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 .float(entity to) SendEntity;
  17 .float Version;
  18
  19 entity entcs_start;
  20
  21 void entcs_init()
  22 {
  23         print("Initializing ClientSide information entities\n");
  24         entcs_start = spawn();
  25         entcs_start.solid = SOLID_NOT;
  26         entcs_start.chain = world;
  27 };
  28
  29 entity get_entcs_ent(float num)
  30 {
  31         entity entcs;
  32         entcs = spawn();
  33         entcs.chain = entcs_start.chain;
  34         entcs_start.chain = entcs;
  35         return entcs;
  36 };
  37
  38 void entcs_ons(entity to)
  39 {
  40         if(to == self.owner || self.team != to.team)
  41                 return;
  42         if(self.owner.classname == "observer" || to.classname == "observer")
  43                 return;
  44         WriteByte(MSG_ENTITY, ENTCS_MSG_ONS);
  45         WriteCoord(MSG_ENTITY, self.owner.origin_x);
  46         WriteCoord(MSG_ENTITY, self.owner.origin_y);
  47         WriteCoord(MSG_ENTITY, self.owner.angles_y);
  48 }
  49
  50 void entcs_common_self()
  51 {
  52         /*
  53         entity pl;
  54         if(self.pingtime < time)
  55         {
  56                 self.pingtime = time + 9; // keep it 1 below the non-ons update intervall
  57                 // just to be safe... (blah)
  58                 WriteByte(MSG_ENTITY, ENTCS_MSG_PING);
  59                 FOR_EACH_REALCLIENT(pl)
  60                 {
  61                         WriteByte(MSG_ENTITY, num_for_edict(pl));
  62                         WriteShort(MSG_ENTITY, pl.ping);
  63                 }
  64                 WriteByte(MSG_ENTITY, 0);
  65         }
  66         */
  67 }
  68
  69 float entcs_send(entity to)
  70 {
  71         WriteByte(MSG_ENTITY, ENT_CLIENT_ENTCS);
  72         WriteByte(MSG_ENTITY, self.health); // serves as entitynumber
  73
  74         if(to == self.owner)
  75         {
  76                 entcs_common_self();
  77         }
  78
  79         if(game == GAME_ONSLAUGHT)
  80                 entcs_ons(to);
  81
  82         WriteByte(MSG_ENTITY, ENTCS_MSG_END);
  83         return TRUE;
  84 };
  85
  86 void entcs_think()
  87 {
  88         self.team = self.owner.team;
  89         self.Version++;
  90         setorigin(self, self.owner.origin);
  91         if(game == GAME_ONSLAUGHT)
  92                 self.nextthink = time + 0.1;
  93         else
  94                 self.nextthink = time + 10; // update pings every 10 seconds
  95 };
  96
  97 void attach_entcs()
  98 {
  99         local float num;
 100         local entity ent;
 101
 102         print("Attaching ENTCS entity\n");
 103
 104         num = num_for_edict(self);
 105         ent = get_entcs_ent(num);
 106
 107         ent.classname = "entcs_sender";
 108         ent.health = num;
 109         setorigin(ent, self.origin);
 110         ent.owner = self;
 111         ent.think = entcs_think;
 112         ent.nextthink = time;
 113         ent.effects = EF_NODEPTHTEST | EF_LOWPRECISION;
 114         ent.model = "entcs_sender";
 115         ent.modelindex = 1;
 116         setsize(ent, '0 0 0', '0 0 0');
 117
 118         ent.SendEntity = entcs_send;
 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 };