public static bool PresetLoadHook(CharacterMgr mgr, out CharacterMgr.Preset result, BinaryReader br,
string fileName)
{
result = null;
if (fileName == null ||
!Path.GetExtension(fileName).Equals(".png", StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
var stream = br.BaseStream;
var buf = new byte[IEND_MAGIC.Length];
var pos = 0;
for (;; stream.Position = ++pos)
{
var len = stream.Read(buf, 0, buf.Length);
if (len != IEND_MAGIC.Length)
{
return(true);
}
if (BytesEqual(buf, IEND_MAGIC))
{
break;
}
}
// Skip CRC
stream.Position += 4;
var prevPos = stream.Position;
if (br.ReadString() != "CM3D2_PRESET")
{
return(true);
}
stream.Position = prevPos;
result = mgr.PresetLoad(br, null);
result.strFileName = fileName;
return(true);
}