mirror of
https://github.com/PaperMC/Paper.git
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255 lines
8.3 KiB
Diff
255 lines
8.3 KiB
Diff
From d96080a04cb3f9a56af7f4666c8e88d9437b6184 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Wed, 10 Apr 2013 13:52:52 +1000
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Subject: [PATCH] mc-dev imports
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diff --git a/src/main/java/net/minecraft/server/NibbleArray.java b/src/main/java/net/minecraft/server/NibbleArray.java
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new file mode 100644
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index 0000000..5d75a54
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--- /dev/null
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+++ b/src/main/java/net/minecraft/server/NibbleArray.java
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@@ -0,0 +1,40 @@
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+package net.minecraft.server;
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+
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+public class NibbleArray {
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+
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+ public final byte[] a;
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+ private final int b;
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+ private final int c;
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+
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+ public NibbleArray(int i, int j) {
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+ this.a = new byte[i >> 1];
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+ this.b = j;
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+ this.c = j + 4;
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+ }
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+
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+ public NibbleArray(byte[] abyte, int i) {
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+ this.a = abyte;
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+ this.b = i;
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+ this.c = i + 4;
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+ }
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+
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+ public int a(int i, int j, int k) {
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+ int l = j << this.c | k << this.b | i;
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+ int i1 = l >> 1;
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+ int j1 = l & 1;
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+
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+ return j1 == 0 ? this.a[i1] & 15 : this.a[i1] >> 4 & 15;
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+ }
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+
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+ public void a(int i, int j, int k, int l) {
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+ int i1 = j << this.c | k << this.b | i;
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+ int j1 = i1 >> 1;
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+ int k1 = i1 & 1;
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+
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+ if (k1 == 0) {
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+ this.a[j1] = (byte) (this.a[j1] & 240 | l & 15);
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+ } else {
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+ this.a[j1] = (byte) (this.a[j1] & 15 | (l & 15) << 4);
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/OldChunkLoader.java b/src/main/java/net/minecraft/server/OldChunkLoader.java
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new file mode 100644
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index 0000000..53c1cb5
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--- /dev/null
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+++ b/src/main/java/net/minecraft/server/OldChunkLoader.java
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@@ -0,0 +1,120 @@
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+package net.minecraft.server;
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+
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+public class OldChunkLoader {
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+
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+ public static OldChunk a(NBTTagCompound nbttagcompound) {
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+ int i = nbttagcompound.getInt("xPos");
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+ int j = nbttagcompound.getInt("zPos");
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+ OldChunk oldchunk = new OldChunk(i, j);
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+
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+ oldchunk.g = nbttagcompound.getByteArray("Blocks");
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+ oldchunk.f = new OldNibbleArray(nbttagcompound.getByteArray("Data"), 7);
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+ oldchunk.e = new OldNibbleArray(nbttagcompound.getByteArray("SkyLight"), 7);
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+ oldchunk.d = new OldNibbleArray(nbttagcompound.getByteArray("BlockLight"), 7);
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+ oldchunk.c = nbttagcompound.getByteArray("HeightMap");
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+ oldchunk.b = nbttagcompound.getBoolean("TerrainPopulated");
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+ oldchunk.h = nbttagcompound.getList("Entities");
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+ oldchunk.i = nbttagcompound.getList("TileEntities");
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+ oldchunk.j = nbttagcompound.getList("TileTicks");
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+
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+ try {
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+ oldchunk.a = nbttagcompound.getLong("LastUpdate");
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+ } catch (ClassCastException classcastexception) {
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+ oldchunk.a = (long) nbttagcompound.getInt("LastUpdate");
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+ }
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+
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+ return oldchunk;
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+ }
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+
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+ public static void a(OldChunk oldchunk, NBTTagCompound nbttagcompound, WorldChunkManager worldchunkmanager) {
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+ nbttagcompound.setInt("xPos", oldchunk.k);
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+ nbttagcompound.setInt("zPos", oldchunk.l);
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+ nbttagcompound.setLong("LastUpdate", oldchunk.a);
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+ int[] aint = new int[oldchunk.c.length];
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+
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+ for (int i = 0; i < oldchunk.c.length; ++i) {
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+ aint[i] = oldchunk.c[i];
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+ }
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+
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+ nbttagcompound.setIntArray("HeightMap", aint);
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+ nbttagcompound.setBoolean("TerrainPopulated", oldchunk.b);
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+ NBTTagList nbttaglist = new NBTTagList("Sections");
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+
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+ int j;
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+
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+ for (int k = 0; k < 8; ++k) {
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+ boolean flag = true;
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+
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+ for (j = 0; j < 16 && flag; ++j) {
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+ int l = 0;
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+
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+ while (l < 16 && flag) {
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+ int i1 = 0;
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+
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+ while (true) {
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+ if (i1 < 16) {
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+ int j1 = j << 11 | i1 << 7 | l + (k << 4);
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+ byte b0 = oldchunk.g[j1];
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+
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+ if (b0 == 0) {
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+ ++i1;
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+ continue;
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+ }
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+
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+ flag = false;
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+ }
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+
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+ ++l;
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+ break;
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+ }
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+ }
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+ }
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+
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+ if (!flag) {
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+ byte[] abyte = new byte[4096];
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+ NibbleArray nibblearray = new NibbleArray(abyte.length, 4);
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+ NibbleArray nibblearray1 = new NibbleArray(abyte.length, 4);
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+ NibbleArray nibblearray2 = new NibbleArray(abyte.length, 4);
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+
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+ for (int k1 = 0; k1 < 16; ++k1) {
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+ for (int l1 = 0; l1 < 16; ++l1) {
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+ for (int i2 = 0; i2 < 16; ++i2) {
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+ int j2 = k1 << 11 | i2 << 7 | l1 + (k << 4);
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+ byte b1 = oldchunk.g[j2];
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+
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+ abyte[l1 << 8 | i2 << 4 | k1] = (byte) (b1 & 255);
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+ nibblearray.a(k1, l1, i2, oldchunk.f.a(k1, l1 + (k << 4), i2));
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+ nibblearray1.a(k1, l1, i2, oldchunk.e.a(k1, l1 + (k << 4), i2));
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+ nibblearray2.a(k1, l1, i2, oldchunk.d.a(k1, l1 + (k << 4), i2));
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+ }
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+ }
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+ }
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+
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+ NBTTagCompound nbttagcompound1 = new NBTTagCompound();
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+
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+ nbttagcompound1.setByte("Y", (byte) (k & 255));
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+ nbttagcompound1.setByteArray("Blocks", abyte);
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+ nbttagcompound1.setByteArray("Data", nibblearray.a);
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+ nbttagcompound1.setByteArray("SkyLight", nibblearray1.a);
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+ nbttagcompound1.setByteArray("BlockLight", nibblearray2.a);
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+ nbttaglist.add(nbttagcompound1);
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+ }
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+ }
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+
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+ nbttagcompound.set("Sections", nbttaglist);
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+ byte[] abyte1 = new byte[256];
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+
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+ for (int k2 = 0; k2 < 16; ++k2) {
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+ for (j = 0; j < 16; ++j) {
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+ abyte1[j << 4 | k2] = (byte) (worldchunkmanager.getBiome(oldchunk.k << 4 | k2, oldchunk.l << 4 | j).id & 255);
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+ }
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+ }
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+
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+ nbttagcompound.setByteArray("Biomes", abyte1);
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+ nbttagcompound.set("Entities", oldchunk.h);
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+ nbttagcompound.set("TileEntities", oldchunk.i);
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+ if (oldchunk.j != null) {
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+ nbttagcompound.set("TileTicks", oldchunk.j);
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
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new file mode 100644
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index 0000000..900ed68
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--- /dev/null
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+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
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@@ -0,0 +1,67 @@
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+package net.minecraft.server;
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+
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+import java.io.DataInputStream;
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+import java.io.DataOutputStream;
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+import java.io.File;
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+import java.io.IOException;
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+import java.util.HashMap;
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+import java.util.Iterator;
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+import java.util.Map;
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+
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+public class RegionFileCache {
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+
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+ private static final Map a = new HashMap();
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+
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+ public static synchronized RegionFile a(File file1, int i, int j) {
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+ File file2 = new File(file1, "region");
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+ File file3 = new File(file2, "r." + (i >> 5) + "." + (j >> 5) + ".mca");
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+ RegionFile regionfile = (RegionFile) a.get(file3);
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+
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+ if (regionfile != null) {
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+ return regionfile;
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+ } else {
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+ if (!file2.exists()) {
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+ file2.mkdirs();
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+ }
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+
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+ if (a.size() >= 256) {
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+ a();
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+ }
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+
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+ RegionFile regionfile1 = new RegionFile(file3);
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+
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+ a.put(file3, regionfile1);
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+ return regionfile1;
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+ }
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+ }
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+
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+ public static synchronized void a() {
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+ Iterator iterator = a.values().iterator();
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+
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+ while (iterator.hasNext()) {
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+ RegionFile regionfile = (RegionFile) iterator.next();
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+
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+ try {
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+ if (regionfile != null) {
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+ regionfile.c();
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+ }
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+ } catch (IOException ioexception) {
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+ ioexception.printStackTrace();
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+ }
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+ }
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+
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+ a.clear();
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+ }
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+
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+ public static DataInputStream c(File file1, int i, int j) {
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+ RegionFile regionfile = a(file1, i, j);
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+
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+ return regionfile.a(i & 31, j & 31);
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+ }
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+
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+ public static DataOutputStream d(File file1, int i, int j) {
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+ RegionFile regionfile = a(file1, i, j);
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+
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+ return regionfile.b(i & 31, j & 31);
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+ }
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+}
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--
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1.8.2.1
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