Fix Server Build

This commit is contained in:
TheBrokenRail 2024-01-06 18:03:48 -05:00
parent aa92da6fdd
commit 4dff667749
3 changed files with 61 additions and 56 deletions

View File

@ -73,7 +73,7 @@ static std::string get_world_name() {
} }
// Create/Start World // Create/Start World
static void start_world(unsigned char *minecraft) { static void start_world(Minecraft *minecraft) {
// Get World Name // Get World Name
std::string world_name = get_world_name(); std::string world_name = get_world_name();
@ -81,8 +81,8 @@ static void start_world(unsigned char *minecraft) {
INFO("Loading World: %s", world_name.c_str()); INFO("Loading World: %s", world_name.c_str());
// Peaceful Mode // Peaceful Mode
unsigned char *options = minecraft + Minecraft_options_property_offset; Options *options = &minecraft->options;
*(int32_t *) (options + Options_game_difficulty_property_offset) = get_server_properties().get_bool("peaceful-mode", DEFAULT_PEACEFUL_MODE) ? 0 : 2; options->game_difficulty = get_server_properties().get_bool("peaceful-mode", DEFAULT_PEACEFUL_MODE) ? 0 : 2;
// Specify Level Settings // Specify Level Settings
LevelSettings settings; LevelSettings settings;
@ -92,7 +92,7 @@ static void start_world(unsigned char *minecraft) {
settings.seed = seed; settings.seed = seed;
// Select Level // Select Level
(*Minecraft_selectLevel)(minecraft, world_name, world_name, settings); minecraft->vtable->selectLevel(minecraft, &world_name, &world_name, &settings);
// Don't Open Port When Using --only-generate // Don't Open Port When Using --only-generate
if (!only_generate) { if (!only_generate) {
@ -103,10 +103,10 @@ static void start_world(unsigned char *minecraft) {
} }
// Open ProgressScreen // Open ProgressScreen
unsigned char *screen = (unsigned char *) ::operator new(PROGRESS_SCREEN_SIZE); ProgressScreen *screen = alloc_ProgressScreen();
ALLOC_CHECK(screen); ALLOC_CHECK(screen);
screen = (*ProgressScreen)(screen); screen = (*ProgressScreen_constructor)(screen);
(*Minecraft_setScreen)(minecraft, screen); (*Minecraft_setScreen)(minecraft, (Screen *) screen);
} }
// Check If Running In Whitelist Mode // Check If Running In Whitelist Mode
@ -121,31 +121,31 @@ static std::string get_blacklist_file() {
} }
// Get Vector Of Players In Level // Get Vector Of Players In Level
static std::vector<unsigned char *> get_players_in_level(unsigned char *level) { static std::vector<Player *> get_players_in_level(Level *level) {
return *(std::vector<unsigned char *> *) (level + Level_players_property_offset); return level->players;
} }
// Get Player's Username // Get Player's Username
static std::string get_player_username(unsigned char *player) { static std::string get_player_username(Player *player) {
std::string *username = (std::string *) (player + Player_username_property_offset); std::string *username = &player->username;
char *safe_username_c = from_cp437(username->c_str()); char *safe_username_c = from_cp437(username->c_str());
std::string safe_username = safe_username_c; std::string safe_username = safe_username_c;
free(safe_username_c); free(safe_username_c);
return safe_username; return safe_username;
} }
// Get Level From Minecraft // Get Level From Minecraft
static unsigned char *get_level(unsigned char *minecraft) { static Level *get_level(Minecraft *minecraft) {
return *(unsigned char **) (minecraft + Minecraft_level_property_offset); return minecraft->level;
} }
// Find Players With Username And Run Callback // Find Players With Username And Run Callback
typedef void (*player_callback_t)(unsigned char *minecraft, std::string username, unsigned char *player); typedef void (*player_callback_t)(Minecraft *minecraft, std::string username, Player *player);
static void find_players(unsigned char *minecraft, std::string target_username, player_callback_t callback, bool all_players) { static void find_players(Minecraft *minecraft, std::string target_username, player_callback_t callback, bool all_players) {
unsigned char *level = get_level(minecraft); Level *level = get_level(minecraft);
std::vector<unsigned char *> players = get_players_in_level(level); std::vector<Player *> players = get_players_in_level(level);
bool found_player = false; bool found_player = false;
for (std::size_t i = 0; i < players.size(); i++) { for (std::size_t i = 0; i < players.size(); i++) {
// Iterate Players // Iterate Players
unsigned char *player = players[i]; Player *player = players[i];
std::string username = get_player_username(player); std::string username = get_player_username(player);
if (all_players || username == target_username) { if (all_players || username == target_username) {
// Run Callback // Run Callback
@ -159,36 +159,33 @@ static void find_players(unsigned char *minecraft, std::string target_username,
} }
// Get RakNet Objects // Get RakNet Objects
static RakNet_RakNetGUID get_rak_net_guid(unsigned char *player) { static RakNet_RakNetGUID get_rak_net_guid(Player *player) {
return *(RakNet_RakNetGUID *) (player + ServerPlayer_guid_property_offset); return ((ServerPlayer *) player)->guid;
} }
static RakNet_SystemAddress get_system_address(unsigned char *rak_peer, RakNet_RakNetGUID guid) { static RakNet_SystemAddress get_system_address(RakNet_RakPeer *rak_peer, RakNet_RakNetGUID guid) {
unsigned char *rak_peer_vtable = *(unsigned char **) rak_peer;
RakNet_RakPeer_GetSystemAddressFromGuid_t RakNet_RakPeer_GetSystemAddressFromGuid = *(RakNet_RakPeer_GetSystemAddressFromGuid_t *) (rak_peer_vtable + RakNet_RakPeer_GetSystemAddressFromGuid_vtable_offset);
// Get SystemAddress // Get SystemAddress
return (*RakNet_RakPeer_GetSystemAddressFromGuid)(rak_peer, guid); return rak_peer->vtable->GetSystemAddressFromGuid(rak_peer, guid);
} }
static unsigned char *get_rak_peer(unsigned char *minecraft) { static RakNet_RakPeer *get_rak_peer(Minecraft *minecraft) {
unsigned char *rak_net_instance = *(unsigned char **) (minecraft + Minecraft_rak_net_instance_property_offset); return minecraft->rak_net_instance->peer;
return *(unsigned char **) (rak_net_instance + RakNetInstance_peer_property_offset);
} }
static char *get_rak_net_guid_ip(unsigned char *rak_peer, RakNet_RakNetGUID guid) { static char *get_rak_net_guid_ip(RakNet_RakPeer *rak_peer, RakNet_RakNetGUID guid) {
RakNet_SystemAddress address = get_system_address(rak_peer, guid); RakNet_SystemAddress address = get_system_address(rak_peer, guid);
// Get IP // Get IP
return (*RakNet_SystemAddress_ToString)(&address, false, '|'); return (*RakNet_SystemAddress_ToString)(&address, false, '|');
} }
// Get IP From Player // Get IP From Player
static char *get_player_ip(unsigned char *minecraft, unsigned char *player) { static char *get_player_ip(Minecraft *minecraft, Player *player) {
unsigned char *rak_peer = get_rak_peer(minecraft); RakNet_RakPeer *rak_peer = get_rak_peer(minecraft);
RakNet_RakNetGUID guid = get_rak_net_guid(player); RakNet_RakNetGUID guid = get_rak_net_guid(player);
// Return // Return
return get_rak_net_guid_ip(rak_peer,guid); return get_rak_net_guid_ip(rak_peer, guid);
} }
// Ban Player // Ban Player
static bool is_ip_in_blacklist(const char *ip); static bool is_ip_in_blacklist(const char *ip);
static void ban_callback(unsigned char *minecraft, std::string username, unsigned char *player) { static void ban_callback(Minecraft *minecraft, std::string username, Player *player) {
// Get IP // Get IP
char *ip = get_player_ip(minecraft, player); char *ip = get_player_ip(minecraft, player);
@ -209,24 +206,22 @@ static void ban_callback(unsigned char *minecraft, std::string username, unsigne
} }
// Kill Player // Kill Player
static void kill_callback(__attribute__((unused)) unsigned char *minecraft, __attribute__((unused)) std::string username, unsigned char *player) { static void kill_callback(__attribute__((unused)) Minecraft *minecraft, __attribute__((unused)) std::string username, Player *player) {
unsigned char *player_vtable = *(unsigned char **) player; player->vtable->actuallyHurt(player, INT32_MAX);
Mob_actuallyHurt_t Player_actuallyHurt = *(Mob_actuallyHurt_t *) (player_vtable + Mob_actuallyHurt_vtable_offset);
(*Player_actuallyHurt)(player, INT32_MAX);
INFO("Killed: %s", username.c_str()); INFO("Killed: %s", username.c_str());
} }
// List Player // List Player
static void list_callback(unsigned char *minecraft, std::string username, unsigned char *player) { static void list_callback(Minecraft *minecraft, std::string username, Player *player) {
INFO(" - %s (%s)", username.c_str(), get_player_ip(minecraft, player)); INFO(" - %s (%s)", username.c_str(), get_player_ip(minecraft, player));
} }
// Handle Server Stop // Handle Server Stop
static void handle_server_stop(unsigned char *minecraft) { static void handle_server_stop(Minecraft *minecraft) {
if (compat_check_exit_requested()) { if (compat_check_exit_requested()) {
INFO("Stopping Server"); INFO("Stopping Server");
// Save And Exit // Save And Exit
unsigned char *level = get_level(minecraft); Level *level = get_level(minecraft);
if (level != NULL) { if (level != NULL) {
Level_saveLevelData_injection(level); Level_saveLevelData_injection(level);
} }
@ -250,7 +245,7 @@ static long long int get_time() {
static bool is_last_tick_time_set = false; static bool is_last_tick_time_set = false;
static long long int last_tick_time; static long long int last_tick_time;
static double tps = 0; static double tps = 0;
static void Minecraft_tick_injection(__attribute__((unused)) unsigned char *minecraft) { static void Minecraft_tick_injection(__attribute__((unused)) Minecraft *minecraft) {
long long int time = get_time(); long long int time = get_time();
if (is_last_tick_time_set) { if (is_last_tick_time_set) {
long long int tick_time = time - last_tick_time; long long int tick_time = time - last_tick_time;
@ -262,8 +257,8 @@ static void Minecraft_tick_injection(__attribute__((unused)) unsigned char *mine
} }
// Get ServerSideNetworkHandler From Minecraft // Get ServerSideNetworkHandler From Minecraft
static unsigned char *get_server_side_network_handler(unsigned char *minecraft) { static ServerSideNetworkHandler *get_server_side_network_handler(Minecraft *minecraft) {
return *(unsigned char **) (minecraft + Minecraft_network_handler_property_offset); return (ServerSideNetworkHandler *) minecraft->network_handler;
} }
// Read STDIN Thread // Read STDIN Thread
@ -304,12 +299,12 @@ __attribute__((destructor)) static void _free_stdin_buffer() {
} }
// Handle Commands // Handle Commands
static void handle_commands(unsigned char *minecraft) { static void handle_commands(Minecraft *minecraft) {
// Check If Level Is Generated // Check If Level Is Generated
if ((*Minecraft_isLevelGenerated)(minecraft) && stdin_buffer_complete) { if ((*Minecraft_isLevelGenerated)(minecraft) && stdin_buffer_complete) {
// Command Ready; Run It // Command Ready; Run It
if (stdin_buffer != NULL) { if (stdin_buffer != NULL) {
unsigned char *server_side_network_handler = get_server_side_network_handler(minecraft); ServerSideNetworkHandler *server_side_network_handler = get_server_side_network_handler(minecraft);
if (server_side_network_handler != NULL) { if (server_side_network_handler != NULL) {
std::string data((char *) stdin_buffer); std::string data((char *) stdin_buffer);
@ -336,8 +331,9 @@ static void handle_commands(unsigned char *minecraft) {
// Format Message // Format Message
std::string message = "[Server] " + data.substr(say_command.length()); std::string message = "[Server] " + data.substr(say_command.length());
char *safe_message = to_cp437(message.c_str()); char *safe_message = to_cp437(message.c_str());
std::string cpp_string = safe_message;
// Post Message To Chat // Post Message To Chat
(*ServerSideNetworkHandler_displayGameMessage)(server_side_network_handler, safe_message); (*ServerSideNetworkHandler_displayGameMessage)(server_side_network_handler, &cpp_string);
// Free // Free
free(safe_message); free(safe_message);
} else if (data == list_command) { } else if (data == list_command) {
@ -377,7 +373,7 @@ static void handle_commands(unsigned char *minecraft) {
// Runs Every Tick // Runs Every Tick
static bool loaded = false; static bool loaded = false;
static void Minecraft_update_injection(unsigned char *minecraft) { static void Minecraft_update_injection(Minecraft *minecraft) {
// Create/Start World // Create/Start World
if (!loaded) { if (!loaded) {
start_world(minecraft); start_world(minecraft);
@ -448,16 +444,16 @@ static bool RakNet_RakPeer_IsBanned_injection(__attribute__((unused)) unsigned c
} }
// Log IPs // Log IPs
static unsigned char *ServerSideNetworkHandler_onReady_ClientGeneration_ServerSideNetworkHandler_popPendingPlayer_injection(unsigned char *server_side_network_handler, RakNet_RakNetGUID *guid) { static Player *ServerSideNetworkHandler_onReady_ClientGeneration_ServerSideNetworkHandler_popPendingPlayer_injection(ServerSideNetworkHandler *server_side_network_handler, RakNet_RakNetGUID *guid) {
// Call Original Method // Call Original Method
unsigned char *player = (*ServerSideNetworkHandler_popPendingPlayer)(server_side_network_handler, guid); Player *player = (*ServerSideNetworkHandler_popPendingPlayer)(server_side_network_handler, guid);
// Check If Player Is Null // Check If Player Is Null
if (player != NULL) { if (player != NULL) {
// Get Data // Get Data
std::string *username = (std::string *) (player + Player_username_property_offset); std::string *username = &player->username;
unsigned char *minecraft = *(unsigned char **) (server_side_network_handler + ServerSideNetworkHandler_minecraft_property_offset); Minecraft *minecraft = server_side_network_handler->minecraft;
unsigned char *rak_peer = get_rak_peer(minecraft); RakNet_RakPeer *rak_peer = get_rak_peer(minecraft);
char *ip = get_rak_net_guid_ip(rak_peer, *guid); char *ip = get_rak_net_guid_ip(rak_peer, *guid);
// Log // Log
@ -580,7 +576,7 @@ static void server_init() {
unsigned char max_players_patch[4] = {get_max_players(), 0x30, 0xa0, 0xe3}; // "mov r3, #MAX_PLAYERS" unsigned char max_players_patch[4] = {get_max_players(), 0x30, 0xa0, 0xe3}; // "mov r3, #MAX_PLAYERS"
patch((void *) 0x166d0, max_players_patch); patch((void *) 0x166d0, max_players_patch);
// Custom Banned IP List // Custom Banned IP List
overwrite((void *) RakNet_RakPeer_IsBanned, (void *) RakNet_RakPeer_IsBanned_injection); overwrite((void *) RakNet_RakPeer_IsBanned_non_virtual, (void *) RakNet_RakPeer_IsBanned_injection);
// Show The MineCon Icon Next To MOTD In Server List // Show The MineCon Icon Next To MOTD In Server List
if (get_server_properties().get_bool("show-minecon-badge", DEFAULT_SHOW_MINECON_BADGE)) { if (get_server_properties().get_bool("show-minecon-badge", DEFAULT_SHOW_MINECON_BADGE)) {

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@ -3,12 +3,21 @@
#include <mods/init/init.h> #include <mods/init/init.h>
// Disable Texture Loading // Disable Texture Loading
static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) unsigned char *app_platform, __attribute__((unused)) std::string const& path, __attribute__((unused)) bool b) { static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) AppPlatform_linux *app_platform, __attribute__((unused)) std::string *path, __attribute__((unused)) bool b) {
return Texture(); Texture out;
out.width = 0;
out.height = 0;
out.data = NULL;
out.field3_0xc = 0;
out.field4_0x10 = true;
out.field5_0x11 = false;
out.field6_0x14 = 0;
out.field7_0x18 = -1;
return out;
} }
// Init // Init
void init_textures() { void init_textures() {
// Disable Texture Loading // Disable Texture Loading
overwrite((void *) AppPlatform_linux_loadTexture, (void *) AppPlatform_linux_loadTexture_injection); overwrite((void *) AppPlatform_linux_loadTexture_non_virtual, (void *) AppPlatform_linux_loadTexture_injection);
} }

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@ -7,4 +7,4 @@ method void setTileAndData(int x, int y, int z, int id, int data) = 0xa38b4;
method HitResult clip(uchar *param_1, uchar *param_2, bool clip_liquids, bool param_3) = 0xa3db0; method HitResult clip(uchar *param_1, uchar *param_2, bool clip_liquids, bool param_3) = 0xa3db0;
method void addParticle(std::string *particle, float x, float y, float z, float deltaX, float deltaY, float deltaZ, int count) = 0xa449c; method void addParticle(std::string *particle, float x, float y, float z, float deltaX, float deltaY, float deltaZ, int count) = 0xa449c;
property std::vector<ServerPlayer*> players = 0x60; property std::vector<Player*> players = 0x60;