internal void ChangeDirectionOfPacMan(Direction direction)
{
if (direction != PacMan.Direction)
{
PacMan = PacMan.WithNewDirection(direction);
}
}
public GameSettings(
int width,
int height,
IReadOnlyCollection <CellLocation> walls,
IReadOnlyCollection <CellLocation> coins,
IReadOnlyCollection <CellLocation> powerPills,
IReadOnlyDictionary <CellLocation, CellLocation> portals,
PacMan pacMan,
IReadOnlyCollection <Ghost> ghosts,
IReadOnlyCollection <CellLocation> doors,
IReadOnlyCollection <CellLocation> ghostHouse,
CellLocation fruit)
{
Width = width;
Height = height;
Portals = portals;
PacMan = pacMan;
Ghosts = ghosts;
Walls = walls;
Coins = coins;
PowerPills = powerPills;
Doors = doors;
GhostHouse = ghostHouse;
Fruit = fruit;
}
public void ChangeDirection(Direction direction)
{
var nextSpace = PacMan.Location + direction;
if (!Walls.Contains(nextSpace))
{
PacMan = PacMan.WithNewDirection(direction);
}
}
async Task IGameActions.MovePacMan(BehaviorContext <GameState, Tick> context, GameStateMachine gameStateMachine)
{
var newPacMan = PacMan.Move();
if (_settings.Portals.TryGetValue(newPacMan.Location, out var portal))
{
newPacMan = PacMan.WithNewX(portal.X).WithNewY(portal.Y);
newPacMan = newPacMan.Move();
}
if (!_settings.Walls.Contains(newPacMan.Location))
{
PacMan = newPacMan;
}
var died = false;
if (TryHasDied(out var ghost))
{
died = !ghost !.Edible;
await context.Raise(gameStateMachine.GhostCollision, new GhostCollision(ghost));
}
if (!died && Coins.Contains(newPacMan.Location))
{
var newCollectedCoins = new List <CellLocation>(_collectedCoins)
{
(newPacMan.Location)
};
_collectedCoins = newCollectedCoins;
await context.Raise(gameStateMachine.CoinEaten);
}
else if (!died && PowerPills.Contains(newPacMan.Location))
{
var newCollectedPowerPills = new List <CellLocation>(_collectedPowerPills)
{
(newPacMan.Location)
};
_collectedPowerPills = newCollectedPowerPills;
await context.Raise(gameStateMachine.PowerPillEaten);
}
}
public static IGameSettings Load(string board)
{
var allRows = board.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
var rows = allRows.Where(line => !line.StartsWith("{")).ToArray();
var instructions = allRows.Where(line => line.StartsWith("{")).ToArray();
var height = rows.Length;
var width = 0;
var homeLocations = FindHomeLocations(instructions);
var coins = new List <CellLocation>();
var powerPills = new List <CellLocation>();
var walls = new List <CellLocation>();
var doors = new List <CellLocation>();
var portalParts = new List <CellLocation>();
var ghosts = new List <Ghost>();
PacMan?pacMan = null;
for (int rowNumber = 0; rowNumber < height; rowNumber++)
{
var row = rows[rowNumber];
for (int columnNumber = 0; columnNumber < row.Length; columnNumber++)
{
var location = new CellLocation(columnNumber - 1, rowNumber);
switch (row[columnNumber])
{
case 'B':
var homeB = homeLocations[GhostNames.Blinky];
ghosts.Add(new Ghost(GhostNames.Blinky,
location,
Direction.Left,
new CellLocation(homeB.X, homeB.Y),
new DirectToStrategy(new DirectToPacManLocation())));
break;
case 'P':
var homeP = homeLocations[GhostNames.Pinky];
ghosts.Add(new Ghost(GhostNames.Pinky,
location,
Direction.Left,
new CellLocation(homeP.X, homeP.Y),
new DirectToStrategy(new DirectToExpectedPacManLocation())));
break;
case 'I':
var homeI = homeLocations[GhostNames.Inky];
ghosts.Add(new Ghost(GhostNames.Inky,
location,
Direction.Left,
new CellLocation(homeI.X, homeI.Y),
new DirectToStrategy(new InterceptPacManLocation(GhostNames.Blinky))));
break;
case 'C':
var homeC = homeLocations[GhostNames.Clyde];
ghosts.Add(new Ghost(GhostNames.Clyde,
location,
Direction.Left,
new CellLocation(homeC.X, homeC.Y),
new DirectToStrategy(new StaysCloseToPacManLocation(GhostNames.Clyde))));
break;
case '▲':
pacMan = new PacMan(location, Direction.Up);
break;
case '▼':
pacMan = new PacMan(location, Direction.Down);
break;
case '►':
pacMan = new PacMan(location, Direction.Right);
break;
case '◄':
pacMan = new PacMan(location, Direction.Left);
break;
case 'X':
walls.Add(location);
break;
case '-':
doors.Add(location);
break;
case 'T':
portalParts.Add(location);
break;
case '.':
coins.Add(location);
break;
case '*':
powerPills.Add(location);
break;
default:
break;
}
width = Math.Max(width, row.Length);
}
}
if (portalParts.Count() != 0 && portalParts.Count() != 2)
{
throw new Exception("Unexpected number of portals");
}
var portals = new Dictionary <CellLocation, CellLocation>();
if (portalParts.Any())
{
portals.Add(portalParts[0], portalParts[1]);
portals.Add(portalParts[1], portalParts[0]);
}
if (pacMan is null)
{
throw new Exception("Pacman seems to be missing from the board.");
}
return(new GameSettings(width - 2, height, walls, coins, powerPills, portals, pacMan, ghosts, doors));
}
internal void ReplacePacMan(PacMan pacMan)
{
PacMan = pacMan;
}
internal void MovePacManTo(CellLocation newPacManLocation)
{
PacMan = PacMan.WithNewLocation(newPacManLocation);
}
void IGameActions.MovePacManHome()
{
PacMan = PacMan.SetToHome();
}