pandemonium_engine/platform/javascript/os_javascript.h
2024-09-07 10:28:39 +02:00

249 lines
9.5 KiB
C++

#ifndef OS_JAVASCRIPT_H
#define OS_JAVASCRIPT_H
/*************************************************************************/
/* os_javascript.h */
/*************************************************************************/
/* This file is part of: */
/* PANDEMONIUM ENGINE */
/* https://github.com/Relintai/pandemonium_engine */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* Copyright (c) 2007-2022 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 "audio_driver_javascript.h"
#include "drivers/unix/os_unix.h"
#include "main/input_default.h"
#include "servers/audio_server.h"
#include "servers/rendering/rasterizer.h"
#include <emscripten/html5.h>
class OS_JavaScript : public OS_Unix {
private:
struct JSTouchEvent {
uint32_t identifier[32] = { 0 };
double coords[64] = { 0 };
};
JSTouchEvent touch_event;
struct JSKeyEvent {
char code[32] = { 0 };
char key[32] = { 0 };
uint8_t modifiers[4] = { 0 };
};
JSKeyEvent key_event;
bool ime_active = false;
bool ime_started = false;
String ime_text;
Vector2 ime_selection;
struct KeyEvent {
bool pressed = false;
bool echo = false;
bool raw = false;
uint32_t keycode = 0;
uint32_t physical_keycode = 0;
uint32_t unicode = 0;
int mod = 0;
};
Vector<KeyEvent> key_event_buffer;
int key_event_pos = 0;
VideoMode video_mode;
bool transparency_enabled;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE webgl_ctx;
InputDefault *input;
CursorShape cursor_shape;
Point2 touches[32];
char canvas_id[256];
bool cursor_inside_canvas;
Point2i last_click_pos;
uint64_t last_click_ms;
int last_click_button_index;
MainLoop *main_loop;
int video_driver_index;
List<AudioDriverJavaScript *> audio_drivers;
RenderingServer *rendering_server;
bool swap_ok_cancel;
bool idb_available;
bool idb_needs_sync;
bool idb_is_syncing;
bool pwa_is_waiting;
Map<int, CharString> utterance_ids;
Array voices;
static void fullscreen_change_callback(int p_fullscreen);
static int mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers);
static void mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers);
static int mouse_wheel_callback(double p_delta_x, double p_delta_y);
static void key_callback(int p_pressed, int p_repeat, int p_modifiers);
static void touch_callback(int p_type, int p_count);
static void gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid);
static void input_text_callback(const char *p_text, int p_cursor);
void process_joypads();
void process_keys();
static void file_access_close_callback(const String &p_file, int p_flags);
static void request_quit_callback();
static void window_blur_callback();
static void drop_files_callback(char **p_filev, int p_filec);
static void send_notification_callback(int p_notification);
static void fs_sync_callback();
static void update_clipboard_callback(const char *p_text);
static void update_pwa_state_callback();
static void ime_callback(int p_type, const char *p_text);
static void _js_utterance_callback(int p_event, int p_id, int p_pos);
static void update_voices_callback(int p_size, const char **p_voice);
protected:
void resume_audio();
virtual int get_current_video_driver() const;
virtual void initialize_core();
virtual Error initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver);
virtual void set_main_loop(MainLoop *p_main_loop);
virtual void delete_main_loop();
virtual void finalize();
virtual bool _check_internal_feature_support(const String &p_feature);
public:
bool check_size_force_redraw();
bool pwa_needs_update() const { return pwa_is_waiting; }
Error pwa_update();
void force_fs_sync();
// Override return type to make writing static callbacks less tedious.
static OS_JavaScript *get_singleton();
virtual bool tts_is_speaking() const;
virtual bool tts_is_paused() const;
virtual Array tts_get_voices() const;
virtual void tts_speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int p_utterance_id = 0, bool p_interrupt = false);
virtual void tts_pause();
virtual void tts_resume();
virtual void tts_stop();
virtual bool has_virtual_keyboard() const;
virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), VirtualKeyboardType p_type = KEYBOARD_TYPE_DEFAULT, int p_max_input_length = -1, int p_cursor_start = -1, int p_cursor_end = -1);
virtual void hide_virtual_keyboard();
virtual bool get_swap_ok_cancel();
virtual void swap_buffers();
virtual void set_video_mode(const VideoMode &p_video_mode, int p_screen = 0);
virtual VideoMode get_video_mode(int p_screen = 0) const;
virtual void get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen = 0) const;
virtual void set_window_size(const Size2);
virtual Size2 get_window_size() const;
virtual void set_window_maximized(bool p_enabled);
virtual bool is_window_maximized() const;
virtual void set_window_fullscreen(bool p_enabled);
virtual bool is_window_fullscreen() const;
virtual Size2 get_screen_size(int p_screen = -1) const;
virtual int get_screen_dpi(int p_screen = -1) const;
virtual float get_screen_scale(int p_screen = -1) const;
virtual float get_screen_max_scale() const;
virtual void set_ime_active(const bool p_active);
virtual void set_ime_position(const Point2 &p_pos);
virtual Point2 get_ime_selection() const;
virtual String get_ime_text() const;
virtual Point2 get_mouse_position() const;
virtual int get_mouse_button_state() const;
virtual void set_cursor_shape(CursorShape p_shape);
virtual CursorShape get_cursor_shape() const;
virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot);
virtual void set_mouse_mode(MouseMode p_mode);
virtual MouseMode get_mouse_mode() const;
virtual bool get_window_per_pixel_transparency_enabled() const;
virtual void set_window_per_pixel_transparency_enabled(bool p_enabled);
virtual bool has_touchscreen_ui_hint() const;
virtual bool is_joy_known(int p_device);
virtual String get_joy_guid(int p_device) const;
virtual int get_video_driver_count() const;
virtual const char *get_video_driver_name(int p_driver) const;
virtual int get_audio_driver_count() const;
virtual const char *get_audio_driver_name(int p_driver) const;
virtual void set_clipboard(const String &p_text);
virtual String get_clipboard() const;
virtual MainLoop *get_main_loop() const;
bool main_loop_iterate();
virtual Error execute(const String &p_path, const List<String> &p_arguments, bool p_blocking = true, ProcessID *r_child_id = NULL, String *r_pipe = NULL, int *r_exitcode = NULL, bool read_stderr = false, Mutex *p_pipe_mutex = NULL, bool p_open_console = false);
virtual Error kill(const ProcessID &p_pid);
virtual int get_process_id() const;
int get_processor_count() const;
String get_unique_id() const;
virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
virtual void set_window_title(const String &p_title);
virtual void set_icon(const Ref<Image> &p_icon);
String get_executable_path() const;
virtual Error shell_open(String p_uri);
virtual String get_name() const;
virtual void add_frame_delay(bool p_can_draw) {}
virtual bool can_draw() const;
virtual void vibrate_handheld(int p_duration_ms);
virtual String get_cache_path() const;
virtual String get_config_path() const;
virtual String get_data_path() const;
virtual String get_user_data_dir() const;
virtual OS::PowerState get_power_state();
virtual int get_power_seconds_left();
virtual int get_power_percent_left();
virtual bool is_userfs_persistent() const;
Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path);
OS_JavaScript();
};
#endif