Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
keii.dev
1package net.minecraft.server;
2
3import java.util.Random;
4
5public class WorldChunkManager {
6
7 private NoiseGeneratorOctaves2 e;
8 private NoiseGeneratorOctaves2 f;
9 private NoiseGeneratorOctaves2 g;
10 public double[] temperature;
11 public double[] rain;
12 public double[] c;
13 public BiomeBase[] d;
14
15 protected WorldChunkManager() {
16 }
17
18 public WorldChunkManager(World world) {
19 this.e = new NoiseGeneratorOctaves2(new Random(world.getSeed() * 9871L), 4);
20 this.f = new NoiseGeneratorOctaves2(new Random(world.getSeed() * 39811L), 4);
21 this.g = new NoiseGeneratorOctaves2(new Random(world.getSeed() * 543321L), 2);
22 }
23
24 public BiomeBase a(ChunkCoordIntPair chunkcoordintpair) {
25 return this.getBiome(chunkcoordintpair.x << 4, chunkcoordintpair.z << 4);
26 }
27
28 public BiomeBase getBiome(int i, int j) {
29 return this.getBiomeData(i, j, 1, 1)[0];
30 }
31
32 public BiomeBase[] getBiomeData(int i, int j, int k, int l) {
33 this.d = this.a(this.d, i, j, k, l);
34 return this.d;
35 }
36
37 public double[] a(double[] adouble, int i, int j, int k, int l) {
38 if (adouble == null || adouble.length < k * l) {
39 adouble = new double[k * l];
40 }
41
42 adouble = this.e.a(adouble, (double) i, (double) j, k, l, 0.02500000037252903D, 0.02500000037252903D, 0.25D);
43 this.c = this.g.a(this.c, (double) i, (double) j, k, l, 0.25D, 0.25D, 0.5882352941176471D);
44 int i1 = 0;
45
46 for (int j1 = 0; j1 < k; ++j1) {
47 for (int k1 = 0; k1 < l; ++k1) {
48 double d0 = this.c[i1] * 1.1D + 0.5D;
49 double d1 = 0.01D;
50 double d2 = 1.0D - d1;
51 double d3 = (adouble[i1] * 0.15D + 0.7D) * d2 + d0 * d1;
52
53 d3 = 1.0D - (1.0D - d3) * (1.0D - d3);
54 if (d3 < 0.0D) {
55 d3 = 0.0D;
56 }
57
58 if (d3 > 1.0D) {
59 d3 = 1.0D;
60 }
61
62 adouble[i1] = d3;
63 ++i1;
64 }
65 }
66
67 return adouble;
68 }
69
70 public BiomeBase[] a(BiomeBase[] abiomebase, int i, int j, int k, int l) {
71 if (abiomebase == null || abiomebase.length < k * l) {
72 abiomebase = new BiomeBase[k * l];
73 }
74
75 this.temperature = this.e.a(this.temperature, (double) i, (double) j, k, k, 0.02500000037252903D, 0.02500000037252903D, 0.25D);
76 this.rain = this.f.a(this.rain, (double) i, (double) j, k, k, 0.05000000074505806D, 0.05000000074505806D, 0.3333333333333333D);
77 this.c = this.g.a(this.c, (double) i, (double) j, k, k, 0.25D, 0.25D, 0.5882352941176471D);
78 int i1 = 0;
79
80 for (int j1 = 0; j1 < k; ++j1) {
81 for (int k1 = 0; k1 < l; ++k1) {
82 double d0 = this.c[i1] * 1.1D + 0.5D;
83 double d1 = 0.01D;
84 double d2 = 1.0D - d1;
85 double d3 = (this.temperature[i1] * 0.15D + 0.7D) * d2 + d0 * d1;
86
87 d1 = 0.0020D;
88 d2 = 1.0D - d1;
89 double d4 = (this.rain[i1] * 0.15D + 0.5D) * d2 + d0 * d1;
90
91 d3 = 1.0D - (1.0D - d3) * (1.0D - d3);
92 if (d3 < 0.0D) {
93 d3 = 0.0D;
94 }
95
96 if (d4 < 0.0D) {
97 d4 = 0.0D;
98 }
99
100 if (d3 > 1.0D) {
101 d3 = 1.0D;
102 }
103
104 if (d4 > 1.0D) {
105 d4 = 1.0D;
106 }
107
108 this.temperature[i1] = d3;
109 this.rain[i1] = d4;
110 abiomebase[i1++] = BiomeBase.a(d3, d4);
111 }
112 }
113
114 return abiomebase;
115 }
116
117 // CraftBukkit start
118 public double getHumidity(int x, int z) {
119 return this.f.a(this.rain, (double) x, (double) z, 1, 1, 0.05000000074505806D, 0.05000000074505806D, 0.3333333333333333D)[0];
120 }
121 // CraftBukkit end
122}