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(KCAP): support older archive versions.

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morkt 2019-03-23 20:00:39 +04:00
parent c35ca8ec1f
commit be9abb385b
1 changed files with 110 additions and 62 deletions
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172
ArcFormats/Leaf/ArcPAK.cs
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@ -2,7 +2,7 @@
//! \date 2018 Nov 04 //! \date 2018 Nov 04
//! \brief Leaf resource archive. //! \brief Leaf resource archive.
// //
// Copyright (C) 2018 by morkt // Copyright (C) 2018-2019 by morkt
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
@ -27,6 +27,7 @@ using System.Collections.Generic;
using System.ComponentModel.Composition; using System.ComponentModel.Composition;
using System.IO; using System.IO;
using GameRes.Compression; using GameRes.Compression;
using GameRes.Utility.Serialization;
namespace GameRes.Formats.Leaf namespace GameRes.Formats.Leaf
{ {
@ -46,86 +47,80 @@ namespace GameRes.Formats.Leaf
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
{ {
int version = 0; int version = -1;
int count = file.View.ReadInt32 (4); int count = file.View.ReadInt32 (4);
uint first_offset = file.View.ReadUInt32 (0x24); uint index_offset = 8;
if (!IsSaneCount (count) || count * 0x24 + 8 != first_offset) 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)
{ {
version = 1;
count = file.View.ReadInt32 (8); count = file.View.ReadInt32 (8);
first_offset = file.View.ReadUInt32 (0x28); first_offset = file.View.ReadUInt32 (0x28);
if (!IsSaneCount (count) || count * 0x24 + 0xC != first_offset) if (IsSaneCount (count) && count * 0x24 + 0xC == first_offset)
{
version = 1;
index_offset = 0xC;
}
else
{ {
count = file.View.ReadInt32 (12); count = file.View.ReadInt32 (12);
first_offset = file.View.ReadUInt32 (0x34); first_offset = file.View.ReadUInt32 (0x34);
if (!IsSaneCount (count) || count * 0x2C + 0x10 != first_offset) if (IsSaneCount (count) && count * 0x2C + 0x10 == first_offset)
return null; {
version = 2; version = 2;
index_offset = 0x10;
}
} }
} }
List<Entry> dir; List<Entry> dir = null;
if (0 == version) switch (version)
dir = ReadIndexV1 (file, count, 8); {
else if (1 == version) case 0: dir = ReadIndex<EntryDefV0> (file, count, index_offset); break;
dir = ReadIndexV1 (file, count, 0xC); case 1: dir = ReadIndex<EntryDefV1> (file, count, index_offset); break;
else case 2: dir = ReadIndex<EntryDefV2> (file, count, index_offset); break;
dir = ReadIndexV2 (file, count); default: return null;
}
if (null == dir) if (null == dir)
return null; return null;
return new ArcFile (file, this, dir); return new ArcFile (file, this, dir);
} }
List<Entry> ReadIndexV1 (ArcView file, int count, uint index_offset) List<Entry> ReadIndex<EntryDef> (ArcView file, int count, uint index_offset)
where EntryDef : IEntryDefinition, new()
{ {
const uint index_entry_size = 0x24; using (var input = file.CreateStream())
uint index_size = (uint)count * index_entry_size;
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+0x20); input.Position = index_offset;
if (size != 0) var dir = new List<Entry> (count);
var def = new EntryDef();
for (int i = 0; i < count; ++i)
{ {
var name = file.View.ReadString (index_offset+4, 0x18); input.ReadStruct (out def);
var entry = Create<PackedEntry> (name); if (def.Size != 0)
entry.Offset = file.View.ReadUInt32 (index_offset+0x1C); {
entry.Size = size; var entry = Create<PackedEntry> (def.Name);
if (!entry.CheckPlacement (file.MaxOffset)) entry.Offset = def.Offset;
return null; entry.Size = def.Size;
entry.IsPacked = file.View.ReadInt32 (index_offset) != 0; if (!entry.CheckPlacement (file.MaxOffset))
dir.Add (entry); return null;
entry.IsPacked = def.IsPacked;
dir.Add (entry);
}
} }
index_offset += index_entry_size; return dir;
} }
return dir;
}
List<Entry> ReadIndexV2 (ArcView file, int count)
{
const uint index_entry_size = 0x2C;
uint index_offset = 0x10;
uint index_size = (uint)count * index_entry_size;
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;
}
return dir;
} }
public override Stream OpenEntry (ArcFile arc, Entry entry) public override Stream OpenEntry (ArcFile arc, Entry entry)
@ -180,4 +175,57 @@ namespace GameRes.Formats.Leaf
[ExportMetadata("Extension", "SDT")] [ExportMetadata("Extension", "SDT")]
[ExportMetadata("Target", "SCR")] [ExportMetadata("Target", "SCR")]
public class SdtFormat : ResourceAlias { } 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
} }