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104 lines
4.1 KiB
C#
104 lines
4.1 KiB
C#
//! \file ArcS25.cs
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//! \date Sat Apr 18 15:56:57 2015
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//! \brief ShiinaRio image resource.
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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.ShiinaRio
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{
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[Export(typeof(ArchiveFormat))]
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public class S25Opener : ArchiveFormat
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{
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public override string Tag { get { return "S25"; } }
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public override string Description { get { return "ShiinaRio engine multi-image"; } }
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public override uint Signature { get { return 0x00353253; } } // 'S25'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (4);
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if (count <= 0 || count > 0xfffff)
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return null;
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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var dir = new List<Entry> (count);
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uint index_offset = 8;
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for (int i = 0; i < count; ++i)
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{
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uint offset = file.View.ReadUInt32 (index_offset);
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index_offset += 4;
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if (offset > 0 && offset <= file.MaxOffset)
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{
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var entry = new Entry
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{
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Name = string.Format ("{0}@{1:D4}.tga", base_name, i),
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Type = "image",
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Offset = offset,
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};
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dir.Add (entry);
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}
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}
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dir.Sort ((a, b) => (int)(a.Offset - b.Offset));
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for (int i = 0; i < dir.Count; ++i)
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{
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long next_offset;
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if (i+1 == dir.Count)
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next_offset = file.MaxOffset;
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else
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next_offset = dir[i+1].Offset;
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dir[i].Size = (uint)(next_offset - dir[i].Offset);
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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// emulate TGA image
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var offset = entry.Offset;
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var info = new S25MetaData
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{
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Width = arc.File.View.ReadUInt32 (offset),
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Height = arc.File.View.ReadUInt32 (offset+4),
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OffsetX = arc.File.View.ReadInt32 (offset+8),
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OffsetY = arc.File.View.ReadInt32 (offset+12),
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BPP = 32,
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FirstOffset = (uint)(offset + 0x14),
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Incremental = 0 != (arc.File.View.ReadUInt32 (offset+0x10) & 0x80000000u),
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};
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using (var input = arc.File.CreateStream (0, (uint)arc.File.MaxOffset))
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using (var reader = new S25Format.Reader (input, info))
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{
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return TgaStream.Create (info, reader.Unpack());
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}
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}
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}
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}
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