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| 1 | +package com.minecrafttas.tasmod.ktrng; |
| 2 | + |
| 3 | +import java.util.Random; |
| 4 | + |
| 5 | +import kaptainwutax.seedutils.lcg.LCG; |
| 6 | +import kaptainwutax.seedutils.rand.JRand; |
| 7 | + |
| 8 | +public class KTRNGRandom extends Random { |
| 9 | + |
| 10 | + private String name; |
| 11 | + private String description; |
| 12 | + |
| 13 | + private long timesCalled = 0; |
| 14 | + |
| 15 | + private boolean enabled; |
| 16 | + private boolean client; |
| 17 | + |
| 18 | + public KTRNGRandom(String name, String description, boolean enabled, boolean client) { |
| 19 | + super(0L); |
| 20 | + this.name = name; |
| 21 | + this.description = description; |
| 22 | + this.enabled = enabled; |
| 23 | + this.client = client; |
| 24 | + } |
| 25 | + |
| 26 | + public void setSeed(long seedIn) { |
| 27 | + timesCalled = 0; |
| 28 | + super.setSeed(seedIn ^ 0x5deece66dL); |
| 29 | + } |
| 30 | + |
| 31 | + public void setSeed(long seedIn, boolean shouldIncrease) { |
| 32 | + timesCalled++; |
| 33 | + super.setSeed(seedIn ^ 0x5deece66dL); |
| 34 | + } |
| 35 | + |
| 36 | + public long getSeed() { |
| 37 | + long saved = timesCalled; |
| 38 | + long seed = reverse(super.nextLong()) ^ 0x5deece66dL; |
| 39 | + super.setSeed(seed); |
| 40 | + timesCalled = saved; |
| 41 | + return seed ^ 0x5deece66dL; |
| 42 | + } |
| 43 | + |
| 44 | + public static long reverse(long in) { |
| 45 | + return (((7847617 * ((24667315 * (in >>> 32) + 18218081 * (in & 0xffffffffL) + 67552711) >> 32) - 18218081 * ((-4824621 * (in >>> 32) + 7847617 * (in & 0xffffffffL) + 7847617) >> 32)) - 11) * 246154705703781L) & 0xffffffffffffL; |
| 46 | + } |
| 47 | + |
| 48 | + public String getName() { |
| 49 | + return this.name; |
| 50 | + } |
| 51 | + |
| 52 | + public String getDescription() { |
| 53 | + return description; |
| 54 | + } |
| 55 | + |
| 56 | + public long getTimesCalled() { |
| 57 | + return timesCalled; |
| 58 | + } |
| 59 | + |
| 60 | + public boolean isEnabled() { |
| 61 | + return enabled; |
| 62 | + } |
| 63 | + |
| 64 | + public boolean isClient() { |
| 65 | + return client; |
| 66 | + } |
| 67 | + |
| 68 | + @Override |
| 69 | + public long nextLong() { |
| 70 | + timesCalled++; |
| 71 | + long seedstored = getSeed(); |
| 72 | + long value = super.nextLong(); |
| 73 | + fireEvent(seedstored, Long.toString(value)); |
| 74 | + return value; |
| 75 | + } |
| 76 | + |
| 77 | + @Override |
| 78 | + public double nextDouble() { |
| 79 | + timesCalled++; |
| 80 | + long seedstored = getSeed(); |
| 81 | + double value = super.nextDouble(); |
| 82 | + fireEvent(seedstored, Double.toString(value)); |
| 83 | + return value; |
| 84 | + } |
| 85 | + |
| 86 | + @Override |
| 87 | + public boolean nextBoolean() { |
| 88 | + timesCalled++; |
| 89 | + long seedstored = getSeed(); |
| 90 | + boolean value = super.nextBoolean(); |
| 91 | + fireEvent(seedstored, Boolean.toString(value)); |
| 92 | + return value; |
| 93 | + } |
| 94 | + |
| 95 | + @Override |
| 96 | + public int nextInt() { |
| 97 | + timesCalled++; |
| 98 | + long seedstored = getSeed(); |
| 99 | + int value = super.nextInt(); |
| 100 | + fireEvent(seedstored, Integer.toString(value)); |
| 101 | + return value; |
| 102 | + } |
| 103 | + |
| 104 | + @Override |
| 105 | + public int nextInt(int bound) { |
| 106 | + timesCalled++; |
| 107 | + long seedstored = getSeed(); |
| 108 | + int value = super.nextInt(bound); |
| 109 | + fireEvent(seedstored, Integer.toString(value)); |
| 110 | + return value; |
| 111 | + } |
| 112 | + |
| 113 | + @Override |
| 114 | + public float nextFloat() { |
| 115 | + return super.nextFloat(); |
| 116 | + } |
| 117 | + |
| 118 | + @Override |
| 119 | + public void nextBytes(byte[] bytes) { |
| 120 | + super.nextBytes(bytes); |
| 121 | + } |
| 122 | + |
| 123 | + @Override |
| 124 | + public double nextGaussian() { |
| 125 | + timesCalled++; |
| 126 | + double value = 0; |
| 127 | + value = super.nextGaussian(); |
| 128 | + return value; |
| 129 | + } |
| 130 | + |
| 131 | + public void advance() { |
| 132 | + advance(1); |
| 133 | + } |
| 134 | + |
| 135 | + public void advance(long i) { |
| 136 | + JRand thing = JRand.ofInternalSeed(getSeed()); |
| 137 | + thing.advance(i); |
| 138 | + setSeed(thing.getSeed()); |
| 139 | + } |
| 140 | + |
| 141 | + public long getSeedAt(int steps) { |
| 142 | + JRand thing = new JRand(getSeed()).combine(steps); |
| 143 | + return thing.getSeed(); |
| 144 | + } |
| 145 | + |
| 146 | + public long distance(KTRNGRandom random) { |
| 147 | + return KTRNGRandom.distance(this.getSeed(), random.getSeed()); |
| 148 | + } |
| 149 | + |
| 150 | + public long distance(long seed) { |
| 151 | + return KTRNGRandom.distance(this.getSeed(), seed); |
| 152 | + } |
| 153 | + |
| 154 | + public static long distance(KTRNGRandom random1, KTRNGRandom random2) { |
| 155 | + return KTRNGRandom.distance(random1.getSeed(), random2.getSeed()); |
| 156 | + } |
| 157 | + |
| 158 | + public static long distance(long seed, long seed2) { |
| 159 | + return LCG.JAVA.distance(seed, seed2); |
| 160 | + } |
| 161 | + |
| 162 | + @Override |
| 163 | + public String toString() { |
| 164 | + return name + ": " + enabled; |
| 165 | + } |
| 166 | + |
| 167 | + @Override |
| 168 | + public boolean equals(Object obj) { |
| 169 | + if (obj instanceof KTRNGRandom) { |
| 170 | + KTRNGRandom custom = (KTRNGRandom) obj; |
| 171 | + return custom.name.equals(name); |
| 172 | + } else { |
| 173 | + return super.equals(obj); |
| 174 | + } |
| 175 | + } |
| 176 | + |
| 177 | + public void fireEvent(long seed, String value) { |
| 178 | + // TODO Implement |
| 179 | + } |
| 180 | +} |
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