argv[0]);
294 else if (!strcmp(argv[0], "countabsolute")) {readfloat(info->countabsolute);}
295 else if (!strcmp(argv[0], "count")) {readfloat(info->countmultiplier);}
296 else if (!strcmp(argv[0], "type"))
299 if (!strcmp(argv[1], "alphastatic")) info->particletype = pt_alphastatic;
300 else if (!strcmp(argv[1], "static")) info->particletype = pt_static;
301 else if (!strcmp(argv[1], "spark")) info->particletype = pt_spark;
302 else if (!strcmp(argv[1], "beam")) info->particletype = pt_beam;
303 else if (!strcmp(argv[1], "rain")) info->particletype = pt_rain;
304 else if (!strcmp(argv[1], "raindecal")) info->particletype = pt_raindecal;
305 else if (!strcmp(argv[1], "snow")) info->particletype = pt_snow;
306 else if (!strcmp(argv[1], "bubble")) info->particletype = pt_bubble;
307 else if (!strcmp(argv[1], "blood")) {info->particletype = pt_blood;info->gravity = 1;}
308 else if (!strcmp(argv[1], "smoke")) info->particletype = pt_smoke;
309 else if (!strcmp(argv[1], "decal")) info->particletype = pt_decal;
310 else if (!strcmp(argv[1], "entityparticle")) info->particletype = pt_entityparticle;
311 else Con_Printf("effectinfo.txt:%i: unrecognized particle type %s\n", linenumber, argv[1]);
312 info->blendmode = particletype[info->particletype].blendmode;
313 info->orientation = particletype[info->particletype].orientation;
315 else if (!strcmp(argv[0], "blend"))
318 if (!strcmp(argv[1], "alpha")) info->blendmode = PBLEND_ALPHA;
319 else if (!strcmp(argv[1], "add")) info->blendmode = PBLEND_ADD;
320 else if (!strcmp(argv[1], "invmod")) info->blendmode = PBLEND_INVMOD;
321 else Con_Printf("effectinfo.txt:%i: unrecognized blendmode %s\n", linenumber, argv[1]);
323 else if (!strcmp(argv[0], "orientation"))
326 if (!strcmp(argv[1], "billboard")) info->orientation = PARTICLE_BILLBOARD;
327 else if (!strcmp(argv[1], "spark")) info->orientation = PARTICLE_SPARK;
328 else if (!strcmp(argv[1], "oriented")) info->orientation = PARTICLE_ORIENTED_DOUBLESIDED;
329 else if (!strcmp(argv[1], "beam")) info->orientation = PARTICLE_BEAM;
330 else Con_Printf("effectinfo.txt:%i: unrecognized orientation %s\n", linenumber, argv[1]);
332 else if (!strcmp(argv[0], "color")) {readints(info->color, 2);}
333 else if (!strcmp(argv[0], "tex")) {readints(info->tex, 2);}
334 else if (!strcmp(argv[0], "size")) {readfloats(info->size, 2);}
335 else if (!strcmp(argv[0], "sizeincrease")) {readfloat(info->size[2]);}
336 else if (!strcmp(argv[0], "alpha")) {readfloats(info->alpha, 3);}
337 else if (!strcmp(argv[0], "time")) {readfloats(info->time, 2);}
338 else if (!strcmp(argv[0], "gravity")) {readfloat(info->gravity);}
339 else if (!strcmp(argv[0], "bounce")) {readfloat(info->bounce);}
340 else if (!strcmp(argv[0], "airfriction")) {readfloat(info->airfriction);}
341 else if (!strcmp(argv[0], "liquidfriction")) {readfloat(info->liquidfriction);}
342 else if (!strcmp(argv[0], "originoffset")) {readfloats(info->originoffset, 3);}
343 else if (!strcmp(argv[0], "velocityoffset")) {readfloats(info->velocityoffset, 3);}
344 else if (!strcmp(argv[0], "originjitter")) {readfloats(info->originjitter, 3);}
345 else if (!strcmp(argv[0], "velocityjitter")) {readfloats(info->velocityjitter, 3);}
346 else if (!strcmp(argv[0], "velocitymultiplier")) {readfloat(info->velocitymultiplier);}
347 else if (!strcmp(argv[0], "lightradius")) {readfloat(info->lightradiusstart);}
348 else if (!strcmp(argv[0], "lightradiusfade")) {readfloat(info->lightradiusfade);}
349 else if (!strcmp(argv[0], "lighttime")) {readfloat(info->lighttime);}
350 else if (!strcmp(argv[0], "lightcolor")) {readfloats(info->lightcolor, 3);}
351 else if (!strcmp(argv[0], "lightshadow")) {readint(info->lightshadow);}
352 else if (!strcmp(argv[0], "lightcubemapnum")) {readint(info->lightcubemapnum);}
353 else if (!strcmp(argv[0], "underwater")) {checkparms(1);info->flags |= PARTICLEEFFECT_UNDERWATER;}
354 else if (!strcmp(argv[0], "notunderwater")) {checkparms(1);info->flags |= PARTICLEEFFECT_NOTUNDERWATER;}
355 else if (!strcmp(argv[0], "trailspacing")) {readfloat(info->trailspacing);if (info->trailspacing > 0) info->countmultiplier = 1.0f / info->trailspacing;}
356 else if (!strcmp(argv[0], "stretchfactor")) {readfloat(info->stretchfactor);}
358 Con_Printf("effectinfo.txt:%i: skipping unknown command %s\n", linenumber, argv[0]);
367 int CL_ParticleEffectIndexForName(const char *name)
370 for (i = 1;i < MAX_PARTICLEEFFECTNAME && particleeffectname[i][0];i++)
371 if (!strcmp(particleeffectname[i], name))
376 const char *CL_ParticleEffectNameForIndex(int i)
378 if (i < 1 || i >= MAX_PARTICLEEFFECTNAME)
380 return particleeffectname[i];
383 // MUST match effectnameindex_t in client.h
384 static const char *standardeffectnames[EFFECT_TOTAL] =
408 "TE_TEI_BIGEXPLOSION",
424 void CL_Particles_LoadEffectInfo(void)
427 unsigned char *filedata;
428 fs_offset_t filesize;
429 memset(particleeffectinfo, 0, sizeof(particleeffectinfo));
430 memset(particleeffectname, 0, sizeof(particleeffectname));
431 for (i = 0;i < EFFECT_TOTAL;i++)
432 strlcpy(particleeffectname[i], standardeffectnames[i], sizeof(particleeffectname[i]));
433 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
436 CL_Particles_ParseEffectInfo((const char *)filedata, (const char *)filedata + filesize);
446 void CL_ReadPointFile_f (void);
447 void CL_Particles_Init (void)
449 Cmd_AddCommand ("pointfile", CL_ReadPointFile_f, "display point file produced by qbsp when a leak was detected in the map (a line leading through the leak hole, to an entity inside the level)");
450 Cmd_AddCommand ("cl_particles_reloadeffects", CL_Particles_LoadEffectInfo, "reloads effectinfo.txt");
452 Cvar_RegisterVariable (&cl_particles);
453 Cvar_RegisterVariable (&cl_particles_quality);
454 Cvar_RegisterVariable (&cl_particles_alpha);
455 Cvar_RegisterVariable (&cl_particles_size);
456 Cvar_RegisterVariable (&cl_particles_quake);
457 Cvar_RegisterVariable (&cl_particles_blood);
458 Cvar_RegisterVariable (&cl_particles_blood_alpha);
459 Cvar_RegisterVariable (&cl_particles_blood_bloodhack);
460 Cvar_RegisterVariable (&cl_particles_explosions_sparks);
461 Cvar_RegisterVariable (&cl_particles_explosions_shell);
462 Cvar_RegisterVariable (&cl_particles_bulletimpacts);
463 Cvar_RegisterVariable (&cl_particles_rain);
464 Cvar_RegisterVariable (&cl_particles_snow);
465 Cvar_RegisterVariable (&cl_particles_smoke);
466 Cvar_RegisterVariable (&cl_particles_smoke_alpha);
467 Cvar_RegisterVariable (&cl_particles_smoke_alphafade);
468 Cvar_RegisterVariable (&cl_particles_sparks);
469 Cvar_RegisterVariable (&cl_particles_bubbles);
470 Cvar_RegisterVariable (&cl_particles_novis);
471 Cvar_RegisterVariable (&cl_decals);
472 Cvar_RegisterVariable (&cl_decals_time);
473 Cvar_RegisterVariable (&cl_decals_fadetime);
476 void CL_Particles_Shutdown (void)
480 // list of all 26 parameters:
481 // ptype - any of the pt_ enum values (pt_static, pt_blood, etc), see ptype_t near the top of this file
482 // pcolor1,pcolor2 - minimum and maximum ranges of color, randomly interpolated to decide particle color
483 // ptex - any of the tex_ values such as tex_smoke[rand()&7] or tex_particle
484 // psize - size of particle (or thickness for PARTICLE_SPARK and PARTICLE_BEAM)
485 // palpha - opacity of particle as 0-255 (can be more than 255)
486 // palphafade - rate of fade per second (so 256 would mean a 256 alpha particle would fade to nothing in 1 second)
487 // ptime - how long the particle can live (note it is also removed if alpha drops to nothing)
488 // pgravity - how much effect gravity has on the particle (0-1)
489 // 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
490 // px,py,pz - starting origin of particle
491 // pvx,pvy,pvz - starting velocity of particle
492 // pfriction - how much the particle slows down per second (0-1 typically, can slowdown faster than 1)
493 // blendmode - one of the PBLEND_ values
494 // orientation - one of the PARTICLE_ values
495 static particle_t *CL_NewParticle(unsigned short ptypeindex, int pcolor1, int pcolor2, int ptex, float psize, float psizeincrease, float palpha, float palphafade, float pgravity, float pbounce, float px, float py, float pz, float pvx, float pvy, float pvz, float pairfriction, float pliquidfriction, float originjitter, float velocityjitter, qboolean pqualityreduction, float lifetime, float stretch, pblend_t blendmode, porientation_t orientation)
500 if (!cl_particles.integer)
502 for (;cl.free_particle < cl.max_particles && cl.particles[cl.free_particle].typeindex;cl.free_particle++);
503 if (cl.free_particle >= cl.max_particles)
506 lifetime = palpha / min(1, palphafade);
507 part = &cl.particles[cl.free_particle++];
508 if (cl.num_particles < cl.free_particle)
509 cl.num_particles = cl.free_particle;
510 memset(part, 0, sizeof(*part));
511 part->typeindex = ptypeindex;
512 part->blendmode = blendmode;
513 part->orientation = orientation;
514 l2 = (int)lhrandom(0.5, 256.5);
516 part->color[0] = ((((pcolor1 >> 16) & 0xFF) * l1 + ((pcolor2 >> 16) & 0xFF) * l2) >> 8) & 0xFF;
517 part->color[1] = ((((pcolor1 >> 8) & 0xFF) * l1 + ((pcolor2 >> 8) & 0xFF) * l2) >> 8) & 0xFF;
518 part->color[2] = ((((pcolor1 >> 0) & 0xFF) * l1 + ((pcolor2 >> 0) & 0xFF) * l2) >> 8) & 0xFF;
521 part->sizeincrease = psizeincrease;
522 part->alpha = palpha;
523 part->alphafade = palphafade;
524 part->gravity = pgravity;
525 part->bounce = pbounce;
526 part->stretch = stretch;
528 part->org[0] = px + originjitter * v[0];
529 part->org[1] = py + originjitter * v[1];
530 part->org[2] = pz + originjitter * v[2];
531 part->vel[0] = pvx + velocityjitter * v[0];
532 part->vel[1] = pvy + velocityjitter * v[1];
533 part->vel[2] = pvz + velocityjitter * v[2];
535 part->airfriction = pairfriction;
536 part->liquidfriction = pliquidfriction;
537 part->die = cl.time + lifetime;
538 part->delayedcollisions = 0;
539 part->qualityreduction = pqualityreduction;
540 // if it is rain or snow, trace ahead and shut off collisions until an actual collision event needs to occur to improve performance
541 if (part->typeindex == pt_rain)
545 float lifetime = part->die - cl.time;
548 // turn raindrop into simple spark and create delayedspawn splash effect
549 part->typeindex = pt_spark;
551 VectorMA(part->org, lifetime, part->vel, endvec);
552 trace = CL_Move(part->org, vec3_origin, vec3_origin, endvec, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_LIQUIDSMASK, true, false, NULL, false);
553 part->die = cl.time + lifetime * trace.fraction;
554 part2 = CL_NewParticle(pt_raindecal, pcolor1, pcolor2, tex_rainsplash, part->size, part->size * 20, part->alpha, part->alpha / 0.4, 0, 0, trace.endpos[0] + trace.plane.normal[0], trace.endpos[1] + trace.plane.normal[1], trace.endpos[2] + trace.plane.normal[2], trace.plane.normal[0], trace.plane.normal[1], trace.plane.normal[2], 0, 0, 0, 0, pqualityreduction, 0, 1, PBLEND_ADD, PARTICLE_ORIENTED_DOUBLESIDED);
557 part2->delayedspawn = part->die;
558 part2->die += part->die - cl.time;
559 for (i = rand() & 7;i < 10;i++)
561 part2 = CL_NewParticle(pt_spark, pcolor1, pcolor2, tex_particle, 0.25f, 0, part->alpha * 2, part->alpha * 4, 1, 0, trace.endpos[0] + trace.plane.normal[0], trace.endpos[1] + trace.plane.normal[1], trace.endpos[2] + trace.plane.normal[2], trace.plane.normal[0] * 16, trace.plane.normal[1] * 16, trace.plane.normal[2] * 16 + cl.movevars_gravity * 0.04, 0, 0, 0, 32, pqualityreduction, 0, 1, PBLEND_ADD, PARTICLE_SPARK);
564 part2->delayedspawn = part->die;
565 part2->die += part->die - cl.time;
570 else if (part->bounce != 0 && part->gravity == 0 && part->typeindex != pt_snow)
572 float lifetime = part->alpha / (part->alphafade ? part->alphafade : 1);
575 VectorMA(part->org, lifetime, part->vel, endvec);
576 trace = CL_Move(part->org, vec3_origin, vec3_origin, endvec, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY, true, false, NULL, false);
577 part->delayedcollisions = cl.time + lifetime * trace.fraction - 0.1;
582 void CL_SpawnDecalParticleForSurface(int hitent, const vec3_t org, const vec3_t normal, int color1, int color2, int texnum, float size, float alpha)
586 if (!cl_decals.integer)
588 for (;cl.free_decal < cl.max_decals && cl.decals[cl.free_decal].typeindex;cl.free_decal++);
589 if (cl.free_decal >= cl.max_decals)
591 decal = &cl.decals[cl.free_decal++];
592 if (cl.num_decals < cl.free_decal)
593 cl.num_decals = cl.free_decal;
594 memset(decal, 0, sizeof(*decal));
595 decal->typeindex = pt_decal;
596 decal->texnum = texnum;
597 VectorAdd(org, normal, decal->org);
598 VectorCopy(normal, decal->normal);
600 decal->alpha = alpha;
601 decal->time2 = cl.time;
602 l2 = (int)lhrandom(0.5, 256.5);
604 decal->color[0] = ((((color1 >> 16) & 0xFF) * l1 + ((color2 >> 16) & 0xFF) * l2) >> 8) & 0xFF;
605 decal->color[1] = ((((color1 >> 8) & 0xFF) * l1 + ((color2 >> 8) & 0xFF) * l2) >> 8) & 0xFF;
606 decal->color[2] = ((((color1 >> 0) & 0xFF) * l1 + ((color2 >> 0) & 0xFF) * l2) >> 8) & 0xFF;
607 decal->owner = hitent;
610 // these relative things are only used to regenerate p->org and p->vel if decal->owner is not world (0)
611 decal->ownermodel = cl.entities[decal->owner].render.model;
612 Matrix4x4_Transform(&cl.entities[decal->owner].render.inversematrix, org, decal->relativeorigin);
613 Matrix4x4_Transform3x3(&cl.entities[decal->owner].render.inversematrix, normal, decal->relativenormal);
617 void CL_SpawnDecalParticleForPoint(const vec3_t org, float maxdist, float size, float alpha, int texnum, int color1, int color2)
620 float bestfrac, bestorg[3], bestnormal[3];
622 int besthitent = 0, hitent;
625 for (i = 0;i < 32;i++)
628 VectorMA(org, maxdist, org2, org2);
629 trace = CL_Move(org, vec3_origin, vec3_origin, org2, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_SKY, true, false, &hitent, false);
630 // take the closest trace result that doesn't end up hitting a NOMARKS
631 // surface (sky for example)
632 if (bestfrac > trace.fraction && !(trace.hitq3surfaceflags & Q3SURFACEFLAG_NOMARKS))
634 bestfrac = trace.fraction;
636 VectorCopy(trace.endpos, bestorg);
637 VectorCopy(trace.plane.normal, bestnormal);
641 CL_SpawnDecalParticleForSurface(besthitent, bestorg, bestnormal, color1, color2, texnum, size, alpha);
644 static void CL_Sparks(const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, float sparkcount);
645 static void CL_Smoke(const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, float smokecount);
646 void CL_ParticleEffect_Fallback(int effectnameindex, float count, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles)
649 matrix4x4_t tempmatrix;
650 VectorLerp(originmins, 0.5, originmaxs, center);
651 Matrix4x4_CreateTranslate(&tempmatrix, center[0], center[1], center[2]);
652 if (effectnameindex == EFFECT_SVC_PARTICLE)
654 if (cl_particles.integer)
656 // bloodhack checks if this effect's color matches regular or lightning blood and if so spawns a blood effect instead
658 CL_ParticleExplosion(center);
659 else if (cl_particles_blood_bloodhack.integer && !cl_particles_quake.integer && (palettecolor == 73 || palettecolor == 225))
660 CL_ParticleEffect(EFFECT_TE_BLOOD, count / 2.0f, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
663 count *= cl_particles_quality.value;
664 for (;count > 0;count--)
666 int k = particlepalette[(palettecolor & ~7) + (rand()&7)];
667 CL_NewParticle(pt_alphastatic, k, k, tex_particle, 1.5, 0, 255, 0, 0.05, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 0, 0, 8, 0, true, lhrandom(0.1, 0.5), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
672 else if (effectnameindex == EFFECT_TE_WIZSPIKE)
673 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 30*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 20);
674 else if (effectnameindex == EFFECT_TE_KNIGHTSPIKE)
675 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 20*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 226);
676 else if (effectnameindex == EFFECT_TE_SPIKE)
678 if (cl_particles_bulletimpacts.integer)
680 if (cl_particles_quake.integer)
682 if (cl_particles_smoke.integer)
683 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 10*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
687 CL_Smoke(originmins, originmaxs, velocitymins, velocitymaxs, 4*count);
688 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, 15*count);
689 CL_NewParticle(pt_static, 0x808080,0x808080, tex_particle, 3, 0, 256, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
693 R_Stain(center, 16, 40, 40, 40, 64, 88, 88, 88, 64);
694 CL_SpawnDecalParticleForPoint(center, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
696 else if (effectnameindex == EFFECT_TE_SPIKEQUAD)
698 if (cl_particles_bulletimpacts.integer)
700 if (cl_particles_quake.integer)
702 if (cl_particles_smoke.integer)
703 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 10*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
707 CL_Smoke(originmins, originmaxs, velocitymins, velocitymaxs, 4*count);
708 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, 15*count);
709 CL_NewParticle(pt_static, 0x808080,0x808080, tex_particle, 3, 0, 256, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
713 R_Stain(center, 16, 40, 40, 40, 64, 88, 88, 88, 64);
714 CL_SpawnDecalParticleForPoint(center, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
715 CL_AllocLightFlash(NULL, &tempmatrix, 100, 0.15f, 0.15f, 1.5f, 500, 0.2, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
717 else if (effectnameindex == EFFECT_TE_SUPERSPIKE)
719 if (cl_particles_bulletimpacts.integer)
721 if (cl_particles_quake.integer)
723 if (cl_particles_smoke.integer)
724 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 20*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
728 CL_Smoke(originmins, originmaxs, velocitymins, velocitymaxs, 8*count);
729 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, 30*count);
730 CL_NewParticle(pt_static, 0x808080,0x808080, tex_particle, 3, 0, 256, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
734 R_Stain(center, 16, 40, 40, 40, 64, 88, 88, 88, 64);
735 CL_SpawnDecalParticleForPoint(center, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
737 else if (effectnameindex == EFFECT_TE_SUPERSPIKEQUAD)
739 if (cl_particles_bulletimpacts.integer)
741 if (cl_particles_quake.integer)
743 if (cl_particles_smoke.integer)
744 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 20*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
748 CL_Smoke(originmins, originmaxs, velocitymins, velocitymaxs, 8*count);
749 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, 30*count);
750 CL_NewParticle(pt_static, 0x808080,0x808080, tex_particle, 3, 0, 256, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
754 R_Stain(center, 16, 40, 40, 40, 64, 88, 88, 88, 64);
755 CL_SpawnDecalParticleForPoint(center, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
756 CL_AllocLightFlash(NULL, &tempmatrix, 100, 0.15f, 0.15f, 1.5f, 500, 0.2, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
758 else if (effectnameindex == EFFECT_TE_BLOOD)
760 if (!cl_particles_blood.integer)
762 if (cl_particles_quake.integer)
763 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 2*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 73);
766 static double bloodaccumulator = 0;
767 //CL_NewParticle(pt_alphastatic, 0x4f0000,0x7f0000, tex_particle, 2.5, 0, 256, 256, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 1, 4, 0, 0, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
768 bloodaccumulator += count * 0.333 * cl_particles_quality.value;
769 for (;bloodaccumulator > 0;bloodaccumulator--)
770 CL_NewParticle(pt_blood, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], 8, 0, cl_particles_blood_alpha.value * 768, cl_particles_blood_alpha.value * 384, 1, -1, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 1, 4, 0, 64, true, 0, 1, PBLEND_INVMOD, PARTICLE_BILLBOARD);
773 else if (effectnameindex == EFFECT_TE_SPARK)
774 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, count);
775 else if (effectnameindex == EFFECT_TE_PLASMABURN)
777 // plasma scorch mark
778 R_Stain(center, 40, 40, 40, 40, 64, 88, 88, 88, 64);
779 CL_SpawnDecalParticleForPoint(center, 6, 6, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
780 CL_AllocLightFlash(NULL, &tempmatrix, 200, 1, 1, 1, 1000, 0.2, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
782 else if (effectnameindex == EFFECT_TE_GUNSHOT)
784 if (cl_particles_bulletimpacts.integer)
786 if (cl_particles_quake.integer)
787 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 20*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
790 CL_Smoke(originmins, originmaxs, velocitymins, velocitymaxs, 4*count);
791 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, 20*count);
792 CL_NewParticle(pt_static, 0x808080,0x808080, tex_particle, 3, 0, 256, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
796 R_Stain(center, 16, 40, 40, 40, 64, 88, 88, 88, 64);
797 CL_SpawnDecalParticleForPoint(center, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
799 else if (effectnameindex == EFFECT_TE_GUNSHOTQUAD)
801 if (cl_particles_bulletimpacts.integer)
803 if (cl_particles_quake.integer)
804 CL_ParticleEffect(EFFECT_SVC_PARTICLE, 20*count, originmins, originmaxs, velocitymins, velocitymaxs, NULL, 0);
807 CL_Smoke(originmins, originmaxs, velocitymins, velocitymaxs, 4*count);
808 CL_Sparks(originmins, originmaxs, velocitymins, velocitymaxs, 20*count);
809 CL_NewParticle(pt_static, 0x808080,0x808080, tex_particle, 3, 0, 256, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
813 R_Stain(center, 16, 40, 40, 40, 64, 88, 88, 88, 64);
814 CL_SpawnDecalParticleForPoint(center, 6, 3, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
815 CL_AllocLightFlash(NULL, &tempmatrix, 100, 0.15f, 0.15f, 1.5f, 500, 0.2, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
817 else if (effectnameindex == EFFECT_TE_EXPLOSION)
819 CL_ParticleExplosion(center);
820 CL_AllocLightFlash(NULL, &tempmatrix, 350, 4.0f, 2.0f, 0.50f, 700, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
822 else if (effectnameindex == EFFECT_TE_EXPLOSIONQUAD)
824 CL_ParticleExplosion(center);
825 CL_AllocLightFlash(NULL, &tempmatrix, 350, 2.5f, 2.0f, 4.0f, 700, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
827 else if (effectnameindex == EFFECT_TE_TAREXPLOSION)
829 if (cl_particles_quake.integer)
832 for (i = 0;i < 1024 * cl_particles_quality.value;i++)
835 CL_NewParticle(pt_alphastatic, particlepalette[66], particlepalette[71], tex_particle, 1.5f, 0, 255, 0, 0, 0, center[0], center[1], center[2], 0, 0, 0, -4, -4, 16, 256, true, (rand() & 1) ? 1.4 : 1.0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
837 CL_NewParticle(pt_alphastatic, particlepalette[150], particlepalette[155], tex_particle, 1.5f, 0, 255, 0, 0, 0, center[0], center[1], center[2], 0, 0, lhrandom(-256, 256), 0, 0, 16, 0, true, (rand() & 1) ? 1.4 : 1.0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
841 CL_ParticleExplosion(center);
842 CL_AllocLightFlash(NULL, &tempmatrix, 600, 1.6f, 0.8f, 2.0f, 1200, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
844 else if (effectnameindex == EFFECT_TE_SMALLFLASH)
845 CL_AllocLightFlash(NULL, &tempmatrix, 200, 2, 2, 2, 1000, 0.2, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
846 else if (effectnameindex == EFFECT_TE_FLAMEJET)
848 count *= cl_particles_quality.value;
850 CL_NewParticle(pt_smoke, 0x6f0f00, 0xe3974f, tex_particle, 4, 0, lhrandom(64, 128), 384, -1, 1.1, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 1, 4, 0, 128, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
852 else if (effectnameindex == EFFECT_TE_LAVASPLASH)
854 float i, j, inc, vel;
857 inc = 8 / cl_particles_quality.value;
858 for (i = -128;i < 128;i += inc)
860 for (j = -128;j < 128;j += inc)
862 dir[0] = j + lhrandom(0, inc);
863 dir[1] = i + lhrandom(0, inc);
865 org[0] = center[0] + dir[0];
866 org[1] = center[1] + dir[1];
867 org[2] = center[2] + lhrandom(0, 64);
868 vel = lhrandom(50, 120) / VectorLength(dir); // normalize and scale
869 CL_NewParticle(pt_alphastatic, particlepalette[224], particlepalette[231], tex_particle, 1.5f, 0, 255, 0, 0.05, 0, org[0], org[1], org[2], dir[0] * vel, dir[1] * vel, dir[2] * vel, 0, 0, 0, 0, true, lhrandom(2, 2.62), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
873 else if (effectnameindex == EFFECT_TE_TELEPORT)
875 float i, j, k, inc, vel;
878 if (cl_particles_quake.integer)
879 inc = 4 / cl_particles_quality.value;
881 inc = 8 / cl_particles_quality.value;
882 for (i = -16;i < 16;i += inc)
884 for (j = -16;j < 16;j += inc)
886 for (k = -24;k < 32;k += inc)
888 VectorSet(dir, i*8, j*8, k*8);
889 VectorNormalize(dir);
890 vel = lhrandom(50, 113);
891 if (cl_particles_quake.integer)
892 CL_NewParticle(pt_alphastatic, particlepalette[7], particlepalette[14], tex_particle, 1.5f, 0, 255, 0, 0, 0, center[0] + i + lhrandom(0, inc), center[1] + j + lhrandom(0, inc), center[2] + k + lhrandom(0, inc), dir[0] * vel, dir[1] * vel, dir[2] * vel, 0, 0, 0, 0, true, lhrandom(0.2, 0.34), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
894 CL_NewParticle(pt_alphastatic, particlepalette[7], particlepalette[14], tex_particle, 1.5f, 0, inc * lhrandom(37, 63), inc * 187, 0, 0, center[0] + i + lhrandom(0, inc), center[1] + j + lhrandom(0, inc), center[2] + k + lhrandom(0, inc), dir[0] * vel, dir[1] * vel, dir[2] * vel, 0, 0, 0, 0, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
898 if (!cl_particles_quake.integer)
899 CL_NewParticle(pt_static, 0xffffff, 0xffffff, tex_particle, 30, 0, 256, 512, 0, 0, center[0], center[1], center[2], 0, 0, 0, 0, 0, 0, 0, false, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
900 CL_AllocLightFlash(NULL, &tempmatrix, 200, 2.0f, 2.0f, 2.0f, 400, 99.0f, 0, -1, true, 1, 0.25, 1, 0, 0, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
902 else if (effectnameindex == EFFECT_TE_TEI_G3)
903 CL_NewParticle(pt_beam, 0xFFFFFF, 0xFFFFFF, tex_beam, 8, 0, 256, 256, 0, 0, originmins[0], originmins[1], originmins[2], originmaxs[0], originmaxs[1], originmaxs[2], 0, 0, 0, 0, false, 0, 1, PBLEND_ADD, PARTICLE_BEAM);
904 else if (effectnameindex == EFFECT_TE_TEI_SMOKE)
906 if (cl_particles_smoke.integer)
908 count *= 0.25f * cl_particles_quality.value;
910 CL_NewParticle(pt_smoke, 0x202020, 0x404040, tex_smoke[rand()&7], 5, 0, 255, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 0, 0, 1.5f, 6.0f, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
913 else if (effectnameindex == EFFECT_TE_TEI_BIGEXPLOSION)
915 CL_ParticleExplosion(center);
916 CL_AllocLightFlash(NULL, &tempmatrix, 500, 2.5f, 2.0f, 1.0f, 500, 9999, 0, -1, true, 1, 0.25, 0.5, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
918 else if (effectnameindex == EFFECT_TE_TEI_PLASMAHIT)
921 R_Stain(center, 40, 40, 40, 40, 64, 88, 88, 88, 64);
922 CL_SpawnDecalParticleForPoint(center, 6, 8, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
923 if (cl_particles_smoke.integer)
924 for (f = 0;f < count;f += 4.0f / cl_particles_quality.value)
925 CL_NewParticle(pt_smoke, 0x202020, 0x404040, tex_smoke[rand()&7], 5, 0, 255, 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 0, 0, 20, 155, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
926 if (cl_particles_sparks.integer)
927 for (f = 0;f < count;f += 1.0f / cl_particles_quality.value)
928 CL_NewParticle(pt_spark, 0x2030FF, 0x80C0FF, tex_particle, 2.0f, 0, lhrandom(64, 255), 512, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 0, 0, 0, 465, true, 0, 1, PBLEND_ADD, PARTICLE_SPARK);
929 CL_AllocLightFlash(NULL, &tempmatrix, 500, 0.6f, 1.2f, 2.0f, 2000, 9999, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
931 else if (effectnameindex == EFFECT_EF_FLAME)
933 count *= 300 * cl_particles_quality.value;
935 CL_NewParticle(pt_smoke, 0x6f0f00, 0xe3974f, tex_particle, 4, 0, lhrandom(64, 128), 384, -1, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 1, 4, 16, 128, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
936 CL_AllocLightFlash(NULL, &tempmatrix, 200, 2.0f, 1.5f, 0.5f, 0, 0, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
938 else if (effectnameindex == EFFECT_EF_STARDUST)
940 count *= 200 * cl_particles_quality.value;
942 CL_NewParticle(pt_static, 0x903010, 0xFFD030, tex_particle, 4, 0, lhrandom(64, 128), 128, 1, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 0.2, 0.8, 16, 128, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
943 CL_AllocLightFlash(NULL, &tempmatrix, 200, 1.0f, 0.7f, 0.3f, 0, 0, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
945 else if (!strncmp(particleeffectname[effectnameindex], "TR_", 3))
949 int smoke, blood, bubbles, r, color;
951 if (spawndlight && r_refdef.scene.numlights < MAX_DLIGHTS)
954 Vector4Set(light, 0, 0, 0, 0);
956 if (effectnameindex == EFFECT_TR_ROCKET)
957 Vector4Set(light, 3.0f, 1.5f, 0.5f, 200);
958 else if (effectnameindex == EFFECT_TR_VORESPIKE)
960 if (gamemode == GAME_PRYDON && !cl_particles_quake.integer)
961 Vector4Set(light, 0.3f, 0.6f, 1.2f, 100);
963 Vector4Set(light, 1.2f, 0.5f, 1.0f, 200);
965 else if (effectnameindex == EFFECT_TR_NEXUIZPLASMA)
966 Vector4Set(light, 0.75f, 1.5f, 3.0f, 200);
970 matrix4x4_t tempmatrix;
971 Matrix4x4_CreateFromQuakeEntity(&tempmatrix, originmaxs[0], originmaxs[1], originmaxs[2], 0, 0, 0, light[3]);
972 R_RTLight_Update(&r_refdef.scene.lights[r_refdef.scene.numlights++], false, &tempmatrix, light, -1, NULL, true, 1, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
979 if (originmaxs[0] == originmins[0] && originmaxs[1] == originmins[1] && originmaxs[2] == originmins[2])
982 VectorSubtract(originmaxs, originmins, dir);
983 len = VectorNormalizeLength(dir);
986 dec = -ent->persistent.trail_time;
987 ent->persistent.trail_time += len;
988 if (ent->persistent.trail_time < 0.01f)
991 // if we skip out, leave it reset
992 ent->persistent.trail_time = 0.0f;
997 // advance into this frame to reach the first puff location
998 VectorMA(originmins, dec, dir, pos);
1001 smoke = cl_particles.integer && cl_particles_smoke.integer;
1002 blood = cl_particles.integer && cl_particles_blood.integer;
1003 bubbles = cl_particles.integer && cl_particles_bubbles.integer && !cl_particles_quake.integer && (CL_PointSuperContents(pos) & (SUPERCONTENTS_WATER | SUPERCONTENTS_SLIME));
1004 qd = 1.0f / cl_particles_quality.value;
1011 if (effectnameindex == EFFECT_TR_BLOOD)
1013 if (cl_particles_quake.integer)
1015 color = particlepalette[67 + (rand()&3)];
1016 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0.05, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 3, 0, true, 2, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1021 CL_NewParticle(pt_blood, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], 8, 0, qd * cl_particles_blood_alpha.value * 768.0f, qd * cl_particles_blood_alpha.value * 384.0f, 1, -1, pos[0], pos[1], pos[2], lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 1, 4, 0, 64, true, 0, 1, PBLEND_INVMOD, PARTICLE_BILLBOARD);
1024 else if (effectnameindex == EFFECT_TR_SLIGHTBLOOD)
1026 if (cl_particles_quake.integer)
1029 color = particlepalette[67 + (rand()&3)];
1030 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0.05, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 3, 0, true, 2, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1035 CL_NewParticle(pt_blood, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], 8, 0, qd * cl_particles_blood_alpha.value * 768.0f, qd * cl_particles_blood_alpha.value * 384.0f, 1, -1, pos[0], pos[1], pos[2], lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 1, 4, 0, 64, true, 0, 1, PBLEND_INVMOD, PARTICLE_BILLBOARD);
1041 if (effectnameindex == EFFECT_TR_ROCKET)
1043 if (cl_particles_quake.integer)
1046 color = particlepalette[ramp3[r]];
1047 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, -0.05, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 3, 0, true, 0.1372549*(6-r), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1051 CL_NewParticle(pt_smoke, 0x303030, 0x606060, tex_smoke[rand()&7], 3, 0, cl_particles_smoke_alpha.value*62, cl_particles_smoke_alphafade.value*62, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1052 CL_NewParticle(pt_static, 0x801010, 0xFFA020, tex_smoke[rand()&7], 3, 0, cl_particles_smoke_alpha.value*288, cl_particles_smoke_alphafade.value*1400, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 20, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1055 else if (effectnameindex == EFFECT_TR_GRENADE)
1057 if (cl_particles_quake.integer)
1060 color = particlepalette[ramp3[r]];
1061 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, -0.05, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 3, 0, true, 0.1372549*(6-r), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1065 CL_NewParticle(pt_smoke, 0x303030, 0x606060, tex_smoke[rand()&7], 3, 0, cl_particles_smoke_alpha.value*50, cl_particles_smoke_alphafade.value*75, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1068 else if (effectnameindex == EFFECT_TR_WIZSPIKE)
1070 if (cl_particles_quake.integer)
1073 color = particlepalette[52 + (rand()&7)];
1074 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, pos[0], pos[1], pos[2], 30*dir[1], 30*-dir[0], 0, 0, 0, 0, 0, true, 0.5, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1075 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, pos[0], pos[1], pos[2], 30*-dir[1], 30*dir[0], 0, 0, 0, 0, 0, true, 0.5, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1077 else if (gamemode == GAME_GOODVSBAD2)
1080 CL_NewParticle(pt_static, 0x00002E, 0x000030, tex_particle, 6, 0, 128, 384, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1084 color = particlepalette[20 + (rand()&7)];
1085 CL_NewParticle(pt_static, color, color, tex_particle, 2, 0, 64, 192, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1088 else if (effectnameindex == EFFECT_TR_KNIGHTSPIKE)
1090 if (cl_particles_quake.integer)
1093 color = particlepalette[230 + (rand()&7)];
1094 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, pos[0], pos[1], pos[2], 30*dir[1], 30*-dir[0], 0, 0, 0, 0, 0, true, 0.5, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1095 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, pos[0], pos[1], pos[2], 30*-dir[1], 30*dir[0], 0, 0, 0, 0, 0, true, 0.5, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1099 color = particlepalette[226 + (rand()&7)];
1100 CL_NewParticle(pt_static, color, color, tex_particle, 2, 0, 64, 192, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1103 else if (effectnameindex == EFFECT_TR_VORESPIKE)
1105 if (cl_particles_quake.integer)
1107 color = particlepalette[152 + (rand()&3)];
1108 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 8, 0, true, 0.3, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1110 else if (gamemode == GAME_GOODVSBAD2)
1113 CL_NewParticle(pt_alphastatic, particlepalette[0 + (rand()&255)], particlepalette[0 + (rand()&255)], tex_particle, 6, 0, 255, 384, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1115 else if (gamemode == GAME_PRYDON)
1118 CL_NewParticle(pt_static, 0x103040, 0x204050, tex_particle, 6, 0, 64, 192, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1121 CL_NewParticle(pt_static, 0x502030, 0x502030, tex_particle, 3, 0, 64, 192, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1123 else if (effectnameindex == EFFECT_TR_NEHAHRASMOKE)
1126 CL_NewParticle(pt_alphastatic, 0x303030, 0x606060, tex_smoke[rand()&7], 7, 0, 64, 320, 0, 0, pos[0], pos[1], pos[2], 0, 0, lhrandom(4, 12), 0, 0, 0, 4, false, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1128 else if (effectnameindex == EFFECT_TR_NEXUIZPLASMA)
1131 CL_NewParticle(pt_static, 0x283880, 0x283880, tex_particle, 4, 0, 255, 1024, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 16, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1133 else if (effectnameindex == EFFECT_TR_GLOWTRAIL)
1134 CL_NewParticle(pt_alphastatic, particlepalette[palettecolor], particlepalette[palettecolor], tex_particle, 5, 0, 128, 320, 0, 0, pos[0], pos[1], pos[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1138 if (effectnameindex == EFFECT_TR_ROCKET)
1139 CL_NewParticle(pt_bubble, 0x404040, 0x808080, tex_bubble, 2, 0, lhrandom(128, 512), 512, -0.25, 1.5, pos[0], pos[1], pos[2], 0, 0, 0, 0.0625, 0.25, 0, 16, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1140 else if (effectnameindex == EFFECT_TR_GRENADE)
1141 CL_NewParticle(pt_bubble, 0x404040, 0x808080, tex_bubble, 2, 0, lhrandom(128, 512), 512, -0.25, 1.5, pos[0], pos[1], pos[2], 0, 0, 0, 0.0625, 0.25, 0, 16, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1143 // advance to next time and position
1146 VectorMA (pos, dec, dir, pos);
1149 ent->persistent.trail_time = len;
1151 else if (developer.integer >= 1)
1152 Con_Printf("CL_ParticleEffect_Fallback: no fallback found for effect %s\n", particleeffectname[effectnameindex]);
1155 // this is also called on point effects with spawndlight = true and
1156 // spawnparticles = true
1157 // it is called CL_ParticleTrail because most code does not want to supply
1158 // these parameters, only trail handling does
1159 void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles)
1162 qboolean found = false;
1163 if (effectnameindex < 1 || effectnameindex >= MAX_PARTICLEEFFECTNAME || !particleeffectname[effectnameindex][0])
1165 Con_DPrintf("Unknown effect number %i received from server\n", effectnameindex);
1166 return; // no such effect
1168 VectorLerp(originmins, 0.5, originmaxs, center);
1169 if (!cl_particles_quake.integer && particleeffectinfo[0].effectnameindex)
1171 int effectinfoindex;
1174 particleeffectinfo_t *info;
1176 vec3_t centervelocity;
1182 qboolean underwater;
1183 // note this runs multiple effects with the same name, each one spawns only one kind of particle, so some effects need more than one
1184 VectorLerp(originmins, 0.5, originmaxs, center);
1185 VectorLerp(velocitymins, 0.5, velocitymaxs, centervelocity);
1186 supercontents = CL_PointSuperContents(center);
1187 underwater = (supercontents & (SUPERCONTENTS_WATER | SUPERCONTENTS_SLIME)) != 0;
1188 VectorSubtract(originmaxs, originmins, traildir);
1189 traillen = VectorLength(traildir);
1190 VectorNormalize(traildir);
1191 for (effectinfoindex = 0, info = particleeffectinfo;effectinfoindex < MAX_PARTICLEEFFECTINFO && info->effectnameindex;effectinfoindex++, info++)
1193 if (info->effectnameindex == effectnameindex)
1196 if ((info->flags & PARTICLEEFFECT_UNDERWATER) && !underwater)
1198 if ((info->flags & PARTICLEEFFECT_NOTUNDERWATER) && underwater)
1201 // spawn a dlight if requested
1202 if (info->lightradiusstart > 0 && spawndlight)
1204 matrix4x4_t tempmatrix;
1205 if (info->trailspacing > 0)
1206 Matrix4x4_CreateTranslate(&tempmatrix, originmaxs[0], originmaxs[1], originmaxs[2]);
1208 Matrix4x4_CreateTranslate(&tempmatrix, center[0], center[1], center[2]);
1209 if (info->lighttime > 0 && info->lightradiusfade > 0)
1211 // light flash (explosion, etc)
1212 // called when effect starts
1213 CL_AllocLightFlash(NULL, &tempmatrix, info->lightradiusstart, info->lightcolor[0], info->lightcolor[1], info->lightcolor[2], info->lightradiusfade, info->lighttime, info->lightcubemapnum, -1, info->lightshadow, 1, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1218 // called by CL_LinkNetworkEntity
1219 Matrix4x4_Scale(&tempmatrix, info->lightradiusstart, 1);
1220 if(r_refdef.scene.numlights < MAX_DLIGHTS)
1221 R_RTLight_Update(&r_refdef.scene.lights[r_refdef.scene.numlights++], false, &tempmatrix, info->lightcolor, -1, info->lightcubemapnum > 0 ? va("cubemaps/%i", info->lightcubemapnum) : NULL, info->lightshadow, 1, 0.25, 0, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1225 if (!spawnparticles)
1230 if (info->tex[1] > info->tex[0])
1232 tex = (int)lhrandom(info->tex[0], info->tex[1]);
1233 tex = min(tex, info->tex[1] - 1);
1235 if (info->particletype == pt_decal)
1236 CL_SpawnDecalParticleForPoint(center, info->originjitter[0], lhrandom(info->size[0], info->size[1]), lhrandom(info->alpha[0], info->alpha[1]), tex, info->color[0], info->color[1]);
1237 else if (info->orientation == PARTICLE_BEAM)
1238 CL_NewParticle(info->particletype, info->color[0], info->color[1], tex, lhrandom(info->size[0], info->size[1]), info->size[2], lhrandom(info->alpha[0], info->alpha[1]), info->alpha[2], 0, 0, originmins[0], originmins[1], originmins[2], originmaxs[0], originmaxs[1], originmaxs[2], 0, 0, 0, 0, false, lhrandom(info->time[0], info->time[1]), info->stretchfactor, info->blendmode, info->orientation);
1241 if (!cl_particles.integer)
1243 switch (info->particletype)
1245 case pt_smoke: if (!cl_particles_smoke.integer) continue;break;
1246 case pt_spark: if (!cl_particles_sparks.integer) continue;break;
1247 case pt_bubble: if (!cl_particles_bubbles.integer) continue;break;
1248 case pt_blood: if (!cl_particles_blood.integer) continue;break;
1249 case pt_rain: if (!cl_particles_rain.integer) continue;break;
1250 case pt_snow: if (!cl_particles_snow.integer) continue;break;
1253 VectorCopy(originmins, trailpos);
1254 if (info->trailspacing > 0)
1256 info->particleaccumulator += traillen / info->trailspacing * cl_particles_quality.value;
1257 trailstep = info->trailspacing / cl_particles_quality.value;
1261 info->particleaccumulator += info->countabsolute + pcount * info->countmultiplier * cl_particles_quality.value;
1264 info->particleaccumulator = bound(0, info->particleaccumulator, 16384);
1265 for (;info->particleaccumulator >= 1;info->particleaccumulator--)
1267 if (info->tex[1] > info->tex[0])
1269 tex = (int)lhrandom(info->tex[0], info->tex[1]);
1270 tex = min(tex, info->tex[1] - 1);
1274 trailpos[0] = lhrandom(originmins[0], originmaxs[0]);
1275 trailpos[1] = lhrandom(originmins[1], originmaxs[1]);
1276 trailpos[2] = lhrandom(originmins[2], originmaxs[2]);
1279 CL_NewParticle(info->particletype, info->color[0], info->color[1], tex, lhrandom(info->size[0], info->size[1]), info->size[2], lhrandom(info->alpha[0], info->alpha[1]), info->alpha[2], info->gravity, info->bounce, trailpos[0] + info->originoffset[0] + info->originjitter[0] * rvec[0], trailpos[1] + info->originoffset[1] + info->originjitter[1] * rvec[1], trailpos[2] + info->originoffset[2] + info->originjitter[2] * rvec[2], lhrandom(velocitymins[0], velocitymaxs[0]) * info->velocitymultiplier + info->velocityoffset[0] + info->velocityjitter[0] * rvec[0], lhrandom(velocitymins[1], velocitymaxs[1]) * info->velocitymultiplier + info->velocityoffset[1] + info->velocityjitter[1] * rvec[1], lhrandom(velocitymins[2], velocitymaxs[2]) * info->velocitymultiplier + info->velocityoffset[2] + info->velocityjitter[2] * rvec[2], info->airfriction, info->liquidfriction, 0, 0, info->countabsolute <= 0, lhrandom(info->time[0], info->time[1]), info->stretchfactor, info->blendmode, info->orientation);
1281 VectorMA(trailpos, trailstep, traildir, trailpos);
1288 CL_ParticleEffect_Fallback(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, spawndlight, spawnparticles);
1291 void CL_ParticleEffect(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor)
1293 CL_ParticleTrail(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, true, true);
1301 void CL_EntityParticles (const entity_t *ent)
1304 float pitch, yaw, dist = 64, beamlength = 16, org[3], v[3];
1305 static vec3_t avelocities[NUMVERTEXNORMALS];
1306 if (!cl_particles.integer) return;
1307 if (cl.time <= cl.oldtime) return; // don't spawn new entity particles while paused
1309 Matrix4x4_OriginFromMatrix(&ent->render.matrix, org);
1311 if (!avelocities[0][0])
1312 for (i = 0;i < NUMVERTEXNORMALS * 3;i++)
1313 avelocities[0][i] = lhrandom(0, 2.55);
1315 for (i = 0;i < NUMVERTEXNORMALS;i++)
1317 yaw = cl.time * avelocities[i][0];
1318 pitch = cl.time * avelocities[i][1];
1319 v[0] = org[0] + m_bytenormals[i][0] * dist + (cos(pitch)*cos(yaw)) * beamlength;
1320 v[1] = org[1] + m_bytenormals[i][1] * dist + (cos(pitch)*sin(yaw)) * beamlength;
1321 v[2] = org[2] + m_bytenormals[i][2] * dist + (-sin(pitch)) * beamlength;
1322 CL_NewParticle(pt_entityparticle, particlepalette[0x6f], particlepalette[0x6f], tex_particle, 1, 0, 255, 0, 0, 0, v[0], v[1], v[2], 0, 0, 0, 0, 0, 0, 0, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1327 void CL_ReadPointFile_f (void)
1329 vec3_t org, leakorg;
1331 char *pointfile = NULL, *pointfilepos, *t, tchar;
1332 char name[MAX_OSPATH];
1337 FS_StripExtension (cl.worldmodel->name, name, sizeof (name));
1338 strlcat (name, ".pts", sizeof (name));
1339 pointfile = (char *)FS_LoadFile(name, tempmempool, true, NULL);
1342 Con_Printf("Could not open %s\n", name);
1346 Con_Printf("Reading %s...\n", name);
1347 VectorClear(leakorg);
1350 pointfilepos = pointfile;
1351 while (*pointfilepos)
1353 while (*pointfilepos == '\n' || *pointfilepos == '\r')
1358 while (*t && *t != '\n' && *t != '\r')
1362 #if _MSC_VER >= 1400
1363 #define sscanf sscanf_s
1365 r = sscanf (pointfilepos,"%f %f %f", &org[0], &org[1], &org[2]);
1371 VectorCopy(org, leakorg);
1374 if (cl.num_particles < cl.max_particles - 3)
1377 CL_NewParticle(pt_alphastatic, particlepalette[(-c)&15], particlepalette[(-c)&15], tex_particle, 2, 0, 255, 0, 0, 0, org[0], org[1], org[2], 0, 0, 0, 0, 0, 0, 0, true, 1<<30, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1380 Mem_Free(pointfile);
1381 VectorCopy(leakorg, org);
1382 Con_Printf("%i points read (%i particles spawned)\nLeak at %f %f %f\n", c, s, org[0], org[1], org[2]);
1384 CL_NewParticle(pt_beam, 0xFF0000, 0xFF0000, tex_beam, 64, 0, 255, 0, 0, 0, org[0] - 4096, org[1], org[2], org[0] + 4096, org[1], org[2], 0, 0, 0, 0, false, 1<<30, 1, PBLEND_ADD, PARTICLE_BEAM);
1385 CL_NewParticle(pt_beam, 0x00FF00, 0x00FF00, tex_beam, 64, 0, 255, 0, 0, 0, org[0], org[1] - 4096, org[2], org[0], org[1] + 4096, org[2], 0, 0, 0, 0, false, 1<<30, 1, PBLEND_ADD, PARTICLE_BEAM);
1386 CL_NewParticle(pt_beam, 0x0000FF, 0x0000FF, tex_beam, 64, 0, 255, 0, 0, 0, org[0], org[1], org[2] - 4096, org[0], org[1], org[2] + 4096, 0, 0, 0, 0, false, 1<<30, 1, PBLEND_ADD, PARTICLE_BEAM);
1391 CL_ParseParticleEffect
1393 Parse an effect out of the server message
1396 void CL_ParseParticleEffect (void)
1399 int i, count, msgcount, color;
1401 MSG_ReadVector(org, cls.protocol);
1402 for (i=0 ; i<3 ; i++)
1403 dir[i] = MSG_ReadChar () * (1.0 / 16.0);
1404 msgcount = MSG_ReadByte ();
1405 color = MSG_ReadByte ();
1407 if (msgcount == 255)
1412 CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
1417 CL_ParticleExplosion
1421 void CL_ParticleExplosion (const vec3_t org)
1427 R_Stain(org, 96, 40, 40, 40, 64, 88, 88, 88, 64);
1428 CL_SpawnDecalParticleForPoint(org, 40, 48, 255, tex_bulletdecal[rand()&7], 0xFFFFFF, 0xFFFFFF);
1430 if (cl_particles_quake.integer)
1432 for (i = 0;i < 1024;i++)
1438 color = particlepalette[ramp1[r]];
1439 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, org[0], org[1], org[2], 0, 0, 0, -4, -4, 16, 256, true, 0.1006 * (8 - r), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1443 color = particlepalette[ramp2[r]];
1444 CL_NewParticle(pt_alphastatic, color, color, tex_particle, 1.5f, 0, 255, 0, 0, 0, org[0], org[1], org[2], 0, 0, 0, 1, 1, 16, 256, true, 0.0669 * (8 - r), 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1450 i = CL_PointSuperContents(org);
1451 if (i & (SUPERCONTENTS_SLIME | SUPERCONTENTS_WATER))
1453 if (cl_particles.integer && cl_particles_bubbles.integer)
1454 for (i = 0;i < 128 * cl_particles_quality.value;i++)
1455 CL_NewParticle(pt_bubble, 0x404040, 0x808080, tex_bubble, 2, 0, lhrandom(128, 255), 128, -0.125, 1.5, org[0], org[1], org[2], 0, 0, 0, 0.0625, 0.25, 16, 96, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1459 if (cl_particles.integer && cl_particles_sparks.integer && cl_particles_explosions_sparks.integer)
1461 for (i = 0;i < 512 * cl_particles_quality.value;i++)
1465 for (k = 0;k < 16;k++)
1468 VectorMA(org, 128, v2, v);
1469 trace = CL_Move(org, vec3_origin, vec3_origin, v, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
1470 if (trace.fraction >= 0.1)
1473 VectorSubtract(trace.endpos, org, v2);
1474 VectorScale(v2, 2.0f, v2);
1475 CL_NewParticle(pt_spark, 0x903010, 0xFFD030, tex_particle, 1.0f, 0, lhrandom(0, 255), 512, 0, 0, org[0], org[1], org[2], v2[0], v2[1], v2[2], 0, 0, 0, 0, true, 0, 1, PBLEND_ADD, PARTICLE_SPARK);
1481 if (cl_particles_explosions_shell.integer)
1482 R_NewExplosion(org);
1487 CL_ParticleExplosion2
1491 void CL_ParticleExplosion2 (const vec3_t org, int colorStart, int colorLength)
1494 if (!cl_particles.integer) return;
1496 for (i = 0;i < 512 * cl_particles_quality.value;i++)
1498 k = particlepalette[colorStart + (i % colorLength)];
1499 if (cl_particles_quake.integer)
1500 CL_NewParticle(pt_alphastatic, k, k, tex_particle, 1, 0, 255, 0, 0, 0, org[0], org[1], org[2], 0, 0, 0, -4, -4, 16, 256, true, 0.3, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1502 CL_NewParticle(pt_alphastatic, k, k, tex_particle, lhrandom(0.5, 1.5), 0, 255, 512, 0, 0, org[0], org[1], org[2], 0, 0, 0, lhrandom(1.5, 3), lhrandom(1.5, 3), 8, 192, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1506 static void CL_Sparks(const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, float sparkcount)
1508 if (cl_particles_sparks.integer)
1510 sparkcount *= cl_particles_quality.value;
1511 while(sparkcount-- > 0)
1512 CL_NewParticle(pt_spark, particlepalette[0x68], particlepalette[0x6f], tex_particle, 0.5f, 0, lhrandom(64, 255), 512, 1, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]) + cl.movevars_gravity * 0.1f, 0, 0, 0, 64, true, 0, 1, PBLEND_ADD, PARTICLE_SPARK);
1516 static void CL_Smoke(const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, float smokecount)
1518 if (cl_particles_smoke.integer)
1520 smokecount *= cl_particles_quality.value;
1521 while(smokecount-- > 0)
1522 CL_NewParticle(pt_smoke, 0x101010, 0x101010, tex_smoke[rand()&7], 2, 2, 255, 256, 0, 0, lhrandom(originmins[0], originmaxs[0]), lhrandom(originmins[1], originmaxs[1]), lhrandom(originmins[2], originmaxs[2]), lhrandom(velocitymins[0], velocitymaxs[0]), lhrandom(velocitymins[1], velocitymaxs[1]), lhrandom(velocitymins[2], velocitymaxs[2]), 0, 0, 0, smokecount > 0 ? 16 : 0, true, 0, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1526 void CL_ParticleCube (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, vec_t gravity, vec_t randomvel)
1529 if (!cl_particles.integer) return;
1531 count = (int)(count * cl_particles_quality.value);
1534 k = particlepalette[colorbase + (rand()&3)];
1535 CL_NewParticle(pt_alphastatic, k, k, tex_particle, 2, 0, 255, 128, gravity, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(mins[2], maxs[2]), dir[0], dir[1], dir[2], 0, 0, 0, randomvel, true, 0, 1, PBLEND_ALPHA, PARTICLE_BILLBOARD);
1539 void CL_ParticleRain (const vec3_t mins, const vec3_t maxs, const vec3_t dir, int count, int colorbase, int type)
1542 float minz, maxz, lifetime = 30;
1543 if (!cl_particles.integer) return;
1544 if (dir[2] < 0) // falling
1546 minz = maxs[2] + dir[2] * 0.1;
1549 lifetime = (maxz - cl.worldmodel->normalmins[2]) / max(1, -dir[2]);
1554 maxz = maxs[2] + dir[2] * 0.1;
1556 lifetime = (cl.worldmodel->normalmaxs[2] - minz) / max(1, dir[2]);
1559 count = (int)(count * cl_particles_quality.value);
1564 if (!cl_particles_rain.integer) break;
1565 count *= 4; // ick, this should be in the mod or maps?
1569 k = particlepalette[colorbase + (rand()&3)];
1570 if (gamemode == GAME_GOODVSBAD2)
1571 CL_NewParticle(pt_rain, k, k, tex_particle, 20, 0, lhrandom(32, 64), 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0, 0, 0, 0, true, lifetime, 1, PBLEND_ADD, PARTICLE_SPARK);
1573 CL_NewParticle(pt_rain, k, k, tex_particle, 0.5, 0, lhrandom(32, 64), 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0, 0, 0, 0, true, lifetime, 1, PBLEND_ADD, PARTICLE_SPARK);
1577 if (!cl_particles_snow.integer) break;
1580 k = particlepalette[colorbase + (rand()&3)];
1581 if (gamemode == GAME_GOODVSBAD2)
1582 CL_NewParticle(pt_snow, k, k, tex_particle, 20, 0, lhrandom(64, 128), 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0, 0, 0, 0, true, lifetime, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1584 CL_NewParticle(pt_snow, k, k, tex_particle, 1, 0, lhrandom(64, 128), 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0, 0, 0, 0, true, lifetime, 1, PBLEND_ADD, PARTICLE_BILLBOARD);
1588 Con_Printf ("CL_ParticleRain: unknown type %i (0 = rain, 1 = snow)\n", type);
1592 #define MAX_PARTICLETEXTURES 64
1593 // particletexture_t is a rectangle in the particlefonttexture
1594 typedef struct particletexture_s
1596 rtexture_t *texture;
1597 float s1, t1, s2, t2;
1601 static rtexturepool_t *particletexturepool;
1602 static rtexture_t *particlefonttexture;
1603 static particletexture_t particletexture[MAX_PARTICLETEXTURES];
1605 static cvar_t r_drawparticles = {0, "r_drawparticles", "1", "enables drawing of particles"};
1606 static cvar_t r_drawparticles_drawdistance = {CVAR_SAVE, "r_drawparticles_drawdistance", "2000", "particles further than drawdistance*size will not be drawn"};
1607 static cvar_t r_drawdecals = {0, "r_drawdecals", "1", "enables drawing of decals"};
1608 static cvar_t r_drawdecals_drawdistance = {CVAR_SAVE, "r_drawdecals_drawdistance", "500", "decals further than drawdistance*size will not be drawn"};
1610 #define PARTICLETEXTURESIZE 64
1611 #define PARTICLEFONTSIZE (PARTICLETEXTURESIZE*8)
1613 static unsigned char shadebubble(float dx, float dy, vec3_t light)
1617 dz = 1 - (dx*dx+dy*dy);
1618 if (dz > 0) // it does hit the sphere
1622 normal[0] = dx;normal[1] = dy;normal[2] = dz;
1623 VectorNormalize(normal);
1624 dot = DotProduct(normal, light);
1625 if (dot > 0.5) // interior reflection
1626 f += ((dot * 2) - 1);
1627 else if (dot < -0.5) // exterior reflection
1628 f += ((dot * -2) - 1);
1630 normal[0] = dx;normal[1] = dy;normal[2] = -dz;
1631 VectorNormalize(normal);
1632 dot = DotProduct(normal, light);
1633 if (dot > 0.5) // interior reflection
1634 f += ((dot * 2) - 1);
1635 else if (dot < -0.5) // exterior reflection
1636 f += ((dot * -2) - 1);
1638 f += 16; // just to give it a haze so you can see the outline
1639 f = bound(0, f, 255);
1640 return (unsigned char) f;
1646 static void setuptex(int texnum, unsigned char *data, unsigned char *particletexturedata)
1648 int basex, basey, y;
1649 basex = ((texnum >> 0) & 7) * PARTICLETEXTURESIZE;
1650 basey = ((texnum >> 3) & 7) * PARTICLETEXTURESIZE;
1651 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1652 memcpy(particletexturedata + ((basey + y) * PARTICLEFONTSIZE + basex) * 4, data + y * PARTICLETEXTURESIZE * 4, PARTICLETEXTURESIZE * 4);
1655 void particletextureblotch(unsigned char *data, float radius, float red, float green, float blue, float alpha)
1658 float cx, cy, dx, dy, f, iradius;
1660 cx = (lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius) + lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius)) * 0.5f;
1661 cy = (lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius) + lhrandom(radius + 1, PARTICLETEXTURESIZE - 2 - radius)) * 0.5f;
1662 iradius = 1.0f / radius;
1663 alpha *= (1.0f / 255.0f);
1664 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1666 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1670 f = (1.0f - sqrt(dx * dx + dy * dy) * iradius) * alpha;
1675 d = data + (y * PARTICLETEXTURESIZE + x) * 4;
1676 d[0] += (int)(f * (blue - d[0]));
1677 d[1] += (int)(f * (green - d[1]));
1678 d[2] += (int)(f * (red - d[2]));
1684 void particletextureclamp(unsigned char *data, int minr, int ming, int minb, int maxr, int maxg, int maxb)
1687 for (i = 0;i < PARTICLETEXTURESIZE*PARTICLETEXTURESIZE;i++, data += 4)
1689 data[0] = bound(minb, data[0], maxb);
1690 data[1] = bound(ming, data[1], maxg);
1691 data[2] = bound(minr, data[2], maxr);
1695 void particletextureinvert(unsigned char *data)
1698 for (i = 0;i < PARTICLETEXTURESIZE*PARTICLETEXTURESIZE;i++, data += 4)
1700 data[0] = 255 - data[0];
1701 data[1] = 255 - data[1];
1702 data[2] = 255 - data[2];
1706 // Those loops are in a separate function to work around an optimization bug in Mac OS X's GCC
1707 static void R_InitBloodTextures (unsigned char *particletexturedata)
1710 unsigned char data[PARTICLETEXTURESIZE][PARTICLETEXTURESIZE][4];
1713 for (i = 0;i < 8;i++)
1715 memset(&data[0][0][0], 255, sizeof(data));
1716 for (k = 0;k < 24;k++)
1717 particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/16, 96, 0, 0, 160);
1718 //particletextureclamp(&data[0][0][0], 32, 32, 32, 255, 255, 255);
1719 particletextureinvert(&data[0][0][0]);
1720 setuptex(tex_bloodparticle[i], &data[0][0][0], particletexturedata);
1724 for (i = 0;i < 8;i++)
1726 memset(&data[0][0][0], 255, sizeof(data));
1728 for (j = 1;j < 10;j++)
1729 for (k = min(j, m - 1);k < m;k++)
1730 particletextureblotch(&data[0][0][0], (float)j*PARTICLETEXTURESIZE/64.0f, 96, 0, 0, 320 - j * 8);
1731 //particletextureclamp(&data[0][0][0], 32, 32, 32, 255, 255, 255);
1732 particletextureinvert(&data[0][0][0]);
1733 setuptex(tex_blooddecal[i], &data[0][0][0], particletexturedata);
1738 //uncomment this to make engine save out particle font to a tga file when run
1739 //#define DUMPPARTICLEFONT
1741 static void R_InitParticleTexture (void)
1743 int x, y, d, i, k, m;
1747 // a note: decals need to modulate (multiply) the background color to
1748 // properly darken it (stain), and they need to be able to alpha fade,
1749 // this is a very difficult challenge because it means fading to white
1750 // (no change to background) rather than black (darkening everything
1751 // behind the whole decal polygon), and to accomplish this the texture is
1752 // inverted (dark red blood on white background becomes brilliant cyan
1753 // and white on black background) so we can alpha fade it to black, then
1754 // we invert it again during the blendfunc to make it work...
1756 #ifndef DUMPPARTICLEFONT
1757 particlefonttexture = loadtextureimage(particletexturepool, "particles/particlefont.tga", false, TEXF_ALPHA | TEXF_PRECACHE, true);
1758 if (!particlefonttexture)
1761 unsigned char *particletexturedata = (unsigned char *)Mem_Alloc(tempmempool, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
1762 unsigned char data[PARTICLETEXTURESIZE][PARTICLETEXTURESIZE][4];
1763 memset(particletexturedata, 255, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
1766 for (i = 0;i < 8;i++)
1768 memset(&data[0][0][0], 255, sizeof(data));
1771 unsigned char noise1[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2], noise2[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2];
1773 fractalnoise(&noise1[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/8);
1774 fractalnoise(&noise2[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/4);
1776 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1778 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1779 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1781 dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1782 d = (noise2[y][x] - 128) * 3 + 192;
1784 d = (int)(d * (1-(dx*dx+dy*dy)));
1785 d = (d * noise1[y][x]) >> 7;
1786 d = bound(0, d, 255);
1787 data[y][x][3] = (unsigned char) d;
1794 setuptex(tex_smoke[i], &data[0][0][0], particletexturedata);
1798 memset(&data[0][0][0], 255, sizeof(data));
1799 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1801 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1802 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1804 dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1805 f = 255.0f * (1.0 - 4.0f * fabs(10.0f - sqrt(dx*dx+dy*dy)));
1806 data[y][x][3] = (int) (bound(0.0f, f, 255.0f));
1809 setuptex(tex_rainsplash, &data[0][0][0], particletexturedata);
1812 memset(&data[0][0][0], 255, sizeof(data));
1813 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1815 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1816 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1818 dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1819 d = (int)(256 * (1 - (dx*dx+dy*dy)));
1820 d = bound(0, d, 255);
1821 data[y][x][3] = (unsigned char) d;
1824 setuptex(tex_particle, &data[0][0][0], particletexturedata);
1827 memset(&data[0][0][0], 255, sizeof(data));
1828 light[0] = 1;light[1] = 1;light[2] = 1;
1829 VectorNormalize(light);
1830 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1832 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1833 // stretch upper half of bubble by +50% and shrink lower half by -50%
1834 // (this gives an elongated teardrop shape)
1836 dy = (dy - 0.5f) * 2.0f;
1838 dy = (dy - 0.5f) / 1.5f;
1839 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1841 dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1842 // shrink bubble width to half
1844 data[y][x][3] = shadebubble(dx, dy, light);
1847 setuptex(tex_raindrop, &data[0][0][0], particletexturedata);
1850 memset(&data[0][0][0], 255, sizeof(data));
1851 light[0] = 1;light[1] = 1;light[2] = 1;
1852 VectorNormalize(light);
1853 for (y = 0;y < PARTICLETEXTURESIZE;y++)
1855 dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1856 for (x = 0;x < PARTICLETEXTURESIZE;x++)
1858 dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
1859 data[y][x][3] = shadebubble(dx, dy, light);
1862 setuptex(tex_bubble, &data[0][0][0], particletexturedata);
1864 // Blood particles and blood decals
1865 R_InitBloodTextures (particletexturedata);
1868 for (i = 0;i < 8;i++)
1870 memset(&data[0][0][0], 255, sizeof(data));
1871 for (k = 0;k < 12;k++)
1872 particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/16, 0, 0, 0, 128);
1873 for (k = 0;k < 3;k++)
1874 particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/2, 0, 0, 0, 160);
1875 //particletextureclamp(&data[0][0][0], 64, 64, 64, 255, 255, 255);
1876 particletextureinvert(&data[0][0][0]);
1877 setuptex(tex_bulletdecal[i], &data[0][0][0], particletexturedata);
1880 #ifdef DUMPPARTICLEFONT
1881 Image_WriteTGABGRA ("particles/particlefont.tga", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata);
1884 particlefonttexture = R_LoadTexture2D(particletexturepool, "particlefont", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata, TEXTYPE_BGRA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
1886 Mem_Free(particletexturedata);
1888 for (i = 0;i < MAX_PARTICLETEXTURES;i++)
1890 int basex = ((i >> 0) & 7) * PARTICLETEXTURESIZE;
1891 int basey = ((i >> 3) & 7) * PARTICLETEXTURESIZE;
1892 particletexture[i].texture = particlefonttexture;
1893 particletexture[i].s1 = (basex + 1) / (float)PARTICLEFONTSIZE;
1894 particletexture[i].t1 = (basey + 1) / (float)PARTICLEFONTSIZE;
1895 particletexture[i].s2 = (basex + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
1896 particletexture[i].t2 = (basey + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
1899 #ifndef DUMPPARTICLEFONT
1900 particletexture[tex_beam].texture = loadtextureimage(particletexturepool, "particles/nexbeam.tga", false, TEXF_ALPHA | TEXF_PRECACHE, true);
1901 if (!particletexture[tex_beam].texture)
1904 unsigned char noise3[64][64], data2[64][16][4];
1906 fractalnoise(&noise3[0][0], 64, 4);
1908 for (y = 0;y < 64;y++)
1910 dy = (y - 0.5f*64) / (64*0.5f-1);
1911 for (x = 0;x < 16;x++)
1913 dx = (x - 0.5f*16) / (16*0.5f-2);
1914 d = (int)((1 - sqrt(fabs(dx))) * noise3[y][x]);
1915 data2[y][x][0] = data2[y][x][1] = data2[y][x][2] = (unsigned char) bound(0, d, 255);
1916 data2[y][x][3] = 255;
1920 #ifdef DUMPPARTICLEFONT
1921 Image_WriteTGABGRA ("particles/nexbeam.tga", 64, 64, &data2[0][0][0]);
1923 particletexture[tex_beam].texture = R_LoadTexture2D(particletexturepool, "nexbeam", 16, 64, &data2[0][0][0], TEXTYPE_BGRA, TEXF_PRECACHE, NULL);
1925 particletexture[tex_beam].s1 = 0;
1926 particletexture[tex_beam].t1 = 0;
1927 particletexture[tex_beam].s2 = 1;
1928 particletexture[tex_beam].t2 = 1;
1931 static void r_part_start(void)
1934 // generate particlepalette for convenience from the main one
1935 for (i = 0;i < 256;i++)
1936 particlepalette[i] = palette_rgb[i][0] * 65536 + palette_rgb[i][1] * 256 + palette_rgb[i][2];
1937 particletexturepool = R_AllocTexturePool();
1938 R_InitParticleTexture ();
1939 CL_Particles_LoadEffectInfo();
1942 static void r_part_shutdown(void)
1944 R_FreeTexturePool(&particletexturepool);
1947 static void r_part_newmap(void)
1949 CL_Particles_LoadEffectInfo();
1952 #define BATCHSIZE 256
1953 unsigned short particle_elements[BATCHSIZE*6];
1955 void R_Particles_Init (void)
1958 for (i = 0;i < BATCHSIZE;i++)
1960 particle_elements[i*6+0] = i*4+0;
1961 particle_elements[i*6+1] = i*4+1;
1962 particle_elements[i*6+2] = i*4+2;
1963 particle_elements[i*6+3] = i*4+0;
1964 particle_elements[i*6+4] = i*4+2;
1965 particle_elements[i*6+5] = i*4+3;
1968 Cvar_RegisterVariable(&r_drawparticles);
1969 Cvar_RegisterVariable(&r_drawparticles_drawdistance);
1970 Cvar_RegisterVariable(&r_drawdecals);
1971 Cvar_RegisterVariable(&r_drawdecals_drawdistance);
1972 R_RegisterModule("R_Particles", r_part_start, r_part_shutdown, r_part_newmap);
1975 void R_DrawDecal_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
1977 int surfacelistindex;
1979 float *v3f, *t2f, *c4f;
1980 particletexture_t *tex;
1981 float right[3], up[3], size, ca;
1982 float alphascale = (1.0f / 65536.0f) * cl_particles_alpha.value * r_refdef.view.colorscale;
1983 float particle_vertex3f[BATCHSIZE*12], particle_texcoord2f[BATCHSIZE*8], particle_color4f[BATCHSIZE*16];
1985 r_refdef.stats.decals += numsurfaces;
1986 R_Mesh_Matrix(&identitymatrix);
1987 R_Mesh_ResetTextureState();
1988 R_Mesh_VertexPointer(particle_vertex3f, 0, 0);
1989 R_Mesh_TexCoordPointer(0, 2, particle_texcoord2f, 0, 0);
1990 R_Mesh_ColorPointer(particle_color4f, 0, 0);
1991 R_SetupGenericShader(true);
1992 GL_DepthMask(false);
1993 GL_DepthRange(0, 1);
1994 GL_PolygonOffset(0, 0);
1996 GL_CullFace(GL_NONE);
1998 // generate all the vertices at once
1999 for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
2001 d = cl.decals + surfacelist[surfacelistindex];
2004 c4f = particle_color4f + 16*surfacelistindex;
2005 ca = d->alpha * alphascale;
2006 if (r_refdef.fogenabled)
2007 ca *= FogPoint_World(d->org);
2008 Vector4Set(c4f, d->color[0] * ca, d->color[1] * ca, d->color[2] * ca, 1);
2009 Vector4Copy(c4f, c4f + 4);
2010 Vector4Copy(c4f, c4f + 8);
2011 Vector4Copy(c4f, c4f + 12);
2013 // calculate vertex positions
2014 size = d->size * cl_particles_size.value;
2015 VectorVectors(d->normal, right, up);
2016 VectorScale(right, size, right);
2017 VectorScale(up, size, up);
2018 v3f = particle_vertex3f + 12*surfacelistindex;
2019 v3f[ 0] = d->org[0] - right[0] - up[0];
2020 v3f[ 1] = d->org[1] - right[1] - up[1];
2021 v3f[ 2] = d->org[2] - right[2] - up[2];
2022 v3f[ 3] = d->org[0] - right[0] + up[0];
2023 v3f[ 4] = d->org[1] - right[1] + up[1];
2024 v3f[ 5] = d->org[2] - right[2] + up[2];
2025 v3f[ 6] = d->org[0] + right[0] + up[0];
2026 v3f[ 7] = d->org[1] + right[1] + up[1];
2027 v3f[ 8] = d->org[2] + right[2] + up[2];
2028 v3f[ 9] = d->org[0] + right[0] - up[0];
2029 v3f[10] = d->org[1] + right[1] - up[1];
2030 v3f[11] = d->org[2] + right[2] - up[2];
2032 // calculate texcoords
2033 tex = &particletexture[d->texnum];
2034 t2f = particle_texcoord2f + 8*surfacelistindex;
2035 t2f[0] = tex->s1;t2f[1] = tex->t2;
2036 t2f[2] = tex->s1;t2f[3] = tex->t1;
2037 t2f[4] = tex->s2;t2f[5] = tex->t1;
2038 t2f[6] = tex->s2;t2f[7] = tex->t2;
2041 // now render the decals all at once
2042 // (this assumes they all use one particle font texture!)
2043 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
2044 R_Mesh_TexBind(0, R_GetTexture(particletexture[63].texture));
2045 GL_LockArrays(0, numsurfaces*4);
2046 R_Mesh_Draw(0, numsurfaces * 4, 0, numsurfaces * 2, NULL, particle_elements, 0, 0);
2047 GL_LockArrays(0, 0);
2050 void R_DrawDecals (void)
2058 frametime = bound(0, cl.time - cl.decals_updatetime, 1);
2059 cl.decals_updatetime = bound(cl.time - 1, cl.decals_updatetime + frametime, cl.time + 1);
2061 // LordHavoc: early out conditions
2062 if ((!cl.num_decals) || (!r_drawdecals.integer))
2065 decalfade = frametime * 256 / cl_decals_fadetime.value;
2066 drawdist2 = r_drawdecals_drawdistance.value * r_refdef.view.quality;
2067 drawdist2 = drawdist2*drawdist2;
2069 for (i = 0, decal = cl.decals;i < cl.num_decals;i++, decal++)
2071 if (!decal->typeindex)
2074 if (cl.time > decal->time2 + cl_decals_time.value)
2076 decal->alpha -= decalfade;
2077 if (decal->alpha <= 0)
2083 if (cl.entities[decal->owner].render.model == decal->ownermodel)
2085 Matrix4x4_Transform(&cl.entities[decal->owner].render.matrix, decal->relativeorigin, decal->org);
2086 Matrix4x4_Transform3x3(&cl.entities[decal->owner].render.matrix, decal->relativenormal, decal->normal);
2092 if (DotProduct(r_refdef.view.origin, decal->normal) > DotProduct(decal->org, decal->normal) && VectorDistance2(decal->org, r_refdef.view.origin) < drawdist2 * (decal->size * decal->size))
2094 if(!cl_particles_novis.integer)
2095 if (!r_refdef.viewcache.world_novis)
2096 if(r_refdef.scene.worldmodel->brush.PointInLeaf)
2098 mleaf_t *leaf = r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, decal->org);
2100 if(!CHECKPVSBIT(r_refdef.viewcache.world_pvsbits, leaf->clusterindex))
2103 R_MeshQueue_AddTransparent(decal->org, R_DrawDecal_TransparentCallback, NULL, i, NULL);
2107 decal->typeindex = 0;
2108 if (cl.free_decal > i)
2112 // reduce cl.num_decals if possible
2113 while (cl.num_decals > 0 && cl.decals[cl.num_decals - 1].typeindex == 0)
2116 if (cl.num_decals == cl.max_decals && cl.max_decals < ABSOLUTE_MAX_DECALS)
2118 decal_t *olddecals = cl.decals;
2119 cl.max_decals = min(cl.max_decals * 2, ABSOLUTE_MAX_DECALS);
2120 cl.decals = (decal_t *) Mem_Alloc(cls.levelmempool, cl.max_decals * sizeof(decal_t));
2121 memcpy(cl.decals, olddecals, cl.num_decals * sizeof(decal_t));
2122 Mem_Free(olddecals);
2126 void R_DrawParticle_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
2128 int surfacelistindex;
2129 int batchstart, batchcount;
2130 const particle_t *p;
2132 rtexture_t *texture;
2133 float *v3f, *t2f, *c4f;
2134 particletexture_t *tex;
2135 float up2[3], v[3], right[3], up[3], fog, ifog, size, len, lenfactor;
2136 float ambient[3], diffuse[3], diffusenormal[3];
2137 vec4_t colormultiplier;
2138 float particle_vertex3f[BATCHSIZE*12], particle_texcoord2f[BATCHSIZE*8], particle_color4f[BATCHSIZE*16];
2140 Vector4Set(colormultiplier, r_refdef.view.colorscale * (1.0 / 256.0f), r_refdef.view.colorscale * (1.0 / 256.0f), r_refdef.view.colorscale * (1.0 / 256.0f), cl_particles_alpha.value * (1.0 / 256.0f));
2142 r_refdef.stats.particles += numsurfaces;
2143 R_Mesh_Matrix(&identitymatrix);
2144 R_Mesh_ResetTextureState();
2145 R_Mesh_VertexPointer(particle_vertex3f, 0, 0);
2146 R_Mesh_TexCoordPointer(0, 2, particle_texcoord2f, 0, 0);
2147 R_Mesh_ColorPointer(particle_color4f, 0, 0);
2148 R_SetupGenericShader(true);
2149 GL_DepthMask(false);
2150 GL_DepthRange(0, 1);
2151 GL_PolygonOffset(0, 0);
2153 GL_CullFace(GL_NONE);
2155 // first generate all the vertices at once
2156 for (surfacelistindex = 0, v3f = particle_vertex3f, t2f = particle_texcoord2f, c4f = particle_color4f;surfacelistindex < numsurfaces;surfacelistindex++, v3f += 3*4, t2f += 2*4, c4f += 4*4)
2158 p = cl.particles + surfacelist[surfacelistindex];
2160 blendmode = p->blendmode;
2162 c4f[0] = p->color[0] * colormultiplier[0];
2163 c4f[1] = p->color[1] * colormultiplier[1];
2164 c4f[2] = p->color[2] * colormultiplier[2];
2165 c4f[3] = p->alpha * colormultiplier[3];
2168 case PBLEND_INVALID:
2171 // additive and modulate can just fade out in fog (this is correct)
2172 if (r_refdef.fogenabled)
2173 c4f[3] *= FogPoint_World(p->org);
2174 // collapse alpha into color for these blends (so that the particlefont does not need alpha on most textures)
2181 // note: lighting is not cheap!
2182 if (particletype[p->typeindex].lighting)
2184 R_CompleteLightPoint(ambient, diffuse, diffusenormal, p->org, true);
2185 c4f[0] *= (ambient[0] + 0.5 * diffuse[0]);
2186 c4f[1] *= (ambient[1] + 0.5 * diffuse[1]);
2187 c4f[2] *= (ambient[2] + 0.5 * diffuse[2]);
2189 // mix in the fog color
2190 if (r_refdef.fogenabled)
2192 fog = FogPoint_World(p->org);
2194 c4f[0] = c4f[0] * fog + r_refdef.fogcolor[0] * ifog;
2195 c4f[1] = c4f[1] * fog + r_refdef.fogcolor[1] * ifog;
2196 c4f[2] = c4f[2] * fog + r_refdef.fogcolor[2] * ifog;
2200 // copy the color into the other three vertices
2201 Vector4Copy(c4f, c4f + 4);
2202 Vector4Copy(c4f, c4f + 8);
2203 Vector4Copy(c4f, c4f + 12);
2205 size = p->size * cl_particles_size.value;
2206 tex = &particletexture[p->texnum];
2207 switch(p->orientation)
2209 case PARTICLE_INVALID:
2210 case PARTICLE_BILLBOARD:
2211 VectorScale(r_refdef.view.left, -size * p->stretch, right);
2212 VectorScale(r_refdef.view.up, size, up);
2213 v3f[ 0] = p->org[0] - right[0] - up[0];
2214 v3f[ 1] = p->org[1] - right[1] - up[1];
2215 v3f[ 2] = p->org[2] - right[2] - up[2];
2216 v3f[ 3] = p->org[0] - right[0] + up[0];
2217 v3f[ 4] = p->org[1] - right[1] + up[1];
2218 v3f[ 5] = p->org[2] - right[2] + up[2];
2219 v3f[ 6] = p->org[0] + right[0] + up[0];
2220 v3f[ 7] = p->org[1] + right[1] + up[1];
2221 v3f[ 8] = p->org[2] + right[2] + up[2];
2222 v3f[ 9] = p->org[0] + right[0] - up[0];
2223 v3f[10] = p->org[1] + right[1] - up[1];
2224 v3f[11] = p->org[2] + right[2] - up[2];
2225 t2f[0] = tex->s1;t2f[1] = tex->t2;
2226 t2f[2] = tex->s1;t2f[3] = tex->t1;
2227 t2f[4] = tex->s2;t2f[5] = tex->t1;
2228 t2f[6] = tex->s2;t2f[7] = tex->t2;
2230 case PARTICLE_ORIENTED_DOUBLESIDED:
2231 VectorVectors(p->vel, right, up);
2232 VectorScale(right, size * p->stretch, right);
2233 VectorScale(up, size, up);
2234 v3f[ 0] = p->org[0] - right[0] - up[0];
2235 v3f[ 1] = p->org[1] - right[1] - up[1];
2236 v3f[ 2] = p->org[2] - right[2] - up[2];
2237 v3f[ 3] = p->org[0] - right[0] + up[0];
2238 v3f[ 4] = p->org[1] - right[1] + up[1];
2239 v3f[ 5] = p->org[2] - right[2] + up[2];
2240 v3f[ 6] = p->org[0] + right[0] + up[0];
2241 v3f[ 7] = p->org[1] + right[1] + up[1];
2242 v3f[ 8] = p->org[2] + right[2] + up[2];
2243 v3f[ 9] = p->org[0] + right[0] - up[0];
2244 v3f[10] = p->org[1] + right[1] - up[1];
2245 v3f[11] = p->org[2] + right[2] - up[2];
2246 t2f[0] = tex->s1;t2f[1] = tex->t2;
2247 t2f[2] = tex->s1;t2f[3] = tex->t1;
2248 t2f[4] = tex->s2;t2f[5] = tex->t1;
2249 t2f[6] = tex->s2;t2f[7] = tex->t2;
2251 case PARTICLE_SPARK:
2252 len = VectorLength(p->vel);
2253 VectorNormalize2(p->vel, up);
2254 lenfactor = p->stretch * 0.04 * len;
2255 if(lenfactor < size * 0.5)
2256 lenfactor = size * 0.5;
2257 VectorMA(p->org, -lenfactor, up, v);
2258 VectorMA(p->org, lenfactor, up, up2);
2259 R_CalcBeam_Vertex3f(v3f, v, up2, size);
2260 t2f[0] = tex->s1;t2f[1] = tex->t2;
2261 t2f[2] = tex->s1;t2f[3] = tex->t1;
2262 t2f[4] = tex->s2;t2f[5] = tex->t1;
2263 t2f[6] = tex->s2;t2f[7] = tex->t2;
2266 R_CalcBeam_Vertex3f(v3f, p->org, p->vel, size);
2267 VectorSubtract(p->vel, p->org, up);
2268 VectorNormalize(up);
2269 v[0] = DotProduct(p->org, up) * (1.0f / 64.0f) * p->stretch;
2270 v[1] = DotProduct(p->vel, up) * (1.0f / 64.0f) * p->stretch;
2271 t2f[0] = 1;t2f[1] = v[0];
2272 t2f[2] = 0;t2f[3] = v[0];
2273 t2f[4] = 0;t2f[5] = v[1];
2274 t2f[6] = 1;t2f[7] = v[1];
2279 // now render batches of particles based on blendmode and texture
2280 blendmode = PBLEND_INVALID;
2282 GL_LockArrays(0, numsurfaces*4);
2285 for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
2287 p = cl.particles + surfacelist[surfacelistindex];
2289 if (blendmode != p->blendmode)
2291 blendmode = p->blendmode;
2295 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2297 case PBLEND_INVALID:
2299 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2302 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
2306 if (texture != particletexture[p->texnum].texture)
2308 texture = particletexture[p->texnum].texture;
2309 R_Mesh_TexBind(0, R_GetTexture(texture));
2312 // iterate until we find a change in settings
2313 batchstart = surfacelistindex++;
2314 for (;surfacelistindex < numsurfaces;surfacelistindex++)
2316 p = cl.particles + surfacelist[surfacelistindex];
2317 if (blendmode != p->blendmode || texture != particletexture[p->texnum].texture)
2321 batchcount = surfacelistindex - batchstart;
2322 R_Mesh_Draw(batchstart * 4, batchcount * 4, batchstart * 2, batchcount * 2, NULL, particle_elements, 0, 0);
2324 GL_LockArrays(0, 0);
2327 void R_DrawParticles (void)
2330 float minparticledist;
2332 float gravity, dvel, decalfade, frametime, f, dist, oldorg[3];
2338 frametime = bound(0, cl.time - cl.particles_updatetime, 1);
2339 cl.particles_updatetime = bound(cl.time - 1, cl.particles_updatetime + frametime, cl.time + 1);
2341 // LordHavoc: early out conditions
2342 if ((!cl.num_particles) || (!r_drawparticles.integer))
2345 minparticledist = DotProduct(r_refdef.view.origin, r_refdef.view.forward) + 4.0f;
2346 gravity = frametime * cl.movevars_gravity;
2347 dvel = 1+4*frametime;
2348 decalfade = frametime * 255 / cl_decals_fadetime.value;
2349 update = frametime > 0;
2350 drawdist2 = r_drawparticles_drawdistance.value * r_refdef.view.quality;
2351 drawdist2 = drawdist2*drawdist2;
2353 for (i = 0, p = cl.particles;i < cl.num_particles;i++, p++)
2357 if (cl.free_particle > i)
2358 cl.free_particle = i;
2364 if (p->delayedspawn > cl.time)
2366 p->delayedspawn = 0;
2370 p->size += p->sizeincrease * frametime;
2371 p->alpha -= p->alphafade * frametime;
2373 if (p->alpha <= 0 || p->die <= cl.time)
2376 if (p->orientation != PARTICLE_BEAM && frametime > 0)
2378 if (p->liquidfriction && (CL_PointSuperContents(p->org) & SUPERCONTENTS_LIQUIDSMASK))
2380 if (p->typeindex == pt_blood)
2381 p->size += frametime * 8;
2383 p->vel[2] -= p->gravity * gravity;
2384 f = 1.0f - min(p->liquidfriction * frametime, 1);
2385 VectorScale(p->vel, f, p->vel);
2389 p->vel[2] -= p->gravity * gravity;
2392 f = 1.0f - min(p->airfriction * frametime, 1);
2393 VectorScale(p->vel, f, p->vel);
2397 VectorCopy(p->org, oldorg);
2398 VectorMA(p->org, frametime, p->vel, p->org);
2399 if (p->bounce && cl.time >= p->delayedcollisions)
2401 trace = CL_Move(oldorg, vec3_origin, vec3_origin, p->org, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | ((p->typeindex == pt_rain || p->typeindex == pt_snow) ? SUPERCONTENTS_LIQUIDSMASK : 0), true, false, &hitent, false);
2402 // if the trace started in or hit something of SUPERCONTENTS_NODROP
2403 // or if the trace hit something flagged as NOIMPACT
2404 // then remove the particle
2405 if (trace.hitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT || ((trace.startsupercontents | trace.hitsupercontents) & SUPERCONTENTS_NODROP) || (trace.startsupercontents & SUPERCONTENTS_SOLID))
2407 VectorCopy(trace.endpos, p->org);
2408 // react if the particle hit something
2409 if (trace.fraction < 1)
2411 VectorCopy(trace.endpos, p->org);
2412 if (p->typeindex == pt_blood)
2414 // blood - splash on solid
2415 if (trace.hitq3surfaceflags & Q3SURFACEFLAG_NOMARKS)
2417 R_Stain(p->org, 16, 64, 16, 16, (int)(p->alpha * p->size * (1.0f / 80.0f)), 64, 32, 32, (int)(p->alpha * p->size * (1.0f / 80.0f)));
2418 if (cl_decals.integer)
2420 // create a decal for the blood splat
2421 CL_SpawnDecalParticleForSurface(hitent, p->org, trace.plane.normal, p->color[0] * 65536 + p->color[1] * 256 + p->color[2], p->color[0] * 65536 + p->color[1] * 256 + p->color[2], tex_blooddecal[rand()&7], p->size * 2, p->alpha);
2425 else if (p->bounce < 0)
2427 // bounce -1 means remove on impact
2432 // anything else - bounce off solid
2433 dist = DotProduct(p->vel, trace.plane.normal) * -p->bounce;
2434 VectorMA(p->vel, dist, trace.plane.normal, p->vel);
2435 if (DotProduct(p->vel, p->vel) < 0.03)
2436 VectorClear(p->vel);
2442 if (p->typeindex != pt_static)
2444 switch (p->typeindex)
2446 case pt_entityparticle:
2447 // particle that removes itself after one rendered frame
2454 a = CL_PointSuperContents(p->org);
2455 if (a & (SUPERCONTENTS_SOLID | SUPERCONTENTS_LAVA | SUPERCONTENTS_NODROP))
2459 a = CL_PointSuperContents(p->org);
2460 if (!(a & (SUPERCONTENTS_WATER | SUPERCONTENTS_SLIME)))
2464 a = CL_PointSuperContents(p->org);
2465 if (a & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_LIQUIDSMASK))
2469 if (cl.time > p->time2)
2472 p->time2 = cl.time + (rand() & 3) * 0.1;
2473 p->vel[0] = p->vel[0] * 0.9f + lhrandom(-32, 32);
2474 p->vel[1] = p->vel[0] * 0.9f + lhrandom(-32, 32);
2476 a = CL_PointSuperContents(p->org);
2477 if (a & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_LIQUIDSMASK))
2485 else if (p->delayedspawn)
2488 // don't render particles too close to the view (they chew fillrate)
2489 // also don't render particles behind the view (useless)
2490 // further checks to cull to the frustum would be too slow here
2491 switch(p->typeindex)
2494 // beams have no culling
2495 R_MeshQueue_AddTransparent(p->org, R_DrawParticle_TransparentCallback, NULL, i, NULL);
2498 if(!cl_particles_novis.integer)
2499 if (!r_refdef.viewcache.world_novis)
2500 if(r_refdef.scene.worldmodel->brush.PointInLeaf)
2502 mleaf_t *leaf = r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, p->org);
2504 if(!CHECKPVSBIT(r_refdef.viewcache.world_pvsbits, leaf->clusterindex))
2507 // anything else just has to be in front of the viewer and visible at this distance
2508 if (DotProduct(p->org, r_refdef.view.forward) >= minparticledist && VectorDistance2(p->org, r_refdef.view.origin) < drawdist2 * (p->size * p->size))
2509 R_MeshQueue_AddTransparent(p->org, R_DrawParticle_TransparentCallback, NULL, i, NULL);
2516 if (cl.free_particle > i)
2517 cl.free_particle = i;
2520 // reduce cl.num_particles if possible
2521 while (cl.num_particles > 0 && cl.particles[cl.num_particles - 1].typeindex == 0)
2524 if (cl.num_particles == cl.max_particles && cl.max_particles < ABSOLUTE_MAX_PARTICLES)
2526 particle_t *oldparticles = cl.particles;
2527 cl.max_particles = min(cl.max_particles * 2, ABSOLUTE_MAX_PARTICLES);
2528 cl.particles = (particle_t *) Mem_Alloc(cls.levelmempool, cl.max_particles * sizeof(particle_t));
2529 memcpy(cl.particles, oldparticles, cl.num_particles * sizeof(particle_t));
2530 Mem_Free(oldparticles);