added Triangle archive formats.

2026-07-08 01:30:18 +08:00 · 2018-07-25 10:06:20 +04:00
parent b1b0fb6292
commit ca818929df
4 changed files with 287 additions and 0 deletions
--- a/ArcFormats/Triangle/ImageTRI.cs
+++ b/ArcFormats/Triangle/ImageTRI.cs
@@ -0,0 +1,127 @@
+//! \file       ImageTRI.cs
+//! \date       2018 Jul 22
+//! \brief      Triangle image format.
+//
+// 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;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Triangle
+{
+    internal class TriMetaData : ImageMetaData
+    {
+        public int  UnpackedSize;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class TriFormat : ImageFormat
+    {
+        public override string         Tag { get { return "TRI"; } }
+        public override string Description { get { return "Triangle image format"; } }
+        public override uint     Signature { get { return 0x7A495254; } } // 'TRIz'
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (8);
+            var bmp_header = new byte[56];
+            Unpack (file, bmp_header);
+            using (var bmp = new BinMemoryStream (bmp_header, file.Name))
+            {
+                var bmp_info = Bmp.ReadMetaData (bmp);
+                if (null == bmp_info)
+                    return null;
+                return new TriMetaData {
+                    Width = bmp_info.Width,
+                    Height = bmp_info.Height,
+                    BPP = bmp_info.BPP,
+                    UnpackedSize = header.ToInt32 (4) ^ 0x65641538,
+                };
+            }
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (TriMetaData)info;
+            var output = new byte[meta.UnpackedSize];
+            file.Position = 8;
+            Unpack (file, output);
+            using (var bmp = new BinMemoryStream (output, file.Name))
+            {
+                var decoder = new BmpBitmapDecoder (bmp, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+                var frame = decoder.Frames[0];
+                frame.Freeze();
+                return new ImageData (frame, info);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("TriFormat.Write not implemented");
+        }
+
+        void Unpack (IBinaryStream input, byte[] output)
+        {
+            int dst = 0;
+            byte key = 0x7F;
+            byte prev_key = 0;
+            uint ctl = 0;
+            while (dst < output.Length)
+            {
+                uint bit = ctl & 0x80000000;
+                ctl <<= 1;
+                if (0 == ctl)
+                {
+                    ctl = input.ReadUInt32();
+                    bit = ctl & 0x80000000;
+                    ctl <<= 1;
+                }
+                if (0 == bit)
+                {
+                    prev_key = key;
+                    key ^= input.ReadUInt8();
+                    output[dst++] = key;
+                }
+                else
+                {
+                    int offset = input.ReadUInt16();
+                    offset += (int)ctl;
+                    int count = (offset >> 12) & 0xF;
+                    if (0 == count)
+                    {
+                        count = (prev_key + input.ReadUInt8()) & 0xFF;
+                        if (0 == count)
+                            break;
+                        count += 15;
+                    }
+                    count = Math.Min (count + 2, output.Length - dst);
+                    Binary.CopyOverlapped (output, dst + ~(offset & 0xFFF), dst, count);
+                    dst += count;
+                }
+            }
+        }
+    }
+}