data/qcsrc/server/ent_cs.qc

   1 /**
   2  * The point of these entities is to avoid the problems
   3  * with clientprediction.
   4  * If you add SendEntity to players, the engine will not
   5  * do any prediction anymore, and you'd have to write the whole
   6  * prediction code in CSQC, you want that? :P
   7  * Data can depend on gamemode. For now, it serves as GPS entities
   8  * in onslaught... YAY ;)
   9  */
  10
  11 // Beware: do not redefine those in other files
  12 // and NO, you cannot use ".version", which already exists (at least
  13 // it did when I added this) But you have to use .Version
  14 // Capital V
  15
  16 entity entcs_start;
  17
  18 void entcs_init()
  19 {
  20         print("Initializing ClientSide information entities\n");
  21         entcs_start = spawn();
  22         entcs_start.solid = SOLID_NOT;
  23         entcs_start.chain = world;
  24 };
  25
  26 entity get_entcs_ent()
  27 {
  28         entity entcs;
  29         entcs = spawn();
  30         entcs.chain = entcs_start.chain;
  31         entcs_start.chain = entcs;
  32         return entcs;
  33 };
  34
  35 void entcs_ons(entity to)
  36 {
  37         if(to == self.owner || self.team != to.team ||
  38            self.owner.classname == "observer" || to.classname == "observer")
  39         {
  40                 WriteByte(MSG_ENTITY, ENTCS_MSG_ONS_REMOVE);
  41                 return;
  42         }
  43         WriteByte(MSG_ENTITY, ENTCS_MSG_ONS_GPS);
  44         WriteCoord(MSG_ENTITY, self.owner.origin_x);
  45         WriteCoord(MSG_ENTITY, self.owner.origin_y);
  46         WriteCoord(MSG_ENTITY, self.owner.angles_y);
  47 }
  48
  49 void entcs_common_self()
  50 {
  51         /*
  52         entity pl;
  53         if(self.pingtime < time)
  54         {
  55                 self.pingtime = time + 9; // keep it 1 below the non-ons update intervall
  56                 // just to be safe... (blah)
  57                 WriteByte(MSG_ENTITY, ENTCS_MSG_PING);
  58                 FOR_EACH_REALCLIENT(pl)
  59                 {
  60                         WriteByte(MSG_ENTITY, num_for_edict(pl));
  61                         WriteShort(MSG_ENTITY, pl.ping);
  62                 }
  63                 WriteByte(MSG_ENTITY, 0);
  64         }
  65         */
  66 }
  67
  68 float entcs_send(entity to)
  69 {
  70         WriteByte(MSG_ENTITY, ENT_CLIENT_ENTCS);
  71         WriteByte(MSG_ENTITY, self.health); // serves as entitynumber
  72
  73         if(to == self.owner)
  74         {
  75                 entcs_common_self();
  76         }
  77
  78         if(g_onslaught)
  79                 entcs_ons(to);
  80
  81         WriteByte(MSG_ENTITY, ENTCS_MSG_END);
  82         return TRUE;
  83 };
  84
  85 void entcs_think()
  86 {
  87         self.team = self.owner.team;
  88         self.Version++;
  89         setorigin(self, self.owner.origin);
  90         if(game == GAME_ONSLAUGHT)
  91                 self.nextthink = time + 0.1;
  92         else
  93                 self.nextthink = time + 10; // update pings every 10 seconds
  94 };
  95
  96 entity attach_entcs()
  97 {
  98         local float num;
  99         local entity ent;
 100
 101         print("Attaching ENTCS entity\n");
 102
 103         num = num_for_edict(self);
 104         ent = get_entcs_ent();
 105
 106         ent.classname = "entcs_sender";
 107         ent.health = num;
 108         setorigin(ent, self.origin);
 109         ent.owner = self;
 110         ent.think = entcs_think;
 111         ent.nextthink = time;
 112         ent.effects = EF_NODEPTHTEST | EF_LOWPRECISION;
 113         ent.model = "entcs_sender";
 114         ent.modelindex = 1;
 115         setsize(ent, '0 0 0', '0 0 0');
 116
 117         ent.SendEntity = entcs_send;
 118         return ent;
 119 };
 120
 121 void detach_entcs()
 122 {
 123         local float num;
 124         local entity ent;
 125         num = num_for_edict(self);
 126         for(ent = entcs_start; ent.chain.owner != self && ent.chain != world; ent = ent.chain);
 127         if(ent.chain != world && ent.chain.owner == self)
 128         {
 129                 remove(ent.chain);
 130                 ent.chain = ent.chain.chain;
 131         }
 132 };