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main.cpp
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main.cpp
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/**************************************************************************/
/* main.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "main.h"
#include "core/config/project_settings.h"
#include "core/core_globals.h"
#include "core/core_string_names.h"
#include "core/crypto/crypto.h"
#include "core/debugger/engine_debugger.h"
#include "core/extension/extension_api_dump.h"
#include "core/extension/gdextension_interface_dump.gen.h"
#include "core/extension/gdextension_manager.h"
#include "core/input/input.h"
#include "core/input/input_map.h"
#include "core/io/dir_access.h"
#include "core/io/file_access_pack.h"
#include "core/io/file_access_zip.h"
#include "core/io/image_loader.h"
#include "core/io/ip.h"
#include "core/io/resource_loader.h"
#include "core/object/message_queue.h"
#include "core/os/os.h"
#include "core/os/time.h"
#include "core/register_core_types.h"
#include "core/string/translation.h"
#include "core/version.h"
#include "drivers/register_driver_types.h"
#include "main/app_icon.gen.h"
#include "main/main_timer_sync.h"
#include "main/performance.h"
#include "main/splash.gen.h"
#include "modules/register_module_types.h"
#include "platform/register_platform_apis.h"
#include "scene/main/scene_tree.h"
#include "scene/main/window.h"
#include "scene/register_scene_types.h"
#include "scene/resources/packed_scene.h"
#include "scene/theme/theme_db.h"
#include "servers/audio_server.h"
#include "servers/camera_server.h"
#include "servers/display_server.h"
#include "servers/movie_writer/movie_writer.h"
#include "servers/movie_writer/movie_writer_mjpeg.h"
#include "servers/navigation_server_2d.h"
#include "servers/navigation_server_2d_dummy.h"
#include "servers/navigation_server_3d.h"
#include "servers/navigation_server_3d_dummy.h"
#include "servers/physics_server_2d.h"
#include "servers/physics_server_3d.h"
#include "servers/register_server_types.h"
#include "servers/rendering/rendering_server_default.h"
#include "servers/text/text_server_dummy.h"
#include "servers/text_server.h"
#include "servers/xr_server.h"
#ifdef TESTS_ENABLED
#include "tests/test_main.h"
#endif
#ifdef TOOLS_ENABLED
#include "editor/debugger/editor_debugger_node.h"
#include "editor/doc_data_class_path.gen.h"
#include "editor/doc_tools.h"
#include "editor/editor_help.h"
#include "editor/editor_node.h"
#include "editor/editor_paths.h"
#include "editor/editor_settings.h"
#include "editor/editor_translation.h"
#include "editor/progress_dialog.h"
#include "editor/project_manager.h"
#include "editor/register_editor_types.h"
#ifndef NO_EDITOR_SPLASH
#include "main/splash_editor.gen.h"
#endif
#ifndef DISABLE_DEPRECATED
#include "editor/project_converter_3_to_4.h"
#endif // DISABLE_DEPRECATED
#endif // TOOLS_ENABLED
#include "modules/modules_enabled.gen.h" // For mono.
#if defined(MODULE_MONO_ENABLED) && defined(TOOLS_ENABLED)
#include "modules/mono/editor/bindings_generator.h"
#endif
#ifdef MODULE_GDSCRIPT_ENABLED
#include "modules/gdscript/gdscript.h"
#if defined(TOOLS_ENABLED) && !defined(GDSCRIPT_NO_LSP)
#include "modules/gdscript/language_server/gdscript_language_server.h"
#endif // TOOLS_ENABLED && !GDSCRIPT_NO_LSP
#endif // MODULE_GDSCRIPT_ENABLED
/* Static members */
// Singletons
// Initialized in setup()
static Engine *engine = nullptr;
static ProjectSettings *globals = nullptr;
static Input *input = nullptr;
static InputMap *input_map = nullptr;
static TranslationServer *translation_server = nullptr;
static Performance *performance = nullptr;
static PackedData *packed_data = nullptr;
static Time *time_singleton = nullptr;
#ifdef MINIZIP_ENABLED
static ZipArchive *zip_packed_data = nullptr;
#endif
static MessageQueue *message_queue = nullptr;
// Initialized in setup2()
static AudioServer *audio_server = nullptr;
static DisplayServer *display_server = nullptr;
static RenderingServer *rendering_server = nullptr;
static CameraServer *camera_server = nullptr;
static XRServer *xr_server = nullptr;
static TextServerManager *tsman = nullptr;
static PhysicsServer3DManager *physics_server_3d_manager = nullptr;
static PhysicsServer3D *physics_server_3d = nullptr;
static PhysicsServer2DManager *physics_server_2d_manager = nullptr;
static PhysicsServer2D *physics_server_2d = nullptr;
static NavigationServer3D *navigation_server_3d = nullptr;
static NavigationServer2D *navigation_server_2d = nullptr;
static ThemeDB *theme_db = nullptr;
// We error out if setup2() doesn't turn this true
static bool _start_success = false;
// Drivers
String tablet_driver = "";
String text_driver = "";
String rendering_driver = "";
String rendering_method = "";
static int text_driver_idx = -1;
static int display_driver_idx = -1;
static int audio_driver_idx = -1;
// Engine config/tools
static bool single_window = false;
static bool editor = false;
static bool project_manager = false;
static bool cmdline_tool = false;
static String locale;
static bool show_help = false;
static uint64_t quit_after = 0;
static OS::ProcessID editor_pid = 0;
#ifdef TOOLS_ENABLED
static bool found_project = false;
static bool auto_build_solutions = false;
static String debug_server_uri;
#ifndef DISABLE_DEPRECATED
static int converter_max_kb_file = 4 * 1024; // 4MB
static int converter_max_line_length = 100000;
#endif // DISABLE_DEPRECATED
HashMap<Main::CLIScope, Vector<String>> forwardable_cli_arguments;
#endif
static bool single_threaded_scene = false;
// Display
static DisplayServer::WindowMode window_mode = DisplayServer::WINDOW_MODE_WINDOWED;
static DisplayServer::ScreenOrientation window_orientation = DisplayServer::SCREEN_LANDSCAPE;
static DisplayServer::VSyncMode window_vsync_mode = DisplayServer::VSYNC_ENABLED;
static uint32_t window_flags = 0;
static Size2i window_size = Size2i(1152, 648);
static int init_screen = DisplayServer::SCREEN_PRIMARY;
static bool init_fullscreen = false;
static bool init_maximized = false;
static bool init_windowed = false;
static bool init_always_on_top = false;
static bool init_use_custom_pos = false;
static bool init_use_custom_screen = false;
static Vector2 init_custom_pos;
// Debug
static bool use_debug_profiler = false;
#ifdef DEBUG_ENABLED
static bool debug_collisions = false;
static bool debug_paths = false;
static bool debug_navigation = false;
static bool debug_avoidance = false;
static bool debug_canvas_item_redraw = false;
#endif
static int max_fps = -1;
static int frame_delay = 0;
static int audio_output_latency = 0;
static bool disable_render_loop = false;
static int fixed_fps = -1;
static MovieWriter *movie_writer = nullptr;
static bool disable_vsync = false;
static bool print_fps = false;
#ifdef TOOLS_ENABLED
static bool dump_gdextension_interface = false;
static bool dump_extension_api = false;
static bool include_docs_in_extension_api_dump = false;
static bool validate_extension_api = false;
static String validate_extension_api_file;
#endif
bool profile_gpu = false;
// Constants.
static const String NULL_DISPLAY_DRIVER("headless");
static const String NULL_AUDIO_DRIVER("Dummy");
/* Helper methods */
bool Main::is_cmdline_tool() {
return cmdline_tool;
}
#ifdef TOOLS_ENABLED
const Vector<String> &Main::get_forwardable_cli_arguments(Main::CLIScope p_scope) {
return forwardable_cli_arguments[p_scope];
}
#endif
static String unescape_cmdline(const String &p_str) {
return p_str.replace("%20", " ");
}
static String get_full_version_string() {
String hash = String(VERSION_HASH);
if (!hash.is_empty()) {
hash = "." + hash.left(9);
}
return String(VERSION_FULL_BUILD) + hash;
}
#if defined(TOOLS_ENABLED) && defined(MODULE_GDSCRIPT_ENABLED)
static Vector<String> get_files_with_extension(const String &p_root, const String &p_extension) {
Vector<String> paths;
Ref<DirAccess> dir = DirAccess::open(p_root);
if (dir.is_valid()) {
dir->list_dir_begin();
String fn = dir->get_next();
while (!fn.is_empty()) {
if (!dir->current_is_hidden() && fn != "." && fn != "..") {
if (dir->current_is_dir()) {
paths.append_array(get_files_with_extension(p_root.path_join(fn), p_extension));
} else if (fn.get_extension() == p_extension) {
paths.append(p_root.path_join(fn));
}
}
fn = dir->get_next();
}
dir->list_dir_end();
}
return paths;
}
#endif
// FIXME: Could maybe be moved to have less code in main.cpp.
void initialize_physics() {
/// 3D Physics Server
physics_server_3d = PhysicsServer3DManager::get_singleton()->new_server(
GLOBAL_GET(PhysicsServer3DManager::setting_property_name));
if (!physics_server_3d) {
// Physics server not found, Use the default physics
physics_server_3d = PhysicsServer3DManager::get_singleton()->new_default_server();
}
ERR_FAIL_NULL(physics_server_3d);
physics_server_3d->init();
// 2D Physics server
physics_server_2d = PhysicsServer2DManager::get_singleton()->new_server(
GLOBAL_GET(PhysicsServer2DManager::get_singleton()->setting_property_name));
if (!physics_server_2d) {
// Physics server not found, Use the default physics
physics_server_2d = PhysicsServer2DManager::get_singleton()->new_default_server();
}
ERR_FAIL_NULL(physics_server_2d);
physics_server_2d->init();
}
void finalize_physics() {
physics_server_3d->finish();
memdelete(physics_server_3d);
physics_server_2d->finish();
memdelete(physics_server_2d);
}
void finalize_display() {
rendering_server->finish();
memdelete(rendering_server);
memdelete(display_server);
}
void initialize_navigation_server() {
ERR_FAIL_COND(navigation_server_3d != nullptr);
ERR_FAIL_COND(navigation_server_2d != nullptr);
// Init 3D Navigation Server
navigation_server_3d = NavigationServer3DManager::new_default_server();
// Fall back to dummy if no default server has been registered.
if (!navigation_server_3d) {
WARN_PRINT_ONCE("No NavigationServer3D implementation has been registered! Falling back to a dummy implementation: navigation features will be unavailable.");
navigation_server_3d = memnew(NavigationServer3DDummy);
}
// Should be impossible, but make sure it's not null.
ERR_FAIL_NULL_MSG(navigation_server_3d, "Failed to initialize NavigationServer3D.");
navigation_server_3d->init();
// Init 2D Navigation Server
navigation_server_2d = NavigationServer2DManager::new_default_server();
if (!navigation_server_2d) {
WARN_PRINT_ONCE("No NavigationServer2D implementation has been registered! Falling back to a dummy implementation: navigation features will be unavailable.");
navigation_server_2d = memnew(NavigationServer2DDummy);
}
ERR_FAIL_NULL_MSG(navigation_server_2d, "Failed to initialize NavigationServer2D.");
navigation_server_2d->init();
}
void finalize_navigation_server() {
ERR_FAIL_NULL(navigation_server_3d);
navigation_server_3d->finish();
memdelete(navigation_server_3d);
navigation_server_3d = nullptr;
ERR_FAIL_NULL(navigation_server_2d);
navigation_server_2d->finish();
memdelete(navigation_server_2d);
navigation_server_2d = nullptr;
}
void initialize_theme_db() {
theme_db = memnew(ThemeDB);
}
void finalize_theme_db() {
memdelete(theme_db);
theme_db = nullptr;
}
//#define DEBUG_INIT
#ifdef DEBUG_INIT
#define MAIN_PRINT(m_txt) print_line(m_txt)
#else
#define MAIN_PRINT(m_txt)
#endif
void Main::print_help(const char *p_binary) {
print_line(String(VERSION_NAME) + " v" + get_full_version_string() + " - " + String(VERSION_WEBSITE));
OS::get_singleton()->print("Free and open source software under the terms of the MIT license.\n");
OS::get_singleton()->print("(c) 2014-present Godot Engine contributors.\n");
OS::get_singleton()->print("(c) 2007-2014 Juan Linietsky, Ariel Manzur.\n");
OS::get_singleton()->print("\n");
OS::get_singleton()->print("Usage: %s [options] [path to scene or 'project.godot' file]\n", p_binary);
OS::get_singleton()->print("\n");
OS::get_singleton()->print("General options:\n");
OS::get_singleton()->print(" -h, --help Display this help message.\n");
OS::get_singleton()->print(" --version Display the version string.\n");
OS::get_singleton()->print(" -v, --verbose Use verbose stdout mode.\n");
OS::get_singleton()->print(" -q, --quiet Quiet mode, silences stdout messages. Errors are still displayed.\n");
OS::get_singleton()->print("\n");
OS::get_singleton()->print("Run options:\n");
OS::get_singleton()->print(" --, ++ Separator for user-provided arguments. Following arguments are not used by the engine, but can be read from `OS.get_cmdline_user_args()`.\n");
#ifdef TOOLS_ENABLED
OS::get_singleton()->print(" -e, --editor Start the editor instead of running the scene.\n");
OS::get_singleton()->print(" -p, --project-manager Start the project manager, even if a project is auto-detected.\n");
OS::get_singleton()->print(" --debug-server <uri> Start the editor debug server (<protocol>://<host/IP>[:<port>], e.g. tcp://127.0.0.1:6007)\n");
#if defined(MODULE_GDSCRIPT_ENABLED) && !defined(GDSCRIPT_NO_LSP)
OS::get_singleton()->print(" --lsp-port <port> Use the specified port for the language server protocol. The port must be between 0 to 65535.\n");
#endif // MODULE_GDSCRIPT_ENABLED && !GDSCRIPT_NO_LSP
#endif // TOOLS_ENABLED
OS::get_singleton()->print(" --quit Quit after the first iteration.\n");
OS::get_singleton()->print(" --quit-after <int> Quit after the given number of iterations. Set to 0 to disable.\n");
OS::get_singleton()->print(" -l, --language <locale> Use a specific locale (<locale> being a two-letter code).\n");
OS::get_singleton()->print(" --path <directory> Path to a project (<directory> must contain a 'project.godot' file).\n");
OS::get_singleton()->print(" -u, --upwards Scan folders upwards for project.godot file.\n");
OS::get_singleton()->print(" --main-pack <file> Path to a pack (.pck) file to load.\n");
OS::get_singleton()->print(" --render-thread <mode> Render thread mode ['unsafe', 'safe', 'separate'].\n");
OS::get_singleton()->print(" --remote-fs <address> Remote filesystem (<host/IP>[:<port>] address).\n");
OS::get_singleton()->print(" --remote-fs-password <password> Password for remote filesystem.\n");
OS::get_singleton()->print(" --audio-driver <driver> Audio driver [");
for (int i = 0; i < AudioDriverManager::get_driver_count(); i++) {
if (i > 0) {
OS::get_singleton()->print(", ");
}
OS::get_singleton()->print("'%s'", AudioDriverManager::get_driver(i)->get_name());
}
OS::get_singleton()->print("].\n");
OS::get_singleton()->print(" --display-driver <driver> Display driver (and rendering driver) [");
for (int i = 0; i < DisplayServer::get_create_function_count(); i++) {
if (i > 0) {
OS::get_singleton()->print(", ");
}
OS::get_singleton()->print("'%s' (", DisplayServer::get_create_function_name(i));
Vector<String> rd = DisplayServer::get_create_function_rendering_drivers(i);
for (int j = 0; j < rd.size(); j++) {
if (j > 0) {
OS::get_singleton()->print(", ");
}
OS::get_singleton()->print("'%s'", rd[j].utf8().get_data());
}
OS::get_singleton()->print(")");
}
OS::get_singleton()->print("].\n");
OS::get_singleton()->print(" --audio-output-latency <ms> Override audio output latency in milliseconds (default is 15 ms).\n");
OS::get_singleton()->print(" Lower values make sound playback more reactive but increase CPU usage, and may result in audio cracking if the CPU can't keep up.\n");
OS::get_singleton()->print(" --rendering-method <renderer> Renderer name. Requires driver support.\n");
OS::get_singleton()->print(" --rendering-driver <driver> Rendering driver (depends on display driver).\n");
OS::get_singleton()->print(" --gpu-index <device_index> Use a specific GPU (run with --verbose to get available device list).\n");
OS::get_singleton()->print(" --text-driver <driver> Text driver (Fonts, BiDi, shaping).\n");
OS::get_singleton()->print(" --tablet-driver <driver> Pen tablet input driver.\n");
OS::get_singleton()->print(" --headless Enable headless mode (--display-driver headless --audio-driver Dummy). Useful for servers and with --script.\n");
OS::get_singleton()->print(" --write-movie <file> Writes a video to the specified path (usually with .avi or .png extension).\n");
OS::get_singleton()->print(" --fixed-fps is forced when enabled, but it can be used to change movie FPS.\n");
OS::get_singleton()->print(" --disable-vsync can speed up movie writing but makes interaction more difficult.\n");
OS::get_singleton()->print(" --quit-after can be used to specify the number of frames to write.\n");
OS::get_singleton()->print("\n");
OS::get_singleton()->print("Display options:\n");
OS::get_singleton()->print(" -f, --fullscreen Request fullscreen mode.\n");
OS::get_singleton()->print(" -m, --maximized Request a maximized window.\n");
OS::get_singleton()->print(" -w, --windowed Request windowed mode.\n");
OS::get_singleton()->print(" -t, --always-on-top Request an always-on-top window.\n");
OS::get_singleton()->print(" --resolution <W>x<H> Request window resolution.\n");
OS::get_singleton()->print(" --position <X>,<Y> Request window position (if set, screen argument is ignored).\n");
OS::get_singleton()->print(" --screen <N> Request window screen.\n");
OS::get_singleton()->print(" --single-window Use a single window (no separate subwindows).\n");
OS::get_singleton()->print(" --xr-mode <mode> Select XR (Extended Reality) mode ['default', 'off', 'on'].\n");
OS::get_singleton()->print("\n");
OS::get_singleton()->print("Debug options:\n");
OS::get_singleton()->print(" -d, --debug Debug (local stdout debugger).\n");
OS::get_singleton()->print(" -b, --breakpoints Breakpoint list as source::line comma-separated pairs, no spaces (use %%20 instead).\n");
OS::get_singleton()->print(" --profiling Enable profiling in the script debugger.\n");
OS::get_singleton()->print(" --gpu-profile Show a GPU profile of the tasks that took the most time during frame rendering.\n");
OS::get_singleton()->print(" --gpu-validation Enable graphics API validation layers for debugging.\n");
#if DEBUG_ENABLED
OS::get_singleton()->print(" --gpu-abort Abort on graphics API usage errors (usually validation layer errors). May help see the problem if your system freezes.\n");
#endif
OS::get_singleton()->print(" --generate-spirv-debug-info Generate SPIR-V debug information. This allows source-level shader debugging with RenderDoc.\n");
OS::get_singleton()->print(" --remote-debug <uri> Remote debug (<protocol>://<host/IP>[:<port>], e.g. tcp://127.0.0.1:6007).\n");
OS::get_singleton()->print(" --single-threaded-scene Scene tree runs in single-threaded mode. Sub-thread groups are disabled and run on the main thread.\n");
#if defined(DEBUG_ENABLED)
OS::get_singleton()->print(" --debug-collisions Show collision shapes when running the scene.\n");
OS::get_singleton()->print(" --debug-paths Show path lines when running the scene.\n");
OS::get_singleton()->print(" --debug-navigation Show navigation polygons when running the scene.\n");
OS::get_singleton()->print(" --debug-avoidance Show navigation avoidance debug visuals when running the scene.\n");
OS::get_singleton()->print(" --debug-stringnames Print all StringName allocations to stdout when the engine quits.\n");
OS::get_singleton()->print(" --debug-canvas-item-redraw Display a rectangle each time a canvas item requests a redraw (useful to troubleshoot low processor mode).\n");
#endif
OS::get_singleton()->print(" --max-fps <fps> Set a maximum number of frames per second rendered (can be used to limit power usage). A value of 0 results in unlimited framerate.\n");
OS::get_singleton()->print(" --frame-delay <ms> Simulate high CPU load (delay each frame by <ms> milliseconds). Do not use as a FPS limiter; use --max-fps instead.\n");
OS::get_singleton()->print(" --time-scale <scale> Force time scale (higher values are faster, 1.0 is normal speed).\n");
OS::get_singleton()->print(" --disable-vsync Forces disabling of vertical synchronization, even if enabled in the project settings. Does not override driver-level V-Sync enforcement.\n");
OS::get_singleton()->print(" --disable-render-loop Disable render loop so rendering only occurs when called explicitly from script.\n");
OS::get_singleton()->print(" --disable-crash-handler Disable crash handler when supported by the platform code.\n");
OS::get_singleton()->print(" --fixed-fps <fps> Force a fixed number of frames per second. This setting disables real-time synchronization.\n");
OS::get_singleton()->print(" --delta-smoothing <enable> Enable or disable frame delta smoothing ['enable', 'disable'].\n");
OS::get_singleton()->print(" --print-fps Print the frames per second to the stdout.\n");
OS::get_singleton()->print("\n");
OS::get_singleton()->print("Standalone tools:\n");
OS::get_singleton()->print(" -s, --script <script> Run a script.\n");
OS::get_singleton()->print(" --main-loop <main_loop_name> Run a MainLoop specified by its global class name.\n");
OS::get_singleton()->print(" --check-only Only parse for errors and quit (use with --script).\n");
#ifdef TOOLS_ENABLED
OS::get_singleton()->print(" --export-release <preset> <path> Export the project in release mode using the given preset and output path. The preset name should match one defined in export_presets.cfg.\n");
OS::get_singleton()->print(" <path> should be absolute or relative to the project directory, and include the filename for the binary (e.g. 'builds/game.exe').\n");
OS::get_singleton()->print(" The target directory must exist.\n");
OS::get_singleton()->print(" --export-debug <preset> <path> Export the project in debug mode using the given preset and output path. See --export-release description for other considerations.\n");
OS::get_singleton()->print(" --export-pack <preset> <path> Export the project data only using the given preset and output path. The <path> extension determines whether it will be in PCK or ZIP format.\n");
OS::get_singleton()->print(" --install-android-build-template Install the android build template. Used in conjunction with --export-release or --export-debug.\n");
#ifndef DISABLE_DEPRECATED
OS::get_singleton()->print(" --convert-3to4 [<max_file_kb>] [<max_line_size>]\n");
OS::get_singleton()->print(" Converts project from Godot 3.x to Godot 4.x.\n");
OS::get_singleton()->print(" --validate-conversion-3to4 [<max_file_kb>] [<max_line_size>]\n");
OS::get_singleton()->print(" Shows what elements will be renamed when converting project from Godot 3.x to Godot 4.x.\n");
#endif // DISABLE_DEPRECATED
OS::get_singleton()->print(" --doctool [<path>] Dump the engine API reference to the given <path> (defaults to current dir) in XML format, merging if existing files are found.\n");
OS::get_singleton()->print(" --no-docbase Disallow dumping the base types (used with --doctool).\n");
#ifdef MODULE_GDSCRIPT_ENABLED
OS::get_singleton()->print(" --gdscript-docs <path> Rather than dumping the engine API, generate API reference from the inline documentation in the GDScript files found in <path> (used with --doctool).\n");
#endif
OS::get_singleton()->print(" --build-solutions Build the scripting solutions (e.g. for C# projects). Implies --editor and requires a valid project to edit.\n");
OS::get_singleton()->print(" --dump-gdextension-interface Generate GDExtension header file 'gdextension_interface.h' in the current folder. This file is the base file required to implement a GDExtension.\n");
OS::get_singleton()->print(" --dump-extension-api Generate JSON dump of the Godot API for GDExtension bindings named 'extension_api.json' in the current folder.\n");
OS::get_singleton()->print(" --dump-extension-api-with-docs Generate JSON dump of the Godot API like the previous option, but including documentation.\n");
OS::get_singleton()->print(" --validate-extension-api <path> Validate an extension API file dumped (with one of the two previous options) from a previous version of the engine to ensure API compatibility. If incompatibilities or errors are detected, the return code will be non zero.\n");
OS::get_singleton()->print(" --benchmark Benchmark the run time and print it to console.\n");
OS::get_singleton()->print(" --benchmark-file <path> Benchmark the run time and save it to a given file in JSON format. The path should be absolute.\n");
#ifdef TESTS_ENABLED
OS::get_singleton()->print(" --test [--help] Run unit tests. Use --test --help for more information.\n");
#endif
#endif
OS::get_singleton()->print("\n");
}
#ifdef TESTS_ENABLED
// The order is the same as in `Main::setup()`, only core and some editor types
// are initialized here. This also combines `Main::setup2()` initialization.
Error Main::test_setup() {
Thread::make_main_thread();
set_current_thread_safe_for_nodes(true);
OS::get_singleton()->initialize();
engine = memnew(Engine);
register_core_types();
register_core_driver_types();
packed_data = memnew(PackedData);
globals = memnew(ProjectSettings);
register_core_settings(); // Here globals are present.
translation_server = memnew(TranslationServer);
tsman = memnew(TextServerManager);
if (tsman) {
Ref<TextServerDummy> ts;
ts.instantiate();
tsman->add_interface(ts);
}
physics_server_3d_manager = memnew(PhysicsServer3DManager);
physics_server_2d_manager = memnew(PhysicsServer2DManager);
// From `Main::setup2()`.
initialize_modules(MODULE_INITIALIZATION_LEVEL_CORE);
register_core_extensions();
register_core_singletons();
/** INITIALIZE SERVERS **/
register_server_types();
XRServer::set_xr_mode(XRServer::XRMODE_OFF); // Skip in tests.
initialize_modules(MODULE_INITIALIZATION_LEVEL_SERVERS);
GDExtensionManager::get_singleton()->initialize_extensions(GDExtension::INITIALIZATION_LEVEL_SERVERS);
translation_server->setup(); //register translations, load them, etc.
if (!locale.is_empty()) {
translation_server->set_locale(locale);
}
translation_server->load_translations();
ResourceLoader::load_translation_remaps(); //load remaps for resources
ResourceLoader::load_path_remaps();
// Initialize ThemeDB early so that scene types can register their theme items.
// Default theme will be initialized later, after modules and ScriptServer are ready.
initialize_theme_db();
register_scene_types();
register_driver_types();
register_scene_singletons();
initialize_modules(MODULE_INITIALIZATION_LEVEL_SCENE);
GDExtensionManager::get_singleton()->initialize_extensions(GDExtension::INITIALIZATION_LEVEL_SCENE);
#ifdef TOOLS_ENABLED
ClassDB::set_current_api(ClassDB::API_EDITOR);
register_editor_types();
initialize_modules(MODULE_INITIALIZATION_LEVEL_EDITOR);
GDExtensionManager::get_singleton()->initialize_extensions(GDExtension::INITIALIZATION_LEVEL_EDITOR);
ClassDB::set_current_api(ClassDB::API_CORE);
#endif
register_platform_apis();
// Theme needs modules to be initialized so that sub-resources can be loaded.
theme_db->initialize_theme_noproject();
initialize_navigation_server();
ERR_FAIL_COND_V(TextServerManager::get_singleton()->get_interface_count() == 0, ERR_CANT_CREATE);
/* Use one with the most features available. */
int max_features = 0;
for (int i = 0; i < TextServerManager::get_singleton()->get_interface_count(); i++) {
uint32_t features = TextServerManager::get_singleton()->get_interface(i)->get_features();
int feature_number = 0;
while (features) {
feature_number += features & 1;
features >>= 1;
}
if (feature_number >= max_features) {
max_features = feature_number;
text_driver_idx = i;
}
}
if (text_driver_idx >= 0) {
Ref<TextServer> ts = TextServerManager::get_singleton()->get_interface(text_driver_idx);
TextServerManager::get_singleton()->set_primary_interface(ts);
if (ts->has_feature(TextServer::FEATURE_USE_SUPPORT_DATA)) {
ts->load_support_data("res://" + ts->get_support_data_filename());
}
} else {
ERR_FAIL_V_MSG(ERR_CANT_CREATE, "TextServer: Unable to create TextServer interface.");
}
ClassDB::set_current_api(ClassDB::API_NONE);
_start_success = true;
return OK;
}
// The order is the same as in `Main::cleanup()`.
void Main::test_cleanup() {
ERR_FAIL_COND(!_start_success);
for (int i = 0; i < TextServerManager::get_singleton()->get_interface_count(); i++) {
TextServerManager::get_singleton()->get_interface(i)->cleanup();
}
ResourceLoader::remove_custom_loaders();
ResourceSaver::remove_custom_savers();
#ifdef TOOLS_ENABLED
GDExtensionManager::get_singleton()->deinitialize_extensions(GDExtension::INITIALIZATION_LEVEL_EDITOR);
uninitialize_modules(MODULE_INITIALIZATION_LEVEL_EDITOR);
unregister_editor_types();
#endif
GDExtensionManager::get_singleton()->deinitialize_extensions(GDExtension::INITIALIZATION_LEVEL_SCENE);
uninitialize_modules(MODULE_INITIALIZATION_LEVEL_SCENE);
unregister_platform_apis();
unregister_driver_types();
unregister_scene_types();
finalize_theme_db();
finalize_navigation_server();
GDExtensionManager::get_singleton()->deinitialize_extensions(GDExtension::INITIALIZATION_LEVEL_SERVERS);
uninitialize_modules(MODULE_INITIALIZATION_LEVEL_SERVERS);
unregister_server_types();
EngineDebugger::deinitialize();
OS::get_singleton()->finalize();
if (packed_data) {
memdelete(packed_data);
}
if (translation_server) {
memdelete(translation_server);
}
if (tsman) {
memdelete(tsman);
}
if (physics_server_3d_manager) {
memdelete(physics_server_3d_manager);
}
if (physics_server_2d_manager) {
memdelete(physics_server_2d_manager);
}
if (globals) {
memdelete(globals);
}
if (engine) {
memdelete(engine);
}
unregister_core_driver_types();
unregister_core_extensions();
uninitialize_modules(MODULE_INITIALIZATION_LEVEL_CORE);
unregister_core_types();
OS::get_singleton()->finalize_core();
}
#endif
int Main::test_entrypoint(int argc, char *argv[], bool &tests_need_run) {
#ifdef TESTS_ENABLED
for (int x = 0; x < argc; x++) {
if ((strncmp(argv[x], "--test", 6) == 0) && (strlen(argv[x]) == 6)) {
tests_need_run = true;
// TODO: need to come up with different test contexts.
// Not every test requires high-level functionality like `ClassDB`.
test_setup();
int status = test_main(argc, argv);
test_cleanup();
return status;
}
}
#endif
tests_need_run = false;
return 0;
}
/* Engine initialization
*
* Consists of several methods that are called by each platform's specific main(argc, argv).
* To fully understand engine init, one should therefore start from the platform's main and
* see how it calls into the Main class' methods.
*
* The initialization is typically done in 3 steps (with the setup2 step triggered either
* automatically by setup, or manually in the platform's main).
*
* - setup(execpath, argc, argv, p_second_phase) is the main entry point for all platforms,
* responsible for the initialization of all low level singletons and core types, and parsing
* command line arguments to configure things accordingly.
* If p_second_phase is true, it will chain into setup2() (default behavior). This is
* disabled on some platforms (Android, iOS) which trigger the second step in their own time.
*
* - setup2(p_main_tid_override) registers high level servers and singletons, displays the
* boot splash, then registers higher level types (scene, editor, etc.).
*
* - start() is the last step and that's where command line tools can run, or the main loop
* can be created eventually and the project settings put into action. That's also where
* the editor node is created, if relevant.
* start() does it own argument parsing for a subset of the command line arguments described
* in help, it's a bit messy and should be globalized with the setup() parsing somehow.
*/
Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_phase) {
Thread::make_main_thread();
set_current_thread_safe_for_nodes(true);
OS::get_singleton()->initialize();
// Benchmark tracking must be done after `OS::get_singleton()->initialize()` as on some
// platforms, it's used to set up the time utilities.
OS::get_singleton()->benchmark_begin_measure("Startup", "Total");
OS::get_singleton()->benchmark_begin_measure("Startup", "Setup");
engine = memnew(Engine);
MAIN_PRINT("Main: Initialize CORE");
OS::get_singleton()->benchmark_begin_measure("Startup", "Core");
register_core_types();
register_core_driver_types();
MAIN_PRINT("Main: Initialize Globals");
input_map = memnew(InputMap);
time_singleton = memnew(Time);
globals = memnew(ProjectSettings);
register_core_settings(); //here globals are present
translation_server = memnew(TranslationServer);
performance = memnew(Performance);
GDREGISTER_CLASS(Performance);
engine->add_singleton(Engine::Singleton("Performance", performance));
// Only flush stdout in debug builds by default, as spamming `print()` will
// decrease performance if this is enabled.
GLOBAL_DEF_RST("application/run/flush_stdout_on_print", false);
GLOBAL_DEF_RST("application/run/flush_stdout_on_print.debug", true);
MAIN_PRINT("Main: Parse CMDLine");
/* argument parsing and main creation */
List<String> args;
List<String> main_args;
List<String> user_args;
bool adding_user_args = false;
List<String> platform_args = OS::get_singleton()->get_cmdline_platform_args();
// Add command line arguments.
for (int i = 0; i < argc; i++) {
args.push_back(String::utf8(argv[i]));
}
// Add arguments received from macOS LaunchService (URL schemas, file associations).
for (const String &arg : platform_args) {
args.push_back(arg);
}
List<String>::Element *I = args.front();
while (I) {
I->get() = unescape_cmdline(I->get().strip_edges());
I = I->next();
}
String display_driver = "";
String audio_driver = "";
String project_path = ".";
bool upwards = false;
String debug_uri = "";
bool skip_breakpoints = false;
String main_pack;
bool quiet_stdout = false;
int rtm = -1;
String remotefs;
String remotefs_pass;
Vector<String> breakpoints;
bool use_custom_res = true;
bool force_res = false;
bool delta_smoothing_override = false;
String default_renderer = "";
String default_renderer_mobile = "";
String renderer_hints = "";
packed_data = PackedData::get_singleton();
if (!packed_data) {
packed_data = memnew(PackedData);
}
#ifdef MINIZIP_ENABLED
//XXX: always get_singleton() == 0x0
zip_packed_data = ZipArchive::get_singleton();
//TODO: remove this temporary fix
if (!zip_packed_data) {
zip_packed_data = memnew(ZipArchive);
}
packed_data->add_pack_source(zip_packed_data);
#endif
// Default exit code, can be modified for certain errors.
Error exit_code = ERR_INVALID_PARAMETER;
I = args.front();
while (I) {
#ifdef MACOS_ENABLED
// Ignore the process serial number argument passed by macOS Gatekeeper.
// Otherwise, Godot would try to open a non-existent project on the first start and abort.
if (I->get().begins_with("-psn_")) {
I = I->next();
continue;
}
#endif
List<String>::Element *N = I->next();
#ifdef TOOLS_ENABLED
if (I->get() == "--debug" ||
I->get() == "--verbose" ||
I->get() == "--disable-crash-handler") {
forwardable_cli_arguments[CLI_SCOPE_TOOL].push_back(I->get());
forwardable_cli_arguments[CLI_SCOPE_PROJECT].push_back(I->get());
}
if (I->get() == "--single-window") {
forwardable_cli_arguments[CLI_SCOPE_TOOL].push_back(I->get());
}
if (I->get() == "--audio-driver" ||
I->get() == "--display-driver" ||
I->get() == "--rendering-method" ||
I->get() == "--rendering-driver") {
if (I->next()) {
forwardable_cli_arguments[CLI_SCOPE_TOOL].push_back(I->get());
forwardable_cli_arguments[CLI_SCOPE_TOOL].push_back(I->next()->get());
}
}
// If gpu is specified, both editor and debug instances started from editor will inherit.
if (I->get() == "--gpu-index") {
if (I->next()) {
forwardable_cli_arguments[CLI_SCOPE_TOOL].push_back(I->get());
forwardable_cli_arguments[CLI_SCOPE_TOOL].push_back(I->next()->get());
forwardable_cli_arguments[CLI_SCOPE_PROJECT].push_back(I->get());
forwardable_cli_arguments[CLI_SCOPE_PROJECT].push_back(I->next()->get());
}
}
#endif
if (adding_user_args) {
user_args.push_back(I->get());
} else if (I->get() == "-h" || I->get() == "--help" || I->get() == "/?") { // display help
show_help = true;
exit_code = ERR_HELP; // Hack to force an early exit in `main()` with a success code.
goto error;
} else if (I->get() == "--version") {
print_line(get_full_version_string());
exit_code = ERR_HELP; // Hack to force an early exit in `main()` with a success code.
goto error;
} else if (I->get() == "-v" || I->get() == "--verbose") { // verbose output
OS::get_singleton()->_verbose_stdout = true;
} else if (I->get() == "-q" || I->get() == "--quiet") { // quieter output
quiet_stdout = true;
} else if (I->get() == "--audio-driver") { // audio driver
if (I->next()) {
audio_driver = I->next()->get();
bool found = false;
for (int i = 0; i < AudioDriverManager::get_driver_count(); i++) {
if (audio_driver == AudioDriverManager::get_driver(i)->get_name()) {
found = true;
}
}
if (!found) {
OS::get_singleton()->print("Unknown audio driver '%s', aborting.\nValid options are ",
audio_driver.utf8().get_data());
for (int i = 0; i < AudioDriverManager::get_driver_count(); i++) {
if (i == AudioDriverManager::get_driver_count() - 1) {
OS::get_singleton()->print(" and ");
} else if (i != 0) {
OS::get_singleton()->print(", ");
}
OS::get_singleton()->print("'%s'", AudioDriverManager::get_driver(i)->get_name());
}
OS::get_singleton()->print(".\n");
goto error;
}
N = I->next()->next();
} else {
OS::get_singleton()->print("Missing audio driver argument, aborting.\n");
goto error;
}
} else if (I->get() == "--audio-output-latency") {
if (I->next()) {
audio_output_latency = I->next()->get().to_int();
N = I->next()->next();
} else {
OS::get_singleton()->print("Missing audio output latency argument, aborting.\n");
goto error;
}
} else if (I->get() == "--text-driver") {
if (I->next()) {
text_driver = I->next()->get();
N = I->next()->next();
} else {
OS::get_singleton()->print("Missing text driver argument, aborting.\n");
goto error;
}
} else if (I->get() == "--display-driver") { // force video driver
if (I->next()) {
display_driver = I->next()->get();
bool found = false;
for (int i = 0; i < DisplayServer::get_create_function_count(); i++) {
if (display_driver == DisplayServer::get_create_function_name(i)) {
found = true;
}
}
if (!found) {
OS::get_singleton()->print("Unknown display driver '%s', aborting.\nValid options are ",
display_driver.utf8().get_data());
for (int i = 0; i < DisplayServer::get_create_function_count(); i++) {
if (i == DisplayServer::get_create_function_count() - 1) {
OS::get_singleton()->print(" and ");