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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.
59 lines
3.7 KiB
Diff
59 lines
3.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <blake.galbreath@gmail.com>
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Date: Thu, 14 Oct 2021 12:09:39 -0500
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Subject: [PATCH] Add ItemFactory#getSpawnEgg API
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
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index eabb8b42b890224dd19b879ff276e9908674310d..803a19063c03627dbea79cb1c395ae35aaef2834 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java
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@@ -9,6 +9,7 @@ import net.minecraft.core.HolderSet;
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import net.minecraft.core.RegistryAccess;
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import net.minecraft.core.component.DataComponentPatch;
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import net.minecraft.core.registries.Registries;
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+import net.minecraft.resources.ResourceLocation;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.tags.EnchantmentTags;
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import net.minecraft.util.RandomSource;
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@@ -286,4 +287,19 @@ public final class CraftItemFactory implements ItemFactory {
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new net.md_5.bungee.api.chat.TextComponent(customName));
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}
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// Paper end - bungee hover events
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+
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+ // Paper start - old getSpawnEgg API
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+ // @Override // used to override, upstream added conflicting method, is called via Commodore now
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+ @Deprecated
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+ public ItemStack getSpawnEgg0(org.bukkit.entity.EntityType type) {
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+ if (type == null) {
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+ return null;
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+ }
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+ String typeId = type.getKey().toString();
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+ net.minecraft.resources.ResourceLocation typeKey = ResourceLocation.parse(typeId);
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+ net.minecraft.world.entity.EntityType<?> nmsType = net.minecraft.core.registries.BuiltInRegistries.ENTITY_TYPE.get(typeKey);
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+ net.minecraft.world.item.SpawnEggItem eggItem = net.minecraft.world.item.SpawnEggItem.byId(nmsType);
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+ return eggItem == null ? null : new net.minecraft.world.item.ItemStack(eggItem).asBukkitMirror();
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+ }
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+ // Paper end - old getSpawnEgg API
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
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index 17d6a4cdd16d34f83e0752c3bdaee08288425a07..157fbe09ab22f3218d9d3f72e8c0a5a3d727eaeb 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
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@@ -442,6 +442,15 @@ public class Commodore {
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}
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// Paper end
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+ // Paper start - ItemFactory#getSpawnEgg (paper had original method that returned ItemStack, upstream added identical but returned Material)
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+ if (owner.equals("org/bukkit/inventory/ItemFactory") && name.equals("getSpawnEgg") && desc.equals("(Lorg/bukkit/entity/EntityType;)Lorg/bukkit/inventory/ItemStack;")) {
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+ super.visitInsn(Opcodes.SWAP); // has 1 param, this moves the owner instance to the top for the checkcast
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+ super.visitTypeInsn(Opcodes.CHECKCAST, runtimeCbPkgPrefix() + "inventory/CraftItemFactory");
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+ super.visitInsn(Opcodes.SWAP); // moves param back to the the top of stack
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+ super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, runtimeCbPkgPrefix() + "inventory/CraftItemFactory", "getSpawnEgg0", desc, false);
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+ return;
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+ }
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+ // Paper end - ItemFactory#getSpawnEgg
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if (modern) {
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if (owner.equals("org/bukkit/Material") || (instantiatedMethodType != null && instantiatedMethodType.getDescriptor().startsWith("(Lorg/bukkit/Material;)"))) {
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switch (name) {
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