private PlayerInfoKeyPair ReadOffsets(BinaryReader reader, long startOffset, byte[] key, byte keyStart)
{
var offset = startOffset > 0? startOffset:0;
var keyData = new PlayerInfoKeyPair();
keyData.KeyNameLength = keyStart;
keyData.KeyId = key;
reader.BaseStream.Seek(offset, SeekOrigin.Begin);
try
{
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
keyData.KeyOffset = reader.BaseStream.Position;
var b = reader.ReadByte();
var backOf = reader.BaseStream.Position;
if (b == keyStart)
{
var scan = reader.ReadBytes(key.Length);
if (scan.SequenceEqual(key))
{
keyData.ValueOffset = reader.BaseStream.Position;
return(keyData);
}
reader.BaseStream.Seek(backOf, SeekOrigin.Begin);
}
}
}
catch
{
}
return(null);
}
/// <summary>
/// Updates the raw file only if the value has changed.
/// </summary>
/// <param name="writer">data writer</param>
/// <param name="data">data</param>
/// <param name="newValue">new value to write</param>
/// <returns></returns>
private bool UpdateIfChanged(BinaryWriter writer, PlayerInfoKeyPair data, int newValue)
{
if (newValue != data.Value4byte)
{
data.Value4byte = newValue;
WriteKeyValue(writer, data);
///set modified to true to notify program the player.chr file needs to be updated
_modified = true;
return(true);
}
return(false);
}
protected void WriteKeyValue(BinaryWriter writer, PlayerInfoKeyPair keyPair)
{
writer.BaseStream.Seek(keyPair.ValueOffset, SeekOrigin.Begin);
if (typeof(Single) == keyPair.Type)
{
writer.Write(Convert.ToSingle(keyPair.Value4byte));
}
else if (typeof(Int32) == keyPair.Type)
{
writer.Write(keyPair.Value4byte);
}
else
{
writer.Write(keyPair.Value4byte);
}
}
