ConsoleSnake/ConsoleSnake/Program.cs

377 lines
13 KiB
C#

using System.ComponentModel.Design;
namespace ConsoleSnake
{
internal class Program
{
public enum Direction
{
Up,
Down,
Left,
Right
}
private struct PlayArea
{
public PlayArea(Int32 left, Int32 top, Int32 right, Int32 bottom)
{
LeftEdge = left;
TopEdge = top;
RightEdge = right;
BottomEdge = bottom;
}
public Int32 LeftEdge { get; set; }
public Int32 TopEdge { get; set; }
public Int32 RightEdge { get; set; }
public Int32 BottomEdge { get; set; }
}
private struct Position2D
{
public Position2D(Int32 x, Int32 y) { X = x; Y = y; }
public Int32 X { get; set; }
public Int32 Y { get; set; }
}
private static PlayArea _playArea = new PlayArea(1, 4, Console.WindowWidth - 2, Console.WindowHeight - 2);
private static bool _running = true;
private static bool _growingP1 = false;
private static bool _growingP2 = false;
private static Direction _directionP1 = Direction.Right;
private static Direction _directionP2 = Direction.Left;
private static Position2D _headP1 = new Position2D(-1, -1);
private static Position2D _headP2 = new Position2D(-1, -1);
private static List<Position2D> _snakeSegmentsP1 = new List<Position2D>();
private static List<Position2D> _snakeSegmentsP2 = new List<Position2D>();
private static Position2D _food = new Position2D(-1,-1);
private static Random rng = new Random();
static void Main(string[] args)
{
Console.ReadKey();
Console.SetBufferSize(Console.WindowWidth, Console.WindowHeight);
DrawPlayArea();
//Console.WindowWidth -= 1;
Console.ReadKey(true);
Reset();
while (_running)
{
DateTime beginFrame = DateTime.Now;
HandleInput();
AllSnakeThings();
TimeSpan frameTime = DateTime.Now.Subtract(beginFrame);
if(50 - frameTime.Milliseconds > 0)
Thread.Sleep(50 - frameTime.Milliseconds);
}
}
private static void DrawPlayArea()
{
Console.BackgroundColor = ConsoleColor.DarkGray;
for(Int32 top = 0; top < Console.WindowHeight; ++top)
{
Console.CursorTop = top;
Console.CursorLeft = 0;
if (top < _playArea.TopEdge || top > _playArea.BottomEdge)
for (Int32 left = 0; left < Console.WindowWidth; ++left)
Console.Write(' ');
else
{
for (Int32 left = 0; left < _playArea.LeftEdge; ++left)
Console.Write(' ');
//Console.CursorLeft = _playArea.RightEdge+1;
for (Int32 left = Console.CursorLeft = _playArea.RightEdge + 1; left < Console.WindowWidth; ++left)
Console.Write(' ');
/*Console.Write(' ');
Console.CursorLeft = Console.WindowWidth-1;
Console.Write(' ');*/
}
}
/*for (Int32 top = _playArea.Top; top < _playArea.Height; ++top)
{
}
for (Int32 left = _playArea.Left; left < _playArea.Width; ++left)
{
Console.SetCursorPosition(left, top);
Console.Write(' ');
}*/
Console.BackgroundColor = ConsoleColor.Black;
}
private static void Reset()
{
_playArea = new PlayArea(1, 4, Console.WindowWidth - 2, Console.WindowHeight - 2);
_running = true;
_growingP1 = false;
_growingP2 = false;
_directionP1 = Direction.Right;
_directionP2 = Direction.Left;
_snakeSegmentsP1.Clear();
_snakeSegmentsP2.Clear();
// Set up anew
_snakeSegmentsP1.Add(_headP1 = new Position2D(Console.BufferWidth / 2, Console.BufferHeight / 2));
_snakeSegmentsP2.Add(_headP2 = new Position2D(Console.BufferWidth / 2 - 1, Console.BufferHeight / 2));
SpawnFood();
MoveCursor(_snakeSegmentsP1.Last());
}
private static void SpawnFood()
{
Position2D oldCursorPos = new Position2D(Console.CursorLeft, Console.CursorTop);
do
{
_food = new Position2D(rng.Next(_playArea.LeftEdge+1, _playArea.RightEdge), rng.Next(_playArea.TopEdge, _playArea.BottomEdge));
} while (_snakeSegmentsP1.Contains(_food) || _snakeSegmentsP2.Contains(_food));
MoveCursor(_food);
Console.ForegroundColor = ConsoleColor.Red;
Console.Write('@');
Console.ForegroundColor = ConsoleColor.Green;
MoveCursor(oldCursorPos);
}
private static void JoinPlayer2()
{
}
private static void MoveCursor(Position2D pos) => MoveCursor(pos.X, pos.Y);
private static void MoveCursor(Int32 left, Int32 top)
{
Console.SetCursorPosition(left, top);
Console.CursorVisible = false;
}
private static void GrowSnakes()
{
if (_snakeSegmentsP1.Count > 0)
{
_snakeSegmentsP1.Add(_headP1);
Console.SetCursorPosition(_headP1.X, _headP1.Y);
Console.ForegroundColor = ConsoleColor.Green;
Console.Write('#');
}
if (_snakeSegmentsP2.Count > 0)
{
_snakeSegmentsP2.Add(_headP2);
Console.SetCursorPosition(_headP2.X, _headP2.Y);
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write('#');
}
}
private static void DeleteAt(Position2D pos) => DeleteAt(pos.X, pos.Y);
private static void DeleteAt(Int32 x, Int32 y)
{
Int32 curX = Console.CursorLeft;
Int32 curY = Console.CursorTop;
MoveCursor(x, y);
Console.Write(' ');
MoveCursor(curX, curY);
}
private static bool Collision(Position2D pos1, Position2D pos2)
{
return (pos1.X == pos2.X && pos1.Y == pos2.Y);
}
private static void AllSnakeThings()
{
ProcessMovement();
if (_snakeSegmentsP1.Contains(_headP1) || _snakeSegmentsP2.Contains(_headP1))
{
foreach(Position2D segment in _snakeSegmentsP1)
DeleteAt(segment);
_snakeSegmentsP1.Clear();
return;
}
if (_snakeSegmentsP1.Contains(_headP2) || _snakeSegmentsP2.Contains(_headP2))
{
foreach (Position2D segment in _snakeSegmentsP2)
DeleteAt(segment);
_snakeSegmentsP2.Clear();
return;
}
if(_snakeSegmentsP1.Count == 0 && _snakeSegmentsP2.Count == 0)
_running = false;
GrowSnakes();
if(_food.X == _headP1.X && _food.Y == _headP1.Y)
{
_growingP1 = true;
SpawnFood();
} else if (_food.X == _headP2.X && _food.Y == _headP2.Y)
{
_growingP2 = true;
SpawnFood();
}
// growth P1
if (!_growingP1 && _snakeSegmentsP1.Count > 0)
{
DeleteAt(_snakeSegmentsP1.First());
_snakeSegmentsP1.Remove(_snakeSegmentsP1.First());
}
else
_growingP1 = false;
// growth P2
if (!_growingP2 && _snakeSegmentsP2.Count > 0)
{
DeleteAt(_snakeSegmentsP2.First());
_snakeSegmentsP2.Remove(_snakeSegmentsP2.First());
}
else
_growingP2 = false;/**/
}
private static void ProcessMovement()
{
/*switch (_directionP1)
{
case Direction.Up:
if (Console.CursorTop - 1 < _playArea.TopEdge)
Console.CursorTop = _playArea.BottomEdge;
else
--Console.CursorTop;
break;
case Direction.Down:
if (Console.CursorTop + 1 > _playArea.BottomEdge)
Console.CursorTop = _playArea.TopEdge;
else
++Console.CursorTop;
break;
case Direction.Left:
if (Console.CursorLeft - 1 < _playArea.LeftEdge)
Console.CursorLeft = _playArea.RightEdge;
else
--Console.CursorLeft;
break;
case Direction.Right:
if (Console.CursorLeft + 1 > _playArea.RightEdge)
Console.CursorLeft = _playArea.LeftEdge;
else
++Console.CursorLeft;
break;
}/**/
switch (_directionP1)
{
case Direction.Up:
if (_headP1.Y - 1 < _playArea.TopEdge)
_headP1.Y = _playArea.BottomEdge;
else
--_headP1.Y;
break;
case Direction.Down:
if (_headP1.Y + 1 > _playArea.BottomEdge)
_headP1.Y = _playArea.TopEdge;
else
++_headP1.Y;
break;
case Direction.Left:
if (_headP1.X - 1 < _playArea.LeftEdge)
_headP1.X = _playArea.RightEdge;
else
--_headP1.X;
break;
case Direction.Right:
if (_headP1.X + 1 > _playArea.RightEdge)
_headP1.X = _playArea.LeftEdge;
else
++_headP1.X;
break;
}
switch (_directionP2)
{
case Direction.Up:
if (_headP2.Y - 1 < _playArea.TopEdge)
_headP2.Y = _playArea.BottomEdge;
else
--_headP2.Y;
break;
case Direction.Down:
if (_headP2.Y + 1 > _playArea.BottomEdge)
_headP2.Y = _playArea.TopEdge;
else
++_headP2.Y;
break;
case Direction.Left:
if (_headP2.X - 1 < _playArea.LeftEdge)
_headP2.X = _playArea.RightEdge;
else
--_headP2.X;
break;
case Direction.Right:
if (_headP2.X + 1 > _playArea.RightEdge)
_headP2.X = _playArea.LeftEdge;
else
++_headP2.X;
break;
}
}
static void HandleInput()
{
if (Console.KeyAvailable)
{
switch(Console.ReadKey(true).Key)
{
// Movement P1
case ConsoleKey.UpArrow:
if(_directionP1 != Direction.Down)
_directionP1 = Direction.Up;
break;
case ConsoleKey.DownArrow:
if (_directionP1 != Direction.Up)
_directionP1 = Direction.Down;
break;
case ConsoleKey.LeftArrow:
if (_directionP1 != Direction.Right)
_directionP1 = Direction.Left;
break;
case ConsoleKey.RightArrow:
if (_directionP1 != Direction.Left)
_directionP1 = Direction.Right;
break;
// Movement P2
case ConsoleKey.W:
if (_directionP2 != Direction.Down)
_directionP2 = Direction.Up;
break;
case ConsoleKey.S:
if (_directionP2 != Direction.Up)
_directionP2 = Direction.Down;
break;
case ConsoleKey.A:
if (_directionP2 != Direction.Right)
_directionP2 = Direction.Left;
break;
case ConsoleKey.D:
if (_directionP2 != Direction.Left)
_directionP2 = Direction.Right;
break;
case ConsoleKey.D2:
JoinPlayer2();
break;
case ConsoleKey.Escape:
_running = false;
break;
case ConsoleKey.G:
_growingP1 = !_growingP1;
break;
}
}
}
}
}