package net.minecraft.server; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; // CraftBukkit start import org.bukkit.Server; import org.bukkit.craftbukkit.CraftChunk; import org.bukkit.craftbukkit.CraftServer; import org.bukkit.craftbukkit.util.LongHashset; import org.bukkit.craftbukkit.util.LongHashtable; import org.bukkit.event.Event.Type; import org.bukkit.event.world.ChunkLoadEvent; import org.bukkit.event.world.ChunkUnloadEvent; // CraftBukkit end public class ChunkProviderServer implements IChunkProvider { public LongHashset a = new LongHashset(); // CraftBukkit public Chunk b; // CraftBukkit public IChunkProvider c; // CraftBukkit private IChunkLoader d; public LongHashtable e = new LongHashtable(); // CraftBukkit public List f = new ArrayList(); // CraftBukkit public WorldServer g; // CraftBukkit public ChunkProviderServer(WorldServer worldserver, IChunkLoader ichunkloader, IChunkProvider ichunkprovider) { this.b = new EmptyChunk(worldserver, new byte['\u8000'], 0, 0); this.g = worldserver; this.d = ichunkloader; this.c = ichunkprovider; } public boolean a(int i, int j) { return this.e.containsKey(i, j); // CraftBukkit } public void c(int i, int j) { ChunkCoordinates chunkcoordinates = this.g.l(); int k = i * 16 + 8 - chunkcoordinates.a; int l = j * 16 + 8 - chunkcoordinates.c; short short1 = 128; if (k < -short1 || k > short1 || l < -short1 || l > short1) { this.a.add(i, j); // CraftBukkit } } public Chunk d(int i, int j) { // CraftBukkit start this.a.remove(i, j); Chunk chunk = (Chunk) this.e.get(i, j); // CraftBukkit end if (chunk == null) { chunk = this.e(i, j); if (chunk == null) { if (this.c == null) { chunk = this.b; } else { chunk = this.c.b(i, j); } } this.e.put(i, j, chunk); // CraftBukkit this.f.add(chunk); if (chunk != null) { chunk.c(); chunk.d(); } // CraftBukkit start CraftServer server = g.getServer(); if (server != null) { /* * If it's a new world, the first few chunks are generated inside * the World constructor. We can't reliably alter that, so we have * no way of creating a CraftWorld/CraftServer at that point. */ server.getPluginManager().callEvent(new ChunkLoadEvent(Type.CHUNK_LOAD, chunk.bukkitChunk)); } // CraftBukkit end if (!chunk.n && this.a(i + 1, j + 1) && this.a(i, j + 1) && this.a(i + 1, j)) { this.a(this, i, j); } if (this.a(i - 1, j) && !this.b(i - 1, j).n && this.a(i - 1, j + 1) && this.a(i, j + 1) && this.a(i - 1, j)) { this.a(this, i - 1, j); } if (this.a(i, j - 1) && !this.b(i, j - 1).n && this.a(i + 1, j - 1) && this.a(i, j - 1) && this.a(i + 1, j)) { this.a(this, i, j - 1); } if (this.a(i - 1, j - 1) && !this.b(i - 1, j - 1).n && this.a(i - 1, j - 1) && this.a(i, j - 1) && this.a(i - 1, j)) { this.a(this, i - 1, j - 1); } } return chunk; } public Chunk b(int i, int j) { Chunk chunk = (Chunk) this.e.get(i, j); // CraftBukkit chunk = chunk == null ? (this.g.r ? this.d(i, j) : this.b) : chunk; if (chunk == this.b) return chunk; if (i != chunk.j || j != chunk.k) { MinecraftServer.a.info("Chunk (" + chunk.j + ", " + chunk.k +") stored at (" + i + ", " + j + ")"); MinecraftServer.a.info(chunk.getClass().getName()); Throwable x = new Throwable(); x.fillInStackTrace(); x.printStackTrace(); } return chunk; } public Chunk e(int i, int j) { // CraftBukkit - private->public if (this.d == null) { return null; } else { try { Chunk chunk = this.d.a(this.g, i, j); if (chunk != null) { chunk.r = this.g.k(); } return chunk; } catch (Exception exception) { exception.printStackTrace(); return null; } } } public void a(Chunk chunk) { // CraftBukkit - private->public if (this.d != null) { try { this.d.b(this.g, chunk); } catch (Exception exception) { exception.printStackTrace(); } } } public void b(Chunk chunk) { // CraftBukkit - private->public if (this.d != null) { try { chunk.r = this.g.k(); this.d.a(this.g, chunk); } catch (Exception ioexception) { // CraftBukkit - IOException -> Exception ioexception.printStackTrace(); } } } public void a(IChunkProvider ichunkprovider, int i, int j) { Chunk chunk = this.b(i, j); if (!chunk.n) { chunk.n = true; if (this.c != null) { this.c.a(ichunkprovider, i, j); chunk.f(); } } } public boolean a(boolean flag, IProgressUpdate iprogressupdate) { int i = 0; for (int j = 0; j < this.f.size(); ++j) { Chunk chunk = (Chunk) this.f.get(j); if (flag && !chunk.p) { this.a(chunk); } if (chunk.a(flag)) { this.b(chunk); chunk.o = false; ++i; if (i == 24 && !flag) { return false; } } } if (flag) { if (this.d == null) { return true; } this.d.b(); } return true; } public boolean a() { if (!this.g.w) { // CraftBukkit start Server server = g.getServer(); for (int i = 0; i < 50 && !this.a.isEmpty(); i++) { long chunkcoordinates = this.a.popFirst(); Chunk chunk = e.get(chunkcoordinates); if (chunk == null) continue; ChunkUnloadEvent event = new ChunkUnloadEvent(Type.CHUNK_UNLOAD, chunk.bukkitChunk); server.getPluginManager().callEvent(event); if (!event.isCancelled()) { g.getWorld().preserveChunk( (CraftChunk) chunk.bukkitChunk ); chunk.e(); this.b(chunk); this.a(chunk); this.e.remove(chunkcoordinates); this.f.remove(chunk); } } // CraftBukkit end if (this.d != null) { this.d.a(); } } return this.c.a(); } public boolean b() { return !this.g.w; } }