From 056e36813bfc9ea6b3a2fe1519ffb7ad139187af Mon Sep 17 00:00:00 2001
From: morkt <morkt@users.noreply.github.com>
Date: Fri, 4 Jan 2019 06:50:20 +0400
Subject: [PATCH] (Legacy): RAD images.

---
 Legacy/Legacy.csproj    |   3 +
 Legacy/Rina/ImageRAD.cs | 131 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 134 insertions(+)
 create mode 100644 Legacy/Rina/ImageRAD.cs

diff --git a/Legacy/Legacy.csproj b/Legacy/Legacy.csproj
index 3b19753a..9f75ea95 100644
--- a/Legacy/Legacy.csproj
+++ b/Legacy/Legacy.csproj
@@ -94,9 +94,11 @@
     <Compile Include="Lazycrew\ImageDAT.cs" />
     <Compile Include="Melonpan\ArcTTD.cs" />
     <Compile Include="Mmfass\ArcSDA.cs" />
+    <Compile Include="Nyoken\ArcZLK.cs" />
     <Compile Include="PenguinWorks\ArcPAC.cs" />
     <Compile Include="Powerd\ImageNCL.cs" />
     <Compile Include="ProjectMyu\ImageGAM.cs" />
+    <Compile Include="Rina\ImageRAD.cs" />
     <Compile Include="RSystem\ArcRAD.cs" />
     <Compile Include="RSystem\ImageRSG.cs" />
     <Compile Include="Brownie\ArcNAF.cs" />
@@ -231,6 +233,7 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Bom\" />
+    <Folder Include="BRoom\" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
diff --git a/Legacy/Rina/ImageRAD.cs b/Legacy/Rina/ImageRAD.cs
new file mode 100644
index 00000000..c7827936
--- /dev/null
+++ b/Legacy/Rina/ImageRAD.cs
@@ -0,0 +1,131 @@
+//! \file       ImageRAD.cs
+//! \date       2019 Jan 01
+//! \brief      Rina engine image format.
+//
+// Copyright (C) 2019 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+// [030620][Gipsy] Angel Gather
+
+namespace GameRes.Formats.Rina
+{
+    internal class RadMetaData : ImageMetaData
+    {
+        public bool IsCompressed;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class RadFormat : ImageFormat
+    {
+        public override string         Tag { get { return "RAD"; } }
+        public override string Description { get { return "Rina engine image format"; } }
+        public override uint     Signature { get { return 0x304152; } }
+
+        public RadFormat ()
+        {
+            Signatures = new uint[] { 0x304152, 0x444152 }; // 'RA0', 'RAD'
+        }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            return new RadMetaData {
+                Width = 640, Height = 480, BPP = 24,
+                IsCompressed = file.Signature == 0x304152,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (RadMetaData)info;
+            file.Position = 4;
+            int stride = info.iWidth * 3;
+            var pixels = new byte[stride * info.iHeight];
+            if (meta.IsCompressed)
+                UnpackRgb (file, pixels);
+            else
+                file.Read (pixels, 0, pixels.Length);
+            if (file.PeekByte() == -1)
+                return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, stride);
+
+            var alpha = new byte[info.iWidth * info.iHeight];
+            if (meta.IsCompressed)
+                UnpackAlpha (file, alpha);
+            else
+                file.Read (alpha, 0, alpha.Length);
+
+            stride = info.iWidth * 4;
+            var output = new byte[stride * info.iHeight];
+            int src = 0;
+            int asrc = 0;
+            for (int dst = 0; dst < output.Length; dst += 4)
+            {
+                output[dst  ] = pixels[src++];
+                output[dst+1] = pixels[src++];
+                output[dst+2] = pixels[src++];
+                output[dst+3] = alpha[asrc++];
+            }
+            return ImageData.CreateFlipped (info, PixelFormats.Bgra32, null, output, stride);
+        }
+
+        void UnpackRgb (IBinaryStream file, byte[] output)
+        {
+            int dst = 0;
+            while (dst < output.Length)
+            {
+                if (file.Read (output, dst, 3) != 3)
+                    break;
+                int count = 1;
+                int pixel = output.ToInt24 (dst);
+                if (0 == pixel)
+                {
+                    count = file.ReadUInt8();
+                }
+                dst += count * 3;
+            }
+        }
+
+        void UnpackAlpha (IBinaryStream file, byte[] output)
+        {
+            int dst = 0;
+            while (dst < output.Length)
+            {
+                int v = file.ReadByte();
+                if (-1 == v)
+                    break;
+                int count = file.ReadByte();
+                if (-1 == count)
+                    break;
+                count = System.Math.Min (count, output.Length - dst);
+                while (count --> 0)
+                    output[dst++] = (byte)v;
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("RadFormat.Write not implemented");
+        }
+    }
+}