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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
1.8 KiB
Diff
38 lines
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Mariell Hoversholm <proximyst@proximyst.com>
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Date: Sun, 23 Aug 2020 19:01:04 +0200
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Subject: [PATCH] Don't require FACING data
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diff --git a/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
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index c90bce6777d24821758d1830e6c6c6c72e19703f..39c96f5db6e90a470404c6387fa0c1d5531822e5 100644
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--- a/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
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+++ b/src/main/java/net/minecraft/core/dispenser/DefaultDispenseItemBehavior.java
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@@ -14,6 +14,7 @@ import org.bukkit.event.block.BlockDispenseEvent;
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// CraftBukkit end
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public class DefaultDispenseItemBehavior implements DispenseItemBehavior {
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+ private Direction enumdirection; // Paper - cache facing direction
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private static final int DEFAULT_ACCURACY = 6;
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@@ -29,15 +30,16 @@ public class DefaultDispenseItemBehavior implements DispenseItemBehavior {
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@Override
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public final ItemStack dispense(BlockSource pointer, ItemStack stack) {
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+ enumdirection = pointer.state().getValue(DispenserBlock.FACING); // Paper - cache facing direction
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ItemStack itemstack1 = this.execute(pointer, stack);
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this.playSound(pointer);
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- this.playAnimation(pointer, (Direction) pointer.state().getValue(DispenserBlock.FACING));
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+ this.playAnimation(pointer, enumdirection); // Paper - cache facing direction
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return itemstack1;
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}
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protected ItemStack execute(BlockSource pointer, ItemStack stack) {
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- Direction enumdirection = (Direction) pointer.state().getValue(DispenserBlock.FACING);
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+ // Paper - cached enum direction
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Position iposition = DispenserBlock.getDispensePosition(pointer);
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ItemStack itemstack1 = stack.split(1);
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