testserver/Spigot-Server-Patches/0086-Reduce-IO-ops-opening-...

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1.5 KiB
Diff

From 6411f52ac4ce53d7de71028c657dfc2e6b89e001 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 9626396745..e2d4450e90 100644
--- a/src/main/java/net/minecraft/server/RegionFile.java
+++ b/src/main/java/net/minecraft/server/RegionFile.java
@@ -71,9 +71,17 @@ public class RegionFile {
this.c.seek(0L);
int k;
+ // Paper Start
+ java.nio.ByteBuffer header = java.nio.ByteBuffer.allocate(8192);
+ while (header.hasRemaining()) {
+ if (this.c.getChannel().read(header) == -1) throw new java.io.EOFException();
+ }
+ header.clear();
+ java.nio.IntBuffer headerAsInts = header.asIntBuffer();
+ // Paper End
for (j = 0; j < 1024; ++j) {
- k = this.c.readInt();
+ k = headerAsInts.get(); // Paper
this.d[j] = k;
// Spigot start
int length = k & 255;
@@ -99,7 +107,7 @@ public class RegionFile {
}
for (j = 0; j < 1024; ++j) {
- k = this.c.readInt();
+ k = headerAsInts.get(); // Paper
this.e[j] = k;
}
} catch (IOException ioexception) {
--
2.20.1