private static void CompressRom_new(Stream rom, DmaData dmadata, List <int> exclusions, Stream sw)
{
BinaryReader br = new BinaryReader(rom);
MemoryStream outRom = new MemoryStream(0x200_0000);
List <FileRecord> newDmaTable = new List <FileRecord>();
Console.WriteLine();
int cur = 0;
for (int i = 0; i < dmadata.Table.Count; i++)
{
FileRecord record = dmadata.Table[i];
if (record.VRom.End == 0)
{
var r = new FileRecord(new FileAddress(), new FileAddress());
newDmaTable.Add(r);
break;
}
br.BaseStream.Position = record.Rom.Start;
byte[] data = br.ReadBytes(record.VRom.Size);
int dstsize;
FileAddress physical;
if (!exclusions.Contains(i))
{
dstsize = Yaz.Encode(data, data.Length, outRom);
dstsize = Align.To16(dstsize);
physical = new FileAddress(cur, cur + dstsize);
}
else
{
dstsize = data.Length;
dstsize = Align.To16(dstsize);
outRom.Write(data, 0, data.Length);
physical = new FileAddress(cur, 0);
exclusions.Remove(i);
}
var newRec = new FileRecord(record.VRom, physical);
newDmaTable.Add(newRec);
cur += dstsize;
outRom.Position = cur;
}
br.Close();
WriteFileTable(outRom, dmadata.Address.VRom, newDmaTable);
CRC.Write(outRom);
outRom.Position = 0;
outRom.CopyTo(sw);
}
private static void CompressRom(Rom rom, Dictionary <long, FileRecord> refFileList, Stream sw)
{
int filesProcessed = 0;
int filesTotal;
List <FileRecord> newDmaTable = new List <FileRecord>();
Console.WriteLine();
foreach (FileRecord record in rom.Files)
{
Stream outstream;
bool IsCompressed = false;
filesTotal = rom.Files.Count();
//get file
outstream = rom.Files.GetFile(record.VRom.Start);
//Compress if the file can't be found in the don't compress list,
//or if the file listed should be compressed (legacy)
if (!refFileList.ContainsKey(record.VRom.Start) ||
refFileList[record.VRom.Start].IsCompressed)
{
//compress file
IsCompressed = true;
MemoryStream ms = new MemoryStream();
using (BinaryReader br = new BinaryReader(outstream))
{
byte[] data = br.ReadBytes(record.VRom.Size);
Yaz.Encode(data, data.Length, ms);
ms.Position = 0;
}
outstream = ms;
}
//data contains the data to write to rom
AppendFile(sw, newDmaTable, outstream, record, IsCompressed);
//writes progress to console window
filesProcessed++;
Console.Write(processedFiles, filesProcessed, filesTotal);
}
sw.PadToLength(0x2000000);
WriteFileTable(sw, rom.Files.GetDmaDataStart(), newDmaTable);
CRC.Write(sw);
}
public static void DecompressRom(Rom compressedRom, Stream sw)
{
List <FileRecord> newDmaTable = new List <FileRecord>();
int filesProcessed = 0;
int filesTotal;
filesTotal = compressedRom.Files.Count();
//build the new dmadata table
foreach (FileRecord record in compressedRom.Files)
{
FileAddress vrom = record.VRom; //current address
//MM Check for empty file
int start = (record.Rom.Start == -1) ? -1 : vrom.Start;
FileRecord rec = new FileRecord(vrom, new FileAddress(start, 0));
newDmaTable.Add(rec);
}
//write the decompressed files to the stream
foreach (FileRecord record in compressedRom.Files.OrderBy(x => x.VRom.Start))
{
FileAddress vrom = record.VRom; //current address
sw.PadToLength(vrom.Start);
//If file exists (supports MM)
if (record.Rom.Start != -1)
{
var file = compressedRom.Files.GetFile(vrom);
((Stream)file).CopyTo(sw);
}
//writes progress to console window
filesProcessed++;
Console.Write(processedFiles, filesProcessed, filesTotal);
}
sw.PadToLength(0x4000000);
WriteFileTable(sw, compressedRom.Files.GetDmaDataStart(), newDmaTable);
CRC.Write(sw);
}
public static void CompressRomOptimized(ORom uncompressedRom, ORom refRom, Stream sw)
{
int filesProcessed = 0;
int filesTotal;
List <FileRecord> newDmaTable = new List <FileRecord>();
filesTotal = uncompressedRom.Files.Count();
foreach (FileRecord record in uncompressedRom.Files)
{
Stream outstream = GetFile_CompressedOptimized(uncompressedRom, refRom, record, out bool IsCompressed);
AppendFile(sw, newDmaTable, outstream, record, IsCompressed);
//writes progress to console window
filesProcessed++;
Console.Write(processedFiles, filesProcessed, filesTotal);
}
sw.PadToLength(0x2000000);
WriteFileTable(sw, uncompressedRom.Files.GetDmaDataStart(), newDmaTable);
CRC.Write(sw);
}
public static void DecompressRom(Rom compressedRom, Stream sw)
{
List <FileRecord> newDmaTable = new List <FileRecord>();
FileAddress addr; //current address
int filesProcessed = 0;
int filesTotal;
filesTotal = compressedRom.Files.Count();
foreach (FileRecord record in compressedRom.Files.OrderBy(x => x.VirtualAddress.Start))
{
addr = record.VirtualAddress;
sw.PadToLength(addr.Start);
//MM Check
if (record.PhysicalAddress.Start == -1)
{
newDmaTable.Add(new FileRecord(addr, new FileAddress(record.PhysicalAddress.Start, 0), record.Index));
}
else
{
var file = compressedRom.Files.GetFile(addr);
((Stream)file).CopyTo(sw);
newDmaTable.Add(new FileRecord(addr, new FileAddress(addr.Start, 0), record.Index));
}
//writes progress to console window
filesProcessed++;
Console.Write(processedFiles, filesProcessed, filesTotal);
}
sw.PadToLength(0x4000000);
WriteFileTable(sw, compressedRom.Files.GetDmaDataStart(), newDmaTable.OrderBy(x => x.Index).ToList());
CRC.Write(sw);
}
/// <summary>
/// Patches files into a rom, where file VROM mappings are identical
/// </summary>
/// <param name="OutputFilename"></param>
/// <param name="hostRom"></param>
/// <param name="UpdateFiles"></param>
/// <param name="GetFile"></param>
private static void PatchFiles_SameVrom_Compressed(Stream output, ORom hostRom,
Dictionary <long, string> UpdateFiles, GetFileDelegate GetFile)
{
List <FileRecord> newDmaTable = new List <FileRecord>();
foreach (FileRecord record in hostRom.Files)
{
long physicalStart = output.Position;
long vromFilesize;
long romFilesize;
Stream file;
//if the file is being replaced with a custom file
if (UpdateFiles.ContainsKey(record.VRom.Start))
{
//get source file
file = GetFile(UpdateFiles[record.VRom.Start]);
//Get virtual file size
if (record.IsCompressed)
{
Yaz.DecodeSize(file, out vromFilesize);
}
else
{
vromFilesize = Align.To16(file.Length);
}
//get the physical file size with padding
romFilesize = Align.To16(file.Length);
}
else //copy a source rom file.
{
vromFilesize = record.VRom.Size;
romFilesize = record.Data.Size;
if (romFilesize > 0x800000)
{
throw new Exception("Internal file too large");
}
file = hostRom.Files.GetPhysicalFile(record.VRom.Start);
}
//copy file
file.CopyTo(output);
file.Close();
//pad out
output.PadToLength(physicalStart + romFilesize);
//generate a new file table record
newDmaTable.Add(new FileRecord(
new FileAddress(record.VRom.Start, record.VRom.Start + vromFilesize),
new FileAddress(physicalStart, (record.IsCompressed) ? physicalStart + romFilesize : 0)));
}
output.PadToLength(0x2000000);
WriteFileTable(output, hostRom.Files.GetDmaDataStart(), newDmaTable);
//write crc
CRC.Write(output);
}
