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84 lines
3.4 KiB
C#
84 lines
3.4 KiB
C#
//! \file ArcLWG.cs
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//! \date Sun Jan 10 00:40:18 2016
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//! \brief Liar-soft LWG image archive implementation.
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//
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// Copyright (C) 2014-2016 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.Collections.Generic;
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using System.ComponentModel.Composition;
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namespace GameRes.Formats.Liar
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{
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public class LwgImageEntry : ImageEntry
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{
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public int PosX;
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public int PosY;
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public int BPP;
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}
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[Export(typeof(ArchiveFormat))]
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public class LwgOpener : ArchiveFormat
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{
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public override string Tag { get { return "LWG"; } }
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public override string Description { get { return Strings.arcStrings.LWGDescription; } }
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public override uint Signature { get { return 0x0001474C; } } // 'LG'
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public override bool IsHierarchic { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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uint height = file.View.ReadUInt32 (4);
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uint width = file.View.ReadUInt32 (8);
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int count = file.View.ReadInt32 (12);
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if (!IsSaneCount (count))
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return null;
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uint dir_size = file.View.ReadUInt32 (20);
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uint cur_offset = 24;
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uint data_offset = cur_offset + dir_size;
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uint data_size = file.View.ReadUInt32 (data_offset);
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data_offset += 4;
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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 LwgImageEntry();
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entry.PosX = file.View.ReadInt32 (cur_offset);
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entry.PosY = file.View.ReadInt32 (cur_offset+4);
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entry.BPP = file.View.ReadByte (cur_offset+8);
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entry.Offset = data_offset + file.View.ReadUInt32 (cur_offset+9);
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entry.Size = file.View.ReadUInt32 (cur_offset+13);
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uint name_length = file.View.ReadByte (cur_offset+17);
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string name = file.View.ReadString (cur_offset+18, name_length);
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entry.Name = name + ".wcg";
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cur_offset += 18+name_length;
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if (cur_offset > dir_size+24)
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return null;
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if (entry.Size > 0 && entry.CheckPlacement (data_offset + data_size))
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dir.Add (entry);
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}
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if (0 == dir.Count)
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return null;
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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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