private List <UInt32> writeSubroutineSkipMapUnlockCheck(AddressMapper addressMapper, VAVAddr entryAddr, VAVAddr returnContinueAddr, VAVAddr returnSkipMapUnlockedCheck)
{
// precondition: r26 is mapid
// r3 is unused
// postcondition: r3 is mapid
var asm = new List <UInt32>();
asm.Add(PowerPcAsm.or(3, 26, 26)); // r3 <- mapid
asm.Add(PowerPcAsm.cmpwi(3, -1)); // mapid == -1 ?
asm.Add(PowerPcAsm.beq(entryAddr, asm.Count, returnSkipMapUnlockedCheck)); // goto skipMapUnlockedCheck
asm.Add(PowerPcAsm.b(entryAddr, asm.Count, returnContinueAddr)); // else goto returnContinueAddr
return(asm);
}
protected override void writeAsm(EndianBinaryWriter stream, AddressMapper addressMapper, List <MapDescriptor> mapDescriptors)
{
var tableAddr = writeTable(mapDescriptors);
// --- Game::GameSequenceDataAdapter::GetNumMapsInZone ---
var subroutineGetNumMapsInZone = allocate(writeSubroutineGetNumMapsInZone(mapDescriptors), "SubroutineGetNumMapsInZone");
var hijackAddr = addressMapper.toVersionAgnosticAddress((BSVAddr)0x8020f3ac);
stream.Seek(addressMapper.toFileAddress(hijackAddr), SeekOrigin.Begin);
// li r3,0x6 -> b subroutineGetNumMapsInZone
stream.Write(PowerPcAsm.b(hijackAddr, subroutineGetNumMapsInZone));
// --- Game::GameSequenceDataAdapter::GetMapsInZone ---
hijackAddr = addressMapper.toVersionAgnosticAddress((BSVAddr)0x8020f454);
var returnAddr = addressMapper.toVersionAgnosticAddress((BSVAddr)0x8020f554);
var subroutineGetMapsInZone = allocate(writeSubroutineGetMapsInZone(addressMapper, mapDescriptors, tableAddr, VAVAddr.NullAddress, returnAddr), "SubroutineGetMapsInZone");
stream.Seek(addressMapper.toFileAddress(subroutineGetMapsInZone), SeekOrigin.Begin);
stream.Write(writeSubroutineGetMapsInZone(addressMapper, mapDescriptors, tableAddr, subroutineGetMapsInZone, returnAddr)); // re-write the routine again since now we know where it is located in the main dol
stream.Seek(addressMapper.toFileAddress(hijackAddr), SeekOrigin.Begin);
// cmpwi r29,0x0 -> b subroutineGetMapsInZone
stream.Write(PowerPcAsm.b(hijackAddr, subroutineGetMapsInZone));
// --- Write Table Meta Information ---
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x8020f458), SeekOrigin.Begin);
stream.Write((uint)tableAddr);
stream.Write((short)0);
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x8020F45E), SeekOrigin.Begin);
stream.Write((short)mapDescriptors.Count);
// --- Fix Wifi Map Selection ---
// bl GameSequenceDataAdapter::GetMapOrigin(r3) -> nop
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x80185ac4), SeekOrigin.Begin); stream.Write(PowerPcAsm.nop());
// or r31,r3,r3 -> or r31,r4,r4
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x80185ac8), SeekOrigin.Begin); stream.Write(PowerPcAsm.or(31, 4, 4));
// li r5,0x1 -> li r5,0x2
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x80185b10), SeekOrigin.Begin); stream.Write(PowerPcAsm.li(5, 2));
// bl GameSequenceDataAdapter::GetMapOrigin(r3) -> nop
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x8024b1b8), SeekOrigin.Begin); stream.Write(PowerPcAsm.nop());
// bl GameSequenceDataAdapter::GetMapOrigin(r3) -> nop
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x802498a8), SeekOrigin.Begin);
for (int i = 0; i < 8; i++)
{
stream.Write(PowerPcAsm.nop());
}
// --- Default selected map button in wifi ---
// since Standard Mode is selected on default, we use this mapset to find the standard map
// TODO need asm hack to determine currently selected MapSet and use rather use that ID
short defaultMap = 0;
for (short i = 0; i < mapDescriptors.Count; i++)
{
var mapDescriptor = mapDescriptors[i];
if (mapDescriptor.MapSet == 1 && mapDescriptor.Zone == 0 && mapDescriptor.Order == 0)
{
defaultMap = i;
}
}
// 0x9 = Castle Trodain
// li r3,0x9 -> li r3,0x9
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x8024afc8), SeekOrigin.Begin); stream.Write(PowerPcAsm.li(3, defaultMap));
// TODO 0x13 is some special handling map id. Need to check what is going on with it
// li r3,0x13 -> li r3,0x13
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x80243ae4), SeekOrigin.Begin); stream.Write(PowerPcAsm.li(5, 0x13));
// --- Fix out of array bounds error when opening tour mode and viewing the zones and having more than 6 maps in a zone ---
// bl Game::GameSequenceDataAdapter::GetNumMapsInZone -> li r3,0x6
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x8021f880), SeekOrigin.Begin); stream.Write(PowerPcAsm.li(3, 0x6));
// bl Game::GameSequenceDataAdapter::GetNumMapsInZone -> li r3,0x6
stream.Seek(addressMapper.toFileAddress((BSVAddr)0x8021ff4c), SeekOrigin.Begin); stream.Write(PowerPcAsm.li(3, 0x6));
}
