From 0592b334f670a26bf67a4930365a9efd39f50456 Mon Sep 17 00:00:00 2001 From: Ben64 Date: Wed, 9 Feb 2011 00:50:00 -0800 Subject: [PATCH] Terrain generation bugfix (will also be in Mojang 1.3) --- .../server/ChunkProviderGenerate.java | 567 ++++++++++++++++++ 1 file changed, 567 insertions(+) create mode 100644 src/main/java/net/minecraft/server/ChunkProviderGenerate.java diff --git a/src/main/java/net/minecraft/server/ChunkProviderGenerate.java b/src/main/java/net/minecraft/server/ChunkProviderGenerate.java new file mode 100644 index 0000000000..a1987ce325 --- /dev/null +++ b/src/main/java/net/minecraft/server/ChunkProviderGenerate.java @@ -0,0 +1,567 @@ +package net.minecraft.server; + +import java.util.Random; + +public class ChunkProviderGenerate implements IChunkProvider { + + private Random j; + private NoiseGeneratorOctaves k; + private NoiseGeneratorOctaves l; + private NoiseGeneratorOctaves m; + private NoiseGeneratorOctaves n; + private NoiseGeneratorOctaves o; + public NoiseGeneratorOctaves a; + public NoiseGeneratorOctaves b; + public NoiseGeneratorOctaves c; + private World p; + private double[] q; + private double[] r = new double[256]; + private double[] s = new double[256]; + private double[] t = new double[256]; + private MapGenBase u = new MapGenCaves(); + private BiomeBase[] v; + double[] d; + double[] e; + double[] f; + double[] g; + double[] h; + int[][] i = new int[32][32]; + private double[] w; + + public ChunkProviderGenerate(World world, long i) { + this.p = world; + this.j = new Random(i); + this.k = new NoiseGeneratorOctaves(this.j, 16); + this.l = new NoiseGeneratorOctaves(this.j, 16); + this.m = new NoiseGeneratorOctaves(this.j, 8); + this.n = new NoiseGeneratorOctaves(this.j, 4); + this.o = new NoiseGeneratorOctaves(this.j, 4); + this.a = new NoiseGeneratorOctaves(this.j, 10); + this.b = new NoiseGeneratorOctaves(this.j, 16); + this.c = new NoiseGeneratorOctaves(this.j, 8); + } + + public void a(int i, int j, byte[] abyte, BiomeBase[] abiomebase, double[] adouble) { + byte b0 = 4; + byte b1 = 64; + int k = b0 + 1; + byte b2 = 17; + int l = b0 + 1; + + this.q = this.a(this.q, i * b0, 0, j * b0, k, b2, l); + + for (int i1 = 0; i1 < b0; ++i1) { + for (int j1 = 0; j1 < b0; ++j1) { + for (int k1 = 0; k1 < 16; ++k1) { + double d0 = 0.125D; + double d1 = this.q[((i1 + 0) * l + j1 + 0) * b2 + k1 + 0]; + double d2 = this.q[((i1 + 0) * l + j1 + 1) * b2 + k1 + 0]; + double d3 = this.q[((i1 + 1) * l + j1 + 0) * b2 + k1 + 0]; + double d4 = this.q[((i1 + 1) * l + j1 + 1) * b2 + k1 + 0]; + double d5 = (this.q[((i1 + 0) * l + j1 + 0) * b2 + k1 + 1] - d1) * d0; + double d6 = (this.q[((i1 + 0) * l + j1 + 1) * b2 + k1 + 1] - d2) * d0; + double d7 = (this.q[((i1 + 1) * l + j1 + 0) * b2 + k1 + 1] - d3) * d0; + double d8 = (this.q[((i1 + 1) * l + j1 + 1) * b2 + k1 + 1] - d4) * d0; + + for (int l1 = 0; l1 < 8; ++l1) { + double d9 = 0.25D; + double d10 = d1; + double d11 = d2; + double d12 = (d3 - d1) * d9; + double d13 = (d4 - d2) * d9; + + for (int i2 = 0; i2 < 4; ++i2) { + int j2 = i2 + i1 * 4 << 11 | 0 + j1 * 4 << 7 | k1 * 8 + l1; + short short1 = 128; + double d14 = 0.25D; + double d15 = d10; + double d16 = (d11 - d10) * d14; + + for (int k2 = 0; k2 < 4; ++k2) { + double d17 = adouble[(i1 * 4 + i2) * 16 + j1 * 4 + k2]; + int l2 = 0; + + if (k1 * 8 + l1 < b1) { + if (d17 < 0.5D && k1 * 8 + l1 >= b1 - 1) { + l2 = Block.ICE.id; + } else { + l2 = Block.STATIONARY_WATER.id; + } + } + + if (d15 > 0.0D) { + l2 = Block.STONE.id; + } + + abyte[j2] = (byte) l2; + j2 += short1; + d15 += d16; + } + + d10 += d12; + d11 += d13; + } + + d1 += d5; + d2 += d6; + d3 += d7; + d4 += d8; + } + } + } + } + } + + public void a(int i, int j, byte[] abyte, BiomeBase[] abiomebase) { + byte b0 = 64; + double d0 = 0.03125D; + + this.r = this.n.a(this.r, (double) (i * 16), (double) (j * 16), 0.0D, 16, 16, 1, d0, d0, 1.0D); + this.s = this.n.a(this.s, (double) (i * 16), 109.0134D, (double) (j * 16), 16, 1, 16, d0, 1.0D, d0); // CraftBukkit -- i & j swapped. + 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); + + for (int k = 0; k < 16; ++k) { + for (int l = 0; l < 16; ++l) { + BiomeBase biomebase = abiomebase[k + l * 16]; + boolean flag = this.r[k + l * 16] + this.j.nextDouble() * 0.2D > 0.0D; + boolean flag1 = this.s[k + l * 16] + this.j.nextDouble() * 0.2D > 3.0D; + int i1 = (int) (this.t[k + l * 16] / 3.0D + 3.0D + this.j.nextDouble() * 0.25D); + int j1 = -1; + byte b1 = biomebase.o; + byte b2 = biomebase.p; + + for (int k1 = 127; k1 >= 0; --k1) { + int l1 = (k + l * 16) * 128 + k1; // CraftBukkit (k*16+l) -> (k+l*16) + + if (k1 <= 0 + this.j.nextInt(5)) { + abyte[l1] = (byte) Block.BEDROCK.id; + } else { + byte b3 = abyte[l1]; + + if (b3 == 0) { + j1 = -1; + } else if (b3 == Block.STONE.id) { + if (j1 == -1) { + if (i1 <= 0) { + b1 = 0; + b2 = (byte) Block.STONE.id; + } else if (k1 >= b0 - 4 && k1 <= b0 + 1) { + b1 = biomebase.o; + b2 = biomebase.p; + if (flag1) { + b1 = 0; + } + + if (flag1) { + b2 = (byte) Block.GRAVEL.id; + } + + if (flag) { + b1 = (byte) Block.SAND.id; + } + + if (flag) { + b2 = (byte) Block.SAND.id; + } + } + + if (k1 < b0 && b1 == 0) { + b1 = (byte) Block.STATIONARY_WATER.id; + } + + j1 = i1; + if (k1 >= b0 - 1) { + abyte[l1] = b1; + } else { + abyte[l1] = b2; + } + } else if (j1 > 0) { + --j1; + abyte[l1] = b2; + } + } + } + } + } + } + } + + public Chunk b(int i, int j) { + this.j.setSeed((long) i * 341873128712L + (long) j * 132897987541L); + byte[] abyte = new byte['\u8000']; + Chunk chunk = new Chunk(this.p, abyte, i, j); + + this.v = this.p.a().a(this.v, i * 16, j * 16, 16, 16); + double[] adouble = this.p.a().a; + + this.a(i, j, abyte, this.v, adouble); + this.a(i, j, abyte, this.v); + this.u.a(this, this.p, i, j, abyte); + chunk.b(); + return chunk; + } + + private double[] a(double[] adouble, int i, int j, int k, int l, int i1, int j1) { + if (adouble == null) { + adouble = new double[l * i1 * j1]; + } + + double d0 = 684.412D; + double d1 = 684.412D; + double[] adouble1 = this.p.a().a; + double[] adouble2 = this.p.a().b; + + this.g = this.a.a(this.g, i, k, l, j1, 1.121D, 1.121D, 0.5D); + this.h = this.b.a(this.h, i, k, l, j1, 200.0D, 200.0D, 0.5D); + 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); + this.e = this.k.a(this.e, (double) i, (double) j, (double) k, l, i1, j1, d0, d1, d0); + this.f = this.l.a(this.f, (double) i, (double) j, (double) k, l, i1, j1, d0, d1, d0); + int k1 = 0; + int l1 = 0; + int i2 = 16 / l; + + for (int j2 = 0; j2 < l; ++j2) { + int k2 = j2 * i2 + i2 / 2; + + for (int l2 = 0; l2 < j1; ++l2) { + int i3 = l2 * i2 + i2 / 2; + double d2 = adouble1[k2 * 16 + i3]; + double d3 = adouble2[k2 * 16 + i3] * d2; + double d4 = 1.0D - d3; + + d4 *= d4; + d4 *= d4; + d4 = 1.0D - d4; + double d5 = (this.g[l1] + 256.0D) / 512.0D; + + d5 *= d4; + if (d5 > 1.0D) { + d5 = 1.0D; + } + + double d6 = this.h[l1] / 8000.0D; + + if (d6 < 0.0D) { + d6 = -d6 * 0.3D; + } + + d6 = d6 * 3.0D - 2.0D; + if (d6 < 0.0D) { + d6 /= 2.0D; + if (d6 < -1.0D) { + d6 = -1.0D; + } + + d6 /= 1.4D; + d6 /= 2.0D; + d5 = 0.0D; + } else { + if (d6 > 1.0D) { + d6 = 1.0D; + } + + d6 /= 8.0D; + } + + if (d5 < 0.0D) { + d5 = 0.0D; + } + + d5 += 0.5D; + d6 = d6 * (double) i1 / 16.0D; + double d7 = (double) i1 / 2.0D + d6 * 4.0D; + + ++l1; + + for (int j3 = 0; j3 < i1; ++j3) { + double d8 = 0.0D; + double d9 = ((double) j3 - d7) * 12.0D / d5; + + if (d9 < 0.0D) { + d9 *= 4.0D; + } + + double d10 = this.e[k1] / 512.0D; + double d11 = this.f[k1] / 512.0D; + double d12 = (this.d[k1] / 10.0D + 1.0D) / 2.0D; + + if (d12 < 0.0D) { + d8 = d10; + } else if (d12 > 1.0D) { + d8 = d11; + } else { + d8 = d10 + (d11 - d10) * d12; + } + + d8 -= d9; + if (j3 > i1 - 4) { + double d13 = (double) ((float) (j3 - (i1 - 4)) / 3.0F); + + d8 = d8 * (1.0D - d13) + -10.0D * d13; + } + + adouble[k1] = d8; + ++k1; + } + } + } + + return adouble; + } + + public boolean a(int i, int j) { + return true; + } + + public void a(IChunkProvider ichunkprovider, int i, int j) { + BlockSand.a = true; + int k = i * 16; + int l = j * 16; + BiomeBase biomebase = this.p.a().a(k + 16, l + 16); + + this.j.setSeed(this.p.u); + long i1 = this.j.nextLong() / 2L * 2L + 1L; + long j1 = this.j.nextLong() / 2L * 2L + 1L; + + this.j.setSeed((long) i * i1 + (long) j * j1 ^ this.p.u); + double d0 = 0.25D; + int k1; + int l1; + int i2; + + if (this.j.nextInt(4) == 0) { + k1 = k + this.j.nextInt(16) + 8; + l1 = this.j.nextInt(128); + i2 = l + this.j.nextInt(16) + 8; + (new WorldGenLakes(Block.STATIONARY_WATER.id)).a(this.p, this.j, k1, l1, i2); + } + + if (this.j.nextInt(8) == 0) { + k1 = k + this.j.nextInt(16) + 8; + l1 = this.j.nextInt(this.j.nextInt(120) + 8); + i2 = l + this.j.nextInt(16) + 8; + if (l1 < 64 || this.j.nextInt(10) == 0) { + (new WorldGenLakes(Block.STATIONARY_LAVA.id)).a(this.p, this.j, k1, l1, i2); + } + } + + int j2; + + for (k1 = 0; k1 < 8; ++k1) { + l1 = k + this.j.nextInt(16) + 8; + i2 = this.j.nextInt(128); + j2 = l + this.j.nextInt(16) + 8; + (new WorldGenDungeons()).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 10; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(128); + j2 = l + this.j.nextInt(16); + (new WorldGenClay(32)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 20; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(128); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.DIRT.id, 32)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 10; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(128); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.GRAVEL.id, 32)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 20; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(128); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.COAL_ORE.id, 16)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 20; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(64); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.IRON_ORE.id, 8)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 2; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(32); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.GOLD_ORE.id, 8)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 8; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(16); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.REDSTONE_ORE.id, 7)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 1; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(16); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.DIAMOND_ORE.id, 7)).a(this.p, this.j, l1, i2, j2); + } + + for (k1 = 0; k1 < 1; ++k1) { + l1 = k + this.j.nextInt(16); + i2 = this.j.nextInt(16) + this.j.nextInt(16); + j2 = l + this.j.nextInt(16); + (new WorldGenMinable(Block.LAPIS_ORE.id, 6)).a(this.p, this.j, l1, i2, j2); + } + + d0 = 0.5D; + k1 = (int) ((this.c.a((double) k * d0, (double) l * d0) / 8.0D + this.j.nextDouble() * 4.0D + 4.0D) / 3.0D); + l1 = 0; + if (this.j.nextInt(10) == 0) { + ++l1; + } + + if (biomebase == BiomeBase.FOREST) { + l1 += k1 + 5; + } + + if (biomebase == BiomeBase.RAINFOREST) { + l1 += k1 + 5; + } + + if (biomebase == BiomeBase.SEASONAL_FOREST) { + l1 += k1 + 2; + } + + if (biomebase == BiomeBase.TAIGA) { + l1 += k1 + 5; + } + + if (biomebase == BiomeBase.DESERT) { + l1 -= 20; + } + + if (biomebase == BiomeBase.TUNDRA) { + l1 -= 20; + } + + if (biomebase == BiomeBase.PLAINS) { + l1 -= 20; + } + + int k2; + + for (i2 = 0; i2 < l1; ++i2) { + j2 = k + this.j.nextInt(16) + 8; + k2 = l + this.j.nextInt(16) + 8; + WorldGenerator worldgenerator = biomebase.a(this.j); + + worldgenerator.a(1.0D, 1.0D, 1.0D); + worldgenerator.a(this.p, this.j, j2, this.p.d(j2, k2), k2); + } + + int l2; + + for (i2 = 0; i2 < 2; ++i2) { + j2 = k + this.j.nextInt(16) + 8; + k2 = this.j.nextInt(128); + l2 = l + this.j.nextInt(16) + 8; + (new WorldGenFlowers(Block.YELLOW_FLOWER.id)).a(this.p, this.j, j2, k2, l2); + } + + if (this.j.nextInt(2) == 0) { + i2 = k + this.j.nextInt(16) + 8; + j2 = this.j.nextInt(128); + k2 = l + this.j.nextInt(16) + 8; + (new WorldGenFlowers(Block.RED_ROSE.id)).a(this.p, this.j, i2, j2, k2); + } + + if (this.j.nextInt(4) == 0) { + i2 = k + this.j.nextInt(16) + 8; + j2 = this.j.nextInt(128); + k2 = l + this.j.nextInt(16) + 8; + (new WorldGenFlowers(Block.BROWN_MUSHROOM.id)).a(this.p, this.j, i2, j2, k2); + } + + if (this.j.nextInt(8) == 0) { + i2 = k + this.j.nextInt(16) + 8; + j2 = this.j.nextInt(128); + k2 = l + this.j.nextInt(16) + 8; + (new WorldGenFlowers(Block.RED_MUSHROOM.id)).a(this.p, this.j, i2, j2, k2); + } + + for (i2 = 0; i2 < 10; ++i2) { + j2 = k + this.j.nextInt(16) + 8; + k2 = this.j.nextInt(128); + l2 = l + this.j.nextInt(16) + 8; + (new WorldGenReed()).a(this.p, this.j, j2, k2, l2); + } + + if (this.j.nextInt(32) == 0) { + i2 = k + this.j.nextInt(16) + 8; + j2 = this.j.nextInt(128); + k2 = l + this.j.nextInt(16) + 8; + (new WorldGenPumpkin()).a(this.p, this.j, i2, j2, k2); + } + + i2 = 0; + if (biomebase == BiomeBase.DESERT) { + i2 += 10; + } + + int i3; + + for (j2 = 0; j2 < i2; ++j2) { + k2 = k + this.j.nextInt(16) + 8; + l2 = this.j.nextInt(128); + i3 = l + this.j.nextInt(16) + 8; + (new WorldGenCactus()).a(this.p, this.j, k2, l2, i3); + } + + for (j2 = 0; j2 < 50; ++j2) { + k2 = k + this.j.nextInt(16) + 8; + l2 = this.j.nextInt(this.j.nextInt(120) + 8); + i3 = l + this.j.nextInt(16) + 8; + (new WorldGenLiquids(Block.WATER.id)).a(this.p, this.j, k2, l2, i3); + } + + for (j2 = 0; j2 < 20; ++j2) { + k2 = k + this.j.nextInt(16) + 8; + l2 = this.j.nextInt(this.j.nextInt(this.j.nextInt(112) + 8) + 8); + i3 = l + this.j.nextInt(16) + 8; + (new WorldGenLiquids(Block.LAVA.id)).a(this.p, this.j, k2, l2, i3); + } + + this.w = this.p.a().a(this.w, k + 8, l + 8, 16, 16); + + for (j2 = k + 8; j2 < k + 8 + 16; ++j2) { + for (k2 = l + 8; k2 < l + 8 + 16; ++k2) { + l2 = j2 - (k + 8); + i3 = k2 - (l + 8); + int j3 = this.p.e(j2, k2); + double d1 = this.w[l2 * 16 + i3] - (double) (j3 - 64) / 64.0D * 0.3D; + + 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) { + this.p.e(j2, j3, k2, Block.SNOW.id); + } + } + } + + BlockSand.a = false; + } + + public boolean a(boolean flag, IProgressUpdate iprogressupdate) { + return true; + } + + public boolean a() { + return false; + } + + public boolean b() { + return true; + } +}