nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@0: #include <assert.h>
nuclear@0: #ifdef __APPLE__
nuclear@0: #include <GLUT/glut.h>
nuclear@0: #else
nuclear@0: #include <GL/glut.h>
nuclear@0: #endif
nuclear@0: #include "game.h"
nuclear@0: #include "opt.h"
nuclear@0: 
nuclear@0: static void display();
nuclear@0: static void idle();
nuclear@0: static void reshape(int x, int y);
nuclear@0: static void keydown(unsigned char key, int x, int y);
nuclear@0: static void keyup(unsigned char key, int x, int y);
nuclear@0: static void mouse(int bn, int st, int x, int y);
nuclear@0: static void motion(int x, int y);
nuclear@0: static void update_modifiers();
nuclear@0: 
nuclear@0: static unsigned int start_time;
nuclear@0: 
nuclear@0: int main(int argc, char **argv)
nuclear@0: {
nuclear@0: 	glutInit(&argc, argv);
nuclear@0: 	if(!init_options(argc, argv)) {
nuclear@0: 		return 1;
nuclear@0: 	}
nuclear@0: 	glutInitWindowSize(opt.xres, opt.yres);
nuclear@0: 	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | GLUT_MULTISAMPLE);
nuclear@0: 	glutCreateWindow("umonster");
nuclear@0: 
nuclear@0: 	if(opt.fullscreen) {
nuclear@0: 		set_fullscreen(true);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	glutDisplayFunc(display);
nuclear@0: 	glutIdleFunc(idle);
nuclear@0: 	glutReshapeFunc(reshape);
nuclear@0: 	glutKeyboardFunc(keydown);
nuclear@0: 	glutKeyboardUpFunc(keyup);
nuclear@0: 	glutMouseFunc(mouse);
nuclear@0: 	glutMotionFunc(motion);
nuclear@0: 	glutPassiveMotionFunc(motion);
nuclear@0: 
nuclear@0: 	if(!game_init()) {
nuclear@0: 		return 1;
nuclear@0: 	}
nuclear@0: 	atexit(game_cleanup);
nuclear@0: 
nuclear@0: 	start_time = glutGet(GLUT_ELAPSED_TIME);
nuclear@0: 	glutMainLoop();
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: void set_fullscreen(bool fs)
nuclear@0: {
nuclear@0: 	if(fs) {
nuclear@0: 		glutFullScreen();
nuclear@0: 	} else {
nuclear@0: 		glutReshapeWindow(opt.xres, opt.yres);
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: void redisplay()
nuclear@0: {
nuclear@0: 	glutPostRedisplay();
nuclear@0: }
nuclear@0: 
nuclear@0: void quit()
nuclear@0: {
nuclear@0: 	exit(0);
nuclear@0: }
nuclear@0: 
nuclear@0: void draw_teapot()
nuclear@0: {
nuclear@0: 	glFrontFace(GL_CW);
nuclear@0: 	glutSolidTeapot(1.0);
nuclear@0: 	glFrontFace(GL_CCW);
nuclear@0: }
nuclear@0: 
nuclear@0: static void display()
nuclear@0: {
nuclear@0: 	unsigned int msec = glutGet(GLUT_ELAPSED_TIME) - start_time;
nuclear@0: 	game_update(msec);
nuclear@0: 
nuclear@0: 	game_display();
nuclear@0: 
nuclear@0: 	glutSwapBuffers();
nuclear@0: 	assert(glGetError() == GL_NO_ERROR);
nuclear@0: }
nuclear@0: 
nuclear@0: static void idle()
nuclear@0: {
nuclear@0: 	glutPostRedisplay();
nuclear@0: }
nuclear@0: 
nuclear@0: static void reshape(int x, int y)
nuclear@0: {
nuclear@0: 	win_width = x;
nuclear@0: 	win_height = y;
nuclear@0: 	game_reshape(x, y);
nuclear@0: }
nuclear@0: 
nuclear@0: static void keydown(unsigned char key, int x, int y)
nuclear@0: {
nuclear@0: 	update_modifiers();
nuclear@0: 	game_keyboard(key, true);
nuclear@0: }
nuclear@0: 
nuclear@0: static void keyup(unsigned char key, int x, int y)
nuclear@0: {
nuclear@0: 	update_modifiers();
nuclear@0: 	game_keyboard(key, false);
nuclear@0: }
nuclear@0: 
nuclear@0: static void mouse(int bn, int st, int x, int y)
nuclear@0: {
nuclear@0: 	update_modifiers();
nuclear@0: 	game_mbutton(bn - GLUT_LEFT_BUTTON, st == GLUT_DOWN, x, y);
nuclear@0: }
nuclear@0: 
nuclear@0: static void motion(int x, int y)
nuclear@0: {
nuclear@0: 	game_mmotion(x, y);
nuclear@0: }
nuclear@0: 
nuclear@0: static void update_modifiers()
nuclear@0: {
nuclear@0: 	static unsigned int prev_mod;
nuclear@0: 	unsigned int mod = glutGetModifiers();
nuclear@0: 	unsigned int delta = mod ^ prev_mod;
nuclear@0: 
nuclear@0: 	if(delta & GLUT_ACTIVE_SHIFT) {
nuclear@0: 		bool press = (mod & GLUT_ACTIVE_SHIFT) != 0;
nuclear@0: 		game_modifier_key(MOD_SHIFT, press);
nuclear@0: 	}
nuclear@0: 	if(delta & GLUT_ACTIVE_CTRL) {
nuclear@0: 		bool press = (mod & GLUT_ACTIVE_CTRL) != 0;
nuclear@0: 		game_modifier_key(MOD_CTL, press);
nuclear@0: 	}
nuclear@0: 	if(delta & GLUT_ACTIVE_ALT) {
nuclear@0: 		bool press = (mod & GLUT_ACTIVE_ALT) != 0;
nuclear@0: 		game_modifier_key(MOD_ALT, press);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	prev_mod = mod;
nuclear@0: }