PaperMC/patches/server/0382-Optimise-Chunk-getFluid.patch

62 lines
3 KiB
Diff
Raw Normal View History

2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 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/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
2021-11-29 12:55:13 +01:00
index 0e89cf3fd6edf28b52ec113af31267642fd2b195..a80762a8acc5669dd9531d6514032318bae725f6 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -373,18 +373,20 @@ public class LevelChunk extends ChunkAccess {
2021-06-11 14:02:28 +02:00
}
public FluidState getFluidState(int x, int y, int z) {
- try {
2021-06-14 00:05:18 +02:00
- int l = this.getSectionIndex(y);
-
- if (l >= 0 && l < this.sections.length) {
- LevelChunkSection chunksection = this.sections[l];
+ // try { // Paper - remove try catch
2021-06-11 14:02:28 +02:00
+ // Paper start - reduce the number of ops in this call
2021-06-14 00:05:18 +02:00
+ int index = this.getSectionIndex(y);
2021-06-11 14:02:28 +02:00
+ if (index >= 0 && index < this.sections.length) {
+ LevelChunkSection chunksection = this.sections[index];
if (!chunksection.hasOnlyAir()) {
- return chunksection.getFluidState(x & 15, y & 15, z & 15);
2021-06-11 14:02:28 +02:00
+ return chunksection.states.get((y & 15) << 8 | (z & 15) << 4 | x & 15).getFluidState();
+ // Paper end
2021-06-11 14:02:28 +02:00
}
}
return Fluids.EMPTY.defaultFluidState();
2021-06-14 00:05:18 +02:00
+ /* // Paper - remove try catch
} catch (Throwable throwable) {
CrashReport crashreport = CrashReport.forThrowable(throwable, "Getting fluid state");
CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Block being got");
@@ -394,6 +396,7 @@ public class LevelChunk extends ChunkAccess {
2021-06-11 14:02:28 +02:00
});
throw new ReportedException(crashreport);
}
+ */ // Paper - remove try catch
}
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
2021-11-29 12:55:13 +01:00
index 512f53b24de14ea48eab85a0e725556d92def6e9..836f036550cf76f40d6e0eb8b229238d311c1e35 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
2021-11-29 12:55:13 +01:00
@@ -51,7 +51,7 @@ public class LevelChunkSection {
2021-06-11 14:02:28 +02:00
}
public FluidState getFluidState(int x, int y, int z) {
- return ((BlockState) this.states.get(x, y, z)).getFluidState();
2021-06-14 00:05:18 +02:00
+ return this.states.get(x, y, z).getFluidState(); // 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.
2021-06-11 14:02:28 +02:00
}
public void acquire() {