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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.
27 lines
1.1 KiB
Diff
27 lines
1.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Mon, 27 Mar 2023 10:20:00 -0700
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Subject: [PATCH] Add Structure check API
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 7200c336de27ffd4d37231768ff5192956ede972..cb85180daaa2b40cba2474784548d650bc4d639b 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -246,6 +246,15 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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};
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}
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// Paper end
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+ // Paper start - structure check API
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+ @Override
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+ public boolean hasStructureAt(final io.papermc.paper.math.Position position, final Structure structure) {
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+ return this.world.structureManager().getStructureWithPieceAt(
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+ io.papermc.paper.util.MCUtil.toBlockPos(position),
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+ CraftStructure.bukkitToMinecraft(structure)
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+ ).isValid();
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+ }
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+ // Paper end
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private static final Random rand = new Random();
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