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.
40 Zeilen
2.5 KiB
Diff
40 Zeilen
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Warrior <50800980+Warriorrrr@users.noreply.github.com>
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Date: Mon, 7 Aug 2023 12:58:28 +0200
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Subject: [PATCH] Cache map ids on item frames
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diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
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index f010be9605d7458add7e5693ff473fabf679c938..a2fbbbd7a66d4e7b1063638f8467e8887a417282 100644
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--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
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+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
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@@ -117,7 +117,7 @@ public class ServerEntity {
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ItemStack itemstack = entityitemframe.getItem();
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if (this.level.paperConfig().maps.itemFrameCursorUpdateInterval > 0 && this.tickCount % this.level.paperConfig().maps.itemFrameCursorUpdateInterval == 0 && itemstack.getItem() instanceof MapItem) { // CraftBukkit - Moved this.tickCounter % 10 logic here so item frames do not enter the other blocks // Paper - Make item frame map cursor update interval configurable
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- MapId mapid = (MapId) itemstack.get(DataComponents.MAP_ID);
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+ MapId mapid = entityitemframe.cachedMapId; // Paper - Perf: Cache map ids on item frames
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MapItemSavedData worldmap = MapItem.getSavedData(mapid, this.level);
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if (worldmap != null) {
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diff --git a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
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index ba4e0ad7c7c2731d61ec7f60f19d7e9ec31a28ba..5b7245cd99593ee90e17c97e0104f3aba9ae05ea 100644
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--- a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
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+++ b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
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@@ -50,6 +50,7 @@ public class ItemFrame extends HangingEntity {
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private static final float HEIGHT = 0.75F;
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public float dropChance;
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public boolean fixed;
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+ public @Nullable MapId cachedMapId; // Paper - Perf: Cache map ids on item frames
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public ItemFrame(EntityType<? extends ItemFrame> type, Level world) {
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super(type, world);
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@@ -322,6 +323,7 @@ public class ItemFrame extends HangingEntity {
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}
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private void onItemChanged(ItemStack stack) {
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+ this.cachedMapId = stack.getComponents().get(net.minecraft.core.component.DataComponents.MAP_ID); // Paper - Perf: Cache map ids on item frames
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if (!stack.isEmpty() && stack.getFrame() != this) {
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stack.setEntityRepresentation(this);
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}
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