From ecf0d9d4ef130af43dc551082522ae9e5edb0b1b Mon Sep 17 00:00:00 2001
From: Chenx221 <chenx221@yandex.com>
Date: Thu, 10 Oct 2024 17:54:47 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E9=A1=B9=E7=9B=AE=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 EscudeLSF.sln                            |  25 ++
 EscudeLSF/EscudeLSF.csproj               |  14 ++
 EscudeLSF/Program.cs                     | 276 +++++++++++++++++++++++
 EscudeLSF/Properties/launchSettings.json |   7 +
 README.md                                |   1 +
 note.txt                                 | 148 ++++++++++++
 6 files changed, 471 insertions(+)
 create mode 100644 EscudeLSF.sln
 create mode 100644 EscudeLSF/EscudeLSF.csproj
 create mode 100644 EscudeLSF/Program.cs
 create mode 100644 EscudeLSF/Properties/launchSettings.json
 create mode 100644 README.md
 create mode 100644 note.txt

diff --git a/EscudeLSF.sln b/EscudeLSF.sln
new file mode 100644
index 0000000..6034cd9
--- /dev/null
+++ b/EscudeLSF.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35312.102
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EscudeLSF", "EscudeLSF\EscudeLSF.csproj", "{3DD9B6A4-5DD0-43FA-92EF-33DED4622A2B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3DD9B6A4-5DD0-43FA-92EF-33DED4622A2B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3DD9B6A4-5DD0-43FA-92EF-33DED4622A2B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3DD9B6A4-5DD0-43FA-92EF-33DED4622A2B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3DD9B6A4-5DD0-43FA-92EF-33DED4622A2B}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CAD0F1D4-91F8-4B9F-B70D-90E12F0B04F8}
+	EndGlobalSection
+EndGlobal
diff --git a/EscudeLSF/EscudeLSF.csproj b/EscudeLSF/EscudeLSF.csproj
new file mode 100644
index 0000000..10c16d4
--- /dev/null
+++ b/EscudeLSF/EscudeLSF.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="14.0.0" />
+  </ItemGroup>
+
+</Project>
diff --git a/EscudeLSF/Program.cs b/EscudeLSF/Program.cs
new file mode 100644
index 0000000..447eecf
--- /dev/null
+++ b/EscudeLSF/Program.cs
@@ -0,0 +1,276 @@
+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 <filepath>] [-d <directory>] [-s <filepath>] [-h]");
+            Console.WriteLine("Options:");
+            Console.WriteLine("  <filepath>     Single lsf process");
+            Console.WriteLine("  -r <filepath>  Read single lsf file");
+            Console.WriteLine("  -d <directory> Process all lsf files in directory");
+            Console.WriteLine("  -s <filepath>  Same as <filepath>");
+            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<LSFENTRY> ReadLSF(string filePath)
+        {
+            LSFHDR header;
+            List<LSFENTRY> 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<LSFENTRY> 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($"Error, File not found: {baseName}");
+                    continue;
+                }
+
+                
+
+                foreach (var eyeEntry in entrys.Where(e => e.type == 0x0A))
+                {
+                    using var baseImage = new MagickImage(baseImagePath);
+                    ProcessEyeImage(entrys, workDirectory, baseImage, eyeEntry, targetPath, isMultiCharacter);
+                }
+            }
+        }
+
+        private static void ProcessEyeImage(List<LSFENTRY> entrys, string workDirectory, MagickImage baseImage, LSFENTRY eyeEntry, string targetPath, bool isMultiCharacter)
+        {
+            string eyeName = new string(eyeEntry.name).Trim('\0');
+            string eyeImagePath = Path.Combine(workDirectory, eyeName + ".png");
+
+            if (!File.Exists(eyeImagePath))
+            {
+                Console.WriteLine($"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))
+                {
+                    ProcessOverlayImage(eye2Entry, target2Path, workDirectory, tmpImage);
+                }
+            }
+            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;
+        }
+    }
+}
diff --git a/EscudeLSF/Properties/launchSettings.json b/EscudeLSF/Properties/launchSettings.json
new file mode 100644
index 0000000..fc452a6
--- /dev/null
+++ b/EscudeLSF/Properties/launchSettings.json
@@ -0,0 +1,7 @@
+{
+  "profiles": {
+    "EscudeLSF": {
+      "commandName": "Project"
+    }
+  }
+}
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..662c5a6
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# EscudeLSF
\ No newline at end of file
diff --git a/note.txt b/note.txt
new file mode 100644
index 0000000..c800342
--- /dev/null
+++ b/note.txt
@@ -0,0 +1,148 @@
+struct LSFHDR { 28
+    uint8_t  signature[4];  // 4 bytes // LSF
+    uint32_t unknown1;      // 4 bytes
+    uint32_t unknown2;      // 4 bytes
+    uint32_t width;      // 4 bytes
+    uint32_t height;      // 4 bytes
+    uint32_t unknown_width;      // 4 bytes
+    uint32_t unknown_height;      // 4 bytes
+};
+
+
+[4C 53 46 00] 02 00 00 00 00 00 09 00 [00 05 00 00]
+[D0 02 00 00] [80 02 00 00] [68 01 00 00]
+
+
+struct LSFENTRY { 164
+    char     name[128];      // 128 bytes
+    uint32_t x;      // 4 bytes
+    uint32_t y;      // 4 bytes
+    uint32_t baseWidth+Width;      // 4 bytes
+    uint32_t baseHeight+Height;      // 4 bytes
+    uint32_t unknown3;             // 4 bytes
+    uint32_t unknown4;             // 4 bytes
+    uint32_t properties;             // 4 bytes
+        //uint8_t  type;        // 1 bytes // 00Base 0BFace? 15Face2? 0AEye 14Eye2 FFCensor 
+        //uint8_t  id;        // 1 bytes
+        //uint8_t  unknown5;        // 1 bytes //Layer? 可能决定一对多的关系？
+        //uint8_t  unknown6;        // 1 bytes // FF
+    uint32_t unknown7;             // 4 bytes
+    uint32_t unknown8;             // 4 bytes
+};
+
+未能实现：
+0B、15类型脸色、FF类型审查
+00 ** 03基板
+
+基板: 
+[45 56 5F 41 30 31 5F 30 30 31 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+00 00 00 00 00 00 00 00 [00 05 00 00] [D0 02 00 00]
+00 00 00 00 00 00 00 00 [00 01 00 FF] 00 00 00 00
+00 00 00 00
+
+脸色：(需白色转透明+5%颜色容错)
+[45 56 5F 41 30 31 5F 30 30 32 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+[30 02 00 00] [95 00 00 00] [A5 02 00 00] [C8 00 00 00]
+00 00 00 00 00 00 00 00 [0B 01 03 FF] 00 00 00 00
+00 00 00 00
+
+560,149
+677,200
+
+[45 56 5F 41 30 31 5F 30 30 33 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+[30 02 00 00] [96 00 00 00] [A5 02 00 00] [CA 00 00 00]
+00 00 00 00 00 00 00 00 [0B 02 03 FF] 00 00 00 00
+00 00 00 00
+
+560,150
+
+[45 56 5F 41 30 31 5F 30 30 34 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+[30 02 00 00] [8E 00 00 00] [A5 02 00 00] [CB 00 00 00]
+00 00 00 00 00 00 00 00 [0B 03 03 FF] 00 00 00 00
+00 00 00 00
+
+560 142
+
+不知道是什么玩意：（这个坐标都一样，遇到这种0B ** 00组合视为一个）
+[45 56 5F 41 30 31 5F 30 30 35 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+[3E 02 00 00] [A7 00 00 00] [9C 02 00 00] [B0 00 00 00]
+00 00 00 00 00 00 00 00 [0B 01 00 FF] 00 00 00 00
+00 00 00 00
+
+574 167
+
+45 56 5F 41 30 31 5F 30 30 35 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+3E 02 00 00 A7 00 00 00 9C 02 00 00 B0 00 00 00
+00 00 00 00 00 00 00 00 0B 02 00 FF 00 00 00 00
+00 00 00 00
+
+眼睛：
+[45 56 5F 41 30 31 5F 30 30 36 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+[2F 02 00 00] [77 00 00 00] [A6 02 00 00] [CB 00 00 00]
+00 00 00 00 00 00 00 00 [0A 01 00 FF] 00 00 00 00
+00 00 00 00
+
+559 119
+
+[45 56 5F 41 30 31 5F 30 30 37 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
+[2F 02 00 00] [79 00 00 00] [A7 02 00 00] [CB 00 00 00]
+00 00 00 00 00 00 00 00 [0A 02 00 FF] 00 00 00 00
+00 00 00 00
+
+559 121
\ No newline at end of file