From a6af38e8706ccaf50b12123df1681533fa07c20e Mon Sep 17 00:00:00 2001 From: Spottedleaf 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 971c0315d5..2b0e431874 100644 --- a/src/main/java/net/minecraft/server/Chunk.java +++ b/src/main/java/net/minecraft/server/Chunk.java @@ -297,17 +297,20 @@ 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"); @@ -316,6 +319,7 @@ 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 8b28fb5ee1..426221f7c3 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() { -- 2.25.1