geforkt von Mirrors/Paper
c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
79 Zeilen
3.5 KiB
Diff
79 Zeilen
3.5 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: Mon, 6 Jul 2020 20:46:50 -0700
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Subject: [PATCH] Improve inlining for some hot BlockBehavior and FluidState
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methods
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diff --git a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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index 46dd499c2023ec482ae7204d2894fb4100d9233b..a8bec3c405732e5863cf717b1fe948d00837bed2 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
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@@ -907,15 +907,15 @@ public abstract class BlockBehaviour implements FeatureElement {
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return this.shapeExceedsCube; // Paper - moved into shape cache init
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}
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- public boolean useShapeForLightOcclusion() {
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+ public final boolean useShapeForLightOcclusion() { // Paper - Perf: Final for inlining
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return this.useShapeForLightOcclusion;
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}
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- public int getLightEmission() {
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+ public final int getLightEmission() { // Paper - Perf: Final for inlining
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return this.lightEmission;
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}
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- public boolean isAir() {
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+ public final boolean isAir() { // Paper - Perf: Final for inlining
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return this.isAir;
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}
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@@ -999,7 +999,7 @@ public abstract class BlockBehaviour implements FeatureElement {
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}
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}
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- public boolean canOcclude() {
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+ public final boolean canOcclude() { // Paper - Perf: Final for inlining
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return this.canOcclude;
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}
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@@ -1215,11 +1215,11 @@ public abstract class BlockBehaviour implements FeatureElement {
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return this.getBlock().builtInRegistryHolder().is(key);
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}
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- public FluidState getFluidState() {
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+ public final FluidState getFluidState() { // Paper - Perf: Final for inlining
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return this.fluidState;
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}
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- public boolean isRandomlyTicking() {
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+ public final boolean isRandomlyTicking() { // Paper - Perf: Final for inlining
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return this.isRandomlyTicking;
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}
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diff --git a/src/main/java/net/minecraft/world/level/material/FluidState.java b/src/main/java/net/minecraft/world/level/material/FluidState.java
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index 42370e5e6628ebf8216c01521af859706b08834b..14bb12d2a0066e8b020f2e0e670a7a5c74633623 100644
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--- a/src/main/java/net/minecraft/world/level/material/FluidState.java
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+++ b/src/main/java/net/minecraft/world/level/material/FluidState.java
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@@ -25,9 +25,11 @@ public final class FluidState extends StateHolder<Fluid, FluidState> {
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public static final Codec<FluidState> CODEC = codec(BuiltInRegistries.FLUID.byNameCodec(), Fluid::defaultFluidState).stable();
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public static final int AMOUNT_MAX = 9;
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public static final int AMOUNT_FULL = 8;
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+ protected final boolean isEmpty; // Paper - Perf: moved from isEmpty()
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public FluidState(Fluid fluid, Reference2ObjectArrayMap<Property<?>, Comparable<?>> propertyMap, MapCodec<FluidState> codec) {
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super(fluid, propertyMap, codec);
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+ this.isEmpty = fluid.isEmpty(); // Paper - Perf: moved from isEmpty()
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}
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public Fluid getType() {
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@@ -43,7 +45,7 @@ public final class FluidState extends StateHolder<Fluid, FluidState> {
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}
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public boolean isEmpty() {
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- return this.getType().isEmpty();
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+ return this.isEmpty; // Paper - Perf: moved into constructor
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}
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public float getHeight(BlockGetter world, BlockPos pos) {
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