From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: The456gamer <the456gamer@the456gamer.dev>
Date: Mon, 21 Aug 2023 14:13:42 +0100
Subject: [PATCH] Expose hand during BlockCanBuildEvent


diff --git a/src/main/java/net/minecraft/world/item/BlockItem.java b/src/main/java/net/minecraft/world/item/BlockItem.java
index 6819cea2858f0035a4fbf3671612d43fead883b6..ce0a22b5084cb382b7c1036960793e3a8314a26f 100644
--- a/src/main/java/net/minecraft/world/item/BlockItem.java
+++ b/src/main/java/net/minecraft/world/item/BlockItem.java
@@ -214,7 +214,7 @@ public class BlockItem extends Item {
         boolean defaultReturn = (!this.mustSurvive() || state.canSurvive(context.getLevel(), context.getClickedPos())) && world.checkEntityCollision(state, entityhuman, voxelshapecollision, context.getClickedPos(), true); // Paper
         org.bukkit.entity.Player player = (context.getPlayer() instanceof ServerPlayer) ? (org.bukkit.entity.Player) context.getPlayer().getBukkitEntity() : null;
 
-        BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(context.getLevel(), context.getClickedPos()), player, CraftBlockData.fromData(state), defaultReturn);
+        BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(context.getLevel(), context.getClickedPos()), player, CraftBlockData.fromData(state), defaultReturn, org.bukkit.craftbukkit.CraftEquipmentSlot.getHand(context.getHand())); // Paper - expose hand
         context.getLevel().getCraftServer().getPluginManager().callEvent(event);
 
         return event.isBuildable();
diff --git a/src/main/java/net/minecraft/world/item/StandingAndWallBlockItem.java b/src/main/java/net/minecraft/world/item/StandingAndWallBlockItem.java
index 39b8b3675ac58409e05fac07e07c8016c5280d81..88072259a9de205db428351c5c9f6114e199e402 100644
--- a/src/main/java/net/minecraft/world/item/StandingAndWallBlockItem.java
+++ b/src/main/java/net/minecraft/world/item/StandingAndWallBlockItem.java
@@ -59,7 +59,7 @@ public class StandingAndWallBlockItem extends BlockItem {
             boolean defaultReturn = world.isUnobstructed(iblockdata1, blockposition, CollisionContext.empty());
             org.bukkit.entity.Player player = (context.getPlayer() instanceof ServerPlayer) ? (org.bukkit.entity.Player) context.getPlayer().getBukkitEntity() : null;
 
-            BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(world, blockposition), player, CraftBlockData.fromData(iblockdata1), defaultReturn);
+            BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(world, blockposition), player, CraftBlockData.fromData(iblockdata1), defaultReturn, org.bukkit.craftbukkit.CraftEquipmentSlot.getHand(context.getHand())); // Paper - expose hand
             context.getLevel().getCraftServer().getPluginManager().callEvent(event);
 
             return (event.isBuildable()) ? iblockdata1 : null;