mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
1325 lines
39 KiB
C++
1325 lines
39 KiB
C++
/*************************************************************************/
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/* os_javascript.cpp */
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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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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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#include "os_javascript.h"
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#include "core/io/file_access_buffered_fa.h"
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#include "drivers/gles2/rasterizer_gles2.h"
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#include "drivers/gles3/rasterizer_gles3.h"
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#include "drivers/unix/dir_access_unix.h"
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#include "drivers/unix/file_access_unix.h"
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#include "main/main.h"
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#include "servers/visual/visual_server_raster.h"
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#include <emscripten.h>
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#include <png.h>
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#include <stdlib.h>
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#include "dom_keys.inc"
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#define DOM_BUTTON_LEFT 0
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#define DOM_BUTTON_MIDDLE 1
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#define DOM_BUTTON_RIGHT 2
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#define DOM_BUTTON_XBUTTON1 3
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#define DOM_BUTTON_XBUTTON2 4
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// Window (canvas)
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static void focus_canvas() {
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/* clang-format off */
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EM_ASM(
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Module.canvas.focus();
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);
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/* clang-format on */
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}
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static bool is_canvas_focused() {
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/* clang-format off */
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return EM_ASM_INT_V(
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return document.activeElement == Module.canvas;
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);
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/* clang-format on */
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}
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static Point2 correct_canvas_position(int x, int y) {
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int canvas_width;
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int canvas_height;
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emscripten_get_canvas_element_size(NULL, &canvas_width, &canvas_height);
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double element_width;
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double element_height;
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emscripten_get_element_css_size(NULL, &element_width, &element_height);
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x = (int)(canvas_width / element_width * x);
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y = (int)(canvas_height / element_height * y);
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return Point2(x, y);
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}
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static bool cursor_inside_canvas = true;
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EM_BOOL OS_JavaScript::fullscreen_change_callback(int p_event_type, const EmscriptenFullscreenChangeEvent *p_event, void *p_user_data) {
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OS_JavaScript *os = get_singleton();
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// Empty ID is canvas.
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String target_id = String::utf8(p_event->id);
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if (target_id.empty() || target_id == "canvas") {
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// This event property is the only reliable data on
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// browser fullscreen state.
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os->video_mode.fullscreen = p_event->isFullscreen;
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if (os->video_mode.fullscreen) {
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os->entering_fullscreen = false;
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} else {
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// Restoring maximized window now will cause issues,
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// so delay until main_loop_iterate.
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os->just_exited_fullscreen = true;
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}
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}
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return false;
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}
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void OS_JavaScript::set_video_mode(const VideoMode &p_video_mode, int p_screen) {
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video_mode = p_video_mode;
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}
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OS::VideoMode OS_JavaScript::get_video_mode(int p_screen) const {
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return video_mode;
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}
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Size2 OS_JavaScript::get_screen_size(int p_screen) const {
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EmscriptenFullscreenChangeEvent ev;
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EMSCRIPTEN_RESULT result = emscripten_get_fullscreen_status(&ev);
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ERR_FAIL_COND_V(result != EMSCRIPTEN_RESULT_SUCCESS, Size2());
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return Size2(ev.screenWidth, ev.screenHeight);
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}
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void OS_JavaScript::set_window_size(const Size2 p_size) {
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windowed_size = p_size;
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if (video_mode.fullscreen) {
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window_maximized = false;
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set_window_fullscreen(false);
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} else {
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if (window_maximized) {
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emscripten_exit_soft_fullscreen();
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window_maximized = false;
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}
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emscripten_set_canvas_element_size(NULL, p_size.x, p_size.y);
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}
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}
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Size2 OS_JavaScript::get_window_size() const {
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int canvas[2];
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emscripten_get_canvas_element_size(NULL, canvas, canvas + 1);
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return Size2(canvas[0], canvas[1]);
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}
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void OS_JavaScript::set_window_maximized(bool p_enabled) {
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if (video_mode.fullscreen) {
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window_maximized = p_enabled;
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set_window_fullscreen(false);
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} else if (!p_enabled) {
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emscripten_exit_soft_fullscreen();
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window_maximized = false;
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} else if (!window_maximized) {
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// Prevent calling emscripten_enter_soft_fullscreen mutltiple times,
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// this would hide page elements permanently.
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EmscriptenFullscreenStrategy strategy;
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strategy.scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH;
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strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF;
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strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT;
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strategy.canvasResizedCallback = NULL;
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emscripten_enter_soft_fullscreen(NULL, &strategy);
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window_maximized = p_enabled;
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}
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}
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bool OS_JavaScript::is_window_maximized() const {
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return window_maximized;
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}
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void OS_JavaScript::set_window_fullscreen(bool p_enabled) {
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if (p_enabled == video_mode.fullscreen) {
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return;
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}
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// Just request changes here, if successful, logic continues in
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// fullscreen_change_callback.
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if (p_enabled) {
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if (window_maximized) {
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// Soft fullsreen during real fullscreen can cause issues, so exit.
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// This must be called before requesting full screen.
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emscripten_exit_soft_fullscreen();
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}
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EmscriptenFullscreenStrategy strategy;
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strategy.scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH;
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strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF;
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strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT;
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strategy.canvasResizedCallback = NULL;
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EMSCRIPTEN_RESULT result = emscripten_request_fullscreen_strategy(NULL, false, &strategy);
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ERR_FAIL_COND_MSG(result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED, "Enabling fullscreen is only possible from an input callback for the HTML5 platform.");
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ERR_FAIL_COND_MSG(result != EMSCRIPTEN_RESULT_SUCCESS, "Enabling fullscreen is only possible from an input callback for the HTML5 platform.");
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// Not fullscreen yet, so prevent "windowed" canvas dimensions from
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// being overwritten.
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entering_fullscreen = true;
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} else {
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// No logic allowed here, since exiting w/ ESC key won't use this function.
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ERR_FAIL_COND(emscripten_exit_fullscreen() != EMSCRIPTEN_RESULT_SUCCESS);
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}
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}
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bool OS_JavaScript::is_window_fullscreen() const {
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return video_mode.fullscreen;
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}
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void OS_JavaScript::get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen) const {
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Size2 screen = get_screen_size();
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p_list->push_back(OS::VideoMode(screen.width, screen.height, true));
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}
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// Keys
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template <typename T>
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static void dom2godot_mod(T *emscripten_event_ptr, Ref<InputEventWithModifiers> godot_event) {
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godot_event->set_shift(emscripten_event_ptr->shiftKey);
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godot_event->set_alt(emscripten_event_ptr->altKey);
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godot_event->set_control(emscripten_event_ptr->ctrlKey);
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godot_event->set_metakey(emscripten_event_ptr->metaKey);
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}
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static Ref<InputEventKey> setup_key_event(const EmscriptenKeyboardEvent *emscripten_event) {
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Ref<InputEventKey> ev;
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ev.instance();
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ev->set_echo(emscripten_event->repeat);
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dom2godot_mod(emscripten_event, ev);
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ev->set_scancode(dom2godot_scancode(emscripten_event->keyCode));
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String unicode = String::utf8(emscripten_event->key);
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// Check if empty or multi-character (e.g. `CapsLock`).
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if (unicode.length() != 1) {
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// Might be empty as well, but better than nonsense.
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unicode = String::utf8(emscripten_event->charValue);
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}
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if (unicode.length() == 1) {
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ev->set_unicode(unicode[0]);
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}
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return ev;
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}
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EM_BOOL OS_JavaScript::keydown_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
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OS_JavaScript *os = get_singleton();
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Ref<InputEventKey> ev = setup_key_event(p_event);
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ev->set_pressed(true);
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if (ev->get_unicode() == 0 && keycode_has_unicode(ev->get_scancode())) {
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// Defer to keypress event for legacy unicode retrieval.
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os->deferred_key_event = ev;
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// Do not suppress keypress event.
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return false;
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}
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os->input->parse_input_event(ev);
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// Resume audio context after input in case autoplay was denied.
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os->audio_driver_javascript.resume();
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return true;
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}
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EM_BOOL OS_JavaScript::keypress_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
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OS_JavaScript *os = get_singleton();
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os->deferred_key_event->set_unicode(p_event->charCode);
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os->input->parse_input_event(os->deferred_key_event);
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return true;
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}
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EM_BOOL OS_JavaScript::keyup_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data) {
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Ref<InputEventKey> ev = setup_key_event(p_event);
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ev->set_pressed(false);
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get_singleton()->input->parse_input_event(ev);
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return ev->get_scancode() != KEY_UNKNOWN && ev->get_scancode() != 0;
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}
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// Mouse
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Point2 OS_JavaScript::get_mouse_position() const {
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return input->get_mouse_position();
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}
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int OS_JavaScript::get_mouse_button_state() const {
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return input->get_mouse_button_mask();
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}
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EM_BOOL OS_JavaScript::mouse_button_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data) {
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OS_JavaScript *os = get_singleton();
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Ref<InputEventMouseButton> ev;
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ev.instance();
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ev->set_pressed(p_event_type == EMSCRIPTEN_EVENT_MOUSEDOWN);
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ev->set_position(correct_canvas_position(p_event->canvasX, p_event->canvasY));
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ev->set_global_position(ev->get_position());
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dom2godot_mod(p_event, ev);
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switch (p_event->button) {
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case DOM_BUTTON_LEFT: ev->set_button_index(BUTTON_LEFT); break;
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case DOM_BUTTON_MIDDLE: ev->set_button_index(BUTTON_MIDDLE); break;
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case DOM_BUTTON_RIGHT: ev->set_button_index(BUTTON_RIGHT); break;
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case DOM_BUTTON_XBUTTON1: ev->set_button_index(BUTTON_XBUTTON1); break;
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case DOM_BUTTON_XBUTTON2: ev->set_button_index(BUTTON_XBUTTON2); break;
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default: return false;
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}
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if (ev->is_pressed()) {
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uint64_t diff = p_event->timestamp - os->last_click_ms;
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if (ev->get_button_index() == os->last_click_button_index) {
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if (diff < 400 && Point2(os->last_click_pos).distance_to(ev->get_position()) < 5) {
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os->last_click_ms = 0;
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os->last_click_pos = Point2(-100, -100);
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os->last_click_button_index = -1;
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ev->set_doubleclick(true);
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}
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} else {
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os->last_click_button_index = ev->get_button_index();
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}
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if (!ev->is_doubleclick()) {
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os->last_click_ms += diff;
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os->last_click_pos = ev->get_position();
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}
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}
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int mask = os->input->get_mouse_button_mask();
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int button_flag = 1 << (ev->get_button_index() - 1);
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if (ev->is_pressed()) {
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// Since the event is consumed, focus manually. The containing iframe,
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// if exists, may not have focus yet, so focus even if already focused.
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focus_canvas();
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mask |= button_flag;
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} else if (mask & button_flag) {
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mask &= ~button_flag;
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} else {
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// Received release event, but press was outside the canvas, so ignore.
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return false;
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}
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ev->set_button_mask(mask);
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os->input->parse_input_event(ev);
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// Resume audio context after input in case autoplay was denied.
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os->audio_driver_javascript.resume();
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// Prevent multi-click text selection and wheel-click scrolling anchor.
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// Context menu is prevented through contextmenu event.
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return true;
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}
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EM_BOOL OS_JavaScript::mousemove_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data) {
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OS_JavaScript *os = get_singleton();
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int input_mask = os->input->get_mouse_button_mask();
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Point2 pos = correct_canvas_position(p_event->canvasX, p_event->canvasY);
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// For motion outside the canvas, only read mouse movement if dragging
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// started inside the canvas; imitating desktop app behaviour.
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if (!cursor_inside_canvas && !input_mask)
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return false;
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Ref<InputEventMouseMotion> ev;
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ev.instance();
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dom2godot_mod(p_event, ev);
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ev->set_button_mask(input_mask);
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ev->set_position(pos);
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ev->set_global_position(ev->get_position());
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ev->set_relative(Vector2(p_event->movementX, p_event->movementY));
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os->input->set_mouse_position(ev->get_position());
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ev->set_speed(os->input->get_last_mouse_speed());
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os->input->parse_input_event(ev);
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// Don't suppress mouseover/-leave events.
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return false;
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}
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static const char *godot2dom_cursor(OS::CursorShape p_shape) {
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switch (p_shape) {
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case OS::CURSOR_ARROW:
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default:
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return "auto";
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case OS::CURSOR_IBEAM: return "text";
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case OS::CURSOR_POINTING_HAND: return "pointer";
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case OS::CURSOR_CROSS: return "crosshair";
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case OS::CURSOR_WAIT: return "progress";
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case OS::CURSOR_BUSY: return "wait";
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case OS::CURSOR_DRAG: return "grab";
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case OS::CURSOR_CAN_DROP: return "grabbing";
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case OS::CURSOR_FORBIDDEN: return "no-drop";
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case OS::CURSOR_VSIZE: return "ns-resize";
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case OS::CURSOR_HSIZE: return "ew-resize";
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case OS::CURSOR_BDIAGSIZE: return "nesw-resize";
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case OS::CURSOR_FDIAGSIZE: return "nwse-resize";
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case OS::CURSOR_MOVE: return "move";
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case OS::CURSOR_VSPLIT: return "row-resize";
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case OS::CURSOR_HSPLIT: return "col-resize";
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case OS::CURSOR_HELP: return "help";
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}
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}
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static void set_css_cursor(const char *p_cursor) {
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/* clang-format off */
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EM_ASM_({
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Module.canvas.style.cursor = UTF8ToString($0);
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}, p_cursor);
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/* clang-format on */
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}
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static bool is_css_cursor_hidden() {
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/* clang-format off */
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return EM_ASM_INT({
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return Module.canvas.style.cursor === 'none';
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});
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/* clang-format on */
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}
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void OS_JavaScript::set_cursor_shape(CursorShape p_shape) {
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ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
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if (get_mouse_mode() == MOUSE_MODE_VISIBLE) {
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if (cursors[p_shape] != "") {
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Vector<String> url = cursors[p_shape].split("?");
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set_css_cursor(("url(\"" + url[0] + "\") " + url[1] + ", auto").utf8());
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} else {
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set_css_cursor(godot2dom_cursor(p_shape));
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}
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}
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cursor_shape = p_shape;
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}
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void OS_JavaScript::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
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if (p_cursor.is_valid()) {
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Map<CursorShape, Vector<Variant> >::Element *cursor_c = cursors_cache.find(p_shape);
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if (cursor_c) {
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if (cursor_c->get()[0] == p_cursor && cursor_c->get()[1] == p_hotspot) {
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set_cursor_shape(p_shape);
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return;
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}
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cursors_cache.erase(p_shape);
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}
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Ref<Texture> texture = p_cursor;
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Ref<AtlasTexture> atlas_texture = p_cursor;
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Ref<Image> image;
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Size2 texture_size;
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Rect2 atlas_rect;
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if (texture.is_valid()) {
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image = texture->get_data();
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if (image.is_valid()) {
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image->duplicate();
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}
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}
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if (!image.is_valid() && atlas_texture.is_valid()) {
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texture = atlas_texture->get_atlas();
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|
|
|
atlas_rect.size.width = texture->get_width();
|
|
atlas_rect.size.height = texture->get_height();
|
|
atlas_rect.position.x = atlas_texture->get_region().position.x;
|
|
atlas_rect.position.y = atlas_texture->get_region().position.y;
|
|
|
|
texture_size.width = atlas_texture->get_region().size.x;
|
|
texture_size.height = atlas_texture->get_region().size.y;
|
|
} else if (image.is_valid()) {
|
|
texture_size.width = texture->get_width();
|
|
texture_size.height = texture->get_height();
|
|
}
|
|
|
|
ERR_FAIL_COND(!texture.is_valid());
|
|
ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0);
|
|
ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256);
|
|
ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height);
|
|
|
|
image = texture->get_data();
|
|
|
|
ERR_FAIL_COND(!image.is_valid());
|
|
|
|
image = image->duplicate();
|
|
|
|
if (atlas_texture.is_valid())
|
|
image->crop_from_point(
|
|
atlas_rect.position.x,
|
|
atlas_rect.position.y,
|
|
texture_size.width,
|
|
texture_size.height);
|
|
|
|
if (image->get_format() != Image::FORMAT_RGBA8) {
|
|
image->convert(Image::FORMAT_RGBA8);
|
|
}
|
|
|
|
png_image png_meta;
|
|
memset(&png_meta, 0, sizeof png_meta);
|
|
png_meta.version = PNG_IMAGE_VERSION;
|
|
png_meta.width = texture_size.width;
|
|
png_meta.height = texture_size.height;
|
|
png_meta.format = PNG_FORMAT_RGBA;
|
|
|
|
PoolByteArray png;
|
|
size_t len;
|
|
PoolByteArray::Read r = image->get_data().read();
|
|
ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, r.ptr(), 0, NULL));
|
|
|
|
png.resize(len);
|
|
PoolByteArray::Write w = png.write();
|
|
ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, w.ptr(), &len, 0, r.ptr(), 0, NULL));
|
|
w = PoolByteArray::Write();
|
|
|
|
r = png.read();
|
|
|
|
char *object_url;
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
var PNG_PTR = $0;
|
|
var PNG_LEN = $1;
|
|
var PTR = $2;
|
|
|
|
var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: 'image/png' });
|
|
var url = URL.createObjectURL(png);
|
|
var length_bytes = lengthBytesUTF8(url) + 1;
|
|
var string_on_wasm_heap = _malloc(length_bytes);
|
|
setValue(PTR, string_on_wasm_heap, '*');
|
|
stringToUTF8(url, string_on_wasm_heap, length_bytes);
|
|
}, r.ptr(), len, &object_url);
|
|
/* clang-format on */
|
|
r = PoolByteArray::Read();
|
|
|
|
String url = String::utf8(object_url) + "?" + itos(p_hotspot.x) + " " + itos(p_hotspot.y);
|
|
|
|
/* clang-format off */
|
|
EM_ASM({ _free($0); }, object_url);
|
|
/* clang-format on */
|
|
|
|
if (cursors[p_shape] != "") {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
URL.revokeObjectURL(UTF8ToString($0).split('?')[0]);
|
|
}, cursors[p_shape].utf8().get_data());
|
|
/* clang-format on */
|
|
cursors[p_shape] = "";
|
|
}
|
|
|
|
cursors[p_shape] = url;
|
|
|
|
Vector<Variant> params;
|
|
params.push_back(p_cursor);
|
|
params.push_back(p_hotspot);
|
|
cursors_cache.insert(p_shape, params);
|
|
|
|
} else if (cursors[p_shape] != "") {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
URL.revokeObjectURL(UTF8ToString($0).split('?')[0]);
|
|
}, cursors[p_shape].utf8().get_data());
|
|
/* clang-format on */
|
|
cursors[p_shape] = "";
|
|
|
|
cursors_cache.erase(p_shape);
|
|
}
|
|
|
|
set_cursor_shape(cursor_shape);
|
|
}
|
|
|
|
void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) {
|
|
|
|
ERR_FAIL_COND_MSG(p_mode == MOUSE_MODE_CONFINED, "MOUSE_MODE_CONFINED is not supported for the HTML5 platform.");
|
|
if (p_mode == get_mouse_mode())
|
|
return;
|
|
|
|
if (p_mode == MOUSE_MODE_VISIBLE) {
|
|
|
|
// set_css_cursor must be called before set_cursor_shape to make the cursor visible
|
|
set_css_cursor(godot2dom_cursor(cursor_shape));
|
|
set_cursor_shape(cursor_shape);
|
|
emscripten_exit_pointerlock();
|
|
|
|
} else if (p_mode == MOUSE_MODE_HIDDEN) {
|
|
|
|
set_css_cursor("none");
|
|
emscripten_exit_pointerlock();
|
|
|
|
} else if (p_mode == MOUSE_MODE_CAPTURED) {
|
|
|
|
EMSCRIPTEN_RESULT result = emscripten_request_pointerlock("canvas", false);
|
|
ERR_FAIL_COND_MSG(result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED, "MOUSE_MODE_CAPTURED can only be entered from within an appropriate input callback.");
|
|
ERR_FAIL_COND_MSG(result != EMSCRIPTEN_RESULT_SUCCESS, "MOUSE_MODE_CAPTURED can only be entered from within an appropriate input callback.");
|
|
// set_css_cursor must be called before set_cursor_shape to make the cursor visible
|
|
set_css_cursor(godot2dom_cursor(cursor_shape));
|
|
set_cursor_shape(cursor_shape);
|
|
}
|
|
}
|
|
|
|
OS::MouseMode OS_JavaScript::get_mouse_mode() const {
|
|
|
|
if (is_css_cursor_hidden())
|
|
return MOUSE_MODE_HIDDEN;
|
|
|
|
EmscriptenPointerlockChangeEvent ev;
|
|
emscripten_get_pointerlock_status(&ev);
|
|
return (ev.isActive && String::utf8(ev.id) == "canvas") ? MOUSE_MODE_CAPTURED : MOUSE_MODE_VISIBLE;
|
|
}
|
|
|
|
// Wheel
|
|
|
|
EM_BOOL OS_JavaScript::wheel_callback(int p_event_type, const EmscriptenWheelEvent *p_event, void *p_user_data) {
|
|
|
|
ERR_FAIL_COND_V(p_event_type != EMSCRIPTEN_EVENT_WHEEL, false);
|
|
if (!is_canvas_focused()) {
|
|
if (cursor_inside_canvas) {
|
|
focus_canvas();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
InputDefault *input = get_singleton()->input;
|
|
Ref<InputEventMouseButton> ev;
|
|
ev.instance();
|
|
ev->set_position(input->get_mouse_position());
|
|
ev->set_global_position(ev->get_position());
|
|
|
|
ev->set_shift(input->is_key_pressed(KEY_SHIFT));
|
|
ev->set_alt(input->is_key_pressed(KEY_ALT));
|
|
ev->set_control(input->is_key_pressed(KEY_CONTROL));
|
|
ev->set_metakey(input->is_key_pressed(KEY_META));
|
|
|
|
if (p_event->deltaY < 0)
|
|
ev->set_button_index(BUTTON_WHEEL_UP);
|
|
else if (p_event->deltaY > 0)
|
|
ev->set_button_index(BUTTON_WHEEL_DOWN);
|
|
else if (p_event->deltaX > 0)
|
|
ev->set_button_index(BUTTON_WHEEL_LEFT);
|
|
else if (p_event->deltaX < 0)
|
|
ev->set_button_index(BUTTON_WHEEL_RIGHT);
|
|
else
|
|
return false;
|
|
|
|
// Different browsers give wildly different delta values, and we can't
|
|
// interpret deltaMode, so use default value for wheel events' factor.
|
|
|
|
int button_flag = 1 << (ev->get_button_index() - 1);
|
|
|
|
ev->set_pressed(true);
|
|
ev->set_button_mask(input->get_mouse_button_mask() | button_flag);
|
|
input->parse_input_event(ev);
|
|
|
|
ev->set_pressed(false);
|
|
ev->set_button_mask(input->get_mouse_button_mask() & ~button_flag);
|
|
input->parse_input_event(ev);
|
|
|
|
return true;
|
|
}
|
|
|
|
// Touch
|
|
|
|
bool OS_JavaScript::has_touchscreen_ui_hint() const {
|
|
|
|
/* clang-format off */
|
|
return EM_ASM_INT_V(
|
|
return 'ontouchstart' in window;
|
|
);
|
|
/* clang-format on */
|
|
}
|
|
|
|
EM_BOOL OS_JavaScript::touch_press_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data) {
|
|
|
|
OS_JavaScript *os = get_singleton();
|
|
Ref<InputEventScreenTouch> ev;
|
|
ev.instance();
|
|
int lowest_id_index = -1;
|
|
for (int i = 0; i < p_event->numTouches; ++i) {
|
|
|
|
const EmscriptenTouchPoint &touch = p_event->touches[i];
|
|
if (lowest_id_index == -1 || touch.identifier < p_event->touches[lowest_id_index].identifier)
|
|
lowest_id_index = i;
|
|
if (!touch.isChanged)
|
|
continue;
|
|
ev->set_index(touch.identifier);
|
|
ev->set_position(correct_canvas_position(touch.canvasX, touch.canvasY));
|
|
os->touches[i] = ev->get_position();
|
|
ev->set_pressed(p_event_type == EMSCRIPTEN_EVENT_TOUCHSTART);
|
|
|
|
os->input->parse_input_event(ev);
|
|
}
|
|
// Resume audio context after input in case autoplay was denied.
|
|
os->audio_driver_javascript.resume();
|
|
return true;
|
|
}
|
|
|
|
EM_BOOL OS_JavaScript::touchmove_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data) {
|
|
|
|
OS_JavaScript *os = get_singleton();
|
|
Ref<InputEventScreenDrag> ev;
|
|
ev.instance();
|
|
int lowest_id_index = -1;
|
|
for (int i = 0; i < p_event->numTouches; ++i) {
|
|
|
|
const EmscriptenTouchPoint &touch = p_event->touches[i];
|
|
if (lowest_id_index == -1 || touch.identifier < p_event->touches[lowest_id_index].identifier)
|
|
lowest_id_index = i;
|
|
if (!touch.isChanged)
|
|
continue;
|
|
ev->set_index(touch.identifier);
|
|
ev->set_position(correct_canvas_position(touch.canvasX, touch.canvasY));
|
|
Point2 &prev = os->touches[i];
|
|
ev->set_relative(ev->get_position() - prev);
|
|
prev = ev->get_position();
|
|
|
|
os->input->parse_input_event(ev);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Gamepad
|
|
|
|
EM_BOOL OS_JavaScript::gamepad_change_callback(int p_event_type, const EmscriptenGamepadEvent *p_event, void *p_user_data) {
|
|
|
|
InputDefault *input = get_singleton()->input;
|
|
if (p_event_type == EMSCRIPTEN_EVENT_GAMEPADCONNECTED) {
|
|
|
|
String guid = "";
|
|
if (String::utf8(p_event->mapping) == "standard")
|
|
guid = "Default HTML5 Gamepad";
|
|
input->joy_connection_changed(p_event->index, true, String::utf8(p_event->id), guid);
|
|
} else {
|
|
input->joy_connection_changed(p_event->index, false, "");
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void OS_JavaScript::process_joypads() {
|
|
|
|
int joypad_count = emscripten_get_num_gamepads();
|
|
for (int joypad = 0; joypad < joypad_count; joypad++) {
|
|
EmscriptenGamepadEvent state;
|
|
EMSCRIPTEN_RESULT query_result = emscripten_get_gamepad_status(joypad, &state);
|
|
// Chromium reserves gamepads slots, so NO_DATA is an expected result.
|
|
ERR_CONTINUE(query_result != EMSCRIPTEN_RESULT_SUCCESS &&
|
|
query_result != EMSCRIPTEN_RESULT_NO_DATA);
|
|
if (query_result == EMSCRIPTEN_RESULT_SUCCESS && state.connected) {
|
|
|
|
int button_count = MIN(state.numButtons, 18);
|
|
int axis_count = MIN(state.numAxes, 8);
|
|
for (int button = 0; button < button_count; button++) {
|
|
|
|
float value = state.analogButton[button];
|
|
if (String::utf8(state.mapping) == "standard" && (button == JOY_ANALOG_L2 || button == JOY_ANALOG_R2)) {
|
|
InputDefault::JoyAxis joy_axis;
|
|
joy_axis.min = 0;
|
|
joy_axis.value = value;
|
|
input->joy_axis(joypad, button, joy_axis);
|
|
} else {
|
|
input->joy_button(joypad, button, value);
|
|
}
|
|
}
|
|
for (int axis = 0; axis < axis_count; axis++) {
|
|
|
|
InputDefault::JoyAxis joy_axis;
|
|
joy_axis.min = -1;
|
|
joy_axis.value = state.axis[axis];
|
|
input->joy_axis(joypad, axis, joy_axis);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool OS_JavaScript::is_joy_known(int p_device) {
|
|
|
|
return input->is_joy_mapped(p_device);
|
|
}
|
|
|
|
String OS_JavaScript::get_joy_guid(int p_device) const {
|
|
|
|
return input->get_joy_guid_remapped(p_device);
|
|
}
|
|
|
|
// Video
|
|
|
|
int OS_JavaScript::get_video_driver_count() const {
|
|
|
|
return VIDEO_DRIVER_MAX;
|
|
}
|
|
|
|
const char *OS_JavaScript::get_video_driver_name(int p_driver) const {
|
|
|
|
switch (p_driver) {
|
|
case VIDEO_DRIVER_GLES3:
|
|
return "GLES3";
|
|
case VIDEO_DRIVER_GLES2:
|
|
return "GLES2";
|
|
}
|
|
ERR_FAIL_V_MSG(NULL, "Invalid video driver index: " + itos(p_driver) + ".");
|
|
}
|
|
|
|
// Audio
|
|
|
|
int OS_JavaScript::get_audio_driver_count() const {
|
|
|
|
return 1;
|
|
}
|
|
|
|
const char *OS_JavaScript::get_audio_driver_name(int p_driver) const {
|
|
|
|
return "JavaScript";
|
|
}
|
|
|
|
// Clipboard
|
|
extern "C" EMSCRIPTEN_KEEPALIVE void update_clipboard(const char *p_text) {
|
|
// Only call set_clipboard from OS (sets local clipboard)
|
|
OS::get_singleton()->OS::set_clipboard(p_text);
|
|
}
|
|
|
|
void OS_JavaScript::set_clipboard(const String &p_text) {
|
|
OS::set_clipboard(p_text);
|
|
/* clang-format off */
|
|
int err = EM_ASM_INT({
|
|
var text = UTF8ToString($0);
|
|
if (!navigator.clipboard || !navigator.clipboard.writeText)
|
|
return 1;
|
|
navigator.clipboard.writeText(text).catch(function(e) {
|
|
// Setting OS clipboard is only possible from an input callback.
|
|
console.error("Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:", e);
|
|
});
|
|
return 0;
|
|
}, p_text.utf8().get_data());
|
|
/* clang-format on */
|
|
ERR_FAIL_COND_MSG(err, "Clipboard API is not supported.");
|
|
}
|
|
|
|
String OS_JavaScript::get_clipboard() const {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
try {
|
|
navigator.clipboard.readText().then(function (result) {
|
|
ccall('update_clipboard', 'void', ['string'], [result]);
|
|
}).catch(function (e) {
|
|
// Fail graciously.
|
|
});
|
|
} catch (e) {
|
|
// Fail graciously.
|
|
}
|
|
});
|
|
/* clang-format on */
|
|
return this->OS::get_clipboard();
|
|
}
|
|
|
|
// Lifecycle
|
|
int OS_JavaScript::get_current_video_driver() const {
|
|
return video_driver_index;
|
|
}
|
|
|
|
void OS_JavaScript::initialize_core() {
|
|
|
|
OS_Unix::initialize_core();
|
|
FileAccess::make_default<FileAccessBufferedFA<FileAccessUnix> >(FileAccess::ACCESS_RESOURCES);
|
|
}
|
|
|
|
Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) {
|
|
|
|
EmscriptenWebGLContextAttributes attributes;
|
|
emscripten_webgl_init_context_attributes(&attributes);
|
|
attributes.alpha = false;
|
|
attributes.antialias = false;
|
|
ERR_FAIL_INDEX_V(p_video_driver, VIDEO_DRIVER_MAX, ERR_INVALID_PARAMETER);
|
|
|
|
bool gles3 = true;
|
|
if (p_video_driver == VIDEO_DRIVER_GLES2) {
|
|
gles3 = false;
|
|
}
|
|
|
|
bool gl_initialization_error = false;
|
|
|
|
while (true) {
|
|
if (gles3) {
|
|
if (RasterizerGLES3::is_viable() == OK) {
|
|
attributes.majorVersion = 2;
|
|
RasterizerGLES3::register_config();
|
|
RasterizerGLES3::make_current();
|
|
break;
|
|
} else {
|
|
if (GLOBAL_GET("rendering/quality/driver/fallback_to_gles2")) {
|
|
p_video_driver = VIDEO_DRIVER_GLES2;
|
|
gles3 = false;
|
|
continue;
|
|
} else {
|
|
gl_initialization_error = true;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
if (RasterizerGLES2::is_viable() == OK) {
|
|
attributes.majorVersion = 1;
|
|
RasterizerGLES2::register_config();
|
|
RasterizerGLES2::make_current();
|
|
break;
|
|
} else {
|
|
gl_initialization_error = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE ctx = emscripten_webgl_create_context(NULL, &attributes);
|
|
if (emscripten_webgl_make_context_current(ctx) != EMSCRIPTEN_RESULT_SUCCESS) {
|
|
gl_initialization_error = true;
|
|
}
|
|
|
|
if (gl_initialization_error) {
|
|
OS::get_singleton()->alert("Your browser does not support any of the supported WebGL versions.\n"
|
|
"Please update your browser version.",
|
|
"Unable to initialize Video driver");
|
|
return ERR_UNAVAILABLE;
|
|
}
|
|
|
|
video_driver_index = p_video_driver;
|
|
|
|
video_mode = p_desired;
|
|
// fullscreen_change_callback will correct this if the request is successful.
|
|
video_mode.fullscreen = false;
|
|
// Emscripten only attempts fullscreen requests if the user input callback
|
|
// was registered through one its own functions, so request manually for
|
|
// start-up fullscreen.
|
|
if (p_desired.fullscreen) {
|
|
/* clang-format off */
|
|
EM_ASM({
|
|
(canvas.requestFullscreen || canvas.msRequestFullscreen ||
|
|
canvas.mozRequestFullScreen || canvas.mozRequestFullscreen ||
|
|
canvas.webkitRequestFullscreen
|
|
).call(canvas);
|
|
});
|
|
/* clang-format on */
|
|
}
|
|
/* clang-format off */
|
|
if (EM_ASM_INT_V({ return Module.resizeCanvasOnStart })) {
|
|
/* clang-format on */
|
|
set_window_size(Size2(video_mode.width, video_mode.height));
|
|
} else {
|
|
set_window_size(get_window_size());
|
|
}
|
|
|
|
char locale_ptr[16];
|
|
/* clang-format off */
|
|
EM_ASM_ARGS({
|
|
stringToUTF8(Module.locale, $0, 16);
|
|
}, locale_ptr);
|
|
/* clang-format on */
|
|
setenv("LANG", locale_ptr, true);
|
|
|
|
AudioDriverManager::initialize(p_audio_driver);
|
|
VisualServer *visual_server = memnew(VisualServerRaster());
|
|
input = memnew(InputDefault);
|
|
|
|
EMSCRIPTEN_RESULT result;
|
|
#define EM_CHECK(ev) \
|
|
if (result != EMSCRIPTEN_RESULT_SUCCESS) \
|
|
ERR_PRINTS("Error while setting " #ev " callback: Code " + itos(result))
|
|
#define SET_EM_CALLBACK(target, ev, cb) \
|
|
result = emscripten_set_##ev##_callback(target, NULL, true, &cb); \
|
|
EM_CHECK(ev)
|
|
#define SET_EM_CALLBACK_NOTARGET(ev, cb) \
|
|
result = emscripten_set_##ev##_callback(NULL, true, &cb); \
|
|
EM_CHECK(ev)
|
|
// These callbacks from Emscripten's html5.h suffice to access most
|
|
// JavaScript APIs. For APIs that are not (sufficiently) exposed, EM_ASM
|
|
// is used below.
|
|
SET_EM_CALLBACK("#window", mousemove, mousemove_callback)
|
|
SET_EM_CALLBACK("#canvas", mousedown, mouse_button_callback)
|
|
SET_EM_CALLBACK("#window", mouseup, mouse_button_callback)
|
|
SET_EM_CALLBACK("#window", wheel, wheel_callback)
|
|
SET_EM_CALLBACK("#window", touchstart, touch_press_callback)
|
|
SET_EM_CALLBACK("#window", touchmove, touchmove_callback)
|
|
SET_EM_CALLBACK("#window", touchend, touch_press_callback)
|
|
SET_EM_CALLBACK("#window", touchcancel, touch_press_callback)
|
|
SET_EM_CALLBACK("#canvas", keydown, keydown_callback)
|
|
SET_EM_CALLBACK("#canvas", keypress, keypress_callback)
|
|
SET_EM_CALLBACK("#canvas", keyup, keyup_callback)
|
|
SET_EM_CALLBACK(NULL, fullscreenchange, fullscreen_change_callback)
|
|
SET_EM_CALLBACK_NOTARGET(gamepadconnected, gamepad_change_callback)
|
|
SET_EM_CALLBACK_NOTARGET(gamepaddisconnected, gamepad_change_callback)
|
|
#undef SET_EM_CALLBACK_NODATA
|
|
#undef SET_EM_CALLBACK
|
|
#undef EM_CHECK
|
|
|
|
/* clang-format off */
|
|
EM_ASM_ARGS({
|
|
const send_notification = cwrap('send_notification', null, ['number']);
|
|
const notifications = arguments;
|
|
(['mouseover', 'mouseleave', 'focus', 'blur']).forEach(function(event, index) {
|
|
Module.canvas.addEventListener(event, send_notification.bind(null, notifications[index]));
|
|
});
|
|
// Clipboard
|
|
const update_clipboard = cwrap('update_clipboard', null, ['string']);
|
|
window.addEventListener('paste', function(evt) {
|
|
update_clipboard(evt.clipboardData.getData('text'));
|
|
}, true);
|
|
},
|
|
MainLoop::NOTIFICATION_WM_MOUSE_ENTER,
|
|
MainLoop::NOTIFICATION_WM_MOUSE_EXIT,
|
|
MainLoop::NOTIFICATION_WM_FOCUS_IN,
|
|
MainLoop::NOTIFICATION_WM_FOCUS_OUT
|
|
);
|
|
/* clang-format on */
|
|
|
|
visual_server->init();
|
|
|
|
return OK;
|
|
}
|
|
|
|
void OS_JavaScript::set_main_loop(MainLoop *p_main_loop) {
|
|
|
|
main_loop = p_main_loop;
|
|
input->set_main_loop(p_main_loop);
|
|
}
|
|
|
|
MainLoop *OS_JavaScript::get_main_loop() const {
|
|
|
|
return main_loop;
|
|
}
|
|
|
|
void OS_JavaScript::run_async() {
|
|
|
|
main_loop->init();
|
|
emscripten_set_main_loop(main_loop_callback, -1, false);
|
|
}
|
|
|
|
void OS_JavaScript::main_loop_callback() {
|
|
|
|
get_singleton()->main_loop_iterate();
|
|
}
|
|
|
|
bool OS_JavaScript::main_loop_iterate() {
|
|
|
|
if (is_userfs_persistent() && sync_wait_time >= 0) {
|
|
int64_t current_time = get_ticks_msec();
|
|
int64_t elapsed_time = current_time - last_sync_check_time;
|
|
last_sync_check_time = current_time;
|
|
|
|
sync_wait_time -= elapsed_time;
|
|
|
|
if (sync_wait_time < 0) {
|
|
/* clang-format off */
|
|
EM_ASM(
|
|
FS.syncfs(function(error) {
|
|
if (error) { err('Failed to save IDB file system: ' + error.message); }
|
|
});
|
|
);
|
|
/* clang-format on */
|
|
}
|
|
}
|
|
|
|
if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS)
|
|
process_joypads();
|
|
|
|
if (just_exited_fullscreen) {
|
|
if (window_maximized) {
|
|
EmscriptenFullscreenStrategy strategy;
|
|
strategy.scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH;
|
|
strategy.canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF;
|
|
strategy.filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT;
|
|
strategy.canvasResizedCallback = NULL;
|
|
emscripten_enter_soft_fullscreen(NULL, &strategy);
|
|
} else {
|
|
emscripten_set_canvas_element_size(NULL, windowed_size.width, windowed_size.height);
|
|
}
|
|
just_exited_fullscreen = false;
|
|
}
|
|
|
|
int canvas[2];
|
|
emscripten_get_canvas_element_size(NULL, canvas, canvas + 1);
|
|
video_mode.width = canvas[0];
|
|
video_mode.height = canvas[1];
|
|
if (!window_maximized && !video_mode.fullscreen && !just_exited_fullscreen && !entering_fullscreen) {
|
|
windowed_size.width = canvas[0];
|
|
windowed_size.height = canvas[1];
|
|
}
|
|
|
|
return Main::iteration();
|
|
}
|
|
|
|
void OS_JavaScript::delete_main_loop() {
|
|
|
|
memdelete(main_loop);
|
|
}
|
|
|
|
void OS_JavaScript::finalize() {
|
|
|
|
memdelete(input);
|
|
}
|
|
|
|
// Miscellaneous
|
|
|
|
Error OS_JavaScript::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex) {
|
|
|
|
ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "OS::execute() is not available on the HTML5 platform.");
|
|
}
|
|
|
|
Error OS_JavaScript::kill(const ProcessID &p_pid) {
|
|
|
|
ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "OS::kill() is not available on the HTML5 platform.");
|
|
}
|
|
|
|
int OS_JavaScript::get_process_id() const {
|
|
|
|
ERR_FAIL_V_MSG(0, "OS::get_process_id() is not available on the HTML5 platform.");
|
|
}
|
|
|
|
extern "C" EMSCRIPTEN_KEEPALIVE void send_notification(int p_notification) {
|
|
|
|
if (p_notification == MainLoop::NOTIFICATION_WM_MOUSE_ENTER || p_notification == MainLoop::NOTIFICATION_WM_MOUSE_EXIT) {
|
|
cursor_inside_canvas = p_notification == MainLoop::NOTIFICATION_WM_MOUSE_ENTER;
|
|
}
|
|
OS_JavaScript::get_singleton()->get_main_loop()->notification(p_notification);
|
|
}
|
|
|
|
bool OS_JavaScript::_check_internal_feature_support(const String &p_feature) {
|
|
|
|
if (p_feature == "HTML5" || p_feature == "web")
|
|
return true;
|
|
|
|
#ifdef JAVASCRIPT_EVAL_ENABLED
|
|
if (p_feature == "JavaScript")
|
|
return true;
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
void OS_JavaScript::alert(const String &p_alert, const String &p_title) {
|
|
|
|
/* clang-format off */
|
|
EM_ASM_({
|
|
window.alert(UTF8ToString($0));
|
|
}, p_alert.utf8().get_data());
|
|
/* clang-format on */
|
|
}
|
|
|
|
void OS_JavaScript::set_window_title(const String &p_title) {
|
|
|
|
/* clang-format off */
|
|
EM_ASM_({
|
|
document.title = UTF8ToString($0);
|
|
}, p_title.utf8().get_data());
|
|
/* clang-format on */
|
|
}
|
|
|
|
void OS_JavaScript::set_icon(const Ref<Image> &p_icon) {
|
|
|
|
ERR_FAIL_COND(p_icon.is_null());
|
|
Ref<Image> icon = p_icon;
|
|
if (icon->is_compressed()) {
|
|
icon = icon->duplicate();
|
|
ERR_FAIL_COND(icon->decompress() != OK);
|
|
}
|
|
if (icon->get_format() != Image::FORMAT_RGBA8) {
|
|
if (icon == p_icon)
|
|
icon = icon->duplicate();
|
|
icon->convert(Image::FORMAT_RGBA8);
|
|
}
|
|
|
|
png_image png_meta;
|
|
memset(&png_meta, 0, sizeof png_meta);
|
|
png_meta.version = PNG_IMAGE_VERSION;
|
|
png_meta.width = icon->get_width();
|
|
png_meta.height = icon->get_height();
|
|
png_meta.format = PNG_FORMAT_RGBA;
|
|
|
|
PoolByteArray png;
|
|
size_t len;
|
|
PoolByteArray::Read r = icon->get_data().read();
|
|
ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, r.ptr(), 0, NULL));
|
|
|
|
png.resize(len);
|
|
PoolByteArray::Write w = png.write();
|
|
ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, w.ptr(), &len, 0, r.ptr(), 0, NULL));
|
|
w = PoolByteArray::Write();
|
|
|
|
r = png.read();
|
|
/* clang-format off */
|
|
EM_ASM_ARGS({
|
|
var PNG_PTR = $0;
|
|
var PNG_LEN = $1;
|
|
|
|
var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: "image/png" });
|
|
var url = URL.createObjectURL(png);
|
|
var link = document.getElementById('-gd-engine-icon');
|
|
if (link === null) {
|
|
link = document.createElement('link');
|
|
link.rel = 'icon';
|
|
link.id = '-gd-engine-icon';
|
|
document.head.appendChild(link);
|
|
}
|
|
link.href = url;
|
|
}, r.ptr(), len);
|
|
/* clang-format on */
|
|
}
|
|
|
|
String OS_JavaScript::get_executable_path() const {
|
|
|
|
return OS::get_executable_path();
|
|
}
|
|
|
|
Error OS_JavaScript::shell_open(String p_uri) {
|
|
|
|
// Open URI in a new tab, browser will deal with it by protocol.
|
|
/* clang-format off */
|
|
EM_ASM_({
|
|
window.open(UTF8ToString($0), '_blank');
|
|
}, p_uri.utf8().get_data());
|
|
/* clang-format on */
|
|
return OK;
|
|
}
|
|
|
|
String OS_JavaScript::get_name() const {
|
|
|
|
return "HTML5";
|
|
}
|
|
|
|
bool OS_JavaScript::can_draw() const {
|
|
|
|
return true; // Always?
|
|
}
|
|
|
|
String OS_JavaScript::get_user_data_dir() const {
|
|
|
|
return "/userfs";
|
|
};
|
|
|
|
String OS_JavaScript::get_resource_dir() const {
|
|
|
|
return "/";
|
|
}
|
|
|
|
OS::PowerState OS_JavaScript::get_power_state() {
|
|
|
|
WARN_PRINT("Power management is not supported for the HTML5 platform, defaulting to POWERSTATE_UNKNOWN");
|
|
return OS::POWERSTATE_UNKNOWN;
|
|
}
|
|
|
|
int OS_JavaScript::get_power_seconds_left() {
|
|
|
|
WARN_PRINT("Power management is not supported for the HTML5 platform, defaulting to -1");
|
|
return -1;
|
|
}
|
|
|
|
int OS_JavaScript::get_power_percent_left() {
|
|
|
|
WARN_PRINT("Power management is not supported for the HTML5 platform, defaulting to -1");
|
|
return -1;
|
|
}
|
|
|
|
void OS_JavaScript::file_access_close_callback(const String &p_file, int p_flags) {
|
|
|
|
OS_JavaScript *os = get_singleton();
|
|
if (os->is_userfs_persistent() && p_file.begins_with("/userfs") && p_flags & FileAccess::WRITE) {
|
|
os->last_sync_check_time = OS::get_singleton()->get_ticks_msec();
|
|
// Wait five seconds in case more files are about to be closed.
|
|
os->sync_wait_time = 5000;
|
|
}
|
|
}
|
|
|
|
void OS_JavaScript::set_idb_available(bool p_idb_available) {
|
|
|
|
idb_available = p_idb_available;
|
|
}
|
|
|
|
bool OS_JavaScript::is_userfs_persistent() const {
|
|
|
|
return idb_available;
|
|
}
|
|
|
|
OS_JavaScript *OS_JavaScript::get_singleton() {
|
|
|
|
return static_cast<OS_JavaScript *>(OS::get_singleton());
|
|
}
|
|
|
|
OS_JavaScript::OS_JavaScript(int p_argc, char *p_argv[]) {
|
|
|
|
List<String> arguments;
|
|
for (int i = 1; i < p_argc; i++) {
|
|
arguments.push_back(String::utf8(p_argv[i]));
|
|
}
|
|
set_cmdline(p_argv[0], arguments);
|
|
|
|
last_click_button_index = -1;
|
|
last_click_ms = 0;
|
|
last_click_pos = Point2(-100, -100);
|
|
|
|
window_maximized = false;
|
|
entering_fullscreen = false;
|
|
just_exited_fullscreen = false;
|
|
|
|
main_loop = NULL;
|
|
|
|
idb_available = false;
|
|
sync_wait_time = -1;
|
|
|
|
AudioDriverManager::add_driver(&audio_driver_javascript);
|
|
|
|
Vector<Logger *> loggers;
|
|
loggers.push_back(memnew(StdLogger));
|
|
_set_logger(memnew(CompositeLogger(loggers)));
|
|
|
|
FileAccessUnix::close_notification_func = file_access_close_callback;
|
|
}
|