qcsrc/client/weapons/projectile.qc

   1 #include "projectile.qh"
   2
   3 #include "../autocvars.qh"
   4 #include "../defs.qh"
   5 #include "../main.qh"
   6 #include <client/mutators/_mod.qh>
   7
   8 #include <common/constants.qh>
   9 #include <common/effects/effect.qh>
  10 #include <common/effects/all.qh>
  11 #include <common/net_linked.qh>
  12 #include <common/physics/movetypes/movetypes.qh>
  13
  14 #include <common/mutators/mutator/nades/nades.qh>
  15
  16 #include <lib/csqcmodel/interpolate.qh>
  17
  18 #include <lib/warpzone/anglestransform.qh>
  19
  20 .float alpha;
  21 .float scale;
  22 .vector colormod;
  23
  24 void SUB_Stop(entity this, entity toucher)
  25 {
  26         this.velocity = this.avelocity = '0 0 0';
  27         set_movetype(this, MOVETYPE_NONE);
  28 }
  29
  30 void Projectile_ResetTrail(entity this, vector to)
  31 {
  32         this.trail_oldorigin = to;
  33         this.trail_oldtime = time;
  34 }
  35
  36 void Projectile_DrawTrail(entity this, vector to)
  37 {
  38         vector from = this.trail_oldorigin;
  39         // float t0 = this.trail_oldtime;
  40         this.trail_oldorigin = to;
  41         this.trail_oldtime = time;
  42
  43         // force the effect even for stationary firemine
  44         if (this.cnt == PROJECTILE_FIREMINE)
  45                 if (from == to)
  46                         from.z += 1;
  47
  48         if (this.traileffect)
  49         {
  50                 particles_alphamin = particles_alphamax = particles_fade = sqrt(this.alpha);
  51                 entity eff = REGISTRY_GET(Effects, this.traileffect);
  52                 boxparticles(particleeffectnum(eff), this, from, to, this.velocity, this.velocity, 1, PARTICLES_USEALPHA | PARTICLES_USEFADE | PARTICLES_DRAWASTRAIL);
  53         }
  54 }
  55
  56 void Projectile_Draw(entity this)
  57 {
  58         vector rot;
  59         vector trailorigin;
  60         int f;
  61         bool drawn;
  62         float t;
  63         float a;
  64
  65         f = this.flags;
  66
  67         if (this.count & 0x80)
  68         {
  69                 // UNSET_ONGROUND(this);
  70                 if (this.move_movetype == MOVETYPE_NONE || this.move_movetype == MOVETYPE_FLY)
  71                         Movetype_Physics_NoMatchServer(this);
  72                 // the trivial movetypes do not have to match the
  73                 // server's ticrate as they are ticrate independent
  74                 // NOTE: this assumption is only true if MOVETYPE_FLY
  75                 // projectiles detonate on impact. If they continue
  76                 // moving, we might still be ticrate dependent.
  77                 else
  78                         Movetype_Physics_MatchServer(this, autocvar_cl_projectiles_sloppy);
  79                 if (!IS_ONGROUND(this))
  80                         if (this.velocity != '0 0 0')
  81                                 this.angles = vectoangles(this.velocity);
  82         }
  83         else
  84         {
  85                 InterpolateOrigin_Do(this);
  86         }
  87
  88         if (this.count & 0x80)
  89         {
  90                 drawn = (time >= this.spawntime - 0.02);
  91                 t = max(time, this.spawntime);
  92         }
  93         else
  94         {
  95                 drawn = (this.iflags & IFLAG_VALID);
  96                 t = time;
  97         }
  98
  99         if (!(f & FL_ONGROUND))
 100         {
 101                 rot = '0 0 0';
 102                 switch (this.cnt)
 103                 {
 104                         /*
 105                         case PROJECTILE_GRENADE:
 106                             rot = '-2000 0 0'; // forward
 107                             break;
 108                         */
 109                         case PROJECTILE_GRENADE_BOUNCING:
 110                                 rot = '0 -1000 0'; // sideways
 111                                 break;
 112                         case PROJECTILE_HOOKBOMB:
 113                                 rot = '1000 0 0';  // forward
 114                                 break;
 115                         case PROJECTILE_ROCKET:
 116                                 rot = '0 0 720'; // spinning
 117                                 break;
 118                         default:
 119                                 break;
 120                 }
 121
 122                 if (Projectile_isnade(this.cnt))
 123                         rot = this.avelocity;
 124
 125                 this.angles = AnglesTransform_ToAngles(AnglesTransform_Multiply(AnglesTransform_FromAngles(this.angles), rot * (t - this.spawntime)));
 126         }
 127
 128         vector ang;
 129         ang = this.angles;
 130         ang.x = -ang.x;
 131         makevectors(ang);
 132
 133         a = 1 - (time - this.fade_time) * this.fade_rate;
 134         this.alpha = bound(0, this.alphamod * a, 1);
 135         if (this.alpha <= 0)
 136                 drawn = 0;
 137         this.renderflags = 0;
 138
 139         trailorigin = this.origin;
 140         switch (this.cnt)
 141         {
 142                 case PROJECTILE_GRENADE:
 143                 case PROJECTILE_GRENADE_BOUNCING:
 144                         trailorigin += v_right * 1 + v_forward * -10;
 145                         break;
 146                 default:
 147                         break;
 148         }
 149
 150         if (Projectile_isnade(this.cnt))
 151                 trailorigin += v_up * 4;
 152
 153         if (drawn)
 154                 Projectile_DrawTrail(this, trailorigin);
 155         else
 156                 Projectile_ResetTrail(this, trailorigin);
 157
 158         this.drawmask = 0;
 159
 160         if (!drawn)
 161                 return;
 162
 163         switch (this.cnt)
 164         {
 165                 // Possibly add dlights here.
 166                 default:
 167                         break;
 168         }
 169
 170         this.drawmask = MASK_NORMAL;
 171 }
 172
 173 void loopsound(entity e, int ch, Sound samp, float vol, float attn)
 174 {
 175         TC(int, ch);
 176         if (e.silent)
 177                 return;
 178
 179         sound(e, ch, samp, vol, attn);
 180         e.snd_looping = ch;
 181 }
 182
 183 void Ent_RemoveProjectile(entity this)
 184 {
 185         if (this.count & 0x80)
 186         {
 187                 tracebox(this.origin, this.mins, this.maxs, this.origin + this.velocity * 0.05, MOVE_NORMAL, this);
 188                 Projectile_DrawTrail(this, trace_endpos);
 189         }
 190 }
 191
 192 NET_HANDLE(ENT_CLIENT_PROJECTILE, bool isnew)
 193 {
 194         // projectile properties:
 195         //   kind (interpolated, or clientside)
 196         //
 197         //   modelindex
 198         //   origin
 199         //   scale
 200         //   if clientside:
 201         //     velocity
 202         //     gravity
 203         //   soundindex (hardcoded list)
 204         //   effects
 205         //
 206         // projectiles don't send angles, because they always follow the velocity
 207
 208         int f = ReadByte();
 209         this.count = (f & 0x80);
 210         this.flags |= FL_PROJECTILE;
 211         this.iflags = (this.iflags & IFLAG_INTERNALMASK) | IFLAG_AUTOANGLES | IFLAG_ANGLES | IFLAG_ORIGIN;
 212         this.solid = SOLID_TRIGGER;
 213         // this.effects = EF_NOMODELFLAGS;
 214
 215         // this should make collisions with bmodels more exact, but it leads to
 216         // projectiles no longer being able to lie on a bmodel
 217         this.move_nomonsters = MOVE_WORLDONLY;
 218         if (f & 0x40)
 219                 SET_ONGROUND(this);
 220         else
 221                 UNSET_ONGROUND(this);
 222
 223         if (!this.move_time)
 224         {
 225                 // for some unknown reason, we don't need to care for
 226                 // sv_gameplayfix_delayprojectiles here.
 227                 this.move_time = time;
 228                 this.spawntime = time;
 229         }
 230         else
 231         {
 232                 this.move_time = max(this.move_time, time);
 233         }
 234
 235         if (!(this.count & 0x80))
 236                 InterpolateOrigin_Undo(this);
 237
 238         if (f & 1)
 239         {
 240                 this.origin = ReadVector();
 241                 setorigin(this, this.origin);
 242                 if (this.count & 0x80)
 243                 {
 244                         this.velocity = ReadVector();
 245                         if (f & 0x10)
 246                                 this.gravity = ReadCoord();
 247                         else
 248                                 this.gravity = 0;  // none
 249                 }
 250
 251                 if (time == this.spawntime || (this.count & 0x80) || (f & 0x08))
 252                 {
 253                         this.trail_oldorigin = this.origin;
 254                         if (!(this.count & 0x80))
 255                                 InterpolateOrigin_Reset(this);
 256                 }
 257
 258                 if (f & 0x20)
 259                 {
 260                         this.fade_time = time + ReadByte() * ticrate;
 261                         this.fade_rate = 1 / (ReadByte() * ticrate);
 262                 }
 263                 else
 264                 {
 265                         this.fade_time = 0;
 266                         this.fade_rate = 0;
 267                 }
 268
 269                 int proj_team = ReadByte();
 270                 this.team = proj_team - 1;
 271
 272                 if(teamplay)
 273                 {
 274                         if(proj_team)
 275                                 this.colormap = (this.team) * 0x11; // note: team - 1 on server (client uses different numbers)
 276                         else
 277                                 this.colormap = 0x00;
 278                         this.colormap |= BIT(10); // RENDER_COLORMAPPED
 279                 }
 280                 else
 281                         this.colormap = proj_team;
 282                 // TODO: projectiles use glowmaps for their color, not teams
 283                 #if 0
 284                 if(this.colormap > 0)
 285                         this.glowmod = colormapPaletteColor(this.colormap & 0x0F, true) * 2;
 286                 else
 287                         this.glowmod = '1 1 1';
 288                 #endif
 289         }
 290
 291         if (f & 2)
 292         {
 293                 this.cnt = ReadByte();
 294
 295                 this.silent = (this.cnt & 0x80);
 296                 this.cnt = (this.cnt & 0x7F);
 297
 298                 this.scale = 1;
 299                 this.traileffect = 0;
 300                 switch (this.cnt)
 301                 {
 302 #define HANDLE(id) case PROJECTILE_##id: setmodel(this, MDL_PROJECTILE_##id);
 303                         HANDLE(ELECTRO)            this.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 304                         HANDLE(ROCKET)             this.traileffect = EFFECT_TR_ROCKET.m_id; this.scale = 2; break;
 305                         HANDLE(CRYLINK)            this.traileffect = EFFECT_TR_CRYLINKPLASMA.m_id; break;
 306                         HANDLE(CRYLINK_BOUNCING)   this.traileffect = EFFECT_TR_CRYLINKPLASMA.m_id; break;
 307                         HANDLE(ELECTRO_BEAM)       this.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 308                         HANDLE(GRENADE)            this.traileffect = EFFECT_TR_GRENADE.m_id; break;
 309                         HANDLE(GRENADE_BOUNCING)   this.traileffect = EFFECT_TR_GRENADE.m_id; break;
 310                         HANDLE(MINE)               this.traileffect = EFFECT_TR_GRENADE.m_id; break;
 311                         HANDLE(BLASTER)            this.traileffect = EFFECT_Null.m_id; break;
 312                         HANDLE(ARC_BOLT)           this.traileffect = EFFECT_Null.m_id; break;
 313                         HANDLE(HLAC)               this.traileffect = EFFECT_Null.m_id; break;
 314                         HANDLE(PORTO_RED)          this.traileffect = EFFECT_TR_WIZSPIKE.m_id; this.scale = 4; break;
 315                         HANDLE(PORTO_BLUE)         this.traileffect = EFFECT_TR_WIZSPIKE.m_id; this.scale = 4; break;
 316                         HANDLE(HOOKBOMB)           this.traileffect = EFFECT_TR_KNIGHTSPIKE.m_id; break;
 317                         HANDLE(HAGAR)              this.traileffect = EFFECT_HAGAR_ROCKET.m_id; this.scale = 0.75; break;
 318                         HANDLE(HAGAR_BOUNCING)     this.traileffect = EFFECT_HAGAR_ROCKET.m_id; this.scale = 0.75; break;
 319                         HANDLE(FIREBALL)           this.modelindex = 0; this.traileffect = EFFECT_FIREBALL.m_id; break; // particle effect is good enough
 320                         HANDLE(FIREMINE)           this.modelindex = 0; this.traileffect = EFFECT_FIREMINE.m_id; break; // particle effect is good enough
 321                         HANDLE(TAG)                this.traileffect = EFFECT_TR_ROCKET.m_id; break;
 322                         HANDLE(FLAC)               this.scale = 0.4; this.traileffect = EFFECT_FLAC_TRAIL.m_id; break;
 323                         HANDLE(SEEKER)             this.traileffect = EFFECT_SEEKER_TRAIL.m_id; break;
 324
 325                         HANDLE(MAGE_SPIKE)         this.traileffect = EFFECT_TR_VORESPIKE.m_id; break;
 326                         HANDLE(SHAMBLER_LIGHTNING) this.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 327
 328                         HANDLE(RAPTORBOMB)         this.gravity = 1; this.avelocity = '0 0 180'; this.traileffect = EFFECT_Null.m_id; break;
 329                         HANDLE(RAPTORBOMBLET)      this.gravity = 1; this.avelocity = '0 0 180'; this.traileffect = EFFECT_Null.m_id; break;
 330                         HANDLE(RAPTORCANNON)       this.traileffect = EFFECT_TR_CRYLINKPLASMA.m_id; break;
 331
 332                         HANDLE(SPIDERROCKET)       this.traileffect = EFFECT_SPIDERBOT_ROCKET_TRAIL.m_id; break;
 333                         HANDLE(WAKIROCKET)         this.traileffect = EFFECT_RACER_ROCKET_TRAIL.m_id; break;
 334                         HANDLE(WAKICANNON)         this.traileffect = EFFECT_Null.m_id; break;
 335
 336                         HANDLE(BUMBLE_GUN)         this.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 337                         HANDLE(BUMBLE_BEAM)        this.traileffect = EFFECT_TR_NEXUIZPLASMA.m_id; break;
 338
 339                         HANDLE(RPC)                this.traileffect = EFFECT_TR_ROCKET.m_id; break;
 340
 341                         HANDLE(ROCKETMINSTA_LASER) this.traileffect = EFFECT_ROCKETMINSTA_LASER(this.team).m_id; break;
 342 #undef HANDLE
 343                         default:
 344                                 if (MUTATOR_CALLHOOK(Ent_Projectile, this))
 345                                         break;
 346
 347                                 error("Received invalid CSQC projectile, can't work with this!");
 348                                 break;
 349                 }
 350
 351                 this.mins = '0 0 0';
 352                 this.maxs = '0 0 0';
 353                 this.colormod = '0 0 0';
 354                 settouch(this, SUB_Stop);
 355                 set_movetype(this, MOVETYPE_TOSS);
 356                 this.alphamod = 1;
 357
 358                 switch (this.cnt)
 359                 {
 360                         case PROJECTILE_ELECTRO:
 361                                 // only new engines support sound moving with object
 362                                 loopsound(this, CH_SHOTS_SINGLE, SND_ELECTRO_FLY, VOL_BASE, ATTEN_NORM);
 363                                 this.mins = '-4 -4 -4';
 364                                 this.maxs = '4 4 4';
 365                                 set_movetype(this, MOVETYPE_BOUNCE);
 366                                 settouch(this, func_null);
 367                                 this.bouncefactor = WEP_CVAR_SEC(electro, bouncefactor);
 368                                 this.bouncestop = WEP_CVAR_SEC(electro, bouncestop);
 369                                 break;
 370                         case PROJECTILE_RPC:
 371                         case PROJECTILE_ROCKET:
 372                                 loopsound(this, CH_SHOTS_SINGLE, SND_ROCKET_FLY, VOL_BASE, ATTEN_NORM);
 373                                 this.mins = '-3 -3 -3';
 374                                 this.maxs = '3 3 3';
 375                                 break;
 376                         case PROJECTILE_GRENADE:
 377                                 this.mins = '-3 -3 -3';
 378                                 this.maxs = '3 3 3';
 379                                 break;
 380                         case PROJECTILE_GRENADE_BOUNCING:
 381                                 this.mins = '-3 -3 -3';
 382                                 this.maxs = '3 3 3';
 383                                 set_movetype(this, MOVETYPE_BOUNCE);
 384                                 settouch(this, func_null);
 385                                 this.bouncefactor = WEP_CVAR(mortar, bouncefactor);
 386                                 this.bouncestop = WEP_CVAR(mortar, bouncestop);
 387                                 break;
 388                         case PROJECTILE_SHAMBLER_LIGHTNING:
 389                                 this.mins = '-8 -8 -8';
 390                                 this.maxs = '8 8 8';
 391                                 this.scale = 2.5;
 392                                 this.avelocity = randomvec() * 720;
 393                                 break;
 394                         case PROJECTILE_MINE:
 395                                 this.mins = '-4 -4 -4';
 396                                 this.maxs = '4 4 4';
 397                                 break;
 398                         case PROJECTILE_PORTO_RED:
 399                                 this.colormod = '2 1 1';
 400                                 this.alphamod = 0.5;
 401                                 set_movetype(this, MOVETYPE_BOUNCE);
 402                                 settouch(this, func_null);
 403                                 break;
 404                         case PROJECTILE_PORTO_BLUE:
 405                                 this.colormod = '1 1 2';
 406                                 this.alphamod = 0.5;
 407                                 set_movetype(this, MOVETYPE_BOUNCE);
 408                                 settouch(this, func_null);
 409                                 break;
 410                         case PROJECTILE_HAGAR_BOUNCING:
 411                                 set_movetype(this, MOVETYPE_BOUNCE);
 412                                 settouch(this, func_null);
 413                                 break;
 414                         case PROJECTILE_CRYLINK_BOUNCING:
 415                                 set_movetype(this, MOVETYPE_BOUNCE);
 416                                 settouch(this, func_null);
 417                                 break;
 418                         case PROJECTILE_FIREBALL:
 419                                 loopsound(this, CH_SHOTS_SINGLE, SND_FIREBALL_FLY2, VOL_BASE, ATTEN_NORM);
 420                                 this.mins = '-16 -16 -16';
 421                                 this.maxs = '16 16 16';
 422                                 break;
 423                         case PROJECTILE_FIREMINE:
 424                                 loopsound(this, CH_SHOTS_SINGLE, SND_FIREBALL_FLY, VOL_BASE, ATTEN_NORM);
 425                                 set_movetype(this, MOVETYPE_BOUNCE);
 426                                 settouch(this, func_null);
 427                                 this.mins = '-4 -4 -4';
 428                                 this.maxs = '4 4 4';
 429                                 break;
 430                         case PROJECTILE_TAG:
 431                                 this.mins = '-2 -2 -2';
 432                                 this.maxs = '2 2 2';
 433                                 break;
 434                         case PROJECTILE_FLAC:
 435                                 this.mins = '-2 -2 -2';
 436                                 this.maxs = '2 2 2';
 437                                 break;
 438                         case PROJECTILE_SEEKER:
 439                                 loopsound(this, CH_SHOTS_SINGLE, SND_TAG_ROCKET_FLY, VOL_BASE, ATTEN_NORM);
 440                                 this.mins = '-4 -4 -4';
 441                                 this.maxs = '4 4 4';
 442                                 break;
 443                         case PROJECTILE_RAPTORBOMB:
 444                                 this.mins = '-3 -3 -3';
 445                                 this.maxs = '3 3 3';
 446                                 break;
 447                         case PROJECTILE_RAPTORBOMBLET:
 448                                 break;
 449                         case PROJECTILE_RAPTORCANNON:
 450                                 break;
 451                         case PROJECTILE_SPIDERROCKET:
 452                                 loopsound(this, CH_SHOTS_SINGLE, SND_TAG_ROCKET_FLY, VOL_BASE, ATTEN_NORM);
 453                                 break;
 454                         case PROJECTILE_WAKIROCKET:
 455                                 loopsound(this, CH_SHOTS_SINGLE, SND_TAG_ROCKET_FLY, VOL_BASE, ATTEN_NORM);
 456                                 break;
 457                         /*
 458                         case PROJECTILE_WAKICANNON:
 459                             break;
 460                         case PROJECTILE_BUMBLE_GUN:
 461                             // only new engines support sound moving with object
 462                             loopsound(this, CH_SHOTS_SINGLE, SND_ELECTRO_FLY, VOL_BASE, ATTEN_NORM);
 463                             this.mins = '0 0 -4';
 464                             this.maxs = '0 0 -4';
 465                             this.move_movetype = MOVETYPE_BOUNCE;
 466                             settouch(this, func_null);
 467                             this.bouncefactor = WEP_CVAR_SEC(electro, bouncefactor);
 468                             this.bouncestop = WEP_CVAR_SEC(electro, bouncestop);
 469                             break;
 470                         */
 471                         default:
 472                                 break;
 473                 }
 474
 475                 MUTATOR_CALLHOOK(EditProjectile, this);
 476
 477                 setsize(this, this.mins, this.maxs);
 478         }
 479
 480         return = true;
 481
 482         if (this.gravity)
 483         {
 484                 if (this.move_movetype == MOVETYPE_FLY)
 485                         set_movetype(this, MOVETYPE_TOSS);
 486                 if (this.move_movetype == MOVETYPE_BOUNCEMISSILE)
 487                         set_movetype(this, MOVETYPE_BOUNCE);
 488         }
 489         else
 490         {
 491                 if (this.move_movetype == MOVETYPE_TOSS)
 492                         set_movetype(this, MOVETYPE_FLY);
 493                 if (this.move_movetype == MOVETYPE_BOUNCE)
 494                         set_movetype(this, MOVETYPE_BOUNCEMISSILE);
 495         }
 496
 497         if (!(this.count & 0x80))
 498                 InterpolateOrigin_Note(this);
 499
 500         this.classname = "csqcprojectile";
 501         this.draw = Projectile_Draw;
 502         if (isnew) IL_PUSH(g_drawables, this);
 503         this.entremove = Ent_RemoveProjectile;
 504 }
 505
 506 PRECACHE(Projectiles)
 507 {
 508         MUTATOR_CALLHOOK(PrecacheProjectiles);
 509 }