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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.
20 lines
1.1 KiB
Diff
20 lines
1.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Phoenix616 <mail@moep.tv>
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Date: Sat, 27 Apr 2019 20:00:43 +0100
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Subject: [PATCH] Fix sounds when item frames are modified (MC-123450)
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This also fixes the adding sound playing when the item frame direction is changed.
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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 84dcd662981b1eeb03128e7717f6af44c2b9cff6..fdb6898519acfb27baf25d8bbad2013956c1361f 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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@@ -278,7 +278,7 @@ public class ItemFrame extends HangingEntity {
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this.onItemChanged(itemstack);
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this.getEntityData().set(ItemFrame.DATA_ITEM, itemstack);
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- if (!itemstack.isEmpty() && playSound) { // CraftBukkit
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+ if (!itemstack.isEmpty() && flag && playSound) { // CraftBukkit // Paper - only play sound when update flag is set
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this.playSound(this.getAddItemSound(), 1.0F, 1.0F);
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}
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