распаковка миссий - tma

MissionDataUnpacker/MissionDataUnpacker.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

MissionDataUnpacker/Program.cs

@@ -0,0 +1,219 @@
+using System.Buffers.Binary;
+using System.Text;
+
+// var missionFilePath = "C:\\Program Files (x86)\\Nikita\\Iron Strategy\\MISSIONS\\Autodemo.00\\data.tma";
+// var missionFilePath = "C:\\Program Files (x86)\\Nikita\\Iron Strategy\\MISSIONS\\Tutorial.01\\data.tma";
+var missionFilePath = "C:\\Program Files (x86)\\Nikita\\Iron Strategy\\MISSIONS\\CAMPAIGN\\CAMPAIGN.01\\Mission.03\\data.tma";
+// var missionFilePath = "C:\\Program Files (x86)\\Nikita\\Iron Strategy\\MISSIONS\\Single.01\\data.tma";
+var fs = new FileStream(missionFilePath, FileMode.Open);
+
+var arealData = LoadAreals(fs);
+
+var clans = LoadClans(fs);
+
+_ = 5;
+// LoadGameObjects(fs);
+
+ArealsFileData LoadAreals(FileStream fileStream)
+{
+    var unusedHeader = fileStream.ReadInt32LittleEndian();
+    var arealCount = fileStream.ReadInt32LittleEndian();
+
+    // В демо миссии нет ареалов, ровно как и в первой миссии кампании
+    // Span<byte> arealBuffer = stackalloc byte[12];
+
+    List<ArealInfo> infos = [];
+    for (var i = 0; i < arealCount; i++)
+    {
+        // игра читает 4 байта - видимо количество
+        var unknown4Bytes = fileStream.ReadInt32LittleEndian();
+
+        var count = fileStream.ReadInt32LittleEndian();
+
+        List<Vector3> vectors = [];
+        if (0 < count)
+        {
+            for (var i1 = 0; i1 < count; i1++)
+            {
+                // потом читает 12 байт разом (тут видимо какой-то вектор)
+                var unknownFloat1 = fileStream.ReadFloatLittleEndian();
+                var unknownFloat2 = fileStream.ReadFloatLittleEndian();
+                var unknownFloat3 = fileStream.ReadFloatLittleEndian();
+
+                vectors.Add(new Vector3(unknownFloat1, unknownFloat2, unknownFloat3));
+            }
+        }
+
+        infos.Add(new ArealInfo(unknown4Bytes, count, vectors));
+    }
+
+    return new ArealsFileData(unusedHeader, arealCount, infos);
+}
+
+ClansFileData? LoadClans(FileStream fileStream)
+{
+    var clanFeatureSet = fileStream.ReadInt32LittleEndian();
+
+    if (clanFeatureSet is <= 0 or >= 7) return null;
+
+    var treeInfoCount = fileStream.ReadInt32LittleEndian();
+
+    List<ClanTreeInfo> infos = [];
+    for (var i = 0; i < treeInfoCount; i++)
+    {
+        var clanTreeInfo = new ClanTreeInfo();
+
+        clanTreeInfo.ClanName = fileStream.ReadLengthPrefixedString();
+        clanTreeInfo.UnkInt1 = fileStream.ReadInt32LittleEndian();
+        clanTreeInfo.X = fileStream.ReadFloatLittleEndian();
+        clanTreeInfo.Y = fileStream.ReadFloatLittleEndian();
+        clanTreeInfo.ClanType = fileStream.ReadInt32LittleEndian();
+            
+        if (1 < clanFeatureSet)
+        {
+            // MISSIONS\SCRIPTS\default
+            // MISSIONS\SCRIPTS\tut1_pl
+            // MISSIONS\SCRIPTS\tut1_en
+            clanTreeInfo.UnkString2 = fileStream.ReadLengthPrefixedString();
+        }
+
+        if (2 < clanFeatureSet)
+        {
+            clanTreeInfo.UnknownClanPartCount = fileStream.ReadInt32LittleEndian();
+
+            // тут игра читает число, затем 12 байт и ещё 2 числа
+
+            List<UnknownClanTreeInfoPart> unknownClanTreeInfoParts = [];
+            for (var i1 = 0; i1 < clanTreeInfo.UnknownClanPartCount; i1++)
+            {
+                unknownClanTreeInfoParts.Add(
+                    new UnknownClanTreeInfoPart(
+                        fileStream.ReadInt32LittleEndian(),
+                        new Vector3(
+                            fileStream.ReadFloatLittleEndian(),
+                            fileStream.ReadFloatLittleEndian(),
+                            fileStream.ReadFloatLittleEndian()
+                        ),
+                        fileStream.ReadFloatLittleEndian(),
+                        fileStream.ReadFloatLittleEndian()
+                    )
+                );
+            }
+
+            clanTreeInfo.UnknownParts = unknownClanTreeInfoParts;
+        }
+
+        if (3 < clanFeatureSet)
+        {
+            // MISSIONS\SCRIPTS\auto.trf
+            // MISSIONS\SCRIPTS\data.trf
+            // указатель на NRes файл с данными
+            // может быть пустым, например у Ntrl в туториале
+            clanTreeInfo.ResearchNResPath = fileStream.ReadLengthPrefixedString();
+        }
+
+        if (4 < clanFeatureSet)
+        {
+            clanTreeInfo.UnkInt3 = fileStream.ReadInt32LittleEndian();
+        }
+
+        if (5 < clanFeatureSet)
+        {
+            clanTreeInfo.AlliesMapCount = fileStream.ReadInt32LittleEndian();
+                
+            // тут какая-то мапа 
+            // в демо миссии тут 
+            // player -> 1
+            // player2 -> 0
+
+            // в туториале 
+            // Plr -> 1
+            // Trgt -> 1
+            // Enm -> 0
+            // Ntrl -> 1
+            Dictionary<string, int> map = [];
+            for (var i1 = 0; i1 < clanTreeInfo.AlliesMapCount; i1++)
+            {
+                var keyIdString = fileStream.ReadLengthPrefixedString();
+                // это число всегда либо 0 либо 1
+                var unkNumber = fileStream.ReadInt32LittleEndian();
+
+                map[keyIdString] = unkNumber;
+            }
+
+            clanTreeInfo.AlliesMap = map;
+        }
+
+        infos.Add(clanTreeInfo);
+    }
+
+    var clanInfo = new ClansFileData(clanFeatureSet, treeInfoCount, infos);
+
+    return clanInfo;
+}
+
+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();
+
+        var buffer = new byte[len];
+
+        fs.ReadExactly(buffer, 0, len);
+
+        return Encoding.ASCII.GetString(buffer, 0, len);
+    }
+}
+
+public record ArealsFileData(int UnusedHeader, int ArealCount, List<ArealInfo> ArealInfos);
+
+public record ArealInfo(int Index, int CoordsCount, List<Vector3> Coords);
+
+public record Vector3(float X, float Y, float Z);
+
+// ----
+
+public record ClansFileData(int ClanFeatureSet, int TreeCount, List<ClanTreeInfo> TreeInfos);
+
+public class ClanTreeInfo
+{
+    public string ClanName { get; set; }
+    public int UnkInt1 { get; set; }
+    public float X { get; set; }
+    public float Y { get; set; }
+    
+    /// <summary>
+    /// 1 - игрок, 2 AI, 3 - нейтральный
+    /// </summary>
+    public int ClanType { get; set; }
+    public string UnkString2 { get; set; }
+    public int UnknownClanPartCount { get; set; }
+    public List<UnknownClanTreeInfoPart> UnknownParts { get; set; }
+    public string ResearchNResPath { get; set; }
+    public int UnkInt3 { get; set; }
+    public int AlliesMapCount { get; set; }
+    
+    /// <summary>
+    /// мапа союзников (ключ - имя клана, значение - число, всегда либо 0 либо 1)
+    /// </summary>
+    public Dictionary<string, int> AlliesMap { get; set; }
+}
+
+public record UnknownClanTreeInfoPart(int UnkInt1, Vector3 UnkVector, float UnkInt2, float UnkInt3);

ParkanPlayground.sln

@@ -14,6 +14,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MeshUnpacker", "MeshUnpacke
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TexmLib", "TexmLib\TexmLib.csproj", "{40097CB1-B4B8-4D3E-A874-7D46F5C81DB3}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MissionDataUnpacker", "MissionDataUnpacker\MissionDataUnpacker.csproj", "{7BF5C860-9194-4AF2-B5DA-216F98B03DBE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -48,5 +50,9 @@ Global
 		{40097CB1-B4B8-4D3E-A874-7D46F5C81DB3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{40097CB1-B4B8-4D3E-A874-7D46F5C81DB3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{40097CB1-B4B8-4D3E-A874-7D46F5C81DB3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7BF5C860-9194-4AF2-B5DA-216F98B03DBE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7BF5C860-9194-4AF2-B5DA-216F98B03DBE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7BF5C860-9194-4AF2-B5DA-216F98B03DBE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7BF5C860-9194-4AF2-B5DA-216F98B03DBE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal