Paper/patches/server/1017-Fix-InventoryOpenEvent-cancellation.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tamion <70228790+notTamion@users.noreply.github.com>
Date: Mon, 19 Aug 2024 18:05:26 +0200
Subject: [PATCH] Fix InventoryOpenEvent cancellation


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index b6b8687fc79c060cd65e04dc67c855c775ab7684..e2527f3e2b96df539c765ae23c83a09d3298d430 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1942,6 +1942,10 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
                     } else if (factory instanceof ChestBlock.DoubleInventory) {
                         // SPIGOT-5355 - double chests too :(
                         ((ChestBlock.DoubleInventory) factory).inventorylargechest.stopOpen(this);
+                        // Paper start - Fix InventoryOpenEvent cancellation
+                    } else if (!this.enderChestInventory.isActiveChest(null)) {
+                        this.enderChestInventory.stopOpen(this);
+                        // Paper end - Fix InventoryOpenEvent cancellation
                     }
                     return OptionalInt.empty();
                 }
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 5d189ba60d40f5c42b2dacc339594ed067418e95..504c996220b278c194c93e001a3b326d549868ec 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -572,8 +572,7 @@ public class ServerPlayerGameMode {
         } else if (this.gameModeForPlayer == GameType.SPECTATOR) {
             MenuProvider itileinventory = iblockdata.getMenuProvider(world, blockposition);
 
-            if (itileinventory != null) {
-                player.openMenu(itileinventory);
+            if (itileinventory != null && player.openMenu(itileinventory).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
                 return InteractionResult.CONSUME;
             } else {
                 return InteractionResult.PASS;
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/AbstractChestBoat.java b/src/main/java/net/minecraft/world/entity/vehicle/AbstractChestBoat.java
index 8033abfd77bcc20326b992a9d81e2faa9582fb83..1f4cc08e84a23213bb9786ea09ad77caeec2d336 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractChestBoat.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractChestBoat.java
@@ -125,10 +125,10 @@ public abstract class AbstractChestBoat extends AbstractBoat implements HasCusto
 
     @Override
     public void openCustomInventoryScreen(Player player) {
-        player.openMenu(this);
+        // Paper - fix inventory open cancel - moved into below if
         Level world = player.level();
 
-        if (world instanceof ServerLevel worldserver) {
+        if (world instanceof ServerLevel worldserver && player.openMenu(this).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             this.gameEvent(GameEvent.CONTAINER_OPEN, player);
             PiglinAi.angerNearbyPiglins(worldserver, player, true);
         }
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java b/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
index cc7826a10f22e3307231d887db2fee98063b1f46..45f6191cc8e2ecdacbc2df0ddb5ea7cc6a546812 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
@@ -95,7 +95,11 @@ public interface ContainerEntity extends Container, MenuProvider {
     }
 
     default InteractionResult interactWithContainerVehicle(Player player) {
-        player.openMenu(this);
+        // Paper start - Fix InventoryOpenEvent cancellation
+        if (player.openMenu(this).isEmpty()) {
+            return InteractionResult.PASS;
+        }
+        // Paper end - Fix InventoryOpenEvent cancellation
         return InteractionResult.SUCCESS;
     }
 
diff --git a/src/main/java/net/minecraft/world/level/block/AnvilBlock.java b/src/main/java/net/minecraft/world/level/block/AnvilBlock.java
index f50135ddd1e3699b0e3390b316d82f3884bab719..50c907c962f936d2035bb7550750cdbd220b29c2 100644
--- a/src/main/java/net/minecraft/world/level/block/AnvilBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/AnvilBlock.java
@@ -62,8 +62,9 @@ public class AnvilBlock extends FallingBlock {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_ANVIL);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;
diff --git a/src/main/java/net/minecraft/world/level/block/BarrelBlock.java b/src/main/java/net/minecraft/world/level/block/BarrelBlock.java
index 85fbba41ca0b6aded476043d280c746a8f5bacb9..2338b94158e3b685dc1ea8394ff271d85b5f7a7e 100644
--- a/src/main/java/net/minecraft/world/level/block/BarrelBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BarrelBlock.java
@@ -41,8 +41,7 @@ public class BarrelBlock extends BaseEntityBlock {
 
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
-        if (world instanceof ServerLevel serverLevel && world.getBlockEntity(pos) instanceof BarrelBlockEntity barrelBlockEntity) {
-            player.openMenu(barrelBlockEntity);
+        if (world instanceof ServerLevel serverLevel && world.getBlockEntity(pos) instanceof BarrelBlockEntity barrelBlockEntity && player.openMenu(barrelBlockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.OPEN_BARREL);
             PiglinAi.angerNearbyPiglins(serverLevel, player, true);
         }
diff --git a/src/main/java/net/minecraft/world/level/block/BeaconBlock.java b/src/main/java/net/minecraft/world/level/block/BeaconBlock.java
index 5e61dfa142dd108dd4b35de47c6ff424b1b28c02..debe8dbf1d5f3e58774903c5fcdcea672274ea61 100644
--- a/src/main/java/net/minecraft/world/level/block/BeaconBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BeaconBlock.java
@@ -46,8 +46,7 @@ public class BeaconBlock extends BaseEntityBlock implements BeaconBeamBlock {
 
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
-        if (!world.isClientSide && world.getBlockEntity(pos) instanceof BeaconBlockEntity beaconBlockEntity) {
-            player.openMenu(beaconBlockEntity);
+        if (!world.isClientSide && world.getBlockEntity(pos) instanceof BeaconBlockEntity beaconBlockEntity && player.openMenu(beaconBlockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_BEACON);
         }
 
diff --git a/src/main/java/net/minecraft/world/level/block/BlastFurnaceBlock.java b/src/main/java/net/minecraft/world/level/block/BlastFurnaceBlock.java
index b491cc959d4ce65a7ba16b64a7e1a56e77d0052c..03fed46291ff2236da619c941f864b8c78408450 100644
--- a/src/main/java/net/minecraft/world/level/block/BlastFurnaceBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BlastFurnaceBlock.java
@@ -45,8 +45,7 @@ public class BlastFurnaceBlock extends AbstractFurnaceBlock {
     @Override
     protected void openContainer(Level world, BlockPos pos, Player player) {
         BlockEntity blockEntity = world.getBlockEntity(pos);
-        if (blockEntity instanceof BlastFurnaceBlockEntity) {
-            player.openMenu((MenuProvider)blockEntity);
+        if (blockEntity instanceof BlastFurnaceBlockEntity && player.openMenu((MenuProvider)blockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_BLAST_FURNACE);
         }
     }
diff --git a/src/main/java/net/minecraft/world/level/block/BrewingStandBlock.java b/src/main/java/net/minecraft/world/level/block/BrewingStandBlock.java
index 4109e4965f65bdd81fa956f9e0882cb7877bd2aa..cbaa6fc04eb8d765e0dd8238f2b82eed196d13c7 100644
--- a/src/main/java/net/minecraft/world/level/block/BrewingStandBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BrewingStandBlock.java
@@ -73,8 +73,7 @@ public class BrewingStandBlock extends BaseEntityBlock {
 
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
-        if (!world.isClientSide && world.getBlockEntity(pos) instanceof BrewingStandBlockEntity brewingStandBlockEntity) {
-            player.openMenu(brewingStandBlockEntity);
+        if (!world.isClientSide && world.getBlockEntity(pos) instanceof BrewingStandBlockEntity brewingStandBlockEntity && player.openMenu(brewingStandBlockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_BREWINGSTAND);
         }
 
diff --git a/src/main/java/net/minecraft/world/level/block/CartographyTableBlock.java b/src/main/java/net/minecraft/world/level/block/CartographyTableBlock.java
index 20feecb9c7f5537e00788a30969b002dceda605f..9e7066ec9fa5a0a852f6e38052887a47be98cb55 100644
--- a/src/main/java/net/minecraft/world/level/block/CartographyTableBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CartographyTableBlock.java
@@ -32,8 +32,9 @@ public class CartographyTableBlock extends Block {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_CARTOGRAPHY_TABLE);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;
diff --git a/src/main/java/net/minecraft/world/level/block/ChestBlock.java b/src/main/java/net/minecraft/world/level/block/ChestBlock.java
index 590837cb242eda62dca3c937a26b8ba26c41850c..edef8fc62f8dba1b57214d8d7d805ff0d83f4114 100644
--- a/src/main/java/net/minecraft/world/level/block/ChestBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ChestBlock.java
@@ -252,8 +252,7 @@ public class ChestBlock extends AbstractChestBlock<ChestBlockEntity> implements
         if (world instanceof ServerLevel worldserver) {
             MenuProvider itileinventory = this.getMenuProvider(state, world, pos);
 
-            if (itileinventory != null) {
-                player.openMenu(itileinventory);
+            if (itileinventory != null && player.openMenu(itileinventory).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
                 player.awardStat(this.getOpenChestStat());
                 PiglinAi.angerNearbyPiglins(worldserver, player, true);
             }
diff --git a/src/main/java/net/minecraft/world/level/block/CraftingTableBlock.java b/src/main/java/net/minecraft/world/level/block/CraftingTableBlock.java
index 673a92d383db463b5c4e2ac3a4ecbd7e97c15c6d..6a2123cd808fa79f3cdb1cb56632d29bfe99058d 100644
--- a/src/main/java/net/minecraft/world/level/block/CraftingTableBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CraftingTableBlock.java
@@ -31,8 +31,9 @@ public class CraftingTableBlock extends Block {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_CRAFTING_TABLE);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;
diff --git a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
index 500c56c4ef0878434582a50d6dba2ccca9773275..5a6c153fa2873aecba0d0d02be2cc2a514f445e3 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -80,8 +80,9 @@ public class DispenserBlock extends BaseEntityBlock {
             if (tileentity instanceof DispenserBlockEntity) {
                 DispenserBlockEntity tileentitydispenser = (DispenserBlockEntity) tileentity;
 
-                player.openMenu(tileentitydispenser);
+                if (player.openMenu(tileentitydispenser).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
                 player.awardStat(tileentitydispenser instanceof DropperBlockEntity ? Stats.INSPECT_DROPPER : Stats.INSPECT_DISPENSER);
+                } // Paper - Fix InventoryOpenEvent cancellation
             }
         }
 
diff --git a/src/main/java/net/minecraft/world/level/block/EnderChestBlock.java b/src/main/java/net/minecraft/world/level/block/EnderChestBlock.java
index ef0d469176ee74b6bb5f9e9cc508735145fda5b8..ebb9baca7a65173f7c9fdf9bf47a8db876719625 100644
--- a/src/main/java/net/minecraft/world/level/block/EnderChestBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/EnderChestBlock.java
@@ -86,11 +86,13 @@ public class EnderChestBlock extends AbstractChestBlock<EnderChestBlockEntity> i
             if (world.getBlockState(blockPos).isRedstoneConductor(world, blockPos)) { // Paper - diff on change; make sure that EnderChest#isBlocked uses the same logic
                 return InteractionResult.SUCCESS;
             } else {
-                if (world instanceof ServerLevel serverLevel) {
+                // Paper start - Fix InventoryOpenEvent cancellation - moved up;
+                if (world instanceof ServerLevel serverLevel && player.openMenu(
+                    new SimpleMenuProvider((i, inventory, playerx) -> ChestMenu.threeRows(i, inventory, playerEnderChestContainer), CONTAINER_TITLE)
+                ).isPresent()) {
+                // Paper end - Fix InventoryOpenEvent cancellation - moved up;
                     playerEnderChestContainer.setActiveChest(enderChestBlockEntity);
-                    player.openMenu(
-                        new SimpleMenuProvider((i, inventory, playerx) -> ChestMenu.threeRows(i, inventory, playerEnderChestContainer), CONTAINER_TITLE)
-                    );
+                    // Paper - Fix InventoryOpenEvent cancellation - moved up;
                     player.awardStat(Stats.OPEN_ENDERCHEST);
                     PiglinAi.angerNearbyPiglins(serverLevel, player, true);
                 }
diff --git a/src/main/java/net/minecraft/world/level/block/FurnaceBlock.java b/src/main/java/net/minecraft/world/level/block/FurnaceBlock.java
index 72a3002c291181e7d874a149a22b8004ee2a0b18..618b566f067d53f32351e13b692095ebf6402925 100644
--- a/src/main/java/net/minecraft/world/level/block/FurnaceBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/FurnaceBlock.java
@@ -45,8 +45,7 @@ public class FurnaceBlock extends AbstractFurnaceBlock {
     @Override
     protected void openContainer(Level world, BlockPos pos, Player player) {
         BlockEntity blockEntity = world.getBlockEntity(pos);
-        if (blockEntity instanceof FurnaceBlockEntity) {
-            player.openMenu((MenuProvider)blockEntity);
+        if (blockEntity instanceof FurnaceBlockEntity && player.openMenu((MenuProvider)blockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_FURNACE);
         }
     }
diff --git a/src/main/java/net/minecraft/world/level/block/GrindstoneBlock.java b/src/main/java/net/minecraft/world/level/block/GrindstoneBlock.java
index 15fb9e8f63d1db1125680aced7f9b477d4ebf43a..59c000612bbf7beb7208af48001d3b1e5111ebd4 100644
--- a/src/main/java/net/minecraft/world/level/block/GrindstoneBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/GrindstoneBlock.java
@@ -157,8 +157,9 @@ public class GrindstoneBlock extends FaceAttachedHorizontalDirectionalBlock {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_GRINDSTONE);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;
diff --git a/src/main/java/net/minecraft/world/level/block/HopperBlock.java b/src/main/java/net/minecraft/world/level/block/HopperBlock.java
index b61324fe162f32817b87e4adb80df57b9433259f..005a2a66a6e8a492acfa7ba91117884cda08562d 100644
--- a/src/main/java/net/minecraft/world/level/block/HopperBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/HopperBlock.java
@@ -125,8 +125,7 @@ public class HopperBlock extends BaseEntityBlock {
 
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
-        if (!world.isClientSide && world.getBlockEntity(pos) instanceof HopperBlockEntity hopperBlockEntity) {
-            player.openMenu(hopperBlockEntity);
+        if (!world.isClientSide && world.getBlockEntity(pos) instanceof HopperBlockEntity hopperBlockEntity && player.openMenu(hopperBlockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INSPECT_HOPPER);
         }
 
diff --git a/src/main/java/net/minecraft/world/level/block/LecternBlock.java b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
index 2864d0dec66980736f7434bff3031c05cff64592..d7e14ee2c11f34703b63fcd2e2ad5257003e14c8 100644
--- a/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
@@ -298,8 +298,7 @@ public class LecternBlock extends BaseEntityBlock {
     private void openScreen(Level world, BlockPos pos, Player player) {
         BlockEntity tileentity = world.getBlockEntity(pos);
 
-        if (tileentity instanceof LecternBlockEntity) {
-            player.openMenu((LecternBlockEntity) tileentity);
+        if (tileentity instanceof LecternBlockEntity && player.openMenu((LecternBlockEntity) tileentity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_LECTERN);
         }
 
diff --git a/src/main/java/net/minecraft/world/level/block/LoomBlock.java b/src/main/java/net/minecraft/world/level/block/LoomBlock.java
index 2806ca5b0e3c73a3704a514dba2038072947d9ae..1b57f8cf3f4f27f6a76fec82a542ec1c582470c9 100644
--- a/src/main/java/net/minecraft/world/level/block/LoomBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/LoomBlock.java
@@ -33,8 +33,9 @@ public class LoomBlock extends HorizontalDirectionalBlock {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_LOOM);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;
diff --git a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
index a0607cb6c6f74285363dfbd49033a8bde5ca6ae3..155c7240b1112729333e6968122568c707d8f66b 100644
--- a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
@@ -104,8 +104,8 @@ public class ShulkerBoxBlock extends BaseEntityBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world instanceof ServerLevel serverLevel
             && world.getBlockEntity(pos) instanceof ShulkerBoxBlockEntity shulkerBoxBlockEntity
-            && canOpen(state, world, pos, shulkerBoxBlockEntity)) {
-            player.openMenu(shulkerBoxBlockEntity);
+            && canOpen(state, world, pos, shulkerBoxBlockEntity) // Paper - Fix InventoryOpenEvent cancellation - expand if for belows check
+            && player.openMenu(shulkerBoxBlockEntity).isPresent()) {  // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.OPEN_SHULKER_BOX);
             PiglinAi.angerNearbyPiglins(serverLevel, player, true);
         }
diff --git a/src/main/java/net/minecraft/world/level/block/SmithingTableBlock.java b/src/main/java/net/minecraft/world/level/block/SmithingTableBlock.java
index 6b316b8829f542023c20293d664a2d0716fb6c4c..43dc3d2c419a8b4a76de49a1e625076741a98c73 100644
--- a/src/main/java/net/minecraft/world/level/block/SmithingTableBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SmithingTableBlock.java
@@ -38,8 +38,9 @@ public class SmithingTableBlock extends CraftingTableBlock {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_SMITHING_TABLE);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;
diff --git a/src/main/java/net/minecraft/world/level/block/SmokerBlock.java b/src/main/java/net/minecraft/world/level/block/SmokerBlock.java
index b0929942ca06ee14d2ba4f2ec2ee93743ee6233e..83669dfbfec46d319aec82ea2beaa90c9f6b81c3 100644
--- a/src/main/java/net/minecraft/world/level/block/SmokerBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SmokerBlock.java
@@ -44,8 +44,7 @@ public class SmokerBlock extends AbstractFurnaceBlock {
     @Override
     protected void openContainer(Level world, BlockPos pos, Player player) {
         BlockEntity blockEntity = world.getBlockEntity(pos);
-        if (blockEntity instanceof SmokerBlockEntity) {
-            player.openMenu((MenuProvider)blockEntity);
+        if (blockEntity instanceof SmokerBlockEntity && player.openMenu((MenuProvider)blockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_SMOKER);
         }
     }
diff --git a/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java b/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
index 3a879d1a469a8f597bfba861d41abd75a5743ab8..e61644241f24b42bb4f702d3eef5b590b4d107c8 100644
--- a/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
@@ -48,8 +48,9 @@ public class StonecutterBlock extends Block {
     @Override
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (!world.isClientSide) {
-            player.openMenu(state.getMenuProvider(world, pos));
+            if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_STONECUTTER);
+            } // Paper - Fix InventoryOpenEvent cancellation
         }
 
         return InteractionResult.SUCCESS;