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3e74bde8803ee42a88e8ccc6cafa43f54f67d58a
psopeeps-newserv/src/ReceiveCommands.cc
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Martin Michelsen 3e74bde880 fix tests for Ep3 USA patch changes
2022-10-31 16:59:16 -07:00

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#include "ReceiveCommands.hh"
#include <inttypes.h>
#include <string.h>
#include <memory>
#include <phosg/Filesystem.hh>
#include <phosg/Hash.hh>
#include <phosg/Network.hh>
#include <phosg/Random.hh>
#include <phosg/Strings.hh>
#include <phosg/Time.hh>
#include "Loggers.hh"
#include "ChatCommands.hh"
#include "FileContentsCache.hh"
#include "ProxyServer.hh"
#include "PSOProtocol.hh"
#include "ReceiveSubcommands.hh"
#include "SendCommands.hh"
#include "StaticGameData.hh"
#include "Text.hh"
using namespace std;
vector<MenuItem> quest_categories_menu({
MenuItem(static_cast<uint32_t>(QuestCategory::RETRIEVAL), u"Retrieval", u"$E$C6Quests that involve\nretrieving an object", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::EXTERMINATION), u"Extermination", u"$E$C6Quests that involve\ndestroying all\nmonsters", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::EVENT), u"Events", u"$E$C6Quests that are part\nof an event", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::SHOP), u"Shops", u"$E$C6Quests that contain\nshops", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::VR), u"Virtual Reality", u"$E$C6Quests that are\ndone in a simulator", MenuItem::Flag::INVISIBLE_ON_DC | MenuItem::Flag::INVISIBLE_ON_PC),
MenuItem(static_cast<uint32_t>(QuestCategory::TOWER), u"Control Tower", u"$E$C6Quests that take\nplace at the Control\nTower", MenuItem::Flag::INVISIBLE_ON_DC | MenuItem::Flag::INVISIBLE_ON_PC),
});
vector<MenuItem> quest_battle_menu({
MenuItem(static_cast<uint32_t>(QuestCategory::BATTLE), u"Battle", u"$E$C6Battle mode rule\nsets", 0),
});
vector<MenuItem> quest_challenge_menu({
MenuItem(static_cast<uint32_t>(QuestCategory::CHALLENGE), u"Challenge", u"$E$C6Challenge mode\nquests", 0),
});
vector<MenuItem> quest_solo_menu({
MenuItem(static_cast<uint32_t>(QuestCategory::SOLO), u"Solo Quests", u"$E$C6Quests that require\na single player", 0),
});
vector<MenuItem> quest_government_menu({
MenuItem(static_cast<uint32_t>(QuestCategory::GOVERNMENT_EPISODE_1), u"Hero in Red",u"$E$CG-Red Ring Rico-\n$C6Quests that follow\nthe Episode 1\nstoryline", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::GOVERNMENT_EPISODE_2), u"The Military's Hero",u"$E$CG-Heathcliff Flowen-\n$C6Quests that follow\nthe Episode 2\nstoryline", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::GOVERNMENT_EPISODE_4), u"The Meteor Impact Incident", u"$E$C6Quests that follow\nthe Episode 4\nstoryline", 0),
});
vector<MenuItem> quest_download_menu({
MenuItem(static_cast<uint32_t>(QuestCategory::RETRIEVAL), u"Retrieval", u"$E$C6Quests that involve\nretrieving an object", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::EXTERMINATION), u"Extermination", u"$E$C6Quests that involve\ndestroying all\nmonsters", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::EVENT), u"Events", u"$E$C6Quests that are part\nof an event", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::SHOP), u"Shops", u"$E$C6Quests that contain\nshops", 0),
MenuItem(static_cast<uint32_t>(QuestCategory::VR), u"Virtual Reality", u"$E$C6Quests that are\ndone in a simulator", MenuItem::Flag::INVISIBLE_ON_DC | MenuItem::Flag::INVISIBLE_ON_PC),
MenuItem(static_cast<uint32_t>(QuestCategory::TOWER), u"Control Tower", u"$E$C6Quests that take\nplace at the Control\nTower", MenuItem::Flag::INVISIBLE_ON_DC | MenuItem::Flag::INVISIBLE_ON_PC),
MenuItem(static_cast<uint32_t>(QuestCategory::DOWNLOAD), u"Download", u"$E$C6Quests to download\nto your Memory Card", 0),
});
static const unordered_map<uint32_t, const char16_t*> proxy_options_menu_descriptions({
{ProxyOptionsMenuItemID::GO_BACK, u"Return to the\nproxy menu"},
{ProxyOptionsMenuItemID::INFINITE_HP, u"If enabled, the proxy\nwill restore your HP\nwhen you are hit by\nan enemy or trap,\nbut cannot revive\nyou from one-hit\nkills"},
{ProxyOptionsMenuItemID::INFINITE_TP, u"If enabled, the proxy\nwill restore your TP\nwhen you cast any\ntechnique"},
{ProxyOptionsMenuItemID::SWITCH_ASSIST, u"If enabled, the proxy\nwill attempt to\nunlock 2-player\ndoors when you step\non both switches\nsequentially"},
{ProxyOptionsMenuItemID::BLOCK_EVENTS, u"If enabled, seasonal\nevents in the lobby\nand in games are\ndisabled."},
{ProxyOptionsMenuItemID::BLOCK_PATCHES, u"If enabled, patches\nsent by the remote\nserver are blocked."},
{ProxyOptionsMenuItemID::SAVE_FILES, u"If enabled, the proxy\nwill save local\ncopies of files from\nthe remote server\n(quests, etc.)"},
{ProxyOptionsMenuItemID::SUPPRESS_LOGIN, u"If enabled, the proxy\nwill use an alternate\nlogin sequence"},
{ProxyOptionsMenuItemID::SKIP_CARD, u"If enabled, the proxy\nwill use an alternate\nvalue for your initial\nGuild Card"},
});
static vector<MenuItem> proxy_options_menu_for_client(
shared_ptr<const Client> c) {
vector<MenuItem> ret;
// Note: The descriptions are instead in the map above, because this menu is
// dynamically created every time it's sent to the client. This is just one
// way in which the menu abstraction is currently insufficient (there is a
// TODO about this in README.md).
ret.emplace_back(ProxyOptionsMenuItemID::GO_BACK, u"Go back", u"", 0);
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
ret.emplace_back(ProxyOptionsMenuItemID::INFINITE_HP,
c->infinite_hp ? u"Infinite HP ON" : u"Infinite HP OFF", u"", 0);
ret.emplace_back(ProxyOptionsMenuItemID::INFINITE_TP,
c->infinite_tp ? u"Infinite TP ON" : u"Infinite TP OFF", u"", 0);
ret.emplace_back(ProxyOptionsMenuItemID::SWITCH_ASSIST,
c->switch_assist ? u"Switch assist ON" : u"Switch assist OFF", u"", 0);
}
ret.emplace_back(ProxyOptionsMenuItemID::BLOCK_EVENTS,
c->proxy_block_events ? u"Block events ON" : u"Block events OFF", u"", 0);
ret.emplace_back(ProxyOptionsMenuItemID::BLOCK_PATCHES,
c->proxy_block_function_calls ? u"Block patches ON" : u"Block patches OFF", u"", 0);
ret.emplace_back(ProxyOptionsMenuItemID::SAVE_FILES,
c->proxy_save_files ? u"Save files ON" : u"Save files OFF", u"", 0);
ret.emplace_back(ProxyOptionsMenuItemID::SUPPRESS_LOGIN,
c->proxy_suppress_remote_login ? u"Skip login ON" : u"Skip login OFF", u"", 0);
ret.emplace_back(ProxyOptionsMenuItemID::SKIP_CARD,
c->proxy_zero_remote_guild_card ? u"Skip card ON" : u"Skip card OFF", u"", 0);
return ret;
}
static void send_client_to_lobby_server(shared_ptr<ServerState> s, shared_ptr<Client> c) {
static const vector<string> version_to_port_name({
"bb-lobby", "console-lobby", "pc-lobby", "console-lobby", "console-lobby", "bb-lobby"});
const auto& port_name = version_to_port_name.at(static_cast<size_t>(c->version()));
send_reconnect(c, s->connect_address_for_client(c),
s->name_to_port_config.at(port_name)->port);
}
static void send_client_to_proxy_server(shared_ptr<ServerState> s, shared_ptr<Client> c) {
static const vector<string> version_to_port_name({
"", "dc-proxy", "pc-proxy", "gc-proxy", "xb-proxy", "bb-proxy"});
const auto& port_name = version_to_port_name.at(static_cast<size_t>(c->version()));
uint16_t local_port = s->name_to_port_config.at(port_name)->port;
s->proxy_server->delete_session(c->license->serial_number);
auto session = s->proxy_server->create_licensed_session(
c->license, local_port, c->version(), c->export_config_bb());
session->infinite_hp = c->infinite_hp;
session->infinite_tp = c->infinite_tp;
session->switch_assist = c->switch_assist;
session->save_files = c->proxy_save_files;
session->suppress_remote_login = c->proxy_suppress_remote_login;
if (c->proxy_block_events) {
session->override_lobby_event = 0;
}
if (c->proxy_block_function_calls) {
session->function_call_return_value = 0xFFFFFFFF;
}
if (c->proxy_zero_remote_guild_card) {
session->remote_guild_card_number = 0;
} else {
try {
string key = string_printf("proxy_remote_guild_card_number:%" PRIX32, c->license->serial_number);
const auto& entry = client_options_cache.get_or_throw(key);
session->remote_guild_card_number = stoul(entry->data, nullptr, 10);
} catch (const out_of_range&) { }
}
send_reconnect(c, s->connect_address_for_client(c), local_port);
}
static void send_proxy_destinations_menu(shared_ptr<ServerState> s, shared_ptr<Client> c) {
send_menu(c, u"Proxy server", MenuID::PROXY_DESTINATIONS,
s->proxy_destinations_menu_for_version(c->version()));
try {
string key = string_printf("proxy_remote_guild_card_number:%" PRIX32, c->license->serial_number);
const auto& entry = client_options_cache.get_or_throw(key);
uint32_t proxy_remote_guild_card_number = stoul(entry->data, nullptr, 10);
string info_str = string_printf("Your remote Guild\nCard number is\noverridden as\n$C6%" PRIu32, proxy_remote_guild_card_number);
send_ship_info(c, decode_sjis(info_str));
} catch (const out_of_range&) { }
}
static bool send_enable_send_function_call_if_applicable(
shared_ptr<ServerState> s, shared_ptr<Client> c) {
if (c->flags & Client::Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL) {
if (s->episode_3_send_function_call_enabled) {
send_quest_buffer_overflow(s, c);
} else {
c->flags |= Client::Flag::NO_SEND_FUNCTION_CALL;
}
c->flags &= ~Client::Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL;
return true;
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
void on_connect(std::shared_ptr<ServerState> s, std::shared_ptr<Client> c) {
switch (c->server_behavior) {
case ServerBehavior::PC_CONSOLE_DETECT: {
uint16_t pc_port = s->name_to_port_config.at("pc-login")->port;
uint16_t console_port = s->name_to_port_config.at("console-login")->port;
send_pc_console_split_reconnect(c, s->connect_address_for_client(c), pc_port, console_port);
c->should_disconnect = true;
break;
}
case ServerBehavior::LOGIN_SERVER:
send_server_init(s, c, SendServerInitFlag::IS_INITIAL_CONNECTION);
break;
case ServerBehavior::PATCH_SERVER_BB:
c->flags |= Client::Flag::IS_BB_PATCH;
send_server_init(s, c, 0);
break;
case ServerBehavior::PATCH_SERVER_PC:
case ServerBehavior::DATA_SERVER_BB:
case ServerBehavior::LOBBY_SERVER:
send_server_init(s, c, 0);
break;
default:
c->log.error("Unimplemented behavior: %" PRId64,
static_cast<int64_t>(c->server_behavior));
}
}
void on_login_complete(shared_ptr<ServerState> s, shared_ptr<Client> c) {
// On the BB data server, this function is called only on the last connection
// (when we should send the ship select menu).
if ((c->server_behavior == ServerBehavior::LOGIN_SERVER) ||
(c->server_behavior == ServerBehavior::DATA_SERVER_BB)) {
// On the login server, send the events/songs, ep3 updates, and the main
// menu or welcome message
if (c->flags & Client::Flag::IS_EPISODE_3) {
if (s->ep3_menu_song >= 0) {
send_ep3_change_music(c, s->ep3_menu_song);
} else if (s->pre_lobby_event) {
send_change_event(c, s->pre_lobby_event);
}
send_ep3_card_list_update(s, c);
send_ep3_rank_update(c);
} else if (s->pre_lobby_event) {
send_change_event(c, s->pre_lobby_event);
}
if (s->welcome_message.empty() ||
(c->flags & Client::Flag::NO_D6) ||
!(c->flags & Client::Flag::AT_WELCOME_MESSAGE)) {
c->flags &= ~Client::Flag::AT_WELCOME_MESSAGE;
if (send_enable_send_function_call_if_applicable(s, c)) {
send_update_client_config(c);
}
send_menu(c, s->name.c_str(), MenuID::MAIN, s->main_menu);
} else {
send_message_box(c, s->welcome_message.c_str());
}
} else if (c->server_behavior == ServerBehavior::LOBBY_SERVER) {
if (c->version() == GameVersion::BB) {
// This implicitly loads the client's account and player data
send_complete_player_bb(c);
c->game_data.should_update_play_time = true;
}
send_lobby_list(c, s);
send_get_player_info(c);
}
}
void on_disconnect(shared_ptr<ServerState> s, shared_ptr<Client> c) {
// If the client was in a lobby, remove them and notify the other clients
if (c->lobby_id) {
s->remove_client_from_lobby(c);
}
// TODO: Track play time somewhere for BB players
// c->game_data.player()->disp.play_time += ((now() - c->play_time_begin) / 1000000);
// Note: The client's GameData destructor should save their player data
// shortly after this point
}
////////////////////////////////////////////////////////////////////////////////
static void set_console_client_flags(
shared_ptr<Client> c, uint32_t sub_version) {
if (c->channel.crypt_in->type() == PSOEncryption::Type::V2) {
if (sub_version < 0x28) {
c->channel.version = GameVersion::DC;
c->log.info("Game version changed to DC");
} else if (c->version() == GameVersion::GC) {
c->flags |= Client::Flag::IS_TRIAL_EDITION;
c->log.info("Trial edition flag set");
}
}
c->flags |= flags_for_version(c->version(), sub_version);
}
static void on_verify_license_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // DB
const auto& cmd = check_size_t<C_VerifyLicense_V3_DB>(data);
if (c->channel.crypt_in->type() == PSOEncryption::Type::V2) {
throw runtime_error("GC trial edition client sent V3 verify license command");
}
set_console_client_flags(c, cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
auto l = s->license_manager->verify_gc(serial_number, cmd.access_key,
cmd.password);
c->set_license(l);
send_command(c, 0x9A, 0x02);
} catch (const incorrect_access_key& e) {
send_command(c, 0x9A, 0x03);
c->should_disconnect = true;
return;
} catch (const incorrect_password& e) {
send_command(c, 0x9A, 0x07);
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
send_command(c, 0x9A, 0x04);
c->should_disconnect = true;
return;
} else {
auto l = LicenseManager::create_license_gc(serial_number, cmd.access_key,
cmd.password, true);
s->license_manager->add(l);
c->set_license(l);
send_command(c, 0x9A, 0x02);
}
}
}
static void on_login_8_dcnte(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 88
const auto& cmd = check_size_t<C_Login_DCNTE_88>(data);
c->channel.version = GameVersion::DC;
c->flags |= flags_for_version(c->version(), -1);
c->flags |= Client::Flag::IS_DC_V1 | Client::Flag::IS_TRIAL_EDITION;
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<const License> l = s->license_manager->verify_pc(
serial_number, cmd.access_key);
c->set_license(l);
send_command(c, 0x88, 0x00);
} catch (const incorrect_access_key& e) {
send_message_box(c, u"Incorrect access key");
c->should_disconnect = true;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
send_message_box(c, u"Incorrect serial number");
c->should_disconnect = true;
} else {
auto l = LicenseManager::create_license_pc(
serial_number, cmd.access_key, true);
s->license_manager->add(l);
c->set_license(l);
send_command(c, 0x88, 0x00);
}
}
}
static void on_login_b_dcnte(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 8B
const auto& cmd = check_size_t<C_Login_DCNTE_8B>(data,
sizeof(C_Login_DCNTE_8B), sizeof(C_LoginExtended_DCNTE_8B));
c->channel.version = GameVersion::DC;
c->flags |= flags_for_version(c->version(), -1);
c->flags |= Client::Flag::IS_DC_V1 | Client::Flag::IS_TRIAL_EDITION;
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<const License> l = s->license_manager->verify_pc(
serial_number, cmd.access_key);
c->set_license(l);
// send_command(c, 0x8B, 0x01);
} catch (const incorrect_access_key& e) {
send_message_box(c, u"Incorrect access key");
c->should_disconnect = true;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
send_message_box(c, u"Incorrect serial number");
c->should_disconnect = true;
} else {
auto l = LicenseManager::create_license_pc(
serial_number, cmd.access_key, true);
s->license_manager->add(l);
c->set_license(l);
// send_command(c, 0x8B, 0x01);
}
}
if (cmd.is_extended) {
const auto& ext_cmd = check_size_t<C_LoginExtended_DCNTE_8B>(data);
if (ext_cmd.extension.menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = ext_cmd.extension.lobby_id;
}
}
if (!c->should_disconnect) {
send_update_client_config(c);
on_login_complete(s, c);
}
}
static void on_login_0_dc_pc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 90
const auto& cmd = check_size_t<C_LoginV1_DC_PC_V3_90>(data);
c->channel.version = GameVersion::DC;
c->flags |= flags_for_version(c->version(), -1);
c->flags |= Client::Flag::IS_DC_V1;
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<const License> l = s->license_manager->verify_pc(
serial_number, cmd.access_key);
c->set_license(l);
send_command(c, 0x90, 0x02);
} catch (const incorrect_access_key& e) {
send_command(c, 0x90, 0x03);
c->should_disconnect = true;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
send_command(c, 0x90, 0x03);
c->should_disconnect = true;
} else {
auto l = LicenseManager::create_license_pc(
serial_number, cmd.access_key, true);
s->license_manager->add(l);
c->set_license(l);
send_command(c, 0x90, 0x01);
}
}
}
static void on_login_2_dc(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 92
check_size_t<C_RegisterV1_DC_92>(data);
send_command(c, 0x92, 0x01);
}
static void on_login_3_dc_pc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 93
const auto& cmd = check_size_t<C_LoginV1_DC_93>(data,
sizeof(C_LoginV1_DC_93), sizeof(C_LoginExtendedV1_DC_93));
set_console_client_flags(c, cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<const License> l = s->license_manager->verify_pc(
serial_number, cmd.access_key);
c->set_license(l);
} catch (const incorrect_access_key& e) {
send_message_box(c, u"Incorrect access key");
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
send_message_box(c, u"Incorrect serial number");
c->should_disconnect = true;
return;
} else {
auto l = LicenseManager::create_license_pc(
serial_number, cmd.access_key, true);
s->license_manager->add(l);
c->set_license(l);
}
}
if (cmd.is_extended) {
const auto& ext_cmd = check_size_t<C_LoginExtendedV1_DC_93>(data);
if (ext_cmd.extension.menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = ext_cmd.extension.lobby_id;
}
}
send_update_client_config(c);
on_login_complete(s, c);
}
static void on_login_a_dc_pc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 9A
const auto& cmd = check_size_t<C_Login_DC_PC_V3_9A>(data);
set_console_client_flags(c, cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<const License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = s->license_manager->verify_pc(serial_number, cmd.access_key);
break;
case GameVersion::GC:
l = s->license_manager->verify_gc(serial_number, cmd.access_key);
break;
case GameVersion::XB:
throw runtime_error("xbox licenses are not implemented");
break;
default:
throw logic_error("unsupported versioned command");
}
c->set_license(l);
send_command(c, 0x9A, 0x02);
} catch (const incorrect_access_key& e) {
send_command(c, 0x9A, 0x03);
c->should_disconnect = true;
return;
} catch (const incorrect_password& e) {
send_command(c, 0x9A, 0x07);
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
// On V3, the client should have sent a different command containing the
// password already, which should have created and added a temporary
// license. So, if no license exists at this point, disconnect the client
// even if unregistered clients are allowed.
shared_ptr<License> l;
if ((c->version() == GameVersion::GC) || (c->version() == GameVersion::XB)) {
send_command(c, 0x9A, 0x04);
c->should_disconnect = true;
return;
} else if ((c->version() == GameVersion::DC) || (c->version() == GameVersion::PC)) {
l = LicenseManager::create_license_pc(serial_number, cmd.access_key, true);
s->license_manager->add(l);
c->set_license(l);
send_command(c, 0x9A, 0x02);
} else {
throw runtime_error("unsupported game version");
}
}
}
static void on_login_c_dc_pc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 9C
const auto& cmd = check_size_t<C_Register_DC_PC_V3_9C>(data);
c->flags |= flags_for_version(c->version(), cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<const License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = s->license_manager->verify_pc(serial_number, cmd.access_key);
break;
case GameVersion::GC:
l = s->license_manager->verify_gc(serial_number, cmd.access_key,
cmd.password);
break;
case GameVersion::XB:
throw runtime_error("xbox licenses are not implemented");
break;
default:
throw logic_error("unsupported versioned command");
}
c->set_license(l);
send_command(c, 0x9C, 0x01);
} catch (const incorrect_password& e) {
send_command(c, 0x9C, 0x00);
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
send_command(c, 0x9C, 0x00);
c->should_disconnect = true;
return;
} else {
shared_ptr<License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = LicenseManager::create_license_pc(serial_number, cmd.access_key,
true);
break;
case GameVersion::GC:
l = LicenseManager::create_license_gc(serial_number, cmd.access_key,
cmd.password, true);
break;
case GameVersion::XB:
throw runtime_error("xbox licenses are not implemented");
break;
default:
throw logic_error("unsupported versioned command");
}
s->license_manager->add(l);
c->set_license(l);
send_command(c, 0x9C, 0x01);
}
}
}
static void on_login_d_e_dc_pc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t, const string& data) { // 9D 9E
const C_Login_DC_PC_GC_9D* base_cmd;
if (command == 0x9D) {
base_cmd = &check_size_t<C_Login_DC_PC_GC_9D>(data,
sizeof(C_Login_DC_PC_GC_9D), sizeof(C_LoginExtended_PC_9D));
if (base_cmd->is_extended) {
if (c->version() == GameVersion::PC) {
const auto& cmd = check_size_t<C_LoginExtended_PC_9D>(data);
if (cmd.extension.menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.extension.lobby_id;
}
} else {
const auto& cmd = check_size_t<C_LoginExtended_DC_GC_9D>(data);
if (cmd.extension.menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.extension.lobby_id;
}
}
}
} else if (command == 0x9E) {
// GC and XB send different amounts of data in this command. This is how
// newserv determines if a V3 client is GC or XB.
const auto& cmd = check_size_t<C_Login_GC_9E>(data,
sizeof(C_Login_GC_9E), sizeof(C_LoginExtended_XB_9E));
switch (data.size()) {
case sizeof(C_Login_GC_9E):
case sizeof(C_LoginExtended_GC_9E):
break;
case sizeof(C_Login_XB_9E):
case sizeof(C_LoginExtended_XB_9E):
c->channel.version = GameVersion::XB;
c->log.info("Game version set to XB");
break;
default:
throw runtime_error("invalid size for 9E command");
}
base_cmd = &cmd;
if (cmd.is_extended) {
const auto& cmd = check_size_t<C_LoginExtended_GC_9E>(data);
if (cmd.extension.menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.extension.lobby_id;
}
}
try {
c->import_config(cmd.client_config.cfg);
} catch (const invalid_argument&) {
// If we can't import the config, assume that the client was not connected
// to newserv before, so we should show the welcome message.
c->flags |= Client::Flag::AT_WELCOME_MESSAGE;
c->bb_game_state = ClientStateBB::INITIAL_LOGIN;
c->game_data.bb_player_index = 0;
}
} else {
throw logic_error("9D/9E handler called for incorrect command");
}
set_console_client_flags(c, base_cmd->sub_version);
// See system/ppc/Episode3USAQuestBufferOverflow.s for where this value gets
// set. We use this to determine if the client has already run the code or
// not; sending it again when the client has already run it will likely cause
// the client to crash.
if (base_cmd->unused1 == 0x5F5CA297) {
c->flags &= ~(Client::Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL | Client::Flag::NO_SEND_FUNCTION_CALL);
} else if (!s->episode_3_send_function_call_enabled &&
(c->flags & Client::Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL)) {
c->flags &= ~Client::Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL;
c->flags |= Client::Flag::NO_SEND_FUNCTION_CALL;
}
uint32_t serial_number = stoul(base_cmd->serial_number, nullptr, 16);
try {
shared_ptr<const License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = s->license_manager->verify_pc(serial_number, base_cmd->access_key);
break;
case GameVersion::GC:
l = s->license_manager->verify_gc(serial_number, base_cmd->access_key);
break;
case GameVersion::XB:
throw runtime_error("xbox licenses are not implemented");
break;
default:
throw logic_error("unsupported versioned command");
}
c->set_license(l);
} catch (const incorrect_access_key& e) {
send_command(c, 0x04, 0x03);
c->should_disconnect = true;
return;
} catch (const incorrect_password& e) {
send_command(c, 0x04, 0x06);
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
// On V3, the client should have sent a different command containing the
// password already, which should have created and added a temporary
// license. So, if no license exists at this point, disconnect the client
// even if unregistered clients are allowed.
shared_ptr<License> l;
if ((c->version() == GameVersion::GC) || (c->version() == GameVersion::XB)) {
send_command(c, 0x04, 0x04);
c->should_disconnect = true;
return;
} else if ((c->version() == GameVersion::DC) || (c->version() == GameVersion::PC)) {
l = LicenseManager::create_license_pc(serial_number, base_cmd->access_key, true);
s->license_manager->add(l);
c->set_license(l);
} else {
throw runtime_error("unsupported game version");
}
}
send_update_client_config(c);
on_login_complete(s, c);
}
static void on_login_bb(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 93
const auto& cmd = check_size_t<C_Login_BB_93>(data,
sizeof(C_Login_BB_93) - 8, sizeof(C_Login_BB_93));
bool is_old_format;
if (data.size() == sizeof(C_Login_BB_93) - 8) {
is_old_format = true;
} else if (data.size() == sizeof(C_Login_BB_93)) {
is_old_format = false;
} else {
throw runtime_error("invalid size for 93 command");
}
c->flags |= flags_for_version(c->version(), -1);
try {
auto l = s->license_manager->verify_bb(cmd.username, cmd.password);
c->set_license(l);
} catch (const incorrect_password& e) {
u16string message = u"Login failed: " + decode_sjis(e.what());
send_message_box(c, message.c_str());
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
u16string message = u"Login failed: " + decode_sjis(e.what());
send_message_box(c, message.c_str());
c->should_disconnect = true;
return;
} else {
shared_ptr<License> l = LicenseManager::create_license_bb(
fnv1a32(cmd.username) & 0x7FFFFFFF, cmd.username, cmd.password, true);
s->license_manager->add(l);
c->set_license(l);
}
}
try {
if (is_old_format) {
c->import_config(cmd.var.old_clients_cfg.cfg);
} else {
c->import_config(cmd.var.new_clients.cfg.cfg);
}
if (c->bb_game_state < ClientStateBB::IN_GAME) {
c->bb_game_state++;
}
} catch (const invalid_argument&) {
c->bb_game_state = ClientStateBB::INITIAL_LOGIN;
c->game_data.bb_player_index = 0;
}
if (cmd.menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.preferred_lobby_id;
}
send_client_init_bb(c, 0);
switch (c->bb_game_state) {
case ClientStateBB::INITIAL_LOGIN:
// On first login, send the client to the data server port
send_reconnect(c, s->connect_address_for_client(c),
s->name_to_port_config.at("bb-data1")->port);
break;
case ClientStateBB::DOWNLOAD_DATA:
case ClientStateBB::CHOOSE_PLAYER:
case ClientStateBB::SAVE_PLAYER:
// Just wait in these cases; the client will request something from us and
// the command handlers will take care of it
break;
case ClientStateBB::SHIP_SELECT:
on_login_complete(s, c);
break;
case ClientStateBB::IN_GAME:
break;
default:
throw runtime_error("invalid bb game state");
}
}
static void on_return_client_config(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 9F
if (c->version() == GameVersion::BB) {
const auto& cfg = check_size_t<ClientConfigBB>(data);
c->import_config(cfg);
} else {
const auto& cfg = check_size_t<ClientConfig>(data);
c->import_config(cfg);
}
}
static void on_client_checksum(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 96
check_size_t<C_CharSaveInfo_V3_BB_96>(data);
send_server_time(c);
}
static void on_server_time_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // B1
check_size_v(data.size(), 0);
send_server_time(c);
// The B1 command is sent in response to a 97 command, which is normally part
// of the pre-ship-select login sequence. However, newserv delays this until
// after the ship select menu so that loading a GameCube program doesn't cause
// the player's items to be deleted when they next play PSO. It's also not a
// good idea to send a 97 and 19 at the same time, because the memory card and
// BBA are on the same EXI bus on the GameCube and this seems to cause the SYN
// packet after a 19 to get dropped pretty often, which causes a delay in
// joining the lobby. This is why we delay the 19 command until the client
// responds after saving.
if (c->should_send_to_lobby_server) {
send_client_to_lobby_server(s, c);
} else if (c->should_send_to_proxy_server) {
send_client_to_proxy_server(s, c);
}
}
static void on_ep3_meseta_transaction(shared_ptr<ServerState>,
shared_ptr<Client> c, uint16_t command, uint32_t, const string& data) {
const auto& in_cmd = check_size_t<C_Meseta_GC_Ep3_BA>(data);
S_Meseta_GC_Ep3_BA out_cmd = {1000000, 1000000, in_cmd.request_token};
send_command(c, command, 0x03, &out_cmd, sizeof(out_cmd));
}
static void on_ep3_battle_table_state(shared_ptr<ServerState> s,
shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) { // E4
const auto& cmd = check_size_t<C_CardBattleTableState_GC_Ep3_E4>(data);
auto l = s->find_lobby(c->lobby_id);
if (l->is_game() || !(l->flags & Lobby::Flag::EPISODE_3_ONLY)) {
throw runtime_error("battle table command sent in non-CARD lobby");
}
if (flag) {
c->card_battle_table_number = cmd.table_number;
c->card_battle_table_seat_number = cmd.seat_number;
} else {
c->card_battle_table_number = -1;
c->card_battle_table_seat_number = 0;
}
send_ep3_card_battle_table_state(l, c->card_battle_table_number);
// TODO: If a client disconnects while at the battle table, we need to send
// a table update to all the other clients at the table (if any). Use a
// disconnect hook for this.
}
static void on_ep3_battle_table_confirm(shared_ptr<ServerState> s,
shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) { // E4
check_size_t<S_CardBattleTableConfirmation_GC_Ep3_E5>(data);
auto l = s->find_lobby(c->lobby_id);
if (l->is_game() || !(l->flags & Lobby::Flag::EPISODE_3_ONLY)) {
throw runtime_error("battle table command sent in non-CARD lobby");
}
if (flag) {
// TODO
send_lobby_message_box(c, u"CARD battles are\nnot yet supported.");
}
}
static void on_ep3_counter_state(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t flag, const string& data) { // DC
check_size_v(data.size(), 0);
if (flag != 0) {
send_command(c, 0xDC, 0x00);
}
}
static void on_ep3_server_data_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // CA
auto l = s->find_lobby(c->lobby_id);
if (!l || !(l->flags & Lobby::Flag::EPISODE_3_ONLY) || !l->is_game()) {
throw runtime_error("Episode 3 server data request sent in lobby or non-Episode 3 game");
}
const auto& header = check_size_t<G_CardBattleCommandHeader_GC_Ep3_6xB3_6xB4_6xB5>(
data, sizeof(G_CardBattleCommandHeader_GC_Ep3_6xB3_6xB4_6xB5), 0xFFFF);
// TODO: We can support this since set_mask_for_ep3_game_command already
// exists; I just don't want to make a copy of the data string
if (header.mask_key != 0) {
throw runtime_error("Episode 3 server data request has nonzero mask key");
}
if (header.basic_header.subcommand != 0xB3) {
throw runtime_error("unknown Episode 3 server data request");
}
switch (header.subsubcommand) {
// Phase 1: map select
case 0x40:
check_size_t<G_MapListRequest_GC_Ep3_6xB3x40_CAx40>(data);
send_ep3_map_list(s, l);
break;
case 0x41: {
const auto& cmd = check_size_t<G_MapDataRequest_GC_Ep3_6xB3x41_CAx41>(data);
send_ep3_map_data(s, l, cmd.map_number);
break;
}
/* What follows is some raw code that has survived since the days of khyller
* (approx. 2004). Much more research and engineering is needed to get
* Episode III battles to work, but this could be used as a starting point.
// phase 2: deck/name entry
case 0x13:
ti = FindTeam(s, c->teamID);
memcpy(&ti->ep3game, ((DWORD)c->bufferin + 0x14), 0x2AC);
CommandEp3InitChangeState(s, c, 1);
break;
case 0x1B:
ti = FindTeam(s, c->teamID);
memcpy(&ti->ep3names[*(BYTE*)((DWORD)c->bufferin + 0x24)], ((DWORD)c->bufferin + 0x14), 0x14); // NOTICE: may be 0x26 instead of 0x24
CommandEp3InitSendNames(s, c);
break;
case 0x14:
ti = FindTeam(s, c->teamID);
memcpy(&ti->ep3decks[*(BYTE*)((DWORD)c->bufferin + 0x14)], ((DWORD)c->bufferin + 0x18), 0x58); // NOTICE: may be 0x16 instead of 0x14
Ep3FillHand(&ti->ep3game, &ti->ep3decks[*(BYTE*)((DWORD)c->bufferin + 0x14)], &ti->ep3pcs[*(BYTE*)((DWORD)c->bufferin + 0x14)]);
//Ep3RollDice(&ti->ep3game, &ti->ep3pcs[*(BYTE*)((DWORD)c->bufferin + 0x14)]);
CommandEp3InitSendDecks(s, c);
CommandEp3InitSendMapLayout(s, c);
for (x = 0, param = 0; x < 4; x++) if ((ti->ep3decks[x].clientID != 0xFFFFFFFF) && (ti->ep3names[x].clientID != 0xFF)) param++;
if (param >= ti->ep3game.numPlayers) CommandEp3InitChangeState(s, c, 3);
break;
// phase 3: hands & game states
case 0x1D:
ti = FindTeam(s, c->teamID);
Ep3ReprocessMap(&ti->ep3game);
CommandEp3SendMapData(s, c, ti->ep3game.mapID);
for (y = 0, x = 0; x < 4; x++)
{
if ((ti->ep3decks[x].clientID == 0xFFFFFFFF) || (ti->ep3names[x].clientID == 0xFF)) continue;
Ep3EquipCard(&ti->ep3game, &ti->ep3decks[x], &ti->ep3pcs[x], 0); // equip SC card
CommandEp3InitHandUpdate(s, c, x);
CommandEp3InitStatUpdate(s, c, x);
y++;
}
CommandEp3Init_B4_06(s, c, (y == 4) ? true : false);
CommandEp3InitSendMapLayout(s, c);
for (x = 0; x < 4; x++)
{
if ((ti->ep3decks[x].clientID == 0xFFFFFFFF) || (ti->ep3names[x].clientID == 0xFF)) continue;
CommandEp3Init_B4_4E(s, c, x);
CommandEp3Init_B4_4C(s, c, x);
CommandEp3Init_B4_4D(s, c, x);
CommandEp3Init_B4_4F(s, c, x);
}
CommandEp3InitSendDecks(s, c);
CommandEp3InitSendMapLayout(s, c);
for (x = 0; x < 4; x++)
{
if ((ti->ep3decks[x].clientID == 0xFFFFFFFF) || (ti->ep3names[x].clientID == 0xFF)) continue;
CommandEp3InitHandUpdate(s, c, x);
}
CommandEp3InitSendNames(s, c);
CommandEp3InitChangeState(s, c, 4);
CommandEp3Init_B4_50(s, c);
CommandEp3InitSendMapLayout(s, c);
CommandEp3Init_B4_39(s, c); // MISSING: 60 00 AC 00 B4 2A 00 00 39 56 00 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
CommandEp3InitBegin(s, c);
break; */
default:
c->log.warning("Unknown Episode III server data request: %02X",
header.subsubcommand);
}
}
static void on_ep3_tournament_control(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string&) { // E2
// The client will set their interaction mode expecting a menu to be sent, but
// since we don't implement tournaments, they will get stuck here unless we
// send something. An 01 (lobby message box) seems to work fine.
send_lobby_message_box(c, u"$C6Tournaments are\nnot supported.");
}
static void on_message_box_closed(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D6
check_size_v(data.size(), 0);
if (c->flags & Client::Flag::IN_INFORMATION_MENU) {
send_menu(c, u"Information", MenuID::INFORMATION,
*s->information_menu_for_version(c->version()));
} else if (c->flags & Client::Flag::AT_WELCOME_MESSAGE) {
send_enable_send_function_call_if_applicable(s, c);
c->flags &= ~Client::Flag::AT_WELCOME_MESSAGE;
send_update_client_config(c);
send_menu(c, s->name.c_str(), MenuID::MAIN, s->main_menu);
}
}
static void on_menu_item_info_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 09
const auto& cmd = check_size_t<C_MenuItemInfoRequest_09>(data);
switch (cmd.menu_id) {
case MenuID::MAIN:
for (const auto& item : s->main_menu) {
if (item.item_id == cmd.item_id) {
send_ship_info(c, item.description);
}
}
break;
case MenuID::INFORMATION:
if (cmd.item_id == InformationMenuItemID::GO_BACK) {
send_ship_info(c, u"Return to the\nmain menu.");
} else {
try {
// We use item_id + 1 here because "go back" is the first item
send_ship_info(c, s->information_menu_for_version(c->version())->at(cmd.item_id + 1).description.c_str());
} catch (const out_of_range&) {
send_ship_info(c, u"$C4Missing information\nmenu item");
}
}
break;
case MenuID::PROXY_DESTINATIONS:
if (cmd.item_id == ProxyDestinationsMenuItemID::GO_BACK) {
send_ship_info(c, u"Return to the\nmain menu");
} else if (cmd.item_id == ProxyDestinationsMenuItemID::OPTIONS) {
send_ship_info(c, u"Set proxy session\noptions");
} else {
try {
const auto& menu = s->proxy_destinations_menu_for_version(c->version());
// We use item_id + 2 here because "go back" and "options" are the
// first items
send_ship_info(c, menu.at(cmd.item_id + 2).description.c_str());
} catch (const out_of_range&) {
send_ship_info(c, u"$C4Missing proxy\ndestination");
}
}
break;
case MenuID::PROXY_OPTIONS:
try {
const auto* description = proxy_options_menu_descriptions.at(cmd.item_id);
send_ship_info(c, description);
} catch (const out_of_range&) {
send_ship_info(c, u"$C4Missing proxy\noption");
}
break;
case MenuID::QUEST_FILTER:
// Don't send anything here. The quest filter menu already has short
// descriptions included with the entries, which the client shows in the
// usual location on the screen.
break;
case MenuID::QUEST: {
if (!s->quest_index) {
send_quest_info(c, u"$C6Quests are not available.", !c->lobby_id);
break;
}
auto q = s->quest_index->get(c->version(), cmd.item_id);
if (!q) {
send_quest_info(c, u"$C4Quest does not\nexist.", !c->lobby_id);
break;
}
send_quest_info(c, q->long_description.c_str(), !c->lobby_id);
break;
}
case MenuID::GAME: {
shared_ptr<Lobby> game;
try {
game = s->find_lobby(cmd.item_id);
} catch (const out_of_range& e) {
send_ship_info(c, u"$C4Game no longer\nexists.");
break;
}
if (!game->is_game()) {
send_ship_info(c, u"$C4Incorrect game ID");
} else {
string info;
for (size_t x = 0; x < game->max_clients; x++) {
const auto& game_c = game->clients[x];
if (game_c.get()) {
auto player = game_c->game_data.player();
auto name = encode_sjis(player->disp.name);
if (game->flags & Lobby::Flag::EPISODE_3_ONLY) {
info += string_printf("%zu: $C6%s$C7 L%" PRIu32 "\n",
x + 1, name.c_str(), player->disp.level + 1);
} else {
info += string_printf("%zu: $C6%s$C7 %s L%" PRIu32 "\n",
x + 1, name.c_str(),
abbreviation_for_char_class(player->disp.char_class),
player->disp.level + 1);
}
}
}
int episode = game->episode;
if (episode == 3) {
episode = 4;
} else if (episode == 0xFF) {
episode = 3;
}
string secid_str = name_for_section_id(game->section_id);
const char* mode_abbrev = "Nml";
if (game->flags & Lobby::Flag::BATTLE_MODE) {
mode_abbrev = "Btl";
} else if (game->flags & Lobby::Flag::CHALLENGE_MODE) {
mode_abbrev = "Chl";
} else if (game->flags & Lobby::Flag::SOLO_MODE) {
mode_abbrev = "Solo";
}
info += string_printf("Ep%d %c %s %s\n",
episode,
abbreviation_for_difficulty(game->difficulty),
mode_abbrev,
secid_str.c_str());
bool cheats_enabled = game->flags & Lobby::Flag::CHEATS_ENABLED;
bool locked = !game->password.empty();
if (cheats_enabled && locked) {
info += "$C4Locked$C7, $C6cheats enabled$C7\n";
} else if (cheats_enabled) {
info += "$C6Cheats enabled$C7\n";
} else if (locked) {
info += "$C4Locked$C7\n";
}
if (game->loading_quest) {
if (game->flags & Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS) {
info += "$C6Quest: " + encode_sjis(game->loading_quest->name);
} else {
info += "$C4Quest: " + encode_sjis(game->loading_quest->name);
}
} else if (game->flags & Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS) {
info += "$C6Quest in progress";
} else if (game->flags & Lobby::Flag::QUEST_IN_PROGRESS) {
info += "$C4Quest in progress";
}
send_ship_info(c, decode_sjis(info));
}
break;
}
case MenuID::PATCHES:
// TODO: Find a way to provide descriptions for patches.
break;
case MenuID::PROGRAMS: {
if (cmd.item_id == ProgramsMenuItemID::GO_BACK) {
send_ship_info(c, u"Return to the\nmain menu.");
} else {
try {
auto dol = s->dol_file_index->item_id_to_file.at(cmd.item_id);
string size_str = format_size(dol->data.size());
string info = string_printf("$C6%s$C7\n%s", dol->name.c_str(), size_str.c_str());
send_ship_info(c, decode_sjis(info));
} catch (const out_of_range&) {
send_ship_info(c, u"Incorrect program ID.");
}
}
break;
}
default:
send_ship_info(c, u"Incorrect menu ID.");
break;
}
}
static void on_menu_selection(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 10
bool uses_unicode = ((c->version() == GameVersion::PC) || (c->version() == GameVersion::BB));
uint32_t menu_id;
uint32_t item_id;
u16string password;
if (data.size() > sizeof(C_MenuSelection_10_Flag00)) {
if (uses_unicode) {
const auto& cmd = check_size_t<C_MenuSelection_PC_BB_10_Flag02>(data);
password = cmd.password;
menu_id = cmd.basic_cmd.menu_id;
item_id = cmd.basic_cmd.item_id;
} else {
const auto& cmd = check_size_t<C_MenuSelection_DC_V3_10_Flag02>(data);
password = decode_sjis(cmd.password);
menu_id = cmd.basic_cmd.menu_id;
item_id = cmd.basic_cmd.item_id;
}
} else {
const auto& cmd = check_size_t<C_MenuSelection_10_Flag00>(data);
menu_id = cmd.menu_id;
item_id = cmd.item_id;
}
switch (menu_id) {
case MenuID::MAIN: {
switch (item_id) {
case MainMenuItemID::GO_TO_LOBBY: {
c->should_send_to_lobby_server = true;
if (!(c->flags & Client::Flag::SAVE_ENABLED)) {
c->flags |= Client::Flag::SAVE_ENABLED;
// DC NTE crashes if it receives a 97 command, so we instead do the
// redirect immediately
if ((c->version() == GameVersion::DC) && (c->flags & Client::Flag::IS_TRIAL_EDITION)) {
send_client_to_lobby_server(s, c);
} else {
send_command(c, 0x97, 0x01);
send_update_client_config(c);
}
} else {
send_client_to_lobby_server(s, c);
}
break;
}
case MainMenuItemID::INFORMATION:
send_menu(c, u"Information", MenuID::INFORMATION,
*s->information_menu_for_version(c->version()));
c->flags |= Client::Flag::IN_INFORMATION_MENU;
break;
case MainMenuItemID::PROXY_DESTINATIONS:
send_proxy_destinations_menu(s, c);
break;
case MainMenuItemID::DOWNLOAD_QUESTS:
if (c->flags & Client::Flag::IS_EPISODE_3) {
shared_ptr<Lobby> l = c->lobby_id ? s->find_lobby(c->lobby_id) : nullptr;
auto quests = s->quest_index->filter(
c->version(), c->flags & Client::Flag::IS_DC_V1, QuestCategory::EPISODE_3);
if (quests.empty()) {
send_lobby_message_box(c, u"$C6There are no quests\navailable.");
} else {
// Episode 3 has only download quests, not online quests, so this
// is always the download quest menu. (Episode 3 does actually
// have online quests, but they're served via a server data
// request instead of the file download paradigm that all other
// versions use.)
send_quest_menu(c, MenuID::QUEST, quests, true);
}
} else {
send_quest_menu(c, MenuID::QUEST_FILTER, quest_download_menu, true);
}
break;
case MainMenuItemID::PATCHES:
send_menu(c, u"Patches", MenuID::PATCHES, s->function_code_index->patch_menu());
break;
case MainMenuItemID::PROGRAMS:
send_menu(c, u"Programs", MenuID::PROGRAMS, s->dol_file_index->menu());
break;
case MainMenuItemID::DISCONNECT:
c->should_disconnect = true;
break;
case MainMenuItemID::CLEAR_LICENSE:
send_command(c, 0x9A, 0x04);
c->should_disconnect = true;
break;
default:
send_message_box(c, u"Incorrect menu item ID.");
break;
}
break;
}
case MenuID::INFORMATION: {
if (item_id == InformationMenuItemID::GO_BACK) {
c->flags &= ~Client::Flag::IN_INFORMATION_MENU;
send_menu(c, s->name.c_str(), MenuID::MAIN, s->main_menu);
} else {
try {
send_message_box(c, s->information_contents->at(item_id).c_str());
} catch (const out_of_range&) {
send_message_box(c, u"$C6No such information exists.");
}
}
break;
}
case MenuID::PROXY_OPTIONS: {
switch (item_id) {
case ProxyOptionsMenuItemID::GO_BACK:
send_proxy_destinations_menu(s, c);
break;
case ProxyOptionsMenuItemID::INFINITE_HP:
c->infinite_hp = !c->infinite_hp;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::INFINITE_TP:
c->infinite_tp = !c->infinite_tp;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SWITCH_ASSIST:
c->switch_assist = !c->switch_assist;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::BLOCK_EVENTS:
c->proxy_block_events = !c->proxy_block_events;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::BLOCK_PATCHES:
c->proxy_block_function_calls = !c->proxy_block_function_calls;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SAVE_FILES:
c->proxy_save_files = !c->proxy_save_files;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SUPPRESS_LOGIN:
c->proxy_suppress_remote_login = !c->proxy_suppress_remote_login;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SKIP_CARD:
c->proxy_zero_remote_guild_card = !c->proxy_zero_remote_guild_card;
resend_proxy_options_menu:
send_menu(c, s->name.c_str(), MenuID::PROXY_OPTIONS,
proxy_options_menu_for_client(c));
break;
default:
send_message_box(c, u"Incorrect menu item ID.");
break;
}
break;
}
case MenuID::PROXY_DESTINATIONS: {
if (item_id == ProxyDestinationsMenuItemID::GO_BACK) {
send_menu(c, s->name.c_str(), MenuID::MAIN, s->main_menu);
} else if (item_id == ProxyDestinationsMenuItemID::OPTIONS) {
send_menu(c, s->name.c_str(), MenuID::PROXY_OPTIONS,
proxy_options_menu_for_client(c));
} else {
const pair<string, uint16_t>* dest = nullptr;
try {
dest = &s->proxy_destinations_for_version(c->version()).at(item_id);
} catch (const out_of_range&) { }
if (!dest) {
send_message_box(c, u"$C6No such destination exists.");
c->should_disconnect = true;
} else {
c->proxy_destination_address = resolve_ipv4(dest->first);
c->proxy_destination_port = dest->second;
if (!(c->flags & Client::Flag::SAVE_ENABLED)) {
c->should_send_to_proxy_server = true;
c->flags |= Client::Flag::SAVE_ENABLED;
send_command(c, 0x97, 0x01);
send_update_client_config(c);
} else {
send_update_client_config(c);
send_client_to_proxy_server(s, c);
}
}
}
break;
}
case MenuID::GAME: {
auto game = s->find_lobby(item_id);
if (!game) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because it no\nlonger exists.");
break;
}
if (!game->is_game()) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because it is\nnot a game.");
break;
}
if (game->count_clients() >= game->max_clients) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because it is\nfull.");
break;
}
if ((game->version != c->version()) ||
(!(game->flags & Lobby::Flag::EPISODE_3_ONLY) != !(c->flags & Client::Flag::IS_EPISODE_3)) ||
((game->flags & Lobby::Flag::NON_V1_ONLY) && (c->flags & Client::Flag::IS_DC_V1))) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because it is\nfor a different\nversion of PSO.");
break;
}
if (game->flags & Lobby::Flag::QUEST_IN_PROGRESS) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because a\nquest is already\nin progress.");
break;
}
if (game->any_client_loading()) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because\nanother player is\ncurrently loading.\nTry again soon.");
break;
}
if (game->flags & Lobby::Flag::SOLO_MODE) {
send_lobby_message_box(c, u"$C6You cannot join this\n game because it is\na Solo Mode game.");
break;
}
if (!(c->license->privileges & Privilege::FREE_JOIN_GAMES)) {
if (!game->password.empty() && (password != game->password)) {
send_message_box(c, u"$C6Incorrect password.");
break;
}
if (c->game_data.player()->disp.level < game->min_level) {
send_message_box(c, u"$C6Your level is too\nlow to join this\ngame.");
break;
}
if (c->game_data.player()->disp.level > game->max_level) {
send_message_box(c, u"$C6Your level is too\nhigh to join this\ngame.");
break;
}
}
if (!s->change_client_lobby(c, game)) {
throw logic_error("client cannot join game after all preconditions satisfied");
}
c->flags |= Client::Flag::LOADING;
break;
}
case MenuID::QUEST_FILTER: {
if (!s->quest_index) {
send_lobby_message_box(c, u"$C6Quests are not available.");
break;
}
shared_ptr<Lobby> l = c->lobby_id ? s->find_lobby(c->lobby_id) : nullptr;
auto quests = s->quest_index->filter(c->version(),
c->flags & Client::Flag::IS_DC_V1,
static_cast<QuestCategory>(item_id & 0xFF));
if (quests.empty()) {
send_lobby_message_box(c, u"$C6There are no quests\navailable in that\ncategory.");
break;
}
// Hack: Assume the menu to be sent is the download quest menu if the
// client is not in any lobby
send_quest_menu(c, MenuID::QUEST, quests, !c->lobby_id);
break;
}
case MenuID::QUEST: {
if (!s->quest_index) {
send_lobby_message_box(c, u"$C6Quests are not available.");
break;
}
auto q = s->quest_index->get(c->version(), item_id);
if (!q) {
send_lobby_message_box(c, u"$C6Quest does not exist.");
break;
}
// If the client is not in a lobby, send the quest as a download quest.
// Otherwise, they must be in a game to load a quest.
shared_ptr<Lobby> l;
if (c->lobby_id) {
l = s->find_lobby(c->lobby_id);
if (!l->is_game()) {
send_lobby_message_box(c, u"$C6Quests cannot be\nloaded in lobbies.");
break;
}
}
bool is_ep3 = (q->episode == 0xFF);
string bin_basename = q->bin_filename();
shared_ptr<const string> bin_contents = q->bin_contents();
string dat_basename;
shared_ptr<const string> dat_contents;
if (!is_ep3) {
dat_basename = q->dat_filename();
dat_contents = q->dat_contents();
}
if (l) {
if (is_ep3 || !dat_contents) {
throw runtime_error("episode 3 quests cannot be loaded during games");
}
if (q->joinable) {
l->flags |= Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS;
} else {
l->flags |= Lobby::Flag::QUEST_IN_PROGRESS;
}
l->loading_quest = q;
for (size_t x = 0; x < l->max_clients; x++) {
if (!l->clients[x]) {
continue;
}
// TODO: It looks like blasting all the chunks to the client at once
// can cause GC clients to crash in rare cases. Find a way to slow
// this down (perhaps by only sending each new chunk when they
// acknowledge the previous chunk with a 13 command).
send_quest_file(l->clients[x], bin_basename + ".bin", bin_basename,
*bin_contents, QuestFileType::ONLINE);
send_quest_file(l->clients[x], dat_basename + ".dat", dat_basename,
*dat_contents, QuestFileType::ONLINE);
// There is no such thing as command AC on PSO V2 - quests just start
// immediately when they're done downloading. (This is also the case
// on V3 Trial Edition.) There are also no chunk acknowledgements
// (C->S 13 commands) like there are on GC. So, for PC/Trial clients,
// we can just not set the loading flag, since we never need to
// check/clear it later.
if ((l->clients[x]->version() != GameVersion::DC) &&
(l->clients[x]->version() != GameVersion::PC) &&
!(l->clients[x]->flags & Client::Flag::IS_TRIAL_EDITION)) {
l->clients[x]->flags |= Client::Flag::LOADING_QUEST;
}
}
} else {
string quest_name = encode_sjis(q->name);
// Episode 3 uses the download quest commands (A6/A7) but does not
// expect the server to have already encrypted the quest files, unlike
// other versions.
if (!is_ep3) {
q = q->create_download_quest();
}
send_quest_file(c, quest_name, bin_basename, *q->bin_contents(),
is_ep3 ? QuestFileType::EPISODE_3 : QuestFileType::DOWNLOAD);
if (dat_contents) {
send_quest_file(c, quest_name, dat_basename, *q->dat_contents(),
is_ep3 ? QuestFileType::EPISODE_3 : QuestFileType::DOWNLOAD);
}
}
break;
}
case MenuID::PATCHES:
if (item_id == PatchesMenuItemID::GO_BACK) {
send_menu(c, s->name.c_str(), MenuID::MAIN, s->main_menu);
} else {
if (c->flags & Client::Flag::NO_SEND_FUNCTION_CALL) {
throw runtime_error("client does not support send_function_call");
}
send_function_call(
c, s->function_code_index->menu_item_id_to_patch_function.at(item_id));
send_menu(c, u"Patches", MenuID::PATCHES, s->function_code_index->patch_menu());
}
break;
case MenuID::PROGRAMS:
if (item_id == ProgramsMenuItemID::GO_BACK) {
send_menu(c, s->name.c_str(), MenuID::MAIN, s->main_menu);
} else {
if (c->flags & Client::Flag::NO_SEND_FUNCTION_CALL) {
throw runtime_error("client does not support send_function_call");
}
c->loading_dol_file = s->dol_file_index->item_id_to_file.at(item_id);
// Send the first function call, which triggers the process of loading a
// DOL file. The result of this function call determines the necessary
// base address for loading the file.
send_function_call(
c,
s->function_code_index->name_to_function.at("ReadMemoryWord"),
{{"address", 0x80000034}}); // ArenaHigh from GC globals
}
break;
default:
send_message_box(c, u"Incorrect menu ID.");
break;
}
}
static void on_change_lobby(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 84
const auto& cmd = check_size_t<C_LobbySelection_84>(data);
if (cmd.menu_id != MenuID::LOBBY) {
send_message_box(c, u"Incorrect menu ID.");
return;
}
// If the client isn't in any lobby, then they just left a game. Add them to
// the lobby they requested, but fall back to another lobby if it's full.
if (c->lobby_id == 0) {
c->preferred_lobby_id = cmd.item_id;
s->add_client_to_available_lobby(c);
// If the client already is in a lobby, then they're using the lobby
// teleporter; add them to the lobby they requested or send a failure message.
} else {
shared_ptr<Lobby> new_lobby;
try {
new_lobby = s->find_lobby(cmd.item_id);
} catch (const out_of_range&) {
send_lobby_message_box(c, u"$C6Can't change lobby\n\n$C7The lobby does not\nexist.");
return;
}
if ((new_lobby->flags & Lobby::Flag::EPISODE_3_ONLY) && !(c->flags & Client::Flag::IS_EPISODE_3)) {
send_lobby_message_box(c, u"$C6Can't change lobby\n\n$C7The lobby is for\nEpisode 3 only.");
return;
}
if (!s->change_client_lobby(c, new_lobby)) {
send_lobby_message_box(c, u"$C6Can\'t change lobby\n\n$C7The lobby is full.");
}
}
}
static void on_game_list_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 08
check_size_v(data.size(), 0);
send_game_menu(c, s);
}
static void on_info_menu_request_dc_pc(shared_ptr<ServerState> s,
shared_ptr<Client> c, uint16_t, uint32_t, const string& data) { // 1F
check_size_v(data.size(), 0);
send_menu(c, u"Information", MenuID::INFORMATION,
*s->information_menu_for_version(c->version()), true);
}
static void on_change_ship(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string&) { // A0
// The client sends data in this command, but none of it is important. We
// intentionally don't call check_size here, but just ignore the data.
// Delete the player from the lobby they're in (but only visible to themself).
// This makes it safe to allow the player to choose download quests from the
// main menu again - if we didn't do this, they could move in the lobby after
// canceling the download quests menu, which looks really bad.
send_self_leave_notification(c);
// Sending a blank message box here works around the bug where the log window
// contents appear prepended to the next large message box. But, we don't have
// to do this if we're not going to show the welcome message or information
// menu (that is, if the client will not send a close confirmation).
if (!(c->flags & Client::Flag::NO_D6)) {
send_message_box(c, u"");
}
static const vector<string> version_to_port_name({
"bb-patch", "console-login", "pc-login", "console-login", "console-login", "bb-init"});
const auto& port_name = version_to_port_name.at(static_cast<size_t>(c->version()));
send_reconnect(c, s->connect_address_for_client(c),
s->name_to_port_config.at(port_name)->port);
}
static void on_change_block(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t flag, const string& data) { // A1
// newserv doesn't have blocks; treat block change the same as ship change
on_change_ship(s, c, command, flag, data);
}
static void send_dol_file_chunk(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint32_t start_addr) {
size_t offset = start_addr - c->dol_base_addr;
if (offset >= c->loading_dol_file->data.size()) {
throw logic_error("DOL file offset beyond end of data");
}
size_t bytes_to_send = min<size_t>(0x7800, c->loading_dol_file->data.size() - offset);
string data_to_send = c->loading_dol_file->data.substr(offset, bytes_to_send);
auto fn = s->function_code_index->name_to_function.at("WriteMemory");
unordered_map<string, uint32_t> label_writes(
{{"dest_addr", start_addr}, {"size", bytes_to_send}});
send_function_call(c, fn, label_writes, data_to_send);
size_t progress_percent = ((offset + bytes_to_send) * 100) / c->loading_dol_file->data.size();
string info = string_printf("Loading $C6%s$C7\n%zu%%%% complete",
c->loading_dol_file->name.c_str(), progress_percent);
send_ship_info(c, decode_sjis(info));
}
static void on_function_call_result(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t flag, const string& data) { // B3
const auto& cmd = check_size_t<C_ExecuteCodeResult_B3>(data);
if (flag == 0) {
return;
}
auto called_fn = s->function_code_index->index_to_function.at(flag);
if (c->loading_dol_file.get()) {
if (called_fn->name == "ReadMemoryWord") {
c->dol_base_addr = (cmd.return_value - c->loading_dol_file->data.size()) & (~3);
send_dol_file_chunk(s, c, c->dol_base_addr);
} else if (called_fn->name == "WriteMemory") {
if (cmd.return_value >= c->dol_base_addr + c->loading_dol_file->data.size()) {
auto fn = s->function_code_index->name_to_function.at("RunDOL");
unordered_map<string, uint32_t> label_writes(
{{"dol_base_ptr", c->dol_base_addr}});
send_function_call(c, fn, label_writes);
// The client will stop running PSO after this, so disconnect them
c->should_disconnect = true;
} else {
send_dol_file_chunk(s, c, cmd.return_value);
}
}
}
}
static void on_quest_list_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t flag, const string& data) { // A2
check_size_v(data.size(), 0);
if (!s->quest_index) {
send_lobby_message_box(c, u"$C6Quests are not available.");
return;
}
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game()) {
send_lobby_message_box(c, u"$C6Quests are not available\nin lobbies.");
return;
}
// In Episode 3, there are no quest categories, so skip directly to the quest
// filter menu.
if (c->flags & Client::Flag::IS_EPISODE_3) {
send_lobby_message_box(c, u"$C6Episode 3 does not\nprovide online quests\nvia this interface.");
} else {
vector<MenuItem>* menu = nullptr;
if ((c->version() == GameVersion::BB) && flag) {
menu = &quest_government_menu;
} else {
if (l->flags & Lobby::Flag::BATTLE_MODE) {
menu = &quest_battle_menu;
} else if (l->flags & Lobby::Flag::CHALLENGE_MODE) {
menu = &quest_challenge_menu;
} else if (l->flags & Lobby::Flag::SOLO_MODE) {
menu = &quest_solo_menu;
} else {
menu = &quest_categories_menu;
}
}
send_quest_menu(c, MenuID::QUEST_FILTER, *menu, false);
}
}
static void on_quest_barrier(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // AC
check_size_v(data.size(), 0);
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game()) {
return;
}
// If this client is NOT loading, they should not send an AC. Sending an AC to
// a client that isn't waiting to start a quest will crash the client, so we
// have to be careful not to do so.
if (!(c->flags & Client::Flag::LOADING_QUEST)) {
return;
}
c->flags &= ~Client::Flag::LOADING_QUEST;
// Check if any client is still loading
// TODO: We need to handle clients disconnecting while loading. Probably
// on_client_disconnect needs to check for this case...
size_t x;
for (x = 0; x < l->max_clients; x++) {
if (!l->clients[x]) {
continue;
}
if (l->clients[x]->flags & Client::Flag::LOADING_QUEST) {
break;
}
}
// If they're all done, start the quest
if (x == l->max_clients) {
send_command(l, 0xAC, 0x00);
}
}
static void on_update_quest_statistics(shared_ptr<ServerState> s,
shared_ptr<Client> c, uint16_t, uint32_t, const string& data) { // AA
const auto& cmd = check_size_t<C_UpdateQuestStatistics_V3_BB_AA>(data);
if (c->flags & Client::Flag::IS_TRIAL_EDITION) {
throw runtime_error("trial edition client sent update quest stats command");
}
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game() || !l->loading_quest.get() ||
(l->loading_quest->internal_id != cmd.quest_internal_id)) {
return;
}
S_ConfirmUpdateQuestStatistics_V3_BB_AB response;
response.unknown_a1 = 0x0000;
response.unknown_a2 = 0x0000;
response.request_token = cmd.request_token;
response.unknown_a3 = 0xBFFF;
send_command_t(c, 0xAB, 0x00, response);
}
static void on_gba_file_request(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D7
string filename(data);
strip_trailing_zeroes(filename);
static FileContentsCache gba_file_cache(300 * 1000 * 1000);
auto f = gba_file_cache.get_or_load("system/gba/" + filename).file;
send_quest_file(c, "", filename, f->data, QuestFileType::GBA_DEMO);
}
static void on_player_data(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t flag, const string& data) { // 61 98
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC: {
const auto& pd = check_size_t<PSOPlayerDataDCPC>(data,
sizeof(PSOPlayerDataDCPC), 0xFFFF);
c->game_data.import_player(pd);
break;
}
case GameVersion::GC:
case GameVersion::XB: {
const PSOPlayerDataV3* pd;
if (flag == 4) { // Episode 3
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("non-Episode 3 client sent Episode 3 player data");
}
const auto* pd3 = &check_size_t<PSOPlayerDataGCEp3>(data);
c->game_data.ep3_config.reset(new Ep3Config(pd3->ep3_config));
pd = reinterpret_cast<const PSOPlayerDataV3*>(pd3);
} else {
pd = &check_size_t<PSOPlayerDataV3>(data, sizeof(PSOPlayerDataV3),
sizeof(PSOPlayerDataV3) + c->game_data.player()->auto_reply.bytes());
}
c->game_data.import_player(*pd);
break;
}
case GameVersion::BB: {
const auto& pd = check_size_t<PSOPlayerDataBB>(data, sizeof(PSOPlayerDataBB),
sizeof(PSOPlayerDataBB) + c->game_data.player()->auto_reply.bytes());
c->game_data.import_player(pd);
break;
}
default:
throw logic_error("player data command not implemented for version");
}
auto player = c->game_data.player(false);
if (player) {
string name_str = remove_language_marker(encode_sjis(player->disp.name));
c->channel.name = string_printf("C-%" PRIX64 " (%s)",
c->id, name_str.c_str());
}
// 98 should only be sent when leaving a game, and we should leave the client
// in no lobby (they will send an 84 soon afterward to choose a lobby).
if (command == 0x98) {
s->remove_client_from_lobby(c);
} else if (command == 0x61) {
if (!c->pending_bb_save_username.empty()) {
string prev_bb_username = c->game_data.bb_username;
size_t prev_bb_player_index = c->game_data.bb_player_index;
c->game_data.bb_username = c->pending_bb_save_username;
c->game_data.bb_player_index = c->pending_bb_save_player_index;
bool failure = false;
try {
c->game_data.save_player_data();
} catch (const exception& e) {
u16string buffer = u"$C6PSOBB player data could\nnot be saved:\n" + decode_sjis(e.what());
send_text_message(c, buffer.c_str());
failure = true;
}
if (!failure) {
send_text_message_printf(c,
"$C6BB player data saved\nas player %hhu for user\n%s",
static_cast<uint8_t>(c->pending_bb_save_player_index + 1),
c->pending_bb_save_username.c_str());
}
c->game_data.bb_username = prev_bb_username;
c->game_data.bb_player_index = prev_bb_player_index;
c->pending_bb_save_username.clear();
}
// We use 61 during the lobby server init sequence to trigger joining an
// available lobby
if (!c->lobby_id && (c->server_behavior == ServerBehavior::LOBBY_SERVER)) {
s->add_client_to_available_lobby(c);
}
}
}
static void on_game_command(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t flag, const string& data) { // 60 62 6C 6D C9 CB (C9 CB are ep3 only)
check_size_v(data.size(), 4, 0xFFFF);
auto l = s->find_lobby(c->lobby_id);
if (!l) {
return;
}
on_subcommand(s, l, c, command, flag, data);
}
static void on_chat_generic(shared_ptr<ServerState> s, shared_ptr<Client> c,
const u16string& text) { // 06
u16string processed_text = remove_language_marker(text);
if (processed_text.empty()) {
return;
}
auto l = s->find_lobby(c->lobby_id);
if (!l) {
return;
}
if (processed_text[0] == L'$') {
if (processed_text[1] == L'$') {
processed_text = processed_text.substr(1);
} else {
on_chat_command(s, l, c, processed_text);
return;
}
}
if (!c->can_chat) {
return;
}
for (size_t x = 0; x < l->max_clients; x++) {
if (!l->clients[x]) {
continue;
}
send_chat_message(l->clients[x], c->license->serial_number,
c->game_data.player()->disp.name.data(), processed_text.c_str());
}
}
static void on_chat_pc_bb(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 06
const auto& cmd = check_size_t<C_Chat_06>(data, sizeof(C_Chat_06), 0xFFFF);
u16string text(cmd.text.pcbb, (data.size() - sizeof(C_Chat_06)) / sizeof(char16_t));
strip_trailing_zeroes(text);
on_chat_generic(s, c, text);
}
static void on_chat_dc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Chat_06>(data, sizeof(C_Chat_06), 0xFFFF);
u16string decoded_s = decode_sjis(cmd.text.dcv3, data.size() - sizeof(C_Chat_06));
on_chat_generic(s, c, decoded_s);
}
static void on_key_config_request_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
send_team_and_key_config_bb(c);
c->game_data.account()->newserv_flags &= ~AccountFlag::IN_DRESSING_ROOM;
c->log.info("Cleared dressing room flag for account");
}
static void on_player_preview_request_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_PlayerPreviewRequest_BB_E3>(data);
if (c->bb_game_state == ClientStateBB::CHOOSE_PLAYER) {
c->game_data.bb_player_index = cmd.player_index;
c->bb_game_state++;
send_client_init_bb(c, 0);
send_approve_player_choice_bb(c);
} else {
if (!c->license) {
c->should_disconnect = true;
return;
}
ClientGameData temp_gd;
temp_gd.guild_card_number = c->license->serial_number;
temp_gd.bb_username = c->license->username;
temp_gd.bb_player_index = cmd.player_index;
try {
auto preview = temp_gd.player()->disp.to_preview();
send_player_preview_bb(c, cmd.player_index, &preview);
} catch (const exception& e) {
// Player doesn't exist
send_player_preview_bb(c, cmd.player_index, nullptr);
}
}
}
static void on_client_checksum_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t command, uint32_t, const string& data) {
constexpr size_t max_count = sizeof(GuildCardFileBB::entries) / sizeof(GuildCardEntryBB);
constexpr size_t max_blocked = sizeof(GuildCardFileBB::blocked) / sizeof(GuildCardBB);
switch (command) {
case 0x01E8: { // Check guild card file checksum
const auto& cmd = check_size_t<C_GuildCardChecksum_01E8>(data);
uint32_t checksum = c->game_data.account()->guild_cards.checksum();
c->log.info("(Guild card file) Server checksum = %08" PRIX32 ", client checksum = %08" PRIX32,
checksum, cmd.checksum.load());
S_GuildCardChecksumResponse_BB_02E8 response = {
(cmd.checksum != checksum), 0};
send_command_t(c, 0x02E8, 0x00000000, response);
break;
}
case 0x03E8: // Download guild card file
check_size_v(data.size(), 0);
send_guild_card_header_bb(c);
break;
case 0x04E8: { // Add guild card
auto& new_gc = check_size_t<GuildCardBB>(data);
auto& gcf = c->game_data.account()->guild_cards;
for (size_t z = 0; z < max_count; z++) {
if (!gcf.entries[z].data.present) {
gcf.entries[z].data = new_gc;
gcf.entries[z].unknown_a1.clear(0);
c->log.info("Added guild card %" PRIu32 " at position %zu",
new_gc.guild_card_number.load(), z);
break;
}
}
break;
}
case 0x05E8: { // Delete guild card
auto& cmd = check_size_t<C_DeleteGuildCard_BB_05E8_08E8>(data);
auto& gcf = c->game_data.account()->guild_cards;
for (size_t z = 0; z < max_count; z++) {
if (gcf.entries[z].data.guild_card_number == cmd.guild_card_number) {
c->log.info("Deleted guild card %" PRIu32 " at position %zu",
cmd.guild_card_number.load(), z);
for (z = 0; z < max_count - 1; z++) {
gcf.entries[z] = gcf.entries[z + 1];
}
gcf.entries[max_count - 1].clear();
break;
}
}
break;
}
case 0x06E8: { // Update guild card
auto& new_gc = check_size_t<GuildCardBB>(data);
auto& gcf = c->game_data.account()->guild_cards;
for (size_t z = 0; z < max_count; z++) {
if (gcf.entries[z].data.guild_card_number == new_gc.guild_card_number) {
gcf.entries[z].data = new_gc;
c->log.info("Updated guild card %" PRIu32 " at position %zu",
new_gc.guild_card_number.load(), z);
}
}
break;
}
case 0x07E8: { // Add blocked user
auto& new_gc = check_size_t<GuildCardBB>(data);
auto& gcf = c->game_data.account()->guild_cards;
for (size_t z = 0; z < max_blocked; z++) {
if (!gcf.blocked[z].present) {
gcf.blocked[z] = new_gc;
c->log.info("Added blocked guild card %" PRIu32 " at position %zu",
new_gc.guild_card_number.load(), z);
// Note: The client also sends a C6 command, so we don't have to
// manually sync the actual blocked senders list here
break;
}
}
break;
}
case 0x08E8: { // Delete blocked user
auto& cmd = check_size_t<C_DeleteGuildCard_BB_05E8_08E8>(data);
auto& gcf = c->game_data.account()->guild_cards;
for (size_t z = 0; z < max_blocked; z++) {
if (gcf.blocked[z].guild_card_number == cmd.guild_card_number) {
c->log.info("Deleted blocked guild card %" PRIu32 " at position %zu",
cmd.guild_card_number.load(), z);
for (z = 0; z < max_blocked - 1; z++) {
gcf.blocked[z] = gcf.blocked[z + 1];
}
gcf.blocked[max_blocked - 1].clear();
// Note: The client also sends a C6 command, so we don't have to
// manually sync the actual blocked senders list here
break;
}
}
break;
}
case 0x09E8: { // Write comment
auto& cmd = check_size_t<C_WriteGuildCardComment_BB_09E8>(data);
auto& gcf = c->game_data.account()->guild_cards;
for (size_t z = 0; z < max_count; z++) {
if (gcf.entries[z].data.guild_card_number == cmd.guild_card_number) {
gcf.entries[z].comment = cmd.comment;
c->log.info("Updated comment on guild card %" PRIu32 " at position %zu",
cmd.guild_card_number.load(), z);
break;
}
}
break;
}
case 0x0AE8: { // Move guild card in list
auto& cmd = check_size_t<C_MoveGuildCard_BB_0AE8>(data);
auto& gcf = c->game_data.account()->guild_cards;
if (cmd.position >= max_count) {
throw invalid_argument("invalid new position");
}
size_t index;
for (index = 0; index < max_count; index++) {
if (gcf.entries[index].data.guild_card_number == cmd.guild_card_number) {
break;
}
}
if (index >= max_count) {
throw invalid_argument("player does not have requested guild card");
}
auto moved_gc = gcf.entries[index];
for (; index < cmd.position; index++) {
gcf.entries[index] = gcf.entries[index + 1];
}
for (; index > cmd.position; index--) {
gcf.entries[index] = gcf.entries[index - 1];
}
gcf.entries[index] = moved_gc;
c->log.info("Moved guild card %" PRIu32 " to position %zu",
cmd.guild_card_number.load(), index);
break;
}
default:
throw invalid_argument("invalid command");
}
}
static void on_guild_card_data_request_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_GuildCardDataRequest_BB_03DC>(data);
if (cmd.cont) {
send_guild_card_chunk_bb(c, cmd.chunk_index);
}
}
static void on_stream_file_request_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t command, uint32_t flag, const string& data) {
check_size_v(data.size(), 0);
if (command == 0x04EB) {
send_stream_file_index_bb(c);
} else if (command == 0x03EB) {
send_stream_file_chunk_bb(c, flag);
} else {
throw invalid_argument("unimplemented command");
}
}
static void on_leave_char_select_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // EC
const auto& cmd = check_size_t<C_LeaveCharacterSelect_BB_00EC>(data);
if (cmd.reason == 2) {
c->game_data.account()->newserv_flags |= AccountFlag::IN_DRESSING_ROOM;
c->log.info("Set dressing room flag for account");
} else {
c->game_data.account()->newserv_flags &= ~AccountFlag::IN_DRESSING_ROOM;
c->log.info("Cleared dressing room flag for account");
}
}
static void on_create_character_bb(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<SC_PlayerPreview_CreateCharacter_BB_00E5>(data);
if (!c->license) {
send_message_box(c, u"$C6You are not logged in.");
return;
}
// Hack: We use the security data to indicate to the server which phase the
// client is in (download data, character select, lobby, etc.). This presents
// a problem: the client expects to get an E4 (approve player choice) command
// immediately after the E5 (create character) command, but the client also
// will disconnect immediately after it receives that command. If we send an
// E6 before the E5 to update the security data (setting the correct next
// state), then the client sends ANOTHER E5, but this time it's blank! So, to
// be able to both create characters correctly and set security data
// correctly, we need to process only the first E5, and ignore the second. We
// do this by only creating a player if the current connection has no loaded
// player data.
if (c->game_data.player(false).get()) {
return;
}
c->game_data.bb_player_index = cmd.player_index;
if (c->game_data.account()->newserv_flags & AccountFlag::IN_DRESSING_ROOM) {
try {
c->game_data.player()->disp.apply_dressing_room(cmd.preview);
} catch (const exception& e) {
string message = string_printf("$C6Character could not be modified:\n%s", e.what());
send_message_box(c, decode_sjis(message));
return;
}
} else {
try {
c->game_data.create_player(cmd.preview, s->level_table);
} catch (const exception& e) {
string message = string_printf("$C6New character could not be created:\n%s", e.what());
send_message_box(c, decode_sjis(message));
return;
}
}
c->game_data.account()->newserv_flags &= ~AccountFlag::IN_DRESSING_ROOM;
c->log.info("Cleared dressing room flag for account");
send_client_init_bb(c, 0);
send_approve_player_choice_bb(c);
}
static void on_change_account_data_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t command, uint32_t, const string& data) {
const auto* cmd = reinterpret_cast<const C_UpdateAccountData_BB_ED*>(data.data());
switch (command) {
case 0x01ED:
check_size_v(data.size(), sizeof(cmd->option));
c->game_data.account()->option_flags = cmd->option;
break;
case 0x02ED:
check_size_v(data.size(), sizeof(cmd->symbol_chats));
c->game_data.account()->symbol_chats = cmd->symbol_chats;
break;
case 0x03ED:
check_size_v(data.size(), sizeof(cmd->chat_shortcuts));
c->game_data.account()->shortcuts = cmd->chat_shortcuts;
break;
case 0x04ED:
check_size_v(data.size(), sizeof(cmd->key_config));
c->game_data.account()->key_config.key_config = cmd->key_config;
break;
case 0x05ED:
check_size_v(data.size(), sizeof(cmd->pad_config));
c->game_data.account()->key_config.joystick_config = cmd->pad_config;
break;
case 0x06ED:
check_size_v(data.size(), sizeof(cmd->tech_menu));
c->game_data.player()->tech_menu_config = cmd->tech_menu;
break;
case 0x07ED:
check_size_v(data.size(), sizeof(cmd->customize));
c->game_data.player()->disp.config = cmd->customize;
break;
default:
throw invalid_argument("unknown account command");
}
}
static void on_return_player_data_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 00E7
const auto& cmd = check_size_t<PlayerBB>(data);
// We only trust the player's quest data and challenge data.
c->game_data.player()->challenge_data = cmd.challenge_data;
c->game_data.player()->quest_data1 = cmd.quest_data1;
c->game_data.player()->quest_data2 = cmd.quest_data2;
}
static void on_update_key_config_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
// Some clients have only a uint32_t at the end for team rewards
auto& cmd = check_size_t<KeyAndTeamConfigBB>(data,
sizeof(KeyAndTeamConfigBB) - 4, sizeof(KeyAndTeamConfigBB));
c->game_data.account()->key_config = cmd;
// TODO: We should probably send a response here, but I don't know which one!
}
static void on_change_arrow_color(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t flag, const string& data) { // 89
check_size_v(data.size(), 0);
c->lobby_arrow_color = flag;
auto l = s->find_lobby(c->lobby_id);
if (l) {
send_arrow_update(l);
}
}
static void on_card_search(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 40
const auto& cmd = check_size_t<C_GuildCardSearch_40>(data);
try {
auto result = s->find_client(nullptr, cmd.target_guild_card_number);
auto result_lobby = s->find_lobby(result->lobby_id);
send_card_search_result(s, c, result, result_lobby);
} catch (const out_of_range&) { }
}
static void on_choice_search(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string&) { // C0
// TODO: Implement choice search.
send_text_message(c, u"$C6Choice Search is\nnot supported");
}
static void on_simple_mail(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 81
u16string message;
uint32_t to_guild_card_number;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::GC:
case GameVersion::XB: {
const auto& cmd = check_size_t<SC_SimpleMail_DC_V3_81>(data);
to_guild_card_number = cmd.to_guild_card_number;
message = decode_sjis(cmd.text);
break;
}
case GameVersion::PC: {
const auto& cmd = check_size_t<SC_SimpleMail_PC_81>(data);
to_guild_card_number = cmd.to_guild_card_number;
message = cmd.text;
break;
}
case GameVersion::BB: {
const auto& cmd = check_size_t<SC_SimpleMail_BB_81>(data);
to_guild_card_number = cmd.to_guild_card_number;
message = cmd.text;
break;
}
default:
throw logic_error("invalid game version");
}
shared_ptr<Client> target;
try {
target = s->find_client(nullptr, to_guild_card_number);
} catch (const out_of_range&) { }
if (!target) {
// TODO: We should store pending messages for accounts somewhere, and send
// them when the player signs on again. We should also persist the player's
// autoreply setting when they're offline and use it if appropriate here.
send_text_message(c, u"$C6Player is offline");
} else {
// If the sender is blocked, don't forward the mail
for (size_t y = 0; y < 30; y++) {
if (target->game_data.account()->blocked_senders.data()[y] == c->license->serial_number) {
return;
}
}
// If the target has auto-reply enabled, send the autoreply. Note that we also
// forward the message in this case.
if (!target->game_data.player()->auto_reply.empty()) {
send_simple_mail(c, target->license->serial_number,
target->game_data.player()->disp.name,
target->game_data.player()->auto_reply);
}
// Forward the message
send_simple_mail(
target,
c->license->serial_number,
c->game_data.player()->disp.name,
message);
}
}
static void on_info_board_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D8
check_size_v(data.size(), 0);
send_info_board(c, s->find_lobby(c->lobby_id));
}
template <typename CharT>
void on_write_info_board_t(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D9
check_size_v(data.size(), 0, c->game_data.player()->info_board.size() * sizeof(CharT));
c->game_data.player()->info_board.assign(
reinterpret_cast<const CharT*>(data.data()),
data.size() / sizeof(CharT));
}
template <typename CharT>
void on_set_auto_reply_t(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // C7
check_size_v(data.size(), 0, c->game_data.player()->auto_reply.size() * sizeof(CharT));
c->game_data.player()->auto_reply.assign(
reinterpret_cast<const CharT*>(data.data()),
data.size() / sizeof(CharT));
}
static void on_disable_auto_reply(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // C8
check_size_v(data.size(), 0);
c->game_data.player()->auto_reply.clear(0);
}
static void on_set_blocked_senders_list(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // C6
if (c->version() == GameVersion::BB) {
const auto& cmd = check_size_t<C_SetBlockedSenders_BB_C6>(data);
c->game_data.account()->blocked_senders = cmd.blocked_senders;
} else {
const auto& cmd = check_size_t<C_SetBlockedSenders_V3_C6>(data);
c->game_data.account()->blocked_senders = cmd.blocked_senders;
}
}
static shared_ptr<Lobby> create_game_generic(shared_ptr<ServerState> s,
shared_ptr<Client> c,
const std::u16string& name,
const std::u16string& password,
uint8_t episode,
uint8_t difficulty,
uint32_t flags) {
// A player's actual level is their displayed level - 1, so the minimums for
// Episode 1 (for example) are actually 1, 20, 40, 80.
static const uint32_t default_minimum_levels[3][4] = {
{0, 19, 39, 79}, // Episode 1
{0, 29, 49, 89}, // Episode 2
{0, 39, 79, 109}}; // Episode 4
bool is_ep3 = (flags & Lobby::Flag::EPISODE_3_ONLY);
if (episode == 0) {
episode = 0xFF;
}
if (((episode != 0xFF) && (episode > 3)) || (episode == 0)) {
throw invalid_argument("incorrect episode number");
}
if (difficulty > 3) {
throw invalid_argument("incorrect difficulty level");
}
auto current_lobby = s->find_lobby(c->lobby_id);
if (!current_lobby) {
throw invalid_argument("cannot make a game from outside any lobby");
}
uint8_t min_level = ((episode == 0xFF) ? 0 : default_minimum_levels[episode - 1][difficulty]);
if (!(c->license->privileges & Privilege::FREE_JOIN_GAMES) &&
(min_level > c->game_data.player()->disp.level)) {
throw invalid_argument("level too low for difficulty");
}
bool item_tracking_enabled = (c->version() == GameVersion::BB) | s->item_tracking_enabled;
shared_ptr<Lobby> game = s->create_lobby();
game->name = name;
game->password = password;
game->version = c->version();
game->section_id = c->override_section_id >= 0
? c->override_section_id : c->game_data.player()->disp.section_id;
game->episode = episode;
game->difficulty = difficulty;
if (c->override_random_seed >= 0) {
game->random_seed = c->override_random_seed;
game->random->seed(game->random_seed);
}
game->common_item_creator.reset(new CommonItemCreator(
s->common_item_data, game->random));
game->event = Lobby::game_event_for_lobby_event(current_lobby->event);
game->block = 0xFF;
game->max_clients = 4;
game->flags =
(is_ep3 ? Lobby::Flag::EPISODE_3_ONLY : 0) |
(item_tracking_enabled ? Lobby::Flag::ITEM_TRACKING_ENABLED : 0) |
Lobby::Flag::GAME |
flags;
game->min_level = min_level;
game->max_level = 0xFFFFFFFF;
bool is_solo = (game->flags & Lobby::Flag::SOLO_MODE);
// Generate the map variations
if (is_ep3) {
game->variations.clear(0);
} else {
generate_variations(game->variations, game->random, game->episode, is_solo);
}
if (game->version == GameVersion::BB) {
for (size_t x = 0; x < 4; x++) {
game->next_item_id[x] = (0x00200000 * x) + 0x00010000;
}
game->next_game_item_id = 0x00810000;
for (size_t area = 0; area < 0x10; area++) {
auto filenames = map_filenames_for_variation(
game->episode,
is_solo,
area,
game->variations[area * 2],
game->variations[area * 2 + 1]);
if (filenames.empty()) {
c->log.info("[Map/%zu] No file to load", area);
continue;
}
bool any_map_loaded = false;
for (const string& filename : filenames) {
try {
auto map_data = s->load_bb_file(filename, "", "map/" + filename);
std::vector<PSOEnemy> area_enemies = parse_map(
s->battle_params,
is_solo,
game->episode,
game->difficulty,
map_data,
false);
game->enemies.insert(
game->enemies.end(),
area_enemies.begin(),
area_enemies.end());
c->log.info("[Map/%zu] Loaded %s (%zu entries)",
area, filename.c_str(), area_enemies.size());
for (size_t z = 0; z < area_enemies.size(); z++) {
string e_str = area_enemies[z].str();
static_game_data_log.info("(Entry %zX) %s", z, e_str.c_str());
}
any_map_loaded = true;
break;
} catch (const exception& e) {
c->log.info("[Map/%zu] Failed to load %s: %s", area, filename.c_str(), e.what());
}
}
if (!any_map_loaded) {
throw runtime_error(string_printf("no maps loaded for area %zu", area));
}
}
c->log.info("Loaded maps contain %zu entries overall", game->enemies.size());
}
s->change_client_lobby(c, game);
c->flags |= Client::Flag::LOADING;
return game;
}
static void on_create_game_pc(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // C1
const auto& cmd = check_size_t<C_CreateGame_PC_C1>(data);
uint32_t flags = Lobby::Flag::NON_V1_ONLY;
if (cmd.battle_mode) {
flags |= Lobby::Flag::BATTLE_MODE;
}
if (cmd.challenge_mode) {
flags |= Lobby::Flag::CHALLENGE_MODE;
}
create_game_generic(s, c, cmd.name, cmd.password, 1, cmd.difficulty, flags);
}
static void on_create_game_dc_v3(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t, const string& data) { // 0C C1 EC (EC Ep3 only)
const auto& cmd = check_size_t<C_CreateGame_DC_V3_0C_C1_Ep3_EC>(data);
// Only allow EC from Ep3 clients
bool client_is_ep3 = c->flags & Client::Flag::IS_EPISODE_3;
if ((command == 0xEC) && !client_is_ep3) {
return;
}
uint8_t episode = cmd.episode;
uint32_t flags = 0;
if (c->version() == GameVersion::DC) {
if (episode) {
flags |= Lobby::Flag::NON_V1_ONLY;
}
episode = 1;
} else if (client_is_ep3) {
flags |= (Lobby::Flag::NON_V1_ONLY | Lobby::Flag::EPISODE_3_ONLY);
episode = 0xFF;
} else { // XB/GC non-Ep3
flags |= Lobby::Flag::NON_V1_ONLY;
}
u16string name = decode_sjis(cmd.name);
u16string password = decode_sjis(cmd.password);
if (cmd.battle_mode) {
flags |= Lobby::Flag::BATTLE_MODE;
}
if (cmd.challenge_mode) {
flags |= Lobby::Flag::CHALLENGE_MODE;
}
create_game_generic(
s, c, name.c_str(), password.c_str(), episode, cmd.difficulty, flags);
}
static void on_create_game_bb(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // C1
const auto& cmd = check_size_t<C_CreateGame_BB_C1>(data);
uint32_t flags = Lobby::Flag::NON_V1_ONLY;
if (cmd.battle_mode) {
flags |= Lobby::Flag::BATTLE_MODE;
}
if (cmd.challenge_mode) {
flags |= Lobby::Flag::CHALLENGE_MODE;
}
if (cmd.solo_mode) {
flags |= Lobby::Flag::SOLO_MODE;
}
create_game_generic(
s, c, cmd.name, cmd.password, cmd.episode, cmd.difficulty, flags);
}
static void on_lobby_name_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 8A
if ((c->version() == GameVersion::DC) && (c->flags & Client::Flag::IS_TRIAL_EDITION)) {
const auto& cmd = check_size_t<C_ConnectionInfo_DCNTE_8A>(data);
set_console_client_flags(c, cmd.sub_version);
send_command(c, 0x8A, 0x01);
} else {
check_size_v(data.size(), 0);
auto l = s->find_lobby(c->lobby_id);
if (!l) {
throw invalid_argument("client not in any lobby");
}
send_lobby_name(c, l->name.c_str());
}
}
static void on_client_ready(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // 6F
check_size_v(data.size(), 0);
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game()) {
throw runtime_error("client sent ready command ontside of game");
}
c->flags &= (~Client::Flag::LOADING);
send_resume_game(l, c);
send_server_time(c);
// Only get player info again on BB, since on other versions the returned info
// only includes items that would be saved if the client disconnects
// unexpectedly (that is, only equipped items are included).
if (c->version() == GameVersion::BB) {
send_get_player_info(c);
}
}
static void on_trade_start(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D0
auto& cmd = check_size_t<SC_TradeItems_D0_D3>(data);
if (c->game_data.pending_item_trade) {
throw runtime_error("player started a trade when one is already pending");
}
if (cmd.item_count > 0x20) {
throw runtime_error("invalid item count in trade items command");
}
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game()) {
throw runtime_error("trade command received in non-game lobby");
}
auto target_c = l->clients.at(cmd.target_client_id);
if (!target_c) {
throw runtime_error("trade command sent to missing player");
}
c->game_data.pending_item_trade.reset(new PendingItemTrade());
c->game_data.pending_item_trade->other_client_id = cmd.target_client_id;
for (size_t x = 0; x < cmd.item_count; x++) {
c->game_data.pending_item_trade->items.emplace_back(cmd.items[x]);
}
// If the other player has a pending trade as well, assume this is the second
// half of the trade sequence, and send a D1 to both clients (which should
// cause them to delete the appropriate inventory items and send D2s). If the
// other player does not have a pending trade, assume this is the first half
// of the trade sequence, and send a D1 only to the target player (to request
// its D0 command).
// See the description of the D0 command in CommandFormats.hh for more
// information on how this sequence is supposed to work.
send_command(target_c, 0xD1, 0x00);
if (target_c->game_data.pending_item_trade) {
send_command(c, 0xD1, 0x00);
}
}
static void on_trade_execute(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D2
check_size_v(data.size(), 0);
if (!c->game_data.pending_item_trade) {
throw runtime_error("player executed a trade with none pending");
}
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game()) {
throw runtime_error("trade command received in non-game lobby");
}
auto target_c = l->clients.at(c->game_data.pending_item_trade->other_client_id);
if (!target_c) {
throw runtime_error("target player is missing");
}
if (!target_c->game_data.pending_item_trade) {
throw runtime_error("player executed a trade with no other side pending");
}
c->game_data.pending_item_trade->confirmed = true;
if (target_c->game_data.pending_item_trade->confirmed) {
send_execute_item_trade(c, target_c->game_data.pending_item_trade->items);
send_execute_item_trade(target_c, c->game_data.pending_item_trade->items);
send_command(c, 0xD4, 0x01);
send_command(target_c, 0xD4, 0x01);
c->game_data.pending_item_trade.reset();
target_c->game_data.pending_item_trade.reset();
}
}
static void on_trade_error(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) { // D4
check_size_v(data.size(), 0);
// Annoyingly, if the other client disconnects at a certain point during the
// trade sequence, the client can get into a state where it sends this command
// many times in a row. To deal with this, we just do nothing if the client
// has no trade pending.
if (!c->game_data.pending_item_trade) {
return;
}
uint8_t other_client_id = c->game_data.pending_item_trade->other_client_id;
c->game_data.pending_item_trade.reset();
send_command(c, 0xD4, 0x00);
// Cancel the other side of the trade too, if it's open
auto l = s->find_lobby(c->lobby_id);
if (!l || !l->is_game()) {
throw runtime_error("trade command received in non-game lobby");
}
auto target_c = l->clients.at(other_client_id);
if (!target_c) {
return;
}
if (!target_c->game_data.pending_item_trade) {
return;
}
target_c->game_data.pending_item_trade.reset();
send_command(target_c, 0xD4, 0x00);
}
static void on_card_trade(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t flag, const string& data) { // EE
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("non-Ep3 client sent card trade command");
}
auto l = s->find_lobby(c->lobby_id);
if (!(l->flags & Lobby::Flag::EPISODE_3_ONLY)) {
throw runtime_error("client sent card trade command outside of Ep3 lobby");
}
if (!l->is_game()) {
throw runtime_error("client sent card trade command in non-game lobby");
}
if (flag == 0xD0) {
auto& cmd = check_size_t<SC_TradeCards_GC_Ep3_EE_FlagD0_FlagD3>(data);
if (c->game_data.pending_card_trade) {
throw runtime_error("player started a card trade when one is already pending");
}
if (cmd.entry_count > 4) {
throw runtime_error("invalid entry count in card trade command");
}
auto target_c = l->clients.at(cmd.target_client_id);
if (!target_c) {
throw runtime_error("card trade command sent to missing player");
}
if (!(target_c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("card trade target is not Episode 3");
}
c->game_data.pending_card_trade.reset(new PendingCardTrade());
c->game_data.pending_card_trade->other_client_id = cmd.target_client_id;
for (size_t x = 0; x < cmd.entry_count; x++) {
c->game_data.pending_card_trade->card_to_count.emplace_back(
make_pair(cmd.entries[x].card_type, cmd.entries[x].count));
}
// If the other player has a pending trade as well, assume this is the
// second half of the trade sequence, and send an EE D1 to both clients. If
// the other player does not have a pending trade, assume this is the first
// half of the trade sequence, and send an EE D1 only to the target player
// (to request its EE D0 command).
// See the description of the D0 command in CommandFormats.hh for more
// information on how this sequence is supposed to work. (The EE D0 command
// is analogous to Episodes 1&2's D0 command.)
S_AdvanceCardTradeState_GC_Ep3_EE_FlagD1 resp = {0};
send_command_t(target_c, 0xEE, 0xD1, resp);
if (target_c->game_data.pending_card_trade) {
send_command_t(c, 0xEE, 0xD1, resp);
}
} else if (flag == 0xD2) {
check_size_v(data.size(), 0);
if (!c->game_data.pending_card_trade) {
throw runtime_error("player executed a card trade with none pending");
}
auto target_c = l->clients.at(c->game_data.pending_card_trade->other_client_id);
if (!target_c) {
throw runtime_error("card trade target player is missing");
}
if (!target_c->game_data.pending_card_trade) {
throw runtime_error("player executed a card trade with no other side pending");
}
c->game_data.pending_card_trade->confirmed = true;
if (target_c->game_data.pending_card_trade->confirmed) {
send_execute_card_trade(c, target_c->game_data.pending_card_trade->card_to_count);
send_execute_card_trade(target_c, c->game_data.pending_card_trade->card_to_count);
S_CardTradeComplete_GC_Ep3_EE_FlagD4 resp = {1};
send_command_t(c, 0xEE, 0xD4, resp);
send_command_t(target_c, 0xEE, 0xD4, resp);
c->game_data.pending_card_trade.reset();
target_c->game_data.pending_card_trade.reset();
}
} else if (flag == 0xD4) {
check_size_v(data.size(), 0);
// See the D4 handler for why this check exists (and why it doesn't throw)
if (!c->game_data.pending_card_trade) {
return;
}
uint8_t other_client_id = c->game_data.pending_card_trade->other_client_id;
c->game_data.pending_card_trade.reset();
S_CardTradeComplete_GC_Ep3_EE_FlagD4 resp = {0};
send_command_t(c, 0xEE, 0xD4, resp);
// Cancel the other side of the trade too, if it's open
auto target_c = l->clients.at(other_client_id);
if (!target_c) {
return;
}
if (!target_c->game_data.pending_card_trade) {
return;
}
target_c->game_data.pending_card_trade.reset();
send_command_t(target_c, 0xEE, 0xD4, resp);
} else {
throw runtime_error("invalid card trade operation");
}
}
static void on_team_command_bb(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t command, uint32_t, const string&) { // EA
// TODO: Implement teams. This command has a very large number of subcommands
// (up to 20EA!).
if (command == 0x01EA) {
send_lobby_message_box(c, u"$C6Teams are not supported.");
} else if (command == 0x14EA) {
// Do nothing (for now)
} else {
throw invalid_argument("unimplemented team command");
}
}
static void on_connected_patch(shared_ptr<ServerState>, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
send_command(c, 0x04, 0x00); // This requests the user's login information
}
static void change_to_directory_patch(
shared_ptr<Client> c,
vector<string>& client_path_directories,
const vector<string>& file_path_directories) {
// First, exit all leaf directories that don't match the desired path
while (!client_path_directories.empty() &&
((client_path_directories.size() > file_path_directories.size()) ||
(client_path_directories.back() != file_path_directories[client_path_directories.size() - 1]))) {
send_command(c, 0x0A, 0x00);
client_path_directories.pop_back();
}
// At this point, client_path_directories should be a prefix of
// file_path_directories (or should match exactly)
if (client_path_directories.size() > file_path_directories.size()) {
throw logic_error("did not exit all necessary directories");
}
for (size_t x = 0; x < client_path_directories.size(); x++) {
if (client_path_directories[x] != file_path_directories[x]) {
throw logic_error("intermediate path is not a prefix of final path");
}
}
// Second, enter all necessary leaf directories
while (client_path_directories.size() < file_path_directories.size()) {
const string& dir = file_path_directories[client_path_directories.size()];
send_enter_directory_patch(c, dir);
client_path_directories.emplace_back(dir);
}
}
static void on_login_patch(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Login_Patch_04>(data);
try {
auto l = s->license_manager->verify_bb(cmd.username, cmd.password);
c->set_license(l);
} catch (const incorrect_password& e) {
u16string message = u"Login failed: " + decode_sjis(e.what());
send_message_box(c, message.c_str());
c->should_disconnect = true;
return;
} catch (const missing_license& e) {
if (!s->allow_unregistered_users) {
u16string message = u"Login failed: " + decode_sjis(e.what());
send_message_box(c, message.c_str());
c->should_disconnect = true;
return;
} else {
shared_ptr<License> l = LicenseManager::create_license_bb(
fnv1a32(cmd.username) & 0x7FFFFFFF, cmd.username, cmd.password, true);
s->license_manager->add(l);
c->set_license(l);
}
}
// On BB we can use colors and newlines should be \n; on PC we can't use
// colors, the text is auto-word-wrapped, and newlines should be \r\n.
const u16string& message = (c->flags & Client::Flag::IS_BB_PATCH)
? s->bb_patch_server_message : s->pc_patch_server_message;
if (!message.empty()) {
send_message_box(c, message.c_str());
}
auto index = (c->flags & Client::Flag::IS_BB_PATCH) ?
s->bb_patch_file_index : s->pc_patch_file_index;
if (index.get()) {
send_command(c, 0x0B, 0x00); // Start patch session; go to root directory
vector<string> path_directories;
for (const auto& file : index->all_files()) {
change_to_directory_patch(c, path_directories, file->path_directories);
S_FileChecksumRequest_Patch_0C req = {
c->patch_file_checksum_requests.size(), file->name};
send_command_t(c, 0x0C, 0x00, req);
c->patch_file_checksum_requests.emplace_back(file);
}
change_to_directory_patch(c, path_directories, {});
send_command(c, 0x0D, 0x00); // End of checksum requests
} else {
// No patch index present: just do something that will satisfy the client
// without actually checking or downloading any files
send_enter_directory_patch(c, ".");
send_enter_directory_patch(c, "data");
send_enter_directory_patch(c, "scene");
send_command(c, 0x0A, 0x00);
send_command(c, 0x0A, 0x00);
send_command(c, 0x0A, 0x00);
send_command(c, 0x12, 0x00);
}
}
static void on_checksum_patch(shared_ptr<ServerState>,
shared_ptr<Client> c, uint16_t, uint32_t, const string& data) { // 0F
auto& cmd = check_size_t<C_FileInformation_Patch_0F>(data);
auto& req = c->patch_file_checksum_requests.at(cmd.request_id);
req.crc32 = cmd.checksum;
req.size = cmd.size;
req.response_received = true;
}
static void on_checksums_done_patch(shared_ptr<ServerState>,
shared_ptr<Client> c, uint16_t, uint32_t, const string&) { // 10
S_StartFileDownloads_Patch_11 start_cmd = {0, 0};
for (const auto& req : c->patch_file_checksum_requests) {
if (!req.response_received) {
throw runtime_error("client did not respond to checksum request");
}
if (req.needs_update()) {
c->log.info("File %s needs update (CRC: %08" PRIX32 "/%08" PRIX32 ", size: %" PRIu32 "/%" PRIu32 ")",
req.file->name.c_str(), req.file->crc32, req.crc32, req.file->size, req.size);
start_cmd.total_bytes += req.file->size;
start_cmd.num_files++;
} else {
c->log.info("File %s is up to date", req.file->name.c_str());
}
}
if (start_cmd.num_files) {
send_command_t(c, 0x11, 0x00, start_cmd);
vector<string> path_directories;
for (const auto& req : c->patch_file_checksum_requests) {
if (req.needs_update()) {
change_to_directory_patch(c, path_directories, req.file->path_directories);
send_patch_file(c, req.file);
}
}
change_to_directory_patch(c, path_directories, {});
}
send_command(c, 0x12, 0x00);
}
static void on_ignored_command(shared_ptr<ServerState>, shared_ptr<Client>,
uint16_t, uint32_t, const string&) { }
static void on_unimplemented_command(shared_ptr<ServerState>,
shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
c->log.warning("Unknown command: size=%04zX command=%04hX flag=%08" PRIX32,
data.size(), command, flag);
throw invalid_argument("unimplemented command");
}
typedef void (*on_command_t)(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t flag, const string& data);
// Command handler table, indexed by command number and game version. Null
// entries in this table cause on_unimplemented_command to be called, which
// disconnects the client.
static on_command_t handlers[0x100][6] = {
// PATCH DC PC GC XB BB
/* 00 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 00 */
/* 01 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 01 */
/* 02 */ {on_connected_patch, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 02 */
/* 03 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 03 */
/* 04 */ {on_login_patch, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 04 */
/* 05 */ {nullptr, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, }, /* 05 */
/* 06 */ {nullptr, on_chat_dc_v3, on_chat_pc_bb, on_chat_dc_v3, on_chat_dc_v3, on_chat_pc_bb, }, /* 06 */
/* 07 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 07 */
/* 08 */ {nullptr, on_game_list_request, on_game_list_request, on_game_list_request, on_game_list_request, on_game_list_request, }, /* 08 */
/* 09 */ {nullptr, on_menu_item_info_request, on_menu_item_info_request, on_menu_item_info_request, on_menu_item_info_request, on_menu_item_info_request, }, /* 09 */
/* 0A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 0A */
/* 0B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 0B */
/* 0C */ {nullptr, on_create_game_dc_v3, nullptr, nullptr, nullptr, nullptr, }, /* 0C */
/* 0D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 0D */
/* 0E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 0E */
/* 0F */ {on_checksum_patch, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 0F */
/* 10 */ {on_checksums_done_patch, on_menu_selection, on_menu_selection, on_menu_selection, on_menu_selection, on_menu_selection, }, /* 10 */
/* 11 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 11 */
/* 12 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 12 */
/* 13 */ {nullptr, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, }, /* 13 */
/* 14 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 14 */
/* 15 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 15 */
/* 16 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 16 */
/* 17 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 17 */
/* 18 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 18 */
/* 19 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 19 */
/* 1A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 1A */
/* 1B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 1B */
/* 1C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 1C */
/* 1D */ {nullptr, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, }, /* 1D */
/* 1E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 1E */
/* 1F */ {nullptr, on_info_menu_request_dc_pc, on_info_menu_request_dc_pc, nullptr, nullptr, nullptr, }, /* 1F */
// PATCH DC PC GC XB BB
/* 20 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 20 */
/* 21 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 21 */
/* 22 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_ignored_command, }, /* 22 */
/* 23 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 23 */
/* 24 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 24 */
/* 25 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 25 */
/* 26 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 26 */
/* 27 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 27 */
/* 28 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 28 */
/* 29 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 29 */
/* 2A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 2A */
/* 2B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 2B */
/* 2C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 2C */
/* 2D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 2D */
/* 2E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 2E */
/* 2F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 2F */
/* 30 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 30 */
/* 31 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 31 */
/* 32 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 32 */
/* 33 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 33 */
/* 34 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 34 */
/* 35 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 35 */
/* 36 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 36 */
/* 37 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 37 */
/* 38 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 38 */
/* 39 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 39 */
/* 3A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 3A */
/* 3B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 3B */
/* 3C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 3C */
/* 3D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 3D */
/* 3E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 3E */
/* 3F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 3F */
// PATCH DC PC GC XB BB
/* 40 */ {nullptr, on_card_search, on_card_search, on_card_search, on_card_search, on_card_search, }, /* 40 */
/* 41 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 41 */
/* 42 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 42 */
/* 43 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 43 */
/* 44 */ {nullptr, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, }, /* 44 */
/* 45 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 45 */
/* 46 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 46 */
/* 47 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 47 */
/* 48 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 48 */
/* 49 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 49 */
/* 4A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 4A */
/* 4B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 4B */
/* 4C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 4C */
/* 4D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 4D */
/* 4E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 4E */
/* 4F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 4F */
/* 50 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 50 */
/* 51 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 51 */
/* 52 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 52 */
/* 53 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 53 */
/* 54 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 54 */
/* 55 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 55 */
/* 56 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 56 */
/* 57 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 57 */
/* 58 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 58 */
/* 59 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 59 */
/* 5A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 5A */
/* 5B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 5B */
/* 5C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 5C */
/* 5D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 5D */
/* 5E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 5E */
/* 5F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 5F */
// PATCH DC PC GC XB BB
/* 60 */ {nullptr, on_game_command, on_game_command, on_game_command, on_game_command, on_game_command, }, /* 60 */
/* 61 */ {nullptr, on_player_data, on_player_data, on_player_data, on_player_data, on_player_data, }, /* 61 */
/* 62 */ {nullptr, on_game_command, on_game_command, on_game_command, on_game_command, on_game_command, }, /* 62 */
/* 63 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 63 */
/* 64 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 64 */
/* 65 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 65 */
/* 66 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 66 */
/* 67 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 67 */
/* 68 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 68 */
/* 69 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 69 */
/* 6A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 6A */
/* 6B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 6B */
/* 6C */ {nullptr, on_game_command, on_game_command, on_game_command, on_game_command, on_game_command, }, /* 6C */
/* 6D */ {nullptr, on_game_command, on_game_command, on_game_command, on_game_command, on_game_command, }, /* 6D */
/* 6E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 6E */
/* 6F */ {nullptr, on_client_ready, on_client_ready, on_client_ready, on_client_ready, on_client_ready, }, /* 6F */
/* 70 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 70 */
/* 71 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 71 */
/* 72 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 72 */
/* 73 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 73 */
/* 74 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 74 */
/* 75 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 75 */
/* 76 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 76 */
/* 77 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 77 */
/* 78 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 78 */
/* 79 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 79 */
/* 7A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 7A */
/* 7B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 7B */
/* 7C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 7C */
/* 7D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 7D */
/* 7E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 7E */
/* 7F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 7F */
// PATCH DC PC GC XB BB
/* 80 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 80 */
/* 81 */ {nullptr, on_simple_mail, on_simple_mail, on_simple_mail, on_simple_mail, on_simple_mail, }, /* 81 */
/* 82 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 82 */
/* 83 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 83 */
/* 84 */ {nullptr, on_change_lobby, on_change_lobby, on_change_lobby, on_change_lobby, on_change_lobby, }, /* 84 */
/* 85 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 85 */
/* 86 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 86 */
/* 87 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 87 */
/* 88 */ {nullptr, on_login_8_dcnte, nullptr, on_login_8_dcnte, nullptr, nullptr, }, /* 88 */
/* 89 */ {nullptr, on_change_arrow_color, on_change_arrow_color, on_change_arrow_color, on_change_arrow_color, on_change_arrow_color, }, /* 89 */
/* 8A */ {nullptr, on_lobby_name_request, on_lobby_name_request, on_lobby_name_request, on_lobby_name_request, on_lobby_name_request, }, /* 8A */
/* 8B */ {nullptr, on_login_b_dcnte, nullptr, on_login_b_dcnte, nullptr, nullptr, }, /* 8B */
/* 8C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 8C */
/* 8D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 8D */
/* 8E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 8E */
/* 8F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 8F */
/* 90 */ {nullptr, on_login_0_dc_pc_v3, nullptr, on_login_0_dc_pc_v3, nullptr, nullptr, }, /* 90 */
/* 91 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 91 */
/* 92 */ {nullptr, on_login_2_dc, nullptr, nullptr, nullptr, nullptr, }, /* 92 */
/* 93 */ {nullptr, on_login_3_dc_pc_v3, nullptr, on_login_3_dc_pc_v3, nullptr, on_login_bb, }, /* 93 */
/* 94 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 94 */
/* 95 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 95 */
/* 96 */ {nullptr, on_client_checksum, on_client_checksum, on_client_checksum, on_client_checksum, nullptr, }, /* 96 */
/* 97 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 97 */
/* 98 */ {nullptr, on_player_data, on_player_data, on_player_data, on_player_data, on_player_data, }, /* 98 */
/* 99 */ {nullptr, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, }, /* 99 */
/* 9A */ {nullptr, on_login_a_dc_pc_v3, on_login_a_dc_pc_v3, on_login_a_dc_pc_v3, nullptr, nullptr, }, /* 9A */
/* 9B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* 9B */
/* 9C */ {nullptr, on_login_c_dc_pc_v3, on_login_c_dc_pc_v3, on_login_c_dc_pc_v3, on_login_c_dc_pc_v3, nullptr, }, /* 9C */
/* 9D */ {nullptr, on_login_d_e_dc_pc_v3, on_login_d_e_dc_pc_v3, on_login_d_e_dc_pc_v3, on_login_d_e_dc_pc_v3, nullptr, }, /* 9D */
/* 9E */ {nullptr, nullptr, on_login_d_e_dc_pc_v3, on_login_d_e_dc_pc_v3, on_login_d_e_dc_pc_v3, nullptr, }, /* 9E */
/* 9F */ {nullptr, nullptr, nullptr, on_return_client_config, on_return_client_config, nullptr, }, /* 9F */
// PATCH DC PC GC XB BB
/* A0 */ {nullptr, on_change_ship, on_change_ship, on_change_ship, on_change_ship, on_change_ship, }, /* A0 */
/* A1 */ {nullptr, on_change_block, on_change_block, on_change_block, on_change_block, on_change_block, }, /* A1 */
/* A2 */ {nullptr, on_quest_list_request, on_quest_list_request, on_quest_list_request, on_quest_list_request, on_quest_list_request, }, /* A2 */
/* A3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* A3 */
/* A4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* A4 */
/* A5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* A5 */
/* A6 */ {nullptr, nullptr, nullptr, on_ignored_command, on_ignored_command, nullptr, }, /* A6 */
/* A7 */ {nullptr, nullptr, nullptr, on_ignored_command, on_ignored_command, nullptr, }, /* A7 */
/* A8 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* A8 */
/* A9 */ {nullptr, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, on_ignored_command, }, /* A9 */
/* AA */ {nullptr, nullptr, on_update_quest_statistics, on_update_quest_statistics, on_update_quest_statistics, on_update_quest_statistics, }, /* AA */
/* AB */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* AB */
/* AC */ {nullptr, nullptr, nullptr, on_quest_barrier, on_quest_barrier, on_quest_barrier, }, /* AC */
/* AD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* AD */
/* AE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* AE */
/* AF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* AF */
/* B0 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* B0 */
/* B1 */ {nullptr, on_server_time_request, on_server_time_request, on_server_time_request, on_server_time_request, nullptr, }, /* B1 */
/* B2 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* B2 */
/* B3 */ {nullptr, on_function_call_result, on_function_call_result, on_function_call_result, on_function_call_result, on_function_call_result, }, /* B3 */
/* B4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* B4 */
/* B5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* B5 */
/* B6 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* B6 */
/* B7 */ {nullptr, nullptr, nullptr, on_ignored_command, nullptr, nullptr, }, /* B7 */
/* B8 */ {nullptr, nullptr, nullptr, on_ignored_command, nullptr, nullptr, }, /* B8 */
/* B9 */ {nullptr, nullptr, nullptr, on_ignored_command, nullptr, nullptr, }, /* B9 */
/* BA */ {nullptr, nullptr, nullptr, on_ep3_meseta_transaction, nullptr, nullptr, }, /* BA */
/* BB */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* BB */
/* BC */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* BC */
/* BD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* BD */
/* BE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* BE */
/* BF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* BF */
// PATCH DC PC GC XB BB
/* C0 */ {nullptr, on_choice_search, nullptr, on_choice_search, on_choice_search, nullptr, }, /* C0 */
/* C1 */ {nullptr, on_create_game_dc_v3, on_create_game_pc, on_create_game_dc_v3, on_create_game_dc_v3, on_create_game_bb, }, /* C1 */
/* C2 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* C2 */
/* C3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* C3 */
/* C4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* C4 */
/* C5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* C5 */
/* C6 */ {nullptr, nullptr, on_set_blocked_senders_list, on_set_blocked_senders_list, on_set_blocked_senders_list, on_set_blocked_senders_list, }, /* C6 */
/* C7 */ {nullptr, nullptr, on_set_auto_reply_t<char16_t>, on_set_auto_reply_t<char>, on_set_auto_reply_t<char>, on_set_auto_reply_t<char16_t>, }, /* C7 */
/* C8 */ {nullptr, nullptr, on_disable_auto_reply, on_disable_auto_reply, on_disable_auto_reply, on_disable_auto_reply, }, /* C8 */
/* C9 */ {nullptr, nullptr, nullptr, on_game_command, nullptr, nullptr, }, /* C9 */
/* CA */ {nullptr, nullptr, nullptr, on_ep3_server_data_request, nullptr, nullptr, }, /* CA */
/* CB */ {nullptr, nullptr, nullptr, on_game_command, nullptr, nullptr, }, /* CB */
/* CC */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* CC */
/* CD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* CD */
/* CE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* CE */
/* CF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* CF */
/* D0 */ {nullptr, nullptr, nullptr, on_trade_start, on_trade_start, on_trade_start, }, /* D0 */
/* D1 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* D1 */
/* D2 */ {nullptr, nullptr, nullptr, on_trade_execute, on_trade_execute, on_trade_execute, }, /* D2 */
/* D3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* D3 */
/* D4 */ {nullptr, nullptr, nullptr, on_trade_error, on_trade_error, on_trade_error, }, /* D4 */
/* D5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* D5 */
/* D6 */ {nullptr, nullptr, nullptr, on_message_box_closed, on_message_box_closed, nullptr, }, /* D6 */
/* D7 */ {nullptr, nullptr, nullptr, on_gba_file_request, on_gba_file_request, nullptr, }, /* D7 */
/* D8 */ {nullptr, nullptr, on_info_board_request, on_info_board_request, on_info_board_request, on_info_board_request, }, /* D8 */
/* D9 */ {nullptr, nullptr, on_write_info_board_t<char16_t>, on_write_info_board_t<char>, on_write_info_board_t<char>, on_write_info_board_t<char16_t>,}, /* D9 */
/* DA */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* DA */
/* DB */ {nullptr, nullptr, nullptr, on_verify_license_v3, on_verify_license_v3, nullptr, }, /* DB */
/* DC */ {nullptr, nullptr, nullptr, on_ep3_counter_state, nullptr, on_guild_card_data_request_bb, }, /* DC */
/* DD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* DD */
/* DE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* DE */
/* DF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* DF */
// PATCH DC PC GC XB BB
/* E0 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_key_config_request_bb, }, /* E0 */
/* E1 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* E1 */
/* E2 */ {nullptr, nullptr, nullptr, on_ep3_tournament_control, nullptr, on_update_key_config_bb, }, /* E2 */
/* E3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_player_preview_request_bb, }, /* E3 */
/* E4 */ {nullptr, nullptr, nullptr, on_ep3_battle_table_state, nullptr, nullptr, }, /* E4 */
/* E5 */ {nullptr, nullptr, nullptr, on_ep3_battle_table_confirm, nullptr, on_create_character_bb, }, /* E5 */
/* E6 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* E6 */
/* E7 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_return_player_data_bb, }, /* E7 */
/* E8 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_client_checksum_bb, }, /* E8 */
/* E9 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* E9 */
/* EA */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_team_command_bb, }, /* EA */
/* EB */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_stream_file_request_bb, }, /* EB */
/* EC */ {nullptr, nullptr, nullptr, on_create_game_dc_v3, nullptr, on_leave_char_select_bb, }, /* EC */
/* ED */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_change_account_data_bb, }, /* ED */
/* EE */ {nullptr, nullptr, nullptr, on_card_trade, nullptr, nullptr, }, /* EE */
/* EF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* EF */
/* F0 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F0 */
/* F1 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F1 */
/* F2 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F2 */
/* F3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F3 */
/* F4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F4 */
/* F5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F5 */
/* F6 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F6 */
/* F7 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F7 */
/* F8 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F8 */
/* F9 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* F9 */
/* FA */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* FA */
/* FB */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* FB */
/* FC */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* FC */
/* FD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* FD */
/* FE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* FE */
/* FF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, }, /* FF */
// PATCH DC PC GC XB BB
};
static void check_unlicensed_command(GameVersion version, uint8_t command) {
switch (version) {
case GameVersion::DC:
// newserv doesn't actually know that DC clients are DC until it receives
// an appropriate login command (93, 9A, or 9D), but those commands also
// log the client in, so this case should never be executed.
throw logic_error("cannot check unlicensed command for DC client");
case GameVersion::PC:
if (command != 0x9A && command != 0x9D) {
throw runtime_error("only commands 9A and 9D may be sent before login");
}
break;
case GameVersion::GC:
case GameVersion::XB:
// See comment in the DC case above for why DC commands are included here.
if (command != 0x88 && // DC NTE
command != 0x8B && // DC NTE
command != 0x90 && // DC v1
command != 0x93 && // DC v1
command != 0x9A && // DC v2
command != 0x9D && // DC v2, GC trial edition
command != 0x9E && // GC non-trial
command != 0xDB) { // GC non-trial
throw runtime_error("only commands 88, 8B, 90, 93, 9A, 9D, 9E, and DB may be sent before login");
}
break;
case GameVersion::BB:
if (command != 0x93) {
throw runtime_error("only command 93 may be sent before login");
}
break;
case GameVersion::PATCH:
if (command != 0x02 && command != 0x04) {
throw runtime_error("only commands 02 and 04 may be sent before login");
}
break;
default:
throw logic_error("invalid game version");
}
}
void on_command(shared_ptr<ServerState> s, shared_ptr<Client> c,
uint16_t command, uint32_t flag, const string& data) {
string encoded_name;
auto player = c->game_data.player(false);
if (player) {
encoded_name = remove_language_marker(encode_sjis(player->disp.name));
}
// Most of the command handlers assume the client is registered, logged in,
// and not banned (and therefore that c->license is not null), so the client
// is allowed to access normal functionality. This check prevents clients from
// sneakily sending commands to access functionality without logging in.
if (!c->license.get()) {
check_unlicensed_command(c->version(), command);
}
auto fn = handlers[command & 0xFF][static_cast<size_t>(c->version())];
if (fn) {
fn(s, c, command, flag, data);
} else {
on_unimplemented_command(s, c, command, flag, data);
}
}
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