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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.
28 Zeilen
1.3 KiB
Diff
28 Zeilen
1.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Tue, 25 Aug 2020 13:48:33 +0200
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Subject: [PATCH] Add PlayerItemCooldownEvent
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diff --git a/src/main/java/net/minecraft/world/item/ServerItemCooldowns.java b/src/main/java/net/minecraft/world/item/ServerItemCooldowns.java
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index 47283d2a49209839002212e663a503a82ea86587..e0c4c0a9bab0bbc32358030a482aa04c2e1d3894 100644
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--- a/src/main/java/net/minecraft/world/item/ServerItemCooldowns.java
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+++ b/src/main/java/net/minecraft/world/item/ServerItemCooldowns.java
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@@ -10,6 +10,16 @@ public class ServerItemCooldowns extends ItemCooldowns {
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this.player = player;
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}
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+ // Paper start - Add PlayerItemCooldownEvent
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+ @Override
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+ public void addCooldown(Item item, int duration) {
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+ io.papermc.paper.event.player.PlayerItemCooldownEvent event = new io.papermc.paper.event.player.PlayerItemCooldownEvent(this.player.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemType.minecraftToBukkit(item), duration);
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+ if (event.callEvent()) {
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+ super.addCooldown(item, event.getCooldown());
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+ }
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+ }
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+ // Paper end - Add PlayerItemCooldownEvent
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+
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@Override
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protected void onCooldownStarted(Item item, int duration) {
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super.onCooldownStarted(item, duration);
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