GARbro-mirror/Legacy/Paprika/ArcPKDAT.cs

99 lines
4.0 KiB
C#
Raw Normal View History

2023-08-24 05:33:50 +08:00
//! \file ArcPKDAT.cs
//! \date 2022 Jun 26
//! \brief Paprika resource archive.
//
// Copyright (C) 2022 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;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
namespace GameRes.Formats.Paprika
{
[Export(typeof(ArchiveFormat))]
public class PkDatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/PAPRIKA"; } }
public override string Description { get { return "Paprika resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
string[] KnownPkList = new[] { null, null, null, "PICPK", "AVIPK", "MUSPK", "WAVPK" };
public override ArcFile TryOpen (ArcView file)
{
var scn_name = VFS.ChangeFileName (file.Name, "SCNPK.DAT");
if (!VFS.FileExists (scn_name))
return null;
var arc_name = Path.GetFileName (file.Name).ToUpperInvariant();
var base_name = Path.GetFileNameWithoutExtension (arc_name);
if (!char.IsDigit (base_name, base_name.Length - 1))
return null;
int arcId;
for (arcId = 3; arcId < KnownPkList.Length; ++arcId)
{
if (KnownPkList[arcId] != null && arc_name.StartsWith (KnownPkList[arcId]))
break;
}
if (arcId == KnownPkList.Length)
return null;
int arc_num = base_name[base_name.Length-1] - '0';
var base_ext = arc_name.Substring (0, 3);
using (var scn = VFS.OpenBinaryStream (scn_name))
{
scn.Position = arcId * 4;
uint index_pos = scn.ReadUInt32();
if (0 == index_pos)
return null;
scn.Position = index_pos;
var dir = new List<Entry>();
long last_offset = -1;
int i = 0;
while (scn.PeekByte() != -1)
{
++i;
byte num = scn.ReadUInt8();
long offset = scn.ReadUInt32();
uint size = scn.ReadUInt32();
if (num != arc_num)
continue;
if (offset < last_offset)
break;
var name = string.Format ("{0:D4}.{1}", i - 1, base_ext);
var entry = Create<Entry> (name);
entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
last_offset = offset;
}
if (dir.Count == 0)
return null;
return new ArcFile (file, this, dir);
}
}
}
}