public void TestSerialize()
{
var points = new HexPoint[]
{
new HexPoint(0, 0, 1, 0, 1, 1),
new HexPoint(-2, -2, -2, -1, -1, -1),
new HexPoint(int.MaxValue - 1, int.MaxValue - 1, int.MaxValue, int.MaxValue - 1, int.MaxValue, int.MaxValue)
};
foreach (var point in points)
{
var str = point.ToString();
var actual = new HexPoint();
actual.FromString(str);
Assert.AreEqual(point, actual, "The FromString method must produce the exact object that called the ToString method.");
}
}
/// <summary>
/// Places a building for the given player at the given location.
/// If it's the start of the game, the building is free.
/// Otherwise, resources will be removed from the player.
/// </summary>
public ActionResult PlayerPlaceBuilding(int playerId, BuildingTypes type, HexPoint location)
{
var validation = ValidatePlayerAction(PlayerTurnState.PlacingBuilding, playerId);
if (validation.Failed) return validation;
var pr = GetPlayerFromId(playerId);
if (pr.Failed) return pr;
var player = pr.Data;
bool startOfGame = (_gameState == GameStates.InitialPlacement);
// Make sure the player doesn't place too many buildings in the intial placement phase
if (startOfGame)
{
if (type != BuildingTypes.Settlement)
return ActionResult.CreateFailed("Can only place settlements during the initial placement phase.");
var buildingCount = _gameBoard.GetBuildingCountForPlayer(playerId);
var maxBuildingCount = (LastPlayerHasPlaced) ? 2 : 1;
if (buildingCount >= maxBuildingCount)
return ActionResult.CreateFailed("Cannot place any more settlements during the initial placement phase.");
}
var placementValidation = _gameBoard.ValidateBuildingPlacement(playerId, type, location, startOfGame);
if (placementValidation.Failed) return placementValidation;
PurchasableItems itemToBuy = (type == BuildingTypes.City)
? PurchasableItems.City
: PurchasableItems.Settlement;
var purchaseResult = player.Purchase(itemToBuy, startOfGame);
if (purchaseResult.Failed) return purchaseResult;
// We'll assume this succeeds because we already validated it.
var placement = _gameBoard.PlaceBuilding(player.Id, type, location, startOfGame);
System.Diagnostics.Debug.Assert(placement.Succeeded);
// Update game and player states.
if (_gameState == GameStates.InitialPlacement)
{
var buildingCount = _gameBoard.GetBuildingCountForPlayer(playerId);
if (buildingCount == 2)
{
// We've played the second building during the setup phase. Collect resources.
var resources = _gameBoard.GetResourcesForBuilding(location, BuildingTypes.Settlement);
player.ResourceCards.Add(resources);
}
_playerTurnState = PlayerTurnState.PlacingRoad;
}
else if (_gameState == GameStates.GameInProgress)
{
_playerTurnState = PlayerTurnState.TakeAction;
}
return ActionResult.CreateSuccess();
}
private PointF HexPointToAbsolutePoint(HexPoint hexPoint)
{
var h1 = HexagonToAbsolutePoints(hexPoint.Hex1);
var h2 = HexagonToAbsolutePoints(hexPoint.Hex2);
var h3 = HexagonToAbsolutePoints(hexPoint.Hex3);
var centerPoint = h1.Intersect(h2).Intersect(h3).ToArray();
if (centerPoint.Length == 1)
return centerPoint[0];
return PointF.Empty;
}
private void DrawBuilding(Graphics gfx, HexPoint point, Building building)
{
var centerPoint = HexPointToAbsolutePoint(point);
if (centerPoint != PointF.Empty) // Should never draw a building at (0,0)...
{
Brush b = new SolidBrush(PlayerToColor(building.Player));
Pen p = new Pen(Color.Black, 1f);
var relativeSize = (building.Type == BuildingTypes.Settlement) ? (RelativeTileWidth)*(1/5f) : (RelativeTileWidth)*(2/5f);
var width = this.Width*relativeSize/100f;
var height = this.Height*relativeSize/100f;
var rect = centerPoint.GetRect(width, height);
gfx.FillRectangle(b, rect);
gfx.DrawRectangle(p, rect.X, rect.Y, rect.Width, rect.Height);
b.Dispose();
p.Dispose();
}
}
private bool IsPointInBoard(HexPoint point)
{
return _validBoardPoints.Contains(point);
}
private bool IsPlayerBuildingHere(int player, HexPoint point)
{
if (_buildings.ContainsKey(point))
{
var b = _buildings[point];
return (b.Player == player);
}
return false;
}
/// <summary>
/// Returns a success result if this is a valid placement for a building.
/// </summary>
public ActionResult ValidateBuildingPlacement(int player, BuildingTypes buildingType, HexPoint point, bool startOfGame)
{
if (!IsPointInBoard(point))
{
return new ActionResult(false, string.Format("The location {0} is out of bounds.", point));
}
if (_buildings.ContainsKey(point))
{
if (_buildings[point].Player != player)
return new ActionResult(false, string.Format("The location {0} is already used by another player.", point));
// If this play has something here, make sure that it's not a city, which can't be upgraded.
if (_buildings[point].Type == BuildingTypes.City)
return new ActionResult(false, string.Format("The location {0} already contains a city.", point));
// If the existing building is a settlement, make sure the building being placed is not a settlement.
if (buildingType == BuildingTypes.Settlement)
return new ActionResult(false, string.Format("The location {0} already contains a settlement.", point));
}
// Check that there isn't a neighboring building.
var buildingNearby = point.GetNeighborPoints().Any(b => _buildings.ContainsKey(b));
if (buildingNearby)
{
return new ActionResult(false, string.Format("The location {0} is too close to another settlement or city.", point));
}
if (!startOfGame)
{
// Make sure the player has a road nearby.
bool roadNearby = point.GetNeighborEdges().Any(r => IsPlayerRoadHere(player, r));
if (!roadNearby)
{
return new ActionResult(false, string.Format("The location {0} is not touching a road.", point));
}
}
return ActionResult.CreateSuccess();
}
/// <summary>
/// Places a new building onto the board. A player is allowed to upgrade a settlement to a city.
/// </summary>
public ActionResult PlaceBuilding(int player, BuildingTypes buildingType, HexPoint point, bool startOfGame)
{
var validationResult = ValidateBuildingPlacement(player, buildingType, point, startOfGame);
if (validationResult.Failed) return validationResult;
_buildings[point] = new Building(player, buildingType);
return ActionResult.CreateSuccess();
}
/// <summary>
/// Gets the resources generated by a building location. Ignores the robber.
/// </summary>
public ResourceCollection GetResourcesForBuilding(HexPoint location, BuildingTypes type)
{
var result = new ResourceCollection();
foreach (var hex in location.GetHexes())
{
if (_resourceTiles.ContainsKey(hex))
{
var tile = _resourceTiles[hex];
int count = (type == BuildingTypes.Settlement) ? 1 : 2;
result[tile.Resource] += count;
}
}
return result;
}
/// <summary>
/// Indicates if the hexagon contains the given point.
/// </summary>
public bool ContainsPoint(HexPoint point)
{
return GetPoints().Contains(point);
}