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			212 lines
		
	
	
	
		
			6.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			212 lines
		
	
	
	
		
			6.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*************************************************************************/
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/*  javascript_main.cpp                                                  */
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/*************************************************************************/
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/*                       This file is part of:                           */
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/*                           GODOT ENGINE                                */
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/*                    http://www.godotengine.org                         */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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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 <GL/glut.h>
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#include "os_javascript.h"
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#include "main/main.h"
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#include "io/resource_loader.h"
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#include "emscripten.h"
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#include <string.h>
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OS_JavaScript *os=NULL;
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static void _gfx_init(void *ud,bool gl2,int w, int h,bool fs) {
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	glutInitWindowSize(w, h);
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	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
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	glutCreateWindow("godot");
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}
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static uint32_t _mouse_button_mask=0;
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static void _glut_mouse_button(int button, int state, int x, int y) {
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	InputEvent ev;
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	ev.type=InputEvent::MOUSE_BUTTON;
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	switch(button) {
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		case GLUT_LEFT_BUTTON: ev.mouse_button.button_index=BUTTON_LEFT; break;
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		case GLUT_MIDDLE_BUTTON: ev.mouse_button.button_index=BUTTON_MIDDLE; break;
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		case GLUT_RIGHT_BUTTON: ev.mouse_button.button_index=BUTTON_RIGHT; break;
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		case 3: ev.mouse_button.button_index=BUTTON_WHEEL_UP; break;
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		case 4: ev.mouse_button.button_index=BUTTON_WHEEL_DOWN; break;
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	}
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	ev.mouse_button.pressed=state==GLUT_DOWN;
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	ev.mouse_button.x=x;
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	ev.mouse_button.y=y;
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	ev.mouse_button.global_x=x;
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	ev.mouse_button.global_y=y;
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	if (ev.mouse_button.button_index<4) {
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		if (ev.mouse_button.pressed) {
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			_mouse_button_mask |= 1 << (ev.mouse_button.button_index-1);
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		} else {
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			_mouse_button_mask &= ~(1 << (ev.mouse_button.button_index-1));
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		}
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	}
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	ev.mouse_button.button_mask=_mouse_button_mask;
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	uint32_t m = glutGetModifiers();
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	ev.mouse_button.mod.alt=(m&GLUT_ACTIVE_ALT)!=0;
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	ev.mouse_button.mod.shift=(m&GLUT_ACTIVE_SHIFT)!=0;
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	ev.mouse_button.mod.control=(m&GLUT_ACTIVE_CTRL)!=0;
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	os->push_input(ev);
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	if (ev.mouse_button.button_index==BUTTON_WHEEL_UP || ev.mouse_button.button_index==BUTTON_WHEEL_DOWN) {
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		// GLUT doesn't send release events for mouse wheel, so send manually
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		ev.mouse_button.pressed=false;
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		os->push_input(ev);
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	}
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}
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static int _glut_prev_x=0;
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static int _glut_prev_y=0;
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static void _glut_mouse_motion(int x, int y) {
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	InputEvent ev;
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	ev.type=InputEvent::MOUSE_MOTION;
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	ev.mouse_motion.button_mask=_mouse_button_mask;
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	ev.mouse_motion.x=x;
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	ev.mouse_motion.y=y;
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	ev.mouse_motion.global_x=x;
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	ev.mouse_motion.global_y=y;
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	ev.mouse_motion.relative_x=x-_glut_prev_x;
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	ev.mouse_motion.relative_y=y-_glut_prev_y;
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	_glut_prev_x=x;
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	_glut_prev_y=y;
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	uint32_t m = glutGetModifiers();
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	ev.mouse_motion.mod.alt=(m&GLUT_ACTIVE_ALT)!=0;
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	ev.mouse_motion.mod.shift=(m&GLUT_ACTIVE_SHIFT)!=0;
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	ev.mouse_motion.mod.control=(m&GLUT_ACTIVE_CTRL)!=0;
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	os->push_input(ev);
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}
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static void _gfx_idle() {
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	glutPostRedisplay();
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}
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int start_step=0;
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static void _godot_draw(void) {
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	if (start_step==1) {
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		start_step=2;
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		Main::start();
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		 os->main_loop_begin();
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	}
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	if (start_step==2) {
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		os->main_loop_iterate();
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	}
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	glutSwapBuffers();
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}
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extern "C" {
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void main_after_fs_sync() {
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	start_step=1;
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}
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}
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int main(int argc, char *argv[]) {
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	/* Initialize the window */
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	printf("let it go!\n");
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	glutInit(&argc, argv);
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	os = new OS_JavaScript(_gfx_init,NULL,NULL);
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#if 0
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	char *args[]={"-test","gui","-v",NULL};
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	Error err  = Main::setup("apk",3,args);
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#else
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	//char *args[]={"-v",NULL};//
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	//Error err  = Main::setup("",1,args);
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	Error err  = Main::setup("",0,NULL);
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#endif
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	ResourceLoader::set_abort_on_missing_resources(false); //ease up compatibility
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	glutMouseFunc(_glut_mouse_button);
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	glutMotionFunc(_glut_mouse_motion);
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	glutPassiveMotionFunc(_glut_mouse_motion);
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   /* Set up glut callback functions */
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	glutIdleFunc (_gfx_idle);
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//   glutReshapeFunc(gears_reshape);
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	glutDisplayFunc(_godot_draw);
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   //glutSpecialFunc(gears_special);
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	//mount persistent file system
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	EM_ASM(
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		FS.mkdir('/userfs');
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		FS.mount(IDBFS, {}, '/userfs');
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		// sync from persistent state into memory and then
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		// run the 'main_after_fs_sync' function
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		FS.syncfs(true, function(err) {
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			if (err) {
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				Module.setStatus('Failed to load persistent data\nPlease allow (third-party) cookies');
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				Module.printErr('Failed to populate IDB file system: ' + err.message);
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				Module.exit();
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			} else {
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				Module.print('Successfully populated IDB file system');
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				ccall('main_after_fs_sync', 'void', []);
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			}
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		});
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	);
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	glutMainLoop();
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	return 0;
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}
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/*
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 *
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 *09] <azakai|2__> reduz: yes, define  TOTAL_MEMORY on Module. for example             var Module = { TOTAL_MEMORY: 12345.. };         before the main
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 *
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 */
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