data/qcsrc/gamec/t_jumppads.c

   1 float PUSH_ONCE                 = 1;
   2 float PUSH_SILENT               = 2;
   3
   4 .float pushltime;
   5 void() trigger_push_touch =
   6 {
   7         local float flighttime, dist, grav;
   8         local vector org;
   9
  10         if (other.classname != "player" && other.classname != "corpse" && other.classname != "body" && other.classname != "gib" && other.classname != "missile" && other.classname != "casing" && other.classname != "grenade" && other.classname != "plasma" && other.classname != "plasma_prim" && other.classname != "plasma_chain")
  11                 return;
  12
  13         if (!self.target)
  14         {
  15                 other.velocity = self.movedir;
  16                 other.flags = other.flags - (other.flags & FL_ONGROUND);
  17                 return;
  18         }
  19
  20         org = other.origin;
  21
  22         if (other.classname == "player")
  23                 sound (other, CHAN_ITEM, "misc/jumppad.ogg", 1, ATTN_NORM);
  24
  25         // figure out how long it will take to hit the point considering gravity
  26         grav = cvar("sv_gravity");
  27         flighttime = sqrt((self.enemy.origin_z - org_z) / (0.5 * grav));
  28         if (!flighttime)
  29                 return;
  30
  31         // how far in X and Y to move
  32         self.movedir = (self.enemy.origin - org);
  33         self.movedir_z = 0;
  34         dist = vlen(self.movedir);
  35
  36         // finally calculate the velocity
  37         self.movedir = normalize(self.movedir) * (dist / flighttime);
  38         self.movedir_z = flighttime * grav;
  39
  40         other.flags = other.flags - (other.flags & FL_ONGROUND);
  41         // reset tracking of oldvelocity for impact damage (sudden velocity changes)
  42         other.oldvelocity = other.velocity = self.movedir;
  43         // reset tracking of who pushed you into a hazard (for kill credit)
  44         other.pushltime = 0;
  45
  46         if (other.classname == "missile")
  47                 other.angles = vectoangles (other.velocity);
  48
  49         if (self.spawnflags & PUSH_ONCE)
  50         {
  51                 self.touch = SUB_Null;
  52                 self.think = SUB_Remove;
  53                 self.nextthink = time;
  54         }
  55 };
  56
  57 void() trigger_push_findtarget =
  58 {
  59         // find the target
  60         self.enemy = find(world, targetname, self.target);
  61         if (!self.enemy)
  62         {
  63                 objerror("trigger_push: target not found\n");
  64                 remove(self);
  65         }
  66 };
  67
  68 void() trigger_push =
  69 {
  70         if (self.angles != '0 0 0')
  71                 SetMovedir ();
  72
  73         self.solid = SOLID_TRIGGER;
  74         setmodel (self, self.model);
  75         self.movetype = MOVETYPE_NONE;
  76         self.modelindex = 0;
  77         self.model = "";
  78
  79         self.touch = trigger_push_touch;
  80
  81         // check if this is a jump pad
  82         if (self.target)
  83         {
  84                 self.think = trigger_push_findtarget;
  85                 self.nextthink = time + 0.2;
  86         }
  87         else
  88         {
  89                 // normal push setup
  90                 if (!self.speed)
  91                         self.speed = 1000;
  92                 self.movedir = self.movedir * self.speed * 10;
  93         }
  94 };
  95
  96 void() target_push = {};
  97 void() info_notnull = {};
  98 void() target_position = {};