From 72559fe634393b795b56ccdf4c2b03247f504e5e Mon Sep 17 00:00:00 2001 From: Nathan Adams Date: Mon, 30 Jan 2012 04:20:59 +0000 Subject: Added ChunkLoader.java and ChunkRegionLoader.java for diff visibility --- .../java/net/minecraft/server/ChunkLoader.java | 259 +++++++++++++++++++++ 1 file changed, 259 insertions(+) create mode 100644 src/main/java/net/minecraft/server/ChunkLoader.java (limited to 'src/main/java/net/minecraft/server/ChunkLoader.java') diff --git a/src/main/java/net/minecraft/server/ChunkLoader.java b/src/main/java/net/minecraft/server/ChunkLoader.java new file mode 100644 index 00000000..41d366fd --- /dev/null +++ b/src/main/java/net/minecraft/server/ChunkLoader.java @@ -0,0 +1,259 @@ +package net.minecraft.server; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.InputStream; +import java.io.OutputStream; +import java.util.Iterator; +import java.util.List; + +public class ChunkLoader implements IChunkLoader { + + private File a; + private boolean b; + + public ChunkLoader(File file1, boolean flag) { + this.a = file1; + this.b = flag; + } + + private File a(int i, int j) { + String s = "c." + Integer.toString(i, 36) + "." + Integer.toString(j, 36) + ".dat"; + String s1 = Integer.toString(i & 63, 36); + String s2 = Integer.toString(j & 63, 36); + File file1 = new File(this.a, s1); + + if (!file1.exists()) { + if (!this.b) { + return null; + } + + file1.mkdir(); + } + + file1 = new File(file1, s2); + if (!file1.exists()) { + if (!this.b) { + return null; + } + + file1.mkdir(); + } + + file1 = new File(file1, s); + return !file1.exists() && !this.b ? null : file1; + } + + public Chunk a(World world, int i, int j) { + File file1 = this.a(i, j); + + if (file1 != null && file1.exists()) { + try { + FileInputStream fileinputstream = new FileInputStream(file1); + NBTTagCompound nbttagcompound = NBTCompressedStreamTools.a((InputStream) fileinputstream); + + if (!nbttagcompound.hasKey("Level")) { + System.out.println("Chunk file at " + i + "," + j + " is missing level data, skipping"); + return null; + } + + if (!nbttagcompound.getCompound("Level").hasKey("Blocks")) { + System.out.println("Chunk file at " + i + "," + j + " is missing block data, skipping"); + return null; + } + + Chunk chunk = a(world, nbttagcompound.getCompound("Level")); + + if (!chunk.a(i, j)) { + System.out.println("Chunk file at " + i + "," + j + " is in the wrong location; relocating. (Expected " + i + ", " + j + ", got " + chunk.x + ", " + chunk.z + ")"); + nbttagcompound.setInt("xPos", i); + nbttagcompound.setInt("zPos", j); + chunk = a(world, nbttagcompound.getCompound("Level")); + } + + chunk.h(); + return chunk; + } catch (Exception exception) { + exception.printStackTrace(); + } + } + + return null; + } + + public void a(World world, Chunk chunk) { + world.l(); + File file1 = this.a(chunk.x, chunk.z); + + if (file1.exists()) { + WorldData worlddata = world.getWorldData(); + + worlddata.b(worlddata.g() - file1.length()); + } + + try { + File file2 = new File(this.a, "tmp_chunk.dat"); + FileOutputStream fileoutputstream = new FileOutputStream(file2); + NBTTagCompound nbttagcompound = new NBTTagCompound(); + NBTTagCompound nbttagcompound1 = new NBTTagCompound(); + + nbttagcompound.set("Level", nbttagcompound1); + a(chunk, world, nbttagcompound1); + NBTCompressedStreamTools.a(nbttagcompound, (OutputStream) fileoutputstream); + fileoutputstream.close(); + if (file1.exists()) { + file1.delete(); + } + + file2.renameTo(file1); + WorldData worlddata1 = world.getWorldData(); + + worlddata1.b(worlddata1.g() + file1.length()); + } catch (Exception exception) { + exception.printStackTrace(); + } + } + + public static void a(Chunk chunk, World world, NBTTagCompound nbttagcompound) { + world.l(); + nbttagcompound.setInt("xPos", chunk.x); + nbttagcompound.setInt("zPos", chunk.z); + nbttagcompound.setLong("LastUpdate", world.getTime()); + nbttagcompound.setByteArray("Blocks", chunk.b); + nbttagcompound.setByteArray("Data", chunk.g.a); + nbttagcompound.setByteArray("SkyLight", chunk.h.a); + nbttagcompound.setByteArray("BlockLight", chunk.i.a); + nbttagcompound.setByteArray("HeightMap", chunk.heightMap); + nbttagcompound.setBoolean("TerrainPopulated", chunk.done); + chunk.s = false; + NBTTagList nbttaglist = new NBTTagList(); + + Iterator iterator; + NBTTagCompound nbttagcompound1; + + for (int i = 0; i < chunk.entitySlices.length; ++i) { + iterator = chunk.entitySlices[i].iterator(); + + while (iterator.hasNext()) { + Entity entity = (Entity) iterator.next(); + + chunk.s = true; + nbttagcompound1 = new NBTTagCompound(); + if (entity.c(nbttagcompound1)) { + nbttaglist.add(nbttagcompound1); + } + } + } + + nbttagcompound.set("Entities", nbttaglist); + NBTTagList nbttaglist1 = new NBTTagList(); + + iterator = chunk.tileEntities.values().iterator(); + + while (iterator.hasNext()) { + TileEntity tileentity = (TileEntity) iterator.next(); + + nbttagcompound1 = new NBTTagCompound(); + tileentity.b(nbttagcompound1); + nbttaglist1.add(nbttagcompound1); + } + + nbttagcompound.set("TileEntities", nbttaglist1); + List list = world.a(chunk, false); + + if (list != null) { + long j = world.getTime(); + NBTTagList nbttaglist2 = new NBTTagList(); + Iterator iterator1 = list.iterator(); + + while (iterator1.hasNext()) { + NextTickListEntry nextticklistentry = (NextTickListEntry) iterator1.next(); + NBTTagCompound nbttagcompound2 = new NBTTagCompound(); + + nbttagcompound2.setInt("i", nextticklistentry.d); + nbttagcompound2.setInt("x", nextticklistentry.a); + nbttagcompound2.setInt("y", nextticklistentry.b); + nbttagcompound2.setInt("z", nextticklistentry.c); + nbttagcompound2.setInt("t", (int) (nextticklistentry.e - j)); + nbttaglist2.add(nbttagcompound2); + } + + nbttagcompound.set("TileTicks", nbttaglist2); + } + } + + public static Chunk a(World world, NBTTagCompound nbttagcompound) { + int i = nbttagcompound.getInt("xPos"); + int j = nbttagcompound.getInt("zPos"); + Chunk chunk = new Chunk(world, i, j); + + chunk.b = nbttagcompound.getByteArray("Blocks"); + chunk.g = new NibbleArray(nbttagcompound.getByteArray("Data"), world.heightBits); + chunk.h = new NibbleArray(nbttagcompound.getByteArray("SkyLight"), world.heightBits); + chunk.i = new NibbleArray(nbttagcompound.getByteArray("BlockLight"), world.heightBits); + chunk.heightMap = nbttagcompound.getByteArray("HeightMap"); + chunk.done = nbttagcompound.getBoolean("TerrainPopulated"); + if (!chunk.g.a()) { + chunk.g = new NibbleArray(chunk.b.length, world.heightBits); + } + + if (chunk.heightMap == null || !chunk.h.a()) { + chunk.heightMap = new byte[256]; + chunk.h = new NibbleArray(chunk.b.length, world.heightBits); + chunk.initLighting(); + } + + if (!chunk.i.a()) { + chunk.i = new NibbleArray(chunk.b.length, world.heightBits); + chunk.a(); + } + + NBTTagList nbttaglist = nbttagcompound.getList("Entities"); + + if (nbttaglist != null) { + for (int k = 0; k < nbttaglist.size(); ++k) { + NBTTagCompound nbttagcompound1 = (NBTTagCompound) nbttaglist.get(k); + Entity entity = EntityTypes.a(nbttagcompound1, world); + + chunk.s = true; + if (entity != null) { + chunk.a(entity); + } + } + } + + NBTTagList nbttaglist1 = nbttagcompound.getList("TileEntities"); + + if (nbttaglist1 != null) { + for (int l = 0; l < nbttaglist1.size(); ++l) { + NBTTagCompound nbttagcompound2 = (NBTTagCompound) nbttaglist1.get(l); + TileEntity tileentity = TileEntity.c(nbttagcompound2); + + if (tileentity != null) { + chunk.a(tileentity); + } + } + } + + if (nbttagcompound.hasKey("TileTicks")) { + NBTTagList nbttaglist2 = nbttagcompound.getList("TileTicks"); + + if (nbttaglist2 != null) { + for (int i1 = 0; i1 < nbttaglist2.size(); ++i1) { + NBTTagCompound nbttagcompound3 = (NBTTagCompound) nbttaglist2.get(i1); + + world.d(nbttagcompound3.getInt("x"), nbttagcompound3.getInt("y"), nbttagcompound3.getInt("z"), nbttagcompound3.getInt("i"), nbttagcompound3.getInt("t")); + } + } + } + + return chunk; + } + + public void a() {} + + public void b() {} + + public void b(World world, Chunk chunk) {} +} -- cgit v1.2.3