31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From c70068607b6fe555ded74276fc6331e5df296723 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 02:07:55 -0600
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Subject: [PATCH] Optimize getBlockData
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Hot method, so reduce # of instructions for the method.
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 770da2b..9b0b98b 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -395,8 +395,15 @@ public class Chunk {
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return this.a(i, j, k).c();
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}
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+ // Paper - Optimize getBlockData
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public IBlockData getBlockData(BlockPosition blockposition) {
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- return this.a(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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+ if (blockposition.getY() >= 0 && blockposition.getY() >> 4 < this.sections.length) {
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+ ChunkSection chunksection = this.sections[blockposition.getY() >> 4];
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+ if (chunksection != null) {
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+ return chunksection.getType(blockposition.getX() & 15, blockposition.getY() & 15, blockposition.getZ() & 15);
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+ }
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+ }
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+ return Blocks.AIR.getBlockData();
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}
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public IBlockData a(final int i, final int j, final int k) {
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--
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2.8.3
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