qcsrc/client/projectile.qc

   1 .vector iorigin1, iorigin2;
   2 .float spawntime;
   3 .vector trail_oldorigin;
   4 .float trail_oldtime;
   5 .float fade_time, fade_rate;
   6
   7 void SUB_Null()
   8 {
   9 }
  10
  11 void SUB_Stop()
  12 {
  13         self.move_velocity = self.move_avelocity = '0 0 0';
  14         self.move_movetype = MOVETYPE_NONE;
  15 }
  16
  17 .float alphamod;
  18 .float count; // set if clientside projectile
  19 .float cnt; // sound index
  20 .float gravity;
  21 .float snd_looping;
  22 .float silent;
  23 .float traileffect;
  24
  25 void Projectile_DrawTrail(vector to)
  26 {
  27         vector from;
  28         float t0;
  29         from = self.trail_oldorigin;
  30         t0 = self.trail_oldtime;
  31         self.trail_oldorigin = to;
  32         self.trail_oldtime = time;
  33
  34         // force the effect even for stationary firemine
  35         if(self.cnt == PROJECTILE_FIREMINE)
  36                 if(from == to)
  37                         from_z += 1;
  38
  39         if (self.traileffect)
  40         {
  41                 if(checkextension("DP_CSQC_BOXPARTICLES"))
  42                 {
  43                         /* looks good, but we can do better with particle count
  44                         particles_alphamin = particles_alphamax = self.alpha;
  45                         boxparticles(self.traileffect, self, from, to, self.velocity, self.velocity, 1, PARTICLES_USEALPHA);
  46                         */
  47                         /* looks bad
  48                         boxparticles(self.traileffect, self, from, to, self.velocity, self.velocity, self.alpha, 0);
  49                         */
  50                         particles_alphamin = particles_alphamax = sqrt(self.alpha);
  51                         boxparticles(self.traileffect, self, from, to, self.velocity, self.velocity, sqrt(self.alpha), PARTICLES_USEALPHA);
  52                 }
  53                 else
  54                         trailparticles(self, self.traileffect, from, to);
  55         }
  56 }
  57
  58 void Projectile_Draw()
  59 {
  60         vector rot;
  61         vector trailorigin;
  62         float f;
  63         float drawn;
  64         float t;
  65         float a;
  66
  67         f = self.move_flags;
  68
  69         if(self.count & 0x80)
  70         {
  71                 //self.move_flags &~= FL_ONGROUND;
  72                 if(self.move_movetype == MOVETYPE_NONE || self.move_movetype == MOVETYPE_FLY)
  73                         Movetype_Physics_NoMatchServer();
  74                         // the trivial movetypes do not have to match the
  75                         // server's ticrate as they are ticrate independent
  76                         // NOTE: this assumption is only true if MOVETYPE_FLY
  77                         // projectiles detonate on impact. If they continue
  78                         // moving, we might still be ticrate dependent.
  79                 else
  80                         Movetype_Physics_MatchServer(autocvar_cl_projectiles_sloppy);
  81                 if(!(self.move_flags & FL_ONGROUND))
  82                         self.angles = vectoangles(self.velocity);
  83         }
  84         else
  85         {
  86                 InterpolateOrigin_Do();
  87         }
  88
  89         if(self.count & 0x80)
  90         {
  91                 drawn = (time >= self.spawntime - 0.02);
  92                 t = max(time, self.spawntime);
  93         }
  94         else
  95         {
  96                 drawn = (self.iflags & IFLAG_VALID);
  97                 t = time;
  98         }
  99
 100         if(!(f & FL_ONGROUND))
 101         {
 102                 rot = '0 0 0';
 103                 switch(self.cnt)
 104                 {
 105                         /*
 106                         case PROJECTILE_GRENADE:
 107                                 rot = '-2000 0 0'; // forward
 108                                 break;
 109                         */
 110                         case PROJECTILE_GRENADE_BOUNCING:
 111                                 rot = '0 -1000 0'; // sideways
 112                                 break;
 113                         case PROJECTILE_HOOKBOMB:
 114                                 rot = '1000 0 0'; // forward
 115                                 break;
 116                         default:
 117                                 break;
 118                 }
 119                 self.angles = AnglesTransform_ToAngles(AnglesTransform_Multiply(AnglesTransform_FromAngles(self.angles), rot * (t - self.spawntime)));
 120         }
 121
 122         vector ang;
 123         ang = self.angles;
 124         ang_x = -ang_x;
 125         makevectors(ang);
 126
 127         a = 1 - (time - self.fade_time) * self.fade_rate;
 128         self.alpha = bound(0, self.alphamod * a, 1);
 129         if(self.alpha <= 0)
 130                 drawn = 0;
 131         self.renderflags = 0;
 132
 133         trailorigin = self.origin;
 134         switch(self.cnt)
 135         {
 136                 case PROJECTILE_GRENADE:
 137                 case PROJECTILE_GRENADE_BOUNCING:
 138                         trailorigin += v_right * 1 + v_forward * -10;
 139                         break;
 140                 default:
 141                         break;
 142         }
 143         if(drawn)
 144                 Projectile_DrawTrail(trailorigin);
 145         else
 146         {
 147                 self.trail_oldorigin = trailorigin;
 148                 self.trail_oldtime = time;
 149         }
 150
 151         if(!drawn)
 152                 return;
 153
 154         switch(self.cnt)
 155         {
 156                 case PROJECTILE_BULLET_GLOWING:
 157                 case PROJECTILE_BULLET_GLOWING_TRACER:
 158                         R_AddDynamicLight(self.origin, 50 * a, '1 1 0');
 159                         break;
 160                 default:
 161                         break;
 162         }
 163
 164         R_AddEntity(self);
 165 }
 166
 167 void loopsound(entity e, float ch, string samp, float vol, float attn)
 168 {
 169         if(self.silent)
 170                 return;
 171
 172         sound(e, ch, samp, vol, attn);
 173         e.snd_looping = 1;
 174 }
 175
 176 void Ent_RemoveProjectile()
 177 {
 178         if(self.snd_looping)
 179                 sound(self, CHAN_PROJECTILE, "misc/null.wav", VOL_BASE, ATTN_NORM);
 180
 181         if(self.count & 0x80)
 182         {
 183                 tracebox(self.origin, self.mins, self.maxs, self.origin + self.velocity * 0.05, MOVE_NORMAL, self);
 184                 Projectile_DrawTrail(trace_endpos);
 185         }
 186 }
 187
 188 void Ent_Projectile()
 189 {
 190         float f;
 191
 192         // projectile properties:
 193         //   kind (interpolated, or clientside)
 194         //
 195         //   modelindex
 196         //   origin
 197         //   scale
 198         //   if clientside:
 199         //     velocity
 200         //     gravity
 201         //   soundindex (hardcoded list)
 202         //   effects
 203         //
 204         // projectiles don't send angles, because they always follow the velocity
 205
 206         f = ReadByte();
 207         self.count = (f & 0x80);
 208         self.iflags = (self.iflags & IFLAG_INTERNALMASK) | IFLAG_AUTOANGLES | IFLAG_ANGLES;
 209         self.solid = SOLID_TRIGGER;
 210         //self.effects = EF_NOMODELFLAGS;
 211
 212         // this should make collisions with bmodels more exact, but it leads to
 213         // projectiles no longer being able to lie on a bmodel
 214         self.move_nomonsters = MOVE_WORLDONLY;
 215         if(f & 0x40)
 216                 self.move_flags |= FL_ONGROUND;
 217         else
 218                 self.move_flags &~= FL_ONGROUND;
 219
 220         if(!self.move_time)
 221         {
 222                 // for some unknown reason, we don't need to care for
 223                 // sv_gameplayfix_delayprojectiles here.
 224                 self.move_time = time;
 225                 self.spawntime = time;
 226         }
 227         else
 228                 self.move_time = max(self.move_time, time);
 229
 230         if(!(self.count & 0x80))
 231                 InterpolateOrigin_Undo();
 232
 233         if(f & 1)
 234         {
 235                 self.origin_x = ReadCoord();
 236                 self.origin_y = ReadCoord();
 237                 self.origin_z = ReadCoord();
 238                 if(self.count & 0x80)
 239                 {
 240                         self.velocity_x = ReadCoord();
 241                         self.velocity_y = ReadCoord();
 242                         self.velocity_z = ReadCoord();
 243                         if(f & 0x10)
 244                                 self.gravity = ReadCoord();
 245                         else
 246                                 self.gravity = 0; // none
 247                         self.move_origin = self.origin;
 248                         self.move_velocity = self.velocity;
 249                 }
 250
 251                 if(time == self.spawntime || (self.count & 0x80) || (f & 0x08))
 252                 {
 253                         self.trail_oldorigin = self.origin;
 254                         if(!(self.count & 0x80))
 255                                 InterpolateOrigin_Reset();
 256                 }
 257
 258                 if(f & 0x20)
 259                 {
 260                         self.fade_time = time + ReadByte() * ticrate;
 261                         self.fade_rate = 1 / (ReadByte() * ticrate);
 262                 }
 263                 else
 264                 {
 265                         self.fade_time = 0;
 266                         self.fade_rate = 0;
 267                 }
 268         }
 269
 270         if(f & 2)
 271         {
 272                 self.cnt = ReadByte();
 273
 274                 self.silent = (self.cnt & 0x80);
 275                 self.cnt = (self.cnt & 0x7F);
 276
 277                 self.scale = 1;
 278                 self.traileffect = 0;
 279                 switch(self.cnt)
 280                 {
 281                         case PROJECTILE_ELECTRO: setmodel(self, "models/ebomb.mdl");self.traileffect = particleeffectnum("TR_NEXUIZPLASMA"); break;
 282                         case PROJECTILE_ROCKET: setmodel(self, "models/rocket.md3");self.traileffect = particleeffectnum("TR_ROCKET"); self.scale = 2; break;
 283                         case PROJECTILE_BULLET: setmodel(self, "models/tracer.mdl");self.traileffect = particleeffectnum("tr_bullet"); break;
 284                         case PROJECTILE_BULLET_GLOWING: setmodel(self, "models/tracer.mdl");self.traileffect = particleeffectnum("tr_bullet"); break;
 285                         case PROJECTILE_BULLET_GLOWING_TRACER: setmodel(self, "models/tracer.mdl");self.traileffect = particleeffectnum("tr_rifle"); break;
 286                         case PROJECTILE_CRYLINK: setmodel(self, "models/plasmatrail.mdl");self.traileffect = particleeffectnum("TR_CRYLINKPLASMA"); break;
 287                         case PROJECTILE_CRYLINK_BOUNCING: setmodel(self, "models/plasmatrail.mdl");self.traileffect = particleeffectnum("TR_CRYLINKPLASMA"); break;
 288                         case PROJECTILE_ELECTRO_BEAM: setmodel(self, "models/elaser.mdl");self.traileffect = particleeffectnum("TR_NEXUIZPLASMA"); break;
 289                         case PROJECTILE_GRENADE: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_GRENADE"); break;
 290                         case PROJECTILE_GRENADE_BOUNCING: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_GRENADE"); break;
 291                         case PROJECTILE_LASER: setmodel(self, "models/laser.mdl");self.traileffect = particleeffectnum(""); break;
 292                         case PROJECTILE_HLAC: setmodel(self, "models/hlac_bullet.md3");self.traileffect = particleeffectnum(""); break;
 293                         case PROJECTILE_PORTO_RED: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_WIZSPIKE"); self.scale = 4; break;
 294                         case PROJECTILE_PORTO_BLUE: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_WIZSPIKE"); self.scale = 4; break;
 295                         case PROJECTILE_HOOKBOMB: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_KNIGHTSPIKE"); break;
 296                         case PROJECTILE_HAGAR: setmodel(self, "models/hagarmissile.mdl");self.traileffect = particleeffectnum("TR_GRENADE"); self.scale = 0.4; break;
 297                         case PROJECTILE_HAGAR_BOUNCING: setmodel(self, "models/hagarmissile.mdl");self.traileffect = particleeffectnum("TR_GRENADE"); self.scale = 0.4; break;
 298                         case PROJECTILE_FIREBALL: self.model = ""; self.modelindex = 0; self.traileffect = particleeffectnum("fireball"); break; // particle effect is good enough
 299                         case PROJECTILE_FIREMINE: self.model = ""; self.modelindex = 0; self.traileffect = particleeffectnum("firemine"); break; // particle effect is good enough
 300                         case PROJECTILE_TAG: setmodel(self, "models/laser.mdl"); self.traileffect = particleeffectnum("TR_ROCKET"); break;
 301                         case PROJECTILE_FLAC: setmodel(self, "models/hagarmissile.mdl"); self.scale = 0.4; self.traileffect = particleeffectnum("TR_ROCKET"); break;
 302                         case PROJECTILE_SEEKER: setmodel(self, "models/tagrocket.md3"); self.scale = 2; self.traileffect = particleeffectnum("TR_ROCKET"); break;
 303                         default:
 304                                 error("Received invalid CSQC projectile, can't work with this!");
 305                                 break;
 306                 }
 307
 308                 self.mins = '0 0 0';
 309                 self.maxs = '0 0 0';
 310                 self.colormod = '0 0 0';
 311                 self.move_touch = SUB_Stop;
 312                 self.move_movetype = MOVETYPE_TOSS;
 313                 self.alphamod = 1;
 314
 315                 switch(self.cnt)
 316                 {
 317                         case PROJECTILE_ELECTRO:
 318                                 // only new engines support sound moving with object
 319                                 loopsound(self, CHAN_PROJECTILE, "weapons/electro_fly.wav", VOL_BASE, ATTN_NORM);
 320                                 self.mins = '0 0 -4';
 321                                 self.maxs = '0 0 -4';
 322                                 self.move_movetype = MOVETYPE_BOUNCE;
 323                                 self.move_touch = SUB_Null;
 324                                 break;
 325                         case PROJECTILE_ROCKET:
 326                                 loopsound(self, CHAN_PROJECTILE, "weapons/rocket_fly.wav", VOL_BASE, ATTN_NORM);
 327                                 self.mins = '-3 -3 -3';
 328                                 self.maxs = '3 3 3';
 329                                 break;
 330                         case PROJECTILE_GRENADE:
 331                                 self.mins = '0 0 -3';
 332                                 self.maxs = '0 0 -3';
 333                                 break;
 334                         case PROJECTILE_GRENADE_BOUNCING:
 335                                 self.mins = '0 0 -3';
 336                                 self.maxs = '0 0 -3';
 337                                 self.move_movetype = MOVETYPE_BOUNCE;
 338                                 self.move_touch = SUB_Null;
 339                                 self.move_bounce_factor = g_balance_grenadelauncher_secondary_bouncefactor;
 340                                 self.move_bounce_stopspeed = g_balance_grenadelauncher_secondary_bouncestop;
 341                                 break;
 342                         case PROJECTILE_PORTO_RED:
 343                                 self.colormod = '2 1 1';
 344                                 self.alphamod = 0.5;
 345                                 self.move_movetype = MOVETYPE_BOUNCE;
 346                                 self.move_touch = SUB_Null;
 347                                 break;
 348                         case PROJECTILE_PORTO_BLUE:
 349                                 self.colormod = '1 1 2';
 350                                 self.alphamod = 0.5;
 351                                 self.move_movetype = MOVETYPE_BOUNCE;
 352                                 self.move_touch = SUB_Null;
 353                                 break;
 354                         case PROJECTILE_HAGAR_BOUNCING:
 355                                 self.move_movetype = MOVETYPE_BOUNCE;
 356                                 self.move_touch = SUB_Null;
 357                                 break;
 358                         case PROJECTILE_CRYLINK_BOUNCING:
 359                                 self.move_movetype = MOVETYPE_BOUNCE;
 360                                 self.move_touch = SUB_Null;
 361                                 break;
 362                         case PROJECTILE_FIREBALL:
 363                                 loopsound(self, CHAN_PROJECTILE, "weapons/fireball_fly2.wav", VOL_BASE, ATTN_NORM);
 364                                 self.mins = '-16 -16 -16';
 365                                 self.maxs = '16 16 16';
 366                                 break;
 367                         case PROJECTILE_FIREMINE:
 368                                 loopsound(self, CHAN_PROJECTILE, "weapons/fireball_fly.wav", VOL_BASE, ATTN_NORM);
 369                                 self.move_movetype = MOVETYPE_BOUNCE;
 370                                 self.move_touch = SUB_Null;
 371                                 self.mins = '-4 -4 -4';
 372                                 self.maxs = '4 4 4';
 373                                 break;
 374                         case PROJECTILE_TAG:
 375                                 loopsound(self, CHAN_PROJECTILE, "weapons/tag_rocket_fly.wav", VOL_BASE, ATTN_NORM);
 376                                 self.mins = '-2 -2 -2';
 377                                 self.maxs = '2 2 2';
 378                                 break;
 379                         case PROJECTILE_FLAC:
 380                                 self.mins = '-2 -2 -2';
 381                                 self.maxs = '2 2 2';
 382                                 break;
 383                         case PROJECTILE_SEEKER:
 384                                 self.mins = '-4 -4 -4';
 385                                 self.maxs = '4 4 4';
 386                                 break;
 387                         default:
 388                                 break;
 389                 }
 390         }
 391
 392         if(self.gravity)
 393         {
 394                 if(self.move_movetype == MOVETYPE_FLY)
 395                         self.move_movetype = MOVETYPE_TOSS;
 396                 if(self.move_movetype == MOVETYPE_BOUNCEMISSILE)
 397                         self.move_movetype = MOVETYPE_BOUNCE;
 398         }
 399         else
 400         {
 401                 if(self.move_movetype == MOVETYPE_TOSS)
 402                         self.move_movetype = MOVETYPE_FLY;
 403                 if(self.move_movetype == MOVETYPE_BOUNCE)
 404                         self.move_movetype = MOVETYPE_BOUNCEMISSILE;
 405         }
 406
 407         if(!(self.count & 0x80))
 408                 InterpolateOrigin_Note();
 409
 410         self.draw = Projectile_Draw;
 411         self.entremove = Ent_RemoveProjectile;
 412 }
 413
 414 void Projectile_Precache()
 415 {
 416         precache_model("models/ebomb.mdl");
 417         precache_model("models/elaser.mdl");
 418         precache_model("models/grenademodel.md3");
 419         precache_model("models/hagarmissile.mdl");
 420         precache_model("models/hlac_bullet.md3");
 421         precache_model("models/laser.mdl");
 422         precache_model("models/plasmatrail.mdl");
 423         precache_model("models/rocket.md3");
 424         precache_model("models/tagrocket.md3");
 425         precache_model("models/tracer.mdl");
 426         precache_sound("weapons/electro_fly.wav");
 427         precache_sound("weapons/rocket_fly.wav");
 428         precache_sound("weapons/fireball_fly.wav");
 429         precache_sound("weapons/fireball_fly2.wav");
 430         precache_sound("weapons/tag_rocket_fly.wav");
 431 }