public static bool PatchToSupportBigASMHacks()
{
bool autorw = Program.m_ROM.CanRW();
if (!autorw)
{
Program.m_ROM.BeginRW();
}
if (Program.m_ROM.Read32(0x6590) != 0) //the patch makes this not 0
{
if (!autorw)
{
Program.m_ROM.EndRW();
}
return(true);
}
if (!autorw)
{
Program.m_ROM.EndRW();
}
if (MessageBox.Show("This requires the ROM to be further patched. " +
"Continue with the patch?", "Table Shifting Patch", MessageBoxButtons.YesNo) == DialogResult.No)
{
return(false);
}
if (!autorw)
{
Program.m_ROM.BeginRW();
}
NitroOverlay ov2 = new NitroOverlay(Program.m_ROM, 2);
//Move the ACTOR_SPAWN_TABLE so it can expand
Program.m_ROM.WriteBlock(0x6590, Program.m_ROM.ReadBlock(0x90864, 0x61c));
Program.m_ROM.WriteBlock(0x90864, new byte[0x61c]);
//Adjust pointers
Program.m_ROM.Write32(0x1a198, 0x02006590);
//Move the OBJ_TO_ACTOR_TABLE so it can expand
Program.m_ROM.WriteBlock(0x4b00, ov2.ReadBlock(0x0210cbf4 - ov2.GetRAMAddr(), 0x28c));
ov2.WriteBlock(0x0210cbf4 - ov2.GetRAMAddr(), new byte[0x28c]);
//Adjust pointers
ov2.Write32(0x020fe890 - ov2.GetRAMAddr(), 0x02004b00);
ov2.Write32(0x020fe958 - ov2.GetRAMAddr(), 0x02004b00);
ov2.Write32(0x020fea44 - ov2.GetRAMAddr(), 0x02004b00);
//Add the dynamic library loading and cleanup code
Program.m_ROM.WriteBlock(0x90864, Properties.Resources.dynamic_library_loader);
//Add the hooks (by replacing LoadObjBankOverlays())
Program.m_ROM.WriteBlock(0x2df70, Properties.Resources.static_overlay_loader);
if (!autorw)
{
Program.m_ROM.EndRW();
}
ov2.SaveChanges();
return(true);
}
public void makeOverlay(uint overlayID)
{
FileInfo f = new FileInfo(romdir.FullName + "/newcode.bin");
if (!f.Exists)
{
return;
}
FileStream fs = f.OpenRead();
FileInfo symFile = new FileInfo(romdir.FullName + "/newcode.sym");
StreamReader symStr = symFile.OpenText();
byte[] newdata = new byte[fs.Length];
fs.Read(newdata, 0, (int)fs.Length);
fs.Close();
BinaryWriter newOvl = new BinaryWriter(new MemoryStream());
BinaryReader newOvlR = new BinaryReader(newOvl.BaseStream);
try
{
newOvl.Write(newdata);
alignStream(newOvl.BaseStream, 4);
uint staticInitCount = 0;
while (!symStr.EndOfStream)
{
string line = symStr.ReadLine();
if (line.Contains("_Z4initv")) //gcc name mangling of init()
{
uint addr = (uint)parseHex(line.Substring(0, 8));
newOvl.Write(addr);
++staticInitCount;
}
}
/*if (newOvl.BaseStream.Length > 0x4d20)
* throw new InvalidDataException
* ("The overlay must have no more than 19776 bytes; this one will have " + newOvl.BaseStream.Length);*/
NitroOverlay ovl = new NitroOverlay(Program.m_ROM, overlayID);
newOvl.BaseStream.Position = 0;
ovl.SetInitializer(ovl.GetRAMAddr() + (uint)newOvl.BaseStream.Length - 4 * staticInitCount,
4 * staticInitCount);
ovl.SetSize((uint)newOvl.BaseStream.Length);
ovl.WriteBlock(0, newOvlR.ReadBytes((int)newOvl.BaseStream.Length));
ovl.SaveChanges();
}
catch (Exception ex)
{
new ExceptionMessageBox("Error", ex).ShowDialog();
return;
}
finally
{
symStr.Close();
newOvl.Dispose();
newOvlR.Close();
}
}
