data/qcsrc/client/projectile.qc

   1 .float spawntime;
   2 .vector trail_oldorigin;
   3 .float trail_oldtime;
   4 .float fade_time, fade_rate;
   5
   6 void SUB_Null()
   7 {
   8 }
   9
  10 void SUB_Stop()
  11 {
  12         self.move_velocity = self.move_avelocity = '0 0 0';
  13         self.move_movetype = MOVETYPE_NONE;
  14 }
  15
  16 .float alphamod;
  17 .float count; // set if clientside projectile
  18 .float cnt; // sound index
  19 .float gravity;
  20 .float snd_looping;
  21 .float silent;
  22 .float traileffect;
  23
  24 void Projectile_DrawTrail(vector to)
  25 {
  26         vector from;
  27         float t0;
  28         from = self.trail_oldorigin;
  29         t0 = self.trail_oldtime;
  30         self.trail_oldorigin = to;
  31         self.trail_oldtime = time;
  32
  33         if (self.traileffect)
  34                 trailparticles(self, self.traileffect, from, to);
  35 }
  36
  37 void Projectile_Draw()
  38 {
  39         vector rot;
  40         vector trailorigin;
  41         float f;
  42         float drawn;
  43         float t;
  44         float a;
  45
  46         f = self.move_flags;
  47
  48         if(self.count & 0x80)
  49         {
  50                 //self.move_flags &~= FL_ONGROUND;
  51                 Movetype_Physics_MatchServer(autocvar_cl_projectiles_sloppy);
  52                 if(!(self.move_flags & FL_ONGROUND))
  53                         self.angles = vectoangles(self.velocity);
  54         }
  55         else
  56         {
  57                 InterpolateOrigin_Do();
  58         }
  59
  60         if(self.count & 0x80)
  61         {
  62                 drawn = (time >= self.spawntime - 0.02);
  63                 t = max(time, self.spawntime);
  64         }
  65         else
  66         {
  67                 drawn = (self.iflags & IFLAG_VALID);
  68                 t = time;
  69         }
  70
  71         if(!(f & FL_ONGROUND))
  72         {
  73                 rot = '0 0 0';
  74                 switch(self.cnt)
  75                 {
  76                         /*
  77                         case PROJECTILE_GRENADE:
  78                                 rot = '-2000 0 0'; // forward
  79                                 break;
  80                         */
  81                         case PROJECTILE_GRENADE_BOUNCING:
  82                                 rot = '0 -1000 0'; // sideways
  83                                 break;
  84                         case PROJECTILE_HOOKBOMB:
  85                                 rot = '1000 0 0'; // forward
  86                                 break;
  87                         default:
  88                                 break;
  89                 }
  90                 self.angles = AnglesTransform_ApplyToAngles(self.angles, rot * (t - self.spawntime));
  91         }
  92
  93         fixedmakevectors(self.angles);
  94
  95         a = 1 - (time - self.fade_time) * self.fade_rate;
  96         if(a <= 0)
  97                 drawn = 0;
  98
  99         trailorigin = self.origin;
 100         switch(self.cnt)
 101         {
 102                 case PROJECTILE_GRENADE:
 103                 case PROJECTILE_GRENADE_BOUNCING:
 104                         trailorigin += v_right * 1 + v_forward * -10;
 105                         break;
 106                 default:
 107                         break;
 108         }
 109         if(drawn)
 110                 Projectile_DrawTrail(trailorigin);
 111         else
 112         {
 113                 self.trail_oldorigin = trailorigin;
 114                 self.trail_oldtime = time;
 115         }
 116
 117         if(!drawn)
 118                 return;
 119
 120         switch(self.cnt)
 121         {
 122                 case PROJECTILE_BULLET_GLOWING:
 123                 case PROJECTILE_BULLET_GLOWING_TRACER:
 124                         R_AddDynamicLight(self.origin, 50 * a, '1 1 0');
 125                         break;
 126                 default:
 127                         break;
 128         }
 129
 130         self.alpha = self.alphamod * a;
 131         self.renderflags = 0;
 132
 133         R_AddEntity(self);
 134 }
 135
 136 void loopsound(entity e, float ch, string samp, float vol, float attn)
 137 {
 138         if(self.silent)
 139                 return;
 140
 141         sound(e, ch, samp, vol, attn);
 142         e.snd_looping = 1;
 143 }
 144
 145 void Ent_RemoveProjectile()
 146 {
 147         if(self.snd_looping)
 148                 sound(self, CHAN_PROJECTILE, "misc/null.wav", VOL_BASE, ATTN_NORM);
 149
 150         if(self.count & 0x80)
 151         {
 152                 tracebox(self.origin, self.mins, self.maxs, self.origin + self.velocity * 0.05, MOVE_NORMAL, self);
 153                 Projectile_DrawTrail(trace_endpos);
 154         }
 155 }
 156
 157 void Ent_Projectile()
 158 {
 159         float f;
 160
 161         // projectile properties:
 162         //   kind (interpolated, or clientside)
 163         //
 164         //   modelindex
 165         //   origin
 166         //   scale
 167         //   if clientside:
 168         //     velocity
 169         //     gravity
 170         //   soundindex (hardcoded list)
 171         //   effects
 172         //
 173         // projectiles don't send angles, because they always follow the velocity
 174
 175         f = ReadByte();
 176         self.count = (f & 0x80);
 177         self.iflags = (self.iflags & IFLAG_INTERNALMASK) | IFLAG_AUTOANGLES | IFLAG_ANGLES;
 178         self.solid = SOLID_TRIGGER;
 179         //self.effects = EF_NOMODELFLAGS;
 180
 181         // this should make collisions with bmodels more exact, but it leads to
 182         // projectiles no longer being able to lie on a bmodel
 183         self.move_nomonsters = MOVE_WORLDONLY;
 184         if(f & 0x40)
 185                 self.move_flags |= FL_ONGROUND;
 186         else
 187                 self.move_flags &~= FL_ONGROUND;
 188
 189         if(!self.move_time)
 190         {
 191                 // for some unknown reason, we don't need to care for
 192                 // sv_gameplayfix_delayprojectiles here.
 193                 self.move_time = time;
 194                 self.spawntime = time;
 195         }
 196         else
 197                 self.move_time = max(self.move_time, time);
 198
 199         if(!(self.count & 0x80))
 200                 InterpolateOrigin_Undo();
 201
 202         if(f & 1)
 203         {
 204                 self.origin_x = ReadCoord();
 205                 self.origin_y = ReadCoord();
 206                 self.origin_z = ReadCoord();
 207                 if(self.count & 0x80)
 208                 {
 209                         self.velocity_x = ReadCoord();
 210                         self.velocity_y = ReadCoord();
 211                         self.velocity_z = ReadCoord();
 212                         self.gravity = ReadCoord();
 213
 214                         self.move_origin = self.origin;
 215                         self.move_velocity = self.velocity;
 216                 }
 217
 218                 if(time == self.spawntime || (self.count & 0x80) || (f & 0x20))
 219                         self.trail_oldorigin = self.origin;
 220
 221                 if(f & 0x20)
 222                 {
 223                         self.fade_time = time + ReadByte() * ticrate;
 224                         self.fade_rate = 1 / (ReadByte() * ticrate);
 225                 }
 226                 else
 227                 {
 228                         self.fade_time = 0;
 229                         self.fade_rate = 0;
 230                 }
 231         }
 232
 233         if(f & 2)
 234         {
 235                 self.cnt = ReadByte();
 236
 237                 self.silent = (self.cnt & 0x80);
 238                 self.cnt = (self.cnt & 0x7F);
 239
 240                 self.scale = 1;
 241                 self.traileffect = 0;
 242                 switch(self.cnt)
 243                 {
 244                         case PROJECTILE_ELECTRO: setmodel(self, "models/ebomb.mdl");self.traileffect = particleeffectnum("TR_NEXUIZPLASMA"); break;
 245                         case PROJECTILE_ROCKET: setmodel(self, "models/rocket.md3");self.traileffect = particleeffectnum("TR_ROCKET"); self.scale = 2; break;
 246                         case PROJECTILE_BULLET: setmodel(self, "models/tracer.mdl");self.traileffect = particleeffectnum("tr_bullet"); break;
 247                         case PROJECTILE_BULLET_GLOWING: setmodel(self, "models/tracer.mdl");self.traileffect = particleeffectnum("tr_bullet"); break;
 248                         case PROJECTILE_BULLET_GLOWING_TRACER: setmodel(self, "models/tracer.mdl");self.traileffect = particleeffectnum("tr_rifle"); break;
 249                         case PROJECTILE_CRYLINK: setmodel(self, "models/plasmatrail.mdl");self.traileffect = particleeffectnum("TR_CRYLINKPLASMA"); break;
 250                         case PROJECTILE_CRYLINK_BOUNCING: setmodel(self, "models/plasmatrail.mdl");self.traileffect = particleeffectnum("TR_CRYLINKPLASMA"); break;
 251                         case PROJECTILE_ELECTRO_BEAM: setmodel(self, "models/elaser.mdl");self.traileffect = particleeffectnum("TR_NEXUIZPLASMA"); break;
 252                         case PROJECTILE_GRENADE: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_GRENADE"); break;
 253                         case PROJECTILE_GRENADE_BOUNCING: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_GRENADE"); break;
 254                         case PROJECTILE_LASER: setmodel(self, "models/laser.mdl");self.traileffect = particleeffectnum(""); break;
 255                         case PROJECTILE_HLAC: setmodel(self, "models/hlac_bullet.md3");self.traileffect = particleeffectnum(""); break;
 256                         case PROJECTILE_PORTO_RED: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_WIZSPIKE"); self.scale = 4; break;
 257                         case PROJECTILE_PORTO_BLUE: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_WIZSPIKE"); self.scale = 4; break;
 258                         case PROJECTILE_HOOKBOMB: setmodel(self, "models/grenademodel.md3");self.traileffect = particleeffectnum("TR_KNIGHTSPIKE"); break;
 259                         case PROJECTILE_HAGAR: setmodel(self, "models/hagarmissile.mdl");self.traileffect = particleeffectnum("TR_GRENADE"); self.scale = 0.4; break;
 260                         case PROJECTILE_HAGAR_BOUNCING: setmodel(self, "models/hagarmissile.mdl");self.traileffect = particleeffectnum("TR_GRENADE"); self.scale = 0.4; break;
 261                         case PROJECTILE_FIREBALL: self.model = ""; self.modelindex = 0; self.traileffect = particleeffectnum("fireball"); break; // particle effect is good enough
 262                         case PROJECTILE_FIREMINE: self.model = ""; self.modelindex = 0; self.traileffect = particleeffectnum("firemine"); break; // particle effect is good enough
 263                         default:
 264                                 error("Received invalid CSQC projectile, can't work with this!");
 265                                 break;
 266                 }
 267
 268                 self.mins = '0 0 0';
 269                 self.maxs = '0 0 0';
 270                 self.colormod = '0 0 0';
 271                 self.move_touch = SUB_Stop;
 272                 self.move_movetype = MOVETYPE_TOSS;
 273                 self.alphamod = 1;
 274
 275                 switch(self.cnt)
 276                 {
 277                         case PROJECTILE_ELECTRO:
 278                                 // only new engines support sound moving with object
 279                                 loopsound(self, CHAN_PROJECTILE, "weapons/electro_fly.wav", VOL_BASE, ATTN_NORM);
 280                                 self.mins = '0 0 -3';
 281                                 self.maxs = '0 0 -3';
 282                                 self.move_movetype = MOVETYPE_BOUNCE;
 283                                 self.move_touch = SUB_Null;
 284                                 break;
 285                         case PROJECTILE_ROCKET:
 286                                 loopsound(self, CHAN_PROJECTILE, "weapons/rocket_fly.wav", VOL_BASE, ATTN_NORM);
 287                                 self.mins = '-3 -3 -3';
 288                                 self.maxs = '3 3 3';
 289                                 break;
 290                         case PROJECTILE_GRENADE:
 291                                 self.mins = '0 0 -3';
 292                                 self.maxs = '0 0 -3';
 293                                 break;
 294                         case PROJECTILE_GRENADE_BOUNCING:
 295                                 self.mins = '0 0 -3';
 296                                 self.maxs = '0 0 -3';
 297                                 self.move_movetype = MOVETYPE_BOUNCE;
 298                                 self.move_touch = SUB_Null;
 299                                 break;
 300                         case PROJECTILE_PORTO_RED:
 301                                 self.colormod = '2 1 1';
 302                                 self.alphamod = 0.5;
 303                                 self.move_movetype = MOVETYPE_BOUNCE;
 304                                 self.move_touch = SUB_Null;
 305                                 break;
 306                         case PROJECTILE_PORTO_BLUE:
 307                                 self.colormod = '1 1 2';
 308                                 self.alphamod = 0.5;
 309                                 self.move_movetype = MOVETYPE_BOUNCE;
 310                                 self.move_touch = SUB_Null;
 311                                 break;
 312                         case PROJECTILE_HAGAR_BOUNCING:
 313                                 self.move_movetype = MOVETYPE_BOUNCE;
 314                                 self.move_touch = SUB_Null;
 315                                 break;
 316                         case PROJECTILE_CRYLINK_BOUNCING:
 317                                 self.move_movetype = MOVETYPE_BOUNCE;
 318                                 self.move_touch = SUB_Null;
 319                                 break;
 320                         case PROJECTILE_FIREBALL:
 321                                 loopsound(self, CHAN_PROJECTILE, "weapons/fireball_fly2.wav", VOL_BASE, ATTN_NORM);
 322                                 self.mins = '-16 -16 -16';
 323                                 self.maxs = '16 16 16';
 324                                 break;
 325                         case PROJECTILE_FIREMINE:
 326                                 loopsound(self, CHAN_PROJECTILE, "weapons/fireball_fly.wav", VOL_BASE, ATTN_NORM);
 327                                 self.move_movetype = MOVETYPE_BOUNCE;
 328                                 self.move_touch = SUB_Null;
 329                                 self.mins = '-4 -4 -4';
 330                                 self.maxs = '4 4 4';
 331                                 break;
 332                         default:
 333                                 break;
 334                 }
 335         }
 336
 337         if(self.gravity)
 338         {
 339                 if(self.move_movetype == MOVETYPE_FLY)
 340                         self.move_movetype = MOVETYPE_TOSS;
 341                 if(self.move_movetype == MOVETYPE_BOUNCEMISSILE)
 342                         self.move_movetype = MOVETYPE_BOUNCE;
 343         }
 344         else
 345         {
 346                 if(self.move_movetype == MOVETYPE_TOSS)
 347                         self.move_movetype = MOVETYPE_FLY;
 348                 if(self.move_movetype == MOVETYPE_BOUNCE)
 349                         self.move_movetype = MOVETYPE_BOUNCEMISSILE;
 350         }
 351
 352         if(!(self.count & 0x80))
 353                 InterpolateOrigin_Note();
 354
 355         self.draw = Projectile_Draw;
 356         self.entremove = Ent_RemoveProjectile;
 357 }
 358
 359 void Projectile_Precache()
 360 {
 361         precache_model("models/ebomb.mdl");
 362         precache_model("models/elaser.mdl");
 363         precache_model("models/grenademodel.md3");
 364         precache_model("models/hagarmissile.mdl");
 365         precache_model("models/hlac_bullet.md3");
 366         precache_model("models/laser.mdl");
 367         precache_model("models/plasmatrail.mdl");
 368         precache_model("models/rocket.md3");
 369         precache_model("models/tracer.mdl");
 370         precache_sound("weapons/electro_fly.wav");
 371         precache_sound("weapons/rocket_fly.wav");
 372         precache_sound("weapons/fireball_fly.wav");
 373         precache_sound("weapons/fireball_fly2.wav");
 374 }