private static bool GetPokewalkerMatch(PKM pk, uint oldpid, out PIDIV pidiv)
{
// check surface compatibility
var mid = oldpid & 0x00FFFF00;
if (mid != 0 && mid != 0x00FFFF00) // not expected bits
{
return(GetNonMatch(out pidiv));
}
var nature = oldpid % 25;
if (nature == 24) // impossible nature
{
return(GetNonMatch(out pidiv));
}
var gender = pk.Gender;
uint pid = PIDGenerator.GetPokeWalkerPID(pk.TID, pk.SID, nature, gender, pk.PersonalInfo.Gender);
if (pid != oldpid)
{
if (!(gender == 0 && IsAzurillEdgeCaseM(pk, nature, oldpid)))
{
return(GetNonMatch(out pidiv));
}
}
pidiv = PIDIV.Pokewalker;
return(true);
}
private static bool IsAzurillEdgeCaseM(PKM pk, uint nature, uint oldpid)
{
// check for Azurill evolution edge case... 75% F-M is now 50% F-M; was this a F->M bend?
int species = pk.Species;
if (species is not((int)Species.Marill or(int) Species.Azumarill))
{
return(false);
}
const int AzurillGenderRatio = 0xBF;
var gender = EntityGender.GetFromPIDAndRatio(pk.PID, AzurillGenderRatio);
if (gender != 1)
{
return(false);
}
var pid = PIDGenerator.GetPokeWalkerPID(pk.TID, pk.SID, nature, 1, AzurillGenderRatio);
return(pid == oldpid);
}
