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use stream reader extensions for loading ra/cnc Terrain

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This commit is contained in:
Matthias Mailänder
2013-08-25 14:29:03 +02:00
parent b44d5a87f6
commit ae00cb3adf
1 changed files with 36 additions and 34 deletions
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70
OpenRA.FileFormats/Map/Terrain.cs
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@@ -19,53 +19,55 @@ namespace OpenRA.FileFormats
public readonly int Width;
public readonly int Height;
public Terrain(Stream stream)
public Terrain(Stream s)
{
// Try loading as a cnc .tem
BinaryReader reader = new BinaryReader( stream );
Width = reader.ReadUInt16();
Height = reader.ReadUInt16();
Width = s.ReadUInt16();
Height = s.ReadUInt16();
/*NumTiles = */reader.ReadUInt16();
/*Zero1 = */reader.ReadUInt16();
/*uint Size = */reader.ReadUInt32();
uint ImgStart = reader.ReadUInt32();
/*Zero2 = */reader.ReadUInt32();
/*NumTiles = */s.ReadUInt16();
/*Zero1 = */s.ReadUInt16();
/*uint Size = */s.ReadUInt32();
var imgStart = s.ReadUInt32();
/*Zero2 = */s.ReadUInt32();
int IndexEnd, IndexStart;
if (reader.ReadUInt16() == 65535) // ID1 = FFFFh for cnc
int indexEnd, indexStart;
// ID1 = FFFFh for cnc
if (s.ReadUInt16() == 65535)
{
/*ID2 = */reader.ReadUInt16();
IndexEnd = reader.ReadInt32();
IndexStart = reader.ReadInt32();
/*ID2 = */s.ReadUInt16();
indexEnd = s.ReadInt32();
indexStart = s.ReadInt32();
}
else // Load as a ra .tem
else
{
stream.Position = 0;
reader = new BinaryReader( stream );
Width = reader.ReadUInt16();
Height = reader.ReadUInt16();
// Load as a ra .tem
s.Position = 0;
Width = s.ReadUInt16();
Height = s.ReadUInt16();
/*NumTiles = */reader.ReadUInt16();
reader.ReadUInt16();
/*XDim = */reader.ReadUInt16();
/*YDim = */reader.ReadUInt16();
/*uint FileSize = */reader.ReadUInt32();
ImgStart = reader.ReadUInt32();
reader.ReadUInt32();
reader.ReadUInt32();
IndexEnd = reader.ReadInt32();
reader.ReadUInt32();
IndexStart = reader.ReadInt32();
/*NumTiles = */s.ReadUInt16();
s.ReadUInt16();
/*XDim = */s.ReadUInt16();
/*YDim = */s.ReadUInt16();
/*uint FileSize = */s.ReadUInt32();
imgStart = s.ReadUInt32();
s.ReadUInt32();
s.ReadUInt32();
indexEnd = s.ReadInt32();
s.ReadUInt32();
indexStart = s.ReadInt32();
}
stream.Position = IndexStart;
foreach( byte b in new BinaryReader(stream).ReadBytes(IndexEnd - IndexStart) )
s.Position = indexStart;
foreach (byte b in s.ReadBytes(indexEnd - indexStart))
{
if (b != 255)
{
stream.Position = ImgStart + b * Width * Height;
TileBitmapBytes.Add(new BinaryReader(stream).ReadBytes(Width * Height));
s.Position = imgStart + b * Width * Height;
TileBitmapBytes.Add(s.ReadBytes(Width * Height));
}
else
TileBitmapBytes.Add(null);