implemented TCD1 archives and SPD7 images.

2026-07-08 01:30:18 +08:00 · 2018-01-23 15:38:52 +04:00
parent db4a6ebe48
commit 0425aa269e
4 changed files with 112 additions and 15 deletions
--- a/ArcFormats/TopCat/ArcTCD1.cs
+++ b/ArcFormats/TopCat/ArcTCD1.cs
@@ -0,0 +1,91 @@
+//! \file       ArcTCD1.cs
+//! \date       2018 Jan 23
+//! \brief      TopCat TCD1 data 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;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.TopCat
+{
+    [Export(typeof(ArchiveFormat))]
+    public class Tcd1Opener : TcdOpener
+    {
+        public override string         Tag { get { return "TCD1"; } }
+        public override string Description { get { return "TopCat data archive"; } }
+        public override uint     Signature { get { return 0x31444354; } } // 'TCD1'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public Tcd1Opener ()
+        {
+            Extensions = new string[] { "tcd" };
+            Signatures = new uint[] { 0x31444354 };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (4);
+            if (!IsSaneCount (count))
+                return null;
+
+            uint index_offset = file.View.ReadUInt32 (8);
+            uint names_offset = file.View.ReadUInt32 (12);
+
+            uint pos = index_offset;
+            var offsets = new uint[count+1];
+            for (int i = 0; i < count; ++i)
+            {
+                offsets[i] = file.View.ReadUInt32 (pos) - (index_offset << ((i & 7) + 8));
+                pos += 4;
+            }
+            offsets[count] = file.View.ReadUInt32 (pos);
+            var names = file.View.ReadBytes (names_offset, (uint)(file.MaxOffset - names_offset));
+            var dir = new List<Entry> (count);
+            int name_start = 0;
+            int entry_num = 0;
+            for (int i = 0; i < names.Length; ++i)
+            {
+                if (names[i] != 0)
+                {
+                    names[i] -= 0x57;
+                }
+                else
+                {
+                    var name = Encodings.cp932.GetString (names, name_start, i - name_start);
+                    name_start = i+1;
+                    var entry = FormatCatalog.Instance.Create<Entry> (name);
+                    entry.Offset = offsets[entry_num];
+                    entry.Size = offsets[entry_num+1] - offsets[entry_num];
+                    if (!entry.CheckPlacement (file.MaxOffset))
+                        return null;
+                    dir.Add (entry);
+                    ++entry_num;
+                }
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}