qcsrc/client/weapons/projectile.qc

   1 #include "projectile.qh"
   2
   3 #include "../autocvars.qh"
   4 #include "../defs.qh"
   5 #include "../main.qh"
   6 #include "../mutators/events.qh"
   7
   8 #include "../../common/constants.qh"
   9 #include "../../common/movetypes/movetypes.qh"
  10 #include "../../common/nades/all.qh"
  11
  12 #include "../../lib/csqcmodel/interpolate.qh"
  13
  14 #include "../../lib/warpzone/anglestransform.qh"
  15
  16 .float alpha;
  17 .float scale;
  18 .vector colormod;
  19
  20 void SUB_Stop()
  21 {
  22         SELFPARAM();
  23         self.move_velocity = self.move_avelocity = '0 0 0';
  24         self.move_movetype = MOVETYPE_NONE;
  25 }
  26
  27 void Projectile_ResetTrail(entity this, vector to)
  28 {
  29         this.trail_oldorigin = to;
  30         this.trail_oldtime = time;
  31 }
  32
  33 void Projectile_DrawTrail(entity this, vector to)
  34 {
  35         vector from = this.trail_oldorigin;
  36         // float t0 = this.trail_oldtime;
  37         this.trail_oldorigin = to;
  38         this.trail_oldtime = time;
  39
  40         // force the effect even for stationary firemine
  41         if (this.cnt == PROJECTILE_FIREMINE)
  42                 if (from == to)
  43                         from.z += 1;
  44
  45         if (this.traileffect)
  46         {
  47                 particles_alphamin = particles_alphamax = particles_fade = sqrt(this.alpha);
  48                 boxparticles(particleeffectnum(Effects_from(this.traileffect)), this, from, to, this.velocity, this.velocity, 1, PARTICLES_USEALPHA | PARTICLES_USEFADE | PARTICLES_DRAWASTRAIL);
  49         }
  50 }
  51
  52 void Projectile_Draw(entity this)
  53 {
  54         vector rot;
  55         vector trailorigin;
  56         int f;
  57         bool drawn;
  58         float t;
  59         float a;
  60
  61         f = self.move_flags;
  62
  63         if (self.count & 0x80)
  64         {
  65                 // self.move_flags &= ~FL_ONGROUND;
  66                 if (self.move_movetype == MOVETYPE_NONE || self.move_movetype == MOVETYPE_FLY)
  67                         Movetype_Physics_NoMatchServer();
  68                 // the trivial movetypes do not have to match the
  69                 // server's ticrate as they are ticrate independent
  70                 // NOTE: this assumption is only true if MOVETYPE_FLY
  71                 // projectiles detonate on impact. If they continue
  72                 // moving, we might still be ticrate dependent.
  73                 else
  74                         Movetype_Physics_MatchServer(autocvar_cl_projectiles_sloppy);
  75                 if (!(self.move_flags & FL_ONGROUND))
  76                         if (self.velocity != '0 0 0')
  77                                 self.move_angles = self.angles = vectoangles(self.velocity);
  78         }
  79         else
  80         {
  81                 InterpolateOrigin_Do();
  82         }
  83
  84         if (self.count & 0x80)
  85         {
  86                 drawn = (time >= self.spawntime - 0.02);
  87                 t = max(time, self.spawntime);
  88         }
  89         else
  90         {
  91                 drawn = (self.iflags & IFLAG_VALID);
  92                 t = time;
  93         }
  94
  95         if (!(f & FL_ONGROUND))
  96         {
  97                 rot = '0 0 0';
  98                 switch (self.cnt)
  99                 {
 100                         /*
 101                         case PROJECTILE_GRENADE:
 102                             rot = '-2000 0 0'; // forward
 103                             break;
 104                         */
 105                         case PROJECTILE_GRENADE_BOUNCING:
 106                                 rot = '0 -1000 0'; // sideways
 107                                 break;
 108                         case PROJECTILE_HOOKBOMB:
 109                                 rot = '1000 0 0';  // forward
 110                                 break;
 111                         default:
 112                                 break;
 113                 }
 114
 115                 if (Nade_FromProjectile(self.cnt) != NADE_TYPE_Null)
 116                         rot = self.avelocity;
 117
 118                 self.angles = AnglesTransform_ToAngles(AnglesTransform_Multiply(AnglesTransform_FromAngles(self.angles), rot * (t - self.spawntime)));
 119         }
 120
 121         vector ang;
 122         ang = self.angles;
 123         ang.x = -ang.x;
 124         makevectors(ang);
 125
 126         a = 1 - (time - self.fade_time) * self.fade_rate;
 127         self.alpha = bound(0, self.alphamod * a, 1);
 128         if (self.alpha <= 0)
 129                 drawn = 0;
 130         self.renderflags = 0;
 131
 132         trailorigin = self.origin;
 133         switch (self.cnt)
 134         {
 135                 case PROJECTILE_GRENADE:
 136                 case PROJECTILE_GRENADE_BOUNCING:
 137                         trailorigin += v_right * 1 + v_forward * -10;
 138                         break;
 139                 default:
 140                         break;
 141         }
 142
 143         if (Nade_FromProjectile(self.cnt) != NADE_TYPE_Null)
 144                 trailorigin += v_up * 4;
 145
 146         if (drawn)
 147                 Projectile_DrawTrail(self, trailorigin);
 148         else
 149                 Projectile_ResetTrail(self, trailorigin);
 150
 151         self.drawmask = 0;
 152
 153         if (!drawn)
 154                 return;
 155
 156         switch (self.cnt)
 157         {
 158                 // Possibly add dlights here.
 159                 default:
 160                         break;
 161         }
 162
 163         self.drawmask = MASK_NORMAL;
 164 }
 165
 166 void loopsound(entity e, int ch, string samp, float vol, float attn)
 167 {
 168         SELFPARAM();
 169         if (self.silent)
 170                 return;
 171
 172         _sound(e, ch, samp, vol, attn);
 173         e.snd_looping = ch;
 174 }
 175
 176 void Ent_RemoveProjectile()
 177 {
 178         SELFPARAM();
 179         if (self.count & 0x80)
 180         {
 181                 tracebox(self.origin, self.mins, self.maxs, self.origin + self.velocity * 0.05, MOVE_NORMAL, self);
 182                 Projectile_DrawTrail(self, trace_endpos);
 183         }
 184 }
 185
 186 void Ent_Projectile()
 187 {
 188         SELFPARAM();
 189         int f;
 190
 191         // projectile properties:
 192         //   kind (interpolated, or clientside)
 193         //
 194         //   modelindex
 195         //   origin
 196         //   scale
 197         //   if clientside:
 198         //     velocity
 199         //     gravity
 200         //   soundindex (hardcoded list)
 201         //   effects
 202         //
 203         // projectiles don't send angles, because they always follow the velocity
 204
 205         f = ReadByte();
 206         self.count = (f & 0x80);
 207         self.iflags = (self.iflags & IFLAG_INTERNALMASK) | IFLAG_AUTOANGLES | IFLAG_ANGLES | IFLAG_ORIGIN;
 208         self.solid = SOLID_TRIGGER;
 209         // self.effects = EF_NOMODELFLAGS;
 210
 211         // this should make collisions with bmodels more exact, but it leads to
 212         // projectiles no longer being able to lie on a bmodel
 213         self.move_nomonsters = MOVE_WORLDONLY;
 214         if (f & 0x40)
 215                 self.move_flags |= FL_ONGROUND;
 216         else
 217                 self.move_flags &= ~FL_ONGROUND;
 218
 219         if (!self.move_time)
 220         {
 221                 // for some unknown reason, we don't need to care for
 222                 // sv_gameplayfix_delayprojectiles here.
 223                 self.move_time = time;
 224                 self.spawntime = time;
 225         }
 226         else
 227         {
 228                 self.move_time = max(self.move_time, time);
 229         }
 230
 231         if (!(self.count & 0x80))
 232                 InterpolateOrigin_Undo();
 233
 234         if (f & 1)
 235         {
 236                 self.origin_x = ReadCoord();
 237                 self.origin_y = ReadCoord();
 238                 self.origin_z = ReadCoord();
 239                 setorigin(self, self.origin);
 240                 if (self.count & 0x80)
 241                 {
 242                         self.velocity_x = ReadCoord();
 243                         self.velocity_y = ReadCoord();
 244                         self.velocity_z = ReadCoord();
 245                         if (f & 0x10)
 246                                 self.gravity = ReadCoord();
 247                         else
 248                                 self.gravity = 0;  // none
 249                         self.move_origin = self.origin;
 250                         self.move_velocity = self.velocity;
 251                 }
 252
 253                 if (time == self.spawntime || (self.count & 0x80) || (f & 0x08))
 254                 {
 255                         self.trail_oldorigin = self.origin;
 256                         if (!(self.count & 0x80))
 257                                 InterpolateOrigin_Reset();
 258                 }
 259
 260                 if (f & 0x20)
 261                 {
 262                         self.fade_time = time + ReadByte() * ticrate;
 263                         self.fade_rate = 1 / (ReadByte() * ticrate);
 264                 }
 265                 else
 266                 {
 267                         self.fade_time = 0;
 268                         self.fade_rate = 0;
 269                 }
 270
 271                 self.team = ReadByte() - 1;
 272         }
 273
 274         if (f & 2)
 275         {
 276                 self.cnt = ReadByte();
 277
 278                 self.silent = (self.cnt & 0x80);
 279                 self.cnt = (self.cnt & 0x7F);
 280
 281                 self.scale = 1;
 282                 self.traileffect = 0;
 283                 switch (self.cnt)
 284                 {
 285                         #define HANDLE(id) case PROJECTILE_##id: setmodel(self, MDL_PROJECTILE_##id);
 286                         HANDLE(ELECTRO)            self.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 287                         HANDLE(ROCKET)             self.traileffect = EFFECT_TR_ROCKET.m_id; self.scale = 2; break;
 288                         HANDLE(CRYLINK)            self.traileffect = EFFECT_TR_CRYLINKPLASMA.m_id; break;
 289                         HANDLE(CRYLINK_BOUNCING)   self.traileffect = EFFECT_TR_CRYLINKPLASMA.m_id; break;
 290                         HANDLE(ELECTRO_BEAM)       self.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 291                         HANDLE(GRENADE)            self.traileffect = EFFECT_TR_GRENADE.m_id; break;
 292                         HANDLE(GRENADE_BOUNCING)   self.traileffect = EFFECT_TR_GRENADE.m_id; break;
 293                         HANDLE(MINE)               self.traileffect = EFFECT_TR_GRENADE.m_id; break;
 294                         HANDLE(BLASTER)            self.traileffect = EFFECT_Null.m_id; break;
 295                         HANDLE(HLAC)               self.traileffect = EFFECT_Null.m_id; break;
 296                         HANDLE(PORTO_RED)          self.traileffect = EFFECT_TR_WIZSPIKE.m_id; self.scale = 4; break;
 297                         HANDLE(PORTO_BLUE)         self.traileffect = EFFECT_TR_WIZSPIKE.m_id; self.scale = 4; break;
 298                         HANDLE(HOOKBOMB)           self.traileffect = EFFECT_TR_KNIGHTSPIKE.m_id; break;
 299                         HANDLE(HAGAR)              self.traileffect = EFFECT_HAGAR_ROCKET.m_id; self.scale = 0.75; break;
 300                         HANDLE(HAGAR_BOUNCING)     self.traileffect = EFFECT_HAGAR_ROCKET.m_id; self.scale = 0.75; break;
 301                         HANDLE(NAPALM_FOUNTAIN)                                                                         // fallthrough // sself.modelindex = 0; self.traileffect = _particleeffectnum("torch_small"); break;
 302                         HANDLE(FIREBALL)           self.modelindex = 0; self.traileffect = EFFECT_FIREBALL.m_id; break; // particle effect is good enough
 303                         HANDLE(FIREMINE)           self.modelindex = 0; self.traileffect = EFFECT_FIREMINE.m_id; break; // particle effect is good enough
 304                         HANDLE(TAG)                self.traileffect = EFFECT_TR_ROCKET.m_id; break;
 305                         HANDLE(FLAC)               self.scale = 0.4; self.traileffect = EFFECT_FLAC_TRAIL.m_id; break;
 306                         HANDLE(SEEKER)             self.traileffect = EFFECT_SEEKER_TRAIL.m_id; break;
 307
 308                         HANDLE(MAGE_SPIKE)         self.traileffect = EFFECT_TR_VORESPIKE.m_id; break;
 309                         HANDLE(SHAMBLER_LIGHTNING) self.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 310
 311                         HANDLE(RAPTORBOMB)         self.gravity = 1; self.avelocity = '0 0 180'; self.traileffect = EFFECT_Null.m_id; break;
 312                         HANDLE(RAPTORBOMBLET)      self.gravity = 1; self.avelocity = '0 0 180'; self.traileffect = EFFECT_Null.m_id; break;
 313                         HANDLE(RAPTORCANNON)       self.traileffect = EFFECT_TR_CRYLINKPLASMA.m_id; break;
 314
 315                         HANDLE(SPIDERROCKET)       self.traileffect = EFFECT_SPIDERBOT_ROCKET_TRAIL.m_id; break;
 316                         HANDLE(WAKIROCKET)         self.traileffect = EFFECT_RACER_ROCKET_TRAIL.m_id; break;
 317                         HANDLE(WAKICANNON)         self.traileffect = EFFECT_Null.m_id; break;
 318
 319                         HANDLE(BUMBLE_GUN)         self.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 320                         HANDLE(BUMBLE_BEAM)        self.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 321
 322                         HANDLE(RPC)                self.traileffect = EFFECT_TR_ROCKET.m_id; break;
 323
 324                         HANDLE(ROCKETMINSTA_LASER) self.traileffect = EFFECT_ROCKETMINSTA_LASER(self.team).m_id; break;
 325 #undef HANDLE
 326                         default:
 327                                 if (MUTATOR_CALLHOOK(Ent_Projectile, self))
 328                                         break;
 329
 330                                 if (Nade_FromProjectile(self.cnt) != NADE_TYPE_Null)
 331                                 {
 332                                         setmodel(self, MDL_PROJECTILE_NADE);
 333                                         entity trail = Nade_TrailEffect(self.cnt, self.team);
 334                                         if (trail.eent_eff_name) self.traileffect = trail.m_id;
 335                                         break;
 336                                 }
 337                                 error("Received invalid CSQC projectile, can't work with this!");
 338                                 break;
 339                 }
 340
 341                 self.mins = '0 0 0';
 342                 self.maxs = '0 0 0';
 343                 self.colormod = '0 0 0';
 344                 self.move_touch = SUB_Stop;
 345                 self.move_movetype = MOVETYPE_TOSS;
 346                 self.alphamod = 1;
 347
 348                 switch (self.cnt)
 349                 {
 350                         case PROJECTILE_ELECTRO:
 351                                 // only new engines support sound moving with object
 352                                 loopsound(self, CH_SHOTS_SINGLE, SND(ELECTRO_FLY), VOL_BASE, ATTEN_NORM);
 353                                 self.mins = '0 0 -4';
 354                                 self.maxs = '0 0 -4';
 355                                 self.move_movetype = MOVETYPE_BOUNCE;
 356                                 self.move_touch = func_null;
 357                                 self.move_bounce_factor = g_balance_electro_secondary_bouncefactor;
 358                                 self.move_bounce_stopspeed = g_balance_electro_secondary_bouncestop;
 359                                 break;
 360                         case PROJECTILE_RPC:
 361                         case PROJECTILE_ROCKET:
 362                                 loopsound(self, CH_SHOTS_SINGLE, SND(ROCKET_FLY), VOL_BASE, ATTEN_NORM);
 363                                 self.mins = '-3 -3 -3';
 364                                 self.maxs = '3 3 3';
 365                                 break;
 366                         case PROJECTILE_GRENADE:
 367                                 self.mins = '-3 -3 -3';
 368                                 self.maxs = '3 3 3';
 369                                 break;
 370                         case PROJECTILE_GRENADE_BOUNCING:
 371                                 self.mins = '-3 -3 -3';
 372                                 self.maxs = '3 3 3';
 373                                 self.move_movetype = MOVETYPE_BOUNCE;
 374                                 self.move_touch = func_null;
 375                                 self.move_bounce_factor = g_balance_mortar_bouncefactor;
 376                                 self.move_bounce_stopspeed = g_balance_mortar_bouncestop;
 377                                 break;
 378                         case PROJECTILE_SHAMBLER_LIGHTNING:
 379                                 self.mins = '-8 -8 -8';
 380                                 self.maxs = '8 8 8';
 381                                 self.scale = 2.5;
 382                                 self.avelocity = randomvec() * 720;
 383                                 break;
 384                         case PROJECTILE_MINE:
 385                                 self.mins = '-4 -4 -4';
 386                                 self.maxs = '4 4 4';
 387                                 break;
 388                         case PROJECTILE_PORTO_RED:
 389                                 self.colormod = '2 1 1';
 390                                 self.alphamod = 0.5;
 391                                 self.move_movetype = MOVETYPE_BOUNCE;
 392                                 self.move_touch = func_null;
 393                                 break;
 394                         case PROJECTILE_PORTO_BLUE:
 395                                 self.colormod = '1 1 2';
 396                                 self.alphamod = 0.5;
 397                                 self.move_movetype = MOVETYPE_BOUNCE;
 398                                 self.move_touch = func_null;
 399                                 break;
 400                         case PROJECTILE_HAGAR_BOUNCING:
 401                                 self.move_movetype = MOVETYPE_BOUNCE;
 402                                 self.move_touch = func_null;
 403                                 break;
 404                         case PROJECTILE_CRYLINK_BOUNCING:
 405                                 self.move_movetype = MOVETYPE_BOUNCE;
 406                                 self.move_touch = func_null;
 407                                 break;
 408                         case PROJECTILE_NAPALM_FOUNTAIN:
 409                         case PROJECTILE_FIREBALL:
 410                                 loopsound(self, CH_SHOTS_SINGLE, SND(FIREBALL_FLY2), VOL_BASE, ATTEN_NORM);
 411                                 self.mins = '-16 -16 -16';
 412                                 self.maxs = '16 16 16';
 413                                 break;
 414                         case PROJECTILE_FIREMINE:
 415                                 loopsound(self, CH_SHOTS_SINGLE, SND(FIREBALL_FLY), VOL_BASE, ATTEN_NORM);
 416                                 self.move_movetype = MOVETYPE_BOUNCE;
 417                                 self.move_touch = func_null;
 418                                 self.mins = '-4 -4 -4';
 419                                 self.maxs = '4 4 4';
 420                                 break;
 421                         case PROJECTILE_TAG:
 422                                 self.mins = '-2 -2 -2';
 423                                 self.maxs = '2 2 2';
 424                                 break;
 425                         case PROJECTILE_FLAC:
 426                                 self.mins = '-2 -2 -2';
 427                                 self.maxs = '2 2 2';
 428                                 break;
 429                         case PROJECTILE_SEEKER:
 430                                 loopsound(self, CH_SHOTS_SINGLE, SND(TAG_ROCKET_FLY), VOL_BASE, ATTEN_NORM);
 431                                 self.mins = '-4 -4 -4';
 432                                 self.maxs = '4 4 4';
 433                                 break;
 434                         case PROJECTILE_RAPTORBOMB:
 435                                 self.mins = '-3 -3 -3';
 436                                 self.maxs = '3 3 3';
 437                                 break;
 438                         case PROJECTILE_RAPTORBOMBLET:
 439                                 break;
 440                         case PROJECTILE_RAPTORCANNON:
 441                                 break;
 442                         case PROJECTILE_SPIDERROCKET:
 443                                 loopsound(self, CH_SHOTS_SINGLE, SND(TAG_ROCKET_FLY), VOL_BASE, ATTEN_NORM);
 444                                 break;
 445                         case PROJECTILE_WAKIROCKET:
 446                                 loopsound(self, CH_SHOTS_SINGLE, SND(TAG_ROCKET_FLY), VOL_BASE, ATTEN_NORM);
 447                                 break;
 448                         /*
 449                         case PROJECTILE_WAKICANNON:
 450                             break;
 451                         case PROJECTILE_BUMBLE_GUN:
 452                             // only new engines support sound moving with object
 453                             loopsound(self, CH_SHOTS_SINGLE, SND(ELECTRO_FLY), VOL_BASE, ATTEN_NORM);
 454                             self.mins = '0 0 -4';
 455                             self.maxs = '0 0 -4';
 456                             self.move_movetype = MOVETYPE_BOUNCE;
 457                             self.move_touch = func_null;
 458                             self.move_bounce_factor = g_balance_electro_secondary_bouncefactor;
 459                             self.move_bounce_stopspeed = g_balance_electro_secondary_bouncestop;
 460                             break;
 461                         */
 462                         default:
 463                                 break;
 464                 }
 465
 466                 if (Nade_FromProjectile(self.cnt) != NADE_TYPE_Null)
 467                 {
 468                         entity nade_type = Nade_FromProjectile(self.cnt);
 469                         self.mins = '-16 -16 -16';
 470                         self.maxs = '16 16 16';
 471                         self.colormod = nade_type.m_color;
 472                         self.move_movetype = MOVETYPE_BOUNCE;
 473                         self.move_touch = func_null;
 474                         self.scale = 1.5;
 475                         self.avelocity = randomvec() * 720;
 476
 477                         if (nade_type == NADE_TYPE_TRANSLOCATE || nade_type == NADE_TYPE_SPAWN)
 478                                 self.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 479                         else
 480                                 self.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY;
 481                 }
 482
 483                 MUTATOR_CALLHOOK(EditProjectile, self);
 484
 485                 setsize(self, self.mins, self.maxs);
 486         }
 487
 488         if (self.gravity)
 489         {
 490                 if (self.move_movetype == MOVETYPE_FLY)
 491                         self.move_movetype = MOVETYPE_TOSS;
 492                 if (self.move_movetype == MOVETYPE_BOUNCEMISSILE)
 493                         self.move_movetype = MOVETYPE_BOUNCE;
 494         }
 495         else
 496         {
 497                 if (self.move_movetype == MOVETYPE_TOSS)
 498                         self.move_movetype = MOVETYPE_FLY;
 499                 if (self.move_movetype == MOVETYPE_BOUNCE)
 500                         self.move_movetype = MOVETYPE_BOUNCEMISSILE;
 501         }
 502
 503         if (!(self.count & 0x80))
 504                 InterpolateOrigin_Note();
 505
 506         self.classname = "csqcprojectile";
 507         self.draw = Projectile_Draw;
 508         self.entremove = Ent_RemoveProjectile;
 509 }
 510
 511 void Projectile_Precache()
 512 {
 513         MUTATOR_CALLHOOK(PrecacheProjectiles);
 514 }