/// <summary>
/// Reads the .data file of the sector.
/// </summary>
/// <param name="path">The .data file of the sector.</param>
private void ReadData(string path)
{
using var fs = CreateOpenFileStream(path);
using var r = new BinaryReader(fs);
// Header
var dataHeader = new Header();
dataHeader.Deserialize(r);
// Items
while (r.BaseStream.Position < r.BaseStream.Length)
{
var uid = r.ReadUInt64();
if (uid == dataEof)
{
break;
}
MapItem item;
if (!MapItems.TryGetValue(uid, out item))
{
throw new KeyNotFoundException($"{ToString()}.data contains " +
$"unknown UID {uid} - can't continue.");
}
var serializer = (IDataPayload)MapItemSerializerFactory.Get(item.ItemType);
serializer.DeserializeDataPayload(r, item);
}
}
/// <summary>
/// Reads items from a .base or .aux file.
/// </summary>
/// <param name="r">The reader.</param>
/// <param name="file">The file which is being read.</param>
private void ReadItems(BinaryReader r, ItemFile file)
{
var itemCount = r.ReadUInt32();
MapItems.EnsureCapacity(MapItems.Count + (int)itemCount);
for (int i = 0; i < itemCount; i++)
{
var itemType = (ItemType)r.ReadInt32();
var serializer = MapItemSerializerFactory.Get(itemType);
var item = serializer.Deserialize(r);
// deal with signs which can be in aux *and* base
if (item is Sign sign && file != sign.DefaultItemFile)
{
sign.ItemFile = file;
}
private void ReadItems(BinaryReader r, uint itemCount)
{
Items = new List <MapItem>((int)itemCount);
for (int i = 0; i < itemCount; i++)
{
var itemType = (ItemType)r.ReadInt32();
var serializer = MapItemSerializerFactory.Get(itemType);
var item = serializer.Deserialize(r);
if (item.HasDataPayload)
{
(serializer as IDataPayload).DeserializeDataPayload(r, item);
}
Items.Add(item);
}
}
