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 .float pingtime;
  20
  21 entity entcs_start;
  22
  23 void entcs_init()
  24 {
  25         print("Initializing ClientSide information entities\n");
  26         entcs_start = spawn();
  27         entcs_start.solid = SOLID_NOT;
  28         entcs_start.chain = world;
  29 };
  30
  31 entity get_entcs_ent(float num)
  32 {
  33         entity entcs;
  34         entcs = spawn();
  35         entcs.chain = entcs_start.chain;
  36         entcs_start.chain = entcs;
  37         return entcs;
  38 };
  39
  40 void entcs_ons(entity to)
  41 {
  42         if(to == self.owner || self.team != to.team)
  43                 return;
  44         if(self.owner.classname == "observer" || to.classname == "observer")
  45                 return;
  46         WriteByte(MSG_ENTITY, ENTCS_MSG_ONS);
  47         WriteCoord(MSG_ENTITY, self.owner.origin_x);
  48         WriteCoord(MSG_ENTITY, self.owner.origin_y);
  49         WriteCoord(MSG_ENTITY, self.owner.angles_y);
  50 }
  51
  52 void entcs_common_self()
  53 {
  54         entity pl;
  55         if(self.pingtime < time)
  56         {
  57                 self.pingtime = time + 9; // keep it 1 below the non-ons update intervall
  58                 // just to be safe... (blah)
  59                 WriteByte(MSG_ENTITY, ENTCS_MSG_PING);
  60                 FOR_EACH_REALCLIENT(pl)
  61                 {
  62                         WriteByte(MSG_ENTITY, num_for_edict(pl));
  63                         WriteShort(MSG_ENTITY, pl.ping);
  64                 }
  65                 WriteByte(MSG_ENTITY, 0);
  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.pingtime = time + 5;
 119
 120         ent.SendEntity = entcs_send;
 121 };
 122
 123 void detach_entcs()
 124 {
 125         local float num;
 126         local entity ent;
 127         num = num_for_edict(self);
 128         for(ent = entcs_start; ent.chain.owner != self && ent.chain != world; ent = ent.chain);
 129         if(ent.chain != world && ent.chain.owner == self)
 130         {
 131                 remove(ent.chain);
 132                 ent.chain = ent.chain.chain;
 133         }
 134 };