Game.cpp

#include "Game.h"
#include "Windows.h"
#include <conio.h>
#include <iostream>

using namespace std;

Game::Game() {
	
	_mapGame = new Map();
	
	_mapGame->DisPlayMap();
	_apple = new Apple(_mapGame);
	_snake = new Snake(_mapGame);
	_snake->DisPlaySnake();
	_score = 0;
}

void Game::Loop() {
	_apple->GeneratePosition();
	DisplayScore();
	while (1) {
		CheckKey();
		_snake->Move();
		if(_snake->_status == -1) break;
		if(CheckSnakeEatApple())
		DisplayScore();
		Sleep(100);
	}

	if(system("CLS")) system("clear");
	gotoxy(0, 0);
	cout << "Game over, your score: " << _score << endl;
	system("pause");

}

void Game::CheckKey() {
	if (_kbhit()) {
		int tmp = _getch();
		if (tmp == (int)KEY_UP) {
			if(_snake->_dir != DOWN) 
				_snake->_dir = UP;
		}
		else if (tmp == (int)KEY_DOWN) {
			if (_snake->_dir != UP)
				_snake->_dir = DOWN;
		}
		else if (tmp == (int)KEY_LEFT) {
			if (_snake->_dir != RIGHT)
				_snake->_dir = LEFT;
		}
		else if (tmp == (int)KEY_RIGHT) {
			if (_snake->_dir != LEFT)
				_snake->_dir = RIGHT;
		}
	}
}

bool Game::CheckSnakeEatApple(){
	Point headSnake = _snake->_body.front();
	if (headSnake._x == _apple->_pos._x && headSnake._y == _apple->_pos._y){
		_snake->_status = 1;
		//do {
			_apple->GeneratePosition();
		//}
		//while(1);
		_score++;
		return true;
	}
	_snake->_status = 0;
	return false;
}

Game::~Game(){
	delete _mapGame;
	delete _apple;
	delete _snake;
}

void Game::DisplayScore(){
	gotoxy(_mapGame->_w+1, 0);
	cout << "Your score: " << _score;
}