public G00TileDecoder(IBinaryStream input, ImageMetaData info, G00Entry entry)
: base(input, info)
{
g00ent = entry;
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".g00"))
{
return(null);
}
if (file.View.ReadByte(0) != 2)
{
return(null);
}
uint width = file.View.ReadUInt16(1);
uint height = file.View.ReadUInt16(3);
if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
{
return(null);
}
int count = file.View.ReadInt16(5);
if (count <= 1 || count > 0x100)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 9;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new G00Entry {
Name = string.Format("{0}#{1:D3}", base_name, i),
X = file.View.ReadInt32(index_offset),
Y = file.View.ReadInt32(index_offset + 4),
};
dir.Add(entry);
index_offset += 0x18;
}
byte[] bitmap;
using (var input = file.CreateStream(index_offset))
bitmap = G00Reader.LzDecompress(input, 2, 1);
using (var input = new BinMemoryStream(bitmap))
{
if (input.ReadInt32() != count)
{
return(null);
}
for (int i = 0; i < count; ++i)
{
dir[i].Offset = input.ReadUInt32();
dir[i].Size = input.ReadUInt32();
}
}
dir = dir.Where(e => e.Size != 0).ToList();
if (0 == dir.Count)
{
return(null);
}
var info = new ImageMetaData {
Width = width, Height = height, BPP = 32
};
return(new G00Archive(file, this, dir, info, bitmap));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.EndsWith (".g00", StringComparison.InvariantCultureIgnoreCase))
return null;
if (file.View.ReadByte (0) != 2)
return null;
uint width = file.View.ReadUInt16 (1);
uint height = file.View.ReadUInt16 (3);
if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
return null;
int count = file.View.ReadInt16 (5);
if (count <= 1 || count > 0x100)
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint size = width * height * 4 + 0x12; // virtual TGA image size
uint index_offset = 9;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new G00Entry {
Name = string.Format ("{0}#{1:D3}.tga", base_name, i),
X = file.View.ReadInt32 (index_offset),
Y = file.View.ReadInt32 (index_offset+4),
IsPacked = true,
UnpackedSize = size,
};
dir.Add (entry);
index_offset += 0x18;
}
byte[] bitmap;
using (var input = file.CreateStream (index_offset))
using (var bin = new BinaryReader (input))
bitmap = G00Reader.LzDecompress (bin, 2, 1);
using (var input = new MemoryStream (bitmap))
using (var reader = new BinaryReader (input))
{
if (reader.ReadInt32() != count)
return null;
for (int i = 0; i < count; ++i)
{
dir[i].Offset = reader.ReadUInt32();
dir[i].Size = reader.ReadUInt32();
}
}
dir = dir.Where (e => e.Size != 0).ToList();
if (0 == dir.Count)
return null;
var info = new ImageMetaData { Width = width, Height = height, BPP = 32 };
return new G00Archive (file, this, dir, info, bitmap);
}
