internal override void UnserializeChunk(UndertaleReader reader)
{
base.UnserializeChunk(reader);
// padding
while (reader.Position % 0x80 != 0)
{
if (reader.ReadByte() != 0)
{
throw new IOException("Padding error in STRG");
}
}
}
internal override void UnserializeChunk(UndertaleReader reader)
{
base.UnserializeChunk(reader);
// texture blobs
foreach (UndertaleEmbeddedTexture obj in List)
{
obj.UnserializeBlob(reader);
}
// padding
reader.Position += (4 - (reader.Position % 4)) % 4 - 1;
if (reader.ReadByte() != 0)
{
throw new IOException("Padding error!");
}
}
internal override void UnserializeChunk(UndertaleReader reader)
{
base.UnserializeChunk(reader);
// texture blobs
foreach (UndertaleEmbeddedTexture obj in List)
{
obj.UnserializeBlob(reader);
obj.Name = new UndertaleString("Texture " + List.IndexOf(obj).ToString());
}
// padding
while (reader.Position % 4 != 0)
{
if (reader.ReadByte() != 0)
{
throw new IOException("Padding error!");
}
}
}
internal override void UnserializeChunk(UndertaleReader reader)
{
if (reader.undertaleData.GeneralInfo.Major < 2)
{
throw new InvalidOperationException();
}
// Padding
reader.Position += (4 - (reader.Position % 4)) % 4 - 1;
if (reader.ReadByte() != 0)
{
throw new IOException("Padding error!");
}
if (reader.ReadUInt32() != 1)
{
throw new IOException("Expected TAGS version 1");
}
base.UnserializeChunk(reader);
}
internal override void UnserializeChunk(UndertaleReader reader)
{
uint count = reader.ReadUInt32();
for (int i = 0; i < count; i++)
{
Align &= (reader.ReadUInt32() % Alignment == 0);
}
for (int i = 0; i < count; i++)
{
if (Align)
{
while (reader.Position % Alignment != 0)
{
if (reader.ReadByte() != 0)
{
throw new IOException("AlignUpdatedListChunk padding error");
}
}
}
List.Add(reader.ReadUndertaleObject <T>());
}
}
public void Unserialize(UndertaleReader reader)
{
DisableDebugger = reader.ReadByte() != 0 ? true : false;
BytecodeVersion = reader.ReadByte();
Unknown = reader.ReadUInt16();
Filename = reader.ReadUndertaleString();
Config = reader.ReadUndertaleString();
LastObj = reader.ReadUInt32();
LastTile = reader.ReadUInt32();
GameID = reader.ReadUInt32();
byte[] GuidData = reader.ReadBytes(16);
DirectPlayGuid = new Guid(GuidData);
Name = reader.ReadUndertaleString();
Major = reader.ReadUInt32();
Minor = reader.ReadUInt32();
Release = reader.ReadUInt32();
Build = reader.ReadUInt32();
DefaultWindowWidth = reader.ReadUInt32();
DefaultWindowHeight = reader.ReadUInt32();
Info = (InfoFlags)reader.ReadUInt32();
LicenseMD5 = reader.ReadBytes(16);
LicenseCRC32 = reader.ReadUInt32();
Timestamp = reader.ReadUInt64();
DisplayName = reader.ReadUndertaleString();
ActiveTargets = reader.ReadUInt64();
FunctionClassifications = (FunctionClassification)reader.ReadUInt64();
SteamAppID = reader.ReadInt32();
DebuggerPort = reader.ReadUInt32();
RoomOrder = reader.ReadUndertaleObject <UndertaleSimpleResourcesList <UndertaleRoom, UndertaleChunkROOM> >();
if (Major >= 2)
{
// Begin parsing random UID, and verify it based on original algorithm
GMS2RandomUID = new List <long>();
Random random = new Random((int)(Timestamp & 4294967295L));
long firstRandom = (long)random.Next() << 32 | (long)random.Next();
if (reader.ReadInt64() != firstRandom)
{
//throw new IOException("Unexpected random UID");
}
long infoNumber = (long)(Timestamp - 1000);
ulong temp = (ulong)infoNumber;
temp = ((temp << 56 & 18374686479671623680UL) | (temp >> 8 & 71776119061217280UL) |
(temp << 32 & 280375465082880UL) | (temp >> 16 & 1095216660480UL) | (temp << 8 & 4278190080UL) |
(temp >> 24 & 16711680UL) | (temp >> 16 & 65280UL) | (temp >> 32 & 255UL));
infoNumber = (long)temp;
infoNumber ^= firstRandom;
infoNumber = ~infoNumber;
infoNumber ^= ((long)GameID << 32 | (long)GameID);
infoNumber ^= ((long)(DefaultWindowWidth + (int)Info) << 48 |
(long)(DefaultWindowHeight + (int)Info) << 32 |
(long)(DefaultWindowHeight + (int)Info) << 16 |
(long)(DefaultWindowWidth + (int)Info));
infoNumber ^= BytecodeVersion;
int infoLocation = (int)(Math.Abs((int)(Timestamp & 65535L) / 7 + (GameID - DefaultWindowWidth) + RoomOrder.Count) % 4);
for (int i = 0; i < 4; i++)
{
if (i == infoLocation)
{
long curr = reader.ReadInt64();
curr = infoNumber;
GMS2RandomUID.Add(curr);
}
else
{
int first = reader.ReadInt32();
int second = reader.ReadInt32();
first = random.Next();
second = random.Next();
GMS2RandomUID.Add(((long)first << 32) | (long)second);
}
}
GMS2FPS = reader.ReadSingle();
GMS2AllowStatistics = reader.ReadBoolean();
GMS2GameGUID = reader.ReadBytes(16);
}
reader.undertaleData.UnsupportedBytecodeVersion = BytecodeVersion < 14 || BytecodeVersion > 17;
reader.Bytecode14OrLower = BytecodeVersion <= 14;
}
public static UndertaleChunk Unserialize(UndertaleReader reader)
{
string name = "(unknown)";
try
{
name = reader.ReadChars(4);
uint length = reader.ReadUInt32();
// TODO: I can't think of a cleaner way to do this...
Type type = Type.GetType(typeof(UndertaleChunk).FullName + name);
if (type == null)
{
throw new IOException("Unknown chunk " + name + "!!!");
/*Debug.WriteLine("Unknown chunk " + name + "!!!");
* reader.Position = reader.Position + length;
* return null;*/
}
UndertaleChunk chunk = (UndertaleChunk)Activator.CreateInstance(type);
Debug.Assert(chunk.Name == name);
chunk.Length = length;
Debug.WriteLine("Reading chunk " + chunk.Name);
var lenReader = reader.EnsureLengthFromHere(chunk.Length);
chunk.UnserializeChunk(reader);
if (name != "FORM" && name != reader.LastChunkName)
{
UndertaleGeneralInfo generalInfo = name == "GEN8" ? ((UndertaleChunkGEN8)chunk).Object : reader.undertaleData.GeneralInfo;
// These versions introduced new padding
// all chunks now start on 16-byte boundaries
// (but the padding is included with length of previous chunk)
if (generalInfo.Major >= 2 || (generalInfo.Major == 1 && generalInfo.Build >= 9999))
{
int e = reader.undertaleData.PaddingAlignException;
uint pad = (e == -1 ? 16 : (uint)e);
while (reader.Position % pad != 0)
{
if (reader.ReadByte() != 0)
{
reader.Position -= 1;
if (reader.Position % 4 == 0)
{
reader.undertaleData.PaddingAlignException = 4;
}
else
{
reader.undertaleData.PaddingAlignException = 1;
}
break;
}
}
}
}
lenReader.ToHere();
return(chunk);
}
catch (UndertaleSerializationException e)
{
throw new UndertaleSerializationException(e.Message + " in chunk " + name, e);
}
catch (Exception e)
{
throw new UndertaleSerializationException(e.Message + "\nat " + reader.Position.ToString("X8") + " while reading chunk " + name, e);
}
}
public void Unserialize(UndertaleReader reader)
{
uint instructionStartAddress = reader.Position;
reader.ReadByte(); reader.ReadByte(); reader.ReadByte(); // skip for now, we'll read them later
Kind = (Opcode)reader.ReadByte();
reader.Position = instructionStartAddress;
switch (GetInstructionType(Kind))
{
case InstructionType.SingleTypeInstruction:
case InstructionType.DoubleTypeInstruction:
case InstructionType.ComparisonInstruction:
{
DupExtra = reader.ReadByte();
if (DupExtra != 0 && Kind != Opcode.Dup)
{
throw new IOException("Invalid padding in " + Kind.ToString().ToUpper());
}
ComparisonKind = (ComparisonType)reader.ReadByte();
if ((Kind == Opcode.Cmp) != ((byte)ComparisonKind != 0))
{
throw new IOException("Got unexpected comparison type in " + Kind.ToString().ToUpper() + " (should be only in CMP)");
}
byte TypePair = reader.ReadByte();
Type1 = (DataType)(TypePair & 0xf);
Type2 = (DataType)(TypePair >> 4);
if (GetInstructionType(Kind) == InstructionType.SingleTypeInstruction && Type2 != (byte)0)
{
throw new IOException("Second type should be 0 in " + Kind.ToString().ToUpper());
}
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
}
break;
case InstructionType.GotoInstruction:
{
uint v = reader.ReadUInt24();
// TODO: This is SO WRONG that I don't even believe it. Is that Int24 or Int23?!?!
uint r = v & 0x003FFFFF;
if ((v & 0x00C00000) != 0)
{
r |= 0xFFC00000;
}
JumpOffset = (int)r;
JumpOffsetIsWeird = (v & 0x00800000) != 0;
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
}
break;
case InstructionType.PopInstruction:
{
TypeInst = (InstanceType)reader.ReadInt16();
byte TypePair = reader.ReadByte();
Type1 = (DataType)(TypePair & 0xf);
Type2 = (DataType)(TypePair >> 4);
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
Destination = reader.ReadUndertaleObject <Reference <UndertaleVariable> >();
}
break;
case InstructionType.PushInstruction:
{
short val = reader.ReadInt16();
Type1 = (DataType)reader.ReadByte();
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
switch (Type1)
{
case DataType.Double:
Value = reader.ReadDouble();
break;
case DataType.Float:
Value = reader.ReadSingle();
break;
case DataType.Int32:
Value = reader.ReadInt32();
break;
case DataType.Int64:
Value = reader.ReadInt64();
break;
case DataType.Boolean:
Value = (reader.ReadUInt32() == 1); // TODO: double check
break;
case DataType.Variable:
TypeInst = (InstanceType)val;
Value = reader.ReadUndertaleObject <Reference <UndertaleVariable> >();
break;
case DataType.String:
UndertaleResourceById <UndertaleString> str = new UndertaleResourceById <UndertaleString>("STRG");
str.Unserialize(reader, reader.ReadInt32());
Value = str;
break;
case DataType.Int16:
Value = val;
break;
}
}
break;
case InstructionType.CallInstruction:
{
ArgumentsCount = reader.ReadUInt16();
Type1 = (DataType)reader.ReadByte();
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
Function = reader.ReadUndertaleObject <Reference <UndertaleFunction> >();
}
break;
case InstructionType.BreakInstruction:
{
Value = reader.ReadInt16();
Type1 = (DataType)reader.ReadByte();
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
}
break;
default:
throw new IOException("Unknown opcode " + Kind.ToString().ToUpper());
}
}
public void Unserialize(UndertaleReader reader)
{
NextOccurrenceOffset = reader.ReadInt24();
Type = (VariableType)reader.ReadByte();
}
public void Unserialize(UndertaleReader reader)
{
uint instructionStartAddress = reader.Position;
reader.ReadByte(); reader.ReadByte(); reader.ReadByte(); // skip for now, we'll read them later
Kind = (Opcode)reader.ReadByte();
reader.Position = instructionStartAddress;
switch (GetInstructionType(Kind))
{
case InstructionType.SingleTypeInstruction:
case InstructionType.DoubleTypeInstruction:
case InstructionType.ComparisonInstruction:
{
DupExtra = reader.ReadByte();
if (DupExtra != 0 && Kind != Opcode.Dup)
{
throw new IOException("Invalid padding in " + Kind.ToString().ToUpper());
}
ComparisonKind = (ComparisonType)reader.ReadByte();
if ((Kind == Opcode.Cmp) != ((byte)ComparisonKind != 0))
{
throw new IOException("Got unexpected comparison type in " + Kind.ToString().ToUpper() + " (should be only in CMP)");
}
byte TypePair = reader.ReadByte();
Type1 = (DataType)(TypePair & 0xf);
Type2 = (DataType)(TypePair >> 4);
if (GetInstructionType(Kind) == InstructionType.SingleTypeInstruction && Type2 != (byte)0)
{
throw new IOException("Second type should be 0 in " + Kind.ToString().ToUpper());
}
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
}
break;
case InstructionType.GotoInstruction:
{
uint v = reader.ReadUInt24();
JumpOffsetPopenvExitMagic = (v & 0x800000) != 0;
// The rest is int23 signed value, so make sure
uint r = v & 0x003FFFFF;
if (JumpOffsetPopenvExitMagic && v != 0xF00000)
{
throw new Exception("Popenv magic doesn't work, call issue #90 again");
}
else
{
if ((v & 0x00C00000) != 0)
{
r |= 0xFFC00000;
}
JumpOffset = (int)r;
}
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
}
break;
case InstructionType.PopInstruction:
{
TypeInst = (InstanceType)reader.ReadInt16();
byte TypePair = reader.ReadByte();
Type1 = (DataType)(TypePair & 0xf);
Type2 = (DataType)(TypePair >> 4);
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
if (Type1 == DataType.Int16)
{
// Special scenario - the swap instruction
// TODO: Figure out the proper syntax, see #129
SwapExtra = (ushort)TypeInst;
TypeInst = 0;
}
else
{
Destination = reader.ReadUndertaleObject <Reference <UndertaleVariable> >();
}
}
break;
case InstructionType.PushInstruction:
{
short val = reader.ReadInt16();
Type1 = (DataType)reader.ReadByte();
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
switch (Type1)
{
case DataType.Double:
Value = reader.ReadDouble();
break;
case DataType.Float:
Value = reader.ReadSingle();
break;
case DataType.Int32:
Value = reader.ReadInt32();
break;
case DataType.Int64:
Value = reader.ReadInt64();
break;
case DataType.Boolean:
Value = (reader.ReadUInt32() == 1); // TODO: double check
break;
case DataType.Variable:
TypeInst = (InstanceType)val;
Value = reader.ReadUndertaleObject <Reference <UndertaleVariable> >();
break;
case DataType.String:
Value = reader.ReadUndertaleObject <UndertaleResourceById <UndertaleString, UndertaleChunkSTRG> >();
break;
case DataType.Int16:
Value = val;
break;
}
}
break;
case InstructionType.CallInstruction:
{
ArgumentsCount = reader.ReadUInt16();
Type1 = (DataType)reader.ReadByte();
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
Function = reader.ReadUndertaleObject <Reference <UndertaleFunction> >();
}
break;
case InstructionType.BreakInstruction:
{
Value = reader.ReadInt16();
Type1 = (DataType)reader.ReadByte();
if (reader.ReadByte() != (byte)Kind)
{
throw new Exception("really shouldn't happen");
}
}
break;
default:
throw new IOException("Unknown opcode " + Kind.ToString().ToUpper());
}
}