implemented Crowd engine ('Main Program Hoep') formats.

2026-07-08 01:30:18 +08:00 · 2015-06-12 01:48:28 +04:00
parent 29bd97fca9
commit dfcf169f61
6 changed files with 351 additions and 2 deletions
--- a/ArcFormats/ArcPCK.cs
+++ b/ArcFormats/ArcPCK.cs
@@ -0,0 +1,87 @@
+//! \file       ArcPCK.cs
+//! \date       Thu Jun 11 12:58:00 2015
+//! \brief      Crowd engine resource archive.
+//
+// Copyright (C) 2015 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;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Crowd
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PckOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "PCK"; } }
+        public override string Description { get { return "Crowd engine resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int count = file.View.ReadInt32 (0);
+            if (count <= 0 || count > 0xfffff)
+                return null;
+            long index_offset = 4;
+            uint index_size = (uint)(0xc * count);
+            if (index_size > file.View.Reserve (index_offset, index_size))
+                return null;
+            var dir = new List<Entry>();
+            for (int i = 0; i < count; ++i)
+            {
+                var entry = new Entry {
+                    Offset = file.View.ReadUInt32 (index_offset+4),
+                    Size   = file.View.ReadUInt32 (index_offset+8)
+                };
+                if (entry.Offset < index_size || !entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 12;
+            }
+            byte[] name_buf = new byte[260];
+            foreach (var entry in dir)
+            {
+                uint max_len = Math.Min (260u, file.View.Reserve (index_offset, 260));
+                uint n;
+                for (n = 0; n < max_len; ++n)
+                {
+                    byte b = file.View.ReadByte (index_offset+n);
+                    if (0 == b)
+                        break;
+                    name_buf[n] = b;
+                }
+                if (0 == n || max_len == n)
+                    return null;
+                entry.Name = Encodings.cp932.GetString (name_buf, 0, (int)n);
+                entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
+                index_offset += n+1;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}
+
+