qcsrc/client/weapons/projectile.qc

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