feat: 项目初始化 + 3D方块世界原型 + AI助搭系统

初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器

HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块

Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚

AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI

launcher/PCL-CE/PCL.Core/Utils/PEHeaderReader.cs

@@ -0,0 +1,151 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace PCL.Core.Utils;
+
+// ReSharper disable InconsistentNaming
+
+/// <summary>
+/// 通用化 PE 文件头读取器
+/// </summary>
+public static class PEHeaderReader
+{
+    private const int PE_POINTER_OFFSET = 0x3C;
+    private const uint PE_SIGNATURE = 0x00004550; // "PE\0\0"
+
+    /// <summary>
+    /// 读取并解析 PE 文件头结构
+    /// </summary>
+    public static PEStruct ReadPEHeader(string filePath)
+    {
+        var result = new PEStruct();
+
+        if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath))
+        {
+            result.ErrorMessage = "文件不存在或路径无效";
+            return result;
+        }
+
+        try
+        {
+            using var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
+            // 验证 DOS 头
+            if (!_IsValidDosHeader(fs))
+            {
+                result.ErrorMessage = "无效的DOS头(MZ签名)";
+                return result;
+            }
+
+            // 获取 NT 头偏移量
+            var peHeaderOffset = _GetPEOffset(fs);
+            if (peHeaderOffset <= 0 || peHeaderOffset >= fs.Length - 24)
+            {
+                result.ErrorMessage = "无效的PE头偏移量";
+                return result;
+            }
+
+            // 定位并验证 PE 签名
+            fs.Seek(peHeaderOffset, SeekOrigin.Begin);
+            if (!_IsValidPESignature(fs))
+            {
+                result.ErrorMessage = "无效的PE签名";
+                return result;
+            }
+
+            // 读取完整的 IMAGE_FILE_HEADER 结构
+            result = _ParseImageFileHeader(fs);
+            result.IsValid = true;
+        }
+        catch (Exception ex)
+        {
+            result.IsValid = false;
+            result.ErrorMessage = $"读取失败: {ex.Message}";
+        }
+        return result;
+    }
+
+    private static bool _IsValidDosHeader(FileStream fs)
+    {
+        if (fs.Length < 2) return false;
+        fs.Seek(0, SeekOrigin.Begin);
+        return fs.ReadByte() == 'M' && fs.ReadByte() == 'Z';
+    }
+
+    private static long _GetPEOffset(FileStream fs)
+    {
+        fs.Seek(PE_POINTER_OFFSET, SeekOrigin.Begin);
+        using var reader = new BinaryReader(fs, Encoding.Default, true);
+        return reader.ReadInt32();
+    }
+
+    private static bool _IsValidPESignature(FileStream fs)
+    {
+        using var reader = new BinaryReader(fs, Encoding.Default, true);
+        return reader.ReadUInt32() == PE_SIGNATURE;
+    }
+
+    private static PEStruct _ParseImageFileHeader(FileStream fs)
+    {
+        using var reader = new BinaryReader(fs, Encoding.Default, true);
+        return new PEStruct
+        {
+            // 将读取的ushort值转换为MachineType枚举
+            Machine = (MachineType)reader.ReadUInt16(),
+            NumberOfSections = reader.ReadUInt16(),
+            TimeDateStamp = reader.ReadUInt32(),
+            PointerToSymbolTable = reader.ReadUInt32(),
+            NumberOfSymbols = reader.ReadUInt32(),
+            SizeOfOptionalHeader = reader.ReadUInt16(),
+            Characteristics = reader.ReadUInt16()
+        };
+    }
+
+    public static bool IsMachine64Bit(MachineType machine)
+    {
+        return new List<MachineType> { MachineType.IA64, MachineType.ARM64, MachineType.AMD64 }.Contains(machine);
+    }
+}
+
+/// <summary>
+/// PE 文件机器架构类型
+/// </summary>
+public enum MachineType : ushort
+{
+    Unknown = 0x0,
+    I386 = 0x14C,        // x86
+    IA64 = 0x200,        // Intel Itanium
+    AMD64 = 0x8664,      // x64 (AMD or Intel)
+    ARM = 0x1C0,         // ARM little endian
+    ARM64 = 0xAA64,      // ARM64 little endian
+    ARMNT = 0x1C4,       // ARM Thumb-2 little endian
+    EFI_BYTECODE = 0xEBC, // EFI byte code
+    M32R = 0x9041,       // Mitsubishi M32R little endian
+    MIPS16 = 0x266,      // MIPS16
+    MIPSFPU = 0x366,     // MIPS with FPU
+    MIPSFPU16 = 0x466,   // MIPS16 with FPU
+    POWERPC = 0x1F0,     // Power PC little endian
+    POWERPCFP = 0x1F1,   // Power PC with floating point support
+    R4000 = 0x166,       // MIPS little endian
+    SH3 = 0x1A2,         // Hitachi SH3
+    SH3DSP = 0x1A3,      // Hitachi SH3 DSP
+    SH4 = 0x1A6,         // Hitachi SH4
+    SH5 = 0x1A8,         // Hitachi SH5
+    THUMB = 0x1C2,       // Thumb
+    WCEMIPSV2 = 0x169,   // MIPS little-endian WCE v2
+}
+
+[Serializable]
+public struct PEStruct
+{
+    public MachineType Machine;
+    public ushort NumberOfSections;
+    public uint TimeDateStamp;
+    public uint PointerToSymbolTable;
+    public uint NumberOfSymbols;
+    public ushort SizeOfOptionalHeader;
+    public ushort Characteristics;
+    public bool IsValid;
+    public string ErrorMessage;
+}