/// <summary>
/// Loads exports from a Black Ops II Script
/// </summary>
public override void LoadExports()
{
Reader.BaseStream.Position = Header.ExportTableOffset;
Exports = new List <ScriptExport>(Header.ExportsCount);
for (int i = 0; i < Header.ExportsCount; i++)
{
var export = new ScriptExport()
{
Checksum = Reader.ReadUInt32(),
ByteCodeOffset = Reader.ReadInt32(),
Name = Reader.PeekNullTerminatedString(Reader.ReadUInt16()),
// Use the file name as namespace like Bo3 does if none is present
Namespace = Path.GetFileNameWithoutExtension(FilePath.Replace("/", "\\")),
ParameterCount = Reader.ReadByte(),
Flags = (ScriptExportFlags)Reader.ReadByte()
};
var crc32 = new CRC32();
// Store our current position as we'll need to return back here
var offset = Reader.BaseStream.Position;
Reader.BaseStream.Position = export.ByteCodeOffset;
var byteCodeSize = 0;
// From kokole/Nukem's, brute force via CRC32
// This will only work on files dumped from a fast file
while (true)
{
crc32.Update(Reader.ReadByte());
// If we hit, we're done
if (crc32.Value == export.Checksum)
{
break;
}
byteCodeSize += 1;
}
// We can now use this - the start as our size
export.ByteCodeSize = byteCodeSize;
LoadFunction(export);
// Go back to the table
Reader.BaseStream.Position = offset;
Exports.Add(export);
}
}
public void LoadFunction(ScriptExport function)
{
var offset = function.ByteCodeOffset;
var endOffset = function.ByteCodeOffset + function.ByteCodeSize;
while (offset <= endOffset)
{
var operation = LoadOperation(offset);
if (operation == null)
{
//function.Operations.Add(new ScriptOp()
//{
// Metadata = new ScriptOpMetadata(ScriptOpCode.Invalid, ScriptOpType.None, ScriptOperandType.None),
// OpCodeOffset = offset
//});
break;
}
offset += operation.OpCodeSize;
function.Operations.Add(operation);
}
}
/// <summary>
/// Loads exports from a Black Ops III Script
/// </summary>
public override void LoadExports()
{
Reader.BaseStream.Position = Header.ExportTableOffset;
Exports = new List <ScriptExport>(Header.ExportsCount);
var byteCodeEnd = Header.ByteCodeOffset + Header.ByteCodeSize;
for (int i = 0; i < Header.ExportsCount; i++)
{
var export = new ScriptExport()
{
Checksum = Reader.ReadUInt32(),
ByteCodeOffset = Reader.ReadInt32(),
Name = GetHashValue(Reader.ReadUInt32(), "function_"),
Namespace = GetHashValue(Reader.ReadUInt32(), "namespace_"),
ParameterCount = Reader.ReadByte(),
Flags = (ScriptExportFlags)Reader.ReadByte()
};
Reader.BaseStream.Position += 2;
var crc32 = new CRC32();
// Store our current position as we'll need to return back here
// (+ 2 to skip padding)
var offset = Reader.BaseStream.Position + 2;
Reader.BaseStream.Position = export.ByteCodeOffset;
var byteCodeSize = 0;
// From kokole/Nukem's, brute force via CRC32
// This will only work on files dumped from a fast file
while (true)
{
crc32.Update(Reader.ReadByte());
// If we hit, we're done
if (crc32.Value == export.Checksum)
{
break;
}
byteCodeSize += 1;
}
// We can now use this - the start as our size
export.ByteCodeSize = byteCodeSize;
LoadFunction(export);
// Go back to the table
Reader.BaseStream.Position = offset;
Exports.Add(export);
}
for (int i = 0; i < Header.ExportsCount; i++)
{
Exports[i].ByteCodeSize = (i == Header.ExportsCount - 1) ? byteCodeEnd - Exports[i].ByteCodeOffset : Exports[i + 1].ByteCodeOffset - Exports[i].ByteCodeOffset;
Reader.BaseStream.Position = Exports[i].ByteCodeOffset;
LoadFunction(Exports[i]);
}
}
