Paper/Spigot-Server-Patches/0445-Optimise-Chunk-getFluid.patch
Aikar 57dd397155
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
b999860d SPIGOT-2304: Add LootGenerateEvent

CraftBukkit Changes:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-01 18:03:57 -04:00

66 lines
2.7 KiB
Diff

From f0bf987e53c7aa744047a0cd70b3b506897a7998 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 14 Jan 2020 14:59:08 -0800
Subject: [PATCH] Optimise Chunk#getFluid
Removing the try catch and generally reducing ops should make it
faster on its own, however removing the try catch makes it
easier to inline due to code size
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 2e3db1a755..d802acef71 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -365,17 +365,20 @@ public class Chunk implements IChunkAccess {
}
public Fluid a(int i, int j, int k) {
- try {
- if (j >= 0 && j >> 4 < this.sections.length) {
- ChunkSection chunksection = this.sections[j >> 4];
-
- if (!ChunkSection.a(chunksection)) {
- return chunksection.b(i & 15, j & 15, k & 15);
+ //try { // Paper - remove try catch
+ // Paper start - reduce the number of ops in this call
+ int index = j >> 4;
+ if (index >= 0 && index < this.sections.length) {
+ ChunkSection chunksection = this.sections[index];
+
+ if (chunksection != null) {
+ return chunksection.blockIds.a((j & 15) << 8 | (k & 15) << 4 | i & 15).getFluid();
}
+ // Paper end
}
return FluidTypes.EMPTY.h();
- } catch (Throwable throwable) {
+ /*} catch (Throwable throwable) { // Paper - remove try catch
CrashReport crashreport = CrashReport.a(throwable, "Getting fluid state");
CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Block being got");
@@ -384,6 +387,7 @@ public class Chunk implements IChunkAccess {
});
throw new ReportedException(crashreport);
}
+ */ // Paper - remove try catch
}
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index 3eaf893cdf..cda718bba0 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -46,7 +46,7 @@ public class ChunkSection {
}
public Fluid b(int i, int j, int k) {
- return ((IBlockData) this.blockIds.a(i, j, k)).getFluid();
+ return ((IBlockData) this.blockIds.a(i, j, k)).getFluid(); // Paper - diff on change - we expect this to be effectively just getType(x, y, z).getFluid(). If this changes we need to check other patches that use IBlockData#getFluid.
}
public void a() {
--
2.26.2