public TileLocationCollection GetSourcesFromDestination(TileLocation destination)
{
var result = new TileLocationCollection();
foreach (var connection in _items)
{
if (connection.Destination == destination && !result.Contains(connection.Source))
{
result.Add(connection.Source);
}
}
return(result);
}
public TileLocationCollection GetDestinationsFromSource(TileLocation source)
{
var result = new TileLocationCollection();
foreach (var connection in _items)
{
if (connection.Source == source)
{
result.Add(connection.Destination);
}
}
return(result);
}
public void Read(BinaryReader reader)
{
var offsetToNextLevel = reader.ReadUInt16() + reader.BaseStream.Position;
reader.BaseStream.Seek(sizeof(ushort), SeekOrigin.Current); // Level number
timeLimit = reader.ReadUInt16();
chipCount = reader.ReadUInt16();
var paramsRead = new bool[7];
while (reader.BaseStream.Position < offsetToNextLevel)
{
var field = reader.ReadByte();
if (!paramsRead[0] && field == FIELD_MAPDETAIL)
{
reader.BaseStream.Seek(sizeof(byte), SeekOrigin.Current); // Field is WORD for some reason; skip a byte
upperLayer.Read(reader);
lowerLayer.Read(reader);
reader.BaseStream.Seek(sizeof(ushort), SeekOrigin.Current); // Skip 'bytes to end of level'
paramsRead[0] = true;
}
else if (!paramsRead[1] && field == FIELD_TITLE)
{
var length = reader.ReadByte();
title = new string(reader.ReadChars(length), 0, length - 1);
paramsRead[1] = true;
}
else if (!paramsRead[2] && field == FIELD_TRAPCONNECTIONS)
{
var length = reader.ReadByte();
var buffer = reader.ReadBytes(length);
trapConnections.Clear();
for (int i = 0; i < length; i += 10)
{
trapConnections.Add(new TileConnection(BitConverter.ToInt16(buffer, i), BitConverter.ToInt16(buffer, i + 2), BitConverter.ToInt16(buffer, i + 4), BitConverter.ToInt16(buffer, i + 6)));
}
paramsRead[2] = true;
}
else if (!paramsRead[3] && field == FIELD_CLONECONNECTIONS)
{
var length = reader.ReadByte();
var buffer = reader.ReadBytes(length);
cloneConnections.Clear();
for (int i = 0; i < length; i += 8)
{
cloneConnections.Add(new TileConnection(BitConverter.ToInt16(buffer, i), BitConverter.ToInt16(buffer, i + 2), BitConverter.ToInt16(buffer, i + 4), BitConverter.ToInt16(buffer, i + 6)));
}
paramsRead[3] = true;
}
else if (!paramsRead[4] && field == FIELD_PASSWORD)
{
var buffer = reader.ReadBytes(reader.ReadByte());
password = DecodePassword(buffer);
paramsRead[4] = true;
}
else if (!paramsRead[5] && field == FIELD_HINT)
{
var length = reader.ReadByte();
hint = new string(reader.ReadChars(length), 0, length - 1);
paramsRead[5] = true;
}
else if (!paramsRead[6] && field == FIELD_MONSTERLOCATIONS)
{
var length = reader.ReadByte();
var buffer = reader.ReadBytes(length);
monsterLocations.Clear();
for (int i = 0; i < length; i += 2)
{
monsterLocations.Add(new TileLocation(buffer[i], buffer[i + 1]));
}
paramsRead[6] = true;
}
}
}
