qcsrc/common/triggers/trigger/multivibrator.qc

   1 #include "multivibrator.qh"
   2 #ifdef SVQC
   3 void multivibrator_send(entity this)
   4 {
   5         float newstate;
   6         float cyclestart;
   7
   8         cyclestart = floor((time + this.phase) / (this.wait + this.respawntime)) * (this.wait + this.respawntime) - this.phase;
   9
  10         newstate = (time < cyclestart + this.wait);
  11
  12         if (this.state != newstate) {
  13                 SUB_UseTargets(this, this, NULL);
  14         }
  15         this.state = newstate;
  16
  17         if (this.state) {
  18                 this.nextthink = cyclestart + this.wait + 0.01;
  19         } else {
  20                 this.nextthink = cyclestart + this.wait + this.respawntime + 0.01;
  21         }
  22 }
  23
  24 void multivibrator_send_think(entity this)
  25 {
  26         multivibrator_send(this);
  27 }
  28
  29 void multivibrator_toggle(entity this, entity actor, entity trigger)
  30 {
  31         if (this.nextthink == 0) {
  32                 multivibrator_send(this);
  33         } else {
  34                 if (this.state) {
  35                         SUB_UseTargets(this, actor, trigger);
  36                         this.state = 0;
  37                 }
  38                 this.nextthink = 0;
  39         }
  40 }
  41
  42 void multivibrator_reset(entity this)
  43 {
  44         if (!(this.spawnflags & 1)) {
  45                 this.nextthink = 0; // wait for a trigger event
  46         } else {
  47                 this.nextthink = max(1, time);
  48         }
  49 }
  50
  51 /*QUAKED trigger_multivibrator (.5 .5 .5) (-8 -8 -8) (8 8 8) START_ON
  52 "Multivibrator" trigger gate... repeatedly sends trigger events. When triggered, turns on or off.
  53 -------- KEYS --------
  54 target: trigger all entities with this targetname when it goes off
  55 targetname: name that identifies this entity so it can be triggered; when off, it always uses the OFF state
  56 phase: offset of the timing
  57 wait: "on" cycle time (default: 1)
  58 respawntime: "off" cycle time (default: same as wait)
  59 -------- SPAWNFLAGS --------
  60 START_ON: assume it is already turned on (when targeted)
  61 */
  62 spawnfunc(trigger_multivibrator)
  63 {
  64         if (!this.wait) {
  65                 this.wait = 1;
  66         }
  67         if (!this.respawntime) {
  68                 this.respawntime = this.wait;
  69         }
  70
  71         this.state = 0;
  72         this.use = multivibrator_toggle;
  73         setthink(this, multivibrator_send_think);
  74         this.nextthink = max(1, time);
  75
  76         if (THIS_TARGETED) {
  77                 multivibrator_reset(this);
  78         }
  79 }
  80 #endif