Martin Michelsen
310 lines
10 KiB
C++
310 lines
10 KiB
C++
#include "Client.hh"
|
|
|
|
#include <errno.h>
|
|
#include <event2/buffer.h>
|
|
#include <event2/bufferevent.h>
|
|
#include <event2/event.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <atomic>
|
|
#include <phosg/Network.hh>
|
|
#include <phosg/Time.hh>
|
|
|
|
#include "Loggers.hh"
|
|
#include "Server.hh"
|
|
#include "Version.hh"
|
|
|
|
using namespace std;
|
|
|
|
const uint64_t CLIENT_CONFIG_MAGIC = 0x8399AC32;
|
|
|
|
static atomic<uint64_t> next_id(1);
|
|
|
|
void Client::Config::set_flags_for_version(GameVersion version, int64_t sub_version) {
|
|
this->set_flag(Flag::PROXY_CHAT_COMMANDS_ENABLED);
|
|
this->set_flag(Flag::PROXY_CHAT_FILTER_ENABLED);
|
|
|
|
switch (sub_version) {
|
|
case -1: // Initial check (before sub_version recognition)
|
|
switch (version) {
|
|
case GameVersion::DC:
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case GameVersion::GC:
|
|
break;
|
|
case GameVersion::XB:
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case GameVersion::PC:
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_CHECKSUM_ONLY);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case GameVersion::PATCH:
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::NO_SEND_FUNCTION_CALL);
|
|
break;
|
|
case GameVersion::BB:
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::SAVE_ENABLED);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
default:
|
|
throw logic_error("invalid game version");
|
|
}
|
|
break;
|
|
|
|
case 0x20: // DCNTE, possibly also DCv1 JP
|
|
case 0x21: // DCv1 US
|
|
this->set_flag(Flag::IS_DC_V1);
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::NO_SEND_FUNCTION_CALL);
|
|
// In the case of DCNTE, the IS_DC_TRIAL_EDITION flag is already set when
|
|
// we get here
|
|
break;
|
|
case 0x23: // DCv1 EU
|
|
this->set_flag(Flag::IS_DC_V1);
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::NO_SEND_FUNCTION_CALL);
|
|
break;
|
|
case 0x25: // DCv2 JP
|
|
case 0x26: // DCv2 US
|
|
case 0x28: // DCv2 EU
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case 0x29: // PC
|
|
this->set_flag(Flag::NO_D6);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_CHECKSUM_ONLY);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case 0x30: // GC Ep1&2 GameJam demo, GC Ep1&2 JP v1.02, at least one version of PSO XB
|
|
case 0x31: // GC Ep1&2 US v1.00, GC US v1.01, GC EU v1.00, GC JP v1.00
|
|
case 0x34: // GC Ep1&2 JP v1.03
|
|
// In the case of GC Trial Edition, the IS_GC_TRIAL_EDITION flag is
|
|
// already set when we get here (because the client has used V2 encryption
|
|
// instead of V3)
|
|
break;
|
|
case 0x32: // GC Ep1&2 EU 50Hz
|
|
case 0x33: // GC Ep1&2 EU 60Hz
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
break;
|
|
case 0x35: // GC Ep1&2 JP v1.04 (Plus)
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
this->set_flag(Flag::ENCRYPTED_SEND_FUNCTION_CALL);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case 0x36: // GC Ep1&2 US v1.02 (Plus)
|
|
case 0x39: // GC Ep1&2 JP v1.05 (Plus)
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
this->set_flag(Flag::NO_SEND_FUNCTION_CALL);
|
|
break;
|
|
case 0x40: // GC Ep3 JP and Trial Edition
|
|
// sub_version can't be used to tell JP final and Trial Edition apart; we
|
|
// instead look at header.flag in the 61 command.
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
this->set_flag(Flag::IS_EPISODE_3);
|
|
this->set_flag(Flag::ENCRYPTED_SEND_FUNCTION_CALL);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case 0x42: // Also GC Ep3 JP?
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
this->set_flag(Flag::IS_EPISODE_3);
|
|
this->set_flag(Flag::ENCRYPTED_SEND_FUNCTION_CALL);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case 0x41: // GC Ep3 US
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
this->set_flag(Flag::IS_EPISODE_3);
|
|
this->set_flag(Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL);
|
|
this->set_flag(Flag::SEND_FUNCTION_CALL_NO_CACHE_PATCH);
|
|
break;
|
|
case 0x43: // GC Ep3 EU
|
|
this->set_flag(Flag::NO_D6_AFTER_LOBBY);
|
|
this->set_flag(Flag::IS_EPISODE_3);
|
|
this->set_flag(Flag::NO_SEND_FUNCTION_CALL);
|
|
break;
|
|
default:
|
|
throw runtime_error(string_printf("unknown sub_version %" PRIX64, sub_version));
|
|
}
|
|
}
|
|
|
|
Client::Client(
|
|
shared_ptr<Server> server,
|
|
struct bufferevent* bev,
|
|
GameVersion version,
|
|
ServerBehavior server_behavior)
|
|
: server(server),
|
|
id(next_id++),
|
|
log(string_printf("[C-%" PRIX64 "] ", this->id), client_log.min_level),
|
|
channel(bev, version, 1, nullptr, nullptr, this, string_printf("C-%" PRIX64, this->id), TerminalFormat::FG_YELLOW, TerminalFormat::FG_GREEN),
|
|
server_behavior(server_behavior),
|
|
should_disconnect(false),
|
|
should_send_to_lobby_server(false),
|
|
should_send_to_proxy_server(false),
|
|
bb_connection_phase(0xFF),
|
|
x(0.0f),
|
|
z(0.0f),
|
|
area(0),
|
|
lobby_client_id(0),
|
|
lobby_arrow_color(0),
|
|
preferred_lobby_id(-1),
|
|
save_game_data_event(
|
|
event_new(
|
|
bufferevent_get_base(bev), -1, EV_TIMEOUT | EV_PERSIST,
|
|
&Client::dispatch_save_game_data, this),
|
|
event_free),
|
|
send_ping_event(
|
|
event_new(
|
|
bufferevent_get_base(bev), -1, EV_TIMEOUT,
|
|
&Client::dispatch_send_ping, this),
|
|
event_free),
|
|
idle_timeout_event(
|
|
event_new(
|
|
bufferevent_get_base(bev), -1, EV_TIMEOUT,
|
|
&Client::dispatch_idle_timeout, this),
|
|
event_free),
|
|
card_battle_table_number(-1),
|
|
card_battle_table_seat_number(0),
|
|
card_battle_table_seat_state(0),
|
|
next_exp_value(0),
|
|
can_chat(true),
|
|
pending_bb_save_player_index(0),
|
|
dol_base_addr(0) {
|
|
|
|
this->config.set_flags_for_version(version, -1);
|
|
this->config.specific_version = default_specific_version_for_version(version, -1);
|
|
|
|
this->last_switch_enabled_command.header.subcommand = 0;
|
|
memset(&this->next_connection_addr, 0, sizeof(this->next_connection_addr));
|
|
|
|
if (this->version() == GameVersion::BB) {
|
|
struct timeval tv = usecs_to_timeval(60000000); // 1 minute
|
|
event_add(this->save_game_data_event.get(), &tv);
|
|
}
|
|
this->reschedule_ping_and_timeout_events();
|
|
|
|
this->log.info("Created");
|
|
}
|
|
|
|
Client::~Client() {
|
|
if (!this->disconnect_hooks.empty()) {
|
|
this->log.warning("Disconnect hooks pending at client destruction time:");
|
|
for (const auto& it : this->disconnect_hooks) {
|
|
this->log.warning(" %s", it.first.c_str());
|
|
}
|
|
}
|
|
|
|
this->log.info("Deleted");
|
|
}
|
|
|
|
void Client::reschedule_ping_and_timeout_events() {
|
|
struct timeval ping_tv = usecs_to_timeval(30000000); // 30 seconds
|
|
event_add(this->send_ping_event.get(), &ping_tv);
|
|
struct timeval idle_tv = usecs_to_timeval(60000000); // 1 minute
|
|
event_add(this->idle_timeout_event.get(), &idle_tv);
|
|
}
|
|
|
|
QuestScriptVersion Client::quest_version() const {
|
|
switch (this->version()) {
|
|
case GameVersion::DC:
|
|
if (this->config.check_flag(Flag::IS_DC_TRIAL_EDITION)) {
|
|
return QuestScriptVersion::DC_NTE;
|
|
} else if (this->config.check_flag(Flag::IS_DC_V1)) {
|
|
return QuestScriptVersion::DC_V1;
|
|
} else {
|
|
return QuestScriptVersion::DC_V2;
|
|
}
|
|
case GameVersion::PC:
|
|
return QuestScriptVersion::PC_V2;
|
|
case GameVersion::GC:
|
|
if (this->config.check_flag(Flag::IS_GC_TRIAL_EDITION)) {
|
|
return QuestScriptVersion::GC_NTE;
|
|
} else if (this->config.check_flag(Flag::IS_EPISODE_3)) {
|
|
return QuestScriptVersion::GC_EP3;
|
|
} else {
|
|
return QuestScriptVersion::GC_V3;
|
|
}
|
|
case GameVersion::XB:
|
|
return QuestScriptVersion::XB_V3;
|
|
case GameVersion::BB:
|
|
return QuestScriptVersion::BB_V4;
|
|
default:
|
|
throw logic_error("client\'s game version does not have a quest version");
|
|
}
|
|
}
|
|
|
|
void Client::set_license(shared_ptr<License> l) {
|
|
this->license = l;
|
|
this->game_data.guild_card_number = this->license->serial_number;
|
|
if (this->version() == GameVersion::BB) {
|
|
this->game_data.bb_username = this->license->bb_username;
|
|
}
|
|
}
|
|
|
|
shared_ptr<ServerState> Client::require_server_state() const {
|
|
auto server = this->server.lock();
|
|
if (!server) {
|
|
throw logic_error("server is deleted");
|
|
}
|
|
return server->get_state();
|
|
}
|
|
|
|
shared_ptr<Lobby> Client::require_lobby() const {
|
|
auto l = this->lobby.lock();
|
|
if (!l) {
|
|
throw runtime_error("client not in any lobby");
|
|
}
|
|
return l;
|
|
}
|
|
|
|
void Client::dispatch_save_game_data(evutil_socket_t, short, void* ctx) {
|
|
reinterpret_cast<Client*>(ctx)->save_game_data();
|
|
}
|
|
|
|
void Client::save_game_data() {
|
|
if (this->version() != GameVersion::BB) {
|
|
throw logic_error("save_game_data called for non-BB client");
|
|
}
|
|
if (this->game_data.account(false)) {
|
|
this->game_data.save_account_data();
|
|
}
|
|
if (this->game_data.player(false)) {
|
|
this->game_data.save_player_data();
|
|
}
|
|
}
|
|
|
|
void Client::dispatch_send_ping(evutil_socket_t, short, void* ctx) {
|
|
reinterpret_cast<Client*>(ctx)->send_ping();
|
|
}
|
|
|
|
void Client::send_ping() {
|
|
if (this->version() != GameVersion::PATCH) {
|
|
this->log.info("Sending ping command");
|
|
// The game doesn't use this timestamp; we only use it for debugging purposes
|
|
be_uint64_t timestamp = now();
|
|
try {
|
|
this->channel.send(0x1D, 0x00, ×tamp, sizeof(be_uint64_t));
|
|
} catch (const exception& e) {
|
|
this->log.info("Failed to send ping: %s", e.what());
|
|
}
|
|
}
|
|
}
|
|
|
|
void Client::dispatch_idle_timeout(evutil_socket_t, short, void* ctx) {
|
|
reinterpret_cast<Client*>(ctx)->idle_timeout();
|
|
}
|
|
|
|
void Client::idle_timeout() {
|
|
this->log.info("Idle timeout expired");
|
|
auto s = this->server.lock();
|
|
if (s) {
|
|
auto c = this->shared_from_this();
|
|
s->disconnect_client(c);
|
|
} else {
|
|
this->log.info("Server is deleted; cannot disconnect client");
|
|
}
|
|
}
|