PaperMC/patches/server/0631-Add-PlayerItemFrameChangeEvent.patch
Bjarne Koll c5a10665b8
Remove wall-time / unused skip tick protection (#11412)
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.
2024-09-19 16:36:07 +02:00

58 lines
3.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: SamB440 <sam@islandearth.net>
Date: Mon, 15 Nov 2021 18:10:10 +0000
Subject: [PATCH] Add PlayerItemFrameChangeEvent
diff --git a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
index fdb6898519acfb27baf25d8bbad2013956c1361f..3c6edc5ea44b7ec15d8fc7a2dca95a11a0d6108a 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
@@ -1,6 +1,7 @@
package net.minecraft.world.entity.decoration;
import javax.annotation.Nullable;
+import io.papermc.paper.event.player.PlayerItemFrameChangeEvent; // Paper - Add PlayerItemFrameChangeEvent
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.component.DataComponents;
@@ -154,6 +155,13 @@ public class ItemFrame extends HangingEntity {
return true;
}
// CraftBukkit end
+ // Paper start - Add PlayerItemFrameChangeEvent
+ if (source.getEntity() instanceof Player player) {
+ var event = new PlayerItemFrameChangeEvent((org.bukkit.entity.Player) player.getBukkitEntity(), (org.bukkit.entity.ItemFrame) this.getBukkitEntity(), this.getItem().asBukkitCopy(), PlayerItemFrameChangeEvent.ItemFrameChangeAction.REMOVE);
+ if (!event.callEvent()) return true; // return true here because you aren't cancelling the damage, just the change
+ this.setItem(ItemStack.fromBukkitCopy(event.getItemStack()), false);
+ }
+ // Paper end - Add PlayerItemFrameChangeEvent
this.dropItem(source.getEntity(), false);
this.gameEvent(GameEvent.BLOCK_CHANGE, source.getEntity());
this.playSound(this.getRemoveItemSound(), 1.0F, 1.0F);
@@ -394,11 +402,24 @@ public class ItemFrame extends HangingEntity {
}
}
- this.setItem(itemstack);
+ // Paper start - Add PlayerItemFrameChangeEvent
+ PlayerItemFrameChangeEvent event = new PlayerItemFrameChangeEvent((org.bukkit.entity.Player) player.getBukkitEntity(), (org.bukkit.entity.ItemFrame) this.getBukkitEntity(), itemstack.asBukkitCopy(), PlayerItemFrameChangeEvent.ItemFrameChangeAction.PLACE);
+ if (!event.callEvent()) {
+ return InteractionResult.FAIL;
+ }
+ this.setItem(ItemStack.fromBukkitCopy(event.getItemStack()));
+ // Paper end - Add PlayerItemFrameChangeEvent
this.gameEvent(GameEvent.BLOCK_CHANGE, player);
itemstack.consume(1, player);
}
} else {
+ // Paper start - Add PlayerItemFrameChangeEvent
+ PlayerItemFrameChangeEvent event = new PlayerItemFrameChangeEvent((org.bukkit.entity.Player) player.getBukkitEntity(), (org.bukkit.entity.ItemFrame) this.getBukkitEntity(), this.getItem().asBukkitCopy(), PlayerItemFrameChangeEvent.ItemFrameChangeAction.ROTATE);
+ if (!event.callEvent()) {
+ return InteractionResult.FAIL;
+ }
+ setItem(ItemStack.fromBukkitCopy(event.getItemStack()), false, false);
+ // Paper end - Add PlayerItemFrameChangeEvent
this.playSound(this.getRotateItemSound(), 1.0F, 1.0F);
this.setRotation(this.getRotation() + 1);
this.gameEvent(GameEvent.BLOCK_CHANGE, player);