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