mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-29 22:34:13 +08:00
522 lines
17 KiB
C#
522 lines
17 KiB
C#
//! \file ArcMPK.cs
|
|
//! \date 2017 Dec 19
|
|
//! \brief Kurumi resource archive.
|
|
//
|
|
// Copyright (C) 2017 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;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Kurumi
|
|
{
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class MpkOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "MPK/KURUMI"; } }
|
|
public override string Description { get { return "Kurumi 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 ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (!file.View.AsciiEqual (0, "MP"))
|
|
return null;
|
|
int version = file.View.ReadByte (2);
|
|
if (version > 1)
|
|
return null;
|
|
int count = file.View.ReadInt32 (4);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
uint data_offset = file.View.ReadUInt32 (8);
|
|
if (data_offset <= 12 || data_offset >= file.MaxOffset)
|
|
return null;
|
|
using (var index = Decompress (file, 12, data_offset-12))
|
|
{
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var name = index.ReadCString (0xF8);
|
|
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
|
|
entry.Offset = index.ReadUInt32() + data_offset;
|
|
entry.Size = index.ReadUInt32();
|
|
entry.UnpackedSize = index.ReadUInt32();
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
entry.IsPacked = true;
|
|
dir.Add (entry);
|
|
}
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var pent = entry as PackedEntry;
|
|
if (null == pent || !pent.IsPacked)
|
|
return base.OpenEntry (arc, entry);
|
|
return Decompress (arc.File, entry.Offset, entry.Size).AsStream;
|
|
}
|
|
|
|
IBinaryStream Decompress (ArcView file, long offset, uint packed_size)
|
|
{
|
|
uint unpacked_size = Binary.BigEndian (file.View.ReadUInt32 (offset));
|
|
bool is_packed = file.View.ReadByte (offset+8) != 0;
|
|
if (!is_packed)
|
|
return file.CreateStream (offset+9, unpacked_size);
|
|
using (var input = file.CreateStream (offset+9, packed_size-9))
|
|
{
|
|
var compr = new MpkCompression (input, (int)unpacked_size);
|
|
var data = compr.Unpack();
|
|
return new BinMemoryStream (data);
|
|
}
|
|
}
|
|
}
|
|
|
|
internal sealed class MpkCompression
|
|
{
|
|
IBinaryStream m_input;
|
|
byte[] m_output;
|
|
|
|
public MpkCompression (IBinaryStream input, int unpacked_size)
|
|
{
|
|
m_input = input;
|
|
m_output = new byte[unpacked_size];
|
|
}
|
|
|
|
public byte[] Unpack ()
|
|
{
|
|
var data = CreateBuffer();
|
|
int dst = 0;
|
|
while (dst < m_output.Length)
|
|
{
|
|
int count = sub_429D50();
|
|
if (0 == count)
|
|
break;
|
|
Buffer.BlockCopy (data, 0, m_output, dst, count);
|
|
dst += count;
|
|
}
|
|
return m_output;
|
|
}
|
|
|
|
byte[] CreateBuffer ()
|
|
{
|
|
word_471CEC = 16;
|
|
if (null == m_buffer)
|
|
{
|
|
dword_471D04 = new ushort[0x1000];
|
|
dword_471D54 = new ushort[0x100];
|
|
InitTree (15);
|
|
m_buffer = new byte[m_buffer_size];
|
|
}
|
|
word_471D6C = 0;
|
|
m_eof = false;
|
|
InitBits();
|
|
return m_buffer;
|
|
}
|
|
|
|
int m_bits_avail;
|
|
int m_bits;
|
|
bool m_eof;
|
|
|
|
int word_471CE8;
|
|
int m_buffer_size;
|
|
ushort word_471CEC;
|
|
short word_471D00;
|
|
short word_471D4E;
|
|
int word_471D6C;
|
|
ushort word_471D58;
|
|
ushort m_tree_size;
|
|
ushort word_471D60;
|
|
|
|
byte[] m_buffer;
|
|
ushort[] m_lhs_nodes;
|
|
ushort[] m_rhs_nodes;
|
|
byte[] dword_471CFC;
|
|
ushort[] dword_471D04;
|
|
ushort[] dword_471D54;
|
|
byte[] dword_471D64;
|
|
|
|
void InitTree (short depth)
|
|
{
|
|
word_471D4E = depth;
|
|
m_tree_size = 0x1FE;
|
|
word_471D58 = (ushort)(depth + 1);
|
|
m_buffer_size = 1 << depth;
|
|
dword_471D64 = new byte[0x1FE];
|
|
dword_471CFC = new byte[Math.Max (0x13, depth + 1)];
|
|
m_lhs_nodes = new ushort[2 * m_tree_size - 1];
|
|
m_rhs_nodes = new ushort[2 * m_tree_size - 1];
|
|
}
|
|
|
|
int InitBits ()
|
|
{
|
|
m_bits_avail = 0;
|
|
m_bits = 0;
|
|
word_471D60 = 0;
|
|
word_471D00 = 0;
|
|
return LoadBits (word_471CEC);
|
|
}
|
|
|
|
short GetBits (short a1)
|
|
{
|
|
int v1 = word_471D60 >> (word_471CEC - a1);
|
|
LoadBits (a1);
|
|
return (short)v1;
|
|
}
|
|
|
|
ushort LoadBits (int count)
|
|
{
|
|
word_471D60 <<= count;
|
|
if (count > m_bits_avail)
|
|
{
|
|
do
|
|
{
|
|
count -= m_bits_avail;
|
|
word_471D60 |= (ushort)(m_bits << count);
|
|
int bits = m_input.ReadByte();
|
|
if (-1 == bits)
|
|
{
|
|
bits = 0;
|
|
m_eof = true;
|
|
}
|
|
m_bits = bits;
|
|
m_bits_avail = 8;
|
|
}
|
|
while (count > 8);
|
|
}
|
|
int v = m_bits_avail - count;
|
|
ushort result = (ushort)(m_bits >> v);
|
|
m_bits_avail = v;
|
|
word_471D60 |= result;
|
|
return result;
|
|
}
|
|
|
|
int sub_429D50 ()
|
|
{
|
|
int dst = 0;
|
|
while (--word_471D6C >= 0)
|
|
{
|
|
m_buffer[dst++ & 0xFFFF] = m_buffer[word_471CE8];
|
|
word_471CE8 = (word_471CE8 + 1) & (m_buffer_size - 1);
|
|
if (dst == m_buffer_size)
|
|
return dst;
|
|
}
|
|
while (!m_eof || word_471D00 != 0)
|
|
{
|
|
ushort v4 = sub_42A090();
|
|
if (v4 > 0xFF)
|
|
{
|
|
short offset = sub_42A490();
|
|
word_471D6C = v4 - 254;
|
|
word_471CE8 = (dst - offset - 1) & (m_buffer_size - 1);
|
|
if (word_471D6C >= 0)
|
|
{
|
|
do
|
|
{
|
|
m_buffer[dst++ & 0xFFFF] = m_buffer[word_471CE8];
|
|
word_471CE8 = (word_471CE8 + 1) & (m_buffer_size - 1);
|
|
if (dst == m_buffer_size)
|
|
return dst;
|
|
}
|
|
while (--word_471D6C >= 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_buffer[dst++ & 0xFFFF] = (byte)v4;
|
|
if (dst == m_buffer_size)
|
|
break;
|
|
}
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
ushort sub_42A090 ()
|
|
{
|
|
if (0 == word_471D00)
|
|
{
|
|
word_471D00 = GetBits (16);
|
|
sub_42A1A0 (19, 5, 3);
|
|
sub_42A2E0();
|
|
sub_42A1A0 (word_471D58, 4, 0xFFFF);
|
|
}
|
|
--word_471D00;
|
|
ushort v1 = dword_471D04[word_471D60 >> (word_471CEC - 12)];
|
|
int v2 = 1 << (word_471CEC - 13);
|
|
while (v1 >= m_tree_size)
|
|
{
|
|
if (0 != (word_471D60 & v2))
|
|
v1 = m_rhs_nodes[v1];
|
|
else
|
|
v1 = m_lhs_nodes[v1];
|
|
v2 >>= 1;
|
|
}
|
|
LoadBits (dword_471D64[v1]);
|
|
return v1;
|
|
}
|
|
|
|
void sub_42A1A0 (int a1, short a2, ushort a3)
|
|
{
|
|
short v3 = GetBits (a2);
|
|
if (0 == v3)
|
|
{
|
|
short v5 = GetBits (a2);
|
|
for (int i = 0; i < a1; ++i)
|
|
{
|
|
dword_471CFC[i] = 0;
|
|
}
|
|
for (int i = 0; i < 256; ++i)
|
|
{
|
|
dword_471D54[i] = (ushort)v5;
|
|
}
|
|
return;
|
|
}
|
|
for (int v10 = 0; v10 < v3; )
|
|
{
|
|
int v11 = word_471D60 >> (word_471CEC - 3);
|
|
if (v11 == 7)
|
|
{
|
|
int v14 = 1 << (word_471CEC - 4);
|
|
while (0 != (word_471D60 & v14))
|
|
{
|
|
v14 >>= 1;
|
|
++v11;
|
|
}
|
|
LoadBits (v11 - 3);
|
|
}
|
|
else if (v11 < 7)
|
|
{
|
|
LoadBits (3);
|
|
}
|
|
else
|
|
LoadBits (v11 - 3);
|
|
dword_471CFC[v10++] = (byte)v11;
|
|
if (v10 == a3)
|
|
{
|
|
for (int count = GetBits (2); count > 0; --count)
|
|
{
|
|
dword_471CFC[v10++] = 0;
|
|
}
|
|
}
|
|
}
|
|
int n = v3;
|
|
for (int count = a1 - v3; count > 0; --count)
|
|
{
|
|
dword_471CFC[n++] = 0;
|
|
}
|
|
sub_42A540 (a1, dword_471CFC, 8, dword_471D54);
|
|
}
|
|
|
|
void sub_42A2E0 ()
|
|
{
|
|
short v0 = GetBits(9);
|
|
if (v0 != 0)
|
|
{
|
|
int v8 = 0;
|
|
while (v8 < v0)
|
|
{
|
|
int v9 = dword_471D54[word_471D60 >> (word_471CEC - 8)];
|
|
int v10 = 1 << (word_471CEC - 9);
|
|
while (v9 >= 19)
|
|
{
|
|
if (0 != (word_471D60 & v10))
|
|
v9 = m_rhs_nodes[v9];
|
|
else
|
|
v9 = m_lhs_nodes[v9];
|
|
v10 >>= 1;
|
|
}
|
|
LoadBits (dword_471CFC[v9]);
|
|
if (v9 <= 2)
|
|
{
|
|
int count;
|
|
if (0 == v9)
|
|
count = 1;
|
|
else if (1 == v9)
|
|
count = GetBits (4) + 3;
|
|
else
|
|
count = GetBits (9) + 20;
|
|
while (count --> 0)
|
|
{
|
|
dword_471D64[v8++] = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dword_471D64[v8++] = (byte)(v9 - 2);
|
|
}
|
|
}
|
|
while (v8 < m_tree_size)
|
|
{
|
|
dword_471D64[v8++] = 0;
|
|
}
|
|
sub_42A540 (m_tree_size, dword_471D64, 12, dword_471D04);
|
|
}
|
|
else
|
|
{
|
|
short v3 = GetBits (9);
|
|
for (int i = 0; i < m_tree_size; ++i)
|
|
{
|
|
dword_471D64[i] = 0;
|
|
}
|
|
for (int i = 0; i < 0x1000; ++i)
|
|
{
|
|
dword_471D04[i] = (ushort)v3;
|
|
}
|
|
}
|
|
}
|
|
|
|
short sub_42A490()
|
|
{
|
|
var v0 = dword_471D54[word_471D60 >> (word_471CEC - 8)];
|
|
int v1 = 1 << (word_471CEC - 9);
|
|
while (v0 >= word_471D58)
|
|
{
|
|
if (0 != (word_471D60 & v1))
|
|
v0 = m_rhs_nodes[v0];
|
|
else
|
|
v0 = m_lhs_nodes[v0];
|
|
v1 >>= 1;
|
|
}
|
|
LoadBits (dword_471CFC[v0]);
|
|
if (0 == v0)
|
|
return 0;
|
|
short v2 = GetBits ((short)(v0 - 1));
|
|
return (short)((1 << (v0 - 1)) + v2);
|
|
}
|
|
|
|
ushort[] v33 = new ushort[36];
|
|
|
|
int sub_42A540 (int a1, byte[] a2, ushort a3, ushort[] a4)
|
|
{
|
|
for (int i = 1; i <= 0x10; ++i)
|
|
v33[i] = 0;
|
|
for (int i = 0; i < a1; ++i)
|
|
++v33[a2[i]];
|
|
|
|
v33[19] = 0;
|
|
int v6 = 15;
|
|
for (int v7 = 0; v7 < 16; ++v7)
|
|
{
|
|
int v10 = v33[v7 + 1] << v6--;
|
|
v33[v7 + 20] = (ushort)(v33[v7 + 19] + v10);
|
|
}
|
|
if (v33[35] != 0)
|
|
throw new InvalidFormatException();
|
|
int v11 = 1;
|
|
int v12 = 16 - a3;
|
|
while (v11 <= a3)
|
|
{
|
|
v33[v11 + 18] = (ushort)(v33[v11 + 18] >> v12);
|
|
v33[v11] = (ushort)(1 << (a3 - v11));
|
|
++v11;
|
|
}
|
|
if (v11 <= 0x10)
|
|
{
|
|
int v14 = v11;
|
|
int v15 = 17 - v11;
|
|
int v16 = v11; // within v33
|
|
do
|
|
{
|
|
v11 = 1 << (16 - v14++);
|
|
v33[v16++] = (ushort)v11;
|
|
--v15;
|
|
}
|
|
while (v15 > 0);
|
|
}
|
|
v11 = v33[a3 + 19] >> v12;
|
|
if (v11 != 0)
|
|
{
|
|
while (v11 != (1 << a3))
|
|
{
|
|
a4[v11++] = 0;
|
|
}
|
|
}
|
|
int v18 = a1;
|
|
int v19 = 0;
|
|
int result = 0;
|
|
while (v19 < a1)
|
|
{
|
|
int v21 = a2[result];
|
|
if (v21 != 0)
|
|
{
|
|
int v32 = v21 + 18; // within v33
|
|
int v22 = v33[v32];
|
|
int v24 = v22 + v33[v21];
|
|
if (v21 > a3)
|
|
{
|
|
int v23 = v22;
|
|
var v26 = new ArrayPtr<ushort> (a4, v22 >> (16 - a3));
|
|
for (int count = v21 - a3; count != 0; --count)
|
|
{
|
|
if (0 == v26.Value)
|
|
{
|
|
m_lhs_nodes[v18] = 0;
|
|
m_rhs_nodes[v18] = 0;
|
|
v26.Value = (ushort)v18;
|
|
++v18;
|
|
}
|
|
if (0 != ((1 << (15 - a3)) & v23))
|
|
v26 = new ArrayPtr<ushort> (m_rhs_nodes, v26.Value);
|
|
else
|
|
v26 = new ArrayPtr<ushort> (m_lhs_nodes, v26.Value);
|
|
v23 <<= 1;
|
|
}
|
|
v26.Value = (ushort)v19;
|
|
}
|
|
else
|
|
{
|
|
while (v22 < v24)
|
|
{
|
|
a4[v22++] = (ushort)v19;
|
|
}
|
|
}
|
|
v33[v32] = (ushort)v24;
|
|
}
|
|
result = ++v19;
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
|
|
internal struct ArrayPtr<T>
|
|
{
|
|
T[] m_array;
|
|
int m_index;
|
|
|
|
public T Value
|
|
{
|
|
get { return m_array[m_index]; }
|
|
set { m_array[m_index] = value; }
|
|
}
|
|
|
|
public ArrayPtr (T[] array, int index)
|
|
{
|
|
m_array = array;
|
|
m_index = index;
|
|
}
|
|
}
|
|
}
|