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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.
89 lines
5.7 KiB
Diff
89 lines
5.7 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: Tue, 22 Dec 2020 13:52:48 -0800
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Subject: [PATCH] Add EntityDamageItemEvent
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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 7497471649bec04ab8b43dec06b31edd892a5cfb..ad1cb11245108b5cb187b686ed7e6bc769193b52 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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@@ -646,14 +646,14 @@ public final class ItemStack implements DataComponentHolder {
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return (Integer) this.getOrDefault(DataComponents.MAX_DAMAGE, 0);
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}
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- public void hurtAndBreak(int amount, ServerLevel world, @Nullable ServerPlayer player, Consumer<Item> breakCallback) {
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+ public void hurtAndBreak(int amount, ServerLevel world, @Nullable LivingEntity player, Consumer<Item> breakCallback) { // Paper - Add EntityDamageItemEvent
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if (this.isDamageableItem()) {
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if (player == null || !player.hasInfiniteMaterials()) {
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if (amount > 0) {
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amount = EnchantmentHelper.processDurabilityChange(world, this, amount);
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// CraftBukkit start
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- if (player != null) {
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- PlayerItemDamageEvent event = new PlayerItemDamageEvent(player.getBukkitEntity(), CraftItemStack.asCraftMirror(this), amount);
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+ if (player instanceof ServerPlayer serverPlayer) { // Paper - Add EntityDamageItemEvent
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+ PlayerItemDamageEvent event = new PlayerItemDamageEvent(serverPlayer.getBukkitEntity(), CraftItemStack.asCraftMirror(this), amount); // Paper - Add EntityDamageItemEvent
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event.getPlayer().getServer().getPluginManager().callEvent(event);
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if (amount != event.getDamage() || event.isCancelled()) {
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@@ -664,6 +664,14 @@ public final class ItemStack implements DataComponentHolder {
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}
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amount = event.getDamage();
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+ // Paper start - Add EntityDamageItemEvent
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+ } else if (player != null) {
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+ io.papermc.paper.event.entity.EntityDamageItemEvent event = new io.papermc.paper.event.entity.EntityDamageItemEvent(player.getBukkitLivingEntity(), CraftItemStack.asCraftMirror(this), amount);
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+ if (!event.callEvent()) {
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+ return;
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+ }
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+ amount = event.getDamage();
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+ // Paper end - Add EntityDamageItemEvent
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}
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// CraftBukkit end
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if (amount <= 0) {
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@@ -671,8 +679,8 @@ public final class ItemStack implements DataComponentHolder {
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}
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}
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- if (player != null && amount != 0) {
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- CriteriaTriggers.ITEM_DURABILITY_CHANGED.trigger(player, this, this.getDamageValue() + amount);
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+ if (player instanceof ServerPlayer serverPlayer && amount != 0) { // Paper - Add EntityDamageItemEvent
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+ CriteriaTriggers.ITEM_DURABILITY_CHANGED.trigger(serverPlayer, this, this.getDamageValue() + amount); // Paper - Add EntityDamageItemEvent
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}
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int j = this.getDamageValue() + amount;
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@@ -681,8 +689,8 @@ public final class ItemStack implements DataComponentHolder {
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if (j >= this.getMaxDamage()) {
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Item item = this.getItem();
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// CraftBukkit start - Check for item breaking
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- if (this.count == 1) {
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- org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent(player, this);
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+ if (this.count == 1 && player instanceof final ServerPlayer serverPlayer) { // Paper - Add EntityDamageItemEvent
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+ org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerItemBreakEvent(serverPlayer, this); // Paper - Add EntityDamageItemEvent
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}
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// CraftBukkit end
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@@ -706,7 +714,7 @@ public final class ItemStack implements DataComponentHolder {
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entityplayer = null;
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}
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- this.hurtAndBreak(amount, worldserver, entityplayer, (item) -> {
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+ this.hurtAndBreak(amount, worldserver, entity, (item) -> { // Paper - Add EntityDamageItemEvent
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entity.onEquippedItemBroken(item, slot);
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});
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}
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diff --git a/src/main/java/net/minecraft/world/item/enchantment/effects/DamageItem.java b/src/main/java/net/minecraft/world/item/enchantment/effects/DamageItem.java
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index 70796eef426eece0bc93a173f54e90645377b502..82ac989ca836e3beef7c3773db0183a7e51780e0 100644
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--- a/src/main/java/net/minecraft/world/item/enchantment/effects/DamageItem.java
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+++ b/src/main/java/net/minecraft/world/item/enchantment/effects/DamageItem.java
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@@ -16,8 +16,8 @@ public record DamageItem(LevelBasedValue amount) implements EnchantmentEntityEff
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@Override
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public void apply(ServerLevel world, int level, EnchantedItemInUse context, Entity user, Vec3 pos) {
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- ServerPlayer serverPlayer2 = context.owner() instanceof ServerPlayer serverPlayer ? serverPlayer : null;
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- context.itemStack().hurtAndBreak((int)this.amount.calculate(level), world, serverPlayer2, context.onBreak());
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+ // ServerPlayer serverPlayer2 = context.owner() instanceof ServerPlayer serverPlayer ? serverPlayer : null; // Paper - always pass in entity
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+ context.itemStack().hurtAndBreak((int)this.amount.calculate(level), world, context.owner(), context.onBreak()); // Paper - always pass in entity
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}
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@Override
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