From 1174f76da6e796093221bbb3f10ee278274560da Mon Sep 17 00:00:00 2001
From: Wasabi_Thumbs <wasabithumbs@gmail.com>
Date: Sat, 7 Dec 2024 17:50:11 -0500
Subject: [PATCH] Patch item frame modification while in chunk editor (#156)

---
 .../codes/wasabi/xclaim/gui/ChunkEditor.java  | 31 +++++++++++++++++--
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/main/java/codes/wasabi/xclaim/gui/ChunkEditor.java b/src/main/java/codes/wasabi/xclaim/gui/ChunkEditor.java
index 358204b..daf5150 100644
--- a/src/main/java/codes/wasabi/xclaim/gui/ChunkEditor.java
+++ b/src/main/java/codes/wasabi/xclaim/gui/ChunkEditor.java
@@ -23,9 +23,7 @@
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.EventPriority;
-import org.bukkit.event.Listener;
+import org.bukkit.event.*;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.entity.PlayerDeathEvent;
@@ -52,6 +50,24 @@ private Events() {
             listener.register();
         }
 
+        void tryRegisterPaperEvents() {
+            // PAPER ONLY: Item frame change event
+            Class<? extends PlayerEvent> itemFrameEventClass;
+            try {
+                itemFrameEventClass = Class.forName("io.papermc.paper.event.player.PlayerItemFrameChangeEvent")
+                        .asSubclass(PlayerEvent.class);
+            } catch (ClassNotFoundException | ClassCastException ignored) {
+                return;
+            }
+            Bukkit.getPluginManager().registerEvent(
+                    itemFrameEventClass,
+                    this,
+                    EventPriority.NORMAL,
+                    (Listener ignored, Event event) -> this.onItemFrameChange((PlayerEvent) event),
+                    XClaim.instance
+            );
+        }
+
         @EventHandler
         public void onDrop(@NotNull PlayerDropItemEvent event) {
             Player ply = event.getPlayer();
@@ -403,6 +419,14 @@ public void onMove(@NotNull PlayerMoveEvent event) {
             }
         }
 
+        // PAPER ONLY
+        public void onItemFrameChange(@NotNull PlayerEvent event) {
+            Player ply = event.getPlayer();
+            if (getEditing(ply) != null && event instanceof Cancellable) {
+                ((Cancellable) event).setCancelled(true);
+            }
+        }
+
     }
 
     private static ItemStack CLAIM_STACK;
@@ -430,6 +454,7 @@ public static void initialize() {
         KEY_INVENTORY = Objects.requireNonNull(Platform.get().createNamespacedKey(XClaim.instance, "ce_inventory"));
         EVENTS = new Events();
         Bukkit.getPluginManager().registerEvents(EVENTS, XClaim.instance);
+        EVENTS.tryRegisterPaperEvents();
     }
 
     private static final Map<UUID, Claim> editingMap = new HashMap<>();