GARbro-mirror/ArcFormats/Leaf/ArcPAK.cs
2019-03-23 20:00:39 +04:00

232 lines
8.4 KiB
C#

//! \file ArcPAK.cs
//! \date 2018 Nov 04
//! \brief Leaf resource archive.
//
// Copyright (C) 2018-2019 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;
using GameRes.Utility.Serialization;
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" };
}
public override ArcFile TryOpen (ArcView file)
{
int version = -1;
int count = file.View.ReadInt32 (4);
uint index_offset = 8;
uint first_offset = file.View.ReadUInt32 (0x20);
if (IsSaneCount (count))
{
if (count * 0x20 + 8 == first_offset)
{
version = 0;
}
else
{
first_offset = file.View.ReadUInt32 (0x24);
if (count * 0x24 + 8 == first_offset)
version = 1;
}
}
if (version < 0)
{
count = file.View.ReadInt32 (8);
first_offset = file.View.ReadUInt32 (0x28);
if (IsSaneCount (count) && count * 0x24 + 0xC == first_offset)
{
version = 1;
index_offset = 0xC;
}
else
{
count = file.View.ReadInt32 (12);
first_offset = file.View.ReadUInt32 (0x34);
if (IsSaneCount (count) && count * 0x2C + 0x10 == first_offset)
{
version = 2;
index_offset = 0x10;
}
}
}
List<Entry> dir = null;
switch (version)
{
case 0: dir = ReadIndex<EntryDefV0> (file, count, index_offset); break;
case 1: dir = ReadIndex<EntryDefV1> (file, count, index_offset); break;
case 2: dir = ReadIndex<EntryDefV2> (file, count, index_offset); break;
default: return null;
}
if (null == dir)
return null;
return new ArcFile (file, this, dir);
}
List<Entry> ReadIndex<EntryDef> (ArcView file, int count, uint index_offset)
where EntryDef : IEntryDefinition, new()
{
using (var input = file.CreateStream())
{
input.Position = index_offset;
var dir = new List<Entry> (count);
var def = new EntryDef();
for (int i = 0; i < count; ++i)
{
input.ReadStruct (out def);
if (def.Size != 0)
{
var entry = Create<PackedEntry> (def.Name);
entry.Offset = def.Offset;
entry.Size = def.Size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.IsPacked = def.IsPacked;
dir.Add (entry);
}
}
return dir;
}
}
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 { }
internal interface IEntryDefinition
{
string Name { get; }
long Offset { get; }
uint Size { get; }
bool IsPacked { get; }
}
#pragma warning disable 649,169
internal struct EntryDefV0 : IEntryDefinition
{
[CString(Length = 0x18)]
string _name;
uint _offset;
uint _size;
public string Name { get { return _name; } }
public long Offset { get { return _offset; } }
public uint Size { get { return _size; } }
public bool IsPacked { get { return true; } }
}
internal struct EntryDefV1 : IEntryDefinition
{
int _is_packed;
[CString(Length = 0x18)]
string _name;
uint _offset;
uint _size;
public string Name { get { return _name; } }
public long Offset { get { return _offset; } }
public uint Size { get { return _size; } }
public bool IsPacked { get { return _is_packed != 0; } }
}
internal struct EntryDefV2 : IEntryDefinition
{
int _is_packed;
[CString(Length = 0x18)]
string _name;
uint _crc;
uint _unpacked_size;
uint _offset;
uint _size;
public string Name { get { return _name; } }
public long Offset { get { return _offset; } }
public uint Size { get { return _size; } }
public bool IsPacked { get { return _is_packed != 0; } }
}
#pragma warning restore 649,169
}