53 lines
1.9 KiB
Diff
53 lines
1.9 KiB
Diff
|
From 1f55c86840384d32f33f077d9af9ec28ebbc05e0 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Antony Riley <antony@cyberiantiger.org>
|
||
|
|
Date: Tue, 29 Mar 2016 06:56:23 +0300
|
||
|
|
Subject: [PATCH] Reduce IO ops opening a new region file.
|
||
|
|
|
||
|
|
|
||
|
|
diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
|
||
|
|
index b062a31c4..4e6288e8b 100644
|
||
|
|
--- a/src/main/java/net/minecraft/server/RegionFile.java
|
||
|
|
+++ b/src/main/java/net/minecraft/server/RegionFile.java
|
||
|
|
@@ -26,7 +26,7 @@ public class RegionFile implements AutoCloseable {
|
||
|
|
private final File file;
|
||
|
|
// Spigot end
|
||
|
|
private static final byte[] a = new byte[4096];
|
||
|
|
- private final RandomAccessFile b;
|
||
|
|
+ private final RandomAccessFile b; private RandomAccessFile getDataFile() { return this.b; } // Paper - OBFHELPER
|
||
|
|
private final int[] c = new int[1024];
|
||
|
|
private final int[] d = new int[1024];
|
||
|
|
private final List<Boolean> e;
|
||
|
|
@@ -59,10 +59,19 @@ public class RegionFile implements AutoCloseable {
|
||
|
|
this.e.set(1, false);
|
||
|
|
this.b.seek(0L);
|
||
|
|
|
||
|
|
+ // Paper Start
|
||
|
|
+ java.nio.ByteBuffer header = java.nio.ByteBuffer.allocate(8192);
|
||
|
|
+ while (header.hasRemaining()) {
|
||
|
|
+ if (this.getDataFile().getChannel().read(header) == -1) throw new java.io.EOFException();
|
||
|
|
+ }
|
||
|
|
+ header.clear();
|
||
|
|
+ java.nio.IntBuffer headerAsInts = header.asIntBuffer();
|
||
|
|
+ // Paper End
|
||
|
|
+
|
||
|
|
int k;
|
||
|
|
|
||
|
|
for (j = 0; j < 1024; ++j) {
|
||
|
|
- k = this.b.readInt();
|
||
|
|
+ k = headerAsInts.get(); // Paper
|
||
|
|
this.c[j] = k;
|
||
|
|
// Spigot start
|
||
|
|
int length = k & 255;
|
||
|
|
@@ -88,7 +97,7 @@ public class RegionFile implements AutoCloseable {
|
||
|
|
}
|
||
|
|
|
||
|
|
for (j = 0; j < 1024; ++j) {
|
||
|
|
- k = this.b.readInt();
|
||
|
|
+ k = headerAsInts.get(); // Paper
|
||
|
|
this.d[j] = k;
|
||
|
|
}
|
||
|
|
|
||
|
|
--
|
||
|
|
2.21.0
|
||
|
|
|