dsada

#include <iostream>
#include <fstream>
#include <stdio.h>
#include <dos.h>
#include <Windows.h>
#include <string.h>
#include <conio.h>
#include <cstdlib>
#include <ctime>
#include <thread>
#include "function.h"
#define MAX_SIZE_SNAKE 100
#define MAX_SIZE_FOOD 4
#define MAX_SPEED 3
#define POINT_EACH_FOOD 10
#define TOCDO 100
using namespace std;
// global variables
POINT snake[MAX_SIZE_SNAKE];
POINT food[MAX_SIZE_FOOD];
POINT porch[5] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } };
int CHAR_LOCK;
int MOVING;
int SPEED;
int HEIGH_CONSOLE, WIDTH_CONSOLE;
int FOOD_INDEX;
int SIZE_SNAKE;
int STATE;
int x_coordinate, y_coordinate;
int LEVEL = 1, SCORE;
char name[50], ID[50], filename[50];
int len, apple, initlen;
char temp;
int idx;

void DrawPorch(char c)
{
	for (int i = 0; i < 5; i++)
	{
		gotoxy(porch[i].x, porch[i].y);
		printf("%c", c);
	}
	if (c == ' ')
		memset(porch, 0, sizeof(porch));
}
bool IsValid(int x, int y)
{
	for (int i = 0; i < SIZE_SNAKE; i++)
		if (snake[i].x == x && snake[i].y == y)
			return false;
	return true;
}
bool isFoodPosition(int x, int y)
{
	for (int i = 0; i < MAX_SIZE_FOOD; i++)
	{
		if (x == food[i].x && y == food[i].y)
			return true;
	}
	return false;
}
bool isVaLid_PorchPostiton(int x, int y)
{
	if (!IsValid(x - 1, y - 1) || !IsValid(x, y - 1) || !IsValid(x + 1, y - 1)
		|| !IsValid(x - 1, y) || !IsValid(x + 1, y))
		return false;
	return true;
}
void GenerateFood()
{
	int x, y;
	for (int i = 0; i < MAX_SIZE_FOOD;  i++)
	{
		do
		{
			x = x_coordinate + rand() % (WIDTH_CONSOLE - 4) + 2;
			y = y_coordinate + rand() % (HEIGH_CONSOLE - 4) + 2;

		} while (IsValid(x, y) == false);
		food[i] = { x, y };
	}
}
// tao cong
void CreatePorch()
{
	int x, y;
	for (int i = 0;; i++)
	{
		x = x_coordinate + rand() % (WIDTH_CONSOLE - 6) + 2;
		y = y_coordinate + rand() % (HEIGH_CONSOLE - 6) + 2;
		if (IsValid(x - 1, y - 1) && IsValid(x, y - 1) && IsValid(x + 1, y - 1) && IsValid(x - 1, y) && IsValid(x + 1, y))
		{
			if (!isFoodPosition(x - 1, y - 1) && !isFoodPosition(x, y - 1) && !isFoodPosition(x + 1, y - 1) && !isFoodPosition(x-1,y)
				&& !isFoodPosition(x+1,y))
				break;
		}
	}
	porch[0] = { x - 1, y };
	porch[1] = { x - 1, y - 1 };
	porch[2] = { x, y - 1 };
	porch[3] = { x + 1, y - 1 };
	porch[4] = { x + 1, y };
}
void ResetData()
{
	// khoi tao gia tri toan cuc
	CHAR_LOCK = 'A', MOVING = 'D', SPEED = 1; FOOD_INDEX = 0, WIDTH_CONSOLE = 70, HEIGH_CONSOLE = 20, SIZE_SNAKE = 6;
	apple = 0; SCORE = 0; LEVEL = 1; idx = 0, len = initlen;
	// khoi tao gia tri mac dinh cho snake
	snake[0] = { 10+x_coordinate, 5+y_coordinate }; snake[1] = { 11+x_coordinate, 5+y_coordinate };
	snake[2] = { 12+x_coordinate, 5+y_coordinate }; snake[3] = { 13+x_coordinate, 5+y_coordinate };
	snake[4] = { 14+x_coordinate, 5+y_coordinate }; snake[5] = { 15+x_coordinate, 5+y_coordinate };
	GenerateFood();
	// tao mang thuc an food
}
void StartGame()
{
	system("cls"); // xoa man hinh
	TextColor(9);
	DrawBoard(x_coordinate, y_coordinate, WIDTH_CONSOLE, HEIGH_CONSOLE);
	TextColor(14);
	gotoxy(x_coordinate+25, 1);
	printf("***** SNAKE GAME *****");
	gotoxy(x_coordinate + 18, 2);
	printf("------------------------------------");
	gotoxy(x_coordinate + WIDTH_CONSOLE - 10, 3);
	printf("LEVEL: %d", LEVEL);
	gotoxy(x_coordinate + WIDTH_CONSOLE - 10, 4);
	printf("SCORE: %d", SCORE);
	gotoxy(x_coordinate, 4);
	printf("SNAKE: %s", ID);
	gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 5);
	printf("\t\t\tLuat choi");
	gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 6);
	printf("%c 'W'-Len 'S'-Xuong  'A'-Trai  'D'-Phai", 254);
	gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 7);
	printf("%c 'P'-Dung game  'Esc'-Thoat game", 254);
	gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 8);
	printf("%c 'L'-Luu Game  'T'-Tai Game", 254);
	gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 9);
	printf("%c Khi an het 4 thuc an se xuat hien 1 cong", 254);
	gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 10);
	printf("SNAKE quay ve va tang cap do va toc do");
	TextColor(230);
	if (porch[0].x != 0 && porch[0].y != 0)
	{
		char c = (char)176;
		DrawPorch(c);
	}
	TextColor(7);
	STATE = 1; // bat dau cho thread chay
}
bool checktouchPorch() // kiem tra xem co dung cong khong
{
	for (int i = 0; i < SIZE_SNAKE; i++)
	{
		for (int j = 0; j < 5; j++)
		{
			if (porch[j].x == snake[i].x && porch[j].y == snake[i].y)
				return true;
		}
	}
	return false;
}
void ExitGame(HANDLE t)
{
	system("cls");
	TerminateThread(t, 0);

}
void PauseGame(HANDLE t)
{
	SuspendThread(t);
}

void Eat()
{
	apple++;
	// xu ly chuoi snack la MSSV
	name[len] = name[idx++];
	len++;
	name[len] = '\0';
	snake[SIZE_SNAKE] = food[FOOD_INDEX];
	SIZE_SNAKE++;
	if (FOOD_INDEX == MAX_SIZE_FOOD - 1)
	{
		FOOD_INDEX = 0;
		GenerateFood();
		CreatePorch();
		TextColor(230);
		char c = (char)176;
		DrawPorch(c);
		TextColor(7);
	}
	else
		FOOD_INDEX++;
	// updates score and level
	SCORE += POINT_EACH_FOOD;
	gotoxy(x_coordinate + WIDTH_CONSOLE - 3, 4);
	printf("%d", SCORE);
}
void DrawSnakeAndFood(char* str)
{
	TextColor(7);
	gotoxy(food[FOOD_INDEX].x, food[FOOD_INDEX].y);
	if (strcmp(str, " ") == 0 || (porch[0].x != 0 && porch[0].y != 0))
		printf(" ");
	else
		printf("@");
	for (int i = 0; i < SIZE_SNAKE; i++)
	{
		gotoxy(snake[i].x, snake[i].y);
		if (i == SIZE_SNAKE - 1)
			TextColor(12);
		printf("%c", str[i]);
	}
}
void ProcessDead() {
	idx = 0;
	len = initlen;
	STATE = 0;
	gotoxy(35, 15);
	printf("GAME OVER!");
	int i = 1;
	while (i <= 15)
	{
		TextColor(i++);
		for (int j = 0; j < SIZE_SNAKE; j++)
		{
			gotoxy(snake[j].x, snake[j].y);
			printf("?");
		}
		Sleep(50);
		i++;
	}
	TextColor(7);
	gotoxy(0, HEIGH_CONSOLE + y_coordinate + 1);
	printf("     Nhan phim 'Y' de tiep tuc game ... hoac nhan Esc de thoat game.");
	memset(porch, 0, sizeof(porch));
}
bool touchItsBody() // Kiem tra Ran co cham vao than hoac duoi
{
	for (int i = 0; i < SIZE_SNAKE-1; i++)
	{
		if (snake[SIZE_SNAKE - 1].x  == snake[i].x
			&& snake[SIZE_SNAKE - 1].y  == snake[i].y)
			return true;
	}
	return false;
}
void MoveRight() {
	if (checktouchPorch() ||touchItsBody() ||snake[SIZE_SNAKE - 1].x + 1 == WIDTH_CONSOLE+x_coordinate)
	{
		ProcessDead();
	}
	else {
		if (porch[0].x == 0 && porch[0].y == 0 && snake[SIZE_SNAKE - 1].x + 1 == food[FOOD_INDEX].x && snake[SIZE_SNAKE- 1].y == food[FOOD_INDEX].y) {
				Eat();
		}
		for (int i = 0; i < SIZE_SNAKE - 1; i++) {
			snake[i].x = snake[i + 1].x;
			snake[i].y = snake[i + 1].y;
		}
		snake[SIZE_SNAKE - 1].x++;
	}
}

void MoveLeft() {
	if (checktouchPorch() || touchItsBody() ||snake[SIZE_SNAKE - 1].x - 1 == x_coordinate) {
		ProcessDead();
	}
	else {
		if (porch[0].x == 0 && porch[0].y == 0 && snake[SIZE_SNAKE - 1].x - 1 == food[FOOD_INDEX].x && snake[SIZE_SNAKE - 1].y == food[FOOD_INDEX].y) {
			Eat();
		}
		for (int i = 0; i < SIZE_SNAKE - 1; i++) {
			 snake[i].x = snake[i + 1].x;
			 snake[i].y = snake[i + 1].y;
		}
		 snake[SIZE_SNAKE - 1].x--;
	}
}

void MoveDown() {
	if (checktouchPorch() || touchItsBody() ||snake[SIZE_SNAKE - 1].y + 1 == HEIGH_CONSOLE+y_coordinate) {
		 ProcessDead();
	}
	 else {
		 if (porch[0].x == 0 && porch[0].y == 0 && snake[SIZE_SNAKE - 1].x == food[FOOD_INDEX].x && snake[SIZE_SNAKE - 1].y + 1 == food[FOOD_INDEX].y) {
			 Eat();
		}
		 for (int i = 0; i < SIZE_SNAKE - 1; i++) {
			 snake[i].x = snake[i + 1].x;
			 snake[i].y = snake[i + 1].y;
		}
		 snake[SIZE_SNAKE - 1].y++;
	}
}

void MoveUp() {
	if (checktouchPorch() ||touchItsBody() || snake[SIZE_SNAKE - 1].y - 1 == y_coordinate) {
		ProcessDead();
	}
	else {
		if (porch[0].x == 0 && porch[0].y == 0 && snake[SIZE_SNAKE - 1].x == food[FOOD_INDEX].x && snake[SIZE_SNAKE - 1].y - 1 == food[FOOD_INDEX].y) {
			Eat();
		}
		for (int i = 0; i < SIZE_SNAKE - 1; i++) {
			snake[i].x = snake[i + 1].x;
			snake[i].y = snake[i + 1].y;
		}
		snake[SIZE_SNAKE - 1].y--;
	}
}
// thu tuc cho thread
void checkUpLevel()
{
	if ((snake[SIZE_SNAKE - 1].x == (porch[0].x + 1)) && (snake[SIZE_SNAKE - 1].y == porch[0].y))
	{

		SIZE_SNAKE--;
		if (SIZE_SNAKE == 0)
		{
			DrawPorch(' ');
			if (apple == MAX_SIZE_FOOD*MAX_SPEED)
				apple = 0;
			SIZE_SNAKE = 6 + apple;
			temp = 'D';
			MOVING = 'D';
			CHAR_LOCK = 'A';
			for (int i = 0; i < SIZE_SNAKE; i++)
			{
				snake[i].x = 10 + i + x_coordinate;
				snake[i].y = 5 + y_coordinate;
			}
			// updates level
			LEVEL++;
			gotoxy(x_coordinate + WIDTH_CONSOLE - 3, 3);
			printf("%d", LEVEL);
			if (SPEED == MAX_SPEED)
			{
				len = initlen;
				idx = 0;
				SPEED = 1;
				POINT p[6];
				for (int i = SIZE_SNAKE - 6, k = 0; i < SIZE_SNAKE; i++, k++)
					p[k] = snake[i];
				SIZE_SNAKE = 6;
				for (int i = 0; i < SIZE_SNAKE; i++)
					snake[i] = p[i];
			}
			else
				SPEED++;
		}
	}
}
void ThreadFunc()
{
	Nocursortype();
	while (1)
	{
		if (STATE == 1)
		{// neu snake van con song

			DrawSnakeAndFood(" ");
			switch (MOVING)
			{
				case 'A':
				{
					MoveLeft();
					break;
				}
				case 'D':
				{
					MoveRight();
					break;
				}
				case 'W':
				{
					MoveUp();
					break;
				}
				case 'S':
				{
					MoveDown();
					break;
				}

			}
			/// kiem tra len level khi qua cong
			checkUpLevel();
			DrawSnakeAndFood(name);
			Sleep(TOCDO / SPEED);//ham ngu theo toc do speed

		}
	}
}
//////////////////////////////////////
void SaveGame(ofstream& infile)
{
	TextColor(7);
	gotoxy(0, HEIGH_CONSOLE + y_coordinate + 1);
	printf("  SAVE GAME:\n  Moi ban nhap ten file de luu game: ");
	fflush(stdin);
	gets_s(filename);
	fflush(stdin);
	infile.open(filename);
	if (!infile)
		return;
	infile << name << endl;
	infile << idx << endl;
	infile << initlen << endl;
	infile << len << endl;
	infile << LEVEL << endl;
	infile << SPEED << endl;
	infile << SCORE << endl;
	infile << SIZE_SNAKE << endl;
	for (int i = 0; i < SIZE_SNAKE; i++)
		infile << snake[i].x << " " << snake[i].y << endl;
	infile << FOOD_INDEX << endl;
	for (int i = FOOD_INDEX; i < MAX_SIZE_FOOD; i++)
		infile << food[i].x << " " << food[i].y << endl;
	infile << MOVING << endl;
	infile << CHAR_LOCK << endl;
	for (int i = 0; i < 5; i++)
		infile << porch[i].x << " " << porch[i].y << endl;
	infile << apple << endl;
	//
	infile.close();
}
void LoadGame(ifstream& infile)
{
	infile.getline(name, 50);
	infile >> idx;
	infile >> initlen;
	infile >> len;
	infile >> LEVEL;
	infile >> SPEED;
	infile >> SCORE;
	infile >> SIZE_SNAKE;
	int x, y;
	for (int i = 0; i < SIZE_SNAKE; i++)
	{
		infile >> x >> y;
		snake[i].x = x;
		snake[i].y = y;
	}
	infile >> FOOD_INDEX;
	for (int i = FOOD_INDEX; i < MAX_SIZE_FOOD; i++)
	{
		infile >> x >> y;
		food[i].x = x;
		food[i].y = y;
	}
	infile >> MOVING;
	infile >> CHAR_LOCK;
	for (int i = 0; i < 5; i++)
		infile >> porch[i].x >> porch[i].y;
	infile >> apple;
	infile.close();
}
void read()
{
	TextColor(14);
	ifstream fp("welcome.txt");
	char ch;
	while (!fp.eof())
	{
		ch = fp.get();
		cout << ch;
		Sleep(20);
	}
	Sleep(2000); // pause 2s
	TextColor(7);
	system("cls");
}
int main()
{
	FixConsoleWindow();
	// gioi thieu game
	resizeConsole(1200, 600);
	read();
	// thiet lap man  hinh console
	WIDTH_CONSOLE = 70;
	HEIGH_CONSOLE = 20;
	x_coordinate = 5; // toa do tam
	y_coordinate = 5;
	ofstream savefile;
	ifstream openfile;
	// man hinh console co 80 cot, 50 hang
	printf("\tMoi ban nhap phim:\n\tPhim 'T' de mo game da luu\n\tPhim bat ky de choi game moi:...? ");
	srand((unsigned int)time(0));
	temp = toupper(_getch());
	if (temp == 'T')
	{
		printf("\nNhap ten file de tai game da luu: ");
		do
		{
			fflush(stdin);
			gets_s(filename);
			fflush(stdin);
			openfile.open(filename);
			if (!openfile)
				printf("\n Khong ton tai tap tin!!!\nMoi ban nhap lai: ");
		} while (!openfile);
		LoadGame(openfile);
		MOVING = 0;
	}
	else
	{
		system("cls");
		printf("Moi nhap ten nguoi choi (6 ki tu): ");
		gets_s(name);
		fflush(stdin);
		//
		ResetData();
	}
	strcpy_s(ID, name);
	len = strlen(name);
	initlen = len;
	system("cls");
	StartGame();
	thread t1(ThreadFunc); //Tao thread cho snake
	HANDLE handle_t1 = t1.native_handle(); //Lay handle cua thread
	while (1)
	{
		temp = toupper(_getch());
		if (STATE == 1)
		{
			if (temp == 'P'){
				PauseGame(handle_t1);

			}
			else if (temp == 'L'){
				PauseGame(handle_t1);
				DrawSnakeAndFood(name);
				SaveGame(savefile);
				TextColor(7);
				gotoxy(0, x_coordinate + HEIGH_CONSOLE + 3);
				printf("Ban muon tiep tuc choi game hay thoat game (Yes/No): ");
				char t;
				cin >> t;
				if (t == 'n')
				{
					t1.detach();
					break;
				}
				else
				{
					system("cls");
					StartGame();
					DrawSnakeAndFood(name);
				}
			}
			else if (temp == 'T'){
				PauseGame(handle_t1);
				DrawSnakeAndFood(name);
				TextColor(7);
				gotoxy(x_coordinate+WIDTH_CONSOLE+3, 12);
				printf("%c LOAD GAME: Moi ban nhap ten file da luu game: ", 254);
				do
				{
					fflush(stdin);
					gets_s(filename);
					fflush(stdin);
					openfile.open(filename);
					if (!openfile)
					{
						gotoxy(x_coordinate + WIDTH_CONSOLE + 3, 13);
						printf("! Moi ban nhap lai: ");
					}
				} while (!openfile);
				LoadGame(openfile);
				system("cls");
				StartGame();
				DrawSnakeAndFood(name);

			}
			else if (temp == 27)
			{
				ExitGame(handle_t1);
				t1.detach();
				break;
			}
			else
			{
				ResumeThread(handle_t1);
				if ((temp != CHAR_LOCK) && (temp == 'D' || temp == 'A' || temp == 'W' || temp == 'S'))
				{
					if (temp == 'D')
						CHAR_LOCK = 'A';
					else if (temp == 'W')
						CHAR_LOCK = 'S';
					else if (temp == 'S')
						CHAR_LOCK = 'W';
					else
						CHAR_LOCK = 'D';
					MOVING = temp;
				}
			}
		}
		else
		{
			if (temp == 27) // nhan phim ESC de thoat game
			{
				ExitGame(handle_t1);
				t1.detach();
				break;
			}
			else if (temp == 'Y')
			{
				ResetData();
				StartGame();
			}
		}
	}
	system("pause");
	return 0;
}