diff options
Diffstat (limited to 'platform/javascript/javascript_main.cpp')
| -rw-r--r-- | platform/javascript/javascript_main.cpp | 114 |
1 files changed, 33 insertions, 81 deletions
diff --git a/platform/javascript/javascript_main.cpp b/platform/javascript/javascript_main.cpp index a30d84a52c..40771d1882 100644 --- a/platform/javascript/javascript_main.cpp +++ b/platform/javascript/javascript_main.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -36,6 +36,8 @@ #include <emscripten/emscripten.h> #include <stdlib.h> +#include "godot_js.h" + static OS_JavaScript *os = nullptr; static uint64_t target_ticks = 0; @@ -48,6 +50,10 @@ void exit_callback() { emscripten_force_exit(exit_code); // No matter that we call cancel_main_loop, regular "exit" will not work, forcing. } +void cleanup_after_sync() { + emscripten_set_main_loop(exit_callback, -1, false); +} + void main_loop_callback() { uint64_t current_ticks = os->get_ticks_usec(); @@ -60,98 +66,44 @@ void main_loop_callback() { int target_fps = Engine::get_singleton()->get_target_fps(); if (target_fps > 0) { + if (current_ticks - target_ticks > 1000000) { + // When the window loses focus, we stop getting updates and accumulate delay. + // For this reason, if the difference is too big, we reset target ticks to the current ticks. + target_ticks = current_ticks; + } target_ticks += (uint64_t)(1000000 / target_fps); } if (os->main_loop_iterate()) { - emscripten_cancel_main_loop(); // Cancel current loop and wait for finalize_async. - /* clang-format off */ - EM_ASM({ - // This will contain the list of operations that need to complete before cleanup. - Module.async_finish = [ - // Always contains at least one async promise, to avoid firing immediately if nothing is added. - new Promise(function(accept, reject) { - setTimeout(accept, 0); - }) - ]; - }); - /* clang-format on */ - os->get_main_loop()->finish(); - os->finalize_async(); // Will add all the async finish functions. - EM_ASM({ - Promise.all(Module.async_finish).then(function() { - Module.async_finish = []; - ccall("cleanup_after_sync", null, []); - }); - }); + emscripten_cancel_main_loop(); // Cancel current loop and wait for cleanup_after_sync. + godot_js_os_finish_async(cleanup_after_sync); } } -extern "C" EMSCRIPTEN_KEEPALIVE void cleanup_after_sync() { - emscripten_set_main_loop(exit_callback, -1, false); -} +/// When calling main, it is assumed FS is setup and synced. +extern EMSCRIPTEN_KEEPALIVE int godot_js_main(int argc, char *argv[]) { + os = new OS_JavaScript(); + + // We must override main when testing is enabled + TEST_MAIN_OVERRIDE + + Main::setup(argv[0], argc - 1, &argv[1]); -extern "C" EMSCRIPTEN_KEEPALIVE void main_after_fs_sync(char *p_idbfs_err) { - String idbfs_err = String::utf8(p_idbfs_err); - if (!idbfs_err.empty()) { - print_line("IndexedDB not available: " + idbfs_err); - } - os->set_idb_available(idbfs_err.empty()); - // TODO: Check error return value. - Main::setup2(); // Manual second phase. // Ease up compatibility. ResourceLoader::set_abort_on_missing_resources(false); + Main::start(); - os->get_main_loop()->init(); + os->get_main_loop()->initialize(); +#ifdef TOOLS_ENABLED + if (Main::is_project_manager() && FileAccess::exists("/tmp/preload.zip")) { + PackedStringArray ps; + ps.push_back("/tmp/preload.zip"); + os->get_main_loop()->emit_signal("files_dropped", ps, -1); + } +#endif + emscripten_set_main_loop(main_loop_callback, -1, false); // Immediately run the first iteration. // We are inside an animation frame, we want to immediately draw on the newly setup canvas. main_loop_callback(); - emscripten_resume_main_loop(); -} - -int main(int argc, char *argv[]) { - // Create and mount userfs immediately. - EM_ASM({ - FS.mkdir('/userfs'); - FS.mount(IDBFS, {}, '/userfs'); - }); - - // Configure locale. - char locale_ptr[16]; - /* clang-format off */ - EM_ASM({ - stringToUTF8(Module['locale'], $0, 16); - }, locale_ptr); - /* clang-format on */ - setenv("LANG", locale_ptr, true); - - // Ensure the canvas ID. - /* clang-format off */ - EM_ASM({ - stringToUTF8("#" + Module['canvas'].id, $0, 255); - }, DisplayServerJavaScript::canvas_id); - /* clang-format on */ - - os = new OS_JavaScript(); - - // We must override main when testing is enabled - TEST_MAIN_OVERRIDE - - Main::setup(argv[0], argc - 1, &argv[1], false); - emscripten_set_main_loop(main_loop_callback, -1, false); - emscripten_pause_main_loop(); // Will need to wait for FS sync. - - // Sync from persistent state into memory and then - // run the 'main_after_fs_sync' function. - /* clang-format off */ - EM_ASM({ - FS.syncfs(true, function(err) { - requestAnimationFrame(function() { - ccall('main_after_fs_sync', null, ['string'], [err ? err.message : ""]); - }); - }); - }); - /* clang-format on */ return 0; - // Continued async in main_after_fs_sync() from the syncfs() callback. } |