67ab74899f
Adding cache Adding XOR Shift random class
54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
|
|
namespace Axios.Engine
|
|
{
|
|
// Implemenation of an XORShift
|
|
// http://en.wikipedia.org/wiki/Xorshift
|
|
// http://stackoverflow.com/questions/6275593/how-to-write-you-own-random-number-algorithm
|
|
public class AxiosRandom
|
|
{
|
|
private static int x;
|
|
private static int y;
|
|
private static int z;
|
|
private static int w;
|
|
private static int t = 0;
|
|
|
|
public void init(int x, int y, int z, int w)
|
|
{
|
|
AxiosRandom.x = x;
|
|
AxiosRandom.y = y;
|
|
AxiosRandom.z = z;
|
|
AxiosRandom.w = w;
|
|
}
|
|
|
|
public static void init()
|
|
{
|
|
AxiosRandom.x = generateVector();
|
|
AxiosRandom.y = generateVector();
|
|
AxiosRandom.z = generateVector();
|
|
AxiosRandom.w = generateVector();
|
|
}
|
|
|
|
public static int next()
|
|
{
|
|
t = x ^ (x << 11);
|
|
x = y; y = z; z = w;
|
|
return w = w ^ (w >> 19) ^ (t ^ (t >> 8));
|
|
}
|
|
|
|
private static int generateVector()
|
|
{
|
|
int[] x = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
|
|
int[] val = new int[9];
|
|
for (int i = 0; i < 9; i++)
|
|
val[i] = x[GameServices.GetService<Random>().Next(x.Count() - 1)];
|
|
return int.Parse(String.Join("", val));
|
|
}
|
|
|
|
|
|
}
|
|
}
|