Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
1package net.minecraft.server;
2
3import java.util.Random;
4
5public class ChunkProviderSky implements IChunkProvider {
6
7 private Random j;
8 private NoiseGeneratorOctaves k;
9 private NoiseGeneratorOctaves l;
10 private NoiseGeneratorOctaves m;
11 private NoiseGeneratorOctaves n;
12 private NoiseGeneratorOctaves o;
13 public NoiseGeneratorOctaves a;
14 public NoiseGeneratorOctaves b;
15 public NoiseGeneratorOctaves c;
16 private World p;
17 private double[] q;
18 private double[] r = new double[256];
19 private double[] s = new double[256];
20 private double[] t = new double[256];
21 private MapGenBase u = new MapGenCaves();
22 private BiomeBase[] v;
23 double[] d;
24 double[] e;
25 double[] f;
26 double[] g;
27 double[] h;
28 int[][] i = new int[32][32];
29 private double[] w;
30
31 public ChunkProviderSky(World world, long i) {
32 this.p = world;
33 this.j = new Random(i);
34 this.k = new NoiseGeneratorOctaves(this.j, 16);
35 this.l = new NoiseGeneratorOctaves(this.j, 16);
36 this.m = new NoiseGeneratorOctaves(this.j, 8);
37 this.n = new NoiseGeneratorOctaves(this.j, 4);
38 this.o = new NoiseGeneratorOctaves(this.j, 4);
39 this.a = new NoiseGeneratorOctaves(this.j, 10);
40 this.b = new NoiseGeneratorOctaves(this.j, 16);
41 this.c = new NoiseGeneratorOctaves(this.j, 8);
42 }
43
44 public void a(int i, int j, byte[] abyte, BiomeBase[] abiomebase, double[] adouble) {
45 byte b0 = 2;
46 int k = b0 + 1;
47 byte b1 = 33;
48 int l = b0 + 1;
49
50 this.q = this.a(this.q, i * b0, 0, j * b0, k, b1, l);
51
52 for (int i1 = 0; i1 < b0; ++i1) {
53 for (int j1 = 0; j1 < b0; ++j1) {
54 for (int k1 = 0; k1 < 32; ++k1) {
55 double d0 = 0.25D;
56 double d1 = this.q[((i1 + 0) * l + j1 + 0) * b1 + k1 + 0];
57 double d2 = this.q[((i1 + 0) * l + j1 + 1) * b1 + k1 + 0];
58 double d3 = this.q[((i1 + 1) * l + j1 + 0) * b1 + k1 + 0];
59 double d4 = this.q[((i1 + 1) * l + j1 + 1) * b1 + k1 + 0];
60 double d5 = (this.q[((i1 + 0) * l + j1 + 0) * b1 + k1 + 1] - d1) * d0;
61 double d6 = (this.q[((i1 + 0) * l + j1 + 1) * b1 + k1 + 1] - d2) * d0;
62 double d7 = (this.q[((i1 + 1) * l + j1 + 0) * b1 + k1 + 1] - d3) * d0;
63 double d8 = (this.q[((i1 + 1) * l + j1 + 1) * b1 + k1 + 1] - d4) * d0;
64
65 for (int l1 = 0; l1 < 4; ++l1) {
66 double d9 = 0.125D;
67 double d10 = d1;
68 double d11 = d2;
69 double d12 = (d3 - d1) * d9;
70 double d13 = (d4 - d2) * d9;
71
72 for (int i2 = 0; i2 < 8; ++i2) {
73 int j2 = i2 + i1 * 8 << 11 | 0 + j1 * 8 << 7 | k1 * 4 + l1;
74 short short1 = 128;
75 double d14 = 0.125D;
76 double d15 = d10;
77 double d16 = (d11 - d10) * d14;
78
79 for (int k2 = 0; k2 < 8; ++k2) {
80 int l2 = 0;
81
82 if (d15 > 0.0D) {
83 l2 = Block.STONE.id;
84 }
85
86 abyte[j2] = (byte) l2;
87 j2 += short1;
88 d15 += d16;
89 }
90
91 d10 += d12;
92 d11 += d13;
93 }
94
95 d1 += d5;
96 d2 += d6;
97 d3 += d7;
98 d4 += d8;
99 }
100 }
101 }
102 }
103 }
104
105 public void a(int i, int j, byte[] abyte, BiomeBase[] abiomebase) {
106 double d0 = 0.03125D;
107
108 this.r = this.n.a(this.r, (double) (i * 16), (double) (j * 16), 0.0D, 16, 16, 1, d0, d0, 1.0D);
109 this.s = this.n.a(this.s, (double) (i * 16), 109.0134D, (double) (j * 16), 16, 1, 16, d0, 1.0D, d0);
110 this.t = this.o.a(this.t, (double) (i * 16), (double) (j * 16), 0.0D, 16, 16, 1, d0 * 2.0D, d0 * 2.0D, d0 * 2.0D);
111
112 for (int k = 0; k < 16; ++k) {
113 for (int l = 0; l < 16; ++l) {
114 BiomeBase biomebase = abiomebase[k + l * 16];
115 int i1 = (int) (this.t[k + l * 16] / 3.0D + 3.0D + this.j.nextDouble() * 0.25D);
116 int j1 = -1;
117 byte b0 = biomebase.p;
118 byte b1 = biomebase.q;
119
120 for (int k1 = 127; k1 >= 0; --k1) {
121 int l1 = (l * 16 + k) * 128 + k1;
122 byte b2 = abyte[l1];
123
124 if (b2 == 0) {
125 j1 = -1;
126 } else if (b2 == Block.STONE.id) {
127 if (j1 == -1) {
128 if (i1 <= 0) {
129 b0 = 0;
130 b1 = (byte) Block.STONE.id;
131 }
132
133 j1 = i1;
134 if (k1 >= 0) {
135 abyte[l1] = b0;
136 } else {
137 abyte[l1] = b1;
138 }
139 } else if (j1 > 0) {
140 --j1;
141 abyte[l1] = b1;
142 if (j1 == 0 && b1 == Block.SAND.id) {
143 j1 = this.j.nextInt(4);
144 b1 = (byte) Block.SANDSTONE.id;
145 }
146 }
147 }
148 }
149 }
150 }
151 }
152
153 public Chunk getChunkAt(int i, int j) {
154 return this.getOrCreateChunk(i, j);
155 }
156
157 public Chunk getOrCreateChunk(int i, int j) {
158 this.j.setSeed((long) i * 341873128712L + (long) j * 132897987541L);
159 byte[] abyte = new byte['\u8000'];
160 Chunk chunk = new Chunk(this.p, abyte, i, j);
161
162 this.v = this.p.getWorldChunkManager().a(this.v, i * 16, j * 16, 16, 16);
163 double[] adouble = this.p.getWorldChunkManager().temperature;
164
165 this.a(i, j, abyte, this.v, adouble);
166 this.a(i, j, abyte, this.v);
167 this.u.a(this, this.p, i, j, abyte);
168 chunk.initLighting();
169 return chunk;
170 }
171
172 private double[] a(double[] adouble, int i, int j, int k, int l, int i1, int j1) {
173 if (adouble == null) {
174 adouble = new double[l * i1 * j1];
175 }
176
177 double d0 = 684.412D;
178 double d1 = 684.412D;
179 double[] adouble1 = this.p.getWorldChunkManager().temperature;
180 double[] adouble2 = this.p.getWorldChunkManager().rain;
181
182 this.g = this.a.a(this.g, i, k, l, j1, 1.121D, 1.121D, 0.5D);
183 this.h = this.b.a(this.h, i, k, l, j1, 200.0D, 200.0D, 0.5D);
184 d0 *= 2.0D;
185 this.d = this.m.a(this.d, (double) i, (double) j, (double) k, l, i1, j1, d0 / 80.0D, d1 / 160.0D, d0 / 80.0D);
186 this.e = this.k.a(this.e, (double) i, (double) j, (double) k, l, i1, j1, d0, d1, d0);
187 this.f = this.l.a(this.f, (double) i, (double) j, (double) k, l, i1, j1, d0, d1, d0);
188 int k1 = 0;
189 int l1 = 0;
190 int i2 = 16 / l;
191
192 for (int j2 = 0; j2 < l; ++j2) {
193 int k2 = j2 * i2 + i2 / 2;
194
195 for (int l2 = 0; l2 < j1; ++l2) {
196 int i3 = l2 * i2 + i2 / 2;
197 double d2 = adouble1[k2 * 16 + i3];
198 double d3 = adouble2[k2 * 16 + i3] * d2;
199 double d4 = 1.0D - d3;
200
201 d4 *= d4;
202 d4 *= d4;
203 d4 = 1.0D - d4;
204 double d5 = (this.g[l1] + 256.0D) / 512.0D;
205
206 d5 *= d4;
207 if (d5 > 1.0D) {
208 d5 = 1.0D;
209 }
210
211 double d6 = this.h[l1] / 8000.0D;
212
213 if (d6 < 0.0D) {
214 d6 = -d6 * 0.3D;
215 }
216
217 d6 = d6 * 3.0D - 2.0D;
218 if (d6 > 1.0D) {
219 d6 = 1.0D;
220 }
221
222 d6 /= 8.0D;
223 d6 = 0.0D;
224 if (d5 < 0.0D) {
225 d5 = 0.0D;
226 }
227
228 d5 += 0.5D;
229 d6 = d6 * (double) i1 / 16.0D;
230 ++l1;
231 double d7 = (double) i1 / 2.0D;
232
233 for (int j3 = 0; j3 < i1; ++j3) {
234 double d8 = 0.0D;
235 double d9 = ((double) j3 - d7) * 8.0D / d5;
236
237 if (d9 < 0.0D) {
238 d9 *= -1.0D;
239 }
240
241 double d10 = this.e[k1] / 512.0D;
242 double d11 = this.f[k1] / 512.0D;
243 double d12 = (this.d[k1] / 10.0D + 1.0D) / 2.0D;
244
245 if (d12 < 0.0D) {
246 d8 = d10;
247 } else if (d12 > 1.0D) {
248 d8 = d11;
249 } else {
250 d8 = d10 + (d11 - d10) * d12;
251 }
252
253 d8 -= 8.0D;
254 byte b0 = 32;
255 double d13;
256
257 if (j3 > i1 - b0) {
258 d13 = (double) ((float) (j3 - (i1 - b0)) / ((float) b0 - 1.0F));
259 d8 = d8 * (1.0D - d13) + -30.0D * d13;
260 }
261
262 b0 = 8;
263 if (j3 < b0) {
264 d13 = (double) ((float) (b0 - j3) / ((float) b0 - 1.0F));
265 d8 = d8 * (1.0D - d13) + -30.0D * d13;
266 }
267
268 adouble[k1] = d8;
269 ++k1;
270 }
271 }
272 }
273
274 return adouble;
275 }
276
277 public boolean isChunkLoaded(int i, int j) {
278 return true;
279 }
280
281 public void getChunkAt(IChunkProvider ichunkprovider, int i, int j) {
282 BlockSand.instaFall = true;
283 int k = i * 16;
284 int l = j * 16;
285 BiomeBase biomebase = this.p.getWorldChunkManager().getBiome(k + 16, l + 16);
286
287 this.j.setSeed(this.p.getSeed());
288 long i1 = this.j.nextLong() / 2L * 2L + 1L;
289 long j1 = this.j.nextLong() / 2L * 2L + 1L;
290
291 this.j.setSeed((long) i * i1 + (long) j * j1 ^ this.p.getSeed());
292 double d0 = 0.25D;
293 int k1;
294 int l1;
295 int i2;
296
297 if (this.j.nextInt(4) == 0) {
298 k1 = k + this.j.nextInt(16) + 8;
299 l1 = this.j.nextInt(128);
300 i2 = l + this.j.nextInt(16) + 8;
301 (new WorldGenLakes(Block.STATIONARY_WATER.id)).a(this.p, this.j, k1, l1, i2);
302 }
303
304 if (this.j.nextInt(8) == 0) {
305 k1 = k + this.j.nextInt(16) + 8;
306 l1 = this.j.nextInt(this.j.nextInt(120) + 8);
307 i2 = l + this.j.nextInt(16) + 8;
308 if (l1 < 64 || this.j.nextInt(10) == 0) {
309 (new WorldGenLakes(Block.STATIONARY_LAVA.id)).a(this.p, this.j, k1, l1, i2);
310 }
311 }
312
313 int j2;
314
315 for (k1 = 0; k1 < 8; ++k1) {
316 l1 = k + this.j.nextInt(16) + 8;
317 i2 = this.j.nextInt(128);
318 j2 = l + this.j.nextInt(16) + 8;
319 (new WorldGenDungeons()).a(this.p, this.j, l1, i2, j2);
320 }
321
322 for (k1 = 0; k1 < 10; ++k1) {
323 l1 = k + this.j.nextInt(16);
324 i2 = this.j.nextInt(128);
325 j2 = l + this.j.nextInt(16);
326 (new WorldGenClay(32)).a(this.p, this.j, l1, i2, j2);
327 }
328
329 for (k1 = 0; k1 < 20; ++k1) {
330 l1 = k + this.j.nextInt(16);
331 i2 = this.j.nextInt(128);
332 j2 = l + this.j.nextInt(16);
333 (new WorldGenMinable(Block.DIRT.id, 32)).a(this.p, this.j, l1, i2, j2);
334 }
335
336 for (k1 = 0; k1 < 10; ++k1) {
337 l1 = k + this.j.nextInt(16);
338 i2 = this.j.nextInt(128);
339 j2 = l + this.j.nextInt(16);
340 (new WorldGenMinable(Block.GRAVEL.id, 32)).a(this.p, this.j, l1, i2, j2);
341 }
342
343 for (k1 = 0; k1 < 20; ++k1) {
344 l1 = k + this.j.nextInt(16);
345 i2 = this.j.nextInt(128);
346 j2 = l + this.j.nextInt(16);
347 (new WorldGenMinable(Block.COAL_ORE.id, 16)).a(this.p, this.j, l1, i2, j2);
348 }
349
350 for (k1 = 0; k1 < 20; ++k1) {
351 l1 = k + this.j.nextInt(16);
352 i2 = this.j.nextInt(64);
353 j2 = l + this.j.nextInt(16);
354 (new WorldGenMinable(Block.IRON_ORE.id, 8)).a(this.p, this.j, l1, i2, j2);
355 }
356
357 for (k1 = 0; k1 < 2; ++k1) {
358 l1 = k + this.j.nextInt(16);
359 i2 = this.j.nextInt(32);
360 j2 = l + this.j.nextInt(16);
361 (new WorldGenMinable(Block.GOLD_ORE.id, 8)).a(this.p, this.j, l1, i2, j2);
362 }
363
364 for (k1 = 0; k1 < 8; ++k1) {
365 l1 = k + this.j.nextInt(16);
366 i2 = this.j.nextInt(16);
367 j2 = l + this.j.nextInt(16);
368 (new WorldGenMinable(Block.REDSTONE_ORE.id, 7)).a(this.p, this.j, l1, i2, j2);
369 }
370
371 for (k1 = 0; k1 < 1; ++k1) {
372 l1 = k + this.j.nextInt(16);
373 i2 = this.j.nextInt(16);
374 j2 = l + this.j.nextInt(16);
375 (new WorldGenMinable(Block.DIAMOND_ORE.id, 7)).a(this.p, this.j, l1, i2, j2);
376 }
377
378 for (k1 = 0; k1 < 1; ++k1) {
379 l1 = k + this.j.nextInt(16);
380 i2 = this.j.nextInt(16) + this.j.nextInt(16);
381 j2 = l + this.j.nextInt(16);
382 (new WorldGenMinable(Block.LAPIS_ORE.id, 6)).a(this.p, this.j, l1, i2, j2);
383 }
384
385 d0 = 0.5D;
386 k1 = (int) ((this.c.a((double) k * d0, (double) l * d0) / 8.0D + this.j.nextDouble() * 4.0D + 4.0D) / 3.0D);
387 l1 = 0;
388 if (this.j.nextInt(10) == 0) {
389 ++l1;
390 }
391
392 if (biomebase == BiomeBase.FOREST) {
393 l1 += k1 + 5;
394 }
395
396 if (biomebase == BiomeBase.RAINFOREST) {
397 l1 += k1 + 5;
398 }
399
400 if (biomebase == BiomeBase.SEASONAL_FOREST) {
401 l1 += k1 + 2;
402 }
403
404 if (biomebase == BiomeBase.TAIGA) {
405 l1 += k1 + 5;
406 }
407
408 if (biomebase == BiomeBase.DESERT) {
409 l1 -= 20;
410 }
411
412 if (biomebase == BiomeBase.TUNDRA) {
413 l1 -= 20;
414 }
415
416 if (biomebase == BiomeBase.PLAINS) {
417 l1 -= 20;
418 }
419
420 int k2;
421
422 for (i2 = 0; i2 < l1; ++i2) {
423 j2 = k + this.j.nextInt(16) + 8;
424 k2 = l + this.j.nextInt(16) + 8;
425 WorldGenerator worldgenerator = biomebase.a(this.j);
426
427 worldgenerator.a(1.0D, 1.0D, 1.0D);
428 worldgenerator.a(this.p, this.j, j2, this.p.getHighestBlockYAt(j2, k2), k2);
429 }
430
431 int l2;
432
433 for (i2 = 0; i2 < 2; ++i2) {
434 j2 = k + this.j.nextInt(16) + 8;
435 k2 = this.j.nextInt(128);
436 l2 = l + this.j.nextInt(16) + 8;
437 (new WorldGenFlowers(Block.YELLOW_FLOWER.id)).a(this.p, this.j, j2, k2, l2);
438 }
439
440 if (this.j.nextInt(2) == 0) {
441 i2 = k + this.j.nextInt(16) + 8;
442 j2 = this.j.nextInt(128);
443 k2 = l + this.j.nextInt(16) + 8;
444 (new WorldGenFlowers(Block.RED_ROSE.id)).a(this.p, this.j, i2, j2, k2);
445 }
446
447 if (this.j.nextInt(4) == 0) {
448 i2 = k + this.j.nextInt(16) + 8;
449 j2 = this.j.nextInt(128);
450 k2 = l + this.j.nextInt(16) + 8;
451 (new WorldGenFlowers(Block.BROWN_MUSHROOM.id)).a(this.p, this.j, i2, j2, k2);
452 }
453
454 if (this.j.nextInt(8) == 0) {
455 i2 = k + this.j.nextInt(16) + 8;
456 j2 = this.j.nextInt(128);
457 k2 = l + this.j.nextInt(16) + 8;
458 (new WorldGenFlowers(Block.RED_MUSHROOM.id)).a(this.p, this.j, i2, j2, k2);
459 }
460
461 for (i2 = 0; i2 < 10; ++i2) {
462 j2 = k + this.j.nextInt(16) + 8;
463 k2 = this.j.nextInt(128);
464 l2 = l + this.j.nextInt(16) + 8;
465 (new WorldGenReed()).a(this.p, this.j, j2, k2, l2);
466 }
467
468 if (this.j.nextInt(32) == 0) {
469 i2 = k + this.j.nextInt(16) + 8;
470 j2 = this.j.nextInt(128);
471 k2 = l + this.j.nextInt(16) + 8;
472 (new WorldGenPumpkin()).a(this.p, this.j, i2, j2, k2);
473 }
474
475 i2 = 0;
476 if (biomebase == BiomeBase.DESERT) {
477 i2 += 10;
478 }
479
480 int i3;
481
482 for (j2 = 0; j2 < i2; ++j2) {
483 k2 = k + this.j.nextInt(16) + 8;
484 l2 = this.j.nextInt(128);
485 i3 = l + this.j.nextInt(16) + 8;
486 (new WorldGenCactus()).a(this.p, this.j, k2, l2, i3);
487 }
488
489 for (j2 = 0; j2 < 50; ++j2) {
490 k2 = k + this.j.nextInt(16) + 8;
491 l2 = this.j.nextInt(this.j.nextInt(120) + 8);
492 i3 = l + this.j.nextInt(16) + 8;
493 (new WorldGenLiquids(Block.WATER.id)).a(this.p, this.j, k2, l2, i3);
494 }
495
496 for (j2 = 0; j2 < 20; ++j2) {
497 k2 = k + this.j.nextInt(16) + 8;
498 l2 = this.j.nextInt(this.j.nextInt(this.j.nextInt(112) + 8) + 8);
499 i3 = l + this.j.nextInt(16) + 8;
500 (new WorldGenLiquids(Block.LAVA.id)).a(this.p, this.j, k2, l2, i3);
501 }
502
503 this.w = this.p.getWorldChunkManager().a(this.w, k + 8, l + 8, 16, 16);
504
505 for (j2 = k + 8; j2 < k + 8 + 16; ++j2) {
506 for (k2 = l + 8; k2 < l + 8 + 16; ++k2) {
507 l2 = j2 - (k + 8);
508 i3 = k2 - (l + 8);
509 int j3 = this.p.e(j2, k2);
510 double d1 = this.w[l2 * 16 + i3] - (double) (j3 - 64) / 64.0D * 0.3D;
511
512 if (d1 < 0.5D && j3 > 0 && j3 < 128 && this.p.isEmpty(j2, j3, k2) && this.p.getMaterial(j2, j3 - 1, k2).isSolid() && this.p.getMaterial(j2, j3 - 1, k2) != Material.ICE) {
513 this.p.setTypeId(j2, j3, k2, Block.SNOW.id);
514 }
515 }
516 }
517
518 BlockSand.instaFall = false;
519 }
520
521 public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
522 return true;
523 }
524
525 public boolean unloadChunks() {
526 return false;
527 }
528
529 public boolean canSave() {
530 return true;
531 }
532}