]> git.lizzy.rs Git - minetest.git/blobdiff - src/main.cpp
Fix Enter key after creating a new world (#12997)
[minetest.git] / src / main.cpp
index a01ddec93f80e69079806cb60d55cc157177f827..35dcb708b2634ffe7ef933e61746c141aefba13f 100644 (file)
@@ -17,89 +17,77 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifdef _MSC_VER
-#ifndef SERVER // Dedicated server isn't linked with Irrlicht
-       #pragma comment(lib, "Irrlicht.lib")
-       // This would get rid of the console window
-       //#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
-#endif
-       #pragma comment(lib, "zlibwapi.lib")
-       #pragma comment(lib, "Shell32.lib")
-#endif
-
+#include "irrlichttypes.h" // must be included before anything irrlicht, see comment in the file
 #include "irrlicht.h" // createDevice
-
-#include "main.h"
-#include "mainmenumanager.h"
 #include "irrlichttypes_extrabloated.h"
+#include "benchmark/benchmark.h"
+#include "chat_interface.h"
 #include "debug.h"
-#include "test.h"
+#include "unittest/test.h"
 #include "server.h"
 #include "filesys.h"
 #include "version.h"
-#include "guiMainMenu.h"
-#include "game.h"
+#include "client/game.h"
 #include "defaultsettings.h"
 #include "gettext.h"
-#include "profiler.h"
 #include "log.h"
-#include "quicktune.h"
+#include "util/quicktune.h"
 #include "httpfetch.h"
-#include "guiEngine.h"
-#include "map.h"
-#include "mapsector.h"
-#include "fontengine.h"
 #include "gameparams.h"
-#include "database.h"
+#include "database/database.h"
+#include "config.h"
+#include "player.h"
+#include "porting.h"
+#include "network/socket.h"
+#include "mapblock.h"
+#if USE_CURSES
+       #include "terminal_chat_console.h"
+#endif
 #ifndef SERVER
+#include "gui/guiMainMenu.h"
 #include "client/clientlauncher.h"
+#include "gui/guiEngine.h"
+#include "gui/mainmenumanager.h"
 #endif
-
 #ifdef HAVE_TOUCHSCREENGUI
-#include "touchscreengui.h"
+       #include "gui/touchscreengui.h"
 #endif
 
-/*
-       Settings.
-       These are loaded from the config file.
-*/
-static Settings main_settings;
-Settings *g_settings = &main_settings;
-std::string g_settings_path;
-
-// Global profiler
-Profiler main_profiler;
-Profiler *g_profiler = &main_profiler;
-
-// Menu clouds are created later
-Clouds *g_menuclouds = 0;
-irr::scene::ISceneManager *g_menucloudsmgr = 0;
-
-/*
-       Debug streams
-*/
-
-// Connection
-std::ostream *dout_con_ptr = &dummyout;
-std::ostream *derr_con_ptr = &verbosestream;
+// for version information only
+extern "C" {
+#if USE_LUAJIT
+       #include <luajit.h>
+#else
+       #include <lua.h>
+#endif
+}
 
-// Server
-std::ostream *dout_server_ptr = &infostream;
-std::ostream *derr_server_ptr = &errorstream;
+#if !defined(__cpp_rtti) || !defined(__cpp_exceptions)
+#error Minetest cannot be built without exceptions or RTTI
+#endif
 
-// Client
-std::ostream *dout_client_ptr = &infostream;
-std::ostream *derr_client_ptr = &errorstream;
+#if defined(__MINGW32__) && !defined(__MINGW64__) && !defined(__clang__) && \
+       (__GNUC__ < 11 || (__GNUC__ == 11 && __GNUC_MINOR__ < 1))
+// see e.g. https://github.com/minetest/minetest/issues/10137
+#warning ==================================
+#warning 32-bit MinGW gcc before 11.1 has known issues with crashes on thread exit, you should upgrade.
+#warning ==================================
+#endif
 
 #define DEBUGFILE "debug.txt"
 #define DEFAULT_SERVER_PORT 30000
 
+#define ENV_NO_COLOR "NO_COLOR"
+#define ENV_CLICOLOR "CLICOLOR"
+#define ENV_CLICOLOR_FORCE "CLICOLOR_FORCE"
+
 typedef std::map<std::string, ValueSpec> OptionList;
 
 /**********************************************************************
  * Private functions
  **********************************************************************/
 
+static void get_env_opts(Settings &args);
 static bool get_cmdline_opts(int argc, char *argv[], Settings *cmd_args);
 static void set_allowed_options(OptionList *allowed_options);
 
@@ -107,17 +95,18 @@ static void print_help(const OptionList &allowed_options);
 static void print_allowed_options(const OptionList &allowed_options);
 static void print_version();
 static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
-                                                        std::ostream &os);
+       std::ostream &os, bool print_name = true, bool print_path = true);
 static void print_modified_quicktune_values();
 
 static void list_game_ids();
-static void list_worlds();
-static void setup_log_params(const Settings &cmd_args);
+static void list_worlds(bool print_name, bool print_path);
+static bool setup_log_params(const Settings &cmd_args);
 static bool create_userdata_path();
-static bool init_common(int *log_level, const Settings &cmd_args, int argc, char *argv[]);
+static bool init_common(const Settings &cmd_args, int argc, char *argv[]);
+static void uninit_common();
 static void startup_message();
 static bool read_config_file(const Settings &cmd_args);
-static void init_debug_streams(int *log_level, const Settings &cmd_args);
+static void init_log_streams(const Settings &cmd_args);
 
 static bool game_configure(GameParams *game_params, const Settings &cmd_args);
 static void game_configure_port(GameParams *game_params, const Settings &cmd_args);
@@ -133,110 +122,60 @@ static bool get_game_from_cmdline(GameParams *game_params, const Settings &cmd_a
 static bool determine_subgame(GameParams *game_params);
 
 static bool run_dedicated_server(const GameParams &game_params, const Settings &cmd_args);
-static bool migrate_database(const GameParams &game_params, const Settings &cmd_args);
+static bool migrate_map_database(const GameParams &game_params, const Settings &cmd_args);
+static bool recompress_map_database(const GameParams &game_params, const Settings &cmd_args, const Address &addr);
 
 /**********************************************************************/
 
-#ifndef SERVER
-/*
-       Random stuff
-*/
-
-/* mainmenumanager.h */
-
-gui::IGUIEnvironment* guienv = NULL;
-gui::IGUIStaticText *guiroot = NULL;
-MainMenuManager g_menumgr;
-
-bool noMenuActive()
-{
-       return (g_menumgr.menuCount() == 0);
-}
-
-// Passed to menus to allow disconnecting and exiting
-MainGameCallback *g_gamecallback = NULL;
-#endif
-
-/*
-       gettime.h implementation
-*/
-
-#ifdef SERVER
 
-u32 getTimeMs()
-{
-       /* Use imprecise system calls directly (from porting.h) */
-       return porting::getTime(PRECISION_MILLI);
-}
-
-u32 getTime(TimePrecision prec)
-{
-       return porting::getTime(prec);
-}
-
-#endif
-
-class StderrLogOutput: public ILogOutput
-{
-public:
-       /* line: Full line with timestamp, level and thread */
-       void printLog(const std::string &line)
-       {
-               std::cerr << line << std::endl;
-       }
-} main_stderr_log_out;
-
-class DstreamNoStderrLogOutput: public ILogOutput
-{
-public:
-       /* line: Full line with timestamp, level and thread */
-       void printLog(const std::string &line)
-       {
-               dstream_no_stderr << line << std::endl;
-       }
-} main_dstream_no_stderr_log_out;
+FileLogOutput file_log_output;
 
 static OptionList allowed_options;
 
 int main(int argc, char *argv[])
 {
        int retval;
-
        debug_set_exception_handler();
 
-       log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
-       log_add_output_all_levs(&main_dstream_no_stderr_log_out);
-
-       log_register_thread("main");
+       g_logger.registerThread("Main");
+       g_logger.addOutputMaxLevel(&stderr_output, LL_ACTION);
 
        Settings cmd_args;
+       get_env_opts(cmd_args);
        bool cmd_args_ok = get_cmdline_opts(argc, argv, &cmd_args);
        if (!cmd_args_ok
                        || cmd_args.getFlag("help")
                        || cmd_args.exists("nonopt1")) {
+               porting::attachOrCreateConsole();
                print_help(allowed_options);
                return cmd_args_ok ? 0 : 1;
        }
+       if (cmd_args.getFlag("console"))
+               porting::attachOrCreateConsole();
 
        if (cmd_args.getFlag("version")) {
+               porting::attachOrCreateConsole();
                print_version();
                return 0;
        }
 
-       setup_log_params(cmd_args);
+       if (!setup_log_params(cmd_args))
+               return 1;
 
        porting::signal_handler_init();
+
+#ifdef __ANDROID__
+       porting::initAndroid();
+       porting::initializePathsAndroid();
+#else
        porting::initializePaths();
+#endif
 
        if (!create_userdata_path()) {
                errorstream << "Cannot create user data directory" << std::endl;
                return 1;
        }
 
-       // Initialize debug stacks
-       debug_stacks_init();
-       DSTACK(__FUNCTION_NAME);
-
        // Debug handler
        BEGIN_DEBUG_EXCEPTION_HANDLER
 
@@ -246,62 +185,86 @@ int main(int argc, char *argv[])
                return 0;
        }
 
-       // List worlds if requested
-       if (cmd_args.exists("world") && cmd_args.get("world") == "list") {
-               list_worlds();
+       // List worlds, world names, and world paths if requested
+       if (cmd_args.exists("worldlist")) {
+               if (cmd_args.get("worldlist") == "name") {
+                       list_worlds(true, false);
+               } else if (cmd_args.get("worldlist") == "path") {
+                       list_worlds(false, true);
+               } else if (cmd_args.get("worldlist") == "both") {
+                       list_worlds(true, true);
+               } else {
+                       errorstream << "Invalid --worldlist value: "
+                               << cmd_args.get("worldlist") << std::endl;
+                       return 1;
+               }
                return 0;
        }
 
-       GameParams game_params;
-       if (!init_common(&game_params.log_level, cmd_args, argc, argv))
+       if (!init_common(cmd_args, argc, argv))
                return 1;
 
+       if (g_settings->getBool("enable_console"))
+               porting::attachOrCreateConsole();
+
 #ifndef __ANDROID__
        // Run unit tests
        if (cmd_args.getFlag("run-unittests")) {
-               run_tests();
-               return 0;
+#if BUILD_UNITTESTS
+               return run_tests();
+#else
+               errorstream << "Unittest support is not enabled in this binary. "
+                       << "If you want to enable it, compile project with BUILD_UNITTESTS=1 flag."
+                       << std::endl;
+               return 1;
+#endif
        }
+
+       // Run benchmarks
+       if (cmd_args.getFlag("run-benchmarks")) {
+#if BUILD_BENCHMARKS
+               return run_benchmarks();
+#else
+               errorstream << "Benchmark support is not enabled in this binary. "
+                       << "If you want to enable it, compile project with BUILD_BENCHMARKS=1 flag."
+                       << std::endl;
+               return 1;
 #endif
+       }
+#endif // __ANDROID__
 
+       GameStartData game_params;
 #ifdef SERVER
+       porting::attachOrCreateConsole();
        game_params.is_dedicated_server = true;
 #else
-       game_params.is_dedicated_server = cmd_args.getFlag("server");
+       const bool isServer = cmd_args.getFlag("server");
+       if (isServer)
+               porting::attachOrCreateConsole();
+       game_params.is_dedicated_server = isServer;
 #endif
 
        if (!game_configure(&game_params, cmd_args))
                return 1;
 
-       assert(game_params.world_path != "");
-
-       infostream << "Using commanded world path ["
-                  << game_params.world_path << "]" << std::endl;
-
-       //Run dedicated server if asked to or no other option
-       g_settings->set("server_dedicated",
-                       game_params.is_dedicated_server ? "true" : "false");
+       sanity_check(!game_params.world_path.empty());
 
        if (game_params.is_dedicated_server)
                return run_dedicated_server(game_params, cmd_args) ? 0 : 1;
 
 #ifndef SERVER
-       ClientLauncher launcher;
-       retval = launcher.run(game_params, cmd_args) ? 0 : 1;
+       retval = ClientLauncher().run(game_params, cmd_args) ? 0 : 1;
 #else
        retval = 0;
 #endif
 
        // Update configuration file
-       if (g_settings_path != "")
+       if (!g_settings_path.empty())
                g_settings->updateConfigFile(g_settings_path.c_str());
 
        print_modified_quicktune_values();
 
-       // Stop httpfetch thread (if started)
-       httpfetch_cleanup();
-
-       END_DEBUG_EXCEPTION_HANDLER(errorstream)
+       END_DEBUG_EXCEPTION_HANDLER
 
        return retval;
 }
@@ -312,6 +275,29 @@ int main(int argc, char *argv[])
  *****************************************************************************/
 
 
+static void get_env_opts(Settings &args)
+{
+       // CLICOLOR is a de-facto standard option for colors <https://bixense.com/clicolors/>
+       // CLICOLOR != 0: ANSI colors are supported (auto-detection, this is the default)
+       // CLICOLOR == 0: ANSI colors are NOT supported
+       const char *clicolor = std::getenv(ENV_CLICOLOR);
+       if (clicolor && std::string(clicolor) == "0") {
+               args.set("color", "never");
+       }
+       // NO_COLOR only specifies that no color is allowed.
+       // Implemented according to <http://no-color.org/>
+       const char *no_color = std::getenv(ENV_NO_COLOR);
+       if (no_color && no_color[0]) {
+               args.set("color", "never");
+       }
+       // CLICOLOR_FORCE is another option, which should turn on colors "no matter what".
+       const char *clicolor_force = std::getenv(ENV_CLICOLOR_FORCE);
+       if (clicolor_force && std::string(clicolor_force) != "0") {
+               // should ALWAYS have colors, so we ignore tty (no "auto")
+               args.set("color", "always");
+       }
+}
+
 static bool get_cmdline_opts(int argc, char *argv[], Settings *cmd_args)
 {
        set_allowed_options(&allowed_options);
@@ -333,14 +319,22 @@ static void set_allowed_options(OptionList *allowed_options)
                        _("Set network port (UDP)"))));
        allowed_options->insert(std::make_pair("run-unittests", ValueSpec(VALUETYPE_FLAG,
                        _("Run the unit tests and exit"))));
+       allowed_options->insert(std::make_pair("run-benchmarks", ValueSpec(VALUETYPE_FLAG,
+                       _("Run the benchmarks and exit"))));
        allowed_options->insert(std::make_pair("map-dir", ValueSpec(VALUETYPE_STRING,
                        _("Same as --world (deprecated)"))));
        allowed_options->insert(std::make_pair("world", ValueSpec(VALUETYPE_STRING,
-                       _("Set world path (implies local game) ('list' lists all)"))));
+                       _("Set world path (implies local game if used with option --go)"))));
        allowed_options->insert(std::make_pair("worldname", ValueSpec(VALUETYPE_STRING,
-                       _("Set world by name (implies local game)"))));
+                       _("Set world by name (implies local game if used with option --go)"))));
+       allowed_options->insert(std::make_pair("worldlist", ValueSpec(VALUETYPE_STRING,
+                       _("Get list of worlds ('path' lists paths, "
+                       "'name' lists names, 'both' lists both)"))));
        allowed_options->insert(std::make_pair("quiet", ValueSpec(VALUETYPE_FLAG,
                        _("Print to console errors only"))));
+       allowed_options->insert(std::make_pair("color", ValueSpec(VALUETYPE_STRING,
+                       _("Coloured logs ('always', 'never' or 'auto'), defaults to 'auto'"
+                       ))));
        allowed_options->insert(std::make_pair("info", ValueSpec(VALUETYPE_FLAG,
                        _("Print more information to console"))));
        allowed_options->insert(std::make_pair("verbose",  ValueSpec(VALUETYPE_FLAG,
@@ -353,9 +347,17 @@ static void set_allowed_options(OptionList *allowed_options)
                        _("Set gameid (\"--gameid list\" prints available ones)"))));
        allowed_options->insert(std::make_pair("migrate", ValueSpec(VALUETYPE_STRING,
                        _("Migrate from current map backend to another (Only works when using minetestserver or with --server)"))));
+       allowed_options->insert(std::make_pair("migrate-players", ValueSpec(VALUETYPE_STRING,
+               _("Migrate from current players backend to another (Only works when using minetestserver or with --server)"))));
+       allowed_options->insert(std::make_pair("migrate-auth", ValueSpec(VALUETYPE_STRING,
+               _("Migrate from current auth backend to another (Only works when using minetestserver or with --server)"))));
+       allowed_options->insert(std::make_pair("migrate-mod-storage", ValueSpec(VALUETYPE_STRING,
+               _("Migrate from current mod storage backend to another (Only works when using minetestserver or with --server)"))));
+       allowed_options->insert(std::make_pair("terminal", ValueSpec(VALUETYPE_FLAG,
+                       _("Feature an interactive terminal (Only works when using minetestserver or with --server)"))));
+       allowed_options->insert(std::make_pair("recompress", ValueSpec(VALUETYPE_FLAG,
+                       _("Recompress the blocks of the given map database."))));
 #ifndef SERVER
-       allowed_options->insert(std::make_pair("videomodes", ValueSpec(VALUETYPE_FLAG,
-                       _("Show available video modes"))));
        allowed_options->insert(std::make_pair("speedtests", ValueSpec(VALUETYPE_FLAG,
                        _("Run speed tests"))));
        allowed_options->insert(std::make_pair("address", ValueSpec(VALUETYPE_STRING,
@@ -368,73 +370,83 @@ static void set_allowed_options(OptionList *allowed_options)
                        _("Set player name"))));
        allowed_options->insert(std::make_pair("password", ValueSpec(VALUETYPE_STRING,
                        _("Set password"))));
+       allowed_options->insert(std::make_pair("password-file", ValueSpec(VALUETYPE_STRING,
+                       _("Set password from contents of file"))));
        allowed_options->insert(std::make_pair("go", ValueSpec(VALUETYPE_FLAG,
                        _("Disable main menu"))));
+       allowed_options->insert(std::make_pair("console", ValueSpec(VALUETYPE_FLAG,
+               _("Starts with the console (Windows only)"))));
 #endif
 
 }
 
 static void print_help(const OptionList &allowed_options)
 {
-       dstream << _("Allowed options:") << std::endl;
+       std::cout << _("Allowed options:") << std::endl;
        print_allowed_options(allowed_options);
 }
 
 static void print_allowed_options(const OptionList &allowed_options)
 {
-       for (OptionList::const_iterator i = allowed_options.begin();
-                       i != allowed_options.end(); ++i) {
-               std::ostringstream os1(std::ios::binary);
-               os1 << "  --" << i->first;
-               if (i->second.type != VALUETYPE_FLAG)
-                       os1 << _(" <value>");
+       for (const auto &allowed_option : allowed_options) {
+               std::string opt = "  --" + allowed_option.first;
+               if (allowed_option.second.type != VALUETYPE_FLAG)
+                       opt += _(" <value>");
 
-               dstream << padStringRight(os1.str(), 24);
+               std::string opt_padded = padStringRight(opt, 30);
+               std::cout << opt_padded;
+               if (opt == opt_padded) // Line is too long to pad
+                       std::cout << std::endl << padStringRight("", 30);
 
-               if (i->second.help != NULL)
-                       dstream << i->second.help;
+               if (allowed_option.second.help)
+                       std::cout << allowed_option.second.help;
 
-               dstream << std::endl;
+               std::cout << std::endl;
        }
 }
 
 static void print_version()
 {
-#ifdef SERVER
-       dstream << "minetestserver " << minetest_version_hash << std::endl;
+       std::cout << PROJECT_NAME_C " " << g_version_hash
+               << " (" << porting::getPlatformName() << ")" << std::endl;
+#ifndef SERVER
+       std::cout << "Using Irrlicht " IRRLICHT_SDK_VERSION << std::endl;
+#endif
+#if USE_LUAJIT
+       std::cout << "Using " << LUAJIT_VERSION << std::endl;
 #else
-       dstream << "Minetest " << minetest_version_hash << std::endl;
-       dstream << "Using Irrlicht " << IRRLICHT_SDK_VERSION << std::endl;
+       std::cout << "Using " << LUA_RELEASE << std::endl;
 #endif
-       dstream << "Build info: " << minetest_build_info << std::endl;
+       std::cout << g_build_info << std::endl;
 }
 
 static void list_game_ids()
 {
        std::set<std::string> gameids = getAvailableGameIds();
-       for (std::set<std::string>::const_iterator i = gameids.begin();
-                       i != gameids.end(); i++)
-               dstream << (*i) <<std::endl;
+       for (const std::string &gameid : gameids)
+               std::cout << gameid <<std::endl;
 }
 
-static void list_worlds()
+static void list_worlds(bool print_name, bool print_path)
 {
-       dstream << _("Available worlds:") << std::endl;
+       std::cout << _("Available worlds:") << std::endl;
        std::vector<WorldSpec> worldspecs = getAvailableWorlds();
-       print_worldspecs(worldspecs, dstream);
+       print_worldspecs(worldspecs, std::cout, print_name, print_path);
 }
 
 static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
-                                                        std::ostream &os)
+       std::ostream &os, bool print_name, bool print_path)
 {
-       for (size_t i = 0; i < worldspecs.size(); i++) {
-               std::string name = worldspecs[i].name;
-               std::string path = worldspecs[i].path;
-               if (name.find(" ") != std::string::npos)
-                       name = std::string("'") + name + "'";
-               path = std::string("'") + path + "'";
-               name = padStringRight(name, 14);
-               os << "  " << name << " " << path << std::endl;
+       for (const WorldSpec &worldspec : worldspecs) {
+               std::string name = worldspec.name;
+               std::string path = worldspec.path;
+               if (print_name && print_path) {
+                       os << "\t" << name << "\t\t" << path << std::endl;
+               } else if (print_name) {
+                       os << "\t" << name << std::endl;
+               } else if (print_path) {
+                       os << "\t" << path << std::endl;
+               }
        }
 }
 
@@ -443,42 +455,66 @@ static void print_modified_quicktune_values()
        bool header_printed = false;
        std::vector<std::string> names = getQuicktuneNames();
 
-       for (u32 i = 0; i < names.size(); i++) {
-               QuicktuneValue val = getQuicktuneValue(names[i]);
+       for (const std::string &name : names) {
+               QuicktuneValue val = getQuicktuneValue(name);
                if (!val.modified)
                        continue;
                if (!header_printed) {
                        dstream << "Modified quicktune values:" << std::endl;
                        header_printed = true;
                }
-               dstream << names[i] << " = " << val.getString() << std::endl;
+               dstream << name << " = " << val.getString() << std::endl;
        }
 }
 
-static void setup_log_params(const Settings &cmd_args)
+static bool setup_log_params(const Settings &cmd_args)
 {
        // Quiet mode, print errors only
        if (cmd_args.getFlag("quiet")) {
-               log_remove_output(&main_stderr_log_out);
-               log_add_output_maxlev(&main_stderr_log_out, LMT_ERROR);
+               g_logger.removeOutput(&stderr_output);
+               g_logger.addOutputMaxLevel(&stderr_output, LL_ERROR);
        }
 
-       // If trace is enabled, enable logging of certain things
-       if (cmd_args.getFlag("trace")) {
-               dstream << _("Enabling trace level debug output") << std::endl;
-               log_trace_level_enabled = true;
-               dout_con_ptr = &verbosestream; // this is somewhat old crap
-               socket_enable_debug_output = true; // socket doesn't use log.h
+       // Coloured log messages (see log.h)
+       std::string color_mode;
+       if (cmd_args.exists("color")) {
+               color_mode = cmd_args.get("color");
+#if !defined(_WIN32)
+       } else {
+               char *color_mode_env = getenv("MT_LOGCOLOR");
+               if (color_mode_env)
+                       color_mode = color_mode_env;
+#endif
+       }
+       if (!color_mode.empty()) {
+               if (color_mode == "auto") {
+                       Logger::color_mode = LOG_COLOR_AUTO;
+               } else if (color_mode == "always") {
+                       Logger::color_mode = LOG_COLOR_ALWAYS;
+               } else if (color_mode == "never") {
+                       Logger::color_mode = LOG_COLOR_NEVER;
+               } else {
+                       errorstream << "Invalid color mode: " << color_mode << std::endl;
+                       return false;
+               }
        }
 
        // In certain cases, output info level on stderr
        if (cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
                        cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
-               log_add_output(&main_stderr_log_out, LMT_INFO);
+               g_logger.addOutput(&stderr_output, LL_INFO);
 
        // In certain cases, output verbose level on stderr
        if (cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
-               log_add_output(&main_stderr_log_out, LMT_VERBOSE);
+               g_logger.addOutput(&stderr_output, LL_VERBOSE);
+
+       if (cmd_args.getFlag("trace")) {
+               dstream << _("Enabling trace level debug output") << std::endl;
+               g_logger.addOutput(&stderr_output, LL_TRACE);
+               socket_enable_debug_output = true;
+       }
+
+       return true;
 }
 
 static bool create_userdata_path()
@@ -486,39 +522,36 @@ static bool create_userdata_path()
        bool success;
 
 #ifdef __ANDROID__
-       porting::initAndroid();
-
-       porting::setExternalStorageDir(porting::jnienv);
        if (!fs::PathExists(porting::path_user)) {
                success = fs::CreateDir(porting::path_user);
        } else {
                success = true;
        }
-       porting::copyAssets();
 #else
        // Create user data directory
-       success = fs::CreateDir(porting::path_user);
+       success = fs::CreateAllDirs(porting::path_user);
 #endif
 
-       infostream << "path_share = " << porting::path_share << std::endl;
-       infostream << "path_user  = " << porting::path_user << std::endl;
-
        return success;
 }
 
-static bool init_common(int *log_level, const Settings &cmd_args, int argc, char *argv[])
+static bool init_common(const Settings &cmd_args, int argc, char *argv[])
 {
        startup_message();
-       set_default_settings(g_settings);
+       set_default_settings();
 
-       // Initialize sockets
        sockets_init();
-       atexit(sockets_cleanup);
+
+       // Initialize g_settings
+       Settings::createLayer(SL_GLOBAL);
+
+       // Set cleanup callback(s) to run at process exit
+       atexit(uninit_common);
 
        if (!read_config_file(cmd_args))
                return false;
 
-       init_debug_streams(log_level, cmd_args);
+       init_log_streams(cmd_args);
 
        // Initialize random seed
        srand(time(0));
@@ -527,29 +560,35 @@ static bool init_common(int *log_level, const Settings &cmd_args, int argc, char
        // Initialize HTTP fetcher
        httpfetch_init(g_settings->getS32("curl_parallel_limit"));
 
-#ifdef _MSC_VER
-       init_gettext((porting::path_share + DIR_DELIM + "locale").c_str(),
+       init_gettext(porting::path_locale.c_str(),
                g_settings->get("language"), argc, argv);
-#else
-       init_gettext((porting::path_share + DIR_DELIM + "locale").c_str(),
-               g_settings->get("language"));
-#endif
 
        return true;
 }
 
+static void uninit_common()
+{
+       httpfetch_cleanup();
+
+       sockets_cleanup();
+
+       // It'd actually be okay to leak these but we want to please valgrind...
+       for (int i = 0; i < (int)SL_TOTAL_COUNT; i++)
+               delete Settings::getLayer((SettingsLayer)i);
+}
+
 static void startup_message()
 {
        infostream << PROJECT_NAME << " " << _("with")
                   << " SER_FMT_VER_HIGHEST_READ="
                << (int)SER_FMT_VER_HIGHEST_READ << ", "
-               << minetest_build_info << std::endl;
+               << g_build_info << std::endl;
 }
 
 static bool read_config_file(const Settings &cmd_args)
 {
        // Path of configuration file in use
-       assert(g_settings_path == "");  // Sanity check
+       sanity_check(g_settings_path.empty());  // Sanity check
 
        if (cmd_args.exists("config")) {
                bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
@@ -573,54 +612,59 @@ static bool read_config_file(const Settings &cmd_args)
                                DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 #endif
 
-               for (size_t i = 0; i < filenames.size(); i++) {
-                       bool r = g_settings->readConfigFile(filenames[i].c_str());
+               for (const std::string &filename : filenames) {
+                       bool r = g_settings->readConfigFile(filename.c_str());
                        if (r) {
-                               g_settings_path = filenames[i];
+                               g_settings_path = filename;
                                break;
                        }
                }
 
                // If no path found, use the first one (menu creates the file)
-               if (g_settings_path == "")
+               if (g_settings_path.empty())
                        g_settings_path = filenames[0];
        }
 
        return true;
 }
 
-static void init_debug_streams(int *log_level, const Settings &cmd_args)
+static void init_log_streams(const Settings &cmd_args)
 {
-#if RUN_IN_PLACE
-       std::string logfile = DEBUGFILE;
-#else
-       std::string logfile = porting::path_user + DIR_DELIM + DEBUGFILE;
-#endif
-       if (cmd_args.exists("logfile"))
-               logfile = cmd_args.get("logfile");
+       std::string log_filename = porting::path_user + DIR_DELIM + DEBUGFILE;
 
-       log_remove_output(&main_dstream_no_stderr_log_out);
-       *log_level = g_settings->getS32("debug_log_level");
-
-       if (*log_level == 0) //no logging
-               logfile = "";
-       if (*log_level < 0) {
-               dstream << "WARNING: Supplied debug_log_level < 0; Using 0" << std::endl;
-               *log_level = 0;
-       } else if (*log_level > LMT_NUM_VALUES) {
-               dstream << "WARNING: Supplied debug_log_level > " << LMT_NUM_VALUES
-                       << "; Using " << LMT_NUM_VALUES << std::endl;
-               *log_level = LMT_NUM_VALUES;
+       if (cmd_args.exists("logfile"))
+               log_filename = cmd_args.get("logfile");
+
+       g_logger.removeOutput(&file_log_output);
+       std::string conf_loglev = g_settings->get("debug_log_level");
+
+       // Old integer format
+       if (std::isdigit(conf_loglev[0])) {
+               warningstream << "Deprecated use of debug_log_level with an "
+                       "integer value; please update your configuration." << std::endl;
+               static const char *lev_name[] =
+                       {"", "error", "action", "info", "verbose", "trace"};
+               int lev_i = atoi(conf_loglev.c_str());
+               if (lev_i < 0 || lev_i >= (int)ARRLEN(lev_name)) {
+                       warningstream << "Supplied invalid debug_log_level!"
+                               "  Assuming action level." << std::endl;
+                       lev_i = 2;
+               }
+               conf_loglev = lev_name[lev_i];
        }
 
-       log_add_output_maxlev(&main_dstream_no_stderr_log_out,
-                       (LogMessageLevel)(*log_level - 1));
+       if (log_filename.empty() || conf_loglev.empty())  // No logging
+               return;
 
-       debugstreams_init(false, logfile == "" ? NULL : logfile.c_str());
-
-       infostream << "logfile = " << logfile << std::endl;
+       LogLevel log_level = Logger::stringToLevel(conf_loglev);
+       if (log_level == LL_MAX) {
+               warningstream << "Supplied unrecognized debug_log_level; "
+                       "using maximum." << std::endl;
+       }
 
-       atexit(debugstreams_deinit);
+       file_log_output.setFile(log_filename,
+               g_settings->getU64("debug_log_size_max") * 1000000);
+       g_logger.addOutputMaxLevel(&file_log_output, log_level);
 }
 
 static bool game_configure(GameParams *game_params, const Settings &cmd_args)
@@ -639,10 +683,14 @@ static bool game_configure(GameParams *game_params, const Settings &cmd_args)
 
 static void game_configure_port(GameParams *game_params, const Settings &cmd_args)
 {
-       if (cmd_args.exists("port"))
+       if (cmd_args.exists("port")) {
                game_params->socket_port = cmd_args.getU16("port");
-       else
-               game_params->socket_port = g_settings->getU16("port");
+       } else {
+               if (game_params->is_dedicated_server)
+                       game_params->socket_port = g_settings->getU16("port");
+               else
+                       game_params->socket_port = g_settings->getU16("remote_port");
+       }
 
        if (game_params->socket_port == 0)
                game_params->socket_port = DEFAULT_SERVER_PORT;
@@ -652,6 +700,7 @@ static bool game_configure_world(GameParams *game_params, const Settings &cmd_ar
 {
        if (get_world_from_cmdline(game_params, cmd_args))
                return true;
+
        if (get_world_from_config(game_params, cmd_args))
                return true;
 
@@ -660,24 +709,24 @@ static bool game_configure_world(GameParams *game_params, const Settings &cmd_ar
 
 static bool get_world_from_cmdline(GameParams *game_params, const Settings &cmd_args)
 {
-       std::string commanded_world = "";
+       std::string commanded_world;
 
        // World name
-       std::string commanded_worldname = "";
+       std::string commanded_worldname;
        if (cmd_args.exists("worldname"))
                commanded_worldname = cmd_args.get("worldname");
 
        // If a world name was specified, convert it to a path
-       if (commanded_worldname != "") {
+       if (!commanded_worldname.empty()) {
                // Get information about available worlds
                std::vector<WorldSpec> worldspecs = getAvailableWorlds();
                bool found = false;
-               for (u32 i = 0; i < worldspecs.size(); i++) {
-                       std::string name = worldspecs[i].name;
+               for (const WorldSpec &worldspec : worldspecs) {
+                       std::string name = worldspec.name;
                        if (name == commanded_worldname) {
                                dstream << _("Using world specified by --worldname on the "
                                        "command line") << std::endl;
-                               commanded_world = worldspecs[i].path;
+                               commanded_world = worldspec.path;
                                found = true;
                                break;
                        }
@@ -690,7 +739,7 @@ static bool get_world_from_cmdline(GameParams *game_params, const Settings &cmd_
                }
 
                game_params->world_path = get_clean_world_path(commanded_world);
-               return commanded_world != "";
+               return !commanded_world.empty();
        }
 
        if (cmd_args.exists("world"))
@@ -701,20 +750,20 @@ static bool get_world_from_cmdline(GameParams *game_params, const Settings &cmd_
                commanded_world = cmd_args.get("nonopt0");
 
        game_params->world_path = get_clean_world_path(commanded_world);
-       return commanded_world != "";
+       return !commanded_world.empty();
 }
 
 static bool get_world_from_config(GameParams *game_params, const Settings &cmd_args)
 {
        // World directory
-       std::string commanded_world = "";
+       std::string commanded_world;
 
        if (g_settings->exists("map-dir"))
                commanded_world = g_settings->get("map-dir");
 
        game_params->world_path = get_clean_world_path(commanded_world);
 
-       return commanded_world != "";
+       return !commanded_world.empty();
 }
 
 static bool auto_select_world(GameParams *game_params)
@@ -722,8 +771,6 @@ static bool auto_select_world(GameParams *game_params)
        // No world was specified; try to select it automatically
        // Get information about available worlds
 
-       verbosestream << _("Determining world path") << std::endl;
-
        std::vector<WorldSpec> worldspecs = getAvailableWorlds();
        std::string world_path;
 
@@ -734,21 +781,21 @@ static bool auto_select_world(GameParams *game_params)
                        << world_path << "]" << std::endl;
        // If there are multiple worlds, list them
        } else if (worldspecs.size() > 1 && game_params->is_dedicated_server) {
-               dstream << _("Multiple worlds are available.") << std::endl;
-               dstream << _("Please select one using --worldname <name>"
+               std::cerr << _("Multiple worlds are available.") << std::endl;
+               std::cerr << _("Please select one using --worldname <name>"
                                " or --world <path>") << std::endl;
-               print_worldspecs(worldspecs, dstream);
+               print_worldspecs(worldspecs, std::cerr);
                return false;
        // If there are no worlds, automatically create a new one
        } else {
                // This is the ultimate default world path
                world_path = porting::path_user + DIR_DELIM + "worlds" +
                                DIR_DELIM + "world";
-               infostream << "Creating default world at ["
+               infostream << "Using default world at ["
                           << world_path << "]" << std::endl;
        }
 
-       assert(world_path != "");
+       assert(!world_path.empty());    // Post-condition
        game_params->world_path = world_path;
        return true;
 }
@@ -804,12 +851,11 @@ static bool determine_subgame(GameParams *game_params)
 {
        SubgameSpec gamespec;
 
-       assert(game_params->world_path != "");  // pre-condition
+       assert(!game_params->world_path.empty());       // Pre-condition
 
-       verbosestream << _("Determining gameid/gamespec") << std::endl;
        // If world doesn't exist
-       if (game_params->world_path != ""
-                       && !getWorldExists(game_params->world_path)) {
+       if (!game_params->world_path.empty()
+               && !getWorldExists(game_params->world_path)) {
                // Try to take gamespec from command line
                if (game_params->game_spec.isValid()) {
                        gamespec = game_params->game_spec;
@@ -818,7 +864,7 @@ static bool determine_subgame(GameParams *game_params)
                        gamespec = findSubgame(g_settings->get("default_game"));
                        infostream << "Using default gameid [" << gamespec.id << "]" << std::endl;
                        if (!gamespec.isValid()) {
-                               errorstream << "Subgame specified in default_game ["
+                               errorstream << "Game specified in default_game ["
                                            << g_settings->get("default_game")
                                            << "] is invalid." << std::endl;
                                return false;
@@ -830,7 +876,7 @@ static bool determine_subgame(GameParams *game_params)
                if (game_params->game_spec.isValid()) {
                        gamespec = game_params->game_spec;
                        if (game_params->game_spec.id != world_gameid) {
-                               errorstream << "WARNING: Using commanded gameid ["
+                               warningstream << "Using commanded gameid ["
                                            << gamespec.id << "]" << " instead of world gameid ["
                                            << world_gameid << "]" << std::endl;
                        }
@@ -843,7 +889,7 @@ static bool determine_subgame(GameParams *game_params)
        }
 
        if (!gamespec.isValid()) {
-               errorstream << "Subgame [" << gamespec.id << "] could not be found."
+               errorstream << "Game [" << gamespec.id << "] could not be found."
                            << std::endl;
                return false;
        }
@@ -858,8 +904,6 @@ static bool determine_subgame(GameParams *game_params)
  *****************************************************************************/
 static bool run_dedicated_server(const GameParams &game_params, const Settings &cmd_args)
 {
-       DSTACK("Dedicated server branch");
-
        verbosestream << _("Using world path") << " ["
                      << game_params.world_path << "]" << std::endl;
        verbosestream << _("Using gameid") << " ["
@@ -886,24 +930,105 @@ static bool run_dedicated_server(const GameParams &game_params, const Settings &
                return false;
        }
 
-       // Database migration
+       // Database migration/compression
        if (cmd_args.exists("migrate"))
-               return migrate_database(game_params, cmd_args);
+               return migrate_map_database(game_params, cmd_args);
+
+       if (cmd_args.exists("migrate-players"))
+               return ServerEnvironment::migratePlayersDatabase(game_params, cmd_args);
+
+       if (cmd_args.exists("migrate-auth"))
+               return ServerEnvironment::migrateAuthDatabase(game_params, cmd_args);
+
+       if (cmd_args.exists("migrate-mod-storage"))
+               return Server::migrateModStorageDatabase(game_params, cmd_args);
+
+       if (cmd_args.getFlag("recompress"))
+               return recompress_map_database(game_params, cmd_args, bind_addr);
+
+       if (cmd_args.exists("terminal")) {
+#if USE_CURSES
+               bool name_ok = true;
+               std::string admin_nick = g_settings->get("name");
+
+               name_ok = name_ok && !admin_nick.empty();
+               name_ok = name_ok && string_allowed(admin_nick, PLAYERNAME_ALLOWED_CHARS);
+
+               if (!name_ok) {
+                       if (admin_nick.empty()) {
+                               errorstream << "No name given for admin. "
+                                       << "Please check your minetest.conf that it "
+                                       << "contains a 'name = ' to your main admin account."
+                                       << std::endl;
+                       } else {
+                               errorstream << "Name for admin '"
+                                       << admin_nick << "' is not valid. "
+                                       << "Please check that it only contains allowed characters. "
+                                       << "Valid characters are: " << PLAYERNAME_ALLOWED_CHARS_USER_EXPL
+                                       << std::endl;
+                       }
+                       return false;
+               }
+               ChatInterface iface;
+               bool &kill = *porting::signal_handler_killstatus();
 
-       // Create server
-       Server server(game_params.world_path,
-                       game_params.game_spec, false, bind_addr.isIPv6());
+               try {
+                       // Create server
+                       Server server(game_params.world_path, game_params.game_spec,
+                                       false, bind_addr, true, &iface);
 
-       server.start(bind_addr);
+                       g_term_console.setup(&iface, &kill, admin_nick);
 
-       // Run server
-       bool &kill = *porting::signal_handler_killstatus();
-       dedicated_server_loop(server, kill);
+                       g_term_console.start();
+
+                       server.start();
+                       // Run server
+                       dedicated_server_loop(server, kill);
+               } catch (const ModError &e) {
+                       g_term_console.stopAndWaitforThread();
+                       errorstream << "ModError: " << e.what() << std::endl;
+                       return false;
+               } catch (const ServerError &e) {
+                       g_term_console.stopAndWaitforThread();
+                       errorstream << "ServerError: " << e.what() << std::endl;
+                       return false;
+               }
+
+               // Tell the console to stop, and wait for it to finish,
+               // only then leave context and free iface
+               g_term_console.stop();
+               g_term_console.wait();
+
+               g_term_console.clearKillStatus();
+       } else {
+#else
+               errorstream << "Cmd arg --terminal passed, but "
+                       << "compiled without ncurses. Ignoring." << std::endl;
+       } {
+#endif
+               try {
+                       // Create server
+                       Server server(game_params.world_path, game_params.game_spec, false,
+                               bind_addr, true);
+                       server.start();
+
+                       // Run server
+                       bool &kill = *porting::signal_handler_killstatus();
+                       dedicated_server_loop(server, kill);
+
+               } catch (const ModError &e) {
+                       errorstream << "ModError: " << e.what() << std::endl;
+                       return false;
+               } catch (const ServerError &e) {
+                       errorstream << "ServerError: " << e.what() << std::endl;
+                       return false;
+               }
+       }
 
        return true;
 }
 
-static bool migrate_database(const GameParams &game_params, const Settings &cmd_args)
+static bool migrate_map_database(const GameParams &game_params, const Settings &cmd_args)
 {
        std::string migrate_to = cmd_args.get("migrate");
        Settings world_mt;
@@ -912,20 +1037,23 @@ static bool migrate_database(const GameParams &game_params, const Settings &cmd_
                errorstream << "Cannot read world.mt!" << std::endl;
                return false;
        }
+
        if (!world_mt.exists("backend")) {
                errorstream << "Please specify your current backend in world.mt:"
                        << std::endl
-                       << "    backend = {sqlite3|leveldb|redis|dummy}"
+                       << "    backend = {sqlite3|leveldb|redis|dummy|postgresql}"
                        << std::endl;
                return false;
        }
+
        std::string backend = world_mt.get("backend");
        if (backend == migrate_to) {
                errorstream << "Cannot migrate: new backend is same"
                        << " as the old one" << std::endl;
                return false;
        }
-       Database *old_db = ServerMap::createDatabase(backend, game_params.world_path, world_mt),
+
+       MapDatabase *old_db = ServerMap::createDatabase(backend, game_params.world_path, world_mt),
                *new_db = ServerMap::createDatabase(migrate_to, game_params.world_path, world_mt);
 
        u32 count = 0;
@@ -938,7 +1066,8 @@ static bool migrate_database(const GameParams &game_params, const Settings &cmd_
        for (std::vector<v3s16>::const_iterator it = blocks.begin(); it != blocks.end(); ++it) {
                if (kill) return false;
 
-               const std::string &data = old_db->loadBlock(*it);
+               std::string data;
+               old_db->loadBlock(*it, &data);
                if (!data.empty()) {
                        new_db->saveBlock(*it, data);
                } else {
@@ -967,3 +1096,68 @@ static bool migrate_database(const GameParams &game_params, const Settings &cmd_
        return true;
 }
 
+static bool recompress_map_database(const GameParams &game_params, const Settings &cmd_args, const Address &addr)
+{
+       Settings world_mt;
+       const std::string world_mt_path = game_params.world_path + DIR_DELIM + "world.mt";
+
+       if (!world_mt.readConfigFile(world_mt_path.c_str())) {
+               errorstream << "Cannot read world.mt at " << world_mt_path << std::endl;
+               return false;
+       }
+       const std::string &backend = world_mt.get("backend");
+       Server server(game_params.world_path, game_params.game_spec, false, addr, false);
+       MapDatabase *db = ServerMap::createDatabase(backend, game_params.world_path, world_mt);
+
+       u32 count = 0;
+       u64 last_update_time = 0;
+       bool &kill = *porting::signal_handler_killstatus();
+       const u8 serialize_as_ver = SER_FMT_VER_HIGHEST_WRITE;
+
+       // This is ok because the server doesn't actually run
+       std::vector<v3s16> blocks;
+       db->listAllLoadableBlocks(blocks);
+       db->beginSave();
+       std::istringstream iss(std::ios_base::binary);
+       std::ostringstream oss(std::ios_base::binary);
+       for (auto it = blocks.begin(); it != blocks.end(); ++it) {
+               if (kill) return false;
+
+               std::string data;
+               db->loadBlock(*it, &data);
+               if (data.empty()) {
+                       errorstream << "Failed to load block " << PP(*it) << std::endl;
+                       return false;
+               }
+
+               iss.str(data);
+               iss.clear();
+
+               {
+                       MapBlock mb(nullptr, v3s16(0,0,0), &server);
+                       u8 ver = readU8(iss);
+                       mb.deSerialize(iss, ver, true);
+
+                       oss.str("");
+                       oss.clear();
+                       writeU8(oss, serialize_as_ver);
+                       mb.serialize(oss, serialize_as_ver, true, -1);
+               }
+
+               db->saveBlock(*it, oss.str());
+
+               count++;
+               if (count % 0xFF == 0 && porting::getTimeS() - last_update_time >= 1) {
+                       std::cerr << " Recompressed " << count << " blocks, "
+                               << (100.0f * count / blocks.size()) << "% completed.\r";
+                       db->endSave();
+                       db->beginSave();
+                       last_update_time = porting::getTimeS();
+               }
+       }
+       std::cerr << std::endl;
+       db->endSave();
+
+       actionstream << "Done, " << count << " blocks were recompressed." << std::endl;
+       return true;
+}