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(Legacy): added formats, mostly PC-98.

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morkt
2023-10-20 18:21:55 +04:00
parent 67811651d4
commit 1aac79f7b5
19 changed files with 2705 additions and 328 deletions
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186
Legacy/Pias/ArcDAT.cs
View File

@@ -2,7 +2,7 @@
//! \date 2022 May 24
//! \brief Pias resource archive.
//
// Copyright (C) 2022 by morkt
// Copyright (C) 2022-2023 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
@@ -36,77 +36,136 @@ using System.Windows.Media;
namespace GameRes.Formats.Pias
{
enum ResourceType
{
Undefined = -1,
Graphics = 1,
Sound = 2,
}
internal class IndexReader
{
internal const bool NamesAsHexOffset = true;
protected ArcView m_arc;
protected ResourceType m_res;
protected List<Entry> m_dir;
public bool IsEncrypted { get; protected set; }
public IndexReader (ArcView arc, ResourceType res)
{
m_arc = arc;
m_res = res;
m_dir = null;
}
public List<Entry> GetIndex ()
{
if (m_res > 0)
{
var text_name = VFS.ChangeFileName (m_arc.Name, "text.dat");
if (!VFS.FileExists (text_name))
return null;
IBinaryStream input = VFS.OpenBinaryStream (text_name);
try
{
if (DatOpener.EncryptedSignatures.Contains (input.Signature))
return null;
var reader = new TextReader (input);
m_dir = reader.GetResourceList ((int)m_res);
}
finally
{
input.Dispose();
}
}
if (null == m_dir)
m_dir = new List<Entry>();
if (!FillEntries())
return null;
return m_dir;
}
protected bool FillEntries ()
{
uint header_size = 4;
string entry_type = "audio";
if (ResourceType.Graphics == m_res)
{
header_size = 8;
entry_type = "image";
}
for (int i = m_dir.Count - 1; i >= 0; --i)
{
var entry = m_dir[i];
entry.Size = m_arc.View.ReadUInt32 (entry.Offset) + header_size;
entry.Name = i.ToString("D4");
entry.Type = entry_type;
}
var known_offsets = new HashSet<long> (m_dir.Select (e => e.Offset));
long offset = 0;
while (offset < m_arc.MaxOffset)
{
uint entry_size = m_arc.View.ReadUInt32(offset);
if (uint.MaxValue == entry_size)
{
entry_size = 4;
}
else
{
entry_size += header_size;
if (!known_offsets.Contains (offset))
{
var entry = new Entry {
Name = NamesAsHexOffset ? offset.ToString ("X8") : m_dir.Count.ToString("D4"),
Type = entry_type,
Offset = offset,
Size = entry_size,
};
if (!entry.CheckPlacement (m_arc.MaxOffset))
return false;
m_dir.Add (entry);
}
}
offset += entry_size;
}
return true;
}
}
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/PIAS"; } }
public override string Description { get { return "Pias resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override string Tag => "DAT/PIAS";
public override string Description => "Pias resource archive";
public override uint Signature => 0;
public override bool IsHierarchic => false;
public override bool CanWrite => false;
public DatOpener ()
{
Signatures = new[] { 0x0002C026u, 0u };
}
internal static readonly HashSet<uint> EncryptedSignatures = new HashSet<uint> { 0x03184767u };
public override ArcFile TryOpen (ArcView file)
{
var arc_name = Path.GetFileName (file.Name).ToLowerInvariant();
string entry_type = null;
if ("voice.dat" == arc_name || "music.dat" == arc_name || "sound.dat" == arc_name)
entry_type = "audio";
ResourceType resource_type = ResourceType.Undefined;
if ("sound.dat" == arc_name)
resource_type = ResourceType.Sound;
else if ("graph.dat" == arc_name)
entry_type = "image";
else
resource_type = ResourceType.Graphics;
else if ("voice.dat" != arc_name && "music.dat" != arc_name)
return null;
int resource_type = -1;
if ("graph.dat" == arc_name)
resource_type = 1;
else if ("sound.dat" == arc_name)
resource_type = 2;
uint header_size = 1 == resource_type ? 8u : 4u;
List<Entry> dir = null;
if (resource_type > 0)
{
var text_name = VFS.ChangeFileName (file.Name, "text.dat");
if (!VFS.FileExists (text_name))
return null;
using (var text_dat = VFS.OpenBinaryStream (text_name))
{
var reader = new TextReader (text_dat);
dir = reader.GetResourceList (resource_type);
if (dir != null)
{
for (int i = dir.Count - 1; i >= 0; --i)
{
var entry = dir[i];
entry.Size = file.View.ReadUInt32 (entry.Offset) + header_size;
entry.Name = i.ToString("D4");
entry.Type = entry_type;
}
}
}
}
var index = new IndexReader (file, resource_type);
var dir = index.GetIndex();
if (null == dir)
dir = new List<Entry>();
var known_offsets = new HashSet<long> (dir.Select (e => e.Offset));
long offset = 0;
while (offset < file.MaxOffset)
{
uint entry_size = file.View.ReadUInt32(offset) + header_size;
if (!known_offsets.Contains (offset))
{
var entry = new Entry {
Name = dir.Count.ToString("D4"),
Type = entry_type,
Offset = offset,
Size = entry_size,
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
offset += entry_size;
}
return null;
return new ArcFile (file, this, dir);
}
@@ -120,7 +179,6 @@ namespace GameRes.Formats.Pias
{
if (entry.Type != "audio")
return base.OpenEntry (arc, entry);
uint size = arc.File.View.ReadUInt32 (entry.Offset);
var format = new WaveFormat
{
FormatTag = 1,
@@ -138,6 +196,12 @@ namespace GameRes.Formats.Pias
format.BlockAlign = 1;
}
format.SetBPS();
return OpenAudioEntry (arc, entry, format);
}
public Stream OpenAudioEntry (ArcFile arc, Entry entry, WaveFormat format)
{
uint size = arc.File.View.ReadUInt32 (entry.Offset);
byte[] header;
using (var buffer = new MemoryStream())
{