(PLT): support PL10 animations.

This commit is contained in:
morkt 2023-09-07 12:13:58 +04:00
parent b8095c33ba
commit 40a523e590

View File

@ -23,8 +23,11 @@
// IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Windows.Media;
namespace GameRes.Formats.Kaguya
@ -98,4 +101,101 @@ namespace GameRes.Formats.Kaguya
return ImageData.CreateFlipped (Info, format, null, pixels, stride);
}
}
internal class Pl10Entry : An21Entry
{
public ImageMetaData Info;
}
[Export(typeof(ArchiveFormat))]
public class Pl10Opener : An21Opener
{
public override string Tag { get => "PL10"; }
public override uint Signature { get => 0x30314C50; } // 'PL10'
public Pl10Opener ()
{
Extensions = new string[] { "plt" };
}
public override ArcFile TryOpen (ArcView file)
{
using (var input = file.CreateStream())
{
var base_info = GetBaseInfo (input);
var dir = GetFramesList (input);
if (null == dir)
return null;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
foreach (Pl10Entry entry in dir)
{
entry.Name = string.Format ("{0}#{1:D2}", base_name, entry.FrameIndex);
entry.Type = "image";
}
var first = (Pl10Entry)dir[0];
base_info.BPP = first.Info.BPP;
return new An21Archive (file, this, dir, base_info);
}
}
internal ImageMetaData GetBaseInfo (IBinaryStream input)
{
input.Position = 6;
return new ImageMetaData
{
OffsetX = input.ReadInt32(),
OffsetY = input.ReadInt32(),
Width = input.ReadUInt32(),
Height = input.ReadUInt32(),
};
}
internal List<Entry> GetFramesList (IBinaryStream file)
{
file.Position = 4;
int count = file.ReadInt16();
if (!IsSaneCount (count))
return null;
var dir = new List<Entry> (count);
long current_offset = 0x16;
file.Position = current_offset;
var frame_info = new ImageMetaData {
OffsetX = file.ReadInt32(),
OffsetY = file.ReadInt32(),
Width = file.ReadUInt32(),
Height = file.ReadUInt32(),
BPP = file.ReadInt32() * 8,
};
uint depth = (uint)frame_info.BPP / 8;
uint image_size = depth * frame_info.Width * frame_info.Height;
var entry = new Pl10Entry
{
Offset = current_offset + 0x14,
Size = image_size,
FrameIndex = 0,
RleStep = 0,
Info = frame_info,
};
dir.Add (entry);
for (int i = 1; i < count; ++i)
{
current_offset = entry.Offset + entry.Size;
file.Position = current_offset;
byte rle_step = file.ReadUInt8();
uint packed_size = file.ReadUInt32();
entry = new Pl10Entry
{
Offset = current_offset + 5,
Size = packed_size,
UnpackedSize = image_size,
IsPacked = true,
FrameIndex = i,
RleStep = rle_step,
Info = frame_info,
};
dir.Add (entry);
}
return dir;
}
}
}