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d089acb3bd
ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
54 lines
2.0 KiB
Diff
54 lines
2.0 KiB
Diff
From 7e1a19b733518affda90a116c3576335ae14f565 Mon Sep 17 00:00:00 2001
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From: Antony Riley <antony@cyberiantiger.org>
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Date: Tue, 29 Mar 2016 06:56:23 +0300
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Subject: [PATCH] Reduce IO ops opening a new region file.
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diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
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index f4405be395..5d2853b9ce 100644
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--- a/src/main/java/net/minecraft/server/RegionFile.java
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+++ b/src/main/java/net/minecraft/server/RegionFile.java
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@@ -8,9 +8,12 @@ import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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+import java.io.EOFException;
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import java.io.File;
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import java.io.IOException;
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import java.io.RandomAccessFile;
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+import java.nio.ByteBuffer;
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+import java.nio.IntBuffer;
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import java.util.List;
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import java.util.zip.DeflaterOutputStream;
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import java.util.zip.GZIPInputStream;
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@@ -60,8 +63,16 @@ public class RegionFile {
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this.f.set(1, false);
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this.c.seek(0L);
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+ // Paper Start
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+ ByteBuffer header = ByteBuffer.allocate(8192);
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+ while (header.hasRemaining()) {
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+ if (this.c.getChannel().read(header) == -1) throw new EOFException();
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+ }
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+ header.clear();
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+ IntBuffer headerAsInts = header.asIntBuffer();
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+ // Paper End
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for(int j1 = 0; j1 < 1024; ++j1) {
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- int k = this.c.readInt();
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+ int k = headerAsInts.get(); // Paper
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this.d[j1] = k;
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if (k != 0 && (k >> 8) + (k & 255) <= this.f.size()) {
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for(int l = 0; l < (k & 255); ++l) {
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@@ -71,7 +82,7 @@ public class RegionFile {
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}
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for(int k1 = 0; k1 < 1024; ++k1) {
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- int l1 = this.c.readInt();
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+ int l1 = headerAsInts.get(); // Paper
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this.e[k1] = l1;
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}
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} catch (IOException ioexception) {
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--
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2.18.0
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