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/ImageCWP.cs
+++ b/ArcFormats/ImageCWP.cs
@@ -0,0 +1,112 @@
+//! \file       ImageCWP.cs
+//! \date       Thu Jun 11 13:43:41 2015
+//! \brief      Crowd engine image format.
+//
+// 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Crowd
+{
+    [Export(typeof(ImageFormat))]
+    public class CwpFormat : ImageFormat
+    {
+        public override string         Tag { get { return "CWP"; } }
+        public override string Description { get { return "Crowd engine image format"; } }
+        public override uint     Signature { get { return 0x50445743; } } // 'CWDP'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            using (var input = new ArcView.Reader (stream))
+            {
+                input.ReadInt32();
+                uint width  = Binary.BigEndian (input.ReadUInt32());
+                uint height = Binary.BigEndian (input.ReadUInt32());
+                if (0 == width || 0 == height)
+                    return null;
+                int bpp = input.ReadByte();
+                int color_type = input.ReadByte();
+                switch (color_type)
+                {
+                case 2: bpp *= 3; break;
+                case 4: bpp *= 2; break;
+                case 6: bpp *= 4; break;
+                case 3:
+                case 0: break;
+                default: return null;
+                }
+                return new ImageMetaData
+                {
+                    Width = width,
+                    Height = height,
+                    BPP = bpp,
+                };
+            }
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            var header = new byte[0x15];
+            using (var mem = new MemoryStream((int)(0x14 + stream.Length + 12)))
+            using (var png = new BinaryWriter (mem))
+            {
+                png.Write (0x474E5089u); // png header
+                png.Write (0x0A1A0A0Du);
+                png.Write (0x0D000000u);
+                png.Write (0x52444849u); // 'IHDR'
+                stream.Position = 4;
+                stream.Read (header, 0, header.Length);
+                png.Write (header, 0, header.Length);
+                png.Write (0x54414449u); // 'IDAT'
+                stream.CopyTo (mem);
+                header[1] = 0;
+                header[2] = 0;
+                header[3] = 0;
+                LittleEndian.Pack (0x444E4549, header, 4);
+                LittleEndian.Pack (0x826042AE, header, 8);
+                png.Write (header, 1, 11);
+                mem.Position = 0;
+                var decoder = new PngBitmapDecoder (mem, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+                BitmapSource frame = decoder.Frames[0];
+                var pixels = new byte[info.Width*info.Height*4];
+                frame.CopyPixels (pixels, (int)info.Width*4, 0);
+                for (int i = 0; i < pixels.Length; i += 4)
+                {
+                    byte t = pixels[i];
+                    pixels[i] = pixels[i+2];
+                    pixels[i+2] = t;
+                }
+                return ImageData.Create (info, PixelFormats.Bgr32, null, pixels);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("CwpFormat.Write not implemented");
+        }
+    }
+}
+