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Added placeholder class for loading encrypted strings block in RSC Meta (only in debug build), added ResourceAnalyzer to Meta class (also debug build only).

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This commit is contained in:
dexy 2021-12-02 11:14:50 +11:00
parent 06f24af091
commit e812674e69
1 changed files with 61 additions and 7 deletions
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68
CodeWalker.Core/GameFiles/MetaTypes/Meta.cs
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@ -25,7 +25,7 @@ namespace CodeWalker.GameFiles
// structure data
public int Unknown_10h { get; set; } = 0x50524430;
public short Unknown_14h { get; set; } = 0x0079;
public byte HasUselessData { get; set; }
public byte HasEncryptedStrings { get; set; }
public byte Unknown_17h { get; set; } = 0x00;
public int Unknown_18h { get; set; } = 0x00000000;
public int RootBlockIndex { get; set; }
@ -33,7 +33,7 @@ namespace CodeWalker.GameFiles
public long EnumInfosPointer { get; set; }
public long DataBlocksPointer { get; set; }
public long NamePointer { get; set; }
public long UselessPointer { get; set; }
public long EncryptedStringsPointer { get; set; }
public short StructureInfosCount { get; set; }
public short EnumInfosCount { get; set; }
public short DataBlocksCount { get; set; }
@ -53,10 +53,16 @@ namespace CodeWalker.GameFiles
public ResourceSimpleArray<MetaDataBlock> DataBlocks { get; set; }
public string Name { get; set; }
//public string[] Strings { get; set; }
public MetaEncryptedStringsBlock EncryptedStrings { get; set; }
private string_r NameBlock = null;
#if DEBUG
public ResourceAnalyzer Analyzer { get; set; }
#endif
/// <summary>
/// Reads the data-block from a stream.
/// </summary>
@ -67,7 +73,7 @@ namespace CodeWalker.GameFiles
// read structure data
this.Unknown_10h = reader.ReadInt32();
this.Unknown_14h = reader.ReadInt16();
this.HasUselessData = reader.ReadByte();
this.HasEncryptedStrings = reader.ReadByte();
this.Unknown_17h = reader.ReadByte();
this.Unknown_18h = reader.ReadInt32();
this.RootBlockIndex = reader.ReadInt32();
@ -75,7 +81,7 @@ namespace CodeWalker.GameFiles
this.EnumInfosPointer = reader.ReadInt64();
this.DataBlocksPointer = reader.ReadInt64();
this.NamePointer = reader.ReadInt64();
this.UselessPointer = reader.ReadInt64();
this.EncryptedStringsPointer = reader.ReadInt64();
this.StructureInfosCount = reader.ReadInt16();
this.EnumInfosCount = reader.ReadInt16();
this.DataBlocksCount = reader.ReadInt16();
@ -113,6 +119,13 @@ namespace CodeWalker.GameFiles
{ }
//Strings = MetaTypes.GetStrings(this);
#if DEBUG
EncryptedStrings = reader.ReadBlockAt<MetaEncryptedStringsBlock>((ulong)EncryptedStringsPointer);
Analyzer = new ResourceAnalyzer(reader);
#endif
}
/// <summary>
@ -127,7 +140,7 @@ namespace CodeWalker.GameFiles
this.EnumInfosPointer = this.EnumInfos?.FilePosition ?? 0;
this.DataBlocksPointer = this.DataBlocks?.FilePosition ?? 0;
this.NamePointer = this.NameBlock?.FilePosition ?? 0;
this.UselessPointer = 0;
this.EncryptedStringsPointer = 0;
this.StructureInfosCount = (short)(this.StructureInfos?.Count ?? 0);
this.EnumInfosCount = (short)(this.EnumInfos?.Count ?? 0);
this.DataBlocksCount = (short)(this.DataBlocks?.Count ?? 0);
@ -135,7 +148,7 @@ namespace CodeWalker.GameFiles
// write structure data
writer.Write(this.Unknown_10h);
writer.Write(this.Unknown_14h);
writer.Write(this.HasUselessData);
writer.Write(this.HasEncryptedStrings);
writer.Write(this.Unknown_17h);
writer.Write(this.Unknown_18h);
writer.Write(this.RootBlockIndex);
@ -143,7 +156,7 @@ namespace CodeWalker.GameFiles
writer.Write(this.EnumInfosPointer);
writer.Write(this.DataBlocksPointer);
writer.Write(this.NamePointer);
writer.Write(this.UselessPointer);
writer.Write(this.EncryptedStringsPointer);
writer.Write(this.StructureInfosCount);
writer.Write(this.EnumInfosCount);
writer.Write(this.DataBlocksCount);
@ -584,7 +597,48 @@ namespace CodeWalker.GameFiles
}
[TC(typeof(EXP))] public class MetaEncryptedStringsBlock : ResourceSystemBlock
{
public override long BlockLength
{
get
{
return 4 + Count;// + PadCount;
}
}
public uint Count { get; set; }
public byte[] EncryptedData { get; set; }
//public uint PadCount { get; set; }
//public byte[] PadData { get; set; }
//public string[] TestStrings { get; set; }
public override void Read(ResourceDataReader reader, params object[] parameters)
{
Count = MetaTypes.SwapBytes(reader.ReadUInt32()); //okay. so this is big endian
EncryptedData = reader.ReadBytes((int)Count);
//PadCount = (uint)((8 - (reader.Position % 8)) % 8);//maybe next block just needs to be aligned instead?
//PadData = reader.ReadBytes((int)PadCount);
////none of these work :(
//var strs = new List<string>();
//foreach (var key in GTA5Keys.PC_NG_KEYS)
//{
// var decr = GTACrypto.DecryptNG(EncryptedData, key);
// strs.Add(Encoding.ASCII.GetString(decr));
//}
//TestStrings = strs.ToArray();
}
public override void Write(ResourceDataWriter writer, params object[] parameters)
{
throw new NotImplementedException();
}
}