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63 lines
2.9 KiB
Diff
63 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Tue, 14 Jan 2020 14:59:08 -0800
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Subject: [PATCH] Optimise Chunk#getFluid
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Removing the try catch and generally reducing ops should make it
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faster on its own, however removing the try catch makes it
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easier to inline due to code size
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diff --git a/src/main/java/net/minecraft/world/level/chunk/Chunk.java b/src/main/java/net/minecraft/world/level/chunk/Chunk.java
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index fc55e89260fdec2c5045e8f00e091191980ff1f2..bb2ff043f0d159fa18769c31b08683ee12037c58 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/Chunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/Chunk.java
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@@ -431,17 +431,20 @@ public class Chunk implements IChunkAccess {
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}
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public Fluid a(int i, int j, int k) {
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- try {
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- if (j >= 0 && j >> 4 < this.sections.length) {
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- ChunkSection chunksection = this.sections[j >> 4];
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-
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- if (!ChunkSection.a(chunksection)) {
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- return chunksection.b(i & 15, j & 15, k & 15);
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+ //try { // Paper - remove try catch
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+ // Paper start - reduce the number of ops in this call
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+ int index = j >> 4;
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+ if (index >= 0 && index < this.sections.length) {
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+ ChunkSection chunksection = this.sections[index];
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+
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+ if (chunksection != null) {
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+ return chunksection.blockIds.a((j & 15) << 8 | (k & 15) << 4 | i & 15).getFluid();
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}
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+ // Paper end
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}
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return FluidTypes.EMPTY.h();
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- } catch (Throwable throwable) {
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+ /*} catch (Throwable throwable) { // Paper - remove try catch
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CrashReport crashreport = CrashReport.a(throwable, "Getting fluid state");
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CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Block being got");
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@@ -450,6 +453,7 @@ public class Chunk implements IChunkAccess {
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});
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throw new ReportedException(crashreport);
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}
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+ */ // Paper - remove try catch
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}
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// CraftBukkit start
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diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/ChunkSection.java
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index 4bc26a7a4ae91aac90c256758ec8868d83027c0c..973aa060d6964c7d470bc7aff89b879daf1df153 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/ChunkSection.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkSection.java
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@@ -45,7 +45,7 @@ public class ChunkSection {
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}
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public Fluid b(int i, int j, int k) {
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- return ((IBlockData) this.blockIds.a(i, j, k)).getFluid();
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+ 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.
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}
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public void a() {
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