/*
* @brief Resets entity flags and other state which should only last one frame.
*/
static void Sv_ResetEntities(void) {
uint32_t i;
if (sv.state != SV_ACTIVE_GAME)
return;
for (i = 0; i < svs.game->num_edicts; i++) {
g_edict_t *edict = EDICT_FOR_NUM(i);
// events only last for a single message
edict->s.event = 0;
}
}
/*
* @brief Reloads svs.clients, svs.client_entities, the game programs, etc. Because
* we must allocate clients and edicts based on sizes the game module requests,
* we refresh the game module
*/
static void Sv_InitClients(void) {
int32_t i;
if (!svs.initialized || Cvar_PendingLatched()) {
Sv_ShutdownGame();
Sv_ShutdownClients();
Sv_UpdateLatchedVars();
// initialize the clients array
svs.clients = Z_TagMalloc(sizeof(sv_client_t) * sv_max_clients->integer, Z_TAG_SERVER);
// and the entity states array
svs.num_entity_states = sv_max_clients->integer * UPDATE_BACKUP * MAX_PACKET_ENTITIES;
svs.entity_states = Z_TagMalloc(sizeof(entity_state_t) * svs.num_entity_states,
Z_TAG_SERVER);
svs.frame_rate = sv_hz->integer;
svs.spawn_count = Random();
Sv_InitGame();
} else {
svs.spawn_count++;
}
// align the game entities with the server's clients
for (i = 0; i < sv_max_clients->integer; i++) {
g_edict_t *edict = EDICT_FOR_NUM(i + 1);
edict->s.number = i + 1;
// assign their edict
svs.clients[i].edict = edict;
// reset state of spawned clients back to connected
if (svs.clients[i].state > SV_CLIENT_CONNECTED)
svs.clients[i].state = SV_CLIENT_CONNECTED;
// invalidate last frame to force a baseline
svs.clients[i].last_frame = -1;
svs.clients[i].last_message = svs.real_time;
}
}
/*
* @brief Entity baselines are used to compress the update messages
* to the clients -- only the fields that differ from the
* baseline will be transmitted
*/
static void Sv_CreateBaseline(void) {
g_edict_t *ent;
uint32_t i;
for (i = 1; i < svs.game->num_edicts; i++) {
ent = EDICT_FOR_NUM(i);
if (!ent->in_use)
continue;
if (!ent->s.model1 && !ent->s.sound && !ent->s.effects)
continue;
ent->s.number = i;
// take current state as baseline
VectorCopy(ent->s.origin, ent->s.old_origin);
sv.baselines[i] = ent->s;
}
}
