private List <uint> recoverLower16BitsPID(uint pid)
{
uint add;
uint k;
uint mult;
byte[] low = new byte[0x10000];
bool[] flags = new bool[0x10000];
k = 0xC64E6D00; // Mult << 8
mult = 0x41c64e6d; // pokerng constant
add = 0x6073; // pokerng constant
uint count = 0;
foreach (byte element in low)
{
low[count] = 0;
count++;
}
count = 0;
foreach (bool element in flags)
{
flags[count] = false;
count++;
}
for (short i = 0; i < 256; i++)
{
uint right = (uint)(mult * i + add);
ushort val = (ushort)(right >> 16);
flags[val] = true;
low[val--] = (byte)(i);
flags[val] = true;
low[val] = (byte)(i);
}
List <uint> origin = new List <uint>();
uint first = pid << 16;
uint second = pid & 0xFFFF0000;
uint search = second - first * mult;
for (uint i = 0; i < 256; i++, search -= k)
{
if (flags[search >> 16])
{
uint test = first | (i << 8) | low[search >> 16];
if (((test * mult + add) & 0xffff0000) == second)
{
PokeRNGR rng = new PokeRNGR(test);
uint seed = rng.nextUInt();
origin.Add(seed);
}
}
}
return(origin);
}
private List <uint> getInitial(uint seed)
{
uint advances = 0;
PokeRNGR rng = new PokeRNGR(seed);
while (rng.seed > 0xFFFF)
{
rng.nextUInt();
advances += 1;
}
return(new List <uint> {
rng.seed, advances
});
}