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GsPack resources implementation.
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morkt
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172
ArcFormats/ArcGsPack.cs
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172
ArcFormats/ArcGsPack.cs
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//! \file ArcGsPack.cs
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//! \date Thu Apr 16 14:55:01 2015
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//! \brief GsPack resource archives implementation.
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//
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// Copyright (C) 2015 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using GameRes.Utility;
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namespace GameRes.Formats.Gs
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{
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[Export(typeof(ArchiveFormat))]
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public class PakOpener : ArchiveFormat
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{
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public override string Tag { get { return "GsPack"; } }
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public override string Description { get { return "GsPack resource archive"; } }
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public override uint Signature { get { return 0x61746144; } } // 'Data'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public PakOpener ()
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{
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Extensions = new string[] { "pak", "dat", "pa_" };
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Signatures = new uint[] { 0x61746144, 0x61507347 };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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if (!(file.View.AsciiEqual (0, "DataPack5") ||
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file.View.AsciiEqual (0, "GsPack5") ||
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file.View.AsciiEqual (0, "GsPack4")))
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return null;
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int version_minor = file.View.ReadUInt16 (0x30);
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int version_major = file.View.ReadUInt16 (0x32);
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uint index_size = file.View.ReadUInt32 (0x34);
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int count = file.View.ReadInt32 (0x3c);
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if (count <= 0 || count > 0xfffff || index_size > 0xffffff)
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return null;
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uint crypt_key = file.View.ReadUInt32 (0x38);
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long data_offset = file.View.ReadUInt32 (0x40);
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uint index_offset = file.View.ReadUInt32 (0x44);
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int entry_size = version_major < 5 ? 0x48 : 0x68;
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int unpacked_size = count * entry_size;
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byte[] packed_index = new byte[index_size];
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if (index_size != file.View.Read (index_offset, packed_index, 0, index_size))
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return null;
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if (0 != crypt_key)
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for (int i = 0; i != packed_index.Length; ++i)
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packed_index[i] ^= (byte)(i & crypt_key);
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using (var stream = new MemoryStream (packed_index))
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using (var reader = new LzssReader (stream, packed_index.Length, unpacked_size))
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{
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reader.Unpack();
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var index = reader.Data;
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index_offset = 0;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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string name = Binary.GetCString (index, (int)index_offset, 0x40);
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if (0 != name.Length)
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{
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long offset = data_offset + LittleEndian.ToUInt32 (index, (int)index_offset+0x40);
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var entry = AutoEntry.Create (file, offset, name);
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entry.Size = LittleEndian.ToUInt32 (index, (int)index_offset+0x44);
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dir.Add (entry);
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}
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index_offset += (uint)entry_size;
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}
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return new ArcFile (file, this, dir);
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}
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class DatOpener : ArchiveFormat
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{
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public override string Tag { get { return "GsData"; } }
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public override string Description { get { return "GsPack resource archive"; } }
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public override uint Signature { get { return 0x59537347; } } // 'GsSY'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public DatOpener ()
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{
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Extensions = new string[] { "dat" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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if (!file.View.AsciiEqual (0, "GsSYMBOL5BINDATA"))
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return null;
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uint header_size = file.View.ReadUInt32 (0xa4);
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if (header_size < 0xd0)
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return null;
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int count = file.View.ReadInt32 (0xa8);
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uint index_offset = file.View.ReadUInt32 (0xb8);
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uint index_size = file.View.ReadUInt32 (0xbc);
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uint crypt_key = file.View.ReadUInt32 (0xc0);
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uint unpacked_index_size = file.View.ReadUInt32 (0xc4);
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if (count * 0x18 != unpacked_index_size)
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return null;
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uint data_offset = file.View.ReadUInt32 (0xc8);
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byte[] packed_index = new byte[index_size];
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if (index_size != file.View.Read (index_offset, packed_index, 0, index_size))
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return null;
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if (0 != crypt_key)
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for (int i = 0; i != packed_index.Length; ++i)
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packed_index[i] ^= (byte)(i & crypt_key);
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using (var stream = new MemoryStream (packed_index))
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using (var reader = new LzssReader (stream, packed_index.Length, (int)unpacked_index_size))
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{
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reader.Unpack();
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var index = reader.Data;
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index_offset = 0;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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var entry = new PackedEntry
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{
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Name = i.ToString ("D5"),
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Offset = data_offset + LittleEndian.ToUInt32 (index, (int)index_offset),
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Size = LittleEndian.ToUInt32 (index, (int)index_offset + 4),
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UnpackedSize = LittleEndian.ToUInt32 (index, (int)index_offset + 8),
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};
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dir.Add (entry);
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index_offset += 0x18;
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}
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return new ArcFile (file, this, dir);
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}
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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if (0 == entry.Size)
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return Stream.Null;
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var packed_entry = entry as PackedEntry;
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if (null == packed_entry)
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return arc.File.CreateStream (entry.Offset, entry.Size);
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byte[] packed = new byte[packed_entry.Size];
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arc.File.View.Read (entry.Offset, packed, 0, entry.Size);
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using (var stream = new MemoryStream (packed))
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using (var reader = new LzssReader (stream, packed.Length, (int)packed_entry.UnpackedSize))
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{
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reader.Unpack();
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return new MemoryStream (reader.Data, false);
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}
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}
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}
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}
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127
ArcFormats/ImageGS.cs
Normal file
127
ArcFormats/ImageGS.cs
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@ -0,0 +1,127 @@
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//! \file ImageGS.cs
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//! \date Thu Apr 16 16:03:19 2015
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//! \brief GsPack image format implementation.
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//
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// Copyright (C) 2015 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using GameRes.Utility;
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namespace GameRes.Formats.Gs
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{
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internal class PicMetaData : ImageMetaData
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{
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public uint PackedSize;
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public uint UnpackedSize;
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public uint HeaderSize;
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}
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[Export(typeof(ImageFormat))]
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public class PicFormat : ImageFormat
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{
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public override string Tag { get { return "GsPIC"; } }
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public override string Description { get { return "GsPack image format"; } }
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public override uint Signature { get { return 0x00040000; } }
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public PicFormat ()
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{
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Extensions = new string[] { "pic" }; // made-up
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}
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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using (var input = new ArcView.Reader (stream))
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{
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var info = new PicMetaData();
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input.ReadUInt32();
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info.PackedSize = input.ReadUInt32();
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info.UnpackedSize = input.ReadUInt32();
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info.HeaderSize = input.ReadUInt32();
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input.ReadUInt32();
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info.Width = input.ReadUInt32();
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info.Height = input.ReadUInt32();
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info.BPP = input.ReadInt32();
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return info;
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}
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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var meta = info as PicMetaData;
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if (null == meta)
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throw new ArgumentException ("PicFormat.Read should be supplied with PicMetaData", "info");
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stream.Position = meta.HeaderSize;
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using (var reader = new LzssReader (stream, (int)meta.PackedSize, (int)meta.UnpackedSize))
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{
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reader.Unpack();
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byte[] pixels = reader.Data;
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int stride = (int)meta.Width*((info.BPP+7)/8);
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BitmapPalette palette = null;
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PixelFormat format;
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if (8 == meta.BPP) // read palette
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{
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format = PixelFormats.Indexed8;
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var color_data = new Color[256];
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for (int i = 0; i < 256; ++i)
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color_data[i] = Color.FromRgb (pixels[i*4+2], pixels[i*4+1], pixels[i*4]);
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palette = new BitmapPalette (color_data);
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var image = new byte[meta.Width*meta.Height];
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Buffer.BlockCopy (pixels, 0x400, image, 0, image.Length);
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pixels = image;
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}
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else if (24 == meta.BPP)
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format = PixelFormats.Bgr24;
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else if (16 == meta.BPP)
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format = PixelFormats.Bgr565;
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else
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{
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bool has_opaque = false;
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for (int i = 3; i < pixels.Length; i += 4)
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{
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if (0 != pixels[i])
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{
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has_opaque = true;
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break;
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}
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}
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format = has_opaque ? PixelFormats.Bgra32 : PixelFormats.Bgr32;
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}
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var bitmap = BitmapSource.Create ((int)meta.Width, (int)meta.Height, 96, 96,
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format, palette, pixels, stride);
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bitmap.Freeze();
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return new ImageData (bitmap, meta);
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}
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new NotImplementedException ("PicFormat.Write not implemented");
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}
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}
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}
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