using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ConsoleApp1 {
class Program {
static readonly int gridW = 90;
static readonly int gridH = 25;
static Cell[, ] grid = new Cell[gridH, gridW];
static Cell currentCell;
static Cell food;
static int FoodCount;
static int direction; //0=Up 1=Right 2=Down 3=Left
static readonly int speed = 1;
static bool Populated = false;
static bool Lost = false;
static int snakeLength;
/*
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"},
{"*","*","*","*","*","*","*","*","*","*"}
*/
static void Main(string[] args) {
if (!Populated) {
FoodCount = 0;
snakeLength = 5;
populateGrid();
currentCell = grid[(int) Math.Ceiling((double) gridH / 2), (int) Math.Ceiling((double) gridW / 2)];
updatePos();
addFood();
Populated = true;
}
while (!Lost) {
Restart();
}
}
static void Restart() {
Console.SetCursorPosition(0, 0);
printGrid();
Console.WriteLine("Length: {0}", snakeLength);
getInput();
}
static void updateScreen() {
Console.SetCursorPosition(0, 0);
printGrid();
Console.WriteLine("Length: {0}", snakeLength);
}
static void getInput() {
//Console.Write("Where to move? [WASD] ");
ConsoleKeyInfo input;
while (!Console.KeyAvailable) {
Move();
updateScreen();
}
input = Console.ReadKey();
doInput(input.KeyChar);
}
static void checkCell(Cell cell) {
if (cell.val == "%") {
eatFood();
}
if (cell.visited) {
Lose();
}
}
static void Lose() {
Console.WriteLine("\n You lose!");
Thread.Sleep(1000);
Process.Start(System.Reflection.Assembly.GetExecutingAssembly().Location);
Environment.Exit(-1);
}
static void doInput(char inp) {
switch (inp) {
case 'w':
goUp();
break;
case 's':
goDown();
break;
case 'a':
goRight();
break;
case 'd':
goLeft();
break;
}
}
static void addFood() {
Random r = new Random();
Cell cell;
while (true) {
cell = grid[r.Next(grid.GetLength(0)), r.Next(grid.GetLength(1))];
if (cell.val == " ")
cell.val = "%";
break;
}
}
static void eatFood() {
snakeLength += 1;
addFood();
}
static void goUp() {
if (direction == 2)
return;
direction = 0;
}
static void goRight() {
if (direction == 3)
return;
direction = 1;
}
static void goDown() {
if (direction == 0)
return;
direction = 2;
}
static void goLeft() {
if (direction == 1)
return;
direction = 3;
}
static void Move() {
if (direction == 0) {
//up
if (grid[currentCell.y - 1, currentCell.x].val == "*") {
Lose();
return;
}
visitCell(grid[currentCell.y - 1, currentCell.x]);
} else if (direction == 1) {
//right
if (grid[currentCell.y, currentCell.x - 1].val == "*") {
Lose();
return;
}
visitCell(grid[currentCell.y, currentCell.x - 1]);
} else if (direction == 2) {
//down
if (grid[currentCell.y + 1, currentCell.x].val == "*") {
Lose();
return;
}
visitCell(grid[currentCell.y + 1, currentCell.x]);
} else if (direction == 3) {
//left
if (grid[currentCell.y, currentCell.x + 1].val == "*") {
Lose();
return;
}
visitCell(grid[currentCell.y, currentCell.x + 1]);
}
Thread.Sleep(speed * 100);
}
static void visitCell(Cell cell) {
currentCell.val = "#";
currentCell.visited = true;
currentCell.decay = snakeLength;
checkCell(cell);
currentCell = cell;
updatePos();
//checkCell(currentCell);
}
static void updatePos() {
currentCell.Set("@");
if (direction == 0) {
currentCell.val = "^";
} else if (direction == 1) {
currentCell.val = "<";
} else if (direction == 2) {
currentCell.val = "v";
} else if (direction == 3) {
currentCell.val = ">";
}
currentCell.visited = false;
return;
}
static void populateGrid() {
Random random = new Random();
for (int col = 0; col < gridH; col++) {
for (int row = 0; row < gridW; row++) {
Cell cell = new Cell();
cell.x = row;
cell.y = col;
cell.visited = false;
if (cell.x == 0 || cell.x > gridW - 2 || cell.y == 0 || cell.y > gridH - 2)
cell.Set("*");
else
cell.Clear();
grid[col, row] = cell;
}
}
}
static void printGrid() {
string toPrint = "";
for (int col = 0; col < gridH; col++) {
for (int row = 0; row < gridW; row++) {
grid[col, row].decaySnake();
toPrint += grid[col, row].val;
}
toPrint += "\n";
}
Console.WriteLine(toPrint);
}
public class Cell {
public string val {
get;
set;
}
public int x {
get;
set;
}
public int y {
get;
set;
}
public bool visited {
get;
set;
}
public int decay {
get;
set;
}
public void decaySnake() {
decay -= 1;
if (decay == 0) {
visited = false;
val = " ";
}
}
public void Clear() {
val = " ";
}
public void Set(string newVal) {
val = newVal;
}
}
}
}
