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37c4cbd8f35e28e4c1b54ebbe3a017c2d7ad1d9c
psopeeps-newserv/src/ReceiveCommands.cc
T
Martin Michelsen 37c4cbd8f3 undo battle table fast loading change
2023-10-02 16:58:14 -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 "ChatCommands.hh"
#include "Compression.hh"
#include "Episode3/Tournament.hh"
#include "FileContentsCache.hh"
#include "ItemCreator.hh"
#include "Loggers.hh"
#include "PSOProtocol.hh"
#include "ProxyServer.hh"
#include "ReceiveSubcommands.hh"
#include "SendCommands.hh"
#include "StaticGameData.hh"
#include "Text.hh"
using namespace std;
const char* BATTLE_TABLE_DISCONNECT_HOOK_NAME = "battle_table_state";
const char* QUEST_BARRIER_DISCONNECT_HOOK_NAME = "quest_barrier";
const char* ADD_NEXT_CLIENT_DISCONNECT_HOOK_NAME = "add_next_game_client";
static shared_ptr<const Menu> proxy_options_menu_for_client(shared_ptr<const Client> c) {
auto s = c->require_server_state();
shared_ptr<Menu> ret(new Menu(MenuID::PROXY_OPTIONS, u"Proxy options"));
ret->items.emplace_back(ProxyOptionsMenuItemID::GO_BACK, u"Go back", u"Return to the\nProxy Server menu", 0);
auto add_option = [&](uint32_t item_id, bool is_enabled, const char16_t* text, const char16_t* description) -> void {
u16string option = is_enabled ? u"* " : u"- ";
option += text;
ret->items.emplace_back(item_id, option, description, 0);
};
add_option(ProxyOptionsMenuItemID::CHAT_COMMANDS, c->options.enable_chat_commands,
u"Chat commands", u"Enable chat\ncommands");
add_option(ProxyOptionsMenuItemID::CHAT_FILTER, c->options.enable_chat_filter,
u"Chat filter", u"Enable escape\nsequences in\nchat messages\nand info board");
add_option(ProxyOptionsMenuItemID::PLAYER_NOTIFICATIONS, c->options.enable_player_notifications,
u"Player notifs", u"Show a message\nwhen other players\njoin or leave");
add_option(ProxyOptionsMenuItemID::BLOCK_PINGS, c->options.suppress_client_pings,
u"Block pings", u"Block ping commands\nsent by the client");
if (s->cheat_mode_behavior != ServerState::CheatModeBehavior::OFF) {
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
add_option(ProxyOptionsMenuItemID::INFINITE_HP, c->options.infinite_hp,
u"Infinite HP", u"Enable automatic HP\nrestoration when\nyou are hit by an\nenemy or trap\n\nCannot revive you\nfrom one-hit kills");
add_option(ProxyOptionsMenuItemID::INFINITE_TP, c->options.infinite_tp,
u"Infinite TP", u"Enable automatic TP\nrestoration when\nyou cast any\ntechnique");
add_option(ProxyOptionsMenuItemID::SWITCH_ASSIST, c->options.switch_assist,
u"Switch assist", u"Automatically try\nto unlock 2-player\ndoors when you step\non both switches\nsequentially");
} else {
// Note: This option's text is the maximum possible length for any menu item
add_option(ProxyOptionsMenuItemID::EP3_INFINITE_MESETA, c->options.ep3_infinite_meseta,
u"Infinite Meseta", u"Fix Meseta value\nat 1,000,000");
}
}
add_option(ProxyOptionsMenuItemID::BLOCK_EVENTS, (c->options.override_lobby_event >= 0),
u"Block events", u"Disable seasonal\nevents in the lobby\nand in games");
add_option(ProxyOptionsMenuItemID::BLOCK_PATCHES, (c->options.function_call_return_value >= 0),
u"Block patches", u"Disable patches sent\nby the remote server");
if (s->proxy_allow_save_files) {
add_option(ProxyOptionsMenuItemID::SAVE_FILES, c->options.save_files,
u"Save files", u"Save local copies of\nfiles from the\nremote server\n(quests, etc.)");
}
if (s->proxy_enable_login_options) {
add_option(ProxyOptionsMenuItemID::RED_NAME, c->options.red_name,
u"Red name", u"Set the colors\nof your name and\nChallenge Mode\nrank to red");
add_option(ProxyOptionsMenuItemID::BLANK_NAME, c->options.blank_name,
u"Blank name", u"Suppress your\ncharacter name\nduring login");
add_option(ProxyOptionsMenuItemID::SUPPRESS_LOGIN, c->options.suppress_remote_login,
u"Skip login", u"Use an alternate\nlogin sequence");
add_option(ProxyOptionsMenuItemID::SKIP_CARD, c->options.zero_remote_guild_card,
u"Skip card", u"Use an alternate\nvalue for your initial\nGuild Card");
}
return ret;
}
static void send_client_to_lobby_server(shared_ptr<Client> c) {
auto s = c->require_server_state();
const auto& port_name = version_to_lobby_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<Client> c) {
auto s = c->require_server_state();
const auto& port_name = version_to_proxy_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->options = c->options;
session->options.save_files &= s->proxy_allow_save_files;
session->options.suppress_remote_login &= s->proxy_enable_login_options;
if (session->options.zero_remote_guild_card && s->proxy_enable_login_options) {
session->remote_guild_card_number = 0;
}
send_reconnect(c, s->connect_address_for_client(c), local_port);
}
static void send_proxy_destinations_menu(shared_ptr<Client> c) {
auto s = c->require_server_state();
send_menu(c, s->proxy_destinations_menu_for_version(c->version()));
}
static bool send_enable_send_function_call_if_applicable(shared_ptr<Client> c) {
auto s = c->require_server_state();
if (function_compiler_available() &&
(c->flags & Client::Flag::USE_OVERFLOW_FOR_SEND_FUNCTION_CALL)) {
if (s->ep3_send_function_call_enabled) {
send_quest_buffer_overflow(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<Client> c) {
switch (c->server_behavior) {
case ServerBehavior::PC_CONSOLE_DETECT: {
auto s = c->require_server_state();
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(c, SendServerInitFlag::IS_INITIAL_CONNECTION);
break;
case ServerBehavior::PATCH_SERVER_BB:
c->flags |= Client::Flag::IS_BB_PATCH;
send_server_init(c, 0);
break;
case ServerBehavior::PATCH_SERVER_PC:
case ServerBehavior::DATA_SERVER_BB:
case ServerBehavior::LOBBY_SERVER:
send_server_init(c, 0);
break;
default:
c->log.error("Unimplemented behavior: %" PRId64,
static_cast<int64_t>(c->server_behavior));
}
}
static void send_main_menu(shared_ptr<Client> c) {
auto s = c->require_server_state();
shared_ptr<Menu> main_menu(new Menu(MenuID::MAIN, s->name));
main_menu->items.emplace_back(
MainMenuItemID::GO_TO_LOBBY, u"Go to lobby",
[s, wc = weak_ptr<Client>(c)]() -> u16string {
auto c = wc.lock();
if (!c) {
return u"";
}
size_t num_players = 0;
size_t num_games = 0;
size_t num_compatible_games = 0;
for (const auto& it : s->id_to_lobby) {
const auto& l = it.second;
if (l->is_game()) {
num_games++;
if (l->version == c->version() &&
(!l->is_ep3() == !(c->flags & Client::Flag::IS_EPISODE_3))) {
num_compatible_games++;
}
}
for (const auto& c : l->clients) {
if (c) {
num_players++;
}
}
}
string info = string_printf(
"$C6%zu$C7 players online\n$C6%zu$C7 games\n$C6%zu$C7 compatible games",
num_players, num_games, num_compatible_games);
return decode_sjis(info);
},
0);
main_menu->items.emplace_back(MainMenuItemID::INFORMATION, u"Information",
u"View server\ninformation", MenuItem::Flag::INVISIBLE_ON_DCNTE | MenuItem::Flag::REQUIRES_MESSAGE_BOXES);
uint32_t proxy_destinations_menu_item_flags =
// DCNTE doesn't support multiple ship select menus without changing
// servers (via a 19 command) apparently :(
MenuItem::Flag::INVISIBLE_ON_DCNTE |
(s->proxy_destinations_dc.empty() ? MenuItem::Flag::INVISIBLE_ON_DC : 0) |
(s->proxy_destinations_pc.empty() ? MenuItem::Flag::INVISIBLE_ON_PC : 0) |
(s->proxy_destinations_gc.empty() ? MenuItem::Flag::INVISIBLE_ON_GC : 0) |
(s->proxy_destinations_xb.empty() ? MenuItem::Flag::INVISIBLE_ON_XB : 0) |
MenuItem::Flag::INVISIBLE_ON_BB;
main_menu->items.emplace_back(MainMenuItemID::PROXY_DESTINATIONS, u"Proxy server",
u"Connect to another\nserver", proxy_destinations_menu_item_flags);
main_menu->items.emplace_back(MainMenuItemID::DOWNLOAD_QUESTS, u"Download quests",
u"Download quests", MenuItem::Flag::INVISIBLE_ON_DCNTE | MenuItem::Flag::INVISIBLE_ON_BB);
if (!s->is_replay) {
if (!s->function_code_index->patch_menu_empty(c->specific_version)) {
main_menu->items.emplace_back(MainMenuItemID::PATCHES, u"Patches",
u"Change game\nbehaviors", MenuItem::Flag::GC_ONLY | MenuItem::Flag::REQUIRES_SEND_FUNCTION_CALL);
}
if (!s->dol_file_index->empty()) {
main_menu->items.emplace_back(MainMenuItemID::PROGRAMS, u"Programs",
u"Run GameCube\nprograms", MenuItem::Flag::GC_ONLY | MenuItem::Flag::REQUIRES_SEND_FUNCTION_CALL | MenuItem::Flag::REQUIRES_SAVE_DISABLED);
}
}
main_menu->items.emplace_back(MainMenuItemID::DISCONNECT, u"Disconnect",
u"Disconnect", 0);
main_menu->items.emplace_back(MainMenuItemID::CLEAR_LICENSE, u"Clear license",
u"Disconnect with an\ninvalid license error\nso you can enter a\ndifferent serial\nnumber, access key,\nor password",
MenuItem::Flag::INVISIBLE_ON_DCNTE | MenuItem::Flag::INVISIBLE_ON_BB);
send_menu(c, main_menu);
}
void on_login_complete(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)) {
auto s = c->require_server_state();
// 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->channel, s->ep3_menu_song);
} else if (s->pre_lobby_event) {
send_change_event(c, s->pre_lobby_event);
}
send_ep3_rank_update(c);
send_get_player_info(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(c)) {
send_update_client_config(c);
}
send_main_menu(c);
} 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;
}
if (c->flags & Client::Flag::IS_EPISODE_3) {
send_ep3_rank_update(c);
}
send_lobby_list(c);
send_get_player_info(c);
}
}
void on_disconnect(shared_ptr<Client> c) {
// If the client was in a lobby, remove them and notify the other clients
auto l = c->lobby.lock();
if (l) {
auto server = c->server.lock();
if (server) {
server->get_state()->remove_client_from_lobby(c);
}
}
// 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_GC_TRIAL_EDITION;
c->log.info("GC Trial Edition flag set");
}
}
c->flags |= flags_for_version(c->version(), sub_version);
if (c->specific_version == default_specific_version_for_version(c->version(), -1)) {
c->specific_version = default_specific_version_for_version(c->version(), sub_version);
}
}
static void on_DB_V3(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_VerifyLicense_V3_DB>(data);
auto s = c->require_server_state();
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_index->verify_gc(serial_number, cmd.access_key, cmd.password);
c->set_license(l);
send_command(c, 0x9A, 0x02);
} catch (const LicenseIndex::incorrect_access_key& e) {
send_command(c, 0x9A, 0x03);
c->should_disconnect = true;
return;
} catch (const LicenseIndex::incorrect_password& e) {
send_command(c, 0x9A, 0x01);
return;
} catch (const LicenseIndex::missing_license& e) {
if (!s->allow_unregistered_users) {
send_command(c, 0x9A, 0x04);
c->should_disconnect = true;
return;
} else {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
l->gc_password = cmd.password;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
send_command(c, 0x9A, 0x02);
}
}
}
static void on_88_DCNTE(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Login_DCNTE_88>(data);
auto s = c->require_server_state();
c->channel.version = GameVersion::DC;
c->flags |= flags_for_version(c->version(), -1);
c->flags |= Client::Flag::IS_DC_V1 | Client::Flag::IS_DC_TRIAL_EDITION;
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<License> l = s->license_index->verify_v1_v2(serial_number, cmd.access_key);
c->set_license(l);
send_command(c, 0x88, 0x00);
} catch (const LicenseIndex::incorrect_access_key& e) {
send_message_box(c, u"Incorrect access key");
c->should_disconnect = true;
} catch (const LicenseIndex::missing_license& e) {
if (!s->allow_unregistered_users) {
send_message_box(c, u"Incorrect serial number");
c->should_disconnect = true;
} else {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
send_command(c, 0x88, 0x00);
}
}
}
static void on_8B_DCNTE(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Login_DCNTE_8B>(data, sizeof(C_LoginExtended_DCNTE_8B));
auto s = c->require_server_state();
c->channel.version = GameVersion::DC;
c->flags |= flags_for_version(c->version(), -1);
c->flags |= Client::Flag::IS_DC_V1 | Client::Flag::IS_DC_TRIAL_EDITION;
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<License> l = s->license_index->verify_v1_v2(
serial_number, cmd.access_key);
c->set_license(l);
} catch (const LicenseIndex::incorrect_access_key& e) {
send_message_box(c, u"Incorrect access key");
c->should_disconnect = true;
} catch (const LicenseIndex::missing_license& e) {
if (!s->allow_unregistered_users) {
send_message_box(c, u"Incorrect serial number");
c->should_disconnect = true;
} else {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
}
}
if (cmd.is_extended) {
const auto& ext_cmd = check_size_t<C_LoginExtended_DCNTE_8B>(data);
if (ext_cmd.extension.lobby_refs[0].menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = ext_cmd.extension.lobby_refs[0].item_id;
}
}
if (!c->should_disconnect) {
send_update_client_config(c);
on_login_complete(c);
}
}
static void on_90_DC(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_LoginV1_DC_PC_V3_90>(data, 0xFFFF);
auto s = c->require_server_state();
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<License> l = s->license_index->verify_v1_v2(serial_number, cmd.access_key);
c->set_license(l);
send_command(c, 0x90, 0x02);
} catch (const LicenseIndex::incorrect_access_key& e) {
send_command(c, 0x90, 0x03);
c->should_disconnect = true;
} catch (const LicenseIndex::missing_license& e) {
if (!s->allow_unregistered_users) {
send_command(c, 0x90, 0x03);
c->should_disconnect = true;
} else {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
send_command(c, 0x90, 0x01);
}
}
}
static void on_92_DC(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_t<C_RegisterV1_DC_92>(data);
// It appears that in response to 90 01, the DCv1 prototype sends 93 rather
// than 92, so we use the presence of a 92 command to determine that the
// client is actually DCv1 and not the prototype.
c->flags = (c->flags & ~Client::Flag::IS_DC_V1_PROTOTYPE) | Client::Flag::CHECKED_FOR_DC_V1_PROTOTYPE;
send_command(c, 0x92, 0x01);
}
static void on_93_DC(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_LoginV1_DC_93>(data, sizeof(C_LoginExtendedV1_DC_93));
auto s = c->require_server_state();
set_console_client_flags(c, cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<License> l = s->license_index->verify_v1_v2(serial_number, cmd.access_key);
c->set_license(l);
} catch (const LicenseIndex::incorrect_access_key& e) {
send_message_box(c, u"Incorrect access key");
c->should_disconnect = true;
return;
} catch (const LicenseIndex::missing_license& e) {
if (!s->allow_unregistered_users) {
send_message_box(c, u"Incorrect serial number");
c->should_disconnect = true;
return;
} else {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
}
}
if (cmd.is_extended) {
const auto& ext_cmd = check_size_t<C_LoginExtendedV1_DC_93>(data);
if (ext_cmd.extension.lobby_refs[0].menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = ext_cmd.extension.lobby_refs[0].item_id;
}
}
send_update_client_config(c);
// The first time we receive a 93 from a DC client, we set this flag and send
// a 92. The IS_DC_V1_PROTOTYPE flag will be removed if the client sends a 92
// command (which it seems the prototype never does). This is why we always
// respond with 90 01 here - that's the only case where actual DCv1 sends a
// 92 command. The IS_DC_V1_PROTOTYPE flag will be removed if the client does
// indeed send a 92.
if (!(c->flags & Client::Flag::CHECKED_FOR_DC_V1_PROTOTYPE)) {
send_command(c, 0x90, 0x01);
c->flags |= (Client::Flag::CHECKED_FOR_DC_V1_PROTOTYPE | Client::Flag::IS_DC_V1_PROTOTYPE);
} else {
on_login_complete(c);
}
}
static void on_9A(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Login_DC_PC_V3_9A>(data);
auto s = c->require_server_state();
set_console_client_flags(c, cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = s->license_index->verify_v1_v2(serial_number, cmd.access_key);
break;
case GameVersion::GC:
l = s->license_index->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 LicenseIndex::incorrect_access_key& e) {
send_command(c, 0x9A, 0x03);
c->should_disconnect = true;
return;
} catch (const LicenseIndex::incorrect_password& e) {
send_command(c, 0x9A, 0x01);
return;
} catch (const LicenseIndex::missing_license& e) {
// On V3, the client should have sent a different command containing the
// password already, which should have created and added a 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)) {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
send_command(c, 0x9A, 0x02);
} else {
throw runtime_error("unsupported game version");
}
}
}
static void on_9C(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Register_DC_PC_V3_9C>(data);
auto s = c->require_server_state();
set_console_client_flags(c, cmd.sub_version);
uint32_t serial_number = stoul(cmd.serial_number, nullptr, 16);
try {
shared_ptr<License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = s->license_index->verify_v1_v2(serial_number, cmd.access_key);
break;
case GameVersion::GC:
l = s->license_index->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 LicenseIndex::incorrect_password& e) {
send_command(c, 0x9C, 0x00);
c->should_disconnect = true;
return;
} catch (const LicenseIndex::missing_license& e) {
if (!s->allow_unregistered_users) {
send_command(c, 0x9C, 0x00);
c->should_disconnect = true;
return;
} else {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = cmd.access_key;
if (c->version() == GameVersion::GC) {
l->gc_password = cmd.password;
}
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
send_command(c, 0x9C, 0x01);
}
}
}
static void on_9D_9E(shared_ptr<Client> c, uint16_t command, uint32_t, const string& data) {
const C_Login_DC_PC_GC_9D* base_cmd;
auto s = c->require_server_state();
if (command == 0x9D) {
base_cmd = &check_size_t<C_Login_DC_PC_GC_9D>(data, 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.lobby_refs[0].menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.extension.lobby_refs[0].item_id;
}
} else {
const auto& cmd = check_size_t<C_LoginExtended_DC_GC_9D>(data);
if (cmd.extension.lobby_refs[0].menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.extension.lobby_refs[0].item_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_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.lobby_refs[0].menu_id == MenuID::LOBBY) {
c->preferred_lobby_id = cmd.extension.lobby_refs[0].item_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->ep3_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<License> l;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::PC:
l = s->license_index->verify_v1_v2(serial_number, base_cmd->access_key);
break;
case GameVersion::GC:
l = s->license_index->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 LicenseIndex::incorrect_access_key& e) {
send_command(c, 0x04, 0x03);
c->should_disconnect = true;
return;
} catch (const LicenseIndex::incorrect_password& e) {
send_command(c, 0x04, 0x06);
c->should_disconnect = true;
return;
} catch (const LicenseIndex::missing_license& e) {
// On V3, the client should have sent a different command containing the
// password already, which should have created and added a 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)) {
shared_ptr<License> l(new License());
l->serial_number = serial_number;
l->access_key = base_cmd->access_key;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
} else {
throw runtime_error("unsupported game version");
}
}
send_update_client_config(c);
on_login_complete(c);
}
static void on_93_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Login_BB_93>(data, sizeof(C_Login_BB_93) - 8, sizeof(C_Login_BB_93));
auto s = c->require_server_state();
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_index->verify_bb(cmd.username, cmd.password);
c->set_license(l);
} catch (const LicenseIndex::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 LicenseIndex::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(new License());
l->serial_number = fnv1a32(cmd.username) & 0x7FFFFFFF;
l->bb_username = cmd.username;
l->bb_password = cmd.password;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
}
}
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(c);
break;
case ClientStateBB::IN_GAME:
break;
default:
throw runtime_error("invalid bb game state");
}
}
static void on_9F_V3(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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_96(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_t<C_CharSaveInfo_DCv2_PC_V3_BB_96>(data);
send_server_time(c);
}
static void on_B1(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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(c);
} else if (c->should_send_to_proxy_server) {
send_client_to_proxy_server(c);
}
}
static void on_BA_Ep3(shared_ptr<Client> c, uint16_t command, uint32_t, const string& data) {
const auto& in_cmd = check_size_t<C_MesetaTransaction_GC_Ep3_BA>(data);
auto s = c->require_server_state();
auto l = c->lobby.lock();
bool is_lobby = l && !l->is_game();
uint32_t current_meseta, total_meseta_earned;
if (s->ep3_infinite_meseta) {
current_meseta = 1000000;
total_meseta_earned = 1000000;
} else if (is_lobby && s->ep3_jukebox_is_free) {
current_meseta = c->license->ep3_current_meseta;
total_meseta_earned = c->license->ep3_total_meseta_earned;
} else {
if (c->license->ep3_current_meseta < in_cmd.value) {
throw runtime_error("meseta overdraft not allowed");
}
c->license->ep3_current_meseta -= in_cmd.value;
c->license->save();
current_meseta = c->license->ep3_current_meseta;
total_meseta_earned = c->license->ep3_total_meseta_earned;
}
S_MesetaTransaction_GC_Ep3_BA out_cmd = {current_meseta, total_meseta_earned, in_cmd.request_token};
send_command(c, command, 0x03, &out_cmd, sizeof(out_cmd));
}
static bool add_next_game_client(shared_ptr<Lobby> l) {
auto it = l->clients_to_add.begin();
if (it == l->clients_to_add.end()) {
return false;
}
size_t target_client_id = it->first;
shared_ptr<Client> c = it->second.lock();
l->clients_to_add.erase(it);
auto tourn = l->tournament_match ? l->tournament_match->tournament.lock() : nullptr;
// If the game is a tournament match and the client has disconnected before
// they could join the match, disband the entire game
if (!c && l->tournament_match) {
send_command(l, 0xED, 0x00);
return false;
}
if (l->clients[target_client_id] != nullptr) {
throw logic_error("client id is already in use");
}
auto s = c->require_server_state();
if (tourn) {
G_SetStateFlags_GC_Ep3_6xB4x03 state_cmd;
state_cmd.state.turn_num = 1;
state_cmd.state.battle_phase = Episode3::BattlePhase::INVALID_00;
state_cmd.state.current_team_turn1 = 0xFF;
state_cmd.state.current_team_turn2 = 0xFF;
state_cmd.state.action_subphase = Episode3::ActionSubphase::ATTACK;
state_cmd.state.setup_phase = Episode3::SetupPhase::REGISTRATION;
state_cmd.state.registration_phase = Episode3::RegistrationPhase::AWAITING_NUM_PLAYERS;
state_cmd.state.team_exp.clear(0);
state_cmd.state.team_dice_boost.clear(0);
state_cmd.state.first_team_turn = 0xFF;
state_cmd.state.tournament_flag = 0x01;
state_cmd.state.client_sc_card_types.clear(Episode3::CardType::INVALID_FF);
if (!(s->ep3_behavior_flags & Episode3::BehaviorFlag::DISABLE_MASKING)) {
uint8_t mask_key = (random_object<uint32_t>() % 0xFF) + 1;
set_mask_for_ep3_game_command(&state_cmd, sizeof(state_cmd), mask_key);
}
send_command_t(c, 0xC9, 0x00, state_cmd);
}
s->change_client_lobby(c, l, true, target_client_id);
c->flags |= Client::Flag::LOADING;
c->disconnect_hooks.emplace(ADD_NEXT_CLIENT_DISCONNECT_HOOK_NAME, [s, l]() -> void {
add_next_game_client(l);
});
return true;
}
static bool start_ep3_battle_table_game_if_ready(shared_ptr<Lobby> l, int16_t table_number) {
if (table_number < 0) {
// Negative numbers are supposed to mean the client is not seated at a
// table, so it's an error for this function to be called with a negative
// table number
throw runtime_error("negative table number");
}
// Figure out which clients are at this table. If any client has declined, we
// never start a match, but we may start a match even if all clients have not
// yet accepted (in case of a tournament match).
unordered_map<size_t, shared_ptr<Client>> table_clients;
bool all_clients_accepted = true;
for (const auto& c : l->clients) {
if (!c || (c->card_battle_table_number != table_number)) {
continue;
}
if (c->card_battle_table_seat_number >= 4) {
throw runtime_error("invalid seat number");
}
// Apparently this can actually happen; just prevent them from starting a
// battle if multiple players are in the same seat
if (!table_clients.emplace(c->card_battle_table_seat_number, c).second) {
return false;
}
if (c->card_battle_table_seat_state == 3) {
return false;
}
if (c->card_battle_table_seat_state != 2) {
all_clients_accepted = false;
}
}
if (table_clients.size() > 4) {
throw runtime_error("too many clients at battle table");
}
// Figure out if this is a tournament match setup
unordered_set<shared_ptr<Episode3::Tournament::Match>> tourn_matches;
for (const auto& it : table_clients) {
auto team = it.second->ep3_tournament_team.lock();
auto tourn = team ? team->tournament.lock() : nullptr;
auto match = tourn ? tourn->next_match_for_team(team) : nullptr;
// Note: We intentionally don't check for null here. This is to handle the
// case where a tournament-registered player steps into a seat at a table
// where a non-tournament-registered player is already present - we should
// NOT start any match until the non-tournament-registered player leaves,
// or they both accept (and we start a non-tournament match).
tourn_matches.emplace(match);
}
// Get the tournament. Invariant: both tourn_match and tourn are null, or
// neither are null.
auto tourn_match = (tourn_matches.size() == 1) ? *tourn_matches.begin() : nullptr;
auto tourn = tourn_match ? tourn_match->tournament.lock() : nullptr;
if (!tourn || !tourn_match->preceding_a->winner_team || !tourn_match->preceding_b->winner_team) {
tourn.reset();
tourn_match.reset();
}
// If this is a tournament match setup, check if all required players are
// present and rearrange their client IDs to match their team positions
unordered_map<size_t, shared_ptr<Client>> game_clients;
if (tourn_match) {
unordered_map<size_t, uint32_t> required_serial_numbers;
auto add_team_players = [&](shared_ptr<const Episode3::Tournament::Team> team, size_t base_index) -> void {
size_t z = 0;
for (const auto& player : team->players) {
if (z >= 2) {
throw logic_error("more than 2 players on team");
}
if (player.is_human()) {
required_serial_numbers.emplace(base_index + z, player.serial_number);
}
z++;
}
};
add_team_players(tourn_match->preceding_a->winner_team, 0);
add_team_players(tourn_match->preceding_b->winner_team, 2);
for (const auto& it : required_serial_numbers) {
size_t client_id = it.first;
uint32_t serial_number = it.second;
for (const auto& it : table_clients) {
if (it.second->license->serial_number == serial_number) {
game_clients.emplace(client_id, it.second);
}
}
}
if (game_clients.size() != required_serial_numbers.size()) {
// Not all tournament match participants are present, so we can't start
// the tournament match. (But they can still use the battle table)
tourn_match.reset();
tourn.reset();
} else {
// If there is already a game for this match, don't allow a new one to
// start
auto s = l->require_server_state();
for (auto l : s->all_lobbies()) {
if (l->tournament_match == tourn_match) {
tourn_match.reset();
tourn.reset();
}
}
}
}
// In the non-tournament case (or if the tournament case was rejected above),
// only start the game if all players have accepted. If they have, just put
// them in the clients map in seat order.
if (!tourn_match) {
if (!all_clients_accepted) {
return false;
}
game_clients = std::move(table_clients);
}
// If there are no clients, do nothing (this happens when the last player
// leaves a battle table without starting a game)
if (game_clients.empty()) {
return false;
}
// At this point, we've checked all the necessary conditions for a game to
// begin, but create_game_generic can still return null if an internal
// precondition fails (though this should never happen for Episode 3 games).
auto c = game_clients.begin()->second;
auto s = c->require_server_state();
uint32_t flags = Lobby::Flag::NON_V1_ONLY;
u16string name = tourn ? decode_sjis(tourn->get_name()) : u"<BattleTable>";
auto game = create_game_generic(
s, c, name, u"", Episode::EP3,
GameMode::NORMAL, 0, flags);
if (!game) {
return false;
}
game->tournament_match = tourn_match;
game->ep3_ex_result_values = (tourn_match && tourn && tourn->get_final_match() == tourn_match)
? s->ep3_tournament_final_round_ex_values
: s->ep3_tournament_ex_values;
game->clients_to_add.clear();
for (const auto& it : game_clients) {
game->clients_to_add.emplace(it.first, it.second);
}
// Remove all players from the battle table (but don't tell them about this)
for (const auto& it : game_clients) {
auto other_c = it.second;
other_c->card_battle_table_number = -1;
other_c->card_battle_table_seat_number = 0;
other_c->disconnect_hooks.erase(BATTLE_TABLE_DISCONNECT_HOOK_NAME);
}
// If there's only one client in the match, skip the wait phase - they'll be
// added to the match immediately by add_next_game_client anyway
if (game_clients.empty()) {
throw logic_error("no clients to add to battle table match");
} else if (game_clients.size() != 1) {
for (const auto& it : game_clients) {
auto other_c = it.second;
send_self_leave_notification(other_c);
u16string message;
if (tourn) {
message = decode_sjis(string_printf(
"$C7Waiting to begin match in tournament\n$C6%s$C7...\n\n(Hold B+X+START to abort)",
tourn->get_name().c_str()));
} else {
message = u"$C7Waiting to begin battle table match...\n\n(Hold B+X+START to abort)";
}
send_message_box(other_c, message);
}
}
// Add the first client to the game (the remaining clients will be added when
// the previous is done loading)
add_next_game_client(game);
return true;
}
static void on_ep3_battle_table_state_updated(shared_ptr<Lobby> l, int16_t table_number) {
send_ep3_card_battle_table_state(l, table_number);
start_ep3_battle_table_game_if_ready(l, table_number);
}
static void on_E4_Ep3(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
const auto& cmd = check_size_t<C_CardBattleTableState_GC_Ep3_E4>(data);
auto l = c->require_lobby();
if (cmd.seat_number >= 4) {
throw runtime_error("invalid seat number");
}
if (flag) {
if (l->is_game() || !l->is_ep3()) {
throw runtime_error("battle table join command sent in non-CARD lobby");
}
c->card_battle_table_number = cmd.table_number;
c->card_battle_table_seat_number = cmd.seat_number;
c->card_battle_table_seat_state = 1;
} else { // Leaving battle table
c->card_battle_table_number = -1;
c->card_battle_table_seat_number = 0;
c->card_battle_table_seat_state = 0;
}
on_ep3_battle_table_state_updated(l, cmd.table_number);
bool should_have_disconnect_hook = (c->card_battle_table_number != -1);
if (should_have_disconnect_hook && !c->disconnect_hooks.count(BATTLE_TABLE_DISCONNECT_HOOK_NAME)) {
c->disconnect_hooks.emplace(BATTLE_TABLE_DISCONNECT_HOOK_NAME, [l, c]() -> void {
int16_t table_number = c->card_battle_table_number;
c->card_battle_table_number = -1;
c->card_battle_table_seat_number = 0;
c->card_battle_table_seat_state = 0;
if (table_number != -1) {
on_ep3_battle_table_state_updated(l, c->card_battle_table_number);
}
});
} else if (!should_have_disconnect_hook) {
c->disconnect_hooks.erase(BATTLE_TABLE_DISCONNECT_HOOK_NAME);
}
}
static void on_E5_Ep3(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
check_size_t<S_CardBattleTableConfirmation_GC_Ep3_E5>(data);
auto l = c->require_lobby();
if (l->is_game() || !l->is_ep3()) {
throw runtime_error("battle table command sent in non-CARD lobby");
}
if (c->card_battle_table_number < 0) {
throw runtime_error("invalid table number");
}
if (flag) {
c->card_battle_table_seat_state = 2;
} else {
c->card_battle_table_seat_state = 3;
}
on_ep3_battle_table_state_updated(l, c->card_battle_table_number);
}
static void on_DC_Ep3(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
check_size_v(data.size(), 0);
auto l = c->lobby.lock();
if (!l) {
return;
}
if (flag != 0) {
send_command(c, 0xDC, 0x00);
if (l->tournament_match) {
auto tourn = l->tournament_match->tournament.lock();
if (tourn) {
send_ep3_set_tournament_player_decks(c);
string data = Episode3::Server::prepare_6xB6x41_map_definition(
tourn->get_map(), l->flags & Lobby::Flag::IS_EP3_TRIAL);
c->channel.send(0x6C, 0x00, data);
}
}
l->flags |= Lobby::Flag::BATTLE_IN_PROGRESS;
} else {
l->flags &= ~Lobby::Flag::BATTLE_IN_PROGRESS;
}
}
static void on_tournament_bracket_updated(
shared_ptr<ServerState> s, shared_ptr<const Episode3::Tournament> tourn) {
tourn->send_all_state_updates();
if (tourn->get_state() == Episode3::Tournament::State::COMPLETE) {
auto team = tourn->get_winner_team();
if (!team->has_any_human_players()) {
send_ep3_text_message_printf(s, "$C7A CPU team won\nthe tournament\n$C6%s", tourn->get_name().c_str());
} else {
send_ep3_text_message_printf(s, "$C6%s$C7\nwon the tournament\n$C6%s", team->name.c_str(), tourn->get_name().c_str());
}
s->ep3_tournament_index->delete_tournament(tourn->get_name());
} else {
s->ep3_tournament_index->save();
}
}
static void on_CA_Ep3(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
auto l = c->lobby.lock();
if (!l) {
// In rare cases (e.g. when two players end a tournament's match results
// screens at exactly the same time), the client can send a server data
// command when it's not in any lobby at all. We just ignore such commands.
return;
}
if (!l->is_game() || !l->is_ep3()) {
throw runtime_error("Episode 3 server data request sent outside of Episode 3 game");
}
if (l->battle_player) {
return;
}
auto s = l->require_server_state();
const auto& header = check_size_t<G_CardServerDataCommandHeader>(data, 0xFFFF);
if (header.subcommand != 0xB3) {
throw runtime_error("unknown Episode 3 server data request");
}
if (!l->ep3_server || l->ep3_server->battle_finished) {
auto s = c->require_server_state();
if (!l->ep3_server) {
l->log.info("Creating Episode 3 server state");
} else {
l->log.info("Recreating Episode 3 server state");
}
auto tourn = l->tournament_match ? l->tournament_match->tournament.lock() : nullptr;
bool is_trial = (l->flags & Lobby::Flag::IS_EP3_TRIAL);
l->ep3_server = make_shared<Episode3::Server>(
l,
is_trial ? s->ep3_card_index_trial : s->ep3_card_index,
s->ep3_map_index,
s->ep3_behavior_flags,
l->random_crypt,
tourn);
l->ep3_server->init();
if (s->ep3_behavior_flags & Episode3::BehaviorFlag::ENABLE_STATUS_MESSAGES) {
for (size_t z = 0; z < l->max_clients; z++) {
if (l->clients[z]) {
send_text_message_printf(l->clients[z], "Your client ID: $C6%zu", z);
}
}
}
if (s->ep3_behavior_flags & Episode3::BehaviorFlag::ENABLE_RECORDING) {
if (l->battle_record) {
for (const auto& c : l->clients) {
if (c) {
c->ep3_prev_battle_record = l->battle_record;
}
}
}
l->battle_record.reset(new Episode3::BattleRecord(s->ep3_behavior_flags));
for (auto existing_c : l->clients) {
if (existing_c) {
PlayerLobbyDataDCGC lobby_data;
lobby_data.name = encode_sjis(existing_c->game_data.player()->disp.name);
lobby_data.player_tag = 0x00010000;
lobby_data.guild_card = existing_c->license->serial_number;
l->battle_record->add_player(
lobby_data,
existing_c->game_data.player()->inventory,
existing_c->game_data.player()->disp.to_dcpcv3(),
c->game_data.ep3_config ? (c->game_data.ep3_config->online_clv_exp / 100) : 0);
}
}
if (s->ep3_behavior_flags & Episode3::BehaviorFlag::ENABLE_STATUS_MESSAGES) {
if (c->ep3_prev_battle_record) {
send_text_message(l, u"$C6Recording complete");
}
send_text_message(l, u"$C6Recording enabled");
}
}
}
bool battle_finished_before = l->ep3_server->battle_finished;
l->ep3_server->on_server_data_input(data);
if (!battle_finished_before && l->ep3_server->battle_finished && l->battle_record) {
l->battle_record->set_battle_end_timestamp();
}
if (l->tournament_match &&
l->ep3_server->setup_phase == Episode3::SetupPhase::BATTLE_ENDED &&
!l->ep3_server->tournament_match_result_sent) {
int8_t winner_team_id = l->ep3_server->get_winner_team_id();
if (winner_team_id == -1) {
throw runtime_error("match complete, but winner team not specified");
}
auto tourn = l->tournament_match->tournament.lock();
tourn->print_bracket(stderr);
shared_ptr<Episode3::Tournament::Team> winner_team;
shared_ptr<Episode3::Tournament::Team> loser_team;
if (winner_team_id == 0) {
winner_team = l->tournament_match->preceding_a->winner_team;
loser_team = l->tournament_match->preceding_b->winner_team;
} else if (winner_team_id == 1) {
winner_team = l->tournament_match->preceding_b->winner_team;
loser_team = l->tournament_match->preceding_a->winner_team;
} else {
throw logic_error("invalid winner team id");
}
l->tournament_match->set_winner_team(winner_team);
uint32_t meseta_reward = 0;
auto& round_rewards = loser_team->has_any_human_players()
? s->ep3_defeat_player_meseta_rewards
: s->ep3_defeat_com_meseta_rewards;
meseta_reward = (l->tournament_match->round_num - 1 < round_rewards.size())
? round_rewards[l->tournament_match->round_num - 1]
: round_rewards.back();
if (l->tournament_match == tourn->get_final_match()) {
meseta_reward += s->ep3_final_round_meseta_bonus;
}
for (const auto& player : winner_team->players) {
if (player.is_human()) {
auto winner_c = player.client.lock();
if (winner_c) {
winner_c->license->ep3_current_meseta += meseta_reward;
winner_c->license->ep3_total_meseta_earned += meseta_reward;
winner_c->license->save();
send_ep3_rank_update(winner_c);
}
}
}
send_ep3_tournament_match_result(l, meseta_reward);
on_tournament_bracket_updated(s, tourn);
l->ep3_server->tournament_match_result_sent = true;
}
}
static void on_E2_Ep3(shared_ptr<Client> c, uint16_t, uint32_t flag, const string&) {
switch (flag) {
case 0x00: // Request tournament list
send_ep3_tournament_list(c, false);
break;
case 0x01: { // Check tournament
auto team = c->ep3_tournament_team.lock();
if (team) {
auto tourn = team->tournament.lock();
if (tourn) {
send_ep3_tournament_entry_list(c, tourn, false);
} else {
send_lobby_message_box(c, u"$C6The tournament\nhas concluded.");
}
} else {
send_lobby_message_box(c, u"$C6You are not\nregistered in a\ntournament.");
}
break;
}
case 0x02: { // Cancel tournament entry
auto team = c->ep3_tournament_team.lock();
if (team) {
auto tourn = team->tournament.lock();
if (tourn) {
if (tourn->get_state() != Episode3::Tournament::State::COMPLETE) {
auto s = c->require_server_state();
team->unregister_player(c->license->serial_number);
on_tournament_bracket_updated(s, tourn);
}
c->ep3_tournament_team.reset();
}
}
send_ep3_confirm_tournament_entry(c, nullptr);
break;
}
case 0x03: // Create tournament spectator team (get battle list)
case 0x04: // Join tournament spectator team (get team list)
send_lobby_message_box(c, u"$C6Use View Regular\nBattle for this");
break;
default:
throw runtime_error("invalid tournament operation");
}
}
static void on_D6_V3(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
if (c->flags & Client::Flag::IN_INFORMATION_MENU) {
auto s = c->require_server_state();
send_menu(c, s->information_menu_for_version(c->version()));
} else if (c->flags & Client::Flag::AT_WELCOME_MESSAGE) {
send_enable_send_function_call_if_applicable(c);
c->flags &= ~Client::Flag::AT_WELCOME_MESSAGE;
send_update_client_config(c);
send_main_menu(c);
}
}
static void on_09(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_MenuItemInfoRequest_09>(data);
auto s = c->require_server_state();
switch (cmd.menu_id) {
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: {
bool is_download_quest = !c->lobby.lock();
if (!s->quest_index) {
send_quest_info(c, u"$C6Quests are not available.", is_download_quest);
} else {
auto q = s->quest_index->get(c->quest_version(), cmd.item_id);
if (!q) {
send_quest_info(c, u"$C4Quest does not\nexist.", is_download_quest);
} else {
send_quest_info(c, q->long_description.c_str(), is_download_quest);
}
}
break;
}
case MenuID::GAME: {
auto game = s->find_lobby(cmd.item_id);
if (!game) {
send_ship_info(c, u"$C4Game no longer\nexists.");
break;
}
if (!game->is_game()) {
send_ship_info(c, u"$C4Incorrect game ID");
} else if ((c->flags & Client::Flag::IS_EPISODE_3) && game->is_ep3()) {
send_ep3_game_details(c, game);
} 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->is_ep3()) {
info += string_printf("%zu: $C6%s$C7 L%" PRIu32 "\n",
x + 1, name.c_str(), player->disp.stats.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.visual.char_class),
player->disp.stats.level + 1);
}
}
}
string secid_str = name_for_section_id(game->section_id);
info += string_printf("%s %c %s %s\n",
abbreviation_for_episode(game->episode),
abbreviation_for_difficulty(game->difficulty),
abbreviation_for_mode(game->mode),
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->quest) {
if (game->flags & Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS) {
info += "$C6Quest: " + encode_sjis(game->quest->name);
} else {
info += "$C4Quest: " + encode_sjis(game->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";
} else if (game->flags & Lobby::Flag::BATTLE_IN_PROGRESS) {
info += "$C4Battle in progress";
}
if (game->flags & Lobby::Flag::SPECTATORS_FORBIDDEN) {
info += "$C4View Battle forbidden";
}
send_ship_info(c, decode_sjis(info));
}
break;
}
case MenuID::TOURNAMENTS_FOR_SPEC:
case MenuID::TOURNAMENTS: {
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
send_ship_info(c, u"Incorrect menu ID");
break;
}
auto tourn = s->ep3_tournament_index->get_tournament(cmd.item_id);
if (tourn) {
send_ep3_tournament_details(c, tourn);
}
break;
}
case MenuID::TOURNAMENT_ENTRIES: {
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
send_ship_info(c, u"Incorrect menu ID");
break;
}
uint16_t tourn_num = cmd.item_id >> 16;
uint16_t team_index = cmd.item_id & 0xFFFF;
auto tourn = s->ep3_tournament_index->get_tournament(tourn_num);
if (tourn) {
auto team = tourn->get_team(team_index);
if (team) {
string message;
if (team->name.empty()) {
message = "(No registrant)";
} else if (team->max_players == 1) {
message = string_printf("$C6%s$C7\n%zu %s (%s)\nPlayers:",
team->name.c_str(),
team->num_rounds_cleared,
team->num_rounds_cleared == 1 ? "win" : "wins",
team->is_active ? "active" : "defeated");
} else {
message = string_printf("$C6%s$C7\n%zu %s (%s)%s\nPlayers:",
team->name.c_str(),
team->num_rounds_cleared,
team->num_rounds_cleared == 1 ? "win" : "wins",
team->is_active ? "active" : "defeated",
team->password.empty() ? "" : "\n$C4Locked$C7");
}
for (const auto& player : team->players) {
if (player.is_human()) {
if (player.player_name.empty()) {
message += string_printf("\n $C6%08" PRIX32 "$C7", player.serial_number);
} else {
message += string_printf("\n $C6%s$C7 (%08" PRIX32 ")", player.player_name.c_str(), player.serial_number);
}
} else {
message += string_printf("\n $C3%s \"%s\"$C7", player.com_deck->player_name.c_str(), player.com_deck->deck_name.c_str());
}
}
send_ship_info(c, decode_sjis(message));
} else {
send_ship_info(c, u"$C7No such team");
}
} else {
send_ship_info(c, u"$C7No such tournament");
}
break;
}
default:
if (!c->last_menu_sent || c->last_menu_sent->menu_id != cmd.menu_id) {
send_ship_info(c, u"Incorrect menu ID");
} else {
for (const auto& item : c->last_menu_sent->items) {
if (item.item_id == cmd.item_id) {
if (item.get_description != nullptr) {
send_ship_info(c, item.get_description());
} else {
send_ship_info(c, item.description);
}
return;
}
}
send_ship_info(c, u"$C4Incorrect menu\nitem ID");
}
break;
}
}
static void on_10(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
bool uses_unicode = ((c->version() == GameVersion::PC) || (c->version() == GameVersion::BB));
uint32_t menu_id;
uint32_t item_id;
u16string team_name;
u16string password;
if (data.size() > sizeof(C_MenuSelection_10_Flag00)) {
if (uses_unicode) {
// TODO: We can support the Flag03 variant here, but PC/BB probably never
// actually use it.
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 if (data.size() > sizeof(C_MenuSelection_DC_V3_10_Flag02)) {
const auto& cmd = check_size_t<C_MenuSelection_DC_V3_10_Flag03>(data);
team_name = decode_sjis(cmd.unknown_a1);
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_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 and the v1 prototype crash if they receive a 97 command,
// so we instead do the redirect immediately
if ((c->version() == GameVersion::DC) &&
(c->flags & (Client::Flag::IS_DC_TRIAL_EDITION | Client::Flag::IS_DC_V1_PROTOTYPE))) {
send_client_to_lobby_server(c);
} else {
send_command(c, 0x97, 0x01);
send_update_client_config(c);
}
} else {
send_client_to_lobby_server(c);
}
break;
}
case MainMenuItemID::INFORMATION: {
auto s = c->require_server_state();
send_menu(c, s->information_menu_for_version(c->version()));
c->flags |= Client::Flag::IN_INFORMATION_MENU;
break;
}
case MainMenuItemID::PROXY_DESTINATIONS:
send_proxy_destinations_menu(c);
break;
case MainMenuItemID::DOWNLOAD_QUESTS: {
auto s = c->require_server_state();
if (c->flags & Client::Flag::IS_EPISODE_3) {
// 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 other versions use.)
vector<shared_ptr<const Quest>> quests;
for (const auto& category : s->quest_category_index->categories) {
if (category.flags & QuestCategoryIndex::Category::Flag::EP3_DOWNLOAD) {
quests = s->quest_index->filter(c->quest_version(), category.category_id);
break;
}
}
send_quest_menu(c, MenuID::QUEST, quests, true);
} else {
uint8_t flags = QuestCategoryIndex::Category::Flag::DOWNLOAD;
if (c->version() == GameVersion::DC || c->version() == GameVersion::PC) {
flags |= QuestCategoryIndex::Category::Flag::HIDE_ON_PRE_V3;
}
send_quest_menu(c, MenuID::QUEST_FILTER, s->quest_category_index, flags);
}
break;
}
case MainMenuItemID::PATCHES:
if (!function_compiler_available()) {
throw runtime_error("function compiler not available");
}
if (c->flags & Client::Flag::NO_SEND_FUNCTION_CALL) {
throw runtime_error("client does not support send_function_call");
}
prepare_client_for_patches(c, [c]() -> void {
send_menu(c, c->require_server_state()->function_code_index->patch_menu(c->specific_version));
});
break;
case MainMenuItemID::PROGRAMS:
if (!function_compiler_available()) {
throw runtime_error("function compiler not available");
}
if (c->flags & Client::Flag::NO_SEND_FUNCTION_CALL) {
throw runtime_error("client does not support send_function_call");
}
prepare_client_for_patches(c, [c]() -> void {
send_menu(c, c->require_server_state()->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_main_menu(c);
} else {
try {
send_message_box(c, c->require_server_state()->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(c);
break;
case ProxyOptionsMenuItemID::CHAT_COMMANDS:
c->options.enable_chat_commands = !c->options.enable_chat_commands;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::CHAT_FILTER:
c->options.enable_chat_filter = !c->options.enable_chat_filter;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::PLAYER_NOTIFICATIONS:
c->options.enable_player_notifications = !c->options.enable_player_notifications;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::BLOCK_PINGS:
c->options.suppress_client_pings = !c->options.suppress_client_pings;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::INFINITE_HP:
c->options.infinite_hp = !c->options.infinite_hp;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::INFINITE_TP:
c->options.infinite_tp = !c->options.infinite_tp;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SWITCH_ASSIST:
c->options.switch_assist = !c->options.switch_assist;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::EP3_INFINITE_MESETA:
c->options.ep3_infinite_meseta = !c->options.ep3_infinite_meseta;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::BLOCK_EVENTS:
if (c->options.override_lobby_event >= 0) {
c->options.override_lobby_event = -1;
} else {
c->options.override_lobby_event = 0;
}
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::BLOCK_PATCHES:
if (c->options.function_call_return_value >= 0) {
c->options.function_call_return_value = -1;
} else {
c->options.function_call_return_value = 0xFFFFFFFF;
}
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SAVE_FILES:
c->options.save_files = !c->options.save_files;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::RED_NAME:
c->options.red_name = !c->options.red_name;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::BLANK_NAME:
c->options.blank_name = !c->options.blank_name;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SUPPRESS_LOGIN:
c->options.suppress_remote_login = !c->options.suppress_remote_login;
goto resend_proxy_options_menu;
case ProxyOptionsMenuItemID::SKIP_CARD:
c->options.zero_remote_guild_card = !c->options.zero_remote_guild_card;
resend_proxy_options_menu:
send_menu(c, 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_main_menu(c);
} else if (item_id == ProxyDestinationsMenuItemID::OPTIONS) {
send_menu(c, proxy_options_menu_for_client(c));
} else {
auto s = c->require_server_state();
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"$C6No such destination exists.");
c->should_disconnect = true;
} else {
// Clear Check Tactics menu so client won't see newserv tournament
// state while logically on another server
if ((c->flags & Client::Flag::IS_EPISODE_3) && !(c->flags & Client::Flag::IS_EP3_TRIAL_EDITION)) {
send_ep3_confirm_tournament_entry(c, nullptr);
}
c->proxy_destination_address = resolve_ipv4(dest->first);
c->proxy_destination_port = dest->second;
if (!(c->flags & Client::Flag::SAVE_ENABLED)) {
c->should_send_to_proxy_server = true;
c->flags |= Client::Flag::SAVE_ENABLED;
send_command(c, 0x97, 0x01);
send_update_client_config(c);
} else {
send_update_client_config(c);
send_client_to_proxy_server(c);
}
}
}
break;
}
case MenuID::GAME: {
auto s = c->require_server_state();
auto game = s->find_lobby(item_id);
if (!game) {
send_lobby_message_box(c, u"$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->is_ep3() != !(c->flags & Client::Flag::IS_EPISODE_3)) ||
(!(game->flags & Lobby::Flag::IS_EP3_TRIAL) != !(c->flags & Client::Flag::IS_EP3_TRIAL_EDITION)) ||
((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->flags & Lobby::Flag::BATTLE_IN_PROGRESS) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because a\nbattle is already\nin progress.");
break;
}
if (game->any_client_loading()) {
send_lobby_message_box(c, u"$C6You cannot join this\ngame because\nanother player is\ncurrently loading.\nTry again soon.");
break;
}
if (game->mode == GameMode::SOLO) {
send_lobby_message_box(c, u"$C6You cannot join this\n game because it is\na Solo Mode game.");
break;
}
if (!(c->license->flags & License::Flag::FREE_JOIN_GAMES)) {
if (!game->password.empty() && (password != game->password)) {
send_lobby_message_box(c, u"$C6Incorrect password.");
break;
}
if (c->game_data.player()->disp.stats.level < game->min_level) {
send_lobby_message_box(c, u"$C6Your level is too\nlow to join this\ngame.");
break;
}
if (c->game_data.player()->disp.stats.level > game->max_level) {
send_lobby_message_box(c, u"$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: {
auto s = c->require_server_state();
if (!s->quest_index) {
send_lobby_message_box(c, u"$C6Quests are not available.");
break;
}
shared_ptr<Lobby> l = c->lobby.lock();
auto quests = s->quest_index->filter(c->quest_version(), item_id);
// Hack: Assume the menu to be sent is the download quest menu if the
// client is not in any lobby
send_quest_menu(c, MenuID::QUEST, quests, !l);
break;
}
case MenuID::QUEST: {
auto s = c->require_server_state();
if (!s->quest_index) {
send_lobby_message_box(c, u"$C6Quests are not available.");
break;
}
auto q = s->quest_index->get(c->quest_version(), item_id);
if (!q) {
send_lobby_message_box(c, u"$C6Quest does not exist.");
break;
}
// If the client is not in a lobby, send the quest as a download quest.
// Otherwise, they must be in a game to load a quest.
auto l = c->lobby.lock();
if (l && !l->is_game()) {
send_lobby_message_box(c, u"$C6Quests cannot be\nloaded in lobbies.");
break;
}
bool is_ep3 = (q->episode == Episode::EP3);
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->quest = q;
l->episode = q->episode;
for (size_t x = 0; x < l->max_clients; x++) {
if (!l->clients[x]) {
continue;
}
send_open_quest_file(l->clients[x], bin_basename + ".bin",
bin_basename, bin_contents, QuestFileType::ONLINE);
send_open_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_GC_TRIAL_EDITION)) {
l->clients[x]->flags |= Client::Flag::LOADING_QUEST;
l->clients[x]->disconnect_hooks.emplace(QUEST_BARRIER_DISCONNECT_HOOK_NAME, [l]() -> void {
send_quest_barrier_if_all_clients_ready(l);
});
}
}
} 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_open_quest_file(c, quest_name, bin_basename, q->bin_contents(),
is_ep3 ? QuestFileType::EPISODE_3 : QuestFileType::DOWNLOAD);
if (dat_contents) {
send_open_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_main_menu(c);
} else {
if (c->flags & Client::Flag::NO_SEND_FUNCTION_CALL) {
throw runtime_error("client does not support send_function_call");
}
auto s = c->require_server_state();
uint64_t key = (static_cast<uint64_t>(item_id) << 32) | c->specific_version;
send_function_call(
c, s->function_code_index->menu_item_id_and_specific_version_to_patch_function.at(key));
c->function_call_response_queue.emplace_back(empty_function_call_response_handler);
send_menu(c, s->function_code_index->patch_menu(c->specific_version));
}
break;
case MenuID::PROGRAMS:
if (item_id == ProgramsMenuItemID::GO_BACK) {
send_main_menu(c);
} else {
if (c->flags & Client::Flag::NO_SEND_FUNCTION_CALL) {
throw runtime_error("client does not support send_function_call");
}
auto s = c->require_server_state();
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;
case MenuID::TOURNAMENTS_FOR_SPEC:
case MenuID::TOURNAMENTS: {
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("non-Episode 3 client attempted to join tournament");
}
auto s = c->require_server_state();
auto tourn = s->ep3_tournament_index->get_tournament(item_id);
if (tourn) {
send_ep3_tournament_entry_list(c, tourn, (menu_id == MenuID::TOURNAMENTS_FOR_SPEC));
}
break;
}
case MenuID::TOURNAMENT_ENTRIES: {
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("non-Episode 3 client attempted to join tournament");
}
if (c->ep3_tournament_team.lock()) {
send_lobby_message_box(c, u"$C6You are registered\nin a different\ntournament already");
break;
}
if (team_name.empty()) {
team_name = c->game_data.player()->disp.name;
team_name += decode_sjis(string_printf("/%" PRIX32, c->license->serial_number));
}
auto s = c->require_server_state();
uint16_t tourn_num = item_id >> 16;
uint16_t team_index = item_id & 0xFFFF;
auto tourn = s->ep3_tournament_index->get_tournament(tourn_num);
if (tourn) {
auto team = tourn->get_team(team_index);
if (team) {
try {
team->register_player(c, encode_sjis(team_name), encode_sjis(password));
c->ep3_tournament_team = team;
tourn->send_all_state_updates();
string message = string_printf("$C7You are registered in $C6%s$C7.\n\
\n\
After the tournament begins, start your matches\n\
by standing at any Battle Table along with your\n\
partner (if any) and opponent(s).",
tourn->get_name().c_str());
send_ep3_timed_message_box(c->channel, 240, message.c_str());
s->ep3_tournament_index->save();
} catch (const exception& e) {
string message = string_printf("Cannot join team:\n%s", e.what());
send_lobby_message_box(c, decode_sjis(message));
}
} else {
send_lobby_message_box(c, u"Team does not exist");
}
} else {
send_lobby_message_box(c, u"Tournament does\nnot exist");
}
break;
}
default:
send_message_box(c, u"Incorrect menu ID");
break;
}
}
static void on_84(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_LobbySelection_84>(data);
auto s = c->require_server_state();
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.lock()) {
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 {
auto new_lobby = s->find_lobby(cmd.item_id);
if (!new_lobby) {
send_lobby_message_box(c, u"$C6Can't change lobby\n\n$C7The lobby does not\nexist.");
return;
}
if (new_lobby->is_game()) {
send_lobby_message_box(c, u"$C6Can't change lobby\n\n$C7The specified lobby\nis a game.");
return;
}
if (new_lobby->is_ep3() && !(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_08_E6(shared_ptr<Client> c, uint16_t command, uint32_t, const string& data) {
check_size_v(data.size(), 0);
send_game_menu(c, (command == 0xE6), false);
}
static void on_1F(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
auto s = c->require_server_state();
send_menu(c, s->information_menu_for_version(c->version()), true);
}
static void on_A0(shared_ptr<Client> c, uint16_t, uint32_t, const string&) {
// 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"");
}
const auto& port_name = version_to_login_port_name.at(static_cast<size_t>(c->version()));
auto s = c->require_server_state();
send_reconnect(c, s->connect_address_for_client(c),
s->name_to_port_config.at(port_name)->port);
}
static void on_A1(shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
// newserv doesn't have blocks; treat block change the same as ship change
on_A0(c, command, flag, data);
}
static void on_8E_DCNTE(shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
if (c->flags & Client::Flag::IS_DC_TRIAL_EDITION) {
on_A0(c, command, flag, data);
} else {
throw runtime_error("non-DCNTE client sent 8E");
}
}
static void on_8F_DCNTE(shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
if (c->flags & Client::Flag::IS_DC_TRIAL_EDITION) {
on_A1(c, command, flag, data);
} else {
throw runtime_error("non-DCNTE client sent 8F");
}
}
static void send_dol_file_chunk(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");
}
// Note: The protocol allows commands to be up to 0x7C00 bytes in size, but
// sending large B2 commands can cause the client to crash or softlock. To
// avoid this, we limit the payload to 4KB, which results in a B2 command
// 0x10D0 bytes in size.
size_t bytes_to_send = min<size_t>(0x1000, c->loading_dol_file->data.size() - offset);
string data_to_send = c->loading_dol_file->data.substr(offset, bytes_to_send);
auto s = c->require_server_state();
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("%zu%%%%", progress_percent);
send_ship_info(c, decode_sjis(info));
}
static void on_B3(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
const auto& cmd = check_size_t<C_ExecuteCodeResult_B3>(data);
auto s = c->require_server_state();
if (!c->function_call_response_queue.empty()) {
auto& handler = c->function_call_response_queue.front();
handler(cmd.return_value, cmd.checksum);
c->function_call_response_queue.pop_front();
} else if (c->loading_dol_file.get()) {
auto called_fn = s->function_code_index->index_to_function.at(flag);
if (called_fn->name == "ReadMemoryWord") {
c->dol_base_addr = (cmd.return_value - c->loading_dol_file->data.size()) & (~3);
send_dol_file_chunk(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(c, cmd.return_value);
}
} else {
throw logic_error("unknown function called during DOL loading");
}
} else {
throw runtime_error("function call response queue is empty, and no program is being sent");
}
}
static void on_A2(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
check_size_v(data.size(), 0);
auto s = c->require_server_state();
if (!s->quest_index) {
send_lobby_message_box(c, u"$C6Quests are not available.");
return;
}
auto l = c->lobby.lock();
if (!l || !l->is_game()) {
send_lobby_message_box(c, u"$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 {
uint8_t flags = (c->version() == GameVersion::DC || c->version() == GameVersion::PC)
? QuestCategoryIndex::Category::Flag::HIDE_ON_PRE_V3
: 0;
if ((c->version() == GameVersion::BB) && flag) {
flags |= QuestCategoryIndex::Category::Flag::GOVERNMENT;
} else {
switch (l->mode) {
case GameMode::NORMAL:
flags |= QuestCategoryIndex::Category::Flag::NORMAL;
break;
case GameMode::BATTLE:
flags |= QuestCategoryIndex::Category::Flag::BATTLE;
break;
case GameMode::CHALLENGE:
flags |= QuestCategoryIndex::Category::Flag::CHALLENGE;
break;
case GameMode::SOLO:
flags |= QuestCategoryIndex::Category::Flag::SOLO;
break;
default:
throw logic_error("invalid game mode");
}
}
send_quest_menu(c, MenuID::QUEST_FILTER, s->quest_category_index, flags);
}
}
static void on_AC_V3_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
auto l = c->require_lobby();
if (c->flags & Client::Flag::LOADING_RUNNING_QUEST) {
c->flags &= ~Client::Flag::LOADING_RUNNING_QUEST;
if (l->version != GameVersion::BB) {
throw logic_error("joinable quest started on non-BB version");
}
auto leader_c = l->clients.at(l->leader_id);
if (!leader_c) {
throw logic_error("lobby leader is missing");
}
send_command(c, 0xAC, 0x00);
send_command(leader_c, 0xDD, c->lobby_client_id);
} else if (c->flags & Client::Flag::LOADING_QUEST) {
c->flags &= ~Client::Flag::LOADING_QUEST;
if (!l->quest.get()) {
return;
}
if (send_quest_barrier_if_all_clients_ready(l) &&
(l->version == GameVersion::BB) &&
l->map &&
l->quest) {
auto dat_contents = prs_decompress(*l->quest->dat_contents());
l->map->clear();
l->map->add_enemies_from_quest_data(l->episode, l->difficulty, l->event, dat_contents.data(), dat_contents.size());
c->log.info("Replaced enemies list with quest layout (%zu entries)",
l->map->enemies.size());
for (size_t z = 0; z < l->map->enemies.size(); z++) {
string e_str = l->map->enemies[z].str();
l->log.info("(Entry %zX) %s", z, e_str.c_str());
}
}
}
}
static void on_AA(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_SendQuestStatistic_V3_BB_AA>(data);
if (c->version() == GameVersion::DC || c->version() == GameVersion::PC) {
throw runtime_error("pre-V3 client sent update quest stats command");
}
if (c->flags & Client::Flag::IS_GC_TRIAL_EDITION) {
throw runtime_error("trial edition client sent update quest stats command");
}
auto l = c->require_lobby();
if (!l->is_game() || !l->quest.get()) {
return;
}
// TODO: Send the right value here. (When should we send function_id2?)
S_ConfirmQuestStatistic_V3_BB_AB response;
response.function_id = cmd.function_id1;
send_command_t(c, 0xAB, 0x00, response);
}
static void on_D7_GC(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
string filename(data);
strip_trailing_zeroes(filename);
if (filename.find('/') != string::npos) {
throw runtime_error("GBA file name includes directory separator");
}
static FileContentsCache gba_file_cache(300 * 1000 * 1000);
auto f = gba_file_cache.get_or_load("system/gba/" + filename).file;
send_open_quest_file(c, "", filename, f->data, QuestFileType::GBA_DEMO);
}
static void send_file_chunk(
shared_ptr<Client> c,
const string& filename,
size_t chunk_index,
bool is_download_quest) {
shared_ptr<const string> data;
try {
data = c->sending_files.at(filename);
} catch (const out_of_range&) {
return;
}
size_t chunk_offset = chunk_index * 0x400;
if (chunk_offset >= data->size()) {
c->log.info("Done sending file %s", filename.c_str());
c->sending_files.erase(filename);
} else {
const void* chunk_data = data->data() + (chunk_index * 0x400);
size_t chunk_size = min<size_t>(data->size() - chunk_offset, 0x400);
send_quest_file_chunk(c, filename, chunk_index, chunk_data, chunk_size, is_download_quest);
}
}
static void on_44_A6_V3_BB(shared_ptr<Client> c, uint16_t command, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_OpenFileConfirmation_44_A6>(data);
send_file_chunk(c, cmd.filename, 0, (command == 0xA6));
}
static void on_13_A7_V3_BB(shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
const auto& cmd = check_size_t<C_WriteFileConfirmation_V3_BB_13_A7>(data);
send_file_chunk(c, cmd.filename, flag + 1, (command == 0xA7));
}
static void on_61_98(shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
switch (c->version()) {
case GameVersion::DC: {
if (c->flags & Client::Flag::IS_DC_V1) {
const auto& pd = check_size_t<C_CharacterData_DCv1_61_98>(data);
auto player = c->game_data.player();
player->inventory = pd.inventory;
player->disp = pd.disp.to_bb();
} else {
const auto& pd = check_size_t<C_CharacterData_DCv2_61_98>(data, 0xFFFF);
auto player = c->game_data.player();
player->inventory = pd.inventory;
player->disp = pd.disp.to_bb();
player->battle_records = pd.records.battle;
player->challenge_records = pd.records.challenge;
// TODO: Parse choice search config
}
break;
}
case GameVersion::PC: {
const auto& pd = check_size_t<C_CharacterData_PC_61_98>(data, 0xFFFF);
auto player = c->game_data.player();
auto account = c->game_data.account();
player->inventory = pd.inventory;
player->disp = pd.disp.to_bb();
player->battle_records = pd.records.battle;
player->challenge_records = pd.records.challenge;
// TODO: Parse choice search config
account->blocked_senders = pd.blocked_senders;
if (pd.auto_reply_enabled) {
player->auto_reply = pd.auto_reply;
} else {
player->auto_reply.clear(0);
}
break;
}
case GameVersion::GC:
case GameVersion::XB: {
const C_CharacterData_V3_61_98* cmd;
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<C_CharacterData_GC_Ep3_61_98>(data);
c->game_data.ep3_config.reset(new Episode3::PlayerConfig(pd3->ep3_config));
cmd = reinterpret_cast<const C_CharacterData_V3_61_98*>(pd3);
} else {
if (c->flags & Client::Flag::IS_EPISODE_3) {
c->flags = (c->flags | Client::Flag::IS_EP3_TRIAL_EDITION) & (~Client::Flag::ENCRYPTED_SEND_FUNCTION_CALL);
}
cmd = &check_size_t<C_CharacterData_V3_61_98>(data, 0xFFFF);
}
auto s = c->require_server_state();
// We use the flag field in this command to differentiate between Ep3
// Trial Edition and the final version: Trial Edition sends flag=3, and
// the final version sends flag=4. Because the contents of the card list
// update and the current tournament entry depend on this flag, we have
// to delay sending them until now, instead of sending them during the
// login sequence.
if (c->flags & Client::Flag::IS_EPISODE_3) {
bool flags_changed = false;
if (!(c->flags & Client::Flag::HAS_EP3_CARD_DEFS)) {
send_ep3_card_list_update(c);
c->flags |= Client::Flag::HAS_EP3_CARD_DEFS;
flags_changed = true;
}
if (!(c->flags & Client::Flag::HAS_EP3_MEDIA_UPDATES)) {
for (const auto& banner : s->ep3_lobby_banners) {
send_ep3_media_update(c, banner.type, banner.which, banner.data);
c->flags |= Client::Flag::HAS_EP3_MEDIA_UPDATES;
flags_changed = true;
}
}
s->ep3_tournament_index->link_client(c);
if (flags_changed) {
send_update_client_config(c);
}
}
auto account = c->game_data.account();
auto player = c->game_data.player();
player->inventory = cmd->inventory;
if (c->version() == GameVersion::GC) {
for (size_t z = 0; z < 30; z++) {
player->inventory.items[z].data.bswap_data2_if_mag();
}
}
player->disp = cmd->disp.to_bb();
player->battle_records = cmd->records.battle;
player->challenge_records = cmd->records.challenge;
// TODO: Parse choice search config
player->info_board = cmd->info_board;
account->blocked_senders = cmd->blocked_senders;
if (cmd->auto_reply_enabled) {
player->auto_reply = cmd->auto_reply;
} else {
player->auto_reply.clear(0);
}
break;
}
case GameVersion::BB: {
const auto& cmd = check_size_t<C_CharacterData_BB_61_98>(data, 0xFFFF);
auto account = c->game_data.account();
auto player = c->game_data.player();
// Note: we don't copy the inventory and disp here because we already have
// them (we sent the player data to the client in the first place)
player->battle_records = cmd.records.battle;
player->challenge_records = cmd.records.challenge;
// TODO: Parse choice search config
player->info_board = cmd.info_board;
account->blocked_senders = cmd.blocked_senders;
if (cmd.auto_reply_enabled) {
player->auto_reply = cmd.auto_reply;
} else {
player->auto_reply.clear(0);
}
break;
}
default:
throw logic_error("player data command not implemented for version");
}
auto s = c->require_server_state();
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,
"$C6BB player data saved\nas player %hhu for user\n%s",
static_cast<uint8_t>(c->pending_bb_save_player_index + 1),
c->pending_bb_save_username.c_str());
}
c->game_data.bb_username = prev_bb_username;
c->game_data.bb_player_index = prev_bb_player_index;
c->pending_bb_save_username.clear();
}
// We use 61 during the lobby server init sequence to trigger joining an
// available lobby
if (!c->lobby.lock() && (c->server_behavior == ServerBehavior::LOBBY_SERVER)) {
s->add_client_to_available_lobby(c);
}
}
}
static void on_6x_C9_CB(shared_ptr<Client> c, uint16_t command, uint32_t flag, const string& data) {
check_size_v(data.size(), 4, 0xFFFF);
on_subcommand_multi(c, command, flag, data);
}
static void on_chat_generic(shared_ptr<Client> c, const u16string& text) {
if (text.empty()) {
return;
}
auto l = c->lobby.lock();
if (!l) {
return;
}
char private_flags = 0;
u16string processed_text;
if ((text[0] != '\t') && l->is_ep3()) {
private_flags = text[0];
processed_text = remove_language_marker(text.substr(1));
} else {
processed_text = remove_language_marker(text);
}
if (processed_text.empty()) {
return;
}
if (processed_text[0] == L'$') {
if (processed_text[1] == L'$') {
processed_text = processed_text.substr(1);
} else {
on_chat_command(c, processed_text);
return;
}
}
if (!c->can_chat) {
return;
}
u16string from_name = c->game_data.player()->disp.name;
for (size_t x = 0; x < l->max_clients; x++) {
if (l->clients[x]) {
send_chat_message(l->clients[x], c->license->serial_number,
from_name, processed_text.c_str(), private_flags);
}
}
for (const auto& watcher_l : l->watcher_lobbies) {
for (size_t x = 0; x < watcher_l->max_clients; x++) {
if (watcher_l->clients[x]) {
send_chat_message(watcher_l->clients[x], c->license->serial_number,
from_name, processed_text.c_str(), private_flags);
}
}
}
if (l->battle_record && l->battle_record->battle_in_progress()) {
auto prepared_message = prepare_chat_message(
c->version(), c->game_data.player()->disp.name.data(),
processed_text.c_str(), private_flags);
string prepared_message_sjis = encode_sjis(prepared_message);
l->battle_record->add_chat_message(c->license->serial_number, std::move(prepared_message_sjis));
}
}
static void on_06_PC_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Chat_06>(data, 0xFFFF);
u16string text(cmd.text.pcbb, (data.size() - sizeof(C_Chat_06)) / sizeof(char16_t));
strip_trailing_zeroes(text);
on_chat_generic(c, text);
}
static void on_06_DC_V3(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Chat_06>(data, 0xFFFF);
u16string decoded_s = decode_sjis(cmd.text.dcv3, data.size() - sizeof(C_Chat_06));
on_chat_generic(c, decoded_s);
}
static void on_00E0_BB(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_00E3_BB(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->bb_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_00E8_BB(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_DC_BB(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_xxEB_BB(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_00EC_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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_00E5_BB(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("$C6Character could not be modified:\n%s", e.what());
send_message_box(c, decode_sjis(message));
return;
}
} else {
try {
auto s = c->require_server_state();
c->game_data.create_player(cmd.preview, s->level_table);
} catch (const exception& e) {
string message = string_printf("$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_xxED_BB(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_00E7_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<SC_SyncCharacterSaveFile_BB_00E7>(data);
// We only trust the player's quest data and challenge data.
// TODO: In the future, we shouldn't even need to trust these fields. We
// should instead verify our copy of the player against what the client sent,
// and alert on anything that's out of sync.
// TODO: In the future, we should save battle records here too.
c->game_data.player()->challenge_records = cmd.challenge_records;
c->game_data.player()->quest_data1 = cmd.quest_data1;
c->game_data.player()->quest_data2 = cmd.quest_data2;
}
static void on_00E2_BB(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;
}
static void on_89(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
check_size_v(data.size(), 0);
c->lobby_arrow_color = flag;
auto l = c->lobby.lock();
if (l) {
send_arrow_update(l);
}
}
static void on_40(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_GuildCardSearch_40>(data);
try {
auto s = c->require_server_state();
auto result = s->find_client(nullptr, cmd.target_guild_card_number);
auto result_lobby = result->lobby.lock();
if (result_lobby) {
send_card_search_result(c, result, result_lobby);
}
} catch (const out_of_range&) {
}
}
static void on_C0(shared_ptr<Client> c, uint16_t, uint32_t, const string&) {
// TODO: Implement choice search.
send_text_message(c, u"$C6Choice Search is\nnot supported");
}
static void on_81(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
u16string message;
uint32_t to_guild_card_number;
switch (c->version()) {
case GameVersion::DC:
case GameVersion::GC:
case GameVersion::XB: {
const auto& cmd = check_size_t<SC_SimpleMail_DC_V3_81>(data);
to_guild_card_number = cmd.to_guild_card_number;
message = decode_sjis(cmd.text);
break;
}
case GameVersion::PC: {
const auto& cmd = check_size_t<SC_SimpleMail_PC_81>(data);
to_guild_card_number = cmd.to_guild_card_number;
message = cmd.text;
break;
}
case GameVersion::BB: {
const auto& cmd = check_size_t<SC_SimpleMail_BB_81>(data);
to_guild_card_number = cmd.to_guild_card_number;
message = cmd.text;
break;
}
default:
throw logic_error("invalid game version");
}
shared_ptr<Client> target;
try {
target = c->require_server_state()->find_client(nullptr, to_guild_card_number);
} catch (const out_of_range&) {
}
if (!target) {
// TODO: We should store pending messages for accounts somewhere, and send
// them when the player signs on again. We should also persist the player's
// autoreply setting when they're offline and use it if appropriate here.
send_text_message(c, u"$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_D8(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
send_info_board(c);
}
template <typename CharT>
void on_D9_t(shared_ptr<Client> c, const string& data) {
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));
}
void on_D9_a(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
on_D9_t<char>(c, data);
}
void on_D9_w(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
on_D9_t<char16_t>(c, data);
}
template <typename CharT>
void on_C7_t(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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));
}
void on_C7_a(shared_ptr<Client> c, uint16_t cmd, uint32_t flag, const string& data) {
on_C7_t<char>(c, cmd, flag, data);
}
void on_C7_w(shared_ptr<Client> c, uint16_t cmd, uint32_t flag, const string& data) {
on_C7_t<char16_t>(c, cmd, flag, data);
}
static void on_C8(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
c->game_data.player()->auto_reply.clear(0);
}
static void on_C6(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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;
}
}
shared_ptr<Lobby> create_game_generic(
shared_ptr<ServerState> s,
shared_ptr<Client> c,
const std::u16string& name,
const std::u16string& password,
Episode episode,
GameMode mode,
uint8_t difficulty,
uint32_t flags,
shared_ptr<Lobby> watched_lobby,
shared_ptr<Episode3::BattleRecordPlayer> battle_player) {
if ((episode != Episode::EP1) &&
(episode != Episode::EP2) &&
(episode != Episode::EP3) &&
(episode != Episode::EP4)) {
throw invalid_argument("incorrect episode number");
}
if (difficulty > 3) {
throw invalid_argument("incorrect difficulty level");
}
auto current_lobby = c->require_lobby();
uint8_t min_level;
// A player's actual level is their displayed level - 1, so the minimums for
// Episode 1 (for example) are actually 1, 20, 40, 80.
switch (episode) {
case Episode::EP1: {
static const uint32_t min_levels[4] = {0, 19, 39, 79};
min_level = min_levels[difficulty];
break;
}
case Episode::EP2: {
static const uint32_t min_levels[4] = {0, 29, 49, 89};
min_level = min_levels[difficulty];
break;
}
case Episode::EP3:
min_level = 0;
break;
case Episode::EP4: {
static const uint32_t min_levels[4] = {0, 39, 79, 109};
min_level = min_levels[difficulty];
break;
}
default:
throw runtime_error("invalid episode");
}
if (!(c->license->flags & License::Flag::FREE_JOIN_GAMES) &&
(min_level > c->game_data.player()->disp.stats.level)) {
// Note: We don't throw here because this is a situation players might
// actually encounter while playing the game normally
send_lobby_message_box(c, u"Your level is too\nlow for this\ndifficulty");
return nullptr;
}
// TODO: We disable item tracking for battle and challenge mode because
// players' inventories are reset when they start the quests, and the server
// is not notified when this happens. We'll have to implement this anyway for
// BB, but for now we ignore it.
bool item_tracking_enabled =
(c->version() == GameVersion::BB) ||
(s->item_tracking_enabled && (mode == GameMode::NORMAL || mode == GameMode::SOLO));
// Only disable drops if the config flag is set and are playing regular
// multi-mode. Drops are still enabled for battle and challenge modes.
bool drops_enabled = (s->drops_enabled || (mode != GameMode::NORMAL));
bool is_ep3_trial = (c->version() == GameVersion::GC) && (c->flags & Client::Flag::IS_EPISODE_3) && (c->flags & Client::Flag::IS_EP3_TRIAL_EDITION);
shared_ptr<Lobby> game = s->create_lobby();
game->name = name;
game->flags = flags |
Lobby::Flag::GAME |
(item_tracking_enabled ? Lobby::Flag::ITEM_TRACKING_ENABLED : 0) |
(drops_enabled ? Lobby::Flag::DROPS_ENABLED : 0) |
(is_ep3_trial ? Lobby::Flag::IS_EP3_TRIAL : 0) |
((s->cheat_mode_behavior == ServerState::CheatModeBehavior::ON_BY_DEFAULT) ? Lobby::Flag::CHEATS_ENABLED : 0);
game->password = password;
game->version = c->version();
game->section_id = c->options.override_section_id >= 0
? c->options.override_section_id
: c->game_data.player()->disp.visual.section_id;
game->episode = episode;
game->mode = mode;
game->difficulty = difficulty;
if (c->options.override_random_seed >= 0) {
game->random_seed = c->options.override_random_seed;
}
game->random_crypt.reset(new PSOV2Encryption(game->random_seed));
if (battle_player) {
game->battle_player = battle_player;
battle_player->set_lobby(game);
}
if (game->version == GameVersion::BB) {
// TODO: Use appropriate restrictions here if in battle mode
game->item_creator.reset(new ItemCreator(
s->common_item_set,
s->rare_item_set,
s->armor_random_set,
s->tool_random_set,
s->weapon_random_sets.at(game->difficulty),
s->tekker_adjustment_set,
s->item_parameter_table,
game->episode,
(game->mode == GameMode::SOLO) ? GameMode::NORMAL : game->mode,
game->difficulty,
game->section_id,
game->random_seed));
}
game->event = Lobby::game_event_for_lobby_event(current_lobby->event);
game->block = 0xFF;
game->max_clients = (game->flags & Lobby::Flag::IS_SPECTATOR_TEAM) ? 12 : 4;
game->min_level = min_level;
game->max_level = 0xFFFFFFFF;
if (watched_lobby) {
game->watched_lobby = watched_lobby;
watched_lobby->watcher_lobbies.emplace(game);
}
bool is_solo = (game->mode == GameMode::SOLO);
// Generate the map variations
if (game->is_ep3() || (c->version() == GameVersion::DC && (c->flags & (Client::Flag::IS_DC_TRIAL_EDITION | Client::Flag::IS_DC_V1_PROTOTYPE)))) {
game->variations.clear(0);
} else {
generate_variations(game->variations, game->random_crypt, 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;
game->map.reset(new Map());
for (size_t area = 0; area < 0x10; area++) {
c->log.info("[Map/%zu] Using variations %" PRIX32 ", %" PRIX32,
area, game->variations[area * 2].load(), game->variations[area * 2 + 1].load());
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);
size_t start_offset = game->map->enemies.size();
game->map->add_enemies_from_map_data(
game->episode, game->difficulty, game->event, map_data->data(), map_data->size());
size_t entries_loaded = game->map->enemies.size() - start_offset;
c->log.info("[Map/%zu] Loaded %s (%zu entries)",
area, filename.c_str(), entries_loaded);
for (size_t z = start_offset; z < game->map->enemies.size(); z++) {
string e_str = game->map->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 (%zu as rares)",
game->map->enemies.size(), game->map->rare_enemy_indexes.size());
}
return game;
}
static void on_C1_PC(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_CreateGame_PC_C1>(data);
auto s = c->require_server_state();
uint32_t flags = Lobby::Flag::NON_V1_ONLY;
GameMode mode = GameMode::NORMAL;
if (cmd.battle_mode) {
mode = GameMode::BATTLE;
} else if (cmd.challenge_mode) {
mode = GameMode::CHALLENGE;
}
auto game = create_game_generic(
s, c, cmd.name, cmd.password, Episode::EP1, mode, cmd.difficulty, flags);
if (game) {
s->change_client_lobby(c, game);
c->flags |= Client::Flag::LOADING;
}
}
static void on_0C_C1_E7_EC(shared_ptr<Client> c, uint16_t command, uint32_t, const string& data) {
auto s = c->require_server_state();
shared_ptr<Lobby> game;
if (c->version() == GameVersion::DC && (c->flags & (Client::Flag::IS_DC_TRIAL_EDITION | Client::Flag::IS_DC_V1_PROTOTYPE))) {
const auto& cmd = check_size_t<C_CreateGame_DCNTE<char>>(data);
u16string name = decode_sjis(cmd.name);
u16string password = decode_sjis(cmd.password);
game = create_game_generic(
s, c, name.c_str(), password.c_str(), Episode::EP1, GameMode::NORMAL, 0, 0);
} else {
const auto& cmd = check_size_t<C_CreateGame_DC_V3_0C_C1_Ep3_EC>(data);
// Only allow E7/EC from Ep3 clients
bool client_is_ep3 = !!(c->flags & Client::Flag::IS_EPISODE_3);
if (((command & 0xF0) == 0xE0) != client_is_ep3) {
throw runtime_error("invalid command");
}
Episode episode = Episode::NONE;
uint32_t flags = 0;
if (c->version() == GameVersion::DC) {
if (cmd.episode) {
flags |= Lobby::Flag::NON_V1_ONLY;
}
episode = Episode::EP1;
} else if (client_is_ep3) {
flags |= Lobby::Flag::NON_V1_ONLY;
episode = Episode::EP3;
} else { // XB/GC non-Ep3
flags |= Lobby::Flag::NON_V1_ONLY;
episode = cmd.episode == 2 ? Episode::EP2 : Episode::EP1;
}
u16string name = decode_sjis(cmd.name);
u16string password = decode_sjis(cmd.password);
GameMode mode = GameMode::NORMAL;
if (cmd.battle_mode) {
mode = GameMode::BATTLE;
}
if (cmd.challenge_mode) {
if (client_is_ep3) {
flags |= Lobby::Flag::SPECTATORS_FORBIDDEN;
} else {
mode = GameMode::CHALLENGE;
}
}
shared_ptr<Lobby> watched_lobby;
if (command == 0xE7) {
if (cmd.menu_id != MenuID::GAME) {
throw runtime_error("incorrect menu ID");
}
watched_lobby = s->find_lobby(cmd.item_id);
if (!watched_lobby) {
send_lobby_message_box(c, u"$C6This game no longer\nexists");
return;
}
if (watched_lobby->flags & Lobby::Flag::SPECTATORS_FORBIDDEN) {
send_lobby_message_box(c, u"$C6This game does not\nallow spectators");
return;
}
flags |= Lobby::Flag::IS_SPECTATOR_TEAM;
}
game = create_game_generic(
s, c, name.c_str(), password.c_str(), episode, mode, cmd.difficulty, flags, watched_lobby);
if (game && (game->episode == Episode::EP3)) {
game->ep3_ex_result_values = s->ep3_default_ex_values;
}
}
if (game) {
s->change_client_lobby(c, game);
c->flags |= Client::Flag::LOADING;
}
}
static void on_C1_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_CreateGame_BB_C1>(data);
auto s = c->require_server_state();
uint32_t flags = Lobby::Flag::NON_V1_ONLY;
GameMode mode = GameMode::NORMAL;
if (cmd.battle_mode) {
mode = GameMode::BATTLE;
}
if (cmd.challenge_mode) {
mode = GameMode::CHALLENGE;
}
if (cmd.solo_mode) {
mode = GameMode::SOLO;
}
Episode episode;
switch (cmd.episode) {
case 1:
episode = Episode::EP1;
break;
case 2:
episode = Episode::EP2;
break;
case 3:
episode = Episode::EP4;
break;
default:
throw runtime_error("invalid episode number");
}
auto game = create_game_generic(
s, c, cmd.name, cmd.password, episode, mode, cmd.difficulty, flags);
if (game) {
s->change_client_lobby(c, game);
c->flags |= Client::Flag::LOADING;
}
}
static void on_8A(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
if ((c->version() == GameVersion::DC) && (c->flags & Client::Flag::IS_DC_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 = c->require_lobby();
send_lobby_name(c, l->name.c_str());
}
}
static void on_6F(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
auto l = c->require_lobby();
if (!l->is_game()) {
throw runtime_error("client sent ready command outside of game");
}
c->flags &= (~Client::Flag::LOADING);
send_resume_game(l, c);
if (l->version == GameVersion::BB) {
send_set_exp_multiplier(l);
}
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);
if (l->flags & Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS) {
if (!l->quest) {
throw runtime_error("JOINABLE_QUEST_IN_PROGRESS is set, but lobby has no quest");
}
string bin_basename = l->quest->bin_filename();
shared_ptr<const string> bin_contents = l->quest->bin_contents();
string dat_basename = l->quest->dat_filename();
shared_ptr<const string> dat_contents = l->quest->dat_contents();
send_open_quest_file(c, bin_basename + ".bin",
bin_basename, bin_contents, QuestFileType::ONLINE);
send_open_quest_file(c, dat_basename + ".dat",
dat_basename, dat_contents, QuestFileType::ONLINE);
c->flags |= Client::Flag::LOADING_RUNNING_QUEST;
} else if (l->map) {
send_rare_enemy_index_list(c, l->map->rare_enemy_indexes);
}
}
// Handle initial commands for spectator teams
auto watched_lobby = l->watched_lobby.lock();
if (l->battle_player && (l->flags & Lobby::Flag::START_BATTLE_PLAYER_IMMEDIATELY)) {
l->battle_player->start();
} else if (watched_lobby && watched_lobby->ep3_server) {
send_ep3_update_spectator_count(watched_lobby);
if (!watched_lobby->ep3_server->battle_finished) {
watched_lobby->ep3_server->send_commands_for_joining_spectator(
c->channel, c->flags & Client::Flag::IS_EP3_TRIAL_EDITION);
}
}
// If there are more players to bring in, try to do so
c->disconnect_hooks.erase(ADD_NEXT_CLIENT_DISCONNECT_HOOK_NAME);
add_next_game_client(l);
}
static void on_D0_V3_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const 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 = c->require_lobby();
if (!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++) {
auto& item = c->game_data.pending_item_trade->items.emplace_back(cmd.item_datas[x]);
if (c->version() == GameVersion::GC) {
item.bswap_data2_if_mag();
}
}
// 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_D2_V3_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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 = c->require_lobby();
if (!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_D4_V3_BB(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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 = c->require_lobby();
if (!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_EE_Ep3(shared_ptr<Client> c, uint16_t, uint32_t flag, const string& data) {
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("non-Ep3 client sent card trade command");
}
auto l = c->require_lobby();
if (!l->is_game() || !l->is_ep3()) {
throw runtime_error("client sent card trade command outside of Ep3 game");
}
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_EF_Ep3(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
check_size_v(data.size(), 0);
if (!(c->flags & Client::Flag::IS_EPISODE_3)) {
throw runtime_error("non-Ep3 client sent card auction request");
}
auto l = c->require_lobby();
if (!l->is_game() || !l->is_ep3()) {
throw runtime_error("client sent card auction request outside of Ep3 game");
}
send_ep3_card_auction(l);
}
static void on_xxEA_BB(shared_ptr<Client> c, uint16_t command, uint32_t, const string&) {
// 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_02_P(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_04_P(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
const auto& cmd = check_size_t<C_Login_Patch_04>(data);
auto s = c->require_server_state();
try {
auto l = s->license_index->verify_bb(cmd.username, cmd.password);
c->set_license(l);
} catch (const LicenseIndex::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 LicenseIndex::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(new License());
l->serial_number = fnv1a32(cmd.username) & 0x7FFFFFFF;
l->bb_username = cmd.username;
l->bb_password = cmd.password;
s->license_index->add(l);
c->set_license(l);
string l_str = l->str();
c->log.info("Created license %s", l_str.c_str());
}
}
// 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_0F_P(shared_ptr<Client> c, uint16_t, uint32_t, const string& data) {
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_10_P(shared_ptr<Client> c, uint16_t, uint32_t, const string&) {
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(shared_ptr<Client>, uint16_t, uint32_t, const string&) {}
static void on_unimplemented_command(
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<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] = {
// clang-format off
// PATCH DC PC GC XB BB
/* 00 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 01 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 02 */ {on_02_P, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 03 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 04 */ {on_04_P, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 05 */ {nullptr, on_ignored, on_ignored, on_ignored, on_ignored, on_ignored},
/* 06 */ {nullptr, on_06_DC_V3, on_06_PC_BB, on_06_DC_V3, on_06_DC_V3, on_06_PC_BB},
/* 07 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 08 */ {nullptr, on_08_E6, on_08_E6, on_08_E6, on_08_E6, on_08_E6},
/* 09 */ {nullptr, on_09, on_09, on_09, on_09, on_09},
/* 0A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 0B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 0C */ {nullptr, on_0C_C1_E7_EC, nullptr, nullptr, nullptr, nullptr},
/* 0D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 0E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 0F */ {on_0F_P, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 10 */ {on_10_P, on_10, on_10, on_10, on_10, on_10},
/* 11 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 12 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 13 */ {nullptr, on_ignored, on_ignored, on_13_A7_V3_BB, on_13_A7_V3_BB, on_13_A7_V3_BB},
/* 14 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 15 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 16 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 17 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 18 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 19 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 1A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 1B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 1C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 1D */ {nullptr, on_ignored, on_ignored, on_ignored, on_ignored, on_ignored},
/* 1E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 1F */ {nullptr, on_1F, on_1F, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
/* 20 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 21 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 22 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_ignored},
/* 23 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 24 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 25 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 26 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 27 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 28 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 29 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 2A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 2B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 2C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 2D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 2E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 2F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 30 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 31 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 32 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 33 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 34 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 35 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 36 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 37 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 38 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 39 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 3A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 3B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 3C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 3D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 3E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 3F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
/* 40 */ {nullptr, on_40, on_40, on_40, on_40, on_40},
/* 41 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 42 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 43 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 44 */ {nullptr, on_ignored, on_ignored, on_44_A6_V3_BB, on_44_A6_V3_BB, on_44_A6_V3_BB},
/* 45 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 46 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 47 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 48 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 49 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 4A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 4B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 4C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 4D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 4E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 4F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 50 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 51 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 52 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 53 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 54 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 55 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 56 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 57 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 58 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 59 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 5A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 5B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 5C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 5D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 5E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 5F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
/* 60 */ {nullptr, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB},
/* 61 */ {nullptr, on_61_98, on_61_98, on_61_98, on_61_98, on_61_98},
/* 62 */ {nullptr, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB},
/* 63 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 64 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 65 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 66 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 67 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 68 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 69 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 6A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 6B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 6C */ {nullptr, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB},
/* 6D */ {nullptr, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB, on_6x_C9_CB},
/* 6E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 6F */ {nullptr, on_6F, on_6F, on_6F, on_6F, on_6F},
/* 70 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 71 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 72 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 73 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 74 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 75 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 76 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 77 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 78 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 79 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 7A */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 7B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 7C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 7D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 7E */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 7F */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
/* 80 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 81 */ {nullptr, on_81, on_81, on_81, on_81, on_81},
/* 82 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 83 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 84 */ {nullptr, on_84, on_84, on_84, on_84, on_84},
/* 85 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 86 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 87 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 88 */ {nullptr, on_88_DCNTE, nullptr, on_88_DCNTE, nullptr, nullptr},
/* 89 */ {nullptr, on_89, on_89, on_89, on_89, on_89},
/* 8A */ {nullptr, on_8A, on_8A, on_8A, on_8A, on_8A},
/* 8B */ {nullptr, on_8B_DCNTE, nullptr, on_8B_DCNTE, nullptr, nullptr},
/* 8C */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 8D */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 8E */ {nullptr, on_8E_DCNTE, nullptr, nullptr, nullptr, nullptr},
/* 8F */ {nullptr, on_8F_DCNTE, nullptr, nullptr, nullptr, nullptr},
/* 90 */ {nullptr, on_90_DC, nullptr, on_90_DC, nullptr, nullptr},
/* 91 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 92 */ {nullptr, on_92_DC, nullptr, nullptr, nullptr, nullptr},
/* 93 */ {nullptr, on_93_DC, nullptr, on_93_DC, nullptr, on_93_BB},
/* 94 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 95 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 96 */ {nullptr, on_96, on_96, on_96, on_96, nullptr},
/* 97 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 98 */ {nullptr, on_61_98, on_61_98, on_61_98, on_61_98, on_61_98},
/* 99 */ {nullptr, on_ignored, on_ignored, on_ignored, on_ignored, on_ignored},
/* 9A */ {nullptr, on_9A, on_9A, on_9A, nullptr, nullptr},
/* 9B */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* 9C */ {nullptr, on_9C, on_9C, on_9C, on_9C, nullptr},
/* 9D */ {nullptr, on_9D_9E, on_9D_9E, on_9D_9E, on_9D_9E, nullptr},
/* 9E */ {nullptr, nullptr, on_9D_9E, on_9D_9E, on_9D_9E, nullptr},
/* 9F */ {nullptr, nullptr, nullptr, on_9F_V3, on_9F_V3, nullptr},
// PATCH DC PC GC XB BB
/* A0 */ {nullptr, on_A0, on_A0, on_A0, on_A0, on_A0},
/* A1 */ {nullptr, on_A1, on_A1, on_A1, on_A1, on_A1},
/* A2 */ {nullptr, on_A2, on_A2, on_A2, on_A2, on_A2},
/* A3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* A4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* A5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* A6 */ {nullptr, nullptr, nullptr, on_44_A6_V3_BB, on_44_A6_V3_BB, nullptr},
/* A7 */ {nullptr, nullptr, nullptr, on_13_A7_V3_BB, on_13_A7_V3_BB, nullptr},
/* A8 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* A9 */ {nullptr, on_ignored, on_ignored, on_ignored, on_ignored, on_ignored},
/* AA */ {nullptr, nullptr, on_AA, on_AA, on_AA, on_AA},
/* AB */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* AC */ {nullptr, nullptr, nullptr, on_AC_V3_BB, on_AC_V3_BB, on_AC_V3_BB},
/* AD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* AE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* AF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* B0 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* B1 */ {nullptr, on_B1, on_B1, on_B1, on_B1, nullptr},
/* B2 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* B3 */ {nullptr, on_B3, on_B3, on_B3, on_B3, on_B3},
/* B4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* B5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* B6 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* B7 */ {nullptr, nullptr, nullptr, on_ignored, nullptr, nullptr},
/* B8 */ {nullptr, nullptr, nullptr, on_ignored, nullptr, nullptr},
/* B9 */ {nullptr, nullptr, nullptr, on_ignored, nullptr, nullptr},
/* BA */ {nullptr, nullptr, nullptr, on_BA_Ep3, nullptr, nullptr},
/* BB */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* BC */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* BD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* BE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* BF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
/* C0 */ {nullptr, on_C0, on_C0, on_C0, on_C0, nullptr},
/* C1 */ {nullptr, on_0C_C1_E7_EC, on_C1_PC, on_0C_C1_E7_EC, on_0C_C1_E7_EC, on_C1_BB},
/* C2 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* C3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* C4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* C5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* C6 */ {nullptr, nullptr, on_C6, on_C6, on_C6, on_C6},
/* C7 */ {nullptr, nullptr, on_C7_w, on_C7_a, on_C7_a, on_C7_w},
/* C8 */ {nullptr, nullptr, on_C8, on_C8, on_C8, on_C8},
/* C9 */ {nullptr, nullptr, nullptr, on_6x_C9_CB, nullptr, nullptr},
/* CA */ {nullptr, nullptr, nullptr, on_CA_Ep3, nullptr, nullptr},
/* CB */ {nullptr, nullptr, nullptr, on_6x_C9_CB, nullptr, nullptr},
/* CC */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* CD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* CE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* CF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* D0 */ {nullptr, nullptr, nullptr, on_D0_V3_BB, on_D0_V3_BB, on_D0_V3_BB},
/* D1 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* D2 */ {nullptr, nullptr, nullptr, on_D2_V3_BB, on_D2_V3_BB, on_D2_V3_BB},
/* D3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* D4 */ {nullptr, nullptr, nullptr, on_D4_V3_BB, on_D4_V3_BB, on_D4_V3_BB},
/* D5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* D6 */ {nullptr, nullptr, nullptr, on_D6_V3, on_D6_V3, nullptr},
/* D7 */ {nullptr, nullptr, nullptr, on_D7_GC, on_D7_GC, nullptr},
/* D8 */ {nullptr, nullptr, on_D8, on_D8, on_D8, on_D8},
/* D9 */ {nullptr, nullptr, on_D9_w, on_D9_a, on_D9_a, on_D9_w},
/* DA */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* DB */ {nullptr, nullptr, nullptr, on_DB_V3, on_DB_V3, nullptr},
/* DC */ {nullptr, nullptr, nullptr, on_DC_Ep3, nullptr, on_DC_BB},
/* DD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* DE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* DF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
/* E0 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_00E0_BB},
/* E1 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* E2 */ {nullptr, nullptr, nullptr, on_E2_Ep3, nullptr, on_00E2_BB},
/* E3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_00E3_BB},
/* E4 */ {nullptr, nullptr, nullptr, on_E4_Ep3, nullptr, nullptr},
/* E5 */ {nullptr, nullptr, nullptr, on_E5_Ep3, nullptr, on_00E5_BB},
/* E6 */ {nullptr, nullptr, nullptr, on_08_E6, nullptr, nullptr},
/* E7 */ {nullptr, nullptr, nullptr, on_0C_C1_E7_EC, nullptr, on_00E7_BB},
/* E8 */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_00E8_BB},
/* E9 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* EA */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_xxEA_BB},
/* EB */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_xxEB_BB},
/* EC */ {nullptr, nullptr, nullptr, on_0C_C1_E7_EC, nullptr, on_00EC_BB},
/* ED */ {nullptr, nullptr, nullptr, nullptr, nullptr, on_xxED_BB},
/* EE */ {nullptr, nullptr, nullptr, on_EE_Ep3, nullptr, nullptr},
/* EF */ {nullptr, nullptr, nullptr, on_EF_Ep3, nullptr, nullptr},
/* F0 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F1 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F2 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F3 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F4 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F5 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F6 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F7 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F8 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* F9 */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* FA */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* FB */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* FC */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* FD */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* FE */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
/* FF */ {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr},
// PATCH DC PC GC XB BB
// clang-format on
};
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 != 0x9C && command != 0x9D) {
throw runtime_error("only commands 9A, 9C, 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 != 0x9C && // DC v2, GC
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, 9C, 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<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));
}
c->reschedule_ping_and_timeout_events();
// 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(c, command, flag, data);
} else {
on_unimplemented_command(c, command, flag, data);
}
}
void on_command_with_header(shared_ptr<Client> c, string& data) {
switch (c->version()) {
case GameVersion::DC:
case GameVersion::GC:
case GameVersion::XB: {
auto& header = check_size_t<PSOCommandHeaderDCV3>(data, 0xFFFF);
on_command(c, header.command, header.flag, data.substr(sizeof(header)));
break;
}
case GameVersion::PC:
case GameVersion::PATCH: {
auto& header = check_size_t<PSOCommandHeaderPC>(data, 0xFFFF);
on_command(c, header.command, header.flag, data.substr(sizeof(header)));
break;
}
case GameVersion::BB: {
auto& header = check_size_t<PSOCommandHeaderBB>(data, 0xFFFF);
on_command(c, header.command, header.flag, data.substr(sizeof(header)));
break;
}
default:
throw logic_error("unimplemented game version in on_command_with_header");
}
}
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