465 lines
15 KiB
C++
465 lines
15 KiB
C++
/*************************************************************************/
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/* os.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef OS_H
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#define OS_H
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#include "engine.h"
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#include "image.h"
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#include "io/logger.h"
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#include "list.h"
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#include "os/main_loop.h"
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#include "ustring.h"
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#include "vector.h"
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#include <stdarg.h>
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class OS {
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static OS *singleton;
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String _execpath;
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List<String> _cmdline;
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bool _keep_screen_on;
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bool low_processor_usage_mode;
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int low_processor_usage_mode_sleep_usec;
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bool _verbose_stdout;
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String _local_clipboard;
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uint64_t _msec_splash;
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bool _no_window;
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int _exit_code;
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int _orientation;
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bool _allow_hidpi;
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bool _use_vsync;
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char *last_error;
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void *_stack_bottom;
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CompositeLogger *_logger;
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protected:
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void _set_logger(CompositeLogger *p_logger);
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public:
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typedef void (*ImeCallback)(void *p_inp, String p_text, Point2 p_selection);
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enum PowerState {
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POWERSTATE_UNKNOWN, /**< cannot determine power status */
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POWERSTATE_ON_BATTERY, /**< Not plugged in, running on the battery */
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POWERSTATE_NO_BATTERY, /**< Plugged in, no battery available */
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POWERSTATE_CHARGING, /**< Plugged in, charging battery */
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POWERSTATE_CHARGED /**< Plugged in, battery charged */
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};
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enum RenderThreadMode {
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RENDER_THREAD_UNSAFE,
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RENDER_THREAD_SAFE,
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RENDER_SEPARATE_THREAD
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};
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struct VideoMode {
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int width, height;
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bool fullscreen;
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bool resizable;
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bool borderless_window;
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bool maximized;
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bool use_vsync;
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float get_aspect() const { return (float)width / (float)height; }
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VideoMode(int p_width = 1024, int p_height = 600, bool p_fullscreen = false, bool p_resizable = true, bool p_borderless_window = false, bool p_maximized = false, bool p_use_vsync = false) {
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width = p_width;
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height = p_height;
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fullscreen = p_fullscreen;
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resizable = p_resizable;
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borderless_window = p_borderless_window;
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maximized = p_maximized;
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use_vsync = p_use_vsync;
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}
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};
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protected:
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friend class Main;
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RenderThreadMode _render_thread_mode;
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// functions used by main to initialize/deintialize the OS
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virtual int get_video_driver_count() const = 0;
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virtual const char *get_video_driver_name(int p_driver) const = 0;
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virtual int get_audio_driver_count() const = 0;
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virtual const char *get_audio_driver_name(int p_driver) const = 0;
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void add_logger(Logger *p_logger);
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virtual void initialize_core() = 0;
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virtual void initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) = 0;
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virtual void set_main_loop(MainLoop *p_main_loop) = 0;
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virtual void delete_main_loop() = 0;
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virtual void finalize() = 0;
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virtual void finalize_core() = 0;
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virtual void set_cmdline(const char *p_execpath, const List<String> &p_args);
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void _ensure_user_data_dir();
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virtual bool _check_internal_feature_support(const String &p_feature) = 0;
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public:
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typedef int64_t ProcessID;
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static OS *get_singleton();
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void print_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, Logger::ErrorType p_type = Logger::ERR_ERROR);
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void print(const char *p_format, ...);
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void printerr(const char *p_format, ...);
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virtual void alert(const String &p_alert, const String &p_title = "ALERT!") = 0;
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virtual String get_stdin_string(bool p_block = true) = 0;
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virtual void set_last_error(const char *p_error);
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virtual const char *get_last_error() const;
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virtual void clear_last_error();
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enum MouseMode {
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MOUSE_MODE_VISIBLE,
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MOUSE_MODE_HIDDEN,
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MOUSE_MODE_CAPTURED,
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MOUSE_MODE_CONFINED
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};
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virtual void set_mouse_mode(MouseMode p_mode);
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virtual MouseMode get_mouse_mode() const;
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virtual void warp_mouse_position(const Point2 &p_to) {}
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virtual Point2 get_mouse_position() const = 0;
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virtual int get_mouse_button_state() const = 0;
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virtual void set_window_title(const String &p_title) = 0;
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virtual void set_clipboard(const String &p_text);
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virtual String get_clipboard() const;
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virtual void set_video_mode(const VideoMode &p_video_mode, int p_screen = 0) = 0;
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virtual VideoMode get_video_mode(int p_screen = 0) const = 0;
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virtual void get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen = 0) const = 0;
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virtual int get_screen_count() const { return 1; }
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virtual int get_current_screen() const { return 0; }
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virtual void set_current_screen(int p_screen) {}
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virtual Point2 get_screen_position(int p_screen = -1) const { return Point2(); }
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virtual Size2 get_screen_size(int p_screen = -1) const { return get_window_size(); }
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virtual int get_screen_dpi(int p_screen = -1) const { return 72; }
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virtual Point2 get_window_position() const { return Vector2(); }
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virtual void set_window_position(const Point2 &p_position) {}
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virtual Size2 get_window_size() const = 0;
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virtual void set_window_size(const Size2 p_size) {}
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virtual void set_window_fullscreen(bool p_enabled) {}
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virtual bool is_window_fullscreen() const { return true; }
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virtual void set_window_resizable(bool p_enabled) {}
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virtual bool is_window_resizable() const { return false; }
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virtual void set_window_minimized(bool p_enabled) {}
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virtual bool is_window_minimized() const { return false; }
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virtual void set_window_maximized(bool p_enabled) {}
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virtual bool is_window_maximized() const { return true; }
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virtual void request_attention() {}
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virtual void set_borderless_window(bool p_borderless) {}
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virtual bool get_borderless_window() { return 0; }
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virtual void set_ime_position(const Point2 &p_pos) {}
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virtual void set_ime_intermediate_text_callback(ImeCallback p_callback, void *p_inp) {}
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virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false) { return ERR_UNAVAILABLE; }
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virtual Error close_dynamic_library(void *p_library_handle) { return ERR_UNAVAILABLE; }
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virtual Error get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional = false) { return ERR_UNAVAILABLE; }
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virtual void set_keep_screen_on(bool p_enabled);
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virtual bool is_keep_screen_on() const;
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virtual void set_low_processor_usage_mode(bool p_enabled);
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virtual bool is_in_low_processor_usage_mode() const;
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virtual void set_low_processor_usage_mode_sleep_usec(int p_usec);
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virtual int get_low_processor_usage_mode_sleep_usec() const;
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virtual String get_executable_path() const;
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virtual Error execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id = NULL, String *r_pipe = NULL, int *r_exitcode = NULL, bool read_stderr = false) = 0;
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virtual Error kill(const ProcessID &p_pid) = 0;
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virtual int get_process_id() const;
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virtual Error shell_open(String p_uri);
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virtual Error set_cwd(const String &p_cwd);
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virtual bool has_environment(const String &p_var) const = 0;
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virtual String get_environment(const String &p_var) const = 0;
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virtual String get_name() = 0;
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virtual List<String> get_cmdline_args() const { return _cmdline; }
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virtual String get_model_name() const;
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virtual MainLoop *get_main_loop() const = 0;
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virtual void yield();
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enum Weekday {
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DAY_SUNDAY,
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DAY_MONDAY,
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DAY_TUESDAY,
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DAY_WEDNESDAY,
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DAY_THURSDAY,
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DAY_FRIDAY,
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DAY_SATURDAY
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};
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enum Month {
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/// Start at 1 to follow Windows SYSTEMTIME structure
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/// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724950(v=vs.85).aspx
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MONTH_JANUARY = 1,
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MONTH_FEBRUARY,
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MONTH_MARCH,
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MONTH_APRIL,
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MONTH_MAY,
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MONTH_JUNE,
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MONTH_JULY,
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MONTH_AUGUST,
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MONTH_SEPTEMBER,
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MONTH_OCTOBER,
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MONTH_NOVEMBER,
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MONTH_DECEMBER
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};
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struct Date {
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int year;
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Month month;
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int day;
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Weekday weekday;
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bool dst;
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};
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struct Time {
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int hour;
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int min;
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int sec;
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};
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struct TimeZoneInfo {
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int bias;
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String name;
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};
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virtual Date get_date(bool local = false) const = 0;
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virtual Time get_time(bool local = false) const = 0;
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virtual TimeZoneInfo get_time_zone_info() const = 0;
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virtual uint64_t get_unix_time() const;
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virtual uint64_t get_system_time_secs() const;
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virtual void delay_usec(uint32_t p_usec) const = 0;
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virtual uint64_t get_ticks_usec() const = 0;
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uint32_t get_ticks_msec() const;
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uint64_t get_splash_tick_msec() const;
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virtual bool can_draw() const = 0;
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virtual bool is_userfs_persistent() const { return true; }
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bool is_stdout_verbose() const;
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virtual void disable_crash_handler() {}
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virtual bool is_disable_crash_handler() const { return false; }
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enum CursorShape {
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CURSOR_ARROW,
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CURSOR_IBEAM,
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CURSOR_POINTING_HAND,
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CURSOR_CROSS,
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CURSOR_WAIT,
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CURSOR_BUSY,
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CURSOR_DRAG,
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CURSOR_CAN_DROP,
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CURSOR_FORBIDDEN,
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CURSOR_VSIZE,
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CURSOR_HSIZE,
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CURSOR_BDIAGSIZE,
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CURSOR_FDIAGSIZE,
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CURSOR_MOVE,
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CURSOR_VSPLIT,
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CURSOR_HSPLIT,
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CURSOR_HELP,
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CURSOR_MAX
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};
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virtual bool has_virtual_keyboard() const;
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virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2());
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virtual void hide_virtual_keyboard();
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// returns height of the currently shown virtual keyboard (0 if keyboard is hidden)
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virtual int get_virtual_keyboard_height() const;
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virtual void set_cursor_shape(CursorShape p_shape) = 0;
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virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) = 0;
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virtual bool get_swap_ok_cancel() { return false; }
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virtual void dump_memory_to_file(const char *p_file);
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virtual void dump_resources_to_file(const char *p_file);
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virtual void print_resources_in_use(bool p_short = false);
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virtual void print_all_resources(String p_to_file = "");
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virtual int get_static_memory_usage() const;
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virtual int get_static_memory_peak_usage() const;
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virtual int get_dynamic_memory_usage() const;
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virtual int get_free_static_memory() const;
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RenderThreadMode get_render_thread_mode() const { return _render_thread_mode; }
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virtual String get_locale() const;
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String get_safe_dir_name(const String &p_dir_name, bool p_allow_dir_separator = false) const;
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virtual String get_godot_dir_name() const;
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virtual String get_data_path() const;
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virtual String get_config_path() const;
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virtual String get_cache_path() const;
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virtual String get_user_data_dir() const;
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virtual String get_resource_dir() const;
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enum SystemDir {
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SYSTEM_DIR_DESKTOP,
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SYSTEM_DIR_DCIM,
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SYSTEM_DIR_DOCUMENTS,
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SYSTEM_DIR_DOWNLOADS,
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SYSTEM_DIR_MOVIES,
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SYSTEM_DIR_MUSIC,
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SYSTEM_DIR_PICTURES,
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SYSTEM_DIR_RINGTONES,
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};
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virtual String get_system_dir(SystemDir p_dir) const;
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virtual Error move_to_trash(const String &p_path) { return FAILED; }
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virtual void set_no_window_mode(bool p_enable);
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virtual bool is_no_window_mode_enabled() const;
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virtual bool has_touchscreen_ui_hint() const;
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enum ScreenOrientation {
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SCREEN_LANDSCAPE,
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SCREEN_PORTRAIT,
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SCREEN_REVERSE_LANDSCAPE,
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SCREEN_REVERSE_PORTRAIT,
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SCREEN_SENSOR_LANDSCAPE,
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SCREEN_SENSOR_PORTRAIT,
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SCREEN_SENSOR,
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};
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virtual void set_screen_orientation(ScreenOrientation p_orientation);
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ScreenOrientation get_screen_orientation() const;
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virtual void enable_for_stealing_focus(ProcessID pid) {}
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virtual void move_window_to_foreground() {}
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virtual void debug_break();
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virtual void release_rendering_thread();
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virtual void make_rendering_thread();
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virtual void swap_buffers();
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virtual void set_icon(const Ref<Image> &p_icon);
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virtual int get_exit_code() const;
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virtual void set_exit_code(int p_code);
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virtual int get_processor_count() const;
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virtual String get_unique_id() const;
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virtual Error native_video_play(String p_path, float p_volume, String p_audio_track, String p_subtitle_track);
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virtual bool native_video_is_playing() const;
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virtual void native_video_pause();
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virtual void native_video_unpause();
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virtual void native_video_stop();
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virtual bool can_use_threads() const;
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virtual Error dialog_show(String p_title, String p_description, Vector<String> p_buttons, Object *p_obj, String p_callback);
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virtual Error dialog_input_text(String p_title, String p_description, String p_partial, Object *p_obj, String p_callback);
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enum LatinKeyboardVariant {
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LATIN_KEYBOARD_QWERTY,
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LATIN_KEYBOARD_QWERTZ,
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LATIN_KEYBOARD_AZERTY,
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LATIN_KEYBOARD_QZERTY,
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LATIN_KEYBOARD_DVORAK,
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LATIN_KEYBOARD_NEO,
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LATIN_KEYBOARD_COLEMAK,
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};
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virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
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virtual bool is_joy_known(int p_device);
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virtual String get_joy_guid(int p_device) const;
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enum EngineContext {
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CONTEXT_EDITOR,
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CONTEXT_PROJECTMAN,
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};
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virtual void set_context(int p_context);
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//amazing hack because OpenGL needs this to be set on a separate thread..
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//also core can't access servers, so a callback must be used
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typedef void (*SwitchVSyncCallbackInThread)(bool);
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static SwitchVSyncCallbackInThread switch_vsync_function;
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void set_use_vsync(bool p_enable);
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bool is_vsync_enabled() const;
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//real, actual overridable function to switch vsync, which needs to be called from graphics thread if needed
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virtual void _set_use_vsync(bool p_enable) {}
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virtual OS::PowerState get_power_state();
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virtual int get_power_seconds_left();
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virtual int get_power_percent_left();
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virtual void force_process_input(){};
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bool has_feature(const String &p_feature);
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bool is_hidpi_allowed() const { return _allow_hidpi; }
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OS();
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virtual ~OS();
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};
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VARIANT_ENUM_CAST(OS::PowerState);
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#endif
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