feat: PS2 BIP format

ArcFormats/ArcFormats.csproj

@@ -132,6 +132,8 @@
     <Compile Include="GScripter\ArcDATA.cs" />
     <Compile Include="Ism\ImagePNG.cs" />
     <Compile Include="Kid\ArcDATRAW.cs" />
+    <Compile Include="Kid\ImageBIP.cs" />
+    <Compile Include="Kid\ImageBIParc.cs" />
     <Compile Include="Kid\ImageLBG.cs" />
     <Compile Include="Kid\ImageSPC.cs" />
     <Compile Include="Kogado\ArcARC.cs" />

ArcFormats/Kid/ImageBIP.cs

@@ -0,0 +1,164 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Text;
+using System.Windows;
+using System.Windows.Media;
+using System.Windows.Media.Media3D;
+
+namespace GameRes.Formats.Kid
+{
+    public class BipFormat : ImageFormat
+    {
+        public override string Tag { get { return "BIP/PS2"; } }
+        public override string Description { get { return "PS2 tiled bitmap format"; } }
+        public override uint Signature { get { return 0; } } //0x05000000
+
+        public override ImageMetaData ReadMetaData(IBinaryStream file)
+        {
+            uint header = file.ReadUInt32();
+            if (header == 9)
+            {
+                throw new NotSupportedException(string.Format("BIP Chara format not supported."));
+            }
+            else if (header != 5)
+            {
+                return null;
+            }
+
+            file.Seek(0x14, SeekOrigin.Begin);
+            if (file.ReadUInt16() != 256)
+            {
+                return null;
+            }
+            uint sign = file.ReadUInt16();
+            uint dy = 0;
+            bool sliced = true;
+            if (sign == 0x17)
+            {
+                dy = 16;
+            }
+            else if (sign == 0x16)
+            {
+                dy = 16;
+                sliced = false;
+            }
+            else if (sign == 0x13)
+            {
+                dy = 32;
+            }
+            else
+            {
+                return null;
+            }
+
+            //uint dx = dy * 32;
+            file.Seek(0x88, SeekOrigin.Begin);
+            uint width = file.ReadUInt16();
+            uint height = file.ReadUInt16();
+            if (width >= 1280 || height >= 1280) // suppose not so large
+                return null;
+
+            file.Seek(0x90, SeekOrigin.Begin);
+            uint size = file.ReadUInt32();
+            size &= 0x00FFFFFF;
+            if (sign == 0x13 && size != (file.Length - 0x100) || sign == 0x17 && size != (file.Length - 0x100)* 2)
+            {
+                return null;
+            }
+            return new BipImageMetaData
+            {
+                Width = width,
+                Height = height,
+                BlockSize = dy,
+                Sliced = sliced,
+            };
+        }
+        public override ImageData Read(IBinaryStream file, ImageMetaData info)
+        {
+            if (info == null)
+                throw new NotSupportedException(string.Format("Not BIP texture format."));
+            var bipheader = (BipImageMetaData)info;
+            file.Seek(0x100, SeekOrigin.Begin);
+            byte[] pixels = new byte[bipheader.iWidth * bipheader.iHeight * 4];
+            uint dy = bipheader.BlockSize;
+            uint dx = dy * 32;
+            if (bipheader.Sliced)
+            {
+                long dwidth = ((bipheader.iWidth + (dy - 2) - 1) / (dy - 2)) * dy;
+                long dheight = ((bipheader.iHeight + (dy - 2) - 1) / (dy - 2)) * dy;
+                long focus_H = (dwidth* dheight + dx - 1) / dx;
+                long focus_T = (focus_H + dy - 1) / dy;
+                
+                for (int t = 0; t < focus_T; t++)
+                {
+                    for(int y = 0; y < dy; y++)
+                    {
+                        for (int x = 0; x < dx; x++)
+                        {
+                            var pixel = file.ReadBytes(4); //RGBA with wrong A
+                            long i2x = x + t * dx;
+                            long i3t = i2x / dwidth;
+                            long i3x = i2x - i3t * dwidth;
+                            long i3y = i3t * (dy - 2) + y;
+                            long i4x = i3x - i3x / dy * dy + i3x / dy * (dy - 2);
+                            if (i3x >= dwidth || i4x >= bipheader.iWidth || i3y >= bipheader.iHeight)
+                                continue;
+                            long target = (i4x + i3y * bipheader.iWidth) * 4;
+                            //BGRA
+                            pixels[target] = pixel[2];
+                            pixels[target + 1] = pixel[1];
+                            pixels[target + 2] = pixel[0];
+                            if (pixel[3] >= byte.MaxValue / 2)
+                                pixels[target + 3] = byte.MaxValue;
+                            else
+                                pixels[target + 3] = (byte)(pixel[3] << 1);
+                        }
+                    }
+                }
+            }
+            else
+            {
+                long focus_H = (bipheader.iWidth * bipheader.iHeight + dx - 1) / dx;
+                long focus_T = (focus_H + dy - 1) / dy;
+                for (int t = 0; t < focus_T; t++)
+                {
+                    for (int y = 0; y < dy; y++)
+                    {
+                        for (int x = 0; x < dx; x++)
+                        {
+                            var pixel = file.ReadBytes(4); //RGBA with wrong A
+                            long i2x = x + t * dx;
+                            long i3t = i2x / bipheader.iWidth;
+                            long i3x = i2x - i3t * bipheader.iWidth;
+                            long i3y = i3t * dy + y;
+                            if (i3x >= bipheader.iWidth || i3y >= bipheader.iHeight)
+                                continue;
+                            long target = (i3x + i3y * bipheader.iWidth) * 4;
+                            //BGRA
+                            pixels[target] = pixel[2];
+                            pixels[target + 1] = pixel[1];
+                            pixels[target + 2] = pixel[0];
+                            if (pixel[3] >= byte.MaxValue / 2)
+                                pixels[target + 3] = byte.MaxValue;
+                            else
+                                pixels[target + 3] = (byte)(pixel[3] << 1);
+                        }
+                    }
+                }
+            }
+            return ImageData.Create(info, PixelFormats.Bgra32, null, pixels); ;
+        }
+        public override void Write(Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException("BipFormat.Write not implemented");
+        }
+
+        class BipImageMetaData : ImageMetaData
+        {
+            public uint BlockSize { get; set; }
+            public bool Sliced { get; set; }
+        }
+    }
+}

ArcFormats/Kid/ImageBIParc.cs

@@ -0,0 +1,44 @@
+using GameRes.Compression;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Kid
+{
+    [Export(typeof(ImageFormat))]
+    public class BipArkFormat: BipFormat
+    {
+        public override string Tag { get { return "BIP/PS2 compressed"; } }
+        public override string Description { get { return "PS2 tiled bitmap format with lzss compress"; } }
+        public override uint Signature { get { return 0; } }
+        public BipArkFormat()
+        {
+            Extensions = new string[] { "bip" };
+        }
+
+        public override ImageMetaData ReadMetaData(IBinaryStream stream)
+        {
+            uint unpacked_size = stream.Signature;
+            if (unpacked_size <= 0x20 || unpacked_size > 0x5000000) // ~83MB
+                return null;
+            stream.Position = 4;
+            using (var lzss = new LzssStream(stream.AsStream, LzssMode.Decompress, true))
+            using (var input = new SeekableStream(lzss))
+            using (var bip = new BinaryStream(input, stream.Name))
+                return base.ReadMetaData(bip);
+        }
+        public override ImageData Read(IBinaryStream stream, ImageMetaData info)
+        {
+            stream.Position = 4;
+            using (var lzss = new LzssStream(stream.AsStream, LzssMode.Decompress, true))
+            using (var input = new SeekableStream(lzss))
+            using (var bip = new BinaryStream(input, stream.Name))
+                return base.Read(bip, info);
+        }
+        public override void Write(Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException("BipFormat.Write not implemented");
+        }
+    }
+}