qcsrc/common/triggers/misc/laser.qc

   1 #if defined(CSQC)
   2         #include "../../../client/_all.qh"
   3         #include "../../buffs.qh"
   4         #include "../../../csqcmodellib/interpolate.qh"
   5         #include "../../../client/main.qh"
   6         #include "../../../csqcmodellib/cl_model.qh"
   7 #elif defined(MENUQC)
   8 #elif defined(SVQC)
   9 #endif
  10
  11 #ifdef SVQC
  12 .float modelscale;
  13 void misc_laser_aim()
  14 {SELFPARAM();
  15         vector a;
  16         if(self.enemy)
  17         {
  18                 if(self.spawnflags & 2)
  19                 {
  20                         if(self.enemy.origin != self.mangle)
  21                         {
  22                                 self.mangle = self.enemy.origin;
  23                                 self.SendFlags |= 2;
  24                         }
  25                 }
  26                 else
  27                 {
  28                         a = vectoangles(self.enemy.origin - self.origin);
  29                         a_x = -a_x;
  30                         if(a != self.mangle)
  31                         {
  32                                 self.mangle = a;
  33                                 self.SendFlags |= 2;
  34                         }
  35                 }
  36         }
  37         else
  38         {
  39                 if(self.angles != self.mangle)
  40                 {
  41                         self.mangle = self.angles;
  42                         self.SendFlags |= 2;
  43                 }
  44         }
  45         if(self.origin != self.oldorigin)
  46         {
  47                 self.SendFlags |= 1;
  48                 self.oldorigin = self.origin;
  49         }
  50 }
  51
  52 void misc_laser_init()
  53 {SELFPARAM();
  54         if(self.target != "")
  55                 self.enemy = find(world, targetname, self.target);
  56 }
  57
  58 .entity pusher;
  59 void misc_laser_think()
  60 {SELFPARAM();
  61         vector o;
  62         entity hitent;
  63         vector hitloc;
  64
  65         self.nextthink = time;
  66
  67         if(!self.state)
  68                 return;
  69
  70         misc_laser_aim();
  71
  72         if(self.enemy)
  73         {
  74                 o = self.enemy.origin;
  75                 if (!(self.spawnflags & 2))
  76                         o = self.origin + normalize(o - self.origin) * 32768;
  77         }
  78         else
  79         {
  80                 makevectors(self.mangle);
  81                 o = self.origin + v_forward * 32768;
  82         }
  83
  84         if(self.dmg || self.enemy.target != "")
  85         {
  86                 traceline(self.origin, o, MOVE_NORMAL, self);
  87         }
  88         hitent = trace_ent;
  89         hitloc = trace_endpos;
  90
  91         if(self.enemy.target != "") // DETECTOR laser
  92         {
  93                 if(trace_ent.iscreature)
  94                 {
  95                         self.pusher = hitent;
  96                         if(!self.count)
  97                         {
  98                                 self.count = 1;
  99
 100                                 activator = self.enemy.pusher;
 101                                 WITH(entity, self, self.enemy, SUB_UseTargets());
 102                         }
 103                 }
 104                 else
 105                 {
 106                         if(self.count)
 107                         {
 108                                 self.count = 0;
 109
 110                                 activator = self.enemy.pusher;
 111                                 WITH(entity, self, self.enemy, SUB_UseTargets());
 112                         }
 113                 }
 114         }
 115
 116         if(self.dmg)
 117         {
 118                 if(self.team)
 119                         if(((self.spawnflags & 8) == 0) == (self.team != hitent.team))
 120                                 return;
 121                 if(hitent.takedamage)
 122                         Damage(hitent, self, self, ((self.dmg < 0) ? 100000 : (self.dmg * frametime)), DEATH_HURTTRIGGER, hitloc, '0 0 0');
 123         }
 124 }
 125
 126 float laser_SendEntity(entity to, float fl)
 127 {SELFPARAM();
 128         WriteByte(MSG_ENTITY, ENT_CLIENT_LASER);
 129         fl = fl - (fl & 0xF0); // use that bit to indicate finite length laser
 130         if(self.spawnflags & 2)
 131                 fl |= 0x80;
 132         if(self.alpha)
 133                 fl |= 0x40;
 134         if(self.scale != 1 || self.modelscale != 1)
 135                 fl |= 0x20;
 136         if(self.spawnflags & 4)
 137                 fl |= 0x10;
 138         WriteByte(MSG_ENTITY, fl);
 139         if(fl & 1)
 140         {
 141                 WriteCoord(MSG_ENTITY, self.origin_x);
 142                 WriteCoord(MSG_ENTITY, self.origin_y);
 143                 WriteCoord(MSG_ENTITY, self.origin_z);
 144         }
 145         if(fl & 8)
 146         {
 147                 WriteByte(MSG_ENTITY, self.colormod_x * 255.0);
 148                 WriteByte(MSG_ENTITY, self.colormod_y * 255.0);
 149                 WriteByte(MSG_ENTITY, self.colormod_z * 255.0);
 150                 if(fl & 0x40)
 151                         WriteByte(MSG_ENTITY, self.alpha * 255.0);
 152                 if(fl & 0x20)
 153                 {
 154                         WriteByte(MSG_ENTITY, bound(0, self.scale * 16.0, 255));
 155                         WriteByte(MSG_ENTITY, bound(0, self.modelscale * 16.0, 255));
 156                 }
 157                 if((fl & 0x80) || !(fl & 0x10)) // effect doesn't need sending if the laser is infinite and has collision testing turned off
 158                         WriteShort(MSG_ENTITY, self.cnt + 1);
 159         }
 160         if(fl & 2)
 161         {
 162                 if(fl & 0x80)
 163                 {
 164                         WriteCoord(MSG_ENTITY, self.enemy.origin_x);
 165                         WriteCoord(MSG_ENTITY, self.enemy.origin_y);
 166                         WriteCoord(MSG_ENTITY, self.enemy.origin_z);
 167                 }
 168                 else
 169                 {
 170                         WriteAngle(MSG_ENTITY, self.mangle_x);
 171                         WriteAngle(MSG_ENTITY, self.mangle_y);
 172                 }
 173         }
 174         if(fl & 4)
 175                 WriteByte(MSG_ENTITY, self.state);
 176         return 1;
 177 }
 178
 179 /*QUAKED spawnfunc_misc_laser (.5 .5 .5) ? START_ON DEST_IS_FIXED
 180 Any object touching the beam will be hurt
 181 Keys:
 182 "target"
 183  spawnfunc_target_position where the laser ends
 184 "mdl"
 185  name of beam end effect to use
 186 "colormod"
 187  color of the beam (default: red)
 188 "dmg"
 189  damage per second (-1 for a laser that kills immediately)
 190 */
 191 void laser_use()
 192 {SELFPARAM();
 193         self.state = !self.state;
 194         self.SendFlags |= 4;
 195         misc_laser_aim();
 196 }
 197
 198 void laser_reset()
 199 {SELFPARAM();
 200         if(self.spawnflags & 1)
 201                 self.state = 1;
 202         else
 203                 self.state = 0;
 204 }
 205
 206 void spawnfunc_misc_laser()
 207 {SELFPARAM();
 208         if(self.mdl)
 209         {
 210                 if(self.mdl == "none")
 211                         self.cnt = -1;
 212                 else
 213                 {
 214                         self.cnt = _particleeffectnum(self.mdl);
 215                         if(self.cnt < 0)
 216                                 if(self.dmg)
 217                                         self.cnt = particleeffectnum(EFFECT_LASER_DEADLY);
 218                 }
 219         }
 220         else if(!self.cnt)
 221         {
 222                 if(self.dmg)
 223                         self.cnt = particleeffectnum(EFFECT_LASER_DEADLY);
 224                 else
 225                         self.cnt = -1;
 226         }
 227         if(self.cnt < 0)
 228                 self.cnt = -1;
 229
 230         if(self.colormod == '0 0 0')
 231                 if(!self.alpha)
 232                         self.colormod = '1 0 0';
 233         if(self.message == "")
 234                 self.message = "saw the light";
 235         if (self.message2 == "")
 236                 self.message2 = "was pushed into a laser by";
 237         if(!self.scale)
 238                 self.scale = 1;
 239         if(!self.modelscale)
 240                 self.modelscale = 1;
 241         else if(self.modelscale < 0)
 242                 self.modelscale = 0;
 243         self.think = misc_laser_think;
 244         self.nextthink = time;
 245         InitializeEntity(self, misc_laser_init, INITPRIO_FINDTARGET);
 246
 247         self.mangle = self.angles;
 248
 249         Net_LinkEntity(self, false, 0, laser_SendEntity);
 250
 251         IFTARGETED
 252         {
 253                 self.reset = laser_reset;
 254                 laser_reset();
 255                 self.use = laser_use;
 256         }
 257         else
 258                 self.state = 1;
 259 }
 260 #elif defined(CSQC)
 261
 262 // a laser goes from origin in direction angles
 263 // it has color 'colormod'
 264 // and stops when something is in the way
 265 entityclass(Laser);
 266 class(Laser) .int cnt; // end effect
 267 class(Laser) .vector colormod;
 268 class(Laser) .int state; // on-off
 269 class(Laser) .int count; // flags for the laser
 270 class(Laser) .vector velocity;
 271 class(Laser) .float alpha;
 272 class(Laser) .float scale; // scaling factor of the thickness
 273 class(Laser) .float modelscale; // scaling factor of the dlight
 274
 275 void Draw_Laser()
 276 {SELFPARAM();
 277         if(!self.state)
 278                 return;
 279         InterpolateOrigin_Do();
 280         if(self.count & 0x80)
 281         {
 282                 if(self.count & 0x10)
 283                 {
 284                         trace_endpos = self.velocity;
 285                         trace_dphitq3surfaceflags = 0;
 286                 }
 287                 else
 288                         traceline(self.origin, self.velocity, 0, self);
 289         }
 290         else
 291         {
 292                 if(self.count & 0x10)
 293                 {
 294                         makevectors(self.angles);
 295                         trace_endpos = self.origin + v_forward * 1048576;
 296                         trace_dphitq3surfaceflags = Q3SURFACEFLAG_SKY;
 297                 }
 298                 else
 299                 {
 300                         makevectors(self.angles);
 301                         traceline(self.origin, self.origin + v_forward * 32768, 0, self);
 302                         if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
 303                                 trace_endpos = self.origin + v_forward * 1048576;
 304                 }
 305         }
 306         if(self.scale != 0)
 307         {
 308                 if(self.alpha)
 309                 {
 310                         Draw_CylindricLine(self.origin, trace_endpos, self.scale, "particles/laserbeam", 0, time * 3, self.colormod, self.alpha, DRAWFLAG_NORMAL, view_origin);
 311                 }
 312                 else
 313                 {
 314                         Draw_CylindricLine(self.origin, trace_endpos, self.scale, "particles/laserbeam", 0, time * 3, self.colormod, 0.5, DRAWFLAG_ADDITIVE, view_origin);
 315                 }
 316         }
 317         if (!(trace_dphitq3surfaceflags & (Q3SURFACEFLAG_SKY | Q3SURFACEFLAG_NOIMPACT)))
 318         {
 319                 if(self.cnt >= 0)
 320                         pointparticles(self.cnt, trace_endpos, trace_plane_normal, drawframetime * 1000);
 321                 if(self.colormod != '0 0 0' && self.modelscale != 0)
 322                         adddynamiclight(trace_endpos + trace_plane_normal * 1, self.modelscale, self.colormod * 5);
 323         }
 324 }
 325
 326 void Ent_Laser()
 327 {SELFPARAM();
 328         InterpolateOrigin_Undo();
 329
 330         // 30 bytes, or 13 bytes for just moving
 331         int f = ReadByte();
 332         self.count = (f & 0xF0);
 333
 334         if(self.count & 0x80)
 335                 self.iflags = IFLAG_VELOCITY | IFLAG_ORIGIN;
 336         else
 337                 self.iflags = IFLAG_ANGLES | IFLAG_ORIGIN;
 338
 339         if(f & 1)
 340         {
 341                 self.origin_x = ReadCoord();
 342                 self.origin_y = ReadCoord();
 343                 self.origin_z = ReadCoord();
 344                 setorigin(self, self.origin);
 345         }
 346         if(f & 8)
 347         {
 348                 self.colormod_x = ReadByte() / 255.0;
 349                 self.colormod_y = ReadByte() / 255.0;
 350                 self.colormod_z = ReadByte() / 255.0;
 351                 if(f & 0x40)
 352                         self.alpha = ReadByte() / 255.0;
 353                 else
 354                         self.alpha = 0;
 355                 self.scale = 2;
 356                 self.modelscale = 50;
 357                 if(f & 0x20)
 358                 {
 359                         self.scale *= ReadByte() / 16.0; // beam radius
 360                         self.modelscale *= ReadByte() / 16.0; // dlight radius
 361                 }
 362                 if((f & 0x80) || !(f & 0x10))
 363                         self.cnt = ReadShort() - 1; // effect number
 364                 else
 365                         self.cnt = 0;
 366         }
 367         if(f & 2)
 368         {
 369                 if(f & 0x80)
 370                 {
 371                         self.velocity_x = ReadCoord();
 372                         self.velocity_y = ReadCoord();
 373                         self.velocity_z = ReadCoord();
 374                 }
 375                 else
 376                 {
 377                         self.angles_x = ReadAngle();
 378                         self.angles_y = ReadAngle();
 379                 }
 380         }
 381         if(f & 4)
 382                 self.state = ReadByte();
 383         InterpolateOrigin_Note();
 384         self.draw = Draw_Laser;
 385 }
 386 #endif