if (data_packets[i] == -1) {
++confirm_wait;
}
- data_packets[i] = conn.Send();
+ data_packets[i] = conn.Send(Packet::ChunkData::GetSize(len));
}
void ChunkTransmitter::Release() {
, old_actions(0)
, transmitter(*this)
, chunk_queue()
-, old_base() {
+, old_base()
+, chunk_blocks_skipped(0) {
conn.SetHandler(this);
}
return;
}
if (HasPlayer()) {
- // sync entities
- auto global_iter = server.GetWorld().Entities().begin();
- auto global_end = server.GetWorld().Entities().end();
- auto local_iter = spawns.begin();
- auto local_end = spawns.end();
-
- while (global_iter != global_end && local_iter != local_end) {
- if (global_iter->ID() == local_iter->entity->ID()) {
- // they're the same
- if (CanDespawn(*global_iter)) {
- SendDespawn(*local_iter);
- } else if (SendingUpdates()) {
- // update
- QueueUpdate(*local_iter);
- }
- ++global_iter;
- ++local_iter;
- } else if (global_iter->ID() < local_iter->entity->ID()) {
- // global entity was inserted
- if (CanSpawn(*global_iter)) {
- auto spawned = spawns.emplace(local_iter, *global_iter);
- SendSpawn(*spawned);
- }
- ++global_iter;
- } else {
- // global entity was removed
+ CheckPlayerFix();
+ CheckChunkQueue();
+ CheckEntities();
+ SendUpdates();
+ }
+ if (conn.ShouldPing()) {
+ conn.SendPing(server.GetPacket(), server.GetSocket());
+ }
+}
+
+void ClientConnection::CheckEntities() {
+ auto global_iter = server.GetWorld().Entities().begin();
+ auto global_end = server.GetWorld().Entities().end();
+ auto local_iter = spawns.begin();
+ auto local_end = spawns.end();
+
+ while (global_iter != global_end && local_iter != local_end) {
+ if (global_iter->ID() == local_iter->entity->ID()) {
+ // they're the same
+ if (CanDespawn(*global_iter)) {
SendDespawn(*local_iter);
- ++local_iter;
+ } else if (SendingUpdates()) {
+ // update
+ QueueUpdate(*local_iter);
}
- }
-
- // leftover spawns
- while (global_iter != global_end) {
+ ++global_iter;
+ ++local_iter;
+ } else if (global_iter->ID() < local_iter->entity->ID()) {
+ // global entity was inserted
if (CanSpawn(*global_iter)) {
- spawns.emplace_back(*global_iter);
- SendSpawn(spawns.back());
+ auto spawned = spawns.emplace(local_iter, *global_iter);
+ SendSpawn(*spawned);
}
++global_iter;
- }
-
- // leftover despawns
- while (local_iter != local_end) {
+ } else {
+ // global entity was removed
SendDespawn(*local_iter);
++local_iter;
}
- SendUpdates();
+ }
- CheckPlayerFix();
- CheckChunkQueue();
+ // leftover spawns
+ while (global_iter != global_end) {
+ if (CanSpawn(*global_iter)) {
+ spawns.emplace_back(*global_iter);
+ SendSpawn(spawns.back());
+ }
+ ++global_iter;
}
- if (conn.ShouldPing()) {
- conn.SendPing(server.GetPacket(), server.GetSocket());
+
+ // leftover despawns
+ while (local_iter != local_end) {
+ SendDespawn(*local_iter);
+ ++local_iter;
}
}
}
bool ClientConnection::SendingUpdates() const noexcept {
- return entity_updates_skipped >= NetStat().SuggestedPacketSkip();
+ return entity_updates_skipped >= NetStat().SuggestedPacketHold();
}
void ClientConnection::QueueUpdate(SpawnStatus &status) {
void ClientConnection::CheckPlayerFix() {
// player_update_state's position holds the client's most recent prediction
glm::vec3 diff = player_update_state.Diff(PlayerEntity().GetState());
- float dist_squared = dot(diff, diff);
+ float dist_squared = glm::length2(diff);
// if client's prediction is off by more than 1cm, send
// our (authoritative) state back so it can fix it
}
old_base = PlayerChunks().Base();
sort(chunk_queue.begin(), chunk_queue.end(), QueueCompare(old_base));
+ chunk_queue.erase(unique(chunk_queue.begin(), chunk_queue.end()), chunk_queue.end());
}
- // if we have packet skip enabled and just pushed an entity
- // update, don't also send chunk data
- if (NetStat().SuggestedPacketSkip() > 0 && entity_updates_skipped == 0) {
+ // don't push entity updates and chunk data in the same tick
+ if (chunk_blocks_skipped >= NetStat().SuggestedPacketHold() && !SendingUpdates()) {
+ ++chunk_blocks_skipped;
return;
}
if (transmitter.Transmitting()) {
transmitter.Transmit();
+ chunk_blocks_skipped = 0;
return;
}
if (transmitter.Idle()) {
Chunk *chunk = PlayerChunks().Get(pos);
if (chunk) {
transmitter.Send(*chunk);
+ chunk_blocks_skipped = 0;
return;
} else {
chunk_queue.push_back(pos);
input.reset(new DirectInput(server.GetWorld(), player, server));
PlayerEntity().Ref();
+ cli_ctx.reset(new NetworkCLIFeedback(player, *this));
+
old_base = PlayerChunks().Base();
ExactLocation::Coarse begin = PlayerChunks().CoordsBegin();
ExactLocation::Coarse end = PlayerChunks().CoordsEnd();
server.GetWorldSave().Write(input->GetPlayer());
PlayerEntity().Kill();
PlayerEntity().UnRef();
+ cli_ctx.reset();
input.reset();
transmitter.Abort();
chunk_queue.clear();
return HasPlayer() && PlayerChunks().InRange(pos);
}
+void ClientConnection::On(const Packet::ChunkBegin &pack) {
+ glm::ivec3 pos;
+ pack.ReadChunkCoords(pos);
+ if (ChunkInRange(pos)) {
+ chunk_queue.push_front(pos);
+ }
+}
+
void ClientConnection::On(const Packet::Message &pack) {
uint8_t type;
uint32_t ref;
pack.ReadReferral(ref);
pack.ReadMessage(msg);
- if (type == 1 && HasPlayer()) {
- server.DispatchMessage(input->GetPlayer(), msg);
+ if (type == 1 && cli_ctx) {
+ server.DispatchMessage(*cli_ctx, msg);
}
}
+uint16_t ClientConnection::SendMessage(uint8_t type, uint32_t from, const string &msg) {
+ auto pack = Prepare<Packet::Message>();
+ pack.WriteType(type);
+ pack.WriteReferral(from);
+ pack.WriteMessage(msg);
+ return Send(Packet::Message::GetSize(msg));
+}
+
+
+NetworkCLIFeedback::NetworkCLIFeedback(Player &p, ClientConnection &c)
+: CLIContext(p)
+, conn(c) {
+
+}
+
+void NetworkCLIFeedback::Error(const string &msg) {
+ conn.SendMessage(0, 0, msg);
+}
+
+void NetworkCLIFeedback::Message(const string &msg) {
+ conn.SendMessage(0, 0, msg);
+}
+void NetworkCLIFeedback::Broadcast(const string &msg) {
+ conn.GetServer().DistributeMessage(0, GetPlayer().GetEntity().ID(), msg);
+}
+
+
+// relying on {} zero intitialization for UDPpacket, because
+// the type and number of fields is not well defined
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
Server::Server(
const Config::Network &conf,
World &world,
const WorldSave &save)
: serv_sock(nullptr)
, serv_pack{ -1, nullptr, 0 }
+, serv_set(SDLNet_AllocSocketSet(1))
, clients()
, world(world)
, spawn_index(world.Chunks().MakeIndex(wc.spawn, 3))
, save(save)
, player_model(nullptr)
, cli(world) {
+#pragma GCC diagnostic pop
+ if (!serv_set) {
+ throw NetError("SDLNet_AllocSocketSet");
+ }
+
serv_sock = SDLNet_UDP_Open(conf.port);
if (!serv_sock) {
+ SDLNet_FreeSocketSet(serv_set);
throw NetError("SDLNet_UDP_Open");
}
+ if (SDLNet_UDP_AddSocket(serv_set, serv_sock) == -1) {
+ SDLNet_UDP_Close(serv_sock);
+ SDLNet_FreeSocketSet(serv_set);
+ throw NetError("SDLNet_UDP_AddSocket");
+ }
+
serv_pack.data = new Uint8[sizeof(Packet)];
serv_pack.maxlen = sizeof(Packet);
}
Server::~Server() {
+ for (ClientConnection &client : clients) {
+ client.Disconnected();
+ }
+ clients.clear();
world.Chunks().UnregisterIndex(spawn_index);
delete[] serv_pack.data;
+ SDLNet_UDP_DelSocket(serv_set, serv_sock);
SDLNet_UDP_Close(serv_sock);
+ SDLNet_FreeSocketSet(serv_set);
+}
+
+
+void Server::Wait(int dt) noexcept {
+ SDLNet_CheckSockets(serv_set, dt);
}
+bool Server::Ready() noexcept {
+ return SDLNet_CheckSockets(serv_set, 0) > 0;
+}
void Server::Handle() {
int result = SDLNet_UDP_Recv(serv_sock, &serv_pack);
}
}
-void Server::DispatchMessage(Player &player, const string &msg) {
+void Server::DispatchMessage(CLIContext &ctx, const string &msg) {
if (msg.empty()) {
return;
}
if (msg[0] == '/' && msg.size() > 1 && msg[1] != '/') {
- cli.Execute(player, msg.substr(1));
+ cli.Execute(ctx, msg.substr(1));
} else {
- DistributeMessage(1, player.GetEntity().ID(), msg);
+ DistributeMessage(1, ctx.GetPlayer().GetEntity().ID(), msg);
}
}
projects / blank.git / blobdiff