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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.
61 lines
3.6 KiB
Diff
61 lines
3.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sun, 20 Jun 2021 21:55:59 -0700
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Subject: [PATCH] Fix PlayerDropItemEvent using wrong item
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diff --git a/src/main/java/net/minecraft/server/commands/GiveCommand.java b/src/main/java/net/minecraft/server/commands/GiveCommand.java
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index c81fd3e1108fb0a02f9240263404af2b968c8494..0d9de4c61c7b26a6ff37c12fde629161fd0c3d5a 100644
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--- a/src/main/java/net/minecraft/server/commands/GiveCommand.java
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+++ b/src/main/java/net/minecraft/server/commands/GiveCommand.java
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@@ -38,6 +38,7 @@ public class GiveCommand {
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private static int giveItem(CommandSourceStack source, ItemInput item, Collection<ServerPlayer> targets, int count) throws CommandSyntaxException {
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ItemStack itemstack = item.createItemStack(1, false);
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+ final Component displayName = itemstack.getDisplayName(); // Paper - get display name early
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int j = itemstack.getMaxStackSize();
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int k = j * 100;
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@@ -79,11 +80,11 @@ public class GiveCommand {
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if (targets.size() == 1) {
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source.sendSuccess(() -> {
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- return Component.translatable("commands.give.success.single", count, itemstack.getDisplayName(), ((ServerPlayer) targets.iterator().next()).getDisplayName());
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+ return Component.translatable("commands.give.success.single", count, displayName, ((ServerPlayer) targets.iterator().next()).getDisplayName()); // Paper - use cached display name
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}, true);
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} else {
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source.sendSuccess(() -> {
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- return Component.translatable("commands.give.success.single", count, itemstack.getDisplayName(), targets.size());
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+ return Component.translatable("commands.give.success.single", count, displayName, targets.size()); // Paper - use cached display name
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}, true);
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}
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 42df8d45ceb963043cf6467b8fc47272ce0873da..f20019261a09f425137731f7a4b92e889b617334 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -2486,7 +2486,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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if (flag1) {
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if (!itemstack1.isEmpty()) {
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- this.awardStat(Stats.ITEM_DROPPED.get(itemstack1.getItem()), itemstack.getCount());
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+ this.awardStat(Stats.ITEM_DROPPED.get(itemstack1.getItem()), itemstack1.getCount()); // Paper - Fix PlayerDropItemEvent using wrong item
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}
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this.awardStat(Stats.DROP);
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diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
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index b444b24a92bd2209ee4104ae82c7cfa9c876c910..7fee6ffeb8ccde965fcc1454eb0d8c6b3637da41 100644
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--- a/src/main/java/net/minecraft/world/entity/player/Player.java
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+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
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@@ -745,6 +745,11 @@ public abstract class Player extends LivingEntity {
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}
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double d0 = this.getEyeY() - 0.30000001192092896D;
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+ // Paper start
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+ ItemStack tmp = itemstack.copy();
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+ itemstack.setCount(0);
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+ itemstack = tmp;
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+ // Paper end
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ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), d0, this.getZ(), itemstack);
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entityitem.setPickUpDelay(40);
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