#include "Server.hpp"
#include "../app/init.hpp"
-#include "../model/CompositeModel.hpp"
+#include "../io/WorldSave.hpp"
+#include "../model/Model.hpp"
#include "../world/ChunkIndex.hpp"
#include "../world/Entity.hpp"
#include "../world/World.hpp"
+#include <algorithm>
#include <iostream>
#include <zlib.h>
+#include <glm/gtx/io.hpp>
using namespace std;
ClientConnection::ClientConnection(Server &server, const IPaddress &addr)
: server(server)
, conn(addr)
-, player(nullptr)
+, input()
, player_model(nullptr)
, spawns()
, confirm_wait(0)
, player_update_state()
, player_update_pack(0)
, player_update_timer(1500)
+, old_actions(0)
, transmitter(*this)
, chunk_queue()
, old_base() {
}
SendUpdates();
+ input->Update(dt);
CheckPlayerFix();
CheckChunkQueue();
}
}
uint16_t ClientConnection::Send(size_t len) {
- server.GetPacket().len = len;
+ server.GetPacket().len = sizeof(Packet::Header) + len;
return Send();
}
}
}
+namespace {
+
+struct QueueCompare {
+ explicit QueueCompare(const glm::ivec3 &base)
+ : base(base) { }
+ bool operator ()(const glm::ivec3 &left, const glm::ivec3 &right) const noexcept {
+ const glm::ivec3 ld(left - base);
+ const glm::ivec3 rd(right - base);
+ return
+ ld.x * ld.x + ld.y * ld.y + ld.z * ld.z <
+ rd.x * rd.x + rd.y * rd.y + rd.z * rd.z;
+ }
+ const glm::ivec3 &base;
+};
+
+}
+
void ClientConnection::CheckChunkQueue() {
if (PlayerChunks().Base() != old_base) {
Chunk::Pos begin = PlayerChunks().CoordsBegin();
}
}
old_base = PlayerChunks().Base();
+ sort(chunk_queue.begin(), chunk_queue.end(), QueueCompare(old_base));
}
if (transmitter.Transmitting()) {
transmitter.Transmit();
}
}
-void ClientConnection::AttachPlayer(Player &new_player) {
+void ClientConnection::AttachPlayer(Player &player) {
DetachPlayer();
- player = &new_player;
+ input.reset(new DirectInput(server.GetWorld(), player, server));
PlayerEntity().Ref();
old_base = PlayerChunks().Base();
}
}
}
+ sort(chunk_queue.begin(), chunk_queue.end(), QueueCompare(old_base));
+ // TODO: should the server do this?
if (HasPlayerModel()) {
GetPlayerModel().Instantiate(PlayerEntity().GetModel());
}
- cout << "player \"" << player->Name() << "\" joined" << endl;
+ cout << "player \"" << player.Name() << "\" joined" << endl;
}
void ClientConnection::DetachPlayer() {
if (!HasPlayer()) return;
- cout << "player \"" << player->Name() << "\" left" << endl;
- player->GetEntity().Kill();
- player->GetEntity().UnRef();
- player = nullptr;
+ cout << "player \"" << input->GetPlayer().Name() << "\" left" << endl;
+ server.GetWorldSave().Write(input->GetPlayer());
+ PlayerEntity().Kill();
+ PlayerEntity().UnRef();
+ input.reset();
transmitter.Abort();
chunk_queue.clear();
+ old_actions = 0;
}
-void ClientConnection::SetPlayerModel(const CompositeModel &m) noexcept {
+void ClientConnection::SetPlayerModel(const Model &m) noexcept {
player_model = &m;
if (HasPlayer()) {
m.Instantiate(PlayerEntity().GetModel());
return player_model;
}
-const CompositeModel &ClientConnection::GetPlayerModel() const noexcept {
+const Model &ClientConnection::GetPlayerModel() const noexcept {
return *player_model;
}
string name;
pack.ReadPlayerName(name);
- Player *new_player = server.GetWorld().AddPlayer(name);
+ Player *new_player = server.JoinPlayer(name);
if (new_player) {
// success!
int pack_diff = int16_t(pack.Seq()) - int16_t(player_update_pack);
bool overdue = player_update_timer.HitOnce();
player_update_timer.Reset();
- if (pack_diff > 0 || overdue) {
- player_update_pack = pack.Seq();
- pack.ReadPlayerState(player_update_state);
- // accept velocity and orientation as "user input"
- PlayerEntity().Velocity(player_update_state.velocity);
- PlayerEntity().Orientation(player_update_state.orient);
+ if (pack_diff <= 0 && !overdue) {
+ // drop old packets if we have a fairly recent state
+ return;
+ }
+ glm::vec3 movement(0.0f);
+ float pitch = 0.0f;
+ float yaw = 0.0f;
+ uint8_t new_actions;
+ uint8_t slot;
+
+ player_update_pack = pack.Seq();
+ pack.ReadPredictedState(player_update_state);
+ pack.ReadMovement(movement);
+ pack.ReadPitch(pitch);
+ pack.ReadYaw(yaw);
+ pack.ReadActions(new_actions);
+ pack.ReadSlot(slot);
+
+ input->SetMovement(movement);
+ input->TurnHead(pitch - input->GetPitch(), yaw - input->GetYaw());
+ input->SelectInventory(slot);
+
+ if ((new_actions & 0x01) && !(old_actions & 0x01)) {
+ input->StartPrimaryAction();
+ } else if (!(new_actions & 0x01) && (old_actions & 0x01)) {
+ input->StopPrimaryAction();
+ }
+ if ((new_actions & 0x02) && !(old_actions & 0x02)) {
+ input->StartSecondaryAction();
+ } else if (!(new_actions & 0x02) && (old_actions & 0x02)) {
+ input->StopSecondaryAction();
+ }
+ if ((new_actions & 0x04) && !(old_actions & 0x04)) {
+ input->StartTertiaryAction();
+ } else if (!(new_actions & 0x04) && (old_actions & 0x04)) {
+ input->StopTertiaryAction();
}
+ old_actions = new_actions;
+}
+
+bool ClientConnection::ChunkInRange(const glm::ivec3 &pos) const noexcept {
+ return HasPlayer() && PlayerChunks().InRange(pos);
}
-Server::Server(const Config::Network &conf, World &world)
+Server::Server(
+ const Config::Network &conf,
+ World &world,
+ const World::Config &wc,
+ const WorldSave &save)
: serv_sock(nullptr)
, serv_pack{ -1, nullptr, 0 }
, clients()
, world(world)
+, spawn_index(world.Chunks().MakeIndex(wc.spawn, 3))
+, save(save)
, player_model(nullptr) {
serv_sock = SDLNet_UDP_Open(conf.port);
if (!serv_sock) {
}
Server::~Server() {
+ world.Chunks().UnregisterIndex(spawn_index);
delete[] serv_pack.data;
SDLNet_UDP_Close(serv_sock);
}
}
}
-void Server::SetPlayerModel(const CompositeModel &m) noexcept {
+void Server::SetPlayerModel(const Model &m) noexcept {
player_model = &m;
for (ClientConnection &client : clients) {
client.SetPlayerModel(m);
return player_model;
}
-const CompositeModel &Server::GetPlayerModel() const noexcept {
+const Model &Server::GetPlayerModel() const noexcept {
return *player_model;
}
+Player *Server::JoinPlayer(const string &name) {
+ if (spawn_index.MissingChunks() > 0) {
+ return nullptr;
+ }
+ Player *player = world.AddPlayer(name);
+ if (!player) {
+ return nullptr;
+ }
+ if (save.Exists(*player)) {
+ save.Read(*player);
+ } else {
+ // TODO: spawn
+ }
+ return player;
+}
+
+void Server::SetBlock(Chunk &chunk, int index, const Block &block) {
+ chunk.SetBlock(index, block);
+ // TODO: batch chunk changes
+ auto pack = Packet::Make<Packet::BlockUpdate>(GetPacket());
+ pack.WriteChunkCoords(chunk.Position());
+ pack.WriteBlockCount(uint32_t(1));
+ pack.WriteIndex(index, 0);
+ pack.WriteBlock(chunk.BlockAt(index), 0);
+ GetPacket().len = sizeof(Packet::Header) + Packet::BlockUpdate::GetSize(1);
+ for (ClientConnection &client : clients) {
+ if (client.ChunkInRange(chunk.Position())) {
+ client.Send();
+ }
+ }
+}
+
}
}