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39 lines
2.5 KiB
Diff
39 lines
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 436eb27ddc6a36b8bbf46efd9532c4e371024a98..12d5af9dc6e5d5ed4ea427384226dc5d022550ba 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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@@ -121,7 +121,7 @@ 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 3ef9be2b076160783adce2f1d74b3118544e66da..7d83ad8a61f6aafbc063506c1858554f9b700b70 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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@@ -51,6 +51,7 @@ 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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@@ -334,6 +335,7 @@ 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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