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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.
31 lines
2.1 KiB
Diff
31 lines
2.1 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: Fri, 8 Oct 2021 13:12:58 -0700
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Subject: [PATCH] Fix cancelled powdered snow bucket placement
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Cancelling the placement of powdered snow from the powdered
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snow bucket didn't revert grass that became snowy because of the
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placement.
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diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
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index ad1cb11245108b5cb187b686ed7e6bc769193b52..ec3be7fb4eb4560fe0106ac127f17d7437612157 100644
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--- a/src/main/java/net/minecraft/world/item/ItemStack.java
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+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
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@@ -422,7 +422,7 @@ public final class ItemStack implements DataComponentHolder {
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int oldCount = this.getCount();
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ServerLevel world = (ServerLevel) context.getLevel();
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- if (!(item instanceof BucketItem || item instanceof SolidBucketItem)) { // if not bucket
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+ if (!(item instanceof BucketItem/* || item instanceof SolidBucketItem*/)) { // if not bucket // Paper - Fix cancelled powdered snow bucket placement
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world.captureBlockStates = true;
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// special case bonemeal
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if (item == Items.BONE_MEAL) {
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@@ -482,7 +482,7 @@ public final class ItemStack implements DataComponentHolder {
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world.capturedBlockStates.clear();
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if (blocks.size() > 1) {
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placeEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callBlockMultiPlaceEvent(world, entityhuman, enumhand, blocks, blockposition.getX(), blockposition.getY(), blockposition.getZ());
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- } else if (blocks.size() == 1) {
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+ } else if (blocks.size() == 1 && item != Items.POWDER_SNOW_BUCKET) { // Paper - Fix cancelled powdered snow bucket placement
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placeEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPlaceEvent(world, entityhuman, enumhand, blocks.get(0), blockposition.getX(), blockposition.getY(), blockposition.getZ());
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}
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