use ep3 battle command masking for forwarded commands

This commit is contained in:
Martin Michelsen
2022-10-06 22:10:02 -07:00
parent 830a151db7
commit 48905bfa10
+32 -8
View File
@@ -4,6 +4,7 @@
#include <memory>
#include <phosg/Strings.hh>
#include <phosg/Random.hh>
#include "Loggers.hh"
#include "Client.hh"
@@ -18,7 +19,7 @@
using namespace std;
// The functions in this file are called when a client sends a game command
// (60, 62, 6C, or 6D).
// (60, 62, 6C, 6D, C9, or CB).
@@ -105,6 +106,31 @@ static void forward_subcommand(shared_ptr<Lobby> l, shared_ptr<Client> c,
////////////////////////////////////////////////////////////////////////////////
// Ep3 subcommands
static void on_subcommand_ep3_battle_subs(shared_ptr<ServerState>,
shared_ptr<Lobby> l, shared_ptr<Client> c, uint8_t command, uint8_t flag,
const string& orig_data) {
check_size_sc(
orig_data, sizeof(G_CardBattleCommandHeader_GC_Ep3_6xB3_6xB4_6xB5), 0xFFFF);
if (!l->is_game() || !(l->flags & Lobby::Flag::EPISODE_3_ONLY)) {
return;
}
string data = orig_data;
set_mask_for_ep3_game_command(data.data(), data.size(), 0);
uint8_t mask_key = 0;
while (!mask_key) {
mask_key = random_object<uint8_t>();
}
set_mask_for_ep3_game_command(data.data(), data.size(), mask_key);
forward_subcommand(l, c, command, flag, data);
}
////////////////////////////////////////////////////////////////////////////////
// Chat commands and the like
@@ -559,12 +585,11 @@ static void on_subcommand_use_item(shared_ptr<ServerState>,
forward_subcommand(l, c, command, flag, data);
}
static void on_subcommand_open_shop_bb_or_unknown_ep3(shared_ptr<ServerState>,
static void on_subcommand_open_shop_bb_or_ep3_battle_subs(shared_ptr<ServerState> s,
shared_ptr<Lobby> l, shared_ptr<Client> c, uint8_t command, uint8_t flag,
const string& data) {
if (l->flags & Lobby::Flag::EPISODE_3_ONLY) {
check_size_sc(data, 0x08, 0xFFFF);
forward_subcommand(l, c, command, flag, data);
on_subcommand_ep3_battle_subs(s, l, c, command, flag, data);
} else if (!l->common_item_creator.get()) {
throw runtime_error("received shop subcommand without item creator present");
@@ -655,7 +680,6 @@ static void on_subcommand_bank_action_bb(shared_ptr<ServerState>,
}
}
// player sorts the items in their inventory
static void on_subcommand_sort_inventory_bb(shared_ptr<ServerState>,
shared_ptr<Lobby> l, shared_ptr<Client> c, uint8_t, uint8_t,
const string& data) {
@@ -1350,9 +1374,9 @@ subcommand_handler_t subcommand_handlers[0x100] = {
/* B0 */ on_subcommand_forward_check_size_client, // Move in lobby chair
/* B1 */ nullptr,
/* B2 */ nullptr,
/* B3 */ nullptr,
/* B4 */ on_subcommand_forward_check_size_ep3_game,
/* B5 */ on_subcommand_open_shop_bb_or_unknown_ep3, // BB shop request
/* B3 */ on_subcommand_ep3_battle_subs,
/* B4 */ on_subcommand_ep3_battle_subs,
/* B5 */ on_subcommand_open_shop_bb_or_ep3_battle_subs, // BB shop request
/* B6 */ nullptr, // BB shop contents (server->client only)
/* B7 */ on_subcommand_buy_shop_item_bb,
/* B8 */ on_subcommand_identify_item_bb,