private IEnumerable <VaultPossibleConnection> GetPossibleVaultConnections(IMap map, List <VaultPlacement> vaultPlacements)
{
foreach (var vault in vaultPlacements)
{
foreach (var otherVault in vaultPlacements.Except(new[] { vault }))
{
foreach (var connectFrom in vault.VaultConnectionPoints)
{
foreach (var connectTo in otherVault.VaultConnectionPoints)
{
var pointsBetween = _lineDrawing.DrawLine(connectFrom.Coordinate, connectTo.Coordinate).Except(new[] { connectFrom.Coordinate, connectTo.Coordinate });
if (!pointsBetween.Any(p => map.CellExists(p)))
{
var connection = new VaultPossibleConnection
{
FirstVault = vault,
SecondVault = otherVault,
First = connectFrom,
Second = connectTo
};
yield return(connection);
}
}
}
}
}
}
private void AddVaultConnectionToMap(IMap map, VaultPossibleConnection vaultConnection)
{
if (vaultConnection.IsRightAngle)
{
var corner = vaultConnection.GetCorner();
CarveCornerTunnel(map, vaultConnection.First.Coordinate, corner);
CarveCornerTunnel(map, vaultConnection.Second.Coordinate, corner);
}
else // We're straight across.
{
var(firstCorner, secondCorner) = vaultConnection.GetCorners();
CarveCornerTunnel(map, vaultConnection.First.Coordinate, firstCorner);
CarveCornerTunnel(map, firstCorner, secondCorner);
CarveCornerTunnel(map, secondCorner, vaultConnection.Second.Coordinate);
}
}