package net.minecraft.server;
import java.util.List;
import java.util.Random;
import javax.annotation.Nullable;
public class ChunkProviderGenerate implements ChunkGenerator {
protected static final IBlockData a = Blocks.STONE.getBlockData();
private final Random i;
private final NoiseGeneratorOctaves j;
private final NoiseGeneratorOctaves k;
private final NoiseGeneratorOctaves l;
private final NoiseGenerator3 m;
public NoiseGeneratorOctaves b;
public NoiseGeneratorOctaves c;
public NoiseGeneratorOctaves d;
private final World n;
private final boolean o;
private final WorldType p;
private final double[] q;
private final float[] r;
private CustomWorldSettingsFinal s;
private IBlockData t;
private double[] u;
private final WorldGenBase v;
private final WorldGenStronghold w;
private final WorldGenVillage x;
private final WorldGenMineshaft y;
private final WorldGenLargeFeature z;
private final WorldGenBase A;
private final WorldGenMonument B;
private final WorldGenWoodlandMansion C;
private BiomeBase[] D;
double[] e;
double[] f;
double[] g;
double[] h;
public ChunkProviderGenerate(World world, long i, boolean flag, String s) {
this.t = Blocks.WATER.getBlockData();
this.u = new double[256];
this.v = new WorldGenCaves();
this.w = new WorldGenStronghold();
this.x = new WorldGenVillage();
this.y = new WorldGenMineshaft();
this.z = new WorldGenLargeFeature();
this.A = new WorldGenCanyon();
this.B = new WorldGenMonument();
this.C = new WorldGenWoodlandMansion(this);
this.n = world;
this.o = flag;
this.p = world.getWorldData().getType();
this.i = new Random(i);
this.j = new NoiseGeneratorOctaves(this.i, 16);
this.k = new NoiseGeneratorOctaves(this.i, 16);
this.l = new NoiseGeneratorOctaves(this.i, 8);
this.m = new NoiseGenerator3(this.i, 4);
this.b = new NoiseGeneratorOctaves(this.i, 10);
this.c = new NoiseGeneratorOctaves(this.i, 16);
this.d = new NoiseGeneratorOctaves(this.i, 8);
this.q = new double[825];
this.r = new float[25];
for (int j = -2; j <= 2; ++j) {
for (int k = -2; k <= 2; ++k) {
float f = 10.0F / MathHelper.c(j * j + k * k + 0.2F);
this.r[j + 2 + (k + 2) * 5] = f;
}
}
if (s != null) {
this.s = CustomWorldSettingsFinal.CustomWorldSettings.a(s).b();
this.t = this.s.F ? Blocks.LAVA.getBlockData() : Blocks.WATER.getBlockData();
world.b(this.s.q);
}
}
public void a(int i, int j, ChunkSnapshot chunksnapshot) {
this.D = this.n.getWorldChunkManager().getBiomes(this.D, i * 4 - 2, j * 4 - 2, 10, 10);
this.a(i * 4, 0, j * 4);
for (int k = 0; k < 4; ++k) {
int l = k * 5;
int i1 = (k + 1) * 5;
for (int j1 = 0; j1 < 4; ++j1) {
int k1 = (l + j1) * 33;
int l1 = (l + j1 + 1) * 33;
int i2 = (i1 + j1) * 33;
int j2 = (i1 + j1 + 1) * 33;
for (int k2 = 0; k2 < 32; ++k2) {
// double d0 = 0.125D;
double d1 = this.q[k1 + k2];
double d2 = this.q[l1 + k2];
double d3 = this.q[i2 + k2];
double d4 = this.q[j2 + k2];
double d5 = (this.q[k1 + k2 + 1] - d1) * 0.125D;
double d6 = (this.q[l1 + k2 + 1] - d2) * 0.125D;
double d7 = (this.q[i2 + k2 + 1] - d3) * 0.125D;
double d8 = (this.q[j2 + k2 + 1] - d4) * 0.125D;
for (int l2 = 0; l2 < 8; ++l2) {
// double d9 = 0.25D;
double d10 = d1;
double d11 = d2;
double d12 = (d3 - d1) * 0.25D;
double d13 = (d4 - d2) * 0.25D;
for (int i3 = 0; i3 < 4; ++i3) {
// double d14 = 0.25D;
double d15 = (d11 - d10) * 0.25D;
double d16 = d10 - d15;
for (int j3 = 0; j3 < 4; ++j3) {
if ((d16 += d15) > 0.0D) {
chunksnapshot.a(k * 4 + i3, k2 * 8 + l2, j1 * 4 + j3, ChunkProviderGenerate.a);
} else if (k2 * 8 + l2 < this.s.q) {
chunksnapshot.a(k * 4 + i3, k2 * 8 + l2, j1 * 4 + j3, this.t);
}
}
d10 += d12;
d11 += d13;
}
d1 += d5;
d2 += d6;
d3 += d7;
d4 += d8;
}
}
}
}
}
public void a(int i, int j, ChunkSnapshot chunksnapshot, BiomeBase[] abiomebase) {
// double d0 = 0.03125D;
this.u = this.m.a(this.u, i * 16, j * 16, 16, 16, 0.0625D, 0.0625D, 1.0D);
for (int k = 0; k < 16; ++k) {
for (int l = 0; l < 16; ++l) {
BiomeBase biomebase = abiomebase[l + k * 16];
biomebase.a(this.n, this.i, chunksnapshot, i * 16 + k, j * 16 + l, this.u[l + k * 16]);
}
}
}
@Override
public Chunk getOrCreateChunk(int i, int j) {
this.i.setSeed(i * 341873128712L + j * 132897987541L);
ChunkSnapshot chunksnapshot = new ChunkSnapshot();
this.a(i, j, chunksnapshot);
this.D = this.n.getWorldChunkManager().getBiomeBlock(this.D, i * 16, j * 16, 16, 16);
this.a(i, j, chunksnapshot, this.D);
if (this.s.r && this.n.paperConfig.generateCaves) { // Paper
this.v.a(this.n, i, j, chunksnapshot);
}
if (this.s.A && this.n.paperConfig.generateCanyon) { // Paper
this.A.a(this.n, i, j, chunksnapshot);
}
if (this.o) {
if (this.s.w && this.n.paperConfig.generateMineshaft) { // Paper
this.y.a(this.n, i, j, chunksnapshot);
}
if (this.s.v&& this.n.paperConfig.generateVillage) { // Paper
this.x.a(this.n, i, j, chunksnapshot);
}
if (this.s.u && this.n.paperConfig.generateStronghold) { // Paper
this.w.a(this.n, i, j, chunksnapshot);
}
if (this.s.x && this.n.paperConfig.generateTemple) { // Paper
this.z.a(this.n, i, j, chunksnapshot);
}
if (this.s.y && this.n.paperConfig.generateMonument) { // Paper
this.B.a(this.n, i, j, chunksnapshot);
}
if (this.s.z) {
this.C.a(this.n, i, j, chunksnapshot);
}
}
Chunk chunk = new Chunk(this.n, chunksnapshot, i, j);
byte[] abyte = chunk.getBiomeIndex();
for (int k = 0; k < abyte.length; ++k) {
abyte[k] = (byte) BiomeBase.a(this.D[k]);
}
chunk.initLighting();
return chunk;
}
private void a(int i, int j, int k) {
this.h = this.c.a(this.h, i, k, 5, 5, this.s.e, this.s.f, this.s.g);
float f = this.s.a;
float f1 = this.s.b;
this.e = this.l.a(this.e, i, j, k, 5, 33, 5, f / this.s.h, f1 / this.s.i, f / this.s.j);
this.f = this.j.a(this.f, i, j, k, 5, 33, 5, f, f1, f);
this.g = this.k.a(this.g, i, j, k, 5, 33, 5, f, f1, f);
int l = 0;
int i1 = 0;
for (int j1 = 0; j1 < 5; ++j1) {
for (int k1 = 0; k1 < 5; ++k1) {
float f2 = 0.0F;
float f3 = 0.0F;
float f4 = 0.0F;
// boolean flag = true;
BiomeBase biomebase = this.D[j1 + 2 + (k1 + 2) * 10];
for (int l1 = -2; l1 <= 2; ++l1) {
for (int i2 = -2; i2 <= 2; ++i2) {
BiomeBase biomebase1 = this.D[j1 + l1 + 2 + (k1 + i2 + 2) * 10];
float f5 = this.s.n + biomebase1.j() * this.s.m;
float f6 = this.s.p + biomebase1.m() * this.s.o;
if (this.p == WorldType.AMPLIFIED && f5 > 0.0F) {
f5 = 1.0F + f5 * 2.0F;
f6 = 1.0F + f6 * 4.0F;
}
if (f5 < -1.8F) f5 = -1.8F; // CraftBukkit - fix MC-54738
float f7 = this.r[l1 + 2 + (i2 + 2) * 5] / (f5 + 2.0F);
if (biomebase1.j() > biomebase.j()) {
f7 /= 2.0F;
}
f2 += f6 * f7;
f3 += f5 * f7;
f4 += f7;
}
}
f2 /= f4;
f3 /= f4;
f2 = f2 * 0.9F + 0.1F;
f3 = (f3 * 4.0F - 1.0F) / 8.0F;
double d0 = this.h[i1] / 8000.0D;
if (d0 < 0.0D) {
d0 = -d0 * 0.3D;
}
d0 = d0 * 3.0D - 2.0D;
if (d0 < 0.0D) {
d0 /= 2.0D;
if (d0 < -1.0D) {
d0 = -1.0D;
}
d0 /= 1.4D;
d0 /= 2.0D;
} else {
if (d0 > 1.0D) {
d0 = 1.0D;
}
d0 /= 8.0D;
}
++i1;
double d1 = f3;
double d2 = f2;
d1 += d0 * 0.2D;
d1 = d1 * this.s.k / 8.0D;
double d3 = this.s.k + d1 * 4.0D;
for (int j2 = 0; j2 < 33; ++j2) {
double d4 = (j2 - d3) * this.s.l * 128.0D / 256.0D / d2;
if (d4 < 0.0D) {
d4 *= 4.0D;
}
double d5 = this.f[l] / this.s.d;
double d6 = this.g[l] / this.s.c;
double d7 = (this.e[l] / 10.0D + 1.0D) / 2.0D;
double d8 = MathHelper.b(d5, d6, d7) - d4;
if (j2 > 29) {
double d9 = (j2 - 29) / 3.0F;
d8 = d8 * (1.0D - d9) + -10.0D * d9;
}
this.q[l] = d8;
++l;
}
}
}
}
@Override
public void recreateStructures(int i, int j) {
BlockFalling.instaFall = true;
int k = i * 16;
int l = j * 16;
BlockPosition blockposition = new BlockPosition(k, 0, l);
BiomeBase biomebase = this.n.getBiome(blockposition.a(16, 0, 16));
this.i.setSeed(this.n.getSeed());
long i1 = this.i.nextLong() / 2L * 2L + 1L;
long j1 = this.i.nextLong() / 2L * 2L + 1L;
this.i.setSeed(i * i1 + j * j1 ^ this.n.getSeed());
boolean flag = false;
ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
if (this.o) {
if (this.s.w && this.n.paperConfig.generateMineshaft) { // Paper
this.y.a(this.n, this.i, chunkcoordintpair);
}
if (this.s.v && this.n.paperConfig.generateVillage) { // Paper
flag = this.x.a(this.n, this.i, chunkcoordintpair);
}
if (this.s.u && this.n.paperConfig.generateStronghold) { // Paper
this.w.a(this.n, this.i, chunkcoordintpair);
}
if (this.s.x && this.n.paperConfig.generateTemple) { // Paper
this.z.a(this.n, this.i, chunkcoordintpair);
}
if (this.s.y && this.n.paperConfig.generateMonument) { // Paper
this.B.a(this.n, this.i, chunkcoordintpair);
}
if (this.s.z) {
this.C.a(this.n, this.i, chunkcoordintpair);
}
}
int k1;
int l1;
int i2;
if (biomebase != Biomes.d && biomebase != Biomes.s && this.s.B && !flag && this.i.nextInt(this.s.C) == 0) {
k1 = this.i.nextInt(16) + 8;
l1 = this.i.nextInt(256);
i2 = this.i.nextInt(16) + 8;
(new WorldGenLakes(Blocks.WATER)).generate(this.n, this.i, blockposition.a(k1, l1, i2));
}
if (!flag && this.i.nextInt(this.s.E / 10) == 0 && this.s.D) {
k1 = this.i.nextInt(16) + 8;
l1 = this.i.nextInt(this.i.nextInt(248) + 8);
i2 = this.i.nextInt(16) + 8;
if (l1 < this.n.K() || this.i.nextInt(this.s.E / 8) == 0) {
(new WorldGenLakes(Blocks.LAVA)).generate(this.n, this.i, blockposition.a(k1, l1, i2));
}
}
if (this.s.s && this.n.paperConfig.generateDungeon) { // Paper
for (k1 = 0; k1 < this.s.t; ++k1) {
l1 = this.i.nextInt(16) + 8;
i2 = this.i.nextInt(256);
int j2 = this.i.nextInt(16) + 8;
(new WorldGenDungeons()).generate(this.n, this.i, blockposition.a(l1, i2, j2));
}
}
biomebase.a(this.n, this.i, new BlockPosition(k, 0, l));
SpawnerCreature.a(this.n, biomebase, k + 8, l + 8, 16, 16, this.i);
blockposition = blockposition.a(8, 0, 8);
for (k1 = 0; k1 < 16; ++k1) {
for (l1 = 0; l1 < 16; ++l1) {
BlockPosition blockposition1 = this.n.p(blockposition.a(k1, 0, l1));
BlockPosition blockposition2 = blockposition1.down();
if (this.n.u(blockposition2)) {
this.n.setTypeAndData(blockposition2, Blocks.ICE.getBlockData(), 2);
}
if (this.n.f(blockposition1, true)) {
this.n.setTypeAndData(blockposition1, Blocks.SNOW_LAYER.getBlockData(), 2);
}
}
}
BlockFalling.instaFall = false;
}
@Override
public boolean a(Chunk chunk, int i, int j) {
boolean flag = false;
if (this.s.y && this.o && chunk.x() < 3600L) {
flag |= this.B.a(this.n, this.i, new ChunkCoordIntPair(i, j));
}
return flag;
}
@Override
public List<BiomeBase.BiomeMeta> getMobsFor(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
BiomeBase biomebase = this.n.getBiome(blockposition);
if (this.o) {
if (enumcreaturetype == EnumCreatureType.MONSTER && this.z.a(blockposition)) {
return this.z.b();
}
if (enumcreaturetype == EnumCreatureType.MONSTER && this.s.y && this.B.a(this.n, blockposition)) {
return this.B.b();
}
}
return biomebase.getMobs(enumcreaturetype);
}
@Override @Nullable
public BlockPosition findNearestMapFeature(World world, String s, BlockPosition blockposition, boolean flag) {
return !this.o ? null : ("Stronghold".equals(s) && this.w != null ? this.w.getNearestGeneratedFeature(world, blockposition, flag) : ("Mansion".equals(s) && this.C != null ? this.C.getNearestGeneratedFeature(world, blockposition, flag) : ("Monument".equals(s) && this.B != null ? this.B.getNearestGeneratedFeature(world, blockposition, flag) : ("Village".equals(s) && this.x != null ? this.x.getNearestGeneratedFeature(world, blockposition, flag) : ("Mineshaft".equals(s) && this.y != null ? this.y.getNearestGeneratedFeature(world, blockposition, flag) : ("Temple".equals(s) && this.z != null ? this.z.getNearestGeneratedFeature(world, blockposition, flag) : null))))));
}
@Override
public void recreateStructures(Chunk chunk, int i, int j) {
if (this.o) {
if (this.s.w && this.n.paperConfig.generateMineshaft) { // Paper
this.y.a(this.n, i, j, (ChunkSnapshot) null);
}
if (this.s.v && this.n.paperConfig.generateVillage) { // Paper
this.x.a(this.n, i, j, (ChunkSnapshot) null);
}
if (this.s.u && this.n.paperConfig.generateStronghold) { // Paper
this.w.a(this.n, i, j, (ChunkSnapshot) null);
}
if (this.s.x && this.n.paperConfig.generateTemple) { // Paper
this.z.a(this.n, i, j, (ChunkSnapshot) null);
}
if (this.s.y && this.n.paperConfig.generateMonument) { // Paper
this.B.a(this.n, i, j, (ChunkSnapshot) null);
}
if (this.s.z) {
this.C.a(this.n, i, j, (ChunkSnapshot) null);
}
}
}
}