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another variation of kaguya 'parts' images.

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This commit is contained in:
morkt 2016-03-07 17:43:45 +04:00
parent 61def57667
commit 0a2b1f1583
1 changed files with 80 additions and 21 deletions
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101
ArcFormats/Kaguya/ImageAPS.cs
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@ -77,30 +77,35 @@ namespace GameRes.Formats.Kaguya
uint data_size = reader.ReadUInt32();
if (data_size > stream.Length-stream.Position)
return null;
int compression = reader.ReadInt16();
var info = new ApsMetaData
{
Width = (uint)rect.Width,
Height = (uint)rect.Height,
BPP = 32,
IsPacked = 0 != compression,
};
if (0 == compression)
{
info.UnpackedSize = reader.ReadUInt32();
}
else if (1 == compression)
{
info.PackedSize = reader.ReadUInt32();
info.UnpackedSize = reader.ReadUInt32();
}
else
return null;
info.DataOffset = (uint)stream.Position;
return info;
return ReadCompressionMetaData (reader, rect);
}
}
internal ApsMetaData ReadCompressionMetaData (BinaryReader reader, Rectangle rect)
{
int compression = reader.ReadInt16();
var info = new ApsMetaData
{
Width = (uint)rect.Width,
Height = (uint)rect.Height,
BPP = 32,
IsPacked = 0 != compression,
};
if (0 == compression)
{
info.UnpackedSize = reader.ReadUInt32();
}
else if (1 == compression)
{
info.PackedSize = reader.ReadUInt32();
info.UnpackedSize = reader.ReadUInt32();
}
else
return null;
info.DataOffset = (uint)reader.BaseStream.Position;
return info;
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = (ApsMetaData)info;
@ -133,4 +138,58 @@ namespace GameRes.Formats.Kaguya
throw new System.NotImplementedException ("Aps3Format.Write not implemented");
}
}
[Export(typeof(ImageFormat))]
public class ApsFormat : Aps3Format
{
public override string Tag { get { return "APS"; } }
public override string Description { get { return "KaGuYa tiled image format"; } }
public override uint Signature { get { return 0; } }
public ApsFormat ()
{
Extensions = new string[] { "aps", "parts" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
using (var reader = new ArcView.Reader (stream))
{
int name_count = reader.ReadInt16();
if (name_count <= 0 || name_count > 1000)
return null;
for (int i = 0; i < name_count; ++i)
{
int name_length = reader.ReadInt32();
if (name_length <= 0 || name_length > 260)
return null;
stream.Seek (name_length, SeekOrigin.Current);
}
int tile_count = reader.ReadInt16();
if (tile_count <= 0 || tile_count > 1000)
return null;
var rect = new Rectangle (0, 0, 0, 0);
for (int i = 0; i < tile_count; ++i)
{
int name_length = reader.ReadInt32();
if (name_length <= 0 || name_length > 260)
return null;
stream.Seek (name_length+0xC, SeekOrigin.Current);
int x = reader.ReadInt32();
int y = reader.ReadInt32();
int w = reader.ReadInt32() - x;
int h = reader.ReadInt32() - y;
var part_rect = new Rectangle (x, y, w, h);
rect = Rectangle.Union (rect, part_rect);
stream.Seek (0x28, SeekOrigin.Current);
}
return ReadCompressionMetaData (reader, rect);
}
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("ApsFormat.Write not implemented");
}
}
}