From 0a8c95432fb66a713d89a7b25e99da90b44b672c Mon Sep 17 00:00:00 2001
From: morkt <morkt@users.noreply.github.com>
Date: Wed, 6 Jun 2018 00:51:25 +0400
Subject: [PATCH] implemented 'FPK 2.00' archives.

---
 ArcFormats/ArcFormats.csproj     |  2 +
 ArcFormats/Interheart/ArcFPK2.cs | 71 ++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 ArcFormats/Interheart/ArcFPK2.cs

diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index cb02783c..292aed72 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -163,6 +163,7 @@
     <Compile Include="Ikura\ImageTAN.cs" />
     <Compile Include="Ikura\ImageVRS.cs" />
     <Compile Include="ImageMNG.cs" />
+    <Compile Include="Interheart\ArcFPK2.cs" />
     <Compile Include="Ivory\ArcSG.cs" />
     <Compile Include="KiriKiri\MoreCrypt.cs" />
     <Compile Include="KiriKiri\YuzCrypt.cs" />
@@ -668,6 +669,7 @@
     <Compile Include="Unity\Texture2D.cs" />
     <Compile Include="Unity\Utage\ImageUTAGE.cs" />
     <Compile Include="Unity\Vorbis.cs" />
+    <Compile Include="Valkyria\ArcAM2.cs" />
     <Compile Include="Valkyria\ArcDAT.cs" />
     <Compile Include="Valkyria\ArcODN.cs" />
     <Compile Include="Valkyria\ImageMAL.cs" />
diff --git a/ArcFormats/Interheart/ArcFPK2.cs b/ArcFormats/Interheart/ArcFPK2.cs
new file mode 100644
index 00000000..bd8d16e5
--- /dev/null
+++ b/ArcFormats/Interheart/ArcFPK2.cs
@@ -0,0 +1,71 @@
+//! \file       ArcFPK2.cs
+//! \date       2018 Jun 02
+//! \brief      FPK 2.0 resource archives implementation.
+//
+// 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.CandySoft
+{
+    [Export(typeof(ArchiveFormat))]
+    public class Fpk2Opener : FpkOpener
+    {
+        public override string         Tag { get { return "FPK/2.00"; } }
+        public override string Description { get { return "Interheart resource archive"; } }
+        public override uint     Signature { get { return 0x204B5046; } } // 'FPK 2.00'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!file.View.AsciiEqual (4, "2.00"))
+                return null;
+            int count = file.View.ReadInt32 (0x1C);
+            if (!IsSaneCount (count))
+                return null;
+            uint index_offset = 0x20;
+            uint index_size = (uint)count * 0x20u;
+            if (index_size > file.View.Reserve (index_offset, index_size))
+                return null;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset+8, 0x18);
+                if (!name.StartsWith ("/"))
+                {
+                    var entry = FormatCatalog.Instance.Create<Entry> (name);
+                    entry.Offset = file.View.ReadUInt32 (index_offset);
+                    entry.Size   = file.View.ReadUInt32 (index_offset+4);
+                    if (!entry.CheckPlacement (file.MaxOffset))
+                        return null;
+                    dir.Add (entry);
+                }
+                index_offset += 0x20;
+            }
+            return new ArcFile (file, this, dir);
+        }
+    }
+}