/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
private static string DecompileCommand(byte[] data)
{
MeleeCMDAction act = ActionCommon.GetMeleeCMDAction((byte)(data[0] >> 2));
string o = act.Name + "(";
if (act != null)
{
o += act.Decompile(data);
}
else
{
for (int i = 0; i < data.Length; i++)
{
if (i == 0)
{
o += "0x" + (data[i] & 0x3).ToString("x");
}
else
{
o += ",0x" + data[i].ToString("x");
}
}
}
o += ");";
return(o);
}
private static byte[] CompileCommand(string name, string[] parameters)
{
if (name.Equals(""))
{
return(new byte[0]);
}
MeleeCMDAction action = ActionCommon.GetMeleeCMDAction(name);
byte[] data = new byte[] { (byte)(action.Command << 2), 0, 0, 0 };
if (action != null)
{
data = action.Compile(parameters);
if (data == null)
{
//ErrorCode = CompileError.ParameterCount;
return(null);
}
}
return(data);
}
/// <summary>
///
/// </summary>
/// <param name="output"></param>
/// <param name="name"></param>
/// <param name="datas"></param>
/// <param name="structToFunctionName"></param>
private void DecompileGroup(StringBuilder output, string name, HSDStruct datas)
{
if (structToFunctionName.ContainsKey(datas))
{
return;
}
structToFunctionName.Add(datas, name);
output.AppendLine(name);
output.AppendLine("{");
using (BinaryReaderExt r = new BinaryReaderExt(new MemoryStream(datas.GetData())))
{
byte flag = (byte)(r.ReadByte() >> 2);
var cmd = ActionCommon.GetMeleeCMDAction(flag);
while (flag != 0)
{
r.BaseStream.Position -= 1;
var size = cmd.ByteSize;
var command = r.GetSection(r.Position, size);
r.Skip((uint)size);
if (flag == 5 || flag == 7) //goto
{
var re = datas.GetReference <HSDAccessor>((int)r.BaseStream.Position - 4);
if (re != null)
{
if (!tempStructToName.ContainsKey(re._s))
{
if (structToFunctionName.ContainsKey(re._s))
{
tempStructToName.Add(re._s, structToFunctionName[re._s]);
}
else
{
tempStructToName.Add(re._s, name + "_" + ((int)r.BaseStream.Position - 4).ToString("X4"));
}
}
var funcname = tempStructToName[re._s];
output.AppendLine("\t" + (flag == 5 ? "Goto" : "Subroutine") + "(" + funcname + ");");
}
}
else
{
output.AppendLine("\t" + DecompileCommand(command));
}
if (r.BaseStream.Position >= r.BaseStream.Length)
{
break;
}
flag = (byte)(r.ReadByte() >> 2);
cmd = ActionCommon.GetMeleeCMDAction(flag);
}
}
output.AppendLine("}");
foreach (var re in datas.References)
{
DecompileGroup(output, name + "_" + re.Key.ToString("X4"), re.Value);
}
}
/// <summary>
/// Compiles script into subaction byte code
/// </summary>
public static void Compile(string script)
{
if (scriptToBinary.ContainsKey(script) || scriptToReference.ContainsKey(script))
{
return;
}
HSDStruct main = null;
var stream = Regex.Replace(script, @"\s+", string.Empty);
if (script.StartsWith("ref:"))
{
var name = stream.Split(':')[1];
scriptToReference.Add(script, name);
return;
}
var functions = Regex.Matches(stream, @"([^\{])*\{([^\}]*)\}");
foreach (Match g in functions)
{
var name = Regex.Match(g.Value, @".+?(?={)").Value;
var code = Regex.Match(g.Value, @"(?<=\{).+?(?=\})").Value.Split(';');
if (nameToFunction.ContainsKey(name))
{
continue;
}
HSDStruct s = new HSDStruct();
nameToFunction.Add(name, s);
structToOffsetToFunction.Add(s, new Dictionary <int, string>());
if (main == null)
{
main = s;
}
List <byte> output = new List <byte>();
bool returned = false;
foreach (var c in code)
{
var cname = Regex.Match(c, @".+?(?=\()").Value;
var cparameters = Regex.Match(c, @"(?<=\().+?(?=\))").Value.Split(',');
if (cname == "Return")
{
returned = true;
}
byte flag = ActionCommon.GetMeleeCMDAction(cname).Command;
if (flag == 0x5 || flag == 0x7) //goto and subroutine
{
structToOffsetToFunction[s].Add(output.Count + 4, cparameters[0]);
output.AddRange(new byte[] { (byte)(flag << 2), 0, 0, 0, 0, 0, 0, 0 });
}
else
{
output.AddRange(CompileCommand(cname, cparameters));
}
// padd
if (output.Count % 4 != 0)
{
output.AddRange(new byte[4 - (output.Count % 4)]);
}
}
if (true)
{
output.Add(0);
if (output.Count % 4 != 0)
{
output.AddRange(new byte[4 - (output.Count % 4)]);
}
}
s.SetData(output.ToArray());
}
if (main == null)
{
main = new HSDStruct(4);
}
scriptToBinary.Add(script, main);
}
