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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.
38 lines
2.1 KiB
Diff
38 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spyridon Pagkalos <spyridon@ender.gr>
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Date: Thu, 25 Mar 2021 20:28:04 +0200
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Subject: [PATCH] Introduce beacon activation/deactivation events
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
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index 52776ce9b7b4edd1eb474f14705d7fd83f5a66ca..e124f040386e130aebd7135434c4f06d130d28f6 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
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@@ -225,6 +225,15 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider, Name
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BeaconBlockEntity.playSound(world, pos, SoundEvents.BEACON_AMBIENT);
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}
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}
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+ // Paper start - beacon activation/deactivation events
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+ if (i1 <= 0 && blockEntity.levels > 0) {
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+ org.bukkit.block.Block block = org.bukkit.craftbukkit.block.CraftBlock.at(world, pos);
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+ new io.papermc.paper.event.block.BeaconActivatedEvent(block).callEvent();
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+ } else if (i1 > 0 && blockEntity.levels <= 0) {
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+ org.bukkit.block.Block block = org.bukkit.craftbukkit.block.CraftBlock.at(world, pos);
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+ new io.papermc.paper.event.block.BeaconDeactivatedEvent(block).callEvent();
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+ }
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+ // Paper end - beacon activation/deactivation events
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if (blockEntity.lastCheckY >= l) {
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blockEntity.lastCheckY = world.getMinBuildHeight() - 1;
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@@ -282,6 +291,10 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider, Name
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@Override
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public void setRemoved() {
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+ // Paper start - beacon activation/deactivation events
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+ org.bukkit.block.Block block = org.bukkit.craftbukkit.block.CraftBlock.at(level, worldPosition);
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+ new io.papermc.paper.event.block.BeaconDeactivatedEvent(block).callEvent();
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+ // Paper end - beacon activation/deactivation events
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BeaconBlockEntity.playSound(this.level, this.worldPosition, SoundEvents.BEACON_DEACTIVATE);
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super.setRemoved();
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}
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