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path: root/patches/server/0809-Add-PlayerItemFrameChangeEvent.patch
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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 d02f507ac58bae5d4f669dae52cc01c35651cee5..f134a2e68d50fba021b19fac4c75fb35d0e252c6 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
@@ -2,6 +2,7 @@ package net.minecraft.world.entity.decoration;
 
 import com.mojang.logging.LogUtils;
 import javax.annotation.Nullable;
+import io.papermc.paper.event.player.PlayerItemFrameChangeEvent; // Paper
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
@@ -185,6 +186,13 @@ public class ItemFrame extends HangingEntity {
                     return true;
                 }
                 // CraftBukkit end
+                // Paper start - call 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 false;
+                    this.setItem(ItemStack.fromBukkitCopy(event.getItemStack()), false);
+                }
+                // Paper end
                 this.dropItem(source.getEntity(), false);
                 this.playSound(this.getRemoveItemSound(), 1.0F, 1.0F);
             }
@@ -427,13 +435,22 @@ public class ItemFrame extends HangingEntity {
                             return InteractionResult.FAIL;
                         }
                     }
-
-                    this.setItem(itemstack);
+                    // Paper start - call PlayerItemFrameChangeEvent
+                    var 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()));
+                    // this.setItem(itemstack);
+                    // Paper end
                     if (!player.getAbilities().instabuild) {
                         itemstack.shrink(1);
                     }
                 }
             } else {
+                // Paper start - call PlayerItemFrameChangeEvent
+                var 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
                 this.playSound(this.getRotateItemSound(), 1.0F, 1.0F);
                 this.setRotation(this.getRotation() + 1);
             }