package net.minecraft.server; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Random; import java.util.concurrent.Callable; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.bukkit.Bukkit; // CraftBukkit public class Chunk { private static final Logger t = LogManager.getLogger(); public static boolean a; private ChunkSection[] sections; private byte[] v; public int[] b; public boolean[] c; public boolean d; public World world; public int[] heightMap; public final int locX; public final int locZ; private boolean w; public Map tileEntities; public List[] entitySlices; public boolean done; public boolean lit; public boolean m; public boolean n; public boolean o; public long p; public boolean q; public int r; public long s; private int x; public Chunk(World world, int i, int j) { this.sections = new ChunkSection[16]; this.v = new byte[256]; this.b = new int[256]; this.c = new boolean[256]; this.tileEntities = new HashMap(); this.x = 4096; this.entitySlices = new List[16]; this.world = world; this.locX = i; this.locZ = j; this.heightMap = new int[256]; for (int k = 0; k < this.entitySlices.length; ++k) { this.entitySlices[k] = new org.bukkit.craftbukkit.util.UnsafeList(); // CraftBukkit - ArrayList -> UnsafeList } Arrays.fill(this.b, -999); Arrays.fill(this.v, (byte) -1); // CraftBukkit start if (!(this instanceof EmptyChunk)) { this.bukkitChunk = new org.bukkit.craftbukkit.CraftChunk(this); } } public org.bukkit.Chunk bukkitChunk; public boolean mustSave; // CraftBukkit end public Chunk(World world, Block[] ablock, int i, int j) { this(world, i, j); int k = ablock.length / 256; boolean flag = !world.worldProvider.g; for (int l = 0; l < 16; ++l) { for (int i1 = 0; i1 < 16; ++i1) { for (int j1 = 0; j1 < k; ++j1) { Block block = ablock[l << 11 | i1 << 7 | j1]; if (block != null && block.getMaterial() != Material.AIR) { int k1 = j1 >> 4; if (this.sections[k1] == null) { this.sections[k1] = new ChunkSection(k1 << 4, flag); } this.sections[k1].setTypeId(l, j1 & 15, i1, block); } } } } } public Chunk(World world, Block[] ablock, byte[] abyte, int i, int j) { this(world, i, j); int k = ablock.length / 256; boolean flag = !world.worldProvider.g; for (int l = 0; l < 16; ++l) { for (int i1 = 0; i1 < 16; ++i1) { for (int j1 = 0; j1 < k; ++j1) { int k1 = l * k * 16 | i1 * k | j1; Block block = ablock[k1]; if (block != null && block != Blocks.AIR) { int l1 = j1 >> 4; if (this.sections[l1] == null) { this.sections[l1] = new ChunkSection(l1 << 4, flag); } this.sections[l1].setTypeId(l, j1 & 15, i1, block); this.sections[l1].setData(l, j1 & 15, i1, abyte[k1]); } } } } } public boolean a(int i, int j) { return i == this.locX && j == this.locZ; } public int b(int i, int j) { return this.heightMap[j << 4 | i]; } public int h() { for (int i = this.sections.length - 1; i >= 0; --i) { if (this.sections[i] != null) { return this.sections[i].getYPosition(); } } return 0; } public ChunkSection[] i() { return this.sections; } public void initLighting() { int i = this.h(); this.r = Integer.MAX_VALUE; for (int j = 0; j < 16; ++j) { int k = 0; while (k < 16) { this.b[j + (k << 4)] = -999; int l = i + 16 - 1; while (true) { if (l > 0) { if (this.b(j, l - 1, k) == 0) { --l; continue; } this.heightMap[k << 4 | j] = l; if (l < this.r) { this.r = l; } } if (!this.world.worldProvider.g) { l = 15; int i1 = i + 16 - 1; do { int j1 = this.b(j, i1, k); if (j1 == 0 && l != 15) { j1 = 1; } l -= j1; if (l > 0) { ChunkSection chunksection = this.sections[i1 >> 4]; if (chunksection != null) { chunksection.setSkyLight(j, i1 & 15, k, l); this.world.m((this.locX << 4) + j, i1, (this.locZ << 4) + k); } } --i1; } while (i1 > 0 && l > 0); } ++k; break; } } } this.n = true; } private void e(int i, int j) { this.c[i + j * 16] = true; this.w = true; } private void c(boolean flag) { this.world.methodProfiler.a("recheckGaps"); if (this.world.areChunksLoaded(this.locX * 16 + 8, 0, this.locZ * 16 + 8, 16)) { for (int i = 0; i < 16; ++i) { for (int j = 0; j < 16; ++j) { if (this.c[i + j * 16]) { this.c[i + j * 16] = false; int k = this.b(i, j); int l = this.locX * 16 + i; int i1 = this.locZ * 16 + j; int j1 = this.world.g(l - 1, i1); int k1 = this.world.g(l + 1, i1); int l1 = this.world.g(l, i1 - 1); int i2 = this.world.g(l, i1 + 1); if (k1 < j1) { j1 = k1; } if (l1 < j1) { j1 = l1; } if (i2 < j1) { j1 = i2; } this.g(l, i1, j1); this.g(l - 1, i1, k); this.g(l + 1, i1, k); this.g(l, i1 - 1, k); this.g(l, i1 + 1, k); if (flag) { this.world.methodProfiler.b(); return; } } } } this.w = false; } this.world.methodProfiler.b(); } private void g(int i, int j, int k) { int l = this.world.getHighestBlockYAt(i, j); if (l > k) { this.c(i, j, k, l + 1); } else if (l < k) { this.c(i, j, l, k + 1); } } private void c(int i, int j, int k, int l) { if (l > k && this.world.areChunksLoaded(i, 0, j, 16)) { for (int i1 = k; i1 < l; ++i1) { this.world.c(EnumSkyBlock.SKY, i, i1, j); } this.n = true; } } private void h(int i, int j, int k) { int l = this.heightMap[k << 4 | i] & 255; int i1 = l; if (j > l) { i1 = j; } while (i1 > 0 && this.b(i, i1 - 1, k) == 0) { --i1; } if (i1 != l) { this.world.b(i + this.locX * 16, k + this.locZ * 16, i1, l); this.heightMap[k << 4 | i] = i1; int j1 = this.locX * 16 + i; int k1 = this.locZ * 16 + k; int l1; int i2; if (!this.world.worldProvider.g) { ChunkSection chunksection; if (i1 < l) { for (l1 = i1; l1 < l; ++l1) { chunksection = this.sections[l1 >> 4]; if (chunksection != null) { chunksection.setSkyLight(i, l1 & 15, k, 15); this.world.m((this.locX << 4) + i, l1, (this.locZ << 4) + k); } } } else { for (l1 = l; l1 < i1; ++l1) { chunksection = this.sections[l1 >> 4]; if (chunksection != null) { chunksection.setSkyLight(i, l1 & 15, k, 0); this.world.m((this.locX << 4) + i, l1, (this.locZ << 4) + k); } } } l1 = 15; while (i1 > 0 && l1 > 0) { --i1; i2 = this.b(i, i1, k); if (i2 == 0) { i2 = 1; } l1 -= i2; if (l1 < 0) { l1 = 0; } ChunkSection chunksection1 = this.sections[i1 >> 4]; if (chunksection1 != null) { chunksection1.setSkyLight(i, i1 & 15, k, l1); } } } l1 = this.heightMap[k << 4 | i]; i2 = l; int j2 = l1; if (l1 < l) { i2 = l1; j2 = l; } if (l1 < this.r) { this.r = l1; } if (!this.world.worldProvider.g) { this.c(j1 - 1, k1, i2, j2); this.c(j1 + 1, k1, i2, j2); this.c(j1, k1 - 1, i2, j2); this.c(j1, k1 + 1, i2, j2); this.c(j1, k1, i2, j2); } this.n = true; } } public int b(int i, int j, int k) { return this.getType(i, j, k).k(); } public Block getType(int i, int j, int k) { Block block = Blocks.AIR; if (j >> 4 < this.sections.length) { ChunkSection chunksection = this.sections[j >> 4]; if (chunksection != null) { try { block = chunksection.getTypeId(i, j & 15, k); } catch (Throwable throwable) { CrashReport crashreport = CrashReport.a(throwable, "Getting block"); CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Block being got"); crashreportsystemdetails.a("Location", (Callable) (new CrashReportLocation(this, i, j, k))); throw new ReportedException(crashreport); } } } return block; } public int getData(int i, int j, int k) { if (j >> 4 >= this.sections.length) { return 0; } else { ChunkSection chunksection = this.sections[j >> 4]; return chunksection != null ? chunksection.getData(i, j & 15, k) : 0; } } public boolean a(int i, int j, int k, Block block, int l) { int i1 = k << 4 | i; if (j >= this.b[i1] - 1) { this.b[i1] = -999; } int j1 = this.heightMap[i1]; Block block1 = this.getType(i, j, k); int k1 = this.getData(i, j, k); if (block1 == block && k1 == l) { return false; } else { ChunkSection chunksection = this.sections[j >> 4]; boolean flag = false; if (chunksection == null) { if (block == Blocks.AIR) { return false; } chunksection = this.sections[j >> 4] = new ChunkSection(j >> 4 << 4, !this.world.worldProvider.g); flag = j >= j1; } int l1 = this.locX * 16 + i; int i2 = this.locZ * 16 + k; if (!this.world.isStatic) { block1.f(this.world, l1, j, i2, k1); } chunksection.setTypeId(i, j & 15, k, block); if (!this.world.isStatic) { block1.remove(this.world, l1, j, i2, block1, k1); } else if (block1 instanceof IContainer && block1 != block) { this.world.p(l1, j, i2); } if (chunksection.getTypeId(i, j & 15, k) != block) { return false; } else { chunksection.setData(i, j & 15, k, l); if (flag) { this.initLighting(); } else { int j2 = block.k(); int k2 = block1.k(); if (j2 > 0) { if (j >= j1) { this.h(i, j + 1, k); } } else if (j == j1 - 1) { this.h(i, j, k); } if (j2 != k2 && (j2 < k2 || this.getBrightness(EnumSkyBlock.SKY, i, j, k) > 0 || this.getBrightness(EnumSkyBlock.BLOCK, i, j, k) > 0)) { this.e(i, k); } } TileEntity tileentity; if (block1 instanceof IContainer) { tileentity = this.e(i, j, k); if (tileentity != null) { tileentity.u(); } } // CraftBukkit - Don't place while processing the BlockPlaceEvent, unless it's a BlockContainer if (!this.world.isStatic && (!this.world.callingPlaceEvent || (block instanceof BlockContainer))) { block.onPlace(this.world, l1, j, i2); } if (block instanceof IContainer) { // CraftBukkit start - Don't create tile entity if placement failed if (this.getType(i, j, k) != block) { return false; } // CraftBukkit end tileentity = this.e(i, j, k); if (tileentity == null) { tileentity = ((IContainer) block).a(this.world, l); this.world.setTileEntity(l1, j, i2, tileentity); } if (tileentity != null) { tileentity.u(); } } this.n = true; return true; } } } public boolean a(int i, int j, int k, int l) { ChunkSection chunksection = this.sections[j >> 4]; if (chunksection == null) { return false; } else { int i1 = chunksection.getData(i, j & 15, k); if (i1 == l) { return false; } else { this.n = true; chunksection.setData(i, j & 15, k, l); if (chunksection.getTypeId(i, j & 15, k) instanceof IContainer) { TileEntity tileentity = this.e(i, j, k); if (tileentity != null) { tileentity.u(); tileentity.g = l; } } return true; } } } public int getBrightness(EnumSkyBlock enumskyblock, int i, int j, int k) { ChunkSection chunksection = this.sections[j >> 4]; return chunksection == null ? (this.d(i, j, k) ? enumskyblock.c : 0) : (enumskyblock == EnumSkyBlock.SKY ? (this.world.worldProvider.g ? 0 : chunksection.getSkyLight(i, j & 15, k)) : (enumskyblock == EnumSkyBlock.BLOCK ? chunksection.getEmittedLight(i, j & 15, k) : enumskyblock.c)); } public void a(EnumSkyBlock enumskyblock, int i, int j, int k, int l) { ChunkSection chunksection = this.sections[j >> 4]; if (chunksection == null) { chunksection = this.sections[j >> 4] = new ChunkSection(j >> 4 << 4, !this.world.worldProvider.g); this.initLighting(); } this.n = true; if (enumskyblock == EnumSkyBlock.SKY) { if (!this.world.worldProvider.g) { chunksection.setSkyLight(i, j & 15, k, l); } } else if (enumskyblock == EnumSkyBlock.BLOCK) { chunksection.setEmittedLight(i, j & 15, k, l); } } public int b(int i, int j, int k, int l) { ChunkSection chunksection = this.sections[j >> 4]; if (chunksection == null) { return !this.world.worldProvider.g && l < EnumSkyBlock.SKY.c ? EnumSkyBlock.SKY.c - l : 0; } else { int i1 = this.world.worldProvider.g ? 0 : chunksection.getSkyLight(i, j & 15, k); if (i1 > 0) { a = true; } i1 -= l; int j1 = chunksection.getEmittedLight(i, j & 15, k); if (j1 > i1) { i1 = j1; } return i1; } } public void a(Entity entity) { this.o = true; int i = MathHelper.floor(entity.locX / 16.0D); int j = MathHelper.floor(entity.locZ / 16.0D); if (i != this.locX || j != this.locZ) { // CraftBukkit start Bukkit.getLogger().warning("Wrong location for " + entity + " in world '" + world.getWorld().getName() + "'!"); // t.error("Wrong location! " + entity); // Thread.dumpStack(); Bukkit.getLogger().warning("Entity is at " + entity.locX + "," + entity.locZ + " (chunk " + i + "," + j + ") but was stored in chunk " + this.locX + "," + this.locZ); // CraftBukkit end } int k = MathHelper.floor(entity.locY / 16.0D); if (k < 0) { k = 0; } if (k >= this.entitySlices.length) { k = this.entitySlices.length - 1; } entity.ah = true; entity.ai = this.locX; entity.aj = k; entity.ak = this.locZ; this.entitySlices[k].add(entity); } public void b(Entity entity) { this.a(entity, entity.aj); } public void a(Entity entity, int i) { if (i < 0) { i = 0; } if (i >= this.entitySlices.length) { i = this.entitySlices.length - 1; } this.entitySlices[i].remove(entity); } public boolean d(int i, int j, int k) { return j >= this.heightMap[k << 4 | i]; } public TileEntity e(int i, int j, int k) { ChunkPosition chunkposition = new ChunkPosition(i, j, k); TileEntity tileentity = (TileEntity) this.tileEntities.get(chunkposition); if (tileentity == null) { Block block = this.getType(i, j, k); if (!block.isTileEntity()) { return null; } tileentity = ((IContainer) block).a(this.world, this.getData(i, j, k)); this.world.setTileEntity(this.locX * 16 + i, j, this.locZ * 16 + k, tileentity); } if (tileentity != null && tileentity.r()) { this.tileEntities.remove(chunkposition); return null; } else { return tileentity; } } public void a(TileEntity tileentity) { int i = tileentity.x - this.locX * 16; int j = tileentity.y; int k = tileentity.z - this.locZ * 16; this.a(i, j, k, tileentity); if (this.d) { this.world.tileEntityList.add(tileentity); } } public void a(int i, int j, int k, TileEntity tileentity) { ChunkPosition chunkposition = new ChunkPosition(i, j, k); tileentity.a(this.world); tileentity.x = this.locX * 16 + i; tileentity.y = j; tileentity.z = this.locZ * 16 + k; if (this.getType(i, j, k) instanceof IContainer) { if (this.tileEntities.containsKey(chunkposition)) { ((TileEntity) this.tileEntities.get(chunkposition)).s(); } tileentity.t(); this.tileEntities.put(chunkposition, tileentity); // CraftBukkit start } else { System.out.println("Attempted to place a tile entity (" + tileentity + ") at " + tileentity.x + "," + tileentity.y + "," + tileentity.z + " (" + org.bukkit.Material.getMaterial(Block.b(getType(i, j, k))) + ") where there was no entity tile!"); System.out.println("Chunk coordinates: " + (this.locX * 16) + "," + (this.locZ * 16)); new Exception().printStackTrace(); // CraftBukkit end } } public void f(int i, int j, int k) { ChunkPosition chunkposition = new ChunkPosition(i, j, k); if (this.d) { TileEntity tileentity = (TileEntity) this.tileEntities.remove(chunkposition); if (tileentity != null) { tileentity.s(); } } } public void addEntities() { this.d = true; this.world.a(this.tileEntities.values()); for (int i = 0; i < this.entitySlices.length; ++i) { Iterator iterator = this.entitySlices[i].iterator(); while (iterator.hasNext()) { Entity entity = (Entity) iterator.next(); entity.X(); } this.world.a(this.entitySlices[i]); } } public void removeEntities() { this.d = false; Iterator iterator = this.tileEntities.values().iterator(); while (iterator.hasNext()) { TileEntity tileentity = (TileEntity) iterator.next(); this.world.a(tileentity); } for (int i = 0; i < this.entitySlices.length; ++i) { // CraftBukkit start java.util.Iterator iter = this.entitySlices[i].iterator(); while (iter.hasNext()) { Entity entity = (Entity) iter.next(); // Do not pass along players, as doing so can get them stuck outside of time. // (which for example disables inventory icon updates and prevents block breaking) if (entity instanceof EntityPlayer) { iter.remove(); } } // CraftBukkit end this.world.b(this.entitySlices[i]); } } public void e() { this.n = true; } public void a(Entity entity, AxisAlignedBB axisalignedbb, List list, IEntitySelector ientityselector) { int i = MathHelper.floor((axisalignedbb.b - 2.0D) / 16.0D); int j = MathHelper.floor((axisalignedbb.e + 2.0D) / 16.0D); i = MathHelper.a(i, 0, this.entitySlices.length - 1); j = MathHelper.a(j, 0, this.entitySlices.length - 1); for (int k = i; k <= j; ++k) { List list1 = this.entitySlices[k]; for (int l = 0; l < list1.size(); ++l) { Entity entity1 = (Entity) list1.get(l); if (entity1 != entity && entity1.boundingBox.b(axisalignedbb) && (ientityselector == null || ientityselector.a(entity1))) { list.add(entity1); Entity[] aentity = entity1.at(); if (aentity != null) { for (int i1 = 0; i1 < aentity.length; ++i1) { entity1 = aentity[i1]; if (entity1 != entity && entity1.boundingBox.b(axisalignedbb) && (ientityselector == null || ientityselector.a(entity1))) { list.add(entity1); } } } } } } } public void a(Class oclass, AxisAlignedBB axisalignedbb, List list, IEntitySelector ientityselector) { int i = MathHelper.floor((axisalignedbb.b - 2.0D) / 16.0D); int j = MathHelper.floor((axisalignedbb.e + 2.0D) / 16.0D); i = MathHelper.a(i, 0, this.entitySlices.length - 1); j = MathHelper.a(j, 0, this.entitySlices.length - 1); for (int k = i; k <= j; ++k) { List list1 = this.entitySlices[k]; for (int l = 0; l < list1.size(); ++l) { Entity entity = (Entity) list1.get(l); if (oclass.isAssignableFrom(entity.getClass()) && entity.boundingBox.b(axisalignedbb) && (ientityselector == null || ientityselector.a(entity))) { list.add(entity); } } } } public boolean a(boolean flag) { if (flag) { if (this.o && this.world.getTime() != this.p || this.n) { return true; } } else if (this.o && this.world.getTime() >= this.p + 600L) { return true; } return this.n; } public Random a(long i) { return new Random(this.world.getSeed() + (long) (this.locX * this.locX * 4987142) + (long) (this.locX * 5947611) + (long) (this.locZ * this.locZ) * 4392871L + (long) (this.locZ * 389711) ^ i); } public boolean isEmpty() { return false; } public void a(IChunkProvider ichunkprovider, IChunkProvider ichunkprovider1, int i, int j) { if (!this.done && ichunkprovider.isChunkLoaded(i + 1, j + 1) && ichunkprovider.isChunkLoaded(i, j + 1) && ichunkprovider.isChunkLoaded(i + 1, j)) { ichunkprovider.getChunkAt(ichunkprovider1, i, j); } if (ichunkprovider.isChunkLoaded(i - 1, j) && !ichunkprovider.getOrCreateChunk(i - 1, j).done && ichunkprovider.isChunkLoaded(i - 1, j + 1) && ichunkprovider.isChunkLoaded(i, j + 1) && ichunkprovider.isChunkLoaded(i - 1, j + 1)) { ichunkprovider.getChunkAt(ichunkprovider1, i - 1, j); } if (ichunkprovider.isChunkLoaded(i, j - 1) && !ichunkprovider.getOrCreateChunk(i, j - 1).done && ichunkprovider.isChunkLoaded(i + 1, j - 1) && ichunkprovider.isChunkLoaded(i + 1, j - 1) && ichunkprovider.isChunkLoaded(i + 1, j)) { ichunkprovider.getChunkAt(ichunkprovider1, i, j - 1); } if (ichunkprovider.isChunkLoaded(i - 1, j - 1) && !ichunkprovider.getOrCreateChunk(i - 1, j - 1).done && ichunkprovider.isChunkLoaded(i, j - 1) && ichunkprovider.isChunkLoaded(i - 1, j)) { ichunkprovider.getChunkAt(ichunkprovider1, i - 1, j - 1); } } public int d(int i, int j) { int k = i | j << 4; int l = this.b[k]; if (l == -999) { int i1 = this.h() + 15; l = -1; while (i1 > 0 && l == -1) { Block block = this.getType(i, i1, j); Material material = block.getMaterial(); if (!material.isSolid() && !material.isLiquid()) { --i1; } else { l = i1 + 1; } } this.b[k] = l; } return l; } public void b(boolean flag) { if (this.w && !this.world.worldProvider.g && !flag) { this.c(this.world.isStatic); } this.m = true; if (!this.lit && this.done) { this.p(); } } public boolean k() { return this.m && this.done && this.lit; } public ChunkCoordIntPair l() { return new ChunkCoordIntPair(this.locX, this.locZ); } public boolean c(int i, int j) { if (i < 0) { i = 0; } if (j >= 256) { j = 255; } for (int k = i; k <= j; k += 16) { ChunkSection chunksection = this.sections[k >> 4]; if (chunksection != null && !chunksection.isEmpty()) { return false; } } return true; } public void a(ChunkSection[] achunksection) { this.sections = achunksection; } public BiomeBase a(int i, int j, WorldChunkManager worldchunkmanager) { int k = this.v[j << 4 | i] & 255; if (k == 255) { BiomeBase biomebase = worldchunkmanager.getBiome((this.locX << 4) + i, (this.locZ << 4) + j); k = biomebase.id; this.v[j << 4 | i] = (byte) (k & 255); } return BiomeBase.getBiome(k) == null ? BiomeBase.PLAINS : BiomeBase.getBiome(k); } public byte[] m() { return this.v; } public void a(byte[] abyte) { this.v = abyte; } public void n() { this.x = 0; } public void o() { for (int i = 0; i < 8; ++i) { if (this.x >= 4096) { return; } int j = this.x % 16; int k = this.x / 16 % 16; int l = this.x / 256; ++this.x; int i1 = (this.locX << 4) + k; int j1 = (this.locZ << 4) + l; for (int k1 = 0; k1 < 16; ++k1) { int l1 = (j << 4) + k1; if (this.sections[j] == null && (k1 == 0 || k1 == 15 || k == 0 || k == 15 || l == 0 || l == 15) || this.sections[j] != null && this.sections[j].getTypeId(k, k1, l).getMaterial() == Material.AIR) { if (this.world.getType(i1, l1 - 1, j1).m() > 0) { this.world.t(i1, l1 - 1, j1); } if (this.world.getType(i1, l1 + 1, j1).m() > 0) { this.world.t(i1, l1 + 1, j1); } if (this.world.getType(i1 - 1, l1, j1).m() > 0) { this.world.t(i1 - 1, l1, j1); } if (this.world.getType(i1 + 1, l1, j1).m() > 0) { this.world.t(i1 + 1, l1, j1); } if (this.world.getType(i1, l1, j1 - 1).m() > 0) { this.world.t(i1, l1, j1 - 1); } if (this.world.getType(i1, l1, j1 + 1).m() > 0) { this.world.t(i1, l1, j1 + 1); } this.world.t(i1, l1, j1); } } } } public void p() { this.done = true; this.lit = true; if (!this.world.worldProvider.g) { if (this.world.b(this.locX * 16 - 1, 0, this.locZ * 16 - 1, this.locX * 16 + 1, 63, this.locZ * 16 + 1)) { for (int i = 0; i < 16; ++i) { for (int j = 0; j < 16; ++j) { if (!this.f(i, j)) { this.lit = false; break; } } } if (this.lit) { Chunk chunk = this.world.getChunkAtWorldCoords(this.locX * 16 - 1, this.locZ * 16); chunk.a(3); chunk = this.world.getChunkAtWorldCoords(this.locX * 16 + 16, this.locZ * 16); chunk.a(1); chunk = this.world.getChunkAtWorldCoords(this.locX * 16, this.locZ * 16 - 1); chunk.a(0); chunk = this.world.getChunkAtWorldCoords(this.locX * 16, this.locZ * 16 + 16); chunk.a(2); } } else { this.lit = false; } } } private void a(int i) { if (this.done) { int j; if (i == 3) { for (j = 0; j < 16; ++j) { this.f(15, j); } } else if (i == 1) { for (j = 0; j < 16; ++j) { this.f(0, j); } } else if (i == 0) { for (j = 0; j < 16; ++j) { this.f(j, 15); } } else if (i == 2) { for (j = 0; j < 16; ++j) { this.f(j, 0); } } } } private boolean f(int i, int j) { int k = this.h(); boolean flag = false; boolean flag1 = false; int l; for (l = k + 16 - 1; l > 63 || l > 0 && !flag1; --l) { int i1 = this.b(i, l, j); if (i1 == 255 && l < 63) { flag1 = true; } if (!flag && i1 > 0) { flag = true; } else if (flag && i1 == 0 && !this.world.t(this.locX * 16 + i, l, this.locZ * 16 + j)) { return false; } } for (; l > 0; --l) { if (this.getType(i, l, j).m() > 0) { this.world.t(this.locX * 16 + i, l, this.locZ * 16 + j); } } return true; } }