public static int AddNewFile(string filename)
{
byte[] buffer;
using (BinaryReader data = new BinaryReader(File.Open(filename, FileMode.Open)))
{
int len = (int)data.BaseStream.Length;
buffer = new byte[len];
data.Read(buffer, 0, len);
}
int index = RomUtils.AppendFile(buffer);
return(RomData.MMFileList[index].Addr);
}
/// <summary>
/// Applies the given filename patch to the in-memory RomData
/// </summary>
/// <param name="filename"></param>
/// <returns>SHA256 hash of the patch.</returns>
public static byte[] ApplyPatch(string filename)
{
var hashAlg = new SHA256Managed();
using (var filestream = File.Open(filename, FileMode.Open))
using (var cryptoStream = new CryptoStream(filestream, hashAlg, CryptoStreamMode.Read))
using (var decompressStream = new GZipStream(cryptoStream, CompressionMode.Decompress))
using (var memoryStream = new MemoryStream())
{
decompressStream.CopyTo(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
using (var reader = new BinaryReader(memoryStream))
{
var magic = ReadWriteUtils.ReadU32(reader);
var version = ReadWriteUtils.ReadU32(reader);
// Make sure this is a patch file by checking the magic value
if (magic != PatchUtil.PATCH_MAGIC)
{
throw new PatchMagicException(magic);
}
// Check that this patch version is supported
if (version != (uint)PatchUtil.PATCH_VERSION)
{
throw new PatchVersionException(PatchUtil.PATCH_VERSION, (PatchVersion)version);
}
while (reader.BaseStream.Position != reader.BaseStream.Length)
{
var fileIndex = ReadWriteUtils.ReadS32(reader);
var fileAddr = ReadWriteUtils.ReadS32(reader);
var index = ReadWriteUtils.ReadS32(reader);
var isStatic = ReadWriteUtils.ReadS32(reader) != 0 ? true : false;
var length = ReadWriteUtils.ReadS32(reader);
var data = reader.ReadBytes(length);
if (fileIndex >= RomData.MMFileList.Count)
{
var newFile = new MMFile
{
Addr = fileAddr,
IsCompressed = false,
Data = data,
End = fileAddr + data.Length,
IsStatic = isStatic,
};
RomUtils.AppendFile(newFile);
}
if (index == -1)
{
RomData.MMFileList[fileIndex].Data = data;
if (data.Length == 0)
{
RomData.MMFileList[fileIndex].Cmp_Addr = -1;
RomData.MMFileList[fileIndex].Cmp_End = -1;
}
}
else
{
CheckCompressed(fileIndex);
ReadWriteUtils.Arr_Insert(data, 0, data.Length, RomData.MMFileList[fileIndex].Data, index);
}
}
}
return(hashAlg.Hash);
}
}
public static void RebuildAudioSeq(List <SequenceInfo> SequenceList)
{
List <MMSequence> OldSeq = new List <MMSequence>();
int f = RomUtils.GetFileIndexForWriting(Addresses.SeqTable);
int basea = RomData.MMFileList[f].Addr;
for (int i = 0; i < 128; i++)
{
MMSequence entry = new MMSequence();
if (i == 0x1E)
{
entry.Addr = 2;
entry.Size = 0;
OldSeq.Add(entry);
continue;
}
int entryaddr = Addresses.SeqTable + (i * 16);
entry.Addr = (int)ReadWriteUtils.Arr_ReadU32(RomData.MMFileList[f].Data, entryaddr - basea);
entry.Size = (int)ReadWriteUtils.Arr_ReadU32(RomData.MMFileList[f].Data, (entryaddr - basea) + 4);
if (entry.Size > 0)
{
entry.Data = new byte[entry.Size];
Array.Copy(RomData.MMFileList[4].Data, entry.Addr, entry.Data, 0, entry.Size);
}
else
{
int j = SequenceList.FindIndex(u => u.Replaces == i);
if (j != -1)
{
if ((entry.Addr > 0) && (entry.Addr < 128))
{
if (SequenceList[j].Replaces != 0x28)
{
SequenceList[j].Replaces = entry.Addr;
}
else
{
entry.Data = OldSeq[0x18].Data;
entry.Size = OldSeq[0x18].Size;
}
}
}
}
OldSeq.Add(entry);
}
List <MMSequence> NewSeq = new List <MMSequence>();
int addr = 0;
byte[] NewAudioSeq = new byte[0];
for (int i = 0; i < 128; i++)
{
MMSequence newentry = new MMSequence();
if (OldSeq[i].Size == 0)
{
newentry.Addr = OldSeq[i].Addr;
}
else
{
newentry.Addr = addr;
}
int j = SequenceList.FindIndex(u => u.Replaces == i);
if (j != -1)
{
if (SequenceList[j].MM_seq != -1)
{
newentry.Size = OldSeq[SequenceList[j].MM_seq].Size;
newentry.Data = OldSeq[SequenceList[j].MM_seq].Data;
}
else
{
BinaryReader sequence = new BinaryReader(File.Open(SequenceList[j].Name, FileMode.Open));
int len = (int)sequence.BaseStream.Length;
byte[] data = new byte[len];
sequence.Read(data, 0, len);
sequence.Close();
if (data[1] != 0x20)
{
data[1] = 0x20;
}
newentry.Size = len;
newentry.Data = data;
}
}
else
{
newentry.Size = OldSeq[i].Size;
newentry.Data = OldSeq[i].Data;
}
NewSeq.Add(newentry);
if (newentry.Data != null)
{
NewAudioSeq = NewAudioSeq.Concat(newentry.Data).ToArray();
}
addr += newentry.Size;
}
if (addr > (RomData.MMFileList[4].End - RomData.MMFileList[4].Addr))
{
int index = RomUtils.AppendFile(NewAudioSeq);
ResourceUtils.ApplyHack(Values.ModsDirectory + "reloc-audio");
RelocateSeq(index);
RomData.MMFileList[4].Data = new byte[0];
RomData.MMFileList[4].Cmp_Addr = -1;
RomData.MMFileList[4].Cmp_End = -1;
}
else
{
RomData.MMFileList[4].Data = NewAudioSeq;
}
//update pointer table
f = RomUtils.GetFileIndexForWriting(Addresses.SeqTable);
for (int i = 0; i < 128; i++)
{
ReadWriteUtils.Arr_WriteU32(RomData.MMFileList[f].Data, (Addresses.SeqTable + (i * 16)) - basea, (uint)NewSeq[i].Addr);
ReadWriteUtils.Arr_WriteU32(RomData.MMFileList[f].Data, 4 + (Addresses.SeqTable + (i * 16)) - basea, (uint)NewSeq[i].Size);
}
//update inst sets
f = RomUtils.GetFileIndexForWriting(Addresses.InstSetMap);
basea = RomData.MMFileList[f].Addr;
for (int i = 0; i < 128; i++)
{
int paddr = (Addresses.InstSetMap - basea) + (i * 2) + 2;
int j = -1;
if (NewSeq[i].Size == 0)
{
j = SequenceList.FindIndex(u => u.Replaces == NewSeq[i].Addr);
}
else
{
j = SequenceList.FindIndex(u => u.Replaces == i);
}
if (j != -1)
{
RomData.MMFileList[f].Data[paddr] = (byte)SequenceList[j].Instrument;
}
}
}
