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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.
43 lines
2.0 KiB
Diff
43 lines
2.0 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: Thu, 11 Jan 2024 12:41:50 -0800
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Subject: [PATCH] Add BlockStateMeta#clearBlockState
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java
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index 301d883a7626e3abd222517400367fc40d6fa2bd..23dbc56edf0d16cf07ced2899942abae28397694 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java
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@@ -198,6 +198,13 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
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return this.blockEntityTag != null;
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}
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+ // Paper start - add method to clear block state
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+ @Override
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+ public void clearBlockState() {
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+ this.blockEntityTag = null;
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+ }
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+ // Paper end - add method to clear block state
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+
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@Override
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public BlockState getBlockState() {
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return (this.blockEntityTag != null) ? this.blockEntityTag.copy() : CraftMetaBlockState.getBlockState(this.material, null);
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaShield.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaShield.java
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index 3542c6e72f5ff459d50b73fa210ea835f52dfa49..c8eec04685456d89cb41466cddcc3975d0ceeb29 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaShield.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaShield.java
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@@ -257,6 +257,13 @@ public class CraftMetaShield extends CraftMetaItem implements ShieldMeta, BlockS
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this.banner = (Banner) blockState;
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}
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+ // Paper start - add method to clear block state
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+ @Override
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+ public void clearBlockState() {
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+ this.banner = null;
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+ }
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+ // Paper end - add method to clear block state
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+
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private static Banner getBlockState(DyeColor color) {
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BlockPos pos = BlockPos.ZERO;
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Material stateMaterial = CraftMetaShield.shieldToBannerHack(color);
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