mirror of
https://github.com/PaperMC/Paper.git
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85 lines
4.0 KiB
Diff
85 lines
4.0 KiB
Diff
From 67fe79d4d74bde2b956929fe8a6cdaa004941068 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Fri, 28 Sep 2018 20:46:29 -0400
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Subject: [PATCH] Optimize Light Recalculations
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The server triggers light recalculations even if the new block
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is the same as the old block. At this time, BlockData Properties
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do not impact light calculations.
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So the only way light should change, is if the block itself
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changes from 1 block to another.
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Also optimizes to not repeatedly look up the same chunk for
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light lookups.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index e0420405..0b54b7d7 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -523,6 +523,11 @@ public class PaperWorldConfig {
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log("ArmorStand ticking is " + (this.armorStandTick ? "enabled" : "disabled") + " by default");
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}
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+ public boolean optimizeLight = true;
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+ private void optimizeLight() {
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+ this.optimizeLight = getBoolean("optimize-light", optimizeLight);
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+ }
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+
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public boolean antiXray;
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public boolean asynchronous;
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public EngineMode engineMode;
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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 fb00e7a9..fdf062b8 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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@@ -353,7 +353,7 @@ public class Chunk implements IChunkAccess {
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private void a(int i, int j, int k, int l) {
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if (l > k && this.areNeighborsLoaded(1)) { // Paper
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for (int i1 = k; i1 < l; ++i1) {
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- this.world.c(EnumSkyBlock.SKY, new BlockPosition(i, i1, j));
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+ this.world.updateBrightness(EnumSkyBlock.SKY, new BlockPosition(i, i1, j), this); // Paper
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}
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this.x = true;
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@@ -563,7 +563,7 @@ public class Chunk implements IChunkAccess {
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} else {
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if (flag1) {
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this.initLighting();
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- } else {
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+ } else if (!world.paperConfig.optimizeLight || block != block1) { // Paper - Optimize light recalculations
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this.runOrQueueLightUpdate(() -> { // Paper - Queue light update
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int i1 = iblockdata.b(this.world, blockposition);
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int j1 = iblockdata1.b(this.world, blockposition);
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 2224eeab..57de5f48 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -591,8 +591,9 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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if (this.worldProvider.g()) {
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- for (i1 = k; i1 <= l; ++i1) {
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- this.c(EnumSkyBlock.SKY, new BlockPosition(i, i1, j));
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+ Chunk chunk = getChunkIfLoaded(i >> 4, j >> 4); // Paper
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+ for (i1 = k; chunk != null && i1 <= l; ++i1) { // Paper
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+ this.updateBrightness(EnumSkyBlock.SKY, new BlockPosition(i, i1, j), chunk); // Paper
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}
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}
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@@ -2228,6 +2229,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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public boolean c(EnumSkyBlock enumskyblock, BlockPosition blockposition) {
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// CraftBukkit start - Use neighbor cache instead of looking up
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Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
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+ // Paper start - optimize light updates where chunk is known
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+ return updateBrightness(enumskyblock, blockposition, chunk);
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+ }
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+ public boolean updateBrightness(EnumSkyBlock enumskyblock, BlockPosition blockposition, Chunk chunk) {
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+ // Paper end
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if (chunk == null || !chunk.areNeighborsLoaded(1) /*!this.areChunksLoaded(blockposition, 17, false)*/) {
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// CraftBukkit end
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return false;
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--
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2.20.1
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