/*
 * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
 * Copyright (C) 2015  Dark Storm
 * Copyright (C) 2022  Mibi88
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see https://www.gnu.org/licenses/.
 */

#include "includes.h"

int selection, stat;

extern bopti_image_t title;
extern bopti_image_t game_over;
extern bopti_image_t you_won;
extern bopti_image_t menu_play;
extern bopti_image_t menu_play_inv;
extern bopti_image_t menu_quit;
extern bopti_image_t menu_quit_inv;

extern font_t milifont;

extern Ship ship;

void waitkey(int key){
	clearevents();
	while(keydown(key)){
		clearevents();
	}
}

void end(){
	dclear(C_WHITE);
	if(stat == 0){
		dimage(0, 0, &game_over);
	}else if(stat == 1){
		dimage(0, 0, &you_won);
	}
	dprint_opt(57, 30, C_BLACK, C_WHITE, DTEXT_LEFT, DTEXT_TOP, "Score : %d", ship.score);
	if(stat == 0 || stat == 1){
		dupdate();
		stat = 0;
		clearevents();
		while(!keydown(KEY_EXIT)){
			clearevents();
			if(keydown(KEY_SHIFT))
				break;
			clearevents();
			if(keydown(KEY_EXE))
				break;
			clearevents();
		}
	}else{
		return;
	}
}

int main(void)
{
	dfont(&milifont);
	selection = PLAY;
	stat = 0;
	while(1){
		dclear(C_WHITE);
		if(selection != PLAY){
			dimage(70, 22, &menu_play);
		}else{
			dimage(70, 22, &menu_play_inv);
		}
		if(selection != QUIT){
			dimage(70, 32, &menu_quit);
		}else{
			dimage(70, 32, &menu_quit_inv);
		}
		clearevents();
		if(keydown(KEY_SHIFT) || keydown(KEY_EXE)){
			if(selection == PLAY){
				play_game();
				end();
				waitkey(KEY_SHIFT);
				waitkey(KEY_EXE);
				selection = PLAY;
				stat = 0;
			}else if(selection == QUIT){
				return 1;
			}
			waitkey(KEY_SHIFT);
			waitkey(KEY_EXE);
		}else if(keydown(KEY_UP)){
			if(selection != 0){
				selection--;
			}else{
				selection = MENU_MAX;
			}
			waitkey(KEY_UP);
		}else if(keydown(KEY_DOWN)){
			if(selection != MENU_MAX){
				selection++;
			}else{
				selection = 0;
			}
			waitkey(KEY_DOWN);
		}
		dimage(0, 0, &title);
		dupdate();
	}
	return 1;
}