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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.
25 lines
1.6 KiB
Diff
25 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Eearslya Sleiarion <eearslya@gmail.com>
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Date: Sun, 23 Aug 2020 13:04:02 +0200
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Subject: [PATCH] Add BellRingEvent
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Add a new event, BellRingEvent, to trigger whenever a player rings a
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village bell. Passes along the bell block and the player who rang it.
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diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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index f633d08b35bf9018367a449cc000c6c6ca5a44cd..dbe7931dd7eb43f9381463d3a57ba1eb53820985 100644
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--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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@@ -378,10 +378,11 @@ public class CraftEventFactory {
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return tradeSelectEvent;
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}
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+ @SuppressWarnings("deprecation") // Paper use deprecated event to maintain compat (it extends modern event)
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public static boolean handleBellRingEvent(Level world, BlockPos position, Direction direction, Entity entity) {
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Block block = CraftBlock.at(world, position);
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BlockFace bukkitDirection = CraftBlock.notchToBlockFace(direction);
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- BellRingEvent event = new BellRingEvent(block, bukkitDirection, (entity != null) ? entity.getBukkitEntity() : null);
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+ BellRingEvent event = new io.papermc.paper.event.block.BellRingEvent(block, bukkitDirection, (entity != null) ? entity.getBukkitEntity() : null); // Paper - deprecated BellRingEvent
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Bukkit.getPluginManager().callEvent(event);
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return !event.isCancelled();
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}
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