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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: MelnCat <melncatuwu@gmail.com>
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Date: Fri, 12 Aug 2022 23:24:37 -0700
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Subject: [PATCH] Add getDrops to BlockState
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Originally added isPreferredTool to BlockData but
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upstream added that.
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
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index e96023b71845526383288917e8d7c5759a4c0e9b..fa63a6cfcfcc4eee4503a82d85333c139c8c8b2b 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
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@@ -347,5 +347,24 @@ public class CraftBlockState implements BlockState {
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public boolean isCollidable() {
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return this.data.getBlock().hasCollision;
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}
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+
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+ @Override
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+ public java.util.Collection<org.bukkit.inventory.ItemStack> getDrops(org.bukkit.inventory.ItemStack item, org.bukkit.entity.Entity entity) {
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+ this.requirePlaced();
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+ net.minecraft.world.item.ItemStack nms = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(item);
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+
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+ // Modelled off EntityHuman#hasBlock
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+ if (item == null || !data.requiresCorrectToolForDrops() || nms.isCorrectToolForDrops(data)) {
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+ return net.minecraft.world.level.block.Block.getDrops(
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+ data,
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+ world.getHandle(),
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+ position,
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+ world.getHandle().getBlockEntity(position), entity == null ? null :
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+ ((org.bukkit.craftbukkit.entity.CraftEntity) entity).getHandle(), nms
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+ ).stream().map(org.bukkit.craftbukkit.inventory.CraftItemStack::asBukkitCopy).toList();
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+ } else {
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+ return java.util.Collections.emptyList();
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+ }
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+ }
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// Paper end
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}
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