No longer use emscripten functions for gamepads, implement them as library functions in library_godot_display.js instead. This allows us to do a better job at "guessing" vendorId, productId, OS, etc. thus allowing us to better find the remapping for the controller.
1260 lines
38 KiB
C++
1260 lines
38 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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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/json.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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#ifndef NO_THREADS
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#include "servers/visual/visual_server_wrap_mt.h"
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#endif
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#include <dlfcn.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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#include "godot_js.h"
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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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// Quit
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void OS_JavaScript::request_quit_callback() {
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OS_JavaScript *os = get_singleton();
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if (os && os->get_main_loop()) {
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os->get_main_loop()->notification(MainLoop::NOTIFICATION_WM_QUIT_REQUEST);
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}
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}
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// Files drop (implemented in JS for now).
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void OS_JavaScript::drop_files_callback(char **p_filev, int p_filec) {
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OS_JavaScript *os = get_singleton();
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if (!os || !os->get_main_loop()) {
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return;
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}
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Vector<String> files;
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for (int i = 0; i < p_filec; i++) {
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files.push_back(String::utf8(p_filev[i]));
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}
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os->get_main_loop()->drop_files(files);
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}
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void OS_JavaScript::send_notification_callback(int p_notification) {
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OS_JavaScript *os = get_singleton();
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if (!os) {
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return;
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}
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if (p_notification == MainLoop::NOTIFICATION_WM_MOUSE_ENTER || p_notification == MainLoop::NOTIFICATION_WM_MOUSE_EXIT) {
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os->cursor_inside_canvas = p_notification == MainLoop::NOTIFICATION_WM_MOUSE_ENTER;
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}
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MainLoop *loop = os->get_main_loop();
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if (loop) {
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loop->notification(p_notification);
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}
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}
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// Window (canvas)
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Point2 OS_JavaScript::compute_position_in_canvas(int x, int y) {
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OS_JavaScript *os = get_singleton();
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int canvas_x;
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int canvas_y;
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godot_js_display_canvas_bounding_rect_position_get(&canvas_x, &canvas_y);
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int canvas_width;
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int canvas_height;
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emscripten_get_canvas_element_size(os->canvas_id, &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(os->canvas_id, &element_width, &element_height);
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return Point2((int)(canvas_width / element_width * (x - canvas_x)),
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(int)(canvas_height / element_height * (y - canvas_y)));
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}
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bool OS_JavaScript::check_size_force_redraw() {
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int canvas_width;
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int canvas_height;
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emscripten_get_canvas_element_size(canvas_id, &canvas_width, &canvas_height);
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if (last_width != canvas_width || last_height != canvas_height) {
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last_width = canvas_width;
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last_height = canvas_height;
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// Update the framebuffer size for redraw.
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emscripten_set_canvas_element_size(canvas_id, canvas_width, canvas_height);
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return true;
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}
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return false;
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}
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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 == String::utf8(os->canvas_id)) {
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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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double scale = godot_js_display_pixel_ratio_get();
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emscripten_set_canvas_element_size(canvas_id, p_size.x, p_size.y);
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emscripten_set_element_css_size(canvas_id, p_size.x / scale, p_size.y / scale);
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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(canvas_id, 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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#ifndef TOOLS_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(canvas_id, &strategy);
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window_maximized = p_enabled;
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}
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#endif
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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(canvas_id, 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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bool OS_JavaScript::get_window_per_pixel_transparency_enabled() const {
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if (!is_layered_allowed()) {
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return false;
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}
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return transparency_enabled;
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}
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void OS_JavaScript::set_window_per_pixel_transparency_enabled(bool p_enabled) {
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if (!is_layered_allowed()) {
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return;
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}
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transparency_enabled = p_enabled;
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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(dom_code2godot_scancode(emscripten_event->code, emscripten_event->key));
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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->resume_audio();
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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(compute_position_in_canvas(p_event->clientX, p_event->clientY));
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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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double diff = emscripten_get_now() - 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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godot_js_display_canvas_focus();
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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->resume_audio();
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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 = compute_position_in_canvas(p_event->clientX, p_event->clientY);
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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 (!os->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";
|
|
case OS::CURSOR_FDIAGSIZE: return "nwse-resize";
|
|
case OS::CURSOR_MOVE: return "move";
|
|
case OS::CURSOR_VSPLIT: return "row-resize";
|
|
case OS::CURSOR_HSPLIT: return "col-resize";
|
|
case OS::CURSOR_HELP: return "help";
|
|
}
|
|
}
|
|
|
|
void OS_JavaScript::set_cursor_shape(CursorShape p_shape) {
|
|
|
|
ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
|
|
if (cursor_shape == p_shape) {
|
|
return;
|
|
}
|
|
cursor_shape = p_shape;
|
|
godot_js_display_cursor_set_shape(godot2dom_cursor(cursor_shape));
|
|
}
|
|
|
|
void OS_JavaScript::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
|
|
|
|
if (p_cursor.is_valid()) {
|
|
|
|
Ref<Texture> texture = p_cursor;
|
|
Ref<AtlasTexture> atlas_texture = p_cursor;
|
|
Ref<Image> image;
|
|
Size2 texture_size;
|
|
Rect2 atlas_rect;
|
|
|
|
if (texture.is_valid()) {
|
|
image = texture->get_data();
|
|
if (image.is_valid()) {
|
|
image->duplicate();
|
|
}
|
|
}
|
|
|
|
if (!image.is_valid() && atlas_texture.is_valid()) {
|
|
texture = atlas_texture->get_atlas();
|
|
|
|
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();
|
|
godot_js_display_cursor_set_custom_shape(godot2dom_cursor(p_shape), r.ptr(), len, p_hotspot.x, p_hotspot.y);
|
|
r = PoolByteArray::Read();
|
|
|
|
} else {
|
|
godot_js_display_cursor_set_custom_shape(godot2dom_cursor(p_shape), NULL, 0, 0, 0);
|
|
}
|
|
}
|
|
|
|
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) {
|
|
|
|
godot_js_display_cursor_set_visible(1);
|
|
emscripten_exit_pointerlock();
|
|
|
|
} else if (p_mode == MOUSE_MODE_HIDDEN) {
|
|
|
|
godot_js_display_cursor_set_visible(0);
|
|
emscripten_exit_pointerlock();
|
|
|
|
} else if (p_mode == MOUSE_MODE_CAPTURED) {
|
|
|
|
godot_js_display_cursor_set_visible(1);
|
|
EMSCRIPTEN_RESULT result = emscripten_request_pointerlock(canvas_id, 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.");
|
|
}
|
|
}
|
|
|
|
OS::MouseMode OS_JavaScript::get_mouse_mode() const {
|
|
|
|
if (godot_js_display_cursor_is_hidden())
|
|
return MOUSE_MODE_HIDDEN;
|
|
|
|
EmscriptenPointerlockChangeEvent ev;
|
|
emscripten_get_pointerlock_status(&ev);
|
|
return (ev.isActive && String::utf8(ev.id) == String::utf8(canvas_id)) ? 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);
|
|
OS_JavaScript *os = get_singleton();
|
|
if (!godot_js_display_canvas_is_focused()) {
|
|
if (os->cursor_inside_canvas) {
|
|
godot_js_display_canvas_focus();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
InputDefault *input = os->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 {
|
|
return godot_js_display_touchscreen_is_available();
|
|
}
|
|
|
|
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(compute_position_in_canvas(touch.clientX, touch.clientY));
|
|
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->resume_audio();
|
|
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(compute_position_in_canvas(touch.clientX, touch.clientY));
|
|
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
|
|
void OS_JavaScript::gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid) {
|
|
InputDefault *input = get_singleton()->input;
|
|
if (p_connected) {
|
|
input->joy_connection_changed(p_index, true, String::utf8(p_id), String::utf8(p_guid));
|
|
} else {
|
|
input->joy_connection_changed(p_index, false, "");
|
|
}
|
|
}
|
|
|
|
void OS_JavaScript::process_joypads() {
|
|
|
|
int32_t pads = godot_js_display_gamepad_sample_count();
|
|
int32_t s_btns_num = 0;
|
|
int32_t s_axes_num = 0;
|
|
int32_t s_standard = 0;
|
|
float s_btns[16];
|
|
float s_axes[10];
|
|
for (int idx = 0; idx < pads; idx++) {
|
|
int err = godot_js_display_gamepad_sample_get(idx, s_btns, &s_btns_num, s_axes, &s_axes_num, &s_standard);
|
|
if (err) {
|
|
continue;
|
|
}
|
|
for (int b = 0; b < s_btns_num; b++) {
|
|
float value = s_btns[b];
|
|
// Buttons 6 and 7 in the standard mapping need to be
|
|
// axis to be handled as JOY_ANALOG by Godot.
|
|
if (s_standard && (b == 6 || b == 7)) {
|
|
InputDefault::JoyAxis joy_axis;
|
|
joy_axis.min = 0;
|
|
joy_axis.value = value;
|
|
int a = b == 6 ? JOY_ANALOG_L2 : JOY_ANALOG_R2;
|
|
input->joy_axis(idx, a, joy_axis);
|
|
} else {
|
|
input->joy_button(idx, b, value);
|
|
}
|
|
}
|
|
for (int a = 0; a < s_axes_num; a++) {
|
|
InputDefault::JoyAxis joy_axis;
|
|
joy_axis.min = -1;
|
|
joy_axis.value = s_axes[a];
|
|
input->joy_axis(idx, a, 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
|
|
void OS_JavaScript::update_clipboard_callback(const char *p_text) {
|
|
// Only call set_clipboard from OS (sets local clipboard)
|
|
get_singleton()->OS::set_clipboard(p_text);
|
|
}
|
|
|
|
void OS_JavaScript::set_clipboard(const String &p_text) {
|
|
OS::set_clipboard(p_text);
|
|
int err = godot_js_display_clipboard_set(p_text.utf8().get_data());
|
|
ERR_FAIL_COND_MSG(err, "Clipboard API is not supported.");
|
|
}
|
|
|
|
String OS_JavaScript::get_clipboard() const {
|
|
godot_js_display_clipboard_get(update_clipboard_callback);
|
|
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();
|
|
}
|
|
|
|
Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) {
|
|
|
|
swap_ok_cancel = godot_js_display_is_swap_ok_cancel() == 1;
|
|
|
|
EmscriptenWebGLContextAttributes attributes;
|
|
emscripten_webgl_init_context_attributes(&attributes);
|
|
attributes.alpha = GLOBAL_GET("display/window/per_pixel_transparency/allowed");
|
|
attributes.antialias = false;
|
|
attributes.explicitSwapControl = true;
|
|
ERR_FAIL_INDEX_V(p_video_driver, VIDEO_DRIVER_MAX, ERR_INVALID_PARAMETER);
|
|
|
|
if (p_desired.layered) {
|
|
set_window_per_pixel_transparency_enabled(true);
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
bool gles3 = false;
|
|
#else
|
|
bool gles3 = true;
|
|
if (p_video_driver == VIDEO_DRIVER_GLES2) {
|
|
gles3 = false;
|
|
}
|
|
#endif
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
webgl_ctx = emscripten_webgl_create_context(canvas_id, &attributes);
|
|
if (emscripten_webgl_make_context_current(webgl_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) {
|
|
godot_js_display_window_request_fullscreen();
|
|
}
|
|
if (godot_js_config_is_resize_on_start()) {
|
|
set_window_size(Size2(video_mode.width, video_mode.height));
|
|
} else {
|
|
set_window_size(get_window_size());
|
|
}
|
|
|
|
AudioDriverManager::initialize(p_audio_driver);
|
|
visual_server = memnew(VisualServerRaster());
|
|
#ifndef NO_THREADS
|
|
visual_server = memnew(VisualServerWrapMT(visual_server, false));
|
|
#endif
|
|
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_WINDOW_CALLBACK(ev, cb) \
|
|
result = emscripten_set_##ev##_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, false, &cb); \
|
|
EM_CHECK(ev)
|
|
// These callbacks from Emscripten's html5.h suffice to access most
|
|
// JavaScript APIs.
|
|
SET_EM_CALLBACK(canvas_id, mousedown, mouse_button_callback)
|
|
SET_EM_WINDOW_CALLBACK(mousemove, mousemove_callback)
|
|
SET_EM_WINDOW_CALLBACK(mouseup, mouse_button_callback)
|
|
SET_EM_CALLBACK(canvas_id, wheel, wheel_callback)
|
|
SET_EM_CALLBACK(canvas_id, touchstart, touch_press_callback)
|
|
SET_EM_CALLBACK(canvas_id, touchmove, touchmove_callback)
|
|
SET_EM_CALLBACK(canvas_id, touchend, touch_press_callback)
|
|
SET_EM_CALLBACK(canvas_id, touchcancel, touch_press_callback)
|
|
SET_EM_CALLBACK(canvas_id, keydown, keydown_callback)
|
|
SET_EM_CALLBACK(canvas_id, keypress, keypress_callback)
|
|
SET_EM_CALLBACK(canvas_id, keyup, keyup_callback)
|
|
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, fullscreenchange, fullscreen_change_callback)
|
|
#undef SET_EM_CALLBACK
|
|
#undef EM_CHECK
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// For APIs that are not (sufficiently) exposed, a
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// library is used below (implemented in library_godot_display.js).
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godot_js_display_notification_cb(&OS_JavaScript::send_notification_callback,
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MainLoop::NOTIFICATION_WM_MOUSE_ENTER,
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MainLoop::NOTIFICATION_WM_MOUSE_EXIT,
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MainLoop::NOTIFICATION_WM_FOCUS_IN,
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MainLoop::NOTIFICATION_WM_FOCUS_OUT);
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godot_js_display_paste_cb(&OS_JavaScript::update_clipboard_callback);
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godot_js_display_drop_files_cb(&OS_JavaScript::drop_files_callback);
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godot_js_display_gamepad_cb(&OS_JavaScript::gamepad_callback);
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visual_server->init();
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return OK;
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}
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bool OS_JavaScript::get_swap_ok_cancel() {
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return swap_ok_cancel;
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}
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void OS_JavaScript::swap_buffers() {
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emscripten_webgl_commit_frame();
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}
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void OS_JavaScript::set_main_loop(MainLoop *p_main_loop) {
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main_loop = p_main_loop;
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input->set_main_loop(p_main_loop);
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}
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MainLoop *OS_JavaScript::get_main_loop() const {
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return main_loop;
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}
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void OS_JavaScript::resume_audio() {
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if (audio_driver_javascript) {
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audio_driver_javascript->resume();
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}
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}
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void OS_JavaScript::fs_sync_callback() {
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get_singleton()->idb_is_syncing = false;
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}
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bool OS_JavaScript::main_loop_iterate() {
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if (is_userfs_persistent() && idb_needs_sync && !idb_is_syncing) {
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idb_is_syncing = true;
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idb_needs_sync = false;
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godot_js_os_fs_sync(&OS_JavaScript::fs_sync_callback);
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}
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if (godot_js_display_gamepad_sample() == OK)
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process_joypads();
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if (just_exited_fullscreen) {
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if (window_maximized) {
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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(canvas_id, &strategy);
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} else {
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set_window_size(Size2(windowed_size.width, windowed_size.height));
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}
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just_exited_fullscreen = false;
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}
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int canvas[2];
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emscripten_get_canvas_element_size(canvas_id, canvas, canvas + 1);
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video_mode.width = canvas[0];
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video_mode.height = canvas[1];
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if (!window_maximized && !video_mode.fullscreen && !just_exited_fullscreen && !entering_fullscreen) {
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windowed_size.width = canvas[0];
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windowed_size.height = canvas[1];
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}
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return Main::iteration();
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}
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void OS_JavaScript::delete_main_loop() {
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memdelete(main_loop);
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main_loop = NULL;
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}
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void OS_JavaScript::finalize() {
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memdelete(input);
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visual_server->finish();
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emscripten_webgl_commit_frame();
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memdelete(visual_server);
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emscripten_webgl_destroy_context(webgl_ctx);
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if (audio_driver_javascript) {
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memdelete(audio_driver_javascript);
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}
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}
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// Miscellaneous
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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) {
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Array args;
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for (const List<String>::Element *E = p_arguments.front(); E; E = E->next()) {
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args.push_back(E->get());
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}
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String json_args = JSON::print(args);
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int failed = godot_js_os_execute(json_args.utf8().get_data());
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ERR_FAIL_COND_V_MSG(failed, ERR_UNAVAILABLE, "OS::execute() must be implemented in Javascript via 'engine.setOnExecute' if required.");
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return OK;
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}
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Error OS_JavaScript::kill(const ProcessID &p_pid) {
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ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "OS::kill() is not available on the HTML5 platform.");
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}
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int OS_JavaScript::get_process_id() const {
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ERR_FAIL_V_MSG(0, "OS::get_process_id() is not available on the HTML5 platform.");
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}
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bool OS_JavaScript::_check_internal_feature_support(const String &p_feature) {
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if (p_feature == "HTML5" || p_feature == "web") {
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return true;
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}
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#ifdef JAVASCRIPT_EVAL_ENABLED
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if (p_feature == "JavaScript") {
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return true;
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}
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#endif
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#ifndef NO_THREADS
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if (p_feature == "threads") {
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return true;
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}
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#endif
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#if WASM_GDNATIVE
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if (p_feature == "wasm32") {
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return true;
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}
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#endif
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return false;
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}
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void OS_JavaScript::alert(const String &p_alert, const String &p_title) {
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godot_js_display_alert(p_alert.utf8().get_data());
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}
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void OS_JavaScript::set_window_title(const String &p_title) {
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godot_js_display_window_title_set(p_title.utf8().get_data());
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}
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void OS_JavaScript::set_icon(const Ref<Image> &p_icon) {
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ERR_FAIL_COND(p_icon.is_null());
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Ref<Image> icon = p_icon;
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if (icon->is_compressed()) {
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icon = icon->duplicate();
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ERR_FAIL_COND(icon->decompress() != OK);
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}
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if (icon->get_format() != Image::FORMAT_RGBA8) {
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if (icon == p_icon)
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icon = icon->duplicate();
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icon->convert(Image::FORMAT_RGBA8);
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}
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png_image png_meta;
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memset(&png_meta, 0, sizeof png_meta);
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png_meta.version = PNG_IMAGE_VERSION;
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png_meta.width = icon->get_width();
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png_meta.height = icon->get_height();
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png_meta.format = PNG_FORMAT_RGBA;
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PoolByteArray png;
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size_t len;
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PoolByteArray::Read r = icon->get_data().read();
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ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, r.ptr(), 0, NULL));
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png.resize(len);
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PoolByteArray::Write w = png.write();
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ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, w.ptr(), &len, 0, r.ptr(), 0, NULL));
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w = PoolByteArray::Write();
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r = png.read();
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godot_js_display_window_icon_set(r.ptr(), len);
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}
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String OS_JavaScript::get_executable_path() const {
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return OS::get_executable_path();
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}
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Error OS_JavaScript::shell_open(String p_uri) {
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// Open URI in a new tab, browser will deal with it by protocol.
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godot_js_os_shell_open(p_uri.utf8().get_data());
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return OK;
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}
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String OS_JavaScript::get_name() const {
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return "HTML5";
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}
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bool OS_JavaScript::can_draw() const {
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return true; // Always?
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}
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String OS_JavaScript::get_user_data_dir() const {
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return "/userfs";
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};
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String OS_JavaScript::get_cache_path() const {
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return "/home/web_user/.cache";
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}
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String OS_JavaScript::get_config_path() const {
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return "/home/web_user/.config";
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}
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String OS_JavaScript::get_data_path() const {
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return "/home/web_user/.local/share";
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}
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OS::PowerState OS_JavaScript::get_power_state() {
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WARN_PRINT_ONCE("Power management is not supported for the HTML5 platform, defaulting to POWERSTATE_UNKNOWN");
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return OS::POWERSTATE_UNKNOWN;
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}
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int OS_JavaScript::get_power_seconds_left() {
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WARN_PRINT_ONCE("Power management is not supported for the HTML5 platform, defaulting to -1");
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return -1;
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}
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int OS_JavaScript::get_power_percent_left() {
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WARN_PRINT_ONCE("Power management is not supported for the HTML5 platform, defaulting to -1");
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return -1;
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}
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void OS_JavaScript::file_access_close_callback(const String &p_file, int p_flags) {
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OS_JavaScript *os = get_singleton();
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if (!(os->is_userfs_persistent() && p_flags & FileAccess::WRITE)) {
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return; // FS persistence is not working or we are not writing.
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}
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bool is_file_persistent = p_file.begins_with("/userfs");
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#ifdef TOOLS_ENABLED
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// Hack for editor persistence (can we track).
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is_file_persistent = is_file_persistent || p_file.begins_with("/home/web_user/");
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#endif
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if (is_file_persistent) {
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os->idb_needs_sync = true;
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}
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}
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bool OS_JavaScript::is_userfs_persistent() const {
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return idb_available;
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}
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Error OS_JavaScript::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
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String path = p_path.get_file();
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p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW);
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ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ". Error: " + dlerror());
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return OK;
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}
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OS_JavaScript *OS_JavaScript::get_singleton() {
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return static_cast<OS_JavaScript *>(OS::get_singleton());
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}
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OS_JavaScript::OS_JavaScript() {
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// Expose method for requesting quit.
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godot_js_os_request_quit_cb(&request_quit_callback);
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// Set canvas ID
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godot_js_config_canvas_id_get(canvas_id, sizeof(canvas_id));
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cursor_inside_canvas = true;
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cursor_shape = OS::CURSOR_ARROW;
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last_click_button_index = -1;
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last_click_ms = 0;
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last_click_pos = Point2(-100, -100);
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last_width = 0;
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last_height = 0;
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window_maximized = false;
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entering_fullscreen = false;
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just_exited_fullscreen = false;
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transparency_enabled = false;
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main_loop = NULL;
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visual_server = NULL;
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audio_driver_javascript = NULL;
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swap_ok_cancel = false;
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idb_available = godot_js_os_fs_is_persistent() != 0;
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idb_needs_sync = false;
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idb_is_syncing = false;
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if (AudioDriverJavaScript::is_available()) {
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audio_driver_javascript = memnew(AudioDriverJavaScript);
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AudioDriverManager::add_driver(audio_driver_javascript);
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}
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Vector<Logger *> loggers;
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loggers.push_back(memnew(StdLogger));
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_set_logger(memnew(CompositeLogger(loggers)));
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FileAccessUnix::close_notification_func = file_access_close_callback;
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}
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