/// <summary>Sets game level</summary>
private static void Level(LevelChoice whatToDo, Snake[] sammy)
{
switch (whatToDo)
{
case LevelChoice.StartOver:
CurLevel = 1;
break;
case LevelChoice.NextLevel:
CurLevel = CurLevel + 1;
break;
}
// Initialize Snakes
sammy[0].Head = 1;
sammy[0].Length = 2;
sammy[0].Alive = true;
sammy[1].Head = 1;
sammy[1].Length = 2;
sammy[1].Alive = true;
Inputs[0].Clear();
Inputs[1].Clear();
InitColors();
switch (CurLevel)
{
case 1:
sammy[0].Row = 25;
sammy[1].Row = 25;
sammy[0].Col = 50;
sammy[1].Col = 30;
sammy[0].Direction = Direction.Right;
sammy[1].Direction = Direction.Left;
break;
case 2:
for (int i = 20; i <= 60; i++)
Set(25, i, Walls);
sammy[0].Row = 7;
sammy[1].Row = 43;
sammy[0].Col = 60;
sammy[1].Col = 20;
sammy[0].Direction = Direction.Left;
sammy[1].Direction = Direction.Right;
break;
case 3:
for (int i = 10; i <= 40; i++)
{
Set(i, 20, Walls);
Set(i, 60, Walls);
}
sammy[0].Row = 25;
sammy[1].Row = 25;
sammy[0].Col = 50;
sammy[1].Col = 30;
sammy[0].Direction = Direction.Up;
sammy[1].Direction = Direction.Down;
break;
case 4:
for (int i = 4; i <= 30; i++)
{
Set(i, 20, Walls);
Set(53 - i, 60, Walls);
}
for (int i = 2; i <= 40; i++)
{
Set(38, i, Walls);
Set(15, 81 - i, Walls);
}
sammy[0].Row = 7;
sammy[1].Row = 43;
sammy[0].Col = 60;
sammy[1].Col = 20;
sammy[0].Direction = Direction.Left;
sammy[1].Direction = Direction.Right;
break;
case 5:
for (int i = 13; i <= 39; i++)
{
Set(i, 21, Walls);
Set(i, 59, Walls);
}
for (int i = 23; i <= 57; i++)
{
Set(11, i, Walls);
Set(41, i, Walls);
}
sammy[0].Row = 25;
sammy[1].Row = 25;
sammy[0].Col = 50;
sammy[1].Col = 30;
sammy[0].Direction = Direction.Up;
sammy[1].Direction = Direction.Down;
break;
case 6:
for (int i = 4; i <= 49; i++)
{
if (i > 30 || i < 23)
{
Set(i, 10, Walls);
Set(i, 20, Walls);
Set(i, 30, Walls);
Set(i, 40, Walls);
Set(i, 50, Walls);
Set(i, 60, Walls);
Set(i, 70, Walls);
}
}
sammy[0].Row = 7;
sammy[1].Row = 43;
sammy[0].Col = 65;
sammy[1].Col = 15;
sammy[0].Direction = Direction.Down;
sammy[1].Direction = Direction.Up;
break;
case 7:
for (int i = 4; i <= 49; i += 2)
Set(i, 40, Walls);
sammy[0].Row = 7;
sammy[1].Row = 43;
sammy[0].Col = 65;
sammy[1].Col = 15;
sammy[0].Direction = Direction.Down;
sammy[1].Direction = Direction.Up;
break;
case 8:
for (int i = 4; i <= 40; i++)
{
Set(i, 10, Walls);
Set(53 - i, 20, Walls);
Set(i, 30, Walls);
Set(53 - i, 40, Walls);
Set(i, 50, Walls);
Set(53 - i, 60, Walls);
Set(i, 70, Walls);
}
sammy[0].Row = 7;
sammy[1].Row = 43;
sammy[0].Col = 65;
sammy[1].Col = 15;
sammy[0].Direction = Direction.Down;
sammy[1].Direction = Direction.Up;
break;
case 9:
for (int i = 6; i <= 47; i++)
{
Set(i, i, Walls);
Set(i, i + 28, Walls);
}
sammy[0].Row = 40;
sammy[1].Row = 15;
sammy[0].Col = 75;
sammy[1].Col = 5;
sammy[0].Direction = Direction.Up;
sammy[1].Direction = Direction.Down;
break;
default:
for (int i = 4; i <= 49; i += 2)
{
Set(i, 10, Walls);
Set(i + 1, 20, Walls);
Set(i, 30, Walls);
Set(i + 1, 40, Walls);
Set(i, 50, Walls);
Set(i + 1, 60, Walls);
Set(i, 70, Walls);
}
sammy[0].Row = 7;
sammy[1].Row = 43;
sammy[0].Col = 65;
sammy[1].Col = 15;
sammy[0].Direction = Direction.Down;
sammy[1].Direction = Direction.Up;
break;
}
}
/// <summary>Main routine that controls game play</summary>
private static void PlayNibbles()
{
// Initialize Snakes
Snakes[0] = new Snake { Lives = 5, Score = 0, Color = Sammy, Body = new SnakePiece[MAXSNAKELENGTH] };
Snakes[1] = new Snake { Lives = 5, Score = 0, Color = Jake, Body = new SnakePiece[MAXSNAKELENGTH] };
Level(LevelChoice.StartOver, Snakes);
var startRow1 = Snakes[0].Row;
var startCol1 = Snakes[0].Col;
var startRow2 = Snakes[1].Row;
var startCol2 = Snakes[1].Col;
var curSpeed = Speed;
// play Nibbles until finished
SpacePause(" Level " + CurLevel + ", Push Space");
do
{
if (NumPlayers == 1)
Snakes[1].Row = 0;
var number = 1; // Current number that snakes are trying to run into
var nonum = true; // nonum = TRUE if a number is not on the screen
int numberRow = 0, numberCol = 0, sisterRow = 0;
var playerDied = false;
PrintScore(NumPlayers, Snakes[0].Score, Snakes[1].Score, Snakes[0].Lives, Snakes[1].Lives);
Music.Play("T160O1>L20CDEDCDL10ECC", true);
do
{
// Print number if no number exists
if (nonum)
{
do
{
numberRow = (int) (Rnd.NextDouble() * 47 + 3);
numberCol = (int) (Rnd.NextDouble() * 78 + 2);
sisterRow = numberRow + Arena[numberRow, numberCol].Sister;
}
while (PointIsThere(numberRow, numberCol, Background) || PointIsThere(sisterRow, numberCol, Background));
numberRow = Arena[numberRow, numberCol].RealRow;
nonum = false;
Console.ForegroundColor = Sammy;
Console.BackgroundColor = Background;
ConsoleSetCursorPosition(numberCol, numberRow);
Console.Write(number.ToString().Last());
}
// Delay game
Thread.Sleep(curSpeed);
// Get keyboard input & Change direction accordingly
while (Console.KeyAvailable)
{
var kbd = Console.ReadKey(true).Key;
switch (kbd)
{
case ConsoleKey.W: if (Inputs[1].Count == 0 || Inputs[1].Last() != Direction.Up) Inputs[1].Add(Direction.Up); break;
case ConsoleKey.S: if (Inputs[1].Count == 0 || Inputs[1].Last() != Direction.Down) Inputs[1].Add(Direction.Down); break;
case ConsoleKey.A: if (Inputs[1].Count == 0 || Inputs[1].Last() != Direction.Left) Inputs[1].Add(Direction.Left); break;
case ConsoleKey.D: if (Inputs[1].Count == 0 || Inputs[1].Last() != Direction.Right) Inputs[1].Add(Direction.Right); break;
case ConsoleKey.UpArrow: if (Inputs[0].Count == 0 || Inputs[0].Last() != Direction.Up) Inputs[0].Add(Direction.Up); break;
case ConsoleKey.DownArrow: if (Inputs[0].Count == 0 || Inputs[0].Last() != Direction.Down) Inputs[0].Add(Direction.Down); break;
case ConsoleKey.LeftArrow: if (Inputs[0].Count == 0 || Inputs[0].Last() != Direction.Left) Inputs[0].Add(Direction.Left); break;
case ConsoleKey.RightArrow: if (Inputs[0].Count == 0 || Inputs[0].Last() != Direction.Right) Inputs[0].Add(Direction.Right); break;
case ConsoleKey.P: SpacePause(" Game Paused ... Push Space "); nonum = true; break;
default: break;
}
}
for (int a = 0; a < NumPlayers; a++)
{
if (Inputs[a].Count > 0)
{
var input = Inputs[a][0];
Inputs[a].RemoveAt(0);
switch (input)
{
case Direction.Up: if (Snakes[a].Direction != Direction.Down) Snakes[a].Direction = Direction.Up; break;
case Direction.Down: if (Snakes[a].Direction != Direction.Up) Snakes[a].Direction = Direction.Down; break;
case Direction.Left: if (Snakes[a].Direction != Direction.Right) Snakes[a].Direction = Direction.Left; break;
case Direction.Right: if (Snakes[a].Direction != Direction.Left) Snakes[a].Direction = Direction.Right; break;
}
}
// Move Snake
switch (Snakes[a].Direction)
{
case Direction.Up: Snakes[a].Row = Snakes[a].Row - 1; break;
case Direction.Down: Snakes[a].Row = Snakes[a].Row + 1; break;
case Direction.Left: Snakes[a].Col = Snakes[a].Col - 1; break;
case Direction.Right: Snakes[a].Col = Snakes[a].Col + 1; break;
}
// If snake hits number, respond accordingly
if (numberRow == (Snakes[a].Row + 1) / 2 && numberCol == Snakes[a].Col)
{
Music.Play("O0L16>CCCE", true);
if (Snakes[a].Length < MAXSNAKELENGTH - 30)
Snakes[a].Length = Snakes[a].Length + number * 4;
Snakes[a].Score = Snakes[a].Score + number;
PrintScore(NumPlayers, Snakes[0].Score, Snakes[1].Score, Snakes[0].Lives, Snakes[1].Lives);
number = number + 1;
if (number == 10)
{
EraseSnake(Snakes[0]);
EraseSnake(Snakes[1]);
ConsoleSetCursorPosition(numberCol, numberRow);
Console.Write(" ");
Level(LevelChoice.NextLevel, Snakes);
PrintScore(NumPlayers, Snakes[0].Score, Snakes[1].Score, Snakes[0].Lives, Snakes[1].Lives);
SpacePause(" Level " + CurLevel + ", Push Space");
if (NumPlayers == 1)
Snakes[1].Row = 0;
number = 1;
if (IncreaseSpeedDuringPlay)
curSpeed = Math.Max(10, curSpeed - 10);
}
nonum = true;
}
}
for (int a = 0; a < NumPlayers; a++)
{
// If player runs into any point, or the head of the other snake, it dies.
if (PointIsThere(Snakes[a].Row, Snakes[a].Col, Background) || (Snakes[0].Row == Snakes[1].Row && Snakes[0].Col == Snakes[1].Col))
{
Music.Play("O0L32EFGEFDC", true);
Console.BackgroundColor = Background;
ConsoleSetCursorPosition(numberCol, numberRow);
Console.Write(" ");
playerDied = true;
Snakes[a].Alive = false;
Snakes[a].Lives = Snakes[a].Lives - 1;
}
// Otherwise, move the snake, and erase the tail
else
{
Snakes[a].Head = (Snakes[a].Head + 1) % MAXSNAKELENGTH;
Snakes[a].Body[Snakes[a].Head].Row = Snakes[a].Row;
Snakes[a].Body[Snakes[a].Head].Col = Snakes[a].Col;
var tail = (Snakes[a].Head + MAXSNAKELENGTH - Snakes[a].Length) % MAXSNAKELENGTH;
Set(Snakes[a].Body[tail].Row, Snakes[a].Body[tail].Col, Background);
Snakes[a].Body[tail].Row = 0;
Set(Snakes[a].Row, Snakes[a].Col, Snakes[a].Color);
}
}
}
while (!playerDied);
// reset speed to initial value
curSpeed = Speed;
for (int a = 0; a < NumPlayers; a++)
{
// If dead, then erase snake in really cool way
EraseSnake(Snakes[a]);
if (!Snakes[a].Alive)
{
// Update score
Snakes[a].Score = Snakes[a].Score - 10;
PrintScore(NumPlayers, Snakes[0].Score, Snakes[1].Score, Snakes[0].Lives, Snakes[1].Lives);
if (a == 0)
SpacePause(" Sammy Dies! Push Space! --->");
else
SpacePause(" <--- Jake Dies! Push Space! ");
}
}
Level(LevelChoice.SameLevel, Snakes);
PrintScore(NumPlayers, Snakes[0].Score, Snakes[1].Score, Snakes[0].Lives, Snakes[1].Lives);
// Play next round, until either of snake's lives have run out.
}
while (Snakes[0].Lives != 0 && Snakes[1].Lives != 0);
}
/// <summary>Erases snake to facilitate moving through playing field</summary>
private static void EraseSnake(Snake snake)
{
for (int c = 0; c <= 9; c++)
for (int b = snake.Length - c; b >= 0; b -= 10)
{
var tail = (snake.Head + MAXSNAKELENGTH - b) % MAXSNAKELENGTH;
Set(snake.Body[tail].Row, snake.Body[tail].Col, Background);
Thread.Sleep(2);
}
}