internal void PowerPillEaten(GameState gameState, CellLocation powerPillLocation)
{
IncreaseScoreAndCheckForBonusLife(gameState, 50);
_gameNotifications.Publish(GameNotification.EatPowerPill);
MakeGhostsEdible(gameState);
gameState.RemovePowerPill(powerPillLocation);
}
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;
}
internal void FruitEaten(Game game, GameState gameState, CellLocation location)
{
var scoreIncrement = Fruits.FruitForLevel(gameState.Level).Score;
IncreaseScoreAndCheckForBonusLife(gameState, scoreIncrement);
gameState.HideFruit();
_gameNotifications.Publish(GameNotification.EatFruit);
}
public Ghost(string name,
CellLocation location,
Direction direction,
IGhostStrategy chaseStrategy,
IGhostStrategy scatterStrategy,
IGhostStrategy frightenedStrategy,
int numberOfCoinsRequiredToExitHouse = 0)
: this(name, location, location, direction, chaseStrategy, scatterStrategy, frightenedStrategy, chaseStrategy, GhostStatus.Alive, numberOfCoinsRequiredToExitHouse)
{
}
private Ghost(string name, CellLocation homeLocation, CellLocation currentLocation, Direction direction, CellLocation scatterTarget, IGhostStrategy strategy, IGhostStrategy currentStrategy, bool edible)
{
Name = name;
Home = homeLocation;
Location = currentLocation;
Direction = direction;
Strategy = strategy;
CurrentStrategy = currentStrategy;
ScatterTarget = scatterTarget;
Edible = edible;
}
internal void CoinEaten(Game game, GameState gameState, CellLocation coinLocation)
{
gameState.RemoveCoin(coinLocation);
IncreaseScoreAndCheckForBonusLife(gameState, 10);
if(_gameSettings.FruitAppearsAfterCoinsEaten.Contains(game.StartingCoins.Count - game.Coins.Count))
{
var fruitType = Fruits.FruitForLevel(gameState.Level).FruitType;
gameState.ShowFruit(_gameSettings.FruitVisibleForSeconds, fruitType);
}
_gameNotifications.Publish(GameNotification.EatCoin);
}
private Ghost(string name, CellLocation homeLocation, CellLocation currentLocation, Direction direction, CellLocation scatterTarget, IGhostStrategy chaseStrategy, IGhostStrategy currentStrategy, GhostStatus ghostStatus, int numberOfCoinsRequiredToExitHouse)
{
Name = name;
Home = homeLocation;
Location = currentLocation;
Direction = direction;
ChaseStrategy = chaseStrategy;
CurrentStrategy = currentStrategy;
ScatterTarget = scatterTarget;
Status = ghostStatus;
NumberOfCoinsRequiredToExitHouse = numberOfCoinsRequiredToExitHouse;
}
internal void MovePacManTo(CellLocation newPacManLocation)
{
PacMan = PacMan.WithNewLocation(newPacManLocation);
}
private Ghost WithNewLocationAndDirection(CellLocation newLocation, Direction newDirection) => new Ghost(Name, Home, newLocation, newDirection, ScatterTarget, ChaseStrategy, CurrentStrategy, Status, NumberOfCoinsRequiredToExitHouse);
public PacMan(CellLocation location, Direction direction)
: this(location, home : location, direction)
{
}
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));
}
public PacMan WithNewLocation(CellLocation newLocation) => new PacMan(newLocation, Direction);
private PacMan(CellLocation location, CellLocation home, Direction direction)
{
Location = location;
Direction = direction;
Home = home;
}
public Ghost(string name, CellLocation location, Direction direction, CellLocation scatterTarget, IGhostStrategy chaseStrategy, int numberOfCoinsRequiredToExitHouse = 0)
: this(name, location, location, direction, scatterTarget, chaseStrategy, chaseStrategy, false, numberOfCoinsRequiredToExitHouse)
{
}
public Ghost(string name, CellLocation location, Direction direction, CellLocation scatterTarget, IGhostStrategy strategy)
: this(name, location, location, direction, scatterTarget, strategy, strategy, false)
{
}
public PacMan(CellLocation location, Direction direction)
{
Location = location;
Direction = direction;
}
internal void RemovePowerPill(CellLocation location)
{
// Note - this is not the same as gameState.RemainingPowerPills = gameState.RemainingPowerPills.Remove(location)
// We have to allow for the UI to be iterating over the list whilst we are removing elements from it.
RemainingPowerPills = RemainingPowerPills.Where(p => p != location).ToList();
}
public static void PowerPillEaten(IGameSettings gameSettings, GameState gameState, CellLocation powerPillLocation, GameNotifications gameNotifications)
{
gameState.IncreaseScore(50);
gameNotifications.Publish(GameNotification.EatPowerPill);
MakeGhostsEdible(gameSettings, gameState);
gameState.RemovePowerPill(powerPillLocation);
}
public static void CoinEaten(Game game, IGameSettings settings, GameState gameState, CellLocation coinLocation, GameNotifications gameNotifications)
{
gameState.RemoveCoin(coinLocation);
gameState.IncreaseScore(10);
if (settings.FruitAppearsAfterCoinsEaten.Contains(game.StartingCoins.Count - game.Coins.Count))
{
if (!FruitForLevel.TryGetValue(gameState.Level, out var fruitType))
{
fruitType = FruitType.Key;
}
gameState.ShowFruit(settings.FruitVisibleForSeconds, fruitType);
}
gameNotifications.Publish(GameNotification.EatCoin);
}
internal static void FruitEaten(Game game, IGameSettings settings, GameState gameState, CellLocation location, GameNotifications gameNotifications)
{
var scoreInc = gameState.FruitTypeToShow switch {
FruitType.Cherry => 100,
FruitType.Strawberry => 300,
FruitType.Orange => 500,
FruitType.Bell => 700,
FruitType.Apple => 1000,
FruitType.Grapes => 2000,
FruitType.Arcadian => 3000,
FruitType.Key => 5000,
_ => throw new NotImplementedException()
};
gameState.IncreaseScore(scoreInc);
gameState.HideFruit();
gameNotifications.Publish(GameNotification.EatFruit);
}