1 files changed, 273 insertions, 0 deletions
diff --git a/core/config/engine.cpp b/core/config/engine.cpp
new file mode 100644
index 0000000000..dc5b3e25c6
--- /dev/null
+++ b/core/config/engine.cpp
@@ -0,0 +1,273 @@
+/*************************************************************************/
+/*  engine.cpp                                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* 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 "engine.h"
+
+#include "core/authors.gen.h"
+#include "core/config/project_settings.h"
+#include "core/donors.gen.h"
+#include "core/license.gen.h"
+#include "core/version.h"
+#include "core/version_hash.gen.h"
+
+void Engine::set_physics_ticks_per_second(int p_ips) {
+	ERR_FAIL_COND_MSG(p_ips <= 0, "Engine iterations per second must be greater than 0.");
+	ips = p_ips;
+}
+
+int Engine::get_physics_ticks_per_second() const {
+	return ips;
+}
+
+void Engine::set_physics_jitter_fix(double p_threshold) {
+	if (p_threshold < 0) {
+		p_threshold = 0;
+	}
+	physics_jitter_fix = p_threshold;
+}
+
+double Engine::get_physics_jitter_fix() const {
+	return physics_jitter_fix;
+}
+
+void Engine::set_target_fps(int p_fps) {
+	_target_fps = p_fps > 0 ? p_fps : 0;
+}
+
+int Engine::get_target_fps() const {
+	return _target_fps;
+}
+
+uint64_t Engine::get_frames_drawn() {
+	return frames_drawn;
+}
+
+void Engine::set_frame_delay(uint32_t p_msec) {
+	_frame_delay = p_msec;
+}
+
+uint32_t Engine::get_frame_delay() const {
+	return _frame_delay;
+}
+
+void Engine::set_time_scale(double p_scale) {
+	_time_scale = p_scale;
+}
+
+double Engine::get_time_scale() const {
+	return _time_scale;
+}
+
+Dictionary Engine::get_version_info() const {
+	Dictionary dict;
+	dict["major"] = VERSION_MAJOR;
+	dict["minor"] = VERSION_MINOR;
+	dict["patch"] = VERSION_PATCH;
+	dict["hex"] = VERSION_HEX;
+	dict["status"] = VERSION_STATUS;
+	dict["build"] = VERSION_BUILD;
+	dict["year"] = VERSION_YEAR;
+
+	String hash = VERSION_HASH;
+	dict["hash"] = hash.length() == 0 ? String("unknown") : hash;
+
+	String stringver = String(dict["major"]) + "." + String(dict["minor"]);
+	if ((int)dict["patch"] != 0) {
+		stringver += "." + String(dict["patch"]);
+	}
+	stringver += "-" + String(dict["status"]) + " (" + String(dict["build"]) + ")";
+	dict["string"] = stringver;
+
+	return dict;
+}
+
+static Array array_from_info(const char *const *info_list) {
+	Array arr;
+	for (int i = 0; info_list[i] != nullptr; i++) {
+		arr.push_back(String::utf8(info_list[i]));
+	}
+	return arr;
+}
+
+static Array array_from_info_count(const char *const *info_list, int info_count) {
+	Array arr;
+	for (int i = 0; i < info_count; i++) {
+		arr.push_back(String::utf8(info_list[i]));
+	}
+	return arr;
+}
+
+Dictionary Engine::get_author_info() const {
+	Dictionary dict;
+
+	dict["lead_developers"] = array_from_info(AUTHORS_LEAD_DEVELOPERS);
+	dict["project_managers"] = array_from_info(AUTHORS_PROJECT_MANAGERS);
+	dict["founders"] = array_from_info(AUTHORS_FOUNDERS);
+	dict["developers"] = array_from_info(AUTHORS_DEVELOPERS);
+
+	return dict;
+}
+
+Array Engine::get_copyright_info() const {
+	Array components;
+	for (int component_index = 0; component_index < COPYRIGHT_INFO_COUNT; component_index++) {
+		const ComponentCopyright &cp_info = COPYRIGHT_INFO[component_index];
+		Dictionary component_dict;
+		component_dict["name"] = String::utf8(cp_info.name);
+		Array parts;
+		for (int i = 0; i < cp_info.part_count; i++) {
+			const ComponentCopyrightPart &cp_part = cp_info.parts[i];
+			Dictionary part_dict;
+			part_dict["files"] = array_from_info_count(cp_part.files, cp_part.file_count);
+			part_dict["copyright"] = array_from_info_count(cp_part.copyright_statements, cp_part.copyright_count);
+			part_dict["license"] = String::utf8(cp_part.license);
+			parts.push_back(part_dict);
+		}
+		component_dict["parts"] = parts;
+
+		components.push_back(component_dict);
+	}
+	return components;
+}
+
+Dictionary Engine::get_donor_info() const {
+	Dictionary donors;
+	donors["platinum_sponsors"] = array_from_info(DONORS_SPONSOR_PLATINUM);
+	donors["gold_sponsors"] = array_from_info(DONORS_SPONSOR_GOLD);
+	donors["silver_sponsors"] = array_from_info(DONORS_SPONSOR_SILVER);
+	donors["bronze_sponsors"] = array_from_info(DONORS_SPONSOR_BRONZE);
+	donors["mini_sponsors"] = array_from_info(DONORS_SPONSOR_MINI);
+	donors["gold_donors"] = array_from_info(DONORS_GOLD);
+	donors["silver_donors"] = array_from_info(DONORS_SILVER);
+	donors["bronze_donors"] = array_from_info(DONORS_BRONZE);
+	return donors;
+}
+
+Dictionary Engine::get_license_info() const {
+	Dictionary licenses;
+	for (int i = 0; i < LICENSE_COUNT; i++) {
+		licenses[LICENSE_NAMES[i]] = LICENSE_BODIES[i];
+	}
+	return licenses;
+}
+
+String Engine::get_license_text() const {
+	return String(GODOT_LICENSE_TEXT);
+}
+
+bool Engine::is_abort_on_gpu_errors_enabled() const {
+	return abort_on_gpu_errors;
+}
+
+bool Engine::is_validation_layers_enabled() const {
+	return use_validation_layers;
+}
+
+void Engine::set_print_error_messages(bool p_enabled) {
+	_print_error_enabled = p_enabled;
+}
+
+bool Engine::is_printing_error_messages() const {
+	return _print_error_enabled;
+}
+
+void Engine::add_singleton(const Singleton &p_singleton) {
+	ERR_FAIL_COND_MSG(singleton_ptrs.has(p_singleton.name), "Can't register singleton that already exists: " + String(p_singleton.name));
+	singletons.push_back(p_singleton);
+	singleton_ptrs[p_singleton.name] = p_singleton.ptr;
+}
+
+Object *Engine::get_singleton_object(const StringName &p_name) const {
+	const Map<StringName, Object *>::Element *E = singleton_ptrs.find(p_name);
+	ERR_FAIL_COND_V_MSG(!E, nullptr, "Failed to retrieve non-existent singleton '" + String(p_name) + "'.");
+	return E->get();
+}
+
+bool Engine::is_singleton_user_created(const StringName &p_name) const {
+	ERR_FAIL_COND_V(!singleton_ptrs.has(p_name), false);
+
+	for (const Singleton &E : singletons) {
+		if (E.name == p_name && E.user_created) {
+			return true;
+		}
+	}
+
+	return false;
+}
+void Engine::remove_singleton(const StringName &p_name) {
+	ERR_FAIL_COND(!singleton_ptrs.has(p_name));
+
+	for (List<Singleton>::Element *E = singletons.front(); E; E = E->next()) {
+		if (E->get().name == p_name) {
+			singletons.erase(E);
+			singleton_ptrs.erase(p_name);
+			return;
+		}
+	}
+}
+
+bool Engine::has_singleton(const StringName &p_name) const {
+	return singleton_ptrs.has(p_name);
+}
+
+void Engine::get_singletons(List<Singleton> *p_singletons) {
+	for (const Singleton &E : singletons) {
+		p_singletons->push_back(E);
+	}
+}
+
+void Engine::set_shader_cache_path(const String &p_path) {
+	shader_cache_path = p_path;
+}
+String Engine::get_shader_cache_path() const {
+	return shader_cache_path;
+}
+
+Engine *Engine::singleton = nullptr;
+
+Engine *Engine::get_singleton() {
+	return singleton;
+}
+
+Engine::Engine() {
+	singleton = this;
+}
+
+Engine::Singleton::Singleton(const StringName &p_name, Object *p_ptr, const StringName &p_class_name) :
+		name(p_name),
+		ptr(p_ptr),
+		class_name(p_class_name) {
+#ifdef DEBUG_ENABLED
+	RefCounted *rc = Object::cast_to<RefCounted>(p_ptr);
+	if (rc && !rc->is_referenced()) {
+		WARN_PRINT("You must use Ref<> to ensure the lifetime of a RefCounted object intended to be used as a singleton.");
+	}
+#endif
+}