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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/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.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_server.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/property_list_helper.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_3d.h"
#include "servers/navigation_server_3d_dummy.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"
// 2D
#include "servers/navigation_server_2d.h"
#include "servers/navigation_server_2d_dummy.h"
#include "servers/physics_server_2d.h"
#include "servers/physics_server_2d_dummy.h"
#ifndef _3D_DISABLED
#include "servers/physics_server_3d.h"
#include "servers/physics_server_3d_dummy.h"
#include "servers/xr_server.h"
#endif // _3D_DISABLED
#ifdef TESTS_ENABLED
#include "tests/test_main.h"
#endif
#ifdef TOOLS_ENABLED
#include "editor/debugger/debug_adapter/debug_adapter_server.h"
#include "editor/debugger/editor_debugger_node.h"
#include "editor/doc_data_class_path.gen.h"
#include "editor/doc_tools.h"
#include "editor/editor_file_system.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"
#if defined(TOOLS_ENABLED) && !defined(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
#if defined(STEAMAPI_ENABLED)
#include "main/steam_tracker.h"
#endif
#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;
#ifdef MINIZIP_ENABLED
static ZipArchive *zip_packed_data = nullptr;
#endif
static MessageQueue *message_queue = nullptr;
#if defined(STEAMAPI_ENABLED)
static SteamTracker *steam_tracker = nullptr;
#endif
// Initialized in setup2()
static AudioServer *audio_server = nullptr;
static CameraServer *camera_server = nullptr;
static DisplayServer *display_server = nullptr;
static RenderingServer *rendering_server = nullptr;
static TextServerManager *tsman = nullptr;
static ThemeDB *theme_db = nullptr;
static NavigationServer2D *navigation_server_2d = nullptr;
static PhysicsServer2DManager *physics_server_2d_manager = nullptr;
static PhysicsServer2D *physics_server_2d = nullptr;
static NavigationServer3D *navigation_server_3d = nullptr;
#ifndef _3D_DISABLED
static PhysicsServer3DManager *physics_server_3d_manager = nullptr;
static PhysicsServer3D *physics_server_3d = nullptr;
static XRServer *xr_server = nullptr;
#endif // _3D_DISABLED
// We error out if setup2() doesn't turn this true
static bool _start_success = false;
// Drivers
String display_driver = "";
String tablet_driver = "";
String text_driver = "";
String rendering_driver = "";
String rendering_method = "";
static int text_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 String log_file;
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;
static bool wait_for_import = false;
static bool restore_editor_window_layout = true;
#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 editor_pseudolocalization = false;
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");
// The length of the longest column in the command-line help we should align to
// (excluding the 2-space left and right margins).
// Currently, this is `--export-release <preset> <path>`.
static const int OPTION_COLUMN_LENGTH = 32;
/* 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() {
#ifndef _3D_DISABLED
/// 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();
}
// Fall back to dummy if no default server has been registered.
if (!physics_server_3d) {
WARN_PRINT(vformat("Falling back to dummy PhysicsServer3D; 3D physics functionality will be disabled. If this is intended, set the %s project setting to Dummy.", PhysicsServer3DManager::setting_property_name));
physics_server_3d = memnew(PhysicsServer3DDummy);
}
// Should be impossible, but make sure it's not null.
ERR_FAIL_NULL_MSG(physics_server_3d, "Failed to initialize PhysicsServer3D.");
physics_server_3d->init();
#endif // _3D_DISABLED
// 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();
}
// Fall back to dummy if no default server has been registered.
if (!physics_server_2d) {
WARN_PRINT(vformat("Falling back to dummy PhysicsServer2D; 2D physics functionality will be disabled. If this is intended, set the %s project setting to Dummy.", PhysicsServer2DManager::setting_property_name));
physics_server_2d = memnew(PhysicsServer2DDummy);
}
// Should be impossible, but make sure it's not null.
ERR_FAIL_NULL_MSG(physics_server_2d, "Failed to initialize PhysicsServer2D.");
physics_server_2d->init();
}
void finalize_physics() {
#ifndef _3D_DISABLED
physics_server_3d->finish();
memdelete(physics_server_3d);
#endif // _3D_DISABLED
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) {
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) {
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_header(bool p_rich) {
if (VERSION_TIMESTAMP > 0) {
// Version timestamp available.
if (p_rich) {
Engine::get_singleton()->print_header_rich("\u001b[38;5;39m" + String(VERSION_NAME) + "\u001b[0m v" + get_full_version_string() + " (" + Time::get_singleton()->get_datetime_string_from_unix_time(VERSION_TIMESTAMP, true) + " UTC) - \u001b[4m" + String(VERSION_WEBSITE));
} else {
Engine::get_singleton()->print_header(String(VERSION_NAME) + " v" + get_full_version_string() + " (" + Time::get_singleton()->get_datetime_string_from_unix_time(VERSION_TIMESTAMP, true) + " UTC) - " + String(VERSION_WEBSITE));
}
} else {
if (p_rich) {
Engine::get_singleton()->print_header_rich("\u001b[38;5;39m" + String(VERSION_NAME) + "\u001b[0m v" + get_full_version_string() + " - \u001b[4m" + String(VERSION_WEBSITE));
} else {
Engine::get_singleton()->print_header(String(VERSION_NAME) + " v" + get_full_version_string() + " - " + String(VERSION_WEBSITE));
}
}
}
/**
* Prints a copyright notice in the command-line help with colored text. A newline is
* automatically added at the end.
*/
void Main::print_help_copyright(const char *p_notice) {
OS::get_singleton()->print("\u001b[90m%s\u001b[0m\n", p_notice);
}
/**
* Prints a title in the command-line help with colored text. A newline is
* automatically added at beginning and at the end.
*/
void Main::print_help_title(const char *p_title) {
OS::get_singleton()->print("\n\u001b[1;93m%s:\u001b[0m\n", p_title);
}
/**
* Returns the option string with required and optional arguments colored separately from the rest of the option.
* This color replacement must be done *after* calling `rpad()` for the length padding to be done correctly.
*/
String Main::format_help_option(const char *p_option) {
return (String(p_option)
.rpad(OPTION_COLUMN_LENGTH)
.replace("[", "\u001b[96m[")
.replace("]", "]\u001b[0m")
.replace("<", "\u001b[95m<")
.replace(">", ">\u001b[0m"));
}
/**
* Prints an option in the command-line help with colored text. No newline is
* added at the end. `p_availability` denotes which build types the argument is
* available in. Support in release export templates implies support in debug
* export templates and editor. Support in debug export templates implies
* support in editor.
*/
void Main::print_help_option(const char *p_option, const char *p_description, CLIOptionAvailability p_availability) {
const bool option_empty = (p_option && !p_option[0]);
if (!option_empty) {
const char *availability_badge = "";
switch (p_availability) {
case CLI_OPTION_AVAILABILITY_EDITOR:
availability_badge = "\u001b[1;91mE";
break;
case CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG:
availability_badge = "\u001b[1;94mD";
break;
case CLI_OPTION_AVAILABILITY_TEMPLATE_RELEASE:
availability_badge = "\u001b[1;92mR";
break;
case CLI_OPTION_AVAILABILITY_HIDDEN:
// Use for multiline option names (but not when the option name is empty).
availability_badge = " ";
break;
}
OS::get_singleton()->print(
" \u001b[92m%s %s\u001b[0m %s",
format_help_option(p_option).utf8().ptr(),
availability_badge,
p_description);
} else {
// Make continuation lines for descriptions faint if the option name is empty.
OS::get_singleton()->print(
" \u001b[92m%s \u001b[0m \u001b[90m%s",
format_help_option(p_option).utf8().ptr(),
p_description);
}
}
void Main::print_help(const char *p_binary) {
print_header(true);
print_help_copyright("Free and open source software under the terms of the MIT license.");
print_help_copyright("(c) 2014-present Godot Engine contributors. (c) 2007-present Juan Linietsky, Ariel Manzur.");
print_help_title("Usage");
OS::get_singleton()->print(" %s \u001b[96m[options] [path to scene or \"project.godot\" file]\u001b[0m\n", p_binary);
#if defined(TOOLS_ENABLED)
print_help_title("Option legend (this build = editor)");
#elif defined(DEBUG_ENABLED)
print_help_title("Option legend (this build = debug export template)");
#else
print_help_title("Option legend (this build = release export template)");
#endif
OS::get_singleton()->print(" \u001b[1;92mR\u001b[0m Available in editor builds, debug export templates and release export templates.\n");
#ifdef DEBUG_ENABLED
OS::get_singleton()->print(" \u001b[1;94mD\u001b[0m Available in editor builds and debug export templates only.\n");
#endif
#ifdef TOOLS_ENABLED
OS::get_singleton()->print(" \u001b[1;91mE\u001b[0m Only available in editor builds.\n");
#endif
print_help_title("General options");
print_help_option("-h, --help", "Display this help message.\n");
print_help_option("--version", "Display the version string.\n");
print_help_option("-v, --verbose", "Use verbose stdout mode.\n");
print_help_option("--quiet", "Quiet mode, silences stdout messages. Errors are still displayed.\n");
print_help_option("--no-header", "Do not print engine version and rendering method header on startup.\n");
print_help_title("Run options");
print_help_option("--, ++", "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
print_help_option("-e, --editor", "Start the editor instead of running the scene.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("-p, --project-manager", "Start the project manager, even if a project is auto-detected.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--debug-server <uri>", "Start the editor debug server (<protocol>://<host/IP>[:port], e.g. tcp://127.0.0.1:6007)\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--dap-port <port>", "Use the specified port for the GDScript Debugger Adaptor protocol. Recommended port range [1024, 49151].\n", CLI_OPTION_AVAILABILITY_EDITOR);
#if defined(MODULE_GDSCRIPT_ENABLED) && !defined(GDSCRIPT_NO_LSP)
print_help_option("--lsp-port <port>", "Use the specified port for the GDScript language server protocol. Recommended port range [1024, 49151].\n", CLI_OPTION_AVAILABILITY_EDITOR);
#endif // MODULE_GDSCRIPT_ENABLED && !GDSCRIPT_NO_LSP
#endif
print_help_option("--quit", "Quit after the first iteration.\n");
print_help_option("--quit-after <int>", "Quit after the given number of iterations. Set to 0 to disable.\n");
print_help_option("-l, --language <locale>", "Use a specific locale (<locale> being a two-letter code).\n");
print_help_option("--path <directory>", "Path to a project (<directory> must contain a \"project.godot\" file).\n");
print_help_option("-u, --upwards", "Scan folders upwards for project.godot file.\n");
print_help_option("--main-pack <file>", "Path to a pack (.pck) file to load.\n");
print_help_option("--render-thread <mode>", "Render thread mode (\"unsafe\", \"safe\", \"separate\").\n");
print_help_option("--remote-fs <address>", "Remote filesystem (<host/IP>[:<port>] address).\n");
print_help_option("--remote-fs-password <password>", "Password for remote filesystem.\n");
print_help_option("--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");
print_help_option("--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");
print_help_option("--audio-output-latency <ms>", "Override audio output latency in milliseconds (default is 15 ms).\n");
print_help_option("", "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");
print_help_option("--rendering-method <renderer>", "Renderer name. Requires driver support.\n");
print_help_option("--rendering-driver <driver>", "Rendering driver (depends on display driver).\n");
print_help_option("--gpu-index <device_index>", "Use a specific GPU (run with --verbose to get a list of available devices).\n");
print_help_option("--text-driver <driver>", "Text driver (used for font rendering, bidirectional support and shaping).\n");
print_help_option("--tablet-driver <driver>", "Pen tablet input driver.\n");
print_help_option("--headless", "Enable headless mode (--display-driver headless --audio-driver Dummy). Useful for servers and with --script.\n");
print_help_option("--log-file <file>", "Write output/error log to the specified path instead of the default location defined by the project.\n");
print_help_option("", "<file> path should be absolute or relative to the project directory.\n");
print_help_option("--write-movie <file>", "Write a video to the specified path (usually with .avi or .png extension).\n");
print_help_option("", "--fixed-fps is forced when enabled, but it can be used to change movie FPS.\n");
print_help_option("", "--disable-vsync can speed up movie writing but makes interaction more difficult.\n");
print_help_option("", "--quit-after can be used to specify the number of frames to write.\n");
print_help_title("Display options");
print_help_option("-f, --fullscreen", "Request fullscreen mode.\n");
print_help_option("-m, --maximized", "Request a maximized window.\n");
print_help_option("-w, --windowed", "Request windowed mode.\n");
print_help_option("-t, --always-on-top", "Request an always-on-top window.\n");
print_help_option("--resolution <W>x<H>", "Request window resolution.\n");
print_help_option("--position <X>,<Y>", "Request window position.\n");
print_help_option("--screen <N>", "Request window screen.\n");
print_help_option("--single-window", "Use a single window (no separate subwindows).\n");
#ifndef _3D_DISABLED
print_help_option("--xr-mode <mode>", "Select XR (Extended Reality) mode [\"default\", \"off\", \"on\"].\n");
#endif
print_help_title("Debug options");
print_help_option("-d, --debug", "Debug (local stdout debugger).\n");
print_help_option("-b, --breakpoints", "Breakpoint list as source::line comma-separated pairs, no spaces (use %%20 instead).\n");
print_help_option("--profiling", "Enable profiling in the script debugger.\n");
print_help_option("--gpu-profile", "Show a GPU profile of the tasks that took the most time during frame rendering.\n");
print_help_option("--gpu-validation", "Enable graphics API validation layers for debugging.\n");
#ifdef DEBUG_ENABLED
print_help_option("--gpu-abort", "Abort on graphics API usage errors (usually validation layer errors). May help see the problem if your system freezes.\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
#endif
print_help_option("--generate-spirv-debug-info", "Generate SPIR-V debug information. This allows source-level shader debugging with RenderDoc.\n");
#if defined(DEBUG_ENABLED) || defined(DEV_ENABLED)
print_help_option("--extra-gpu-memory-tracking", "Enables additional memory tracking (see class reference for `RenderingDevice.get_driver_and_device_memory_report()` and linked methods). Currently only implemented for Vulkan. Enabling this feature may cause crashes on some systems due to buggy drivers or bugs in the Vulkan Loader. See https://github.com/godotengine/godot/issues/95967\n");
print_help_option("--accurate-breadcrumbs", "Force barriers between breadcrumbs. Useful for narrowing down a command causing GPU resets. Currently only implemented for Vulkan.\n");
#endif
print_help_option("--remote-debug <uri>", "Remote debug (<protocol>://<host/IP>[:<port>], e.g. tcp://127.0.0.1:6007).\n");
print_help_option("--single-threaded-scene", "Force scene tree to run in single-threaded mode. Sub-thread groups are disabled and run on the main thread.\n");
#if defined(DEBUG_ENABLED)
print_help_option("--debug-collisions", "Show collision shapes when running the scene.\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
print_help_option("--debug-paths", "Show path lines when running the scene.\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
print_help_option("--debug-navigation", "Show navigation polygons when running the scene.\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
print_help_option("--debug-avoidance", "Show navigation avoidance debug visuals when running the scene.\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
print_help_option("--debug-stringnames", "Print all StringName allocations to stdout when the engine quits.\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
print_help_option("--debug-canvas-item-redraw", "Display a rectangle each time a canvas item requests a redraw (useful to troubleshoot low processor mode).\n", CLI_OPTION_AVAILABILITY_TEMPLATE_DEBUG);
#endif
print_help_option("--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");
print_help_option("--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");
print_help_option("--time-scale <scale>", "Force time scale (higher values are faster, 1.0 is normal speed).\n");
print_help_option("--disable-vsync", "Forces disabling of vertical synchronization, even if enabled in the project settings. Does not override driver-level V-Sync enforcement.\n");
print_help_option("--disable-render-loop", "Disable render loop so rendering only occurs when called explicitly from script.\n");
print_help_option("--disable-crash-handler", "Disable crash handler when supported by the platform code.\n");
print_help_option("--fixed-fps <fps>", "Force a fixed number of frames per second. This setting disables real-time synchronization.\n");
print_help_option("--delta-smoothing <enable>", "Enable or disable frame delta smoothing [\"enable\", \"disable\"].\n");
print_help_option("--print-fps", "Print the frames per second to the stdout.\n");
#ifdef TOOLS_ENABLED
print_help_option("--editor-pseudolocalization", "Enable pseudolocalization for the editor and the project manager.\n");
#endif
print_help_title("Standalone tools");
print_help_option("-s, --script <script>", "Run a script.\n");
print_help_option("--main-loop <main_loop_name>", "Run a MainLoop specified by its global class name.\n");
print_help_option("--check-only", "Only parse for errors and quit (use with --script).\n");
#ifdef TOOLS_ENABLED
print_help_option("--import", "Starts the editor, waits for any resources to be imported, and then quits.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--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", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("", "<path> should be absolute or relative to the project directory, and include the filename for the binary (e.g. \"builds/game.exe\").\n");
print_help_option("", "The target directory must exist.\n");
print_help_option("--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", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--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", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--export-patch <preset> <path>", "Export pack with changed files only. See --export-pack description for other considerations.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--patches <paths>", "List of patches to use with --export-patch. The list is comma-separated.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--install-android-build-template", "Install the Android build template. Used in conjunction with --export-release or --export-debug.\n", CLI_OPTION_AVAILABILITY_EDITOR);
#ifndef DISABLE_DEPRECATED
// Commands are long; split the description to a second line.
print_help_option("--convert-3to4 ", "\n", CLI_OPTION_AVAILABILITY_HIDDEN);
print_help_option(" [max_file_kb] [max_line_size]", "Converts project from Godot 3.x to Godot 4.x.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--validate-conversion-3to4 ", "\n", CLI_OPTION_AVAILABILITY_HIDDEN);
print_help_option(" [max_file_kb] [max_line_size]", "Shows what elements will be renamed when converting project from Godot 3.x to Godot 4.x.\n", CLI_OPTION_AVAILABILITY_EDITOR);
#endif // DISABLE_DEPRECATED
print_help_option("--doctool [path]", "Dump the engine API reference to the given <path> (defaults to current directory) in XML format, merging if existing files are found.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--no-docbase", "Disallow dumping the base types (used with --doctool).\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--gdextension-docs", "Rather than dumping the engine API, generate API reference from all the GDExtensions loaded in the current project (used with --doctool).\n", CLI_OPTION_AVAILABILITY_EDITOR);
#ifdef MODULE_GDSCRIPT_ENABLED
print_help_option("--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", CLI_OPTION_AVAILABILITY_EDITOR);
#endif
print_help_option("--build-solutions", "Build the scripting solutions (e.g. for C# projects). Implies --editor and requires a valid project to edit.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--dump-gdextension-interface", "Generate a GDExtension header file \"gdextension_interface.h\" in the current folder. This file is the base file required to implement a GDExtension.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--dump-extension-api", "Generate a JSON dump of the Godot API for GDExtension bindings named \"extension_api.json\" in the current folder.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--dump-extension-api-with-docs", "Generate JSON dump of the Godot API like the previous option, but including documentation.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--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.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("", "If incompatibilities or errors are detected, the exit code will be non-zero.\n");
print_help_option("--benchmark", "Benchmark the run time and print it to console.\n", CLI_OPTION_AVAILABILITY_EDITOR);
print_help_option("--benchmark-file <path>", "Benchmark the run time and save it to a given file in JSON format. The path should be absolute.\n", CLI_OPTION_AVAILABILITY_EDITOR);
#ifdef TESTS_ENABLED
print_help_option("--test [--help]", "Run unit tests. Use --test --help for more information.\n", CLI_OPTION_AVAILABILITY_EDITOR);
#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);
}
#ifndef _3D_DISABLED
physics_server_3d_manager = memnew(PhysicsServer3DManager);
#endif // _3D_DISABLED
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();
#ifndef _3D_DISABLED
XRServer::set_xr_mode(XRServer::XRMODE_OFF); // Skip in tests.
#endif // _3D_DISABLED
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();
PropertyListHelper::clear_base_helpers();
#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);
}
#ifndef _3D_DISABLED
if (physics_server_3d_manager) {
memdelete(physics_server_3d_manager);
}
#endif // _3D_DISABLED
if (physics_server_2d_manager) {
memdelete(physics_server_2d_manager);
}
if (globals) {
memdelete(globals);
}
unregister_core_driver_types();
unregister_core_extensions();
uninitialize_modules(MODULE_INITIALIZATION_LEVEL_CORE);
if (engine) {
memdelete(engine);
}
unregister_core_types();
OS::get_singleton()->finalize_core();
}
#endif
int Main::test_entrypoint(int argc, char *argv[], bool &tests_need_run) {
for (int x = 0; x < argc; x++) {
if ((strncmp(argv[x], "--test", 6) == 0) && (strlen(argv[x]) == 6)) {
tests_need_run = true;
#ifdef TESTS_ENABLED
// 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;
#else
ERR_PRINT(
"`--test` was specified on the command line, but this Godot binary was compiled without support for unit tests. Aborting.\n"
"To be able to run unit tests, use the `tests=yes` SCons option when compiling Godot.\n");
return EXIT_FAILURE;
#endif
}
}
tests_need_run = false;
return EXIT_SUCCESS;
}
/* 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", "Main::Setup");
engine = memnew(Engine);
MAIN_PRINT("Main: Initialize CORE");
register_core_types();
register_core_driver_types();
MAIN_PRINT("Main: Initialize Globals");
input_map = memnew(InputMap);
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 audio_driver = "";
String project_path = ".";
bool upwards = false;