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(Seraphim): recognize raw bitmaps.

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This commit is contained in:
morkt
2018-05-07 01:07:28 +04:00
parent 1d87a66ef2
commit ac7303b4b3
1 changed files with 44 additions and 8 deletions
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52
ArcFormats/Seraphim/ArcSeraph.cs
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@@ -86,12 +86,9 @@ namespace GameRes.Formats.Seraphim
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
{ {
if (file.MaxOffset > uint.MaxValue) if (file.MaxOffset > uint.MaxValue
|| !VFS.IsPathEqualsToFileName (file.Name, "ArchPac.dat"))
return null; return null;
string name = Path.GetFileName (file.Name);
if (!name.Equals ("ArchPac.dat", StringComparison.InvariantCultureIgnoreCase))
return null;
foreach (var scheme in KnownSchemes.Values.Where (s => s.IndexOffset < file.MaxOffset)) foreach (var scheme in KnownSchemes.Values.Where (s => s.IndexOffset < file.MaxOffset))
{ {
var dir = ReadIndex (file, scheme); var dir = ReadIndex (file, scheme);
@@ -168,8 +165,7 @@ namespace GameRes.Formats.Seraphim
var input = arc.File.CreateStream (entry.Offset, entry.Size); var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (!(entry is PackedEntry)) if (!(entry is PackedEntry))
return input; return input;
int signature = arc.File.View.ReadUInt16 (entry.Offset); if (0x9C78 != (input.Signature & 0xFFFF))
if (0x9C78 != signature)
return input; return input;
return new ZLibStream (input, CompressionMode.Decompress); return new ZLibStream (input, CompressionMode.Decompress);
} }
@@ -180,7 +176,7 @@ namespace GameRes.Formats.Seraphim
var aent = entry as ArchEntry; var aent = entry as ArchEntry;
if (null == sarc || null == aent || null == sarc.EventMap if (null == sarc || null == aent || null == sarc.EventMap
|| aent.DirIndex != sarc.EventDir || !sarc.EventMap.ContainsKey (aent.FileIndex)) || aent.DirIndex != sarc.EventDir || !sarc.EventMap.ContainsKey (aent.FileIndex))
return base.OpenImage (arc, entry); return OpenRawImage (arc, entry);
var base_index = sarc.EventMap[aent.FileIndex]; var base_index = sarc.EventMap[aent.FileIndex];
var base_entry = sarc.Dir.Cast<ArchEntry>() var base_entry = sarc.Dir.Cast<ArchEntry>()
.FirstOrDefault (e => e.DirIndex == sarc.EventDir && e.FileIndex == base_index); .FirstOrDefault (e => e.DirIndex == sarc.EventDir && e.FileIndex == base_index);
@@ -193,6 +189,31 @@ namespace GameRes.Formats.Seraphim
return new CtOverlayDecoder (input, base_img); return new CtOverlayDecoder (input, base_img);
} }
IImageDecoder OpenRawImage (ArcFile arc, Entry entry)
{
var input = arc.OpenBinaryEntry (entry);
try
{
uint width = input.ReadUInt16();
uint height = input.ReadUInt16();
if (0x4243 == width || 0 == width || 0 == height || width * height * 3 + 4 != input.Length)
{
input.Position = 0;
return new ImageFormatDecoder (input);
}
else
{
var info = new ImageMetaData { Width = width, Height = height, BPP = 24 };
return new RawBitmapDecoder (input, info);
}
}
catch
{
input.Dispose();
throw;
}
}
SeraphReader OpenCtImage (ArcFile arc, Entry entry) SeraphReader OpenCtImage (ArcFile arc, Entry entry)
{ {
using (var input = arc.OpenBinaryEntry (entry)) using (var input = arc.OpenBinaryEntry (entry))
@@ -264,4 +285,19 @@ namespace GameRes.Formats.Seraphim
return ImageData.Create (Info, PixelFormats.Bgra32, null, dst); return ImageData.Create (Info, PixelFormats.Bgra32, null, dst);
} }
} }
internal class RawBitmapDecoder : BinaryImageDecoder
{
public RawBitmapDecoder (IBinaryStream input, ImageMetaData info) : base (input, info)
{
}
protected override ImageData GetImageData ()
{
m_input.Position = 4;
int stride = (int)Info.Width * 3;
var pixels = m_input.ReadBytes ((int)Info.Height * stride);
return ImageData.Create (Info, PixelFormats.Bgr24, null, pixels, stride);
}
}
} }