Implement SCR UI

ScrLib/Extensions.cs

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+using System.Buffers.Binary;
+using System.Text;
+
+namespace ScrLib;
+
+public static class Extensions
+{
+    public static int ReadInt32LittleEndian(this FileStream fs)
+    {
+        Span<byte> buf = stackalloc byte[4];
+        fs.ReadExactly(buf);
+
+        return BinaryPrimitives.ReadInt32LittleEndian(buf);
+    }
+
+    public static float ReadFloatLittleEndian(this FileStream fs)
+    {
+        Span<byte> buf = stackalloc byte[4];
+        fs.ReadExactly(buf);
+
+        return BinaryPrimitives.ReadSingleLittleEndian(buf);
+    }
+
+    public static string ReadLengthPrefixedString(this FileStream fs)
+    {
+        var len = fs.ReadInt32LittleEndian();
+
+        if (len == 0)
+        {
+            return "";
+        }
+
+        var buffer = new byte[len];
+
+        fs.ReadExactly(buffer, 0, len);
+
+        return Encoding.ASCII.GetString(buffer, 0, len);
+    }
+}

ScrLib/MissionTmaParseResult.cs

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+namespace ScrLib;
+
+public record ScrParseResult(ScrFile? Scr, string? Error);

ScrLib/ScrFile.cs

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+namespace ScrLib;
+
+public class ScrFile
+{
+    /// <summary>
+    /// тут всегда число 59 (0x3b) - это число известных игре скриптов
+    /// </summary>
+    public int Magic { get; set; }
+    
+    public int EntryCount { get; set; }
+    
+    public List<ScrEntry> Entries { get; set; }
+}
+
+public class ScrEntry
+{
+    public string Title { get; set; }
+
+    public int Index { get; set; }
+    
+    public int InnerCount { get; set; }
+
+    public List<ScrEntryInner> Inners { get; set; }
+}
+
+public class ScrEntryInner
+{
+    /// <summary>
+    /// Номер скрипта в игре (это тех, которых 0x3b)
+    /// </summary>
+    public int ScriptIndex { get; set; }
+
+    public int UnkInner2 { get; set; }
+    public int UnkInner3 { get; set; }
+    public int UnkInner4 { get; set; }
+    public int UnkInner5 { get; set; }
+
+    public int ArgumentsCount { get; set; }
+
+    public List<int> Arguments { get; set; }
+
+    public int UnkInner7 { get; set; }
+}

ScrLib/ScrLib.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

ScrLib/ScrParser.cs

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+namespace ScrLib;
+
+public class ScrParser
+{
+    public static ScrFile ReadFile(string filePath)
+    {
+        var fs = new FileStream(filePath, FileMode.Open);
+
+        var scrFile = new ScrFile();
+        
+        scrFile.Magic = fs.ReadInt32LittleEndian();
+
+        scrFile.EntryCount = fs.ReadInt32LittleEndian();
+        scrFile.Entries = [];
+
+        for (var i = 0; i < scrFile.EntryCount; i++)
+        {
+            var entry = new ScrEntry();
+            entry.Title = fs.ReadLengthPrefixedString();
+    
+            // тут игра дополнительно вычитывает ещё 1 байт, видимо как \0 для char*
+            fs.ReadByte();
+
+            entry.Index = fs.ReadInt32LittleEndian();
+            entry.InnerCount = fs.ReadInt32LittleEndian();
+            entry.Inners = [];
+            for (var i1 = 0; i1 < entry.InnerCount; i1++)
+            {
+                var entryInner = new ScrEntryInner();
+                entryInner.ScriptIndex = fs.ReadInt32LittleEndian();
+                
+                entryInner.UnkInner2 = fs.ReadInt32LittleEndian();
+                entryInner.UnkInner3 = fs.ReadInt32LittleEndian();
+                entryInner.UnkInner4 = fs.ReadInt32LittleEndian();
+                entryInner.UnkInner5 = fs.ReadInt32LittleEndian();
+        
+                entryInner.ArgumentsCount = fs.ReadInt32LittleEndian();
+
+                entryInner.Arguments = [];
+
+                for (var i2 = 0; i2 < entryInner.ArgumentsCount; i2++)
+                {
+                    entryInner.Arguments.Add(fs.ReadInt32LittleEndian());
+                }
+
+                entryInner.UnkInner7 = fs.ReadInt32LittleEndian();
+                entry.Inners.Add(entryInner);
+            }
+            
+            scrFile.Entries.Add(entry);
+        }
+
+        return scrFile;
+    }
+}