From 0000000000000000000000000000000000000000 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/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java index 098c7d48c60f174ec2d2a67921e0cba286dd9ec7..3d722ad1d61692f83b08d1b0738c590e92a35036 100644 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java @@ -372,18 +372,20 @@ public class LevelChunk extends ChunkAccess { } public FluidState getFluidState(int x, int y, int z) { - try { - int l = this.getSectionIndex(y); - - if (l >= 0 && l < this.sections.length) { - LevelChunkSection chunksection = this.sections[l]; + // try { // Paper - remove try catch + // Paper start - reduce the number of ops in this call + int index = this.getSectionIndex(y); + if (index >= 0 && index < this.sections.length) { + LevelChunkSection chunksection = this.sections[index]; if (!chunksection.hasOnlyAir()) { - return chunksection.getFluidState(x & 15, y & 15, z & 15); + return chunksection.states.get((y & 15) << 8 | (z & 15) << 4 | x & 15).getFluidState(); + // Paper end } } return Fluids.EMPTY.defaultFluidState(); + /* // Paper - remove try catch } catch (Throwable throwable) { CrashReport crashreport = CrashReport.forThrowable(throwable, "Getting fluid state"); CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Block being got"); @@ -393,6 +395,7 @@ public class LevelChunk extends ChunkAccess { }); 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 index 512f53b24de14ea48eab85a0e725556d92def6e9..836f036550cf76f40d6e0eb8b229238d311c1e35 100644 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java @@ -51,7 +51,7 @@ public class LevelChunkSection { } public FluidState getFluidState(int x, int y, int z) { - return ((BlockState) this.states.get(x, y, z)).getFluidState(); + 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. } public void acquire() {