/// <summary>
/// Creates a byte array to be read by the game from a <see cref="HintFile"/>.
/// </summary>
public byte[] ToArray()
{
// Make native entries.
var entries = new Entry[Entries.Length];
for (int x = 0; x < entries.Length; x++)
{
entries[x] = new Entry(Entries[x]);
}
// Write strings from managed entries to a byte region.
var stringData = new List <byte>(entries.Length * LongStringLength);
byte[] bytes;
for (int x = 0; x < entries.Length; x++)
{
entries[x].Offset = stringData.Count;
bytes = _encoder.GetBytes(Entries[x].Text);
stringData.AddRange(bytes);
stringData.Add(0);
}
var nullEntry = Entry.Null;
var nullEntryBytes = Struct.GetBytes(ref nullEntry);
var stringDataBytes = stringData.ToArray();
var entryData = StructArray.GetBytes(entries);
var allData = new byte[entryData.Length + nullEntryBytes.Length + stringData.Count];
Buffer.BlockCopy(entryData, 0, allData, 0, entryData.Length);
Buffer.BlockCopy(nullEntryBytes, 0, allData, entryData.Length, nullEntryBytes.Length);
Buffer.BlockCopy(stringDataBytes, 0, allData, entryData.Length + nullEntryBytes.Length, stringDataBytes.Length);
return(allData);
}
private List <PatternScanResult> GetPointerPatterns(int targetOffset)
{
// Now find all pointers to file name pattern.
byte[] offsetBytes = Struct.GetBytes(targetOffset);
var scanPattern = new CompiledScanPattern(Utilities.Utilities.BytesToScanPattern(offsetBytes));
return(Utilities.Utilities.FindAllPatterns(_scanner, scanPattern));
}
/// <summary>
/// Converts the current configuration's physics profiles to bytes.
/// </summary>
/// <returns></returns>
public byte[] ToBytes()
{
var values = Enum.GetValues(typeof(AllCharacters));
var bytes = new List <byte>(values.Length * Struct.GetSize <AdventurePhysics>(true));
foreach (AllCharacters character in (AllCharacters[])values)
{
var physics = Physics[character];
bytes.AddRange(Struct.GetBytes(ref physics, true));
}
return(bytes.ToArray());
}
public unsafe void IsBlittable()
{
// Requires C# 8. Please ignore if Intellisense complains. Will compile and run.
double original = 0.7286906838f;
double maximum = 5f;
var compressed = new CompressedNumber <double, Double, ushort, UShort>(original, maximum);
var bytes = Struct.GetBytes(compressed);
Struct.FromArray(bytes, out CompressedNumber <double, Double, ushort, UShort> fromBytes, 0);
var decompressed = fromBytes.GetValue(maximum);
Assert.Equal(original, decompressed, 5);
}
/// <inheritdoc />
public void Write <T>(IntPtr memoryAddress, ref T item, bool marshal)
{
byte[] bytes = Struct.GetBytes(ref item, marshal);
fixed(byte *bytePtr = bytes)
{
bool succeeded = Kernel32.Kernel32.WriteProcessMemory(_processHandle, memoryAddress, (IntPtr)bytePtr, (UIntPtr)bytes.Length, out _);
if (!succeeded)
{
throw new MemoryException($"WriteProcessMemory failed to write {bytes.Length} bytes of memory to {memoryAddress.ToString("X")}");
}
}
}
public static void Write <T>(this Stream stream, ref T structure) where T : unmanaged
{
#if FEATURE_NATIVE_SPAN
if (sizeof(T) < MaxStackLimit)
{
Span <byte> stack = stackalloc byte[sizeof(T)];
MemoryMarshal.Write(stack, ref structure);
stream.Write(stack);
}
else
{
stream.Write(Struct.GetBytes(structure));
}
#else
stream.Write(Struct.GetBytes(structure));
#endif
}
public static void Write <T>(this Stream stream, ref T structure, bool marshalStructure = true)
{
#if FEATURE_NATIVE_SPAN
var size = Struct.GetSize <T>(true);
if (size < MaxStackLimit)
{
Span <byte> stack = stackalloc byte[size];
Struct.GetBytes(ref structure, marshalStructure, stack);
stream.Write(stack);
}
else
{
stream.Write(Struct.GetBytes(structure, marshalStructure));
}
#else
stream.Write(Struct.GetBytes(structure, marshalStructure));
#endif
}
public static byte[] GetFrameBytes(Tile[] tiles)
{
var bytes = new List <byte> {
(byte)tiles.Length
};
foreach (Tile t in tiles)
{
bytes.Add((byte)t.Id);
bytes.Add((byte)t.Frames.Count());
foreach (var f in t.Frames)
{
bytes.AddRange(Struct.GetBytes(f));
}
}
return(bytes.ToArray());
}
public void Write <T>(T structure, bool marshalStructure = true) => Write(Struct.GetBytes(structure, marshalStructure));
public void WriteBigEndianPrimitive(ushort structure)
{
structure = Endian.Reverse(structure);
Write(Struct.GetBytes(structure));
}
/// <summary>
/// Adds a new item onto the circular buffer.
/// </summary>
/// <param name="item">The item to add onto the buffer.</param>
/// <param name="marshalElement">The element to be marshalled.</param>
/// <returns>Pointer to the recently added item to the buffer.</returns>
public IntPtr Add <TStructure>(ref TStructure item, bool marshalElement = false)
{
return(Add(Struct.GetBytes(ref item, marshalElement)));
}
public void WriteBigEndianStruct <T>(T structure) where T : unmanaged, IEndianReversible
{
structure.SwapEndian();
Write(Struct.GetBytes(structure));
}
public void Write <T>(T structure) where T : unmanaged => Write(Struct.GetBytes(structure));
/// <summary> /// Appends a managed/marshalled structure onto the given <see cref="MemoryStream"/> and advances the position. /// </summary> public void Append <T>(T structure, bool marshalStructure = true) => Append(Struct.GetBytes(structure, marshalStructure));
/// <summary> /// Appends an unmanaged structure onto the <see cref="MemoryStream"/> and advances the position. /// </summary> public void Append <T>(T structure) where T : unmanaged => Append(Struct.GetBytes(structure));
public void WriteBigEndianPrimitive <T>(T structure) where T : unmanaged
{
Endian.Reverse(ref structure);
Write(Struct.GetBytes(structure));
}
public byte[] Serialize <TStruct>(ref TStruct item)
{
byte[] bytes = Struct.GetBytes(ref item, MarshalValues);
return(bytes);
}
/// <summary>
/// Converts a <see cref="MotionPackage"/> into a native .MTP file.
/// </summary>
public byte[] ToMtp()
{
var bytes = new List <byte>(1000000);
var header = Header;
header.SwapEndian();
bytes.AddRange(Struct.GetBytes(ref header));
// Write entries
var dummyAnimationEntry = new AnimationEntry();
var dummyAnimationEntryBytes = Struct.GetBytes(ref dummyAnimationEntry);
int[] entryOffsets = Entries.Select(x => AddRange(bytes, dummyAnimationEntryBytes)).ToArray();
// Write file names.
int[] fileNameOffsets = Entries.Select(x =>
{
int firstRef = AddRange(bytes, String.GetNullTerminatedBytes(String.Win1252Encoder, x.FileName));
// Must pad to next group of 4-bytes, otherwise game will fail to parse
while (bytes.Count % 4 > 0)
{
bytes.Add(0x00);
}
return(firstRef);
}).ToArray();
// Write file data.
int[] fileDataOffsets = Entries.Select(x => AddRange(bytes, x.FileData)).ToArray();
// Write extra properties.
int[] filePropertyOffsets = Entries.Select(x =>
{
if (x.Tuples != null)
{
// Temporarily swap out the endian of all tuples before writing to array, then swap back.
for (int i = 0; i < x.Tuples.Length; i++)
{
x.Tuples[i].SwapEndian();
}
var result = AddRange(bytes, StructArray.GetBytes(x.Tuples));
for (int i = 0; i < x.Tuples.Length; i++)
{
x.Tuples[i].SwapEndian();
}
return(result);
}
return(0);
}).ToArray();
// Fix Offsets
var byteArray = bytes.ToArray();
fixed(byte *byteArrayPtr = byteArray)
{
for (int x = 0; x < Entries.Length; x++)
{
ref var entry = ref Unsafe.AsRef <AnimationEntry>(byteArrayPtr + entryOffsets[x]);
Endian.Reverse(ref fileNameOffsets[x]);
Endian.Reverse(ref fileDataOffsets[x]);
Endian.Reverse(ref filePropertyOffsets[x]);
entry.FileNamePtr = fileNameOffsets[x];
entry.FileDataPtr = fileDataOffsets[x];
entry.PropertyTuplePtr = filePropertyOffsets[x];
}
}
