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