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package net.minecraft.server;
import java.util.List;
import java.util.Random;
public class ChunkProviderFlat implements IChunkProvider {
private World a;
private Random b;
private final boolean c;
private WorldGenVillage d = new WorldGenVillage(1);
public ChunkProviderFlat(World world, long i, boolean flag) {
this.a = world;
this.c = flag;
this.b = new Random(i);
}
private void a(byte[] abyte) {
int i = abyte.length / 256;
for (int j = 0; j < 16; ++j) {
for (int k = 0; k < 16; ++k) {
for (int l = 0; l < i; ++l) {
int i1 = 0;
if (l == 0) {
i1 = Block.BEDROCK.id;
} else if (l <= 2) {
i1 = Block.DIRT.id;
} else if (l == 3) {
i1 = Block.GRASS.id;
}
abyte[j << 11 | k << 7 | l] = (byte) i1;
}
}
}
}
public Chunk getChunkAt(int i, int j) {
return this.getOrCreateChunk(i, j);
}
public Chunk getOrCreateChunk(int i, int j) {
byte[] abyte = new byte['\u8000'];
this.a(abyte);
Chunk chunk = new Chunk(this.a, abyte, i, j);
if (this.c) {
this.d.a(this, this.a, i, j, abyte);
}
// CraftBukkit start - prime biome data to prevent uninitialized values racing to client
BiomeBase[] bb = this.a.getWorldChunkManager().getBiomeBlock(null, i * 16, j * 16, 16, 16);
byte[] biomes = chunk.l();
for(int idx = 0; idx < biomes.length; idx++) {
biomes[idx] = (byte) bb[idx].id;
}
// CraftBukkit end
chunk.initLighting();
return chunk;
}
public boolean isChunkLoaded(int i, int j) {
return true;
}
public void getChunkAt(IChunkProvider ichunkprovider, int i, int j) {
this.b.setSeed(this.a.getSeed());
long k = this.b.nextLong() / 2L * 2L + 1L;
long l = this.b.nextLong() / 2L * 2L + 1L;
this.b.setSeed((long) i * k + (long) j * l ^ this.a.getSeed());
if (this.c) {
this.d.a(this.a, this.b, i, j);
}
}
public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
return true;
}
public boolean unloadChunks() {
return false;
}
public boolean canSave() {
return true;
}
public List getMobsFor(EnumCreatureType enumcreaturetype, int i, int j, int k) {
BiomeBase biomebase = this.a.getBiome(i, k);
return biomebase == null ? null : biomebase.getMobs(enumcreaturetype);
}
public ChunkPosition findNearestMapFeature(World world, String s, int i, int j, int k) {
return null;
}
}
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