geforkt von Mirrors/Paper
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.
74 Zeilen
4.8 KiB
Diff
74 Zeilen
4.8 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: Mon, 4 Jul 2022 21:45:36 -0700
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Subject: [PATCH] EntityPickupItemEvent fixes
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Fixes double firing of the event in PiglinAi
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Fixes cancelling the event for piglins still triggering the
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advancement trigger
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Fires the event when a Raider tries to pick up a raid banner
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to become raid leader.
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diff --git a/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java b/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java
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index d2dfa49e124460f4762b950f9ded106d2ec15dc2..bc58323801ee16fe9b63c21332144ec002a902f2 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java
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@@ -412,7 +412,7 @@ public class Piglin extends AbstractPiglin implements CrossbowAttackMob, Invento
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@Override
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protected void pickUpItem(ItemEntity item) {
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- this.onItemPickup(item);
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+ // this.onItemPickup(item); // Paper - EntityPickupItemEvent fixes; call in PiglinAi#pickUpItem after EntityPickupItemEvent is fired
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PiglinAi.pickUpItem(this, item);
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}
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diff --git a/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java b/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java
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index d3d50ec0f4466464c048449d8a844569c447d59b..b9810a1f6ac91ae9631dd1ebc225f009d91b7845 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java
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@@ -242,11 +242,16 @@ public class PiglinAi {
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ItemStack itemstack;
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// CraftBukkit start
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- if (drop.getItem().is(Items.GOLD_NUGGET) && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, 0, false).isCancelled()) {
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+ // Paper start - EntityPickupItemEvent fixes; fix event firing twice
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+ if (drop.getItem().is(Items.GOLD_NUGGET) /* && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, 0, false).isCancelled() */) {
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+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, 0, false).isCancelled()) return;
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+ piglin.onItemPickup(drop); // Paper - moved from Piglin#pickUpItem - call prior to item entity modification
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+ // Paper end - EntityPickupItemEvent fixes
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piglin.take(drop, drop.getItem().getCount());
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itemstack = drop.getItem();
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drop.discard(EntityRemoveEvent.Cause.PICKUP); // CraftBukkit - add Bukkit remove cause
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} else if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, drop.getItem().getCount() - 1, false).isCancelled()) {
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+ piglin.onItemPickup(drop); // Paper - EntityPickupItemEvent fixes; moved from Piglin#pickUpItem - call prior to item entity modification
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piglin.take(drop, 1);
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itemstack = PiglinAi.removeOneItemFromItemEntity(drop);
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} else {
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@@ -261,7 +266,7 @@ public class PiglinAi {
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} else if (PiglinAi.isFood(itemstack) && !PiglinAi.hasEatenRecently(piglin)) {
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PiglinAi.eat(piglin);
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} else {
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- boolean flag = !piglin.equipItemIfPossible(itemstack, drop).equals(ItemStack.EMPTY); // CraftBukkit
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+ boolean flag = !piglin.equipItemIfPossible(itemstack, null).equals(ItemStack.EMPTY); // CraftBukkit // Paper - pass null item entity to prevent duplicate pickup item event call - called above.
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if (!flag) {
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PiglinAi.putInInventory(piglin, itemstack);
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diff --git a/src/main/java/net/minecraft/world/entity/raid/Raider.java b/src/main/java/net/minecraft/world/entity/raid/Raider.java
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index 174d246b0a4d0fc9d769aad08da627ca8487bdf2..bbf21ea433f9e3963aac0ede597ed8d3c8e50ed8 100644
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--- a/src/main/java/net/minecraft/world/entity/raid/Raider.java
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+++ b/src/main/java/net/minecraft/world/entity/raid/Raider.java
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@@ -225,6 +225,11 @@ public abstract class Raider extends PatrollingMonster {
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boolean flag = this.hasActiveRaid() && this.getCurrentRaid().getLeader(this.getWave()) != null;
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if (this.hasActiveRaid() && !flag && ItemStack.matches(itemstack, Raid.getLeaderBannerInstance(this.registryAccess().lookupOrThrow(Registries.BANNER_PATTERN)))) {
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+ // Paper start - EntityPickupItemEvent fixes
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+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(this, item, 0, false).isCancelled()) {
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+ return;
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+ }
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+ // Paper end - EntityPickupItemEvent fixes
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EquipmentSlot enumitemslot = EquipmentSlot.HEAD;
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ItemStack itemstack1 = this.getItemBySlot(enumitemslot);
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double d0 = (double) this.getEquipmentDropChance(enumitemslot);
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