(Legacy): EBG_SYSTEM archive.

Legacy/EbgSystem/ArcBIN.cs

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+//! \file       ArcBIN.cs
+//! \date       2018 Jan 01
+//! \brief      EBG_SYSTEM bitmap archive.
+//
+// Copyright (C) 2018 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Windows.Media;
+
+namespace GameRes.Formats.EbgSystem
+{
+    [Export(typeof(ArchiveFormat))]
+    public class BinOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "BIN/EBG_SYSTEM"; } }
+        public override string Description { get { return "EBG_SYSTEM bitmap archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        const uint BitmapSize = 0x96000;
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!VFS.IsPathEqualsToFileName (file.Name, "0000.bin"))
+                return null;
+            if ((file.MaxOffset % BitmapSize) != 0)
+                return null;
+            int count = (int)(file.MaxOffset / BitmapSize);
+            if (!IsSaneCount (count))
+                return null;
+
+            uint offset = 0;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var entry = new Entry {
+                    Name = string.Format ("{0:D4}.bmp", i),
+                    Type = "image",
+                    Offset = offset,
+                    Size = BitmapSize,
+                };
+                dir.Add (entry);
+                offset += BitmapSize;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
+        {
+            var input = arc.File.CreateStream (entry.Offset, entry.Size);
+            return new BitmapDecoder (input);
+        }
+
+        internal class BitmapDecoder : BinaryImageDecoder
+        {
+            public BitmapDecoder (IBinaryStream input)
+                : base (input, new ImageMetaData { Width = 640, Height = 480, BPP = 15 })
+            {
+            }
+
+            protected override ImageData GetImageData ()
+            {
+                var pixels = m_input.ReadBytes ((int)BitmapSize);
+                return ImageData.CreateFlipped (Info, PixelFormats.Bgr555, null, pixels, (int)Info.Width * 2);
+            }
+        }
+    }
+}