/// <summary>
/// Unserializes a BinaryStream into the Attributes of this Instance
/// </summary>
/// <param name="index">Index of this Map in the Block</param>
/// <param name="mapcount">Number of Maps in the block (0 is the smallest map)</param>
/// <param name="reader">The Stream that contains the FileData</param>
public void Unserialize(System.IO.BinaryReader reader, int index, int mapcount)
{
this.index = index;
this.mapcount = mapcount;
datatype = (MipMapType)reader.ReadByte();
switch (datatype)
{
case MipMapType.Texture:
{
int imgsize = reader.ReadInt32();
//data = reader.ReadBytes(imgsize);
long pos = reader.BaseStream.Position;
//System.IO.BinaryReader br = new System.IO.BinaryReader(new System.IO.MemoryStream(data));
if (!parent.Parent.Fast)
{
try
{
data = reader.ReadBytes(imgsize);
/*if (!Helper.DebugMode)
* {
* // this is derefered now, until application reads the Texture Property
* reader.BaseStream.Seek(-imgsize, System.IO.SeekOrigin.Current);
* img = ImageLoader.Load(parent.TextureSize, imgsize, parent.Format, reader, index, mapcount);
* }
* else*/
{
datatype = MipMapType.SimPE_PlainData;
img = null;
}
}
catch (Exception ex)
{
Helper.ExceptionMessage("", ex);
}
}
byte[] over = reader.ReadBytes((int)Math.Max(0, pos + imgsize - reader.BaseStream.Position));
reader.BaseStream.Seek(pos + imgsize, System.IO.SeekOrigin.Begin);
break;
}
case MipMapType.LifoReference:
{
/*byte len = reader.ReadByte();
* lifofile = Helper.ToString(reader.ReadBytes(len));*/
lifofile = reader.ReadString();
break;
}
default:
{
throw new Exception("Unknown MipMap Datatype 0x" + Helper.HexString((byte)datatype));
}
}
}
//Rcol parent;
/*public Rcol Parent
* {
* get { return parent; }
* }*/
/// <summary>
/// Constructor
/// </summary>
public LevelInfo(Rcol parent) : base(parent)
{
texturesize = new Size(0, 0);
zlevel = 0;
sgres = new SGResource(null);
BlockID = 0xED534136;
data = new byte[0];
datatype = MipMapType.SimPE_PlainData;
}
/// <summary>
/// Constructore
/// </summary>
public MipMap(ImageData parent)
{
this.parent = parent;
this.datatype = MipMapType.SimPE_PlainData;
data = new Byte[0];
}
/// <summary>
/// Unserializes a BinaryStream into the Attributes of this Instance
/// </summary>
/// <param name="reader">The Stream that contains the FileData</param>
public override void Unserialize(System.IO.BinaryReader reader)
{
version = reader.ReadUInt32();
string s = reader.ReadString();
sgres.BlockID = reader.ReadUInt32();
sgres.Unserialize(reader);
int w = reader.ReadInt32();
int h = reader.ReadInt32();
texturesize = new Size(w, h);
zlevel = reader.ReadInt32();
int size = reader.ReadInt32();
if (Parent.Fast)
{
reader.BaseStream.Seek(size, System.IO.SeekOrigin.Current);
texturesize = new Size(0, 0);
img = null;
return;
}
/*if (size == w*h) format = ImageLoader.TxtrFormats.DXT3Format;
* else*/format = ImageLoader.TxtrFormats.DXT1Format;
//Pumckl Contribution
//-- 8< --------------------------------------------- 8< -----
if (size == 4 * w * h)
{
format = ImageLoader.TxtrFormats.Raw32Bit;
}
else if (size == 3 * w * h)
{
format = ImageLoader.TxtrFormats.Raw24Bit;
}
else if (size == w * h) // could be RAW8, DXT3 or DXT5
{
// it seems to be difficult to determine the right format
if (sgres.FileName.IndexOf("bump") > 0)
{ // its a bump-map
format = ImageLoader.TxtrFormats.Raw8Bit;
}
else
{
// i expect the upper left 4x4 corner of the pichture have
// all the same alpha so i can determine if it's DXT5
// i guess, it's somewhat dirty but what can i do else?
long pos = reader.BaseStream.Position;
ulong alpha = reader.ReadUInt64(); // read the first 8 byte of the image
reader.BaseStream.Position = pos;
// on DXT5 if all alpha are the same the bytes 0 or 1 are not zero
// and the bytes 2-7 (codebits) ara all zero
if (((alpha & 0xffffffffffff0000) == 0) && ((alpha & 0xffff) != 0))
{
format = ImageLoader.TxtrFormats.DXT5Format;
}
else
{
format = ImageLoader.TxtrFormats.DXT3Format;
}
}
}
else
{
format = ImageLoader.TxtrFormats.DXT1Format; // size < w*h
}
//-- 8< --------------------------------------------- 8< -----
long p1 = reader.BaseStream.Position;
size = (int)(reader.BaseStream.Length - p1);
/*if (!Helper.DebugMode)
* {
* datatype = MipMapType.Texture;
* img = ImageLoader.Load(texturesize, size, format, reader, -1, 1);
* reader.BaseStream.Seek(p1, System.IO.SeekOrigin.Begin);
* }
* else */
{
datatype = MipMapType.SimPE_PlainData;
}
data = reader.ReadBytes(size);
}
