/*************************************************************************/ /* javascript_main.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2017 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 */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "emscripten.h" #include "io/resource_loader.h" #include "main/main.h" #include "os_javascript.h" #include #include OS_JavaScript *os = NULL; static void _gfx_init(void *ud, bool gl2, int w, int h, bool fs) { glutInitWindowSize(w, h); glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); glutCreateWindow("godot"); } static uint32_t _mouse_button_mask = 0; static void _glut_mouse_button(int button, int state, int x, int y) { InputEvent ev; ev.type = InputEvent::MOUSE_BUTTON; switch (button) { case GLUT_LEFT_BUTTON: ev.mouse_button.button_index = BUTTON_LEFT; break; case GLUT_MIDDLE_BUTTON: ev.mouse_button.button_index = BUTTON_MIDDLE; break; case GLUT_RIGHT_BUTTON: ev.mouse_button.button_index = BUTTON_RIGHT; break; case 3: ev.mouse_button.button_index = BUTTON_WHEEL_UP; break; case 4: ev.mouse_button.button_index = BUTTON_WHEEL_DOWN; break; } ev.mouse_button.pressed = state == GLUT_DOWN; ev.mouse_button.x = x; ev.mouse_button.y = y; ev.mouse_button.global_x = x; ev.mouse_button.global_y = y; if (ev.mouse_button.button_index < 4) { if (ev.mouse_button.pressed) { _mouse_button_mask |= 1 << (ev.mouse_button.button_index - 1); } else { _mouse_button_mask &= ~(1 << (ev.mouse_button.button_index - 1)); } } ev.mouse_button.button_mask = _mouse_button_mask; uint32_t m = glutGetModifiers(); ev.mouse_button.mod.alt = (m & GLUT_ACTIVE_ALT) != 0; ev.mouse_button.mod.shift = (m & GLUT_ACTIVE_SHIFT) != 0; ev.mouse_button.mod.control = (m & GLUT_ACTIVE_CTRL) != 0; os->push_input(ev); if (ev.mouse_button.button_index == BUTTON_WHEEL_UP || ev.mouse_button.button_index == BUTTON_WHEEL_DOWN) { // GLUT doesn't send release events for mouse wheel, so send manually ev.mouse_button.pressed = false; os->push_input(ev); } } static int _glut_prev_x = 0; static int _glut_prev_y = 0; static void _glut_mouse_motion(int x, int y) { InputEvent ev; ev.type = InputEvent::MOUSE_MOTION; ev.mouse_motion.button_mask = _mouse_button_mask; ev.mouse_motion.x = x; ev.mouse_motion.y = y; ev.mouse_motion.global_x = x; ev.mouse_motion.global_y = y; ev.mouse_motion.relative_x = x - _glut_prev_x; ev.mouse_motion.relative_y = y - _glut_prev_y; _glut_prev_x = x; _glut_prev_y = y; uint32_t m = glutGetModifiers(); ev.mouse_motion.mod.alt = (m & GLUT_ACTIVE_ALT) != 0; ev.mouse_motion.mod.shift = (m & GLUT_ACTIVE_SHIFT) != 0; ev.mouse_motion.mod.control = (m & GLUT_ACTIVE_CTRL) != 0; os->push_input(ev); } static void _gfx_idle() { glutPostRedisplay(); } int start_step = 0; static void _godot_draw(void) { if (start_step == 1) { start_step = 2; Main::start(); os->main_loop_begin(); } if (start_step == 2) { os->main_loop_iterate(); } glutSwapBuffers(); } extern "C" { void main_after_fs_sync() { start_step = 1; } } int main(int argc, char *argv[]) { /* Initialize the window */ printf("let it go dude!\n"); glutInit(&argc, argv); os = new OS_JavaScript(argv[0], _gfx_init, NULL, NULL); Error err = Main::setup(argv[0], argc - 1, &argv[1]); ResourceLoader::set_abort_on_missing_resources(false); //ease up compatibility glutMouseFunc(_glut_mouse_button); glutMotionFunc(_glut_mouse_motion); glutPassiveMotionFunc(_glut_mouse_motion); /* Set up glut callback functions */ glutIdleFunc(_gfx_idle); // glutReshapeFunc(gears_reshape); glutDisplayFunc(_godot_draw); //glutSpecialFunc(gears_special); //mount persistent file system /* clang-format off */ EM_ASM( FS.mkdir('/userfs'); FS.mount(IDBFS, {}, '/userfs'); // sync from persistent state into memory and then // run the 'main_after_fs_sync' function FS.syncfs(true, function(err) { if (err) { Module.setStatus('Failed to load persistent data\nPlease allow (third-party) cookies'); Module.printErr('Failed to populate IDB file system: ' + err.message); Module.exit(); } else { Module.print('Successfully populated IDB file system'); ccall('main_after_fs_sync', 'void', []); } }); ); /* clang-format on */ glutMainLoop(); return 0; } /* * *09] reduz: yes, define TOTAL_MEMORY on Module. for example var Module = { TOTAL_MEMORY: 12345.. }; before the main * */