/FileExtraction/Java_unseen/Wind-Development_WindSpigot/WindSpigot-Server/src/main/java/net/minecraft/server/ChunkProviderGenerate.java
package net.minecraft.server;

import ga.windpvp.windspigot.random.FastRandom;

import java.util.List;
import java.util.Random;

public class ChunkProviderGenerate implements IChunkProvider {

	private Random h;
	private NoiseGeneratorOctaves i;
	private NoiseGeneratorOctaves j;
	private NoiseGeneratorOctaves k;
	private NoiseGenerator3 l;
	public NoiseGeneratorOctaves a;
	public NoiseGeneratorOctaves b;
	public NoiseGeneratorOctaves c;
	private World m;
	private final boolean n;
	private WorldType o;
	private final double[] p;
	private final float[] q;
	private CustomWorldSettingsFinal r;
	private Block s;
	private double[] t;
	private WorldGenBase u;
	private WorldGenStronghold v;
	private WorldGenVillage w;
	private WorldGenMineshaft x;
	private WorldGenLargeFeature y;
	private WorldGenBase z;
	private WorldGenMonument A;
	private BiomeBase[] B;
	double[] d;
	double[] e;
	double[] f;
	double[] g;

	public ChunkProviderGenerate(World world, long i, boolean flag, String s) {
		this.s = Blocks.WATER;
		this.t = new double[256];
		this.u = new WorldGenCaves();
		this.v = new WorldGenStronghold();
		this.w = new WorldGenVillage();
		this.x = new WorldGenMineshaft();
		this.y = new WorldGenLargeFeature();
		this.z = new WorldGenCanyon();
		this.A = new WorldGenMonument();
		this.m = world;
		this.n = flag;
		this.o = world.getWorldData().getType();
		this.h = new FastRandom(i);
		this.i = new NoiseGeneratorOctaves(this.h, 16);
		this.j = new NoiseGeneratorOctaves(this.h, 16);
		this.k = new NoiseGeneratorOctaves(this.h, 8);
		this.l = new NoiseGenerator3(this.h, 4);
		this.a = new NoiseGeneratorOctaves(this.h, 10);
		this.b = new NoiseGeneratorOctaves(this.h, 16);
		this.c = new NoiseGeneratorOctaves(this.h, 8);
		this.p = new double[825];
		this.q = 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.q[j + 2 + (k + 2) * 5] = f;
			}
		}

		if (s != null) {
			this.r = CustomWorldSettingsFinal.CustomWorldSettings.a(s).b();
			this.s = this.r.E ? Blocks.LAVA : Blocks.WATER;
			world.b(this.r.q);
		}

	}

	public void a(int i, int j, ChunkSnapshot chunksnapshot) {
		this.B = this.m.getWorldChunkManager().getBiomes(this.B, 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.p[k1 + k2];
					double d2 = this.p[l1 + k2];
					double d3 = this.p[i2 + k2];
					double d4 = this.p[j2 + k2];
					double d5 = (this.p[k1 + k2 + 1] - d1) * d0;
					double d6 = (this.p[l1 + k2 + 1] - d2) * d0;
					double d7 = (this.p[i2 + k2 + 1] - d3) * d0;
					double d8 = (this.p[j2 + k2 + 1] - d4) * d0;

					for (int l2 = 0; l2 < 8; ++l2) {
						double d9 = 0.25D;
						double d10 = d1;
						double d11 = d2;
						double d12 = (d3 - d1) * d9;
						double d13 = (d4 - d2) * d9;

						for (int i3 = 0; i3 < 4; ++i3) {
							double d14 = 0.25D;
							double d15 = (d11 - d10) * d14;
							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, Blocks.STONE.getBlockData());
								} else if (k2 * 8 + l2 < this.r.q) {
									chunksnapshot.a(k * 4 + i3, k2 * 8 + l2, j1 * 4 + j3, this.s.getBlockData());
								}
							}

							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.t = this.l.a(this.t, i * 16, j * 16, 16, 16, d0 * 2.0D, d0 * 2.0D, 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.m, this.h, chunksnapshot, i * 16 + k, j * 16 + l, this.t[l + k * 16]);
			}
		}

	}

	@Override
	public Chunk getOrCreateChunk(int i, int j) {
		this.h.setSeed(i * 341873128712L + j * 132897987541L);
		ChunkSnapshot chunksnapshot = new ChunkSnapshot();

		this.a(i, j, chunksnapshot);
		this.B = this.m.getWorldChunkManager().getBiomeBlock(this.B, i * 16, j * 16, 16, 16);
		this.a(i, j, chunksnapshot, this.B);
		if (this.r.r && this.m.paperSpigotConfig.generateCaves) { // PaperSpigot
			this.u.a(this, this.m, i, j, chunksnapshot);
		}

		if (this.r.z && this.m.paperSpigotConfig.generateCanyon) { // PaperSpigot
			this.z.a(this, this.m, i, j, chunksnapshot);
		}

		if (this.r.w && this.n && this.m.paperSpigotConfig.generateMineshaft) { // PaperSpigot
			this.x.a(this, this.m, i, j, chunksnapshot);
		}

		if (this.r.v && this.n && this.m.paperSpigotConfig.generateVillage) { // PaperSpigot
			this.w.a(this, this.m, i, j, chunksnapshot);
		}

		if (this.r.u && this.n && this.m.paperSpigotConfig.generateStronghold) { // PaperSpigot
			this.v.a(this, this.m, i, j, chunksnapshot);
		}

		if (this.r.x && this.n && this.m.paperSpigotConfig.generateTemple) { // PaperSpigot
			this.y.a(this, this.m, i, j, chunksnapshot);
		}

		if (this.r.y && this.n && this.m.paperSpigotConfig.generateMonument) { // PaperSpigot
			this.A.a(this, this.m, i, j, chunksnapshot);
		}

		Chunk chunk = new Chunk(this.m, chunksnapshot, i, j);
		byte[] abyte = chunk.getBiomeIndex();

		for (int k = 0; k < abyte.length; ++k) {
			abyte[k] = (byte) this.B[k].id;
		}

		chunk.initLighting();
		return chunk;
	}

	private void a(int i, int j, int k) {
		this.g = this.b.a(this.g, i, k, 5, 5, this.r.e, this.r.f, this.r.g);
		float f = this.r.a;
		float f1 = this.r.b;

		this.d = this.k.a(this.d, i, j, k, 5, 33, 5, f / this.r.h, f1 / this.r.i, f / this.r.j);
		this.e = this.i.a(this.e, i, j, k, 5, 33, 5, f, f1, f);
		this.f = this.j.a(this.f, i, j, k, 5, 33, 5, f, f1, f);
		boolean flag = false;
		boolean flag1 = false;
		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;
				byte b0 = 2;
				BiomeBase biomebase = this.B[j1 + 2 + (k1 + 2) * 10];

				for (int l1 = -b0; l1 <= b0; ++l1) {
					for (int i2 = -b0; i2 <= b0; ++i2) {
						BiomeBase biomebase1 = this.B[j1 + l1 + 2 + (k1 + i2 + 2) * 10];
						float f5 = this.r.n + biomebase1.an * this.r.m;
						float f6 = this.r.p + biomebase1.ao * this.r.o;

						if (this.o == WorldType.AMPLIFIED && f5 > 0.0F) {
							f5 = 1.0F + f5 * 2.0F;
							f6 = 1.0F + f6 * 4.0F;
						}

						float f7 = this.q[l1 + 2 + (i2 + 2) * 5] / (f5 + 2.0F);

						if (biomebase1.an > biomebase.an) {
							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.g[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.r.k / 8.0D;
				double d3 = this.r.k + d1 * 4.0D;

				for (int j2 = 0; j2 < 33; ++j2) {
					double d4 = (j2 - d3) * this.r.l * 128.0D / 256.0D / d2;

					if (d4 < 0.0D) {
						d4 *= 4.0D;
					}

					double d5 = this.e[l] / this.r.d;
					double d6 = this.f[l] / this.r.c;
					double d7 = (this.d[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.p[l] = d8;
					++l;
				}
			}
		}

	}

	@Override
	public boolean isChunkLoaded(int i, int j) {
		return true;
	}

	@Override
	public void getChunkAt(IChunkProvider ichunkprovider, 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.m.getBiome(blockposition.a(16, 0, 16));

		this.h.setSeed(this.m.getSeed());
		long i1 = this.h.nextLong() / 2L * 2L + 1L;
		long j1 = this.h.nextLong() / 2L * 2L + 1L;

		this.h.setSeed(i * i1 + j * j1 ^ this.m.getSeed());
		boolean flag = false;
		ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);

		if (this.r.w && this.n && this.m.paperSpigotConfig.generateMineshaft) { // PaperSpigot
			this.x.a(this.m, this.h, chunkcoordintpair);
		}

		if (this.r.v && this.n && this.m.paperSpigotConfig.generateVillage) { // PaperSpigot
			flag = this.w.a(this.m, this.h, chunkcoordintpair);
		}

		if (this.r.u && this.n && this.m.paperSpigotConfig.generateStronghold) { // PaperSpigot
			this.v.a(this.m, this.h, chunkcoordintpair);
		}

		if (this.r.x && this.n && this.m.paperSpigotConfig.generateTemple) { // PaperSpigot
			this.y.a(this.m, this.h, chunkcoordintpair);
		}

		if (this.r.y && this.n && this.m.paperSpigotConfig.generateMonument) { // PaperSpigot
			this.A.a(this.m, this.h, chunkcoordintpair);
		}

		int k1;
		int l1;
		int i2;

		if (biomebase != BiomeBase.DESERT && biomebase != BiomeBase.DESERT_HILLS && this.r.A && !flag
				&& this.h.nextInt(this.r.B) == 0) {
			k1 = this.h.nextInt(16) + 8;
			l1 = this.h.nextInt(256);
			i2 = this.h.nextInt(16) + 8;
			(new WorldGenLakes(Blocks.WATER)).generate(this.m, this.h, blockposition.a(k1, l1, i2));
		}

		if (!flag && this.h.nextInt(this.r.D / 10) == 0 && this.r.C) {
			k1 = this.h.nextInt(16) + 8;
			l1 = this.h.nextInt(this.h.nextInt(248) + 8);
			i2 = this.h.nextInt(16) + 8;
			if (l1 < this.m.F() || this.h.nextInt(this.r.D / 8) == 0) {
				(new WorldGenLakes(Blocks.LAVA)).generate(this.m, this.h, blockposition.a(k1, l1, i2));
			}
		}

		if (this.r.s && this.m.paperSpigotConfig.generateDungeon) { // PaperSpigot
			for (k1 = 0; k1 < this.r.t; ++k1) {
				l1 = this.h.nextInt(16) + 8;
				i2 = this.h.nextInt(256);
				int j2 = this.h.nextInt(16) + 8;

				(new WorldGenDungeons()).generate(this.m, this.h, blockposition.a(l1, i2, j2));
			}
		}

		biomebase.a(this.m, this.h, new BlockPosition(k, 0, l));
		SpawnerCreature.a(this.m, biomebase, k + 8, l + 8, 16, 16, this.h);
		blockposition = blockposition.a(8, 0, 8);

		for (k1 = 0; k1 < 16; ++k1) {
			for (l1 = 0; l1 < 16; ++l1) {
				BlockPosition blockposition1 = this.m.q(blockposition.a(k1, 0, l1));
				BlockPosition blockposition2 = blockposition1.down();

				if (this.m.v(blockposition2)) {
					this.m.setTypeAndData(blockposition2, Blocks.ICE.getBlockData(), 2);
				}

				if (this.m.f(blockposition1, true)) {
					this.m.setTypeAndData(blockposition1, Blocks.SNOW_LAYER.getBlockData(), 2);
				}
			}
		}

		BlockFalling.instaFall = false;
	}

	@Override
	public boolean a(IChunkProvider ichunkprovider, Chunk chunk, int i, int j) {
		boolean flag = false;

		if (this.r.y && this.n && chunk.w() < 3600L) {
			flag |= this.A.a(this.m, this.h, new ChunkCoordIntPair(i, j));
		}

		return flag;
	}

	@Override
	public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
		return true;
	}

	@Override
	public void c() {
	}

	@Override
	public boolean unloadChunks() {
		return false;
	}

	@Override
	public boolean canSave() {
		return true;
	}

	@Override
	public String getName() {
		return "RandomLevelSource";
	}

	@Override
	public List<BiomeBase.BiomeMeta> getMobsFor(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
		BiomeBase biomebase = this.m.getBiome(blockposition);

		if (this.n) {
			if (enumcreaturetype == EnumCreatureType.MONSTER && this.y.a(blockposition)) {
				return this.y.b();
			}

			if (enumcreaturetype == EnumCreatureType.MONSTER && this.r.y && this.A.a(this.m, blockposition)) {
				return this.A.b();
			}
		}

		return biomebase.getMobs(enumcreaturetype);
	}

	@Override
	public BlockPosition findNearestMapFeature(World world, String s, BlockPosition blockposition) {
		return "Stronghold".equals(s) && this.v != null ? this.v.getNearestGeneratedFeature(world, blockposition)
				: null;
	}

	@Override
	public int getLoadedChunks() {
		return 0;
	}

	@Override
	public void recreateStructures(Chunk chunk, int i, int j) {
		if (this.r.w && this.n && this.m.paperSpigotConfig.generateMineshaft) { // PaperSpigot
			this.x.a(this, this.m, i, j, (ChunkSnapshot) null);
		}

		if (this.r.v && this.n && this.m.paperSpigotConfig.generateVillage) { // PaperSpigot
			this.w.a(this, this.m, i, j, (ChunkSnapshot) null);
		}

		if (this.r.u && this.n && this.m.paperSpigotConfig.generateStronghold) { // PaperSpigot
			this.v.a(this, this.m, i, j, (ChunkSnapshot) null);
		}

		if (this.r.x && this.n && this.m.paperSpigotConfig.generateTemple) { // PaperSpigot
			this.y.a(this, this.m, i, j, (ChunkSnapshot) null);
		}

		if (this.r.y && this.n && this.m.paperSpigotConfig.generateMonument) { // PaperSpigot
			this.A.a(this, this.m, i, j, (ChunkSnapshot) null);
		}

	}

	@Override
	public Chunk getChunkAt(BlockPosition blockposition) {
		return this.getOrCreateChunk(blockposition.getX() >> 4, blockposition.getZ() >> 4);
	}
}
