using ImageMagick; using System.Runtime.InteropServices; namespace EscudeLSF { [StructLayout(LayoutKind.Sequential, Pack = 1)] public struct LSFHDR { [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public byte[] signature; // 4 bytes public uint unknown1; // 4 bytes public uint unknown2; // 4 bytes public uint width; // 4 bytes public uint height; // 4 bytes public uint unknown_width; // 4 bytes public uint unknown_height; // 4 bytes } [StructLayout(LayoutKind.Sequential, Pack = 1)] public struct LSFENTRY { [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)] public char[] name; // 128 bytes public uint x; // 4 bytes public uint y; // 4 bytes public uint baseWidth; // 4 bytes public uint baseHeight; // 4 bytes public uint unknown3; // 4 bytes public uint unknown4; // 4 bytes public byte type; // 1 byte public byte id; // 1 byte public byte unknown5; // 1 byte public byte unknown6; // 1 byte public uint unknown7; // 4 bytes public uint unknown8; // 4 bytes } internal class Program { private static readonly byte[] Signature = [0x4C, 0x53, 0x46, 0x00]; static void Main(string[] args) { if (args.Length == 0 || args.Length > 2) { Console.WriteLine("Invalid arguments. Use -h for help."); return; } string? workDirectory; string? outputDirectory; switch (args[0]) { case "-h": DisplayHelp(); return; case "-r": case "-d": case "-s": workDirectory = GetWorkDirectory(args); outputDirectory = GetOutputDirectory(workDirectory); if (args[0] == "-d") { ProcessBatch(args[1], workDirectory, outputDirectory); } else { CombineIMG(ReadLSF(args[1]), workDirectory, outputDirectory); } break; default: if (!IsValidFileArgument(args)) { Console.WriteLine("Invalid arguments. Use -h for help."); return; } workDirectory = Path.GetDirectoryName(args[0]); outputDirectory = GetOutputDirectory(workDirectory); CombineIMG(ReadLSF(args[0]), workDirectory, outputDirectory); break; } } static void DisplayHelp() { Console.WriteLine("Usage: EscudeLSF.exe [-r ] [-d ] [-s ] [-h]"); Console.WriteLine("Options:"); Console.WriteLine(" Single lsf process"); Console.WriteLine(" -r Read single lsf file"); Console.WriteLine(" -d Process all lsf files in directory"); Console.WriteLine(" -s Same as "); Console.WriteLine(" -h Display help info"); } static string GetOutputDirectory(string workDirectory) { string outputDirectory = Path.Combine(Path.GetDirectoryName(workDirectory), "output"); if (!Directory.Exists(outputDirectory)) { Directory.CreateDirectory(outputDirectory); } return outputDirectory; } static void ProcessBatch(string directory, string workDirectory, string outputDirectory) { foreach (string file in Directory.GetFiles(directory, "*.lsf")) { CombineIMG(ReadLSF(file), workDirectory, outputDirectory); } } static string GetWorkDirectory(string[] args) { return args[0] == "-d" ? args[1] : Path.GetDirectoryName(args[1]); } static bool IsValidFileArgument(string[] args) { return args.Length == 2 || (args.Length == 1 && !Path.Exists(args[0])); } static List ReadLSF(string filePath) { LSFHDR header; List entries = []; using (FileStream fs = new(filePath, FileMode.Open, FileAccess.Read)) using (BinaryReader reader = new(fs)) { header = ReadLSFHDR(reader); if (!header.signature.SequenceEqual(Signature)) { Console.WriteLine("Invalid LSF file: Signature does not match."); return []; } while (fs.Position < fs.Length) { LSFENTRY entry = ReadLSFENTRY(reader); // 过滤某些类型(主要是表情，还有审查 // 没找到合适的处理方法，有主意的老哥欢迎Pull Request if (entry.type == 0x0B || entry.type == 0x15 || entry.type == 0xFF || (entry.type == 0x00 && entry.unknown5 == 0x03)) { continue; } // 过滤重复项(没看出重复的意义，也许是前面过滤掉的某个类型需要 if (entries.Any(e => e.name.SequenceEqual(entry.name))) { continue; } entries.Add(entry); } } return entries; } static LSFHDR ReadLSFHDR(BinaryReader reader) { byte[] headerData = reader.ReadBytes(Marshal.SizeOf(typeof(LSFHDR))); GCHandle handle = GCHandle.Alloc(headerData, GCHandleType.Pinned); try { return (LSFHDR)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(LSFHDR)); } finally { handle.Free(); } } static LSFENTRY ReadLSFENTRY(BinaryReader reader) { byte[] entryData = reader.ReadBytes(Marshal.SizeOf(typeof(LSFENTRY))); GCHandle handle = GCHandle.Alloc(entryData, GCHandleType.Pinned); try { return (LSFENTRY)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(LSFENTRY)); } finally { handle.Free(); } } static void CombineIMG(List entrys, string workDirectory, string storeDir) { // 检查是否有多个角色 bool isMultiCharacter = entrys.Any(e => e.type == 0x14); foreach (var entry in entrys.Where(e => e.type == 0x00)) { string baseName = new string(entry.name).Trim('\0'); string targetPath = Path.Combine(storeDir, baseName); string baseImagePath = Path.Combine(workDirectory, baseName + ".png"); if (!File.Exists(baseImagePath)) { Console.WriteLine($"Error, File not found: {baseName}"); continue; } foreach (var eyeEntry in entrys.Where(e => e.type == 0x0A)) { using var baseImage = new MagickImage(baseImagePath); ProcessEyeImage(entrys, workDirectory, baseImage, eyeEntry, targetPath, isMultiCharacter); } } } private static void ProcessEyeImage(List entrys, string workDirectory, MagickImage baseImage, LSFENTRY eyeEntry, string targetPath, bool isMultiCharacter) { string eyeName = new string(eyeEntry.name).Trim('\0'); string eyeImagePath = Path.Combine(workDirectory, eyeName + ".png"); if (!File.Exists(eyeImagePath)) { Console.WriteLine($"Error, File not found: {eyeName}"); return; } using var eyeImage = new MagickImage(eyeImagePath); var tmpImage = RealProcessIMG(baseImage, eyeImage, (int)eyeEntry.x, (int)eyeEntry.y); string target2Path = targetPath + "_" + eyeName; if (isMultiCharacter) { foreach (var eye2Entry in entrys.Where(e => e.type == 0x14)) { using var tmpImageClone = (MagickImage)tmpImage.Clone(); ProcessOverlayImage(eye2Entry, target2Path, workDirectory, tmpImageClone); } } else { tmpImage.Write(target2Path + ".png"); } } private static void ProcessOverlayImage(LSFENTRY eye2Entry, string target2Path, string workDirectory, MagickImage tmpImage) { string eye2Name = new string(eye2Entry.name).Trim('\0'); string eye2ImagePath = Path.Combine(workDirectory, eye2Name + ".png"); if (!File.Exists(eye2ImagePath)) { Console.WriteLine($"Error, File not found: {eye2Name}"); return; } using var overlayImage = new MagickImage(eye2ImagePath); RealProcessIMG(tmpImage, overlayImage, (int)eye2Entry.x, (int)eye2Entry.y).Write($"{target2Path}_{eye2Name}.png"); } static MagickImage RealProcessIMG(MagickImage b, MagickImage o, int x, int y) { o.Alpha(AlphaOption.Set); // Not working // 原先是设计给处理那些不透明的图片，但好像有问题 //if (args[4] == "y") //{ // //overlayImage.ColorFuzz = new Percentage(6); // For Face // //overlayImage.Transparent(MagickColors.White); // For Face // //overlayImage.Blur(0, 4); // For Face //} b.Composite(o, x, y, CompositeOperator.Over); return b; } } }