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01a13871de
Patch documentation to come Issues with the old system that are fixed now: - World generation does not scale with cpu cores effectively. - Relies on the main thread for scheduling and maintaining chunk state, dropping chunk load/generate rates at lower tps. - Unreliable prioritisation of chunk gen/load calls that block the main thread. - Shutdown logic is utterly unreliable, as it has to wait for all chunks to unload - is it guaranteed that the chunk system is in a state on shutdown that it can reliably do this? Watchdog shutdown also typically failed due to thread checks, which is now resolved. - Saving of data is not unified (i.e can save chunk data without saving entity data, poses problems for desync if shutdown is really abnormal. - Entities are not loaded with chunks. This caused quite a bit of headache for Chunk#getEntities API, but now the new chunk system loads entities with chunks so that they are ready whenever the chunk loads in. Effectively brings the behavior back to 1.16 era, but still storing entities in their own separate regionfiles. The above list is not complete. The patch documentation will complete it. New chunk system hard relies on starlight and dataconverter, and most importantly the new concurrent utilities in ConcurrentUtil. Some of the old async chunk i/o interface (i.e the old file io thread reroutes _some_ calls to the new file io thread) is kept for plugin compat reasons. It will be removed in the next major version of minecraft. The old legacy chunk system patches have been moved to the removed folder in case we need them again.
66 lines
3.7 KiB
Diff
66 lines
3.7 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] Added 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 b4ad1610d30396be344a04f5f3a565ae2b8f2265..5c987e863a6ef257caebf8321fa3048dfc7a93c5 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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@@ -547,7 +547,7 @@ public final class ItemStack {
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return this.getItem().getMaxDamage();
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}
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- public boolean hurt(int amount, RandomSource random, @Nullable ServerPlayer player) {
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+ public boolean hurt(int amount, RandomSource random, @Nullable LivingEntity player) { // Paper - allow any living entity instead of only ServerPlayers
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if (!this.isDamageableItem()) {
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return false;
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} else {
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@@ -565,8 +565,8 @@ public final class ItemStack {
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amount -= k;
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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
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+ PlayerItemDamageEvent event = new PlayerItemDamageEvent(serverPlayer.getBukkitEntity(), CraftItemStack.asCraftMirror(this), amount); // Paper
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event.getPlayer().getServer().getPluginManager().callEvent(event);
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if (amount != event.getDamage() || event.isCancelled()) {
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@@ -577,6 +577,14 @@ public final class ItemStack {
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}
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amount = event.getDamage();
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+ // Paper start - 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 false;
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+ }
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+ amount = event.getDamage();
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+ // Paper end
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}
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// CraftBukkit end
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if (amount <= 0) {
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@@ -584,8 +592,8 @@ public final class ItemStack {
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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
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+ CriteriaTriggers.ITEM_DURABILITY_CHANGED.trigger(serverPlayer, this, this.getDamageValue() + amount); // Paper
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}
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j = this.getDamageValue() + amount;
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@@ -597,7 +605,7 @@ public final class ItemStack {
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public <T extends LivingEntity> void hurtAndBreak(int amount, T entity, Consumer<T> breakCallback) {
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if (!entity.level.isClientSide && (!(entity instanceof net.minecraft.world.entity.player.Player) || !((net.minecraft.world.entity.player.Player) entity).getAbilities().instabuild)) {
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if (this.isDamageableItem()) {
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- if (this.hurt(amount, entity.getRandom(), entity instanceof ServerPlayer ? (ServerPlayer) entity : null)) {
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+ if (this.hurt(amount, entity.getRandom(), entity /*instanceof ServerPlayer ? (ServerPlayer) entity : null*/)) { // Paper - pass LivingEntity for EntityItemDamageEvent
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breakCallback.accept(entity);
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Item item = this.getItem();
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// CraftBukkit start - Check for item breaking
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