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implemented UCG archives.

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This commit is contained in:
morkt 2018-02-07 04:03:18 +04:00
parent 83ff904cae
commit 479173951f
1 changed files with 38 additions and 8 deletions
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44
ArcFormats/Software House Parsley/ArcCG.cs
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@ -27,9 +27,9 @@ using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Compression;
namespace GameRes.Formats.Parsley
{
@ -96,7 +96,8 @@ namespace GameRes.Formats.Parsley
if (!IsSaneCount (count))
return null;
var arc_name = Path.GetFileName (file.Name);
bool is_cg = arc_name == "CG";
bool is_ucg = arc_name.StartsWith ("UCG", StringComparison.OrdinalIgnoreCase);
bool is_cg = is_ucg || arc_name == "CG";
using (var index = file.CreateStream())
{
@ -107,23 +108,27 @@ namespace GameRes.Formats.Parsley
var name = index.ReadCString();
if (string.IsNullOrWhiteSpace (name) || name.Length > 0x100)
return null;
var entry = FormatCatalog.Instance.Create<Entry> (name);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = index.ReadUInt32();
if (entry.Offset >= file.MaxOffset || entry.Offset < index.Position)
if (entry.Offset >= file.MaxOffset)
return null;
entry.IsPacked = is_ucg;
dir.Add (entry);
}
long index_end = index.Position;
for (int i = 0; i < count; ++i)
{
var entry = dir[i];
if (entry.Offset < index_end)
return null;
long next_offset = i+1 < count ? dir[i+1].Offset : file.MaxOffset;
entry.Size = (uint)(next_offset - entry.Offset);
if (is_cg)
entry.Type = "image";
}
if (is_cg)
if (is_cg && !is_ucg)
{
var palette_entry = dir.FirstOrDefault (e => e.Name.Equals ("Palette", StringComparison.InvariantCultureIgnoreCase));
var palette_entry = dir.Find (e => e.Name.Equals ("Palette", StringComparison.OrdinalIgnoreCase));
if (palette_entry != null && 1 == file.View.ReadByte (palette_entry.Offset+8))
{
var palette = ImageFormat.ReadPalette (file, palette_entry.Offset+9, 0x100, PaletteFormat.Rgb);
@ -139,16 +144,21 @@ namespace GameRes.Formats.Parsley
int type = arc.File.View.ReadByte (entry.Offset+8);
if (type > 1)
return base.OpenImage (arc, entry);
var pent = entry as PackedEntry;
bool packed = pent != null && pent.IsPacked;
var info = new CgMetaData {
Width = arc.File.View.ReadUInt32 (entry.Offset),
Height = arc.File.View.ReadUInt32 (entry.Offset+4),
BPP = 8,
BPP = packed ? 16 : 8,
HasPalette = type == 1,
};
var cg_arc = arc as CgArchive;
if (cg_arc != null)
info.DefaultPalette = cg_arc.DefaultPalette;
var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (packed)
return new UCgDecoder (input, info);
else
return new CgDecoder (input, info);
}
}
@ -199,4 +209,24 @@ namespace GameRes.Formats.Parsley
m_input.Position = 0x20909;
}
}
internal class UCgDecoder : BinaryImageDecoder
{
public UCgDecoder (IBinaryStream input, CgMetaData info) : base (input, info)
{
}
protected override ImageData GetImageData ()
{
m_input.Position = 0x10;
using (var lz = new LzssStream (m_input.AsStream, LzssMode.Decompress, true))
{
int stride = (int)Info.Width * 2;
var pixels = new byte[stride * (int)Info.Height];
if (pixels.Length != lz.Read (pixels, 0, pixels.Length))
throw new InvalidFormatException();
return ImageData.Create (Info, PixelFormats.Bgr565, null, pixels, stride);
}
}
}
}