private void ReadSPTR(int size, ref BinaryReader reader)
{
if (HexenFaked)
{
int numScripts = size / 8;
for (int i = 0; i < numScripts; i++)
{
short number = reader.ReadInt16();
ScriptType type = (ScriptType)reader.ReadByte();
int argc = reader.ReadByte();
int address = reader.ReadInt32();
AcsScript script = new AcsScript(number, type, argc, address);
Scripts[number] = script;
}
}
else
{
int numScripts = size / 12;
for (int i = 0; i < numScripts; i++)
{
short number = reader.ReadInt16();
ScriptType type = (ScriptType)reader.ReadInt16();
int address = reader.ReadInt32();
int argc = reader.ReadInt32();
AcsScript script = new AcsScript(number, type, argc, address);
Scripts[number] = script;
}
}
}
private void ReadSNAM(int size, ref BinaryReader reader)
{
string[] names = ReadStringTable(ref reader, false, false);
for (int i = 0; i < names.Length; i++)
{
AcsScript s = Scripts[-(i + 1)];
s.Name = names[i];
}
}
private void ReadAcs95(ref BinaryReader reader)
{
int numPointers = reader.ReadInt32();
for (int i = 0; i < numPointers; i++)
{
int number = reader.ReadInt32();
int pointer = reader.ReadInt32();
int argc = reader.ReadInt32();
int id = number % 1000;
int typeNum = number / 1000;
ScriptType type = (ScriptType)typeNum;
Console.WriteLine("Script " + id + " is of type " + type);
long pos = InputStream.Position;
AcsScript script = new AcsScript(number, type, argc, pointer);
InputStream.Seek(pointer, SeekOrigin.Begin);
int len = 0;
while (reader.ReadInt32() != (int)OpcodeEnum.Terminate)
{
len++;
}
InputStream.Seek(pointer, SeekOrigin.Begin);
script.Code = AcsInstruction.ReadCode(this, ref reader, len);
InputStream.Seek(pos, SeekOrigin.Begin);
Scripts[number] = script;
}
int stringCount = reader.ReadInt32();
for (int i = 0; i < stringCount; i++)
{
int pointer = reader.ReadInt32();
long pos = InputStream.Position;
InputStream.Seek(pointer, SeekOrigin.Begin);
StringTable.Add(ReadString());
InputStream.Seek(pos, SeekOrigin.Begin);
}
}
private int FindClosestPointer(int p)
{
const int def = Int32.MaxValue;
int r = def;
foreach (var pair in Scripts)
{
AcsScript script = pair.Value;
int ptr = script.Pointer;
if (p > ptr || p == ptr)
{
continue;
}
r = Math.Min(ptr, r);
}
for (int i = 0; i < FunctionList.Count; i++)
{
int ptr = FunctionList[i].Pointer;
if (p > ptr || p == ptr)
{
continue;
}
r = Math.Min(ptr, r);
}
if (r == def && DirOffset > p)
{
r = DirOffset;
}
if (r == def)
{
r = (int)InputStream.Length - 1;
}
Console.WriteLine($"Closest to {p} is {r}");
return(r);
}
private void ReadCode(ref BinaryReader reader)
{
foreach (var script in Scripts)
{
int num = script.Key;
AcsScript s = script.Value;
s.CodeSize = FindClosestPointer(s.Pointer) - s.Pointer;
InputStream.Seek(s.Pointer, SeekOrigin.Begin);
s.Code = AcsInstruction.ReadCode(this, ref reader, s.CodeSize);
}
foreach (var func in FunctionList)
{
func.CodeSize = FindClosestPointer(func.Pointer) - func.Pointer;
InputStream.Seek(func.Pointer, SeekOrigin.Begin);
func.Code = AcsInstruction.ReadCode(this, ref reader, func.CodeSize);
}
}
public void Disassemble(Stream outputStream)
{
OutputStream = outputStream;
AssemblyName assemblyName = Assembly.GetExecutingAssembly().GetName();
WriteLine("// Disassembled by " + assemblyName.Name + " version " + assemblyName.Version);
WriteLine("//");
WriteLine("// String Table:");
for (int i = 0; i < StringTable.Count; i++)
{
WriteLine($"// {i,4} " + StringTable[i]);
}
WriteLine();
if (Format == AcsFormat.Acs95)
{
WriteLine("#include \"common.acs\"");
}
else
{
WriteLine("#include \"zcommon.acs\"");
}
WriteLine();
foreach (var library in Libraries)
{
WriteLine($"#import \"{library}\"");
}
WriteLine();
WriteLine("// ================================================== MAP ARRAYS");
WriteLine();
if (ImportedMapArrays.Count > 0)
{
WriteLine($"/* Imported map arrays ({ImportedMapArrays.Count}:");
foreach (KeyValuePair <int, ImportedArray> pair in ImportedMapArrays)
{
int index = pair.Key;
ImportedArray array = pair.Value;
WriteLine($"/* imported - index {index:x4} */ int {array.Name}[{array.Size}];");
}
WriteLine("//*/");
}
foreach (var pair in MapArrays)
{
int index = pair.Key;
MapArray mapArray = pair.Value;
int[] array = mapArray.Values;
string name = (!String.IsNullOrEmpty(mapArray.Name) ? mapArray.Name : $"_a_{index:x4}_");
string type = (mapArray.IsString ? "str" : "int");
Write($"{type} {name}[{array.Length}] = " + "{");
for (int i = 0; i < array.Length; i++)
{
if (mapArray.IsString)
{
string s;
int sI = array[i];
if (sI < StringTable.Count)
{
s = StringTable[array[i]];
}
else
{
s = "(DeACC: Invalid string index " + sI + ")";
}
Write($"\"{s}\"");
}
else
{
Write(array[i].ToString());
}
if (i < array.Length - 1)
{
Write(", ");
}
}
WriteLine("};");
}
WriteLine();
WriteLine("// ================================================== MAP VARIABLES");
WriteLine();
if (ImportedMapVariables.Count > 0)
{
WriteLine($"/* Imported map variables ({ImportedMapVariables.Count}:");
foreach (KeyValuePair <int, string> pair in ImportedMapVariables)
{
int index = pair.Key;
string name = pair.Value;
WriteLine($"int {name}; // imported - index {index:x4}");
}
WriteLine("//*/");
}
foreach (var pair in MapVariables)
{
int index = pair.Key;
MapVariable var = pair.Value;
string type = (var.IsString ? "str" : "int");
WriteLine($"{type} {var.Name} = {var.Value};");
}
WriteLine();
WriteLine("// ================================================== FUNCTIONS");
WriteLine();
foreach (KeyValuePair <string, AcsFunction> pair in FunctionMap)
{
string name = pair.Key;
AcsFunction function = pair.Value;
string returnType = (function.Returns ? "int" : "void");
string args;
if (function.NumberOfArguments > 0)
{
args = "";
for (int i = 0; i < function.NumberOfArguments; i++)
{
args += $"int _p_{ParameterCounter:x4}_";
ParameterCounter++;
if (i < function.NumberOfArguments - 1)
{
args += ", ";
}
}
}
else
{
args = "void";
}
WriteLine($"// Pointer: {function.Pointer}; Size = {function.CodeSize}");
WriteLine($"function {returnType} {name} ({args})");
WriteLine("{");
WriteCode(function.Code);
WriteLine("}");
WriteLine();
}
WriteLine();
WriteLine("// ================================================== SCRIPTS");
WriteLine();
foreach (KeyValuePair <int, AcsScript> pair in Scripts)
{
int number = pair.Key;
AcsScript script = pair.Value;
string args = "(void)";
string type = "";
string flags = "";
if (script.NumberOfArguments > 0)
{
args = "(";
for (int i = 0; i < script.NumberOfArguments; i++)
{
args += $"int _p_{ParameterCounter:x4}_";
ParameterCounter++;
if (i < script.NumberOfArguments - 1)
{
args += ", ";
}
}
args += ")";
}
else if (script.NumberOfArguments == 0 && script.Type != ScriptType.Closed)
{
args = "";
}
if (script.Type != ScriptType.Closed)
{
type = script.Type.ToString().ToUpper();
}
if ((script.Flags & (int)ScriptFlags.Net) != 0)
{
flags += "NET ";
}
if ((script.Flags & (int)ScriptFlags.Clientside) != 0)
{
flags += "CLIENTSIDE ";
}
string argsSpace = (String.IsNullOrEmpty(args) ? "" : " ");
string typeSpace = (script.Type != ScriptType.Closed ? " " : "");
string name = (String.IsNullOrEmpty(script.Name) ? number.ToString() : $"\"{script.Name}\"");
WriteLine($"// Pointer: {script.Pointer}; Size = {script.CodeSize}");
WriteLine($"Script {name}{argsSpace}{args}{typeSpace}{type} {flags}");
WriteLine("{");
WriteCode(script.Code);
WriteLine("}");
WriteLine();
}
}