GARbro-mirror/ArcFormats/Leaf/ArcPAK.cs

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//! \file ArcPAK.cs
//! \date 2018 Nov 04
//! \brief Leaf resource archive.
//
// Copyright (C) 2018 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using GameRes.Compression;
namespace GameRes.Formats.Leaf
{
[Export(typeof(ArchiveFormat))]
public class KcapOpener : ArchiveFormat
{
public override string Tag { get { return "PAK/KCAP"; } }
public override string Description { get { return "Leaf resource archive"; } }
public override uint Signature { get { return 0x5041434B; } } // 'KCAP'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public KcapOpener ()
{
ContainedFormats = new[] { "TGA", "BJR", "BMP", "OGG", "WAV", "AMP/LEAF", "SCR" };
}
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public override ArcFile TryOpen (ArcView file)
{
int version = 0;
int count = file.View.ReadInt32 (4);
uint first_offset = file.View.ReadUInt32 (0x24);
if (!IsSaneCount (count) || count * 0x24 + 8 != first_offset)
{
version = 1;
count = file.View.ReadInt32 (8);
first_offset = file.View.ReadUInt32 (0x28);
if (!IsSaneCount (count) || count * 0x24 + 0xC != first_offset)
{
count = file.View.ReadInt32 (12);
first_offset = file.View.ReadUInt32 (0x34);
if (!IsSaneCount (count) || count * 0x2C + 0x10 != first_offset)
return null;
version = 2;
}
}
List<Entry> dir;
if (0 == version)
dir = ReadIndexV1 (file, count, 8);
else if (1 == version)
dir = ReadIndexV1 (file, count, 0xC);
else
dir = ReadIndexV2 (file, count);
if (null == dir)
return null;
return new ArcFile (file, this, dir);
}
List<Entry> ReadIndexV1 (ArcView file, int count, uint index_offset)
{
const uint index_entry_size = 0x24;
uint index_size = (uint)count * index_entry_size;
if (file.View.Reserve (index_offset, index_size) < index_size)
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return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (index_offset+0x20);
if (size != 0)
{
var name = file.View.ReadString (index_offset+4, 0x18);
var entry = Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset+0x1C);
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.IsPacked = file.View.ReadInt32 (index_offset) != 0;
dir.Add (entry);
}
index_offset += index_entry_size;
}
return dir;
}
List<Entry> ReadIndexV2 (ArcView file, int count)
{
const uint index_entry_size = 0x2C;
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uint index_offset = 0x10;
uint index_size = (uint)count * index_entry_size;
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if (file.View.Reserve (index_offset, index_size) < index_size)
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (index_offset+0x28);
if (size != 0)
{
var name = file.View.ReadString (index_offset+4, 0x18);
var entry = Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset+0x24);
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.IsPacked = file.View.ReadInt32 (index_offset) != 0;
dir.Add (entry);
}
index_offset += index_entry_size;
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}
return dir;
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}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = entry as PackedEntry;
if (null == pent || !pent.IsPacked)
return base.OpenEntry (arc, entry);
if (0 == pent.UnpackedSize)
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+4);
var input = arc.File.CreateStream (entry.Offset+8, entry.Size-8);
return new LzssStream (input);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
if (!entry.Name.HasExtension (".tga"))
return base.OpenImage (arc, entry);
var input = arc.OpenBinaryEntry (entry);
try
{
var header = input.ReadHeader (18);
if (0 == header[16])
header[16] = 32;
if (0 == header[17] && 32 == header[16])
header[17] = 8;
Stream tga_input = new StreamRegion (input.AsStream, 18);
tga_input = new PrefixStream (header.ToArray(), tga_input);
var tga = new BinaryStream (tga_input, entry.Name);
var info = ImageFormat.Tga.ReadMetaData (tga);
if (info != null)
{
tga.Position = 0;
return new ImageFormatDecoder (tga, ImageFormat.Tga, info);
}
}
catch { /* ignore errors */ }
input.Position = 0;
return ImageFormatDecoder.Create (input);
}
}
[Export(typeof(ScriptFormat))]
public class AmpFormat : GenericScriptFormat
{
public override string Type { get { return ""; } }
public override string Tag { get { return "AMP/LEAF"; } }
public override string Description { get { return "Leaf engine internal file"; } }
public override uint Signature { get { return 0; } }
}
[Export(typeof(ResourceAlias))]
[ExportMetadata("Extension", "SDT")]
[ExportMetadata("Target", "SCR")]
public class SdtFormat : ResourceAlias { }
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}