void EmergeManager::initMapgens()
{
if (m_mapgens.size())
return;
MapgenFactory *mgfactory = getMapgenFactory(params.mg_name);
if (!mgfactory) {
errorstream << "EmergeManager: mapgen " << params.mg_name <<
" not registered; falling back to " << DEFAULT_MAPGEN << std::endl;
params.mg_name = DEFAULT_MAPGEN;
mgfactory = getMapgenFactory(params.mg_name);
FATAL_ERROR_IF(mgfactory == NULL, "Couldn't use any mapgen!");
}
if (!params.sparams) {
params.sparams = mgfactory->createMapgenParams();
params.sparams->readParams(g_settings);
}
for (u32 i = 0; i != m_threads.size(); i++) {
Mapgen *mg = mgfactory->createMapgen(i, ¶ms, this);
m_mapgens.push_back(mg);
}
}
void CNodeDefManager::serialize(std::ostream &os, u16 protocol_version) const
{
writeU8(os, 1); // version
u16 count = 0;
std::ostringstream os2(std::ios::binary);
for (u32 i = 0; i < m_content_features.size(); i++) {
if (i == CONTENT_IGNORE || i == CONTENT_AIR
|| i == CONTENT_UNKNOWN)
continue;
const ContentFeatures *f = &m_content_features[i];
if (f->name == "")
continue;
writeU16(os2, i);
// Wrap it in a string to allow different lengths without
// strict version incompatibilities
std::ostringstream wrapper_os(std::ios::binary);
f->serialize(wrapper_os, protocol_version);
os2<<serializeString(wrapper_os.str());
// must not overflow
u16 next = count + 1;
FATAL_ERROR_IF(next < count, "Overflow");
count++;
}
writeU16(os, count);
os << serializeLongString(os2.str());
}
bool GUIEngine::setTexture(texture_layer layer, std::string texturepath,
bool tile_image, unsigned int minsize)
{
video::IVideoDriver* driver = m_device->getVideoDriver();
FATAL_ERROR_IF(driver == 0, "Could not get video driver");
if (m_textures[layer].texture != NULL)
{
driver->removeTexture(m_textures[layer].texture);
m_textures[layer].texture = NULL;
}
if ((texturepath == "") || !fs::PathExists(texturepath))
{
return false;
}
m_textures[layer].texture = driver->getTexture(texturepath.c_str());
m_textures[layer].tile = tile_image;
m_textures[layer].minsize = minsize;
if (m_textures[layer].texture == NULL)
{
return false;
}
return true;
}
scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
{
StringMap::const_iterator it = m_mesh_data.find(filename);
if (it == m_mesh_data.end()) {
errorstream << "Client::getMesh(): Mesh not found: \"" << filename
<< "\"" << std::endl;
return NULL;
}
const std::string &data = it->second;
scene::ISceneManager *smgr = m_device->getSceneManager();
// Create the mesh, remove it from cache and return it
// This allows unique vertex colors and other properties for each instance
Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
io::IFileSystem *irrfs = m_device->getFileSystem();
io::IReadFile *rfile = irrfs->createMemoryReadFile(
*data_rw, data_rw.getSize(), filename.c_str());
FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
scene::IAnimatedMesh *mesh = smgr->getMesh(rfile);
rfile->drop();
// NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
// of uniquely named instances and re-use them
mesh->grab();
smgr->getMeshCache()->removeMesh(mesh);
return mesh;
}
GUIEngine::~GUIEngine()
{
video::IVideoDriver* driver = m_device->getVideoDriver();
FATAL_ERROR_IF(driver == 0, "Could not get video driver");
if(m_sound_manager != &dummySoundManager){
delete m_sound_manager;
m_sound_manager = NULL;
}
infostream<<"GUIEngine: Deinitializing scripting"<<std::endl;
delete m_script;
m_irr_toplefttext->setText(L"");
//clean up texture pointers
for (unsigned int i = 0; i < TEX_LAYER_MAX; i++) {
if (m_textures[i].texture != NULL)
driver->removeTexture(m_textures[i].texture);
}
delete m_texture_source;
if (m_cloud.clouds)
m_cloud.clouds->drop();
}
// Push the list of callbacks (a lua table).
// Then push nargs arguments.
// Then call this function, which
// - runs the callbacks
// - replaces the table and arguments with the return value,
// computed depending on mode
void ScriptApiBase::runCallbacksRaw(int nargs,
RunCallbacksMode mode, const char *fxn)
{
lua_State *L = getStack();
FATAL_ERROR_IF(lua_gettop(L) < nargs + 1, "Not enough arguments");
// Insert error handler
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L) - nargs - 1;
lua_insert(L, errorhandler);
// Insert run_callbacks between error handler and table
lua_getglobal(L, "core");
lua_getfield(L, -1, "run_callbacks");
lua_remove(L, -2);
lua_insert(L, errorhandler + 1);
// Insert mode after table
lua_pushnumber(L, (int)mode);
lua_insert(L, errorhandler + 3);
// Stack now looks like this:
// ... <error handler> <run_callbacks> <table> <mode> <arg#1> <arg#2> ... <arg#n>
int result = lua_pcall(L, nargs + 2, 1, errorhandler);
if (result != 0)
scriptError(result, fxn);
lua_remove(L, -2); // Remove error handler
}
int ModApiUtil::l_request_insecure_environment(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
// Just return _G if security is disabled
if (!ScriptApiSecurity::isSecure(L)) {
lua_getglobal(L, "_G");
return 1;
}
// We have to make sure that this function is being called directly by
// a mod, otherwise a malicious mod could override this function and
// steal its return value.
lua_Debug info;
// Make sure there's only one item below this function on the stack...
if (lua_getstack(L, 2, &info)) {
return 0;
}
FATAL_ERROR_IF(!lua_getstack(L, 1, &info), "lua_getstack() failed");
FATAL_ERROR_IF(!lua_getinfo(L, "S", &info), "lua_getinfo() failed");
// ...and that that item is the main file scope.
if (strcmp(info.what, "main") != 0) {
return 0;
}
// Get mod name
lua_rawgeti(L, LUA_REGISTRYINDEX, CUSTOM_RIDX_CURRENT_MOD_NAME);
if (!lua_isstring(L, -1)) {
return 0;
}
// Check secure.trusted_mods
const char *mod_name = lua_tostring(L, -1);
std::string trusted_mods = g_settings->get("secure.trusted_mods");
trusted_mods.erase(std::remove_if(trusted_mods.begin(),
trusted_mods.end(), static_cast<int(*)(int)>(&std::isspace)),
trusted_mods.end());
std::vector<std::string> mod_list = str_split(trusted_mods, ',');
if (std::find(mod_list.begin(), mod_list.end(), mod_name) ==
mod_list.end()) {
return 0;
}
// Push insecure environment
lua_rawgeti(L, LUA_REGISTRYINDEX, CUSTOM_RIDX_GLOBALS_BACKUP);
return 1;
}
const char *getHomeOrFail()
{
const char *home = getenv("HOME");
// In rare cases the HOME environment variable may be unset
FATAL_ERROR_IF(!home,
"Required environment variable HOME is not set");
return home;
}
ClientEvent *Client::getClientEvent()
{
FATAL_ERROR_IF(m_client_event_queue.empty(),
"Cannot getClientEvent, queue is empty.");
ClientEvent *event = m_client_event_queue.front();
m_client_event_queue.pop();
return event;
}
bool setSystemPaths()
{
char buf[BUFSIZ];
// Find path of executable and set path_share relative to it
FATAL_ERROR_IF(!getCurrentExecPath(buf, sizeof(buf)),
"Failed to get current executable path");
pathRemoveFile(buf, '\\');
// Use ".\bin\.."
path_share = std::string(buf) + "\\..";
// Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
DWORD len = GetEnvironmentVariable("APPDATA", buf, sizeof(buf));
FATAL_ERROR_IF(len == 0 || len > sizeof(buf), "Failed to get APPDATA");
path_user = std::string(buf) + DIR_DELIM + PROJECT_NAME;
return true;
}
// Call lower level SRP code to generate a verifier with the
// given pointers. Contains the preparations, call parameters
// and error checking common to all srp verifier generation code.
// See docs of srp_create_salted_verification_key for more info.
static inline void gen_srp_v(const std::string &name,
const std::string &password, char **salt, size_t *salt_len,
char **bytes_v, size_t *len_v)
{
std::string n_name = lowercase(name);
SRP_Result res = srp_create_salted_verification_key(SRP_SHA256, SRP_NG_2048,
n_name.c_str(), (const unsigned char *)password.c_str(),
password.size(), (unsigned char **)salt, salt_len,
(unsigned char **)bytes_v, len_v, NULL, NULL);
FATAL_ERROR_IF(res != SRP_OK, "Couldn't create salted SRP verifier");
}
void ClientEnvironment::setLocalPlayer(LocalPlayer *player)
{
DSTACK(FUNCTION_NAME);
/*
It is a failure if already is a local player
*/
FATAL_ERROR_IF(m_local_player != NULL,
"Local player already allocated");
m_local_player = player;
}
unsigned int FontEngine::getTextHeight(unsigned int font_size, FontMode mode)
{
irr::gui::IGUIFont* font = getFont(font_size, mode);
// use current skin font as fallback
if (font == NULL) {
font = m_env->getSkin()->getFont();
}
FATAL_ERROR_IF(font == NULL, "Could not get skin font");
return font->getDimension(L"Some unimportant example String").Height;
}
void Client::startAuth(AuthMechanism chosen_auth_mechanism)
{
m_chosen_auth_mech = chosen_auth_mechanism;
switch (chosen_auth_mechanism) {
case AUTH_MECHANISM_FIRST_SRP: {
// send srp verifier to server
NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
char *salt, *bytes_v;
std::size_t len_salt, len_v;
salt = NULL;
getSRPVerifier(getPlayerName(), m_password,
&salt, &len_salt, &bytes_v, &len_v);
resp_pkt
<< std::string((char*)salt, len_salt)
<< std::string((char*)bytes_v, len_v)
<< (u8)((m_password == "") ? 1 : 0);
free(salt);
free(bytes_v);
Send(&resp_pkt);
break;
}
case AUTH_MECHANISM_SRP:
case AUTH_MECHANISM_LEGACY_PASSWORD: {
u8 based_on = 1;
if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
m_password = translatePassword(getPlayerName(), m_password);
based_on = 0;
}
std::string playername_u = lowercase(getPlayerName());
m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
getPlayerName().c_str(), playername_u.c_str(),
(const unsigned char *) m_password.c_str(),
m_password.length(), NULL, NULL);
char *bytes_A = 0;
size_t len_A = 0;
SRP_Result res = srp_user_start_authentication(
(struct SRPUser *) m_auth_data, NULL, NULL, 0,
(unsigned char **) &bytes_A, &len_A);
FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
resp_pkt << std::string(bytes_A, len_A) << based_on;
Send(&resp_pkt);
break;
}
case AUTH_MECHANISM_NONE:
break; // not handled in this method
}
}
unsigned int FontEngine::getTextWidth(const std::wstring& text,
unsigned int font_size, FontMode mode)
{
irr::gui::IGUIFont* font = getFont(font_size, mode);
// use current skin font as fallback
if (font == NULL) {
font = m_env->getSkin()->getFont();
}
FATAL_ERROR_IF(font == NULL, "Could not get font");
return font->getDimension(text.c_str()).Width;
}
KeyPress::KeyPress(const char *name)
{
if (strlen(name) == 0) {
Key = irr::KEY_KEY_CODES_COUNT;
Char = L'\0';
m_name = "";
return;
}
if (strlen(name) <= 4) {
// Lookup by resulting character
int chars_read = mbtowc(&Char, name, 1);
FATAL_ERROR_IF(chars_read != 1, "Unexpected multibyte character");
try {
struct table_key k = lookup_keychar(Char);
m_name = k.Name;
Key = k.Key;
return;
} catch (UnknownKeycode &e) {};
} else {
// Lookup by name
m_name = name;
try {
struct table_key k = lookup_keyname(name);
Key = k.Key;
Char = k.Char;
return;
} catch (UnknownKeycode &e) {};
}
// It's not a known key, complain and try to do something
Key = irr::KEY_KEY_CODES_COUNT;
int chars_read = mbtowc(&Char, name, 1);
FATAL_ERROR_IF(chars_read != 1, "Unexpected multibyte character");
m_name = "";
warningstream << "KeyPress: Unknown key '" << name << "', falling back to first char.";
}
ScriptApiBase::ScriptApiBase()
{
#ifdef SCRIPTAPI_LOCK_DEBUG
m_locked = false;
#endif
m_luastack = luaL_newstate();
FATAL_ERROR_IF(!m_luastack, "luaL_newstate() failed");
luaL_openlibs(m_luastack);
// Add and save an error handler
lua_pushcfunction(m_luastack, script_error_handler);
m_errorhandler = lua_gettop(m_luastack);
// Make the ScriptApiBase* accessible to ModApiBase
lua_pushlightuserdata(m_luastack, this);
lua_setfield(m_luastack, LUA_REGISTRYINDEX, "scriptapi");
// If we are using LuaJIT add a C++ wrapper function to catch
// exceptions thrown in Lua -> C++ calls
#if USE_LUAJIT
lua_pushlightuserdata(m_luastack, (void*) script_exception_wrapper);
luaJIT_setmode(m_luastack, -1, LUAJIT_MODE_WRAPCFUNC | LUAJIT_MODE_ON);
lua_pop(m_luastack, 1);
#endif
// Add basic globals
lua_newtable(m_luastack);
lua_setglobal(m_luastack, "core");
lua_pushstring(m_luastack, DIR_DELIM);
lua_setglobal(m_luastack, "DIR_DELIM");
lua_pushstring(m_luastack, porting::getPlatformName());
lua_setglobal(m_luastack, "PLATFORM");
// m_secure gets set to true inside
// ScriptApiSecurity::initializeSecurity(), if neccessary.
// Default to false otherwise
m_secure = false;
m_server = NULL;
m_environment = NULL;
m_guiengine = NULL;
}
virtual void registerItem(const ItemDefinition &def)
{
verbosestream<<"ItemDefManager: registering \""<<def.name<<"\""<<std::endl;
// Ensure that the "" item (the hand) always has ToolCapabilities
if (def.name.empty())
FATAL_ERROR_IF(!def.tool_capabilities, "Hand does not have ToolCapabilities");
if(m_item_definitions.count(def.name) == 0)
m_item_definitions[def.name] = new ItemDefinition(def);
else
*(m_item_definitions[def.name]) = def;
// Remove conflicting alias if it exists
bool alias_removed = (m_aliases.erase(def.name) != 0);
if(alias_removed)
infostream<<"ItemDefManager: erased alias "<<def.name
<<" because item was defined"<<std::endl;
}
EmergeThread *EmergeManager::getOptimalThread()
{
size_t nthreads = m_threads.size();
FATAL_ERROR_IF(nthreads == 0, "No emerge threads!");
size_t index = 0;
size_t nitems_lowest = m_threads[0]->m_block_queue.size();
for (size_t i = 1; i < nthreads; i++) {
size_t nitems = m_threads[i]->m_block_queue.size();
if (nitems < nitems_lowest) {
index = i;
nitems_lowest = nitems;
}
}
return m_threads[index];
}
void Client::sendInventoryFields(const std::string &formname,
const StringMap &fields)
{
size_t fields_size = fields.size();
FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
pkt << formname << (u16) (fields_size & 0xFFFF);
StringMap::const_iterator it;
for (it = fields.begin(); it != fields.end(); ++it) {
const std::string &name = it->first;
const std::string &value = it->second;
pkt << name;
pkt.putLongString(value);
}
Send(&pkt);
}
std::string ClientMediaDownloader::serializeRequiredHashSet()
{
std::ostringstream os(std::ios::binary);
writeU32(os, MTHASHSET_FILE_SIGNATURE); // signature
writeU16(os, 1); // version
// Write list of hashes of files that have not been
// received (found in cache) yet
for (std::map<std::string, FileStatus*>::iterator
it = m_files.begin();
it != m_files.end(); ++it) {
if (!it->second->received) {
FATAL_ERROR_IF(it->second->sha1.size() != 20, "Invalid SHA1 size");
os << it->second->sha1;
}
}
return os.str();
}
void FontEngine::updateSkin()
{
gui::IGUIFont *font = getFont();
if (font)
m_env->getSkin()->setFont(font);
else
errorstream << "FontEngine: Default font file: " <<
"\n\t\"" << m_settings->get("font_path") << "\"" <<
"\n\trequired for current screen configuration was not found" <<
" or was invalid file format." <<
"\n\tUsing irrlicht default font." << std::endl;
// If we did fail to create a font our own make irrlicht find a default one
font = m_env->getSkin()->getFont();
FATAL_ERROR_IF(font == NULL, "Could not create/get font");
u32 text_height = font->getDimension(L"Hello, world!").Height;
infostream << "text_height=" << text_height << std::endl;
}
void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
const std::map<std::string, std::string> &fields)
{
size_t fields_size = fields.size();
FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
pkt << p << formname << (u16) (fields_size & 0xFFFF);
for(std::map<std::string, std::string>::const_iterator
i = fields.begin(); i != fields.end(); i++) {
const std::string &name = i->first;
const std::string &value = i->second;
pkt << name;
pkt.putLongString(value);
}
Send(&pkt);
}
void LuaLBM::trigger(ServerEnvironment *env, v3s16 p, MapNode n)
{
ServerScripting *scriptIface = env->getScriptIface();
scriptIface->realityCheck();
lua_State *L = scriptIface->getStack();
sanity_check(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
int error_handler = PUSH_ERROR_HANDLER(L);
// Get registered_lbms
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_lbms");
luaL_checktype(L, -1, LUA_TTABLE);
lua_remove(L, -2); // Remove core
// Get registered_lbms[m_id]
lua_pushnumber(L, m_id);
lua_gettable(L, -2);
FATAL_ERROR_IF(lua_isnil(L, -1), "Entry with given id not found in registered_lbms table");
lua_remove(L, -2); // Remove registered_lbms
scriptIface->setOriginFromTable(-1);
// Call action
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, "action");
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_remove(L, -2); // Remove registered_lbms[m_id]
push_v3s16(L, p);
pushnode(L, n, env->getGameDef()->ndef());
int result = lua_pcall(L, 2, 0, error_handler);
if (result)
scriptIface->scriptError(result, "LuaLBM::trigger");
lua_pop(L, 1); // Pop error handler
}
/*
u16 command
u16 number of files requested
for each file {
u16 length of name
string name
}
*/
void Client::request_media(const std::vector<std::string> &file_requests)
{
std::ostringstream os(std::ios_base::binary);
writeU16(os, TOSERVER_REQUEST_MEDIA);
size_t file_requests_size = file_requests.size();
FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
// Packet dynamicly resized
NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
pkt << (u16) (file_requests_size & 0xFFFF);
for (const std::string &file_request : file_requests) {
pkt << file_request;
}
Send(&pkt);
infostream << "Client: Sending media request list to server ("
<< file_requests.size() << " files. packet size)" << std::endl;
}
bool ClientLauncher::run(GameParams &game_params, const Settings &cmd_args)
{
init_args(game_params, cmd_args);
// List video modes if requested
if (list_video_modes)
return print_video_modes();
if (!init_engine(game_params.log_level)) {
errorstream << "Could not initialize game engine." << std::endl;
return false;
}
// Create time getter
g_timegetter = new IrrlichtTimeGetter(device);
// Speed tests (done after irrlicht is loaded to get timer)
if (cmd_args.getFlag("speedtests")) {
dstream << "Running speed tests" << std::endl;
speed_tests();
return true;
}
video::IVideoDriver *video_driver = device->getVideoDriver();
if (video_driver == NULL) {
errorstream << "Could not initialize video driver." << std::endl;
return false;
}
porting::setXorgClassHint(video_driver->getExposedVideoData(), PROJECT_NAME_C);
/*
This changes the minimum allowed number of vertices in a VBO.
Default is 500.
*/
//driver->setMinHardwareBufferVertexCount(50);
// Create game callback for menus
g_gamecallback = new MainGameCallback(device);
device->setResizable(true);
if (random_input)
input = new RandomInputHandler();
else
input = new RealInputHandler(device, receiver);
smgr = device->getSceneManager();
smgr->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
guienv = device->getGUIEnvironment();
skin = guienv->getSkin();
skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255, 255, 255, 255));
skin->setColor(gui::EGDC_3D_LIGHT, video::SColor(0, 0, 0, 0));
skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255, 30, 30, 30));
skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255, 0, 0, 0));
skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255, 70, 120, 50));
skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255, 255, 255, 255));
g_fontengine = new FontEngine(g_settings, guienv);
FATAL_ERROR_IF(g_fontengine == NULL, "Font engine creation failed.");
#if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
// Irrlicht 1.8 input colours
skin->setColor(gui::EGDC_EDITABLE, video::SColor(255, 128, 128, 128));
skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255, 96, 134, 49));
#endif
// Create the menu clouds
if (!g_menucloudsmgr)
g_menucloudsmgr = smgr->createNewSceneManager();
if (!g_menuclouds)
g_menuclouds = new Clouds(g_menucloudsmgr->getRootSceneNode(),
g_menucloudsmgr, -1, rand(), 100);
g_menuclouds->update(v2f(0, 0), video::SColor(255, 200, 200, 255));
scene::ICameraSceneNode* camera;
camera = g_menucloudsmgr->addCameraSceneNode(0,
v3f(0, 0, 0), v3f(0, 60, 100));
camera->setFarValue(10000);
/*
GUI stuff
*/
ChatBackend chat_backend;
// If an error occurs, this is set to something by menu().
// It is then displayed before the menu shows on the next call to menu()
std::string error_message;
bool first_loop = true;
/*
Menu-game loop
*/
bool retval = true;
bool *kill = porting::signal_handler_killstatus();
while (device->run() && !*kill && !g_gamecallback->shutdown_requested)
{
// Set the window caption
const wchar_t *text = wgettext("Main Menu");
device->setWindowCaption((narrow_to_wide("MultiCraft") + L" [" + text + L"]").c_str());
delete[] text;
#ifdef ANDROID
porting::handleAndroidActivityEvents();
#endif
try { // This is used for catching disconnects
guienv->clear();
/*
We need some kind of a root node to be able to add
custom gui elements directly on the screen.
Otherwise they won't be automatically drawn.
*/
guiroot = guienv->addStaticText(L"", core::rect<s32>(0, 0, 10000, 10000));
bool game_has_run = launch_game(error_message, game_params, cmd_args);
// If skip_main_menu, we only want to startup once
if (skip_main_menu && !first_loop)
break;
first_loop = false;
if (!game_has_run) {
if (skip_main_menu)
break;
else
continue;
}
// Break out of menu-game loop to shut down cleanly
if (!device->run() || *kill) {
if (g_settings_path != "")
g_settings->updateConfigFile(g_settings_path.c_str());
break;
}
if (current_playername.length() > PLAYERNAME_SIZE-1) {
error_message = gettext("Player name too long.");
playername = current_playername.substr(0, PLAYERNAME_SIZE-1);
g_settings->set("name", playername);
continue;
}
device->getVideoDriver()->setTextureCreationFlag(
video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));
#ifdef HAVE_TOUCHSCREENGUI
receiver->m_touchscreengui = new TouchScreenGUI(device, receiver);
g_touchscreengui = receiver->m_touchscreengui;
#endif
the_game(
kill,
random_input,
input,
device,
worldspec.path,
current_playername,
current_password,
current_address,
current_port,
error_message,
chat_backend,
gamespec,
simple_singleplayer_mode
);
smgr->clear();
#ifdef HAVE_TOUCHSCREENGUI
delete g_touchscreengui;
g_touchscreengui = NULL;
receiver->m_touchscreengui = NULL;
#endif
} //try
catch (con::PeerNotFoundException &e) {
error_message = gettext("Connection error (timed out?)");
errorstream << error_message << std::endl;
}
#ifdef NDEBUG
catch (std::exception &e) {
std::string error_message = "Some exception: \"";
error_message += e.what();
error_message += "\"";
errorstream << error_message << std::endl;
}
#endif
// If no main menu, show error and exit
if (skip_main_menu) {
if (!error_message.empty()) {
verbosestream << "error_message = "
<< error_message << std::endl;
retval = false;
}
break;
}
} // Menu-game loop
g_menuclouds->drop();
g_menucloudsmgr->drop();
return retval;
}
void getItemMesh(Client *client, const ItemStack &item, ItemMesh *result)
{
ITextureSource *tsrc = client->getTextureSource();
IItemDefManager *idef = client->getItemDefManager();
const NodeDefManager *ndef = client->getNodeDefManager();
const ItemDefinition &def = item.getDefinition(idef);
const ContentFeatures &f = ndef->get(def.name);
content_t id = ndef->getId(def.name);
FATAL_ERROR_IF(!g_extrusion_mesh_cache, "Extrusion mesh cache is not yet initialized");
scene::SMesh *mesh = nullptr;
// Shading is on by default
result->needs_shading = true;
// If inventory_image is defined, it overrides everything else
if (!def.inventory_image.empty()) {
mesh = getExtrudedMesh(tsrc, def.inventory_image,
def.inventory_overlay);
result->buffer_colors.emplace_back();
// overlay is white, if present
result->buffer_colors.emplace_back(true, video::SColor(0xFFFFFFFF));
// Items with inventory images do not need shading
result->needs_shading = false;
} else if (def.type == ITEM_NODE) {
if (f.mesh_ptr[0]) {
mesh = cloneMesh(f.mesh_ptr[0]);
scaleMesh(mesh, v3f(0.12, 0.12, 0.12));
postProcessNodeMesh(mesh, f, false, false, nullptr,
&result->buffer_colors);
} else {
switch (f.drawtype) {
case NDT_PLANTLIKE: {
mesh = getExtrudedMesh(tsrc,
tsrc->getTextureName(f.tiles[0].layers[0].texture_id),
tsrc->getTextureName(f.tiles[0].layers[1].texture_id));
// Add color
const TileLayer &l0 = f.tiles[0].layers[0];
result->buffer_colors.emplace_back(l0.has_color, l0.color);
const TileLayer &l1 = f.tiles[0].layers[1];
result->buffer_colors.emplace_back(l1.has_color, l1.color);
break;
}
case NDT_PLANTLIKE_ROOTED: {
mesh = getExtrudedMesh(tsrc,
tsrc->getTextureName(f.special_tiles[0].layers[0].texture_id), "");
// Add color
const TileLayer &l0 = f.special_tiles[0].layers[0];
result->buffer_colors.emplace_back(l0.has_color, l0.color);
break;
}
case NDT_NORMAL:
case NDT_ALLFACES:
case NDT_LIQUID:
case NDT_FLOWINGLIQUID: {
scene::IMesh *cube = g_extrusion_mesh_cache->createCube();
mesh = cloneMesh(cube);
cube->drop();
scaleMesh(mesh, v3f(1.2, 1.2, 1.2));
// add overlays
postProcessNodeMesh(mesh, f, false, false, nullptr,
&result->buffer_colors);
break;
}
default: {
mesh = createSpecialNodeMesh(client, id, &result->buffer_colors);
scaleMesh(mesh, v3f(0.12, 0.12, 0.12));
}
}
}
u32 mc = mesh->getMeshBufferCount();
for (u32 i = 0; i < mc; ++i) {
scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
video::SMaterial &material = buf->getMaterial();
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
material.setFlag(video::EMF_BILINEAR_FILTER, false);
material.setFlag(video::EMF_TRILINEAR_FILTER, false);
material.setFlag(video::EMF_BACK_FACE_CULLING, true);
material.setFlag(video::EMF_LIGHTING, false);
}
rotateMeshXZby(mesh, -45);
rotateMeshYZby(mesh, -30);
}
result->mesh = mesh;
}
void Client::step(float dtime)
{
// Limit a bit
if(dtime > 2.0)
dtime = 2.0;
if(m_ignore_damage_timer > dtime)
m_ignore_damage_timer -= dtime;
else
m_ignore_damage_timer = 0.0;
m_animation_time += dtime;
if(m_animation_time > 60.0)
m_animation_time -= 60.0;
m_time_of_day_update_timer += dtime;
ReceiveAll();
/*
Packet counter
*/
{
float &counter = m_packetcounter_timer;
counter -= dtime;
if(counter <= 0.0)
{
counter = 20.0;
infostream << "Client packetcounter (" << m_packetcounter_timer
<< "):"<<std::endl;
m_packetcounter.print(infostream);
m_packetcounter.clear();
}
}
// UGLY hack to fix 2 second startup delay caused by non existent
// server client startup synchronization in local server or singleplayer mode
static bool initial_step = true;
if (initial_step) {
initial_step = false;
}
else if(m_state == LC_Created) {
float &counter = m_connection_reinit_timer;
counter -= dtime;
if(counter <= 0.0) {
counter = 2.0;
LocalPlayer *myplayer = m_env.getLocalPlayer();
FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
sendInit(myplayer->getName());
}
// Not connected, return
return;
}
/*
Do stuff if connected
*/
/*
Run Map's timers and unload unused data
*/
const float map_timer_and_unload_dtime = 5.25;
if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
ScopeProfiler sp(g_profiler, "Client: map timer and unload");
std::vector<v3s16> deleted_blocks;
m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
g_settings->getFloat("client_unload_unused_data_timeout"),
g_settings->getS32("client_mapblock_limit"),
&deleted_blocks);
/*
Send info to server
NOTE: This loop is intentionally iterated the way it is.
*/
std::vector<v3s16>::iterator i = deleted_blocks.begin();
std::vector<v3s16> sendlist;
for(;;) {
if(sendlist.size() == 255 || i == deleted_blocks.end()) {
if(sendlist.empty())
break;
/*
[0] u16 command
[2] u8 count
[3] v3s16 pos_0
[3+6] v3s16 pos_1
...
*/
sendDeletedBlocks(sendlist);
if(i == deleted_blocks.end())
break;
sendlist.clear();
}
sendlist.push_back(*i);
++i;
}
}
/*
Send pending messages on out chat queue
*/
if (!m_out_chat_queue.empty() && canSendChatMessage()) {
sendChatMessage(m_out_chat_queue.front());
m_out_chat_queue.pop();
}
/*
Handle environment
*/
// Control local player (0ms)
LocalPlayer *player = m_env.getLocalPlayer();
assert(player);
player->applyControl(dtime, &m_env);
// Step environment
m_env.step(dtime);
m_sound->step(dtime);
/*
Get events
*/
while (m_env.hasClientEnvEvents()) {
ClientEnvEvent envEvent = m_env.getClientEnvEvent();
if (envEvent.type == CEE_PLAYER_DAMAGE) {
if (m_ignore_damage_timer <= 0) {
u8 damage = envEvent.player_damage.amount;
if (envEvent.player_damage.send_to_server)
sendDamage(damage);
// Add to ClientEvent queue
ClientEvent *event = new ClientEvent();
event->type = CE_PLAYER_DAMAGE;
event->player_damage.amount = damage;
m_client_event_queue.push(event);
}
}
}
/*
Print some info
*/
float &counter = m_avg_rtt_timer;
counter += dtime;
if(counter >= 10) {
counter = 0.0;
// connectedAndInitialized() is true, peer exists.
float avg_rtt = getRTT();
infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
}
/*
Send player position to server
*/
{
float &counter = m_playerpos_send_timer;
counter += dtime;
if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
{
counter = 0.0;
sendPlayerPos();
}
}
/*
Replace updated meshes
*/
{
int num_processed_meshes = 0;
while (!m_mesh_update_thread.m_queue_out.empty())
{
num_processed_meshes++;
MinimapMapblock *minimap_mapblock = NULL;
bool do_mapper_update = true;
MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
if (block) {
// Delete the old mesh
delete block->mesh;
block->mesh = nullptr;
if (r.mesh) {
minimap_mapblock = r.mesh->moveMinimapMapblock();
if (minimap_mapblock == NULL)
do_mapper_update = false;
bool is_empty = true;
for (int l = 0; l < MAX_TILE_LAYERS; l++)
if (r.mesh->getMesh(l)->getMeshBufferCount() != 0)
is_empty = false;
if (is_empty)
delete r.mesh;
else
// Replace with the new mesh
block->mesh = r.mesh;
}
} else {
delete r.mesh;
}
if (m_minimap && do_mapper_update)
m_minimap->addBlock(r.p, minimap_mapblock);
if (r.ack_block_to_server) {
/*
Acknowledge block
[0] u8 count
[1] v3s16 pos_0
*/
sendGotBlocks(r.p);
}
}
if (num_processed_meshes > 0)
g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
}
/*
Load fetched media
*/
if (m_media_downloader && m_media_downloader->isStarted()) {
m_media_downloader->step(this);
if (m_media_downloader->isDone()) {
delete m_media_downloader;
m_media_downloader = NULL;
}
}
/*
If the server didn't update the inventory in a while, revert
the local inventory (so the player notices the lag problem
and knows something is wrong).
*/
if(m_inventory_from_server)
{
float interval = 10.0;
float count_before = floor(m_inventory_from_server_age / interval);
m_inventory_from_server_age += dtime;
float count_after = floor(m_inventory_from_server_age / interval);
if(count_after != count_before)
{
// Do this every <interval> seconds after TOCLIENT_INVENTORY
// Reset the locally changed inventory to the authoritative inventory
LocalPlayer *player = m_env.getLocalPlayer();
player->inventory = *m_inventory_from_server;
m_inventory_updated = true;
}
}
/*
Update positions of sounds attached to objects
*/
{
for (auto &m_sounds_to_object : m_sounds_to_objects) {
int client_id = m_sounds_to_object.first;
u16 object_id = m_sounds_to_object.second;
ClientActiveObject *cao = m_env.getActiveObject(object_id);
if (!cao)
continue;
m_sound->updateSoundPosition(client_id, cao->getPosition());
}
}
/*
Handle removed remotely initiated sounds
*/
m_removed_sounds_check_timer += dtime;
if(m_removed_sounds_check_timer >= 2.32) {
m_removed_sounds_check_timer = 0;
// Find removed sounds and clear references to them
std::vector<s32> removed_server_ids;
for (std::unordered_map<s32, int>::iterator i = m_sounds_server_to_client.begin();
i != m_sounds_server_to_client.end();) {
s32 server_id = i->first;
int client_id = i->second;
++i;
if(!m_sound->soundExists(client_id)) {
m_sounds_server_to_client.erase(server_id);
m_sounds_client_to_server.erase(client_id);
m_sounds_to_objects.erase(client_id);
removed_server_ids.push_back(server_id);
}
}
// Sync to server
if(!removed_server_ids.empty()) {
sendRemovedSounds(removed_server_ids);
}
}
m_mod_storage_save_timer -= dtime;
if (m_mod_storage_save_timer <= 0.0f) {
verbosestream << "Saving registered mod storages." << std::endl;
m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
for (std::unordered_map<std::string, ModMetadata *>::const_iterator
it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
if (it->second->isModified()) {
it->second->save(getModStoragePath());
}
}
}
// Write server map
if (m_localdb && m_localdb_save_interval.step(dtime,
m_cache_save_interval)) {
m_localdb->endSave();
m_localdb->beginSave();
}
}
void Client::step(float dtime)
{
DSTACK(FUNCTION_NAME);
// Limit a bit
if(dtime > 2.0)
dtime = 2.0;
if(m_ignore_damage_timer > dtime)
m_ignore_damage_timer -= dtime;
else
m_ignore_damage_timer = 0.0;
m_animation_time += dtime;
if(m_animation_time > 60.0)
m_animation_time -= 60.0;
m_time_of_day_update_timer += dtime;
ReceiveAll();
/*
Packet counter
*/
{
float &counter = m_packetcounter_timer;
counter -= dtime;
if(counter <= 0.0)
{
counter = 20.0;
infostream << "Client packetcounter (" << m_packetcounter_timer
<< "):"<<std::endl;
m_packetcounter.print(infostream);
m_packetcounter.clear();
}
}
// UGLY hack to fix 2 second startup delay caused by non existent
// server client startup synchronization in local server or singleplayer mode
static bool initial_step = true;
if (initial_step) {
initial_step = false;
}
else if(m_state == LC_Created) {
float &counter = m_connection_reinit_timer;
counter -= dtime;
if(counter <= 0.0) {
counter = 2.0;
Player *myplayer = m_env.getLocalPlayer();
FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
// Send TOSERVER_INIT_LEGACY
// [0] u16 TOSERVER_INIT_LEGACY
// [2] u8 SER_FMT_VER_HIGHEST_READ
// [3] u8[20] player_name
// [23] u8[28] password (new in some version)
// [51] u16 minimum supported network protocol version (added sometime)
// [53] u16 maximum supported network protocol version (added later than the previous one)
char pName[PLAYERNAME_SIZE];
char pPassword[PASSWORD_SIZE];
memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
std::string hashed_password = translatePassword(myplayer->getName(), m_password);
snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());
sendLegacyInit(pName, pPassword);
if (LATEST_PROTOCOL_VERSION >= 25)
sendInit(myplayer->getName());
}
// Not connected, return
return;
}
/*
Do stuff if connected
*/
/*
Run Map's timers and unload unused data
*/
const float map_timer_and_unload_dtime = 5.25;
if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
ScopeProfiler sp(g_profiler, "Client: map timer and unload");
std::vector<v3s16> deleted_blocks;
m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
g_settings->getFloat("client_unload_unused_data_timeout"),
g_settings->getS32("client_mapblock_limit"),
&deleted_blocks);
/*
Send info to server
NOTE: This loop is intentionally iterated the way it is.
*/
std::vector<v3s16>::iterator i = deleted_blocks.begin();
std::vector<v3s16> sendlist;
for(;;) {
if(sendlist.size() == 255 || i == deleted_blocks.end()) {
if(sendlist.empty())
break;
/*
[0] u16 command
[2] u8 count
[3] v3s16 pos_0
[3+6] v3s16 pos_1
...
*/
sendDeletedBlocks(sendlist);
if(i == deleted_blocks.end())
break;
sendlist.clear();
}
sendlist.push_back(*i);
++i;
}
}
/*
Handle environment
*/
// Control local player (0ms)
LocalPlayer *player = m_env.getLocalPlayer();
assert(player != NULL);
player->applyControl(dtime);
// Step environment
m_env.step(dtime);
/*
Get events
*/
for(;;) {
ClientEnvEvent event = m_env.getClientEvent();
if(event.type == CEE_NONE) {
break;
}
else if(event.type == CEE_PLAYER_DAMAGE) {
if(m_ignore_damage_timer <= 0) {
u8 damage = event.player_damage.amount;
if(event.player_damage.send_to_server)
sendDamage(damage);
// Add to ClientEvent queue
ClientEvent event;
event.type = CE_PLAYER_DAMAGE;
event.player_damage.amount = damage;
m_client_event_queue.push(event);
}
}
else if(event.type == CEE_PLAYER_BREATH) {
u16 breath = event.player_breath.amount;
sendBreath(breath);
}
}
/*
Print some info
*/
float &counter = m_avg_rtt_timer;
counter += dtime;
if(counter >= 10) {
counter = 0.0;
// connectedAndInitialized() is true, peer exists.
float avg_rtt = getRTT();
infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
}
/*
Send player position to server
*/
{
float &counter = m_playerpos_send_timer;
counter += dtime;
if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
{
counter = 0.0;
sendPlayerPos();
}
}
/*
Replace updated meshes
*/
{
int num_processed_meshes = 0;
while (!m_mesh_update_thread.m_queue_out.empty())
{
num_processed_meshes++;
MinimapMapblock *minimap_mapblock = NULL;
bool do_mapper_update = true;
MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
if (block) {
// Delete the old mesh
if (block->mesh != NULL) {
delete block->mesh;
block->mesh = NULL;
}
if (r.mesh) {
minimap_mapblock = r.mesh->moveMinimapMapblock();
if (minimap_mapblock == NULL)
do_mapper_update = false;
}
if (r.mesh && r.mesh->getMesh()->getMeshBufferCount() == 0) {
delete r.mesh;
} else {
// Replace with the new mesh
block->mesh = r.mesh;
}
} else {
delete r.mesh;
}
if (do_mapper_update)
m_mapper->addBlock(r.p, minimap_mapblock);
if (r.ack_block_to_server) {
/*
Acknowledge block
[0] u8 count
[1] v3s16 pos_0
*/
sendGotBlocks(r.p);
}
}
if (num_processed_meshes > 0)
g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
}
/*
Load fetched media
*/
if (m_media_downloader && m_media_downloader->isStarted()) {
m_media_downloader->step(this);
if (m_media_downloader->isDone()) {
received_media();
delete m_media_downloader;
m_media_downloader = NULL;
}
}
/*
If the server didn't update the inventory in a while, revert
the local inventory (so the player notices the lag problem
and knows something is wrong).
*/
if(m_inventory_from_server)
{
float interval = 10.0;
float count_before = floor(m_inventory_from_server_age / interval);
m_inventory_from_server_age += dtime;
float count_after = floor(m_inventory_from_server_age / interval);
if(count_after != count_before)
{
// Do this every <interval> seconds after TOCLIENT_INVENTORY
// Reset the locally changed inventory to the authoritative inventory
Player *player = m_env.getLocalPlayer();
player->inventory = *m_inventory_from_server;
m_inventory_updated = true;
}
}
/*
Update positions of sounds attached to objects
*/
{
for(std::map<int, u16>::iterator
i = m_sounds_to_objects.begin();
i != m_sounds_to_objects.end(); ++i)
{
int client_id = i->first;
u16 object_id = i->second;
ClientActiveObject *cao = m_env.getActiveObject(object_id);
if(!cao)
continue;
v3f pos = cao->getPosition();
m_sound->updateSoundPosition(client_id, pos);
}
}
/*
Handle removed remotely initiated sounds
*/
m_removed_sounds_check_timer += dtime;
if(m_removed_sounds_check_timer >= 2.32) {
m_removed_sounds_check_timer = 0;
// Find removed sounds and clear references to them
std::vector<s32> removed_server_ids;
for(std::map<s32, int>::iterator
i = m_sounds_server_to_client.begin();
i != m_sounds_server_to_client.end();) {
s32 server_id = i->first;
int client_id = i->second;
++i;
if(!m_sound->soundExists(client_id)) {
m_sounds_server_to_client.erase(server_id);
m_sounds_client_to_server.erase(client_id);
m_sounds_to_objects.erase(client_id);
removed_server_ids.push_back(server_id);
}
}
// Sync to server
if(!removed_server_ids.empty()) {
sendRemovedSounds(removed_server_ids);
}
}
// Write server map
if (m_localdb && m_localdb_save_interval.step(dtime,
m_cache_save_interval)) {
m_localdb->endSave();
m_localdb->beginSave();
}
}
bool Client::loadMedia(const std::string &data, const std::string &filename)
{
// Silly irrlicht's const-incorrectness
Buffer<char> data_rw(data.c_str(), data.size());
std::string name;
const char *image_ext[] = {
".png", ".jpg", ".bmp", ".tga",
".pcx", ".ppm", ".psd", ".wal", ".rgb",
NULL
};
name = removeStringEnd(filename, image_ext);
if(name != "")
{
verbosestream<<"Client: Attempting to load image "
<<"file \""<<filename<<"\""<<std::endl;
io::IFileSystem *irrfs = m_device->getFileSystem();
video::IVideoDriver *vdrv = m_device->getVideoDriver();
// Create an irrlicht memory file
io::IReadFile *rfile = irrfs->createMemoryReadFile(
*data_rw, data_rw.getSize(), "_tempreadfile");
FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
// Read image
video::IImage *img = vdrv->createImageFromFile(rfile);
if(!img){
errorstream<<"Client: Cannot create image from data of "
<<"file \""<<filename<<"\""<<std::endl;
rfile->drop();
return false;
}
else {
m_tsrc->insertSourceImage(filename, img);
img->drop();
rfile->drop();
return true;
}
}
const char *sound_ext[] = {
".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
".ogg", NULL
};
name = removeStringEnd(filename, sound_ext);
if(name != "")
{
verbosestream<<"Client: Attempting to load sound "
<<"file \""<<filename<<"\""<<std::endl;
m_sound->loadSoundData(name, data);
return true;
}
const char *model_ext[] = {
".x", ".b3d", ".md2", ".obj",
NULL
};
name = removeStringEnd(filename, model_ext);
if(name != "")
{
verbosestream<<"Client: Storing model into memory: "
<<"\""<<filename<<"\""<<std::endl;
if(m_mesh_data.count(filename))
errorstream<<"Multiple models with name \""<<filename.c_str()
<<"\" found; replacing previous model"<<std::endl;
m_mesh_data[filename] = data;
return true;
}
errorstream<<"Client: Don't know how to load file \""
<<filename<<"\""<<std::endl;
return false;
}
