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 6c280abdef5f80b668d6090f9d35283a33e21e0c..c396580a9cfd86ff261bed439bb4662ae88010b5 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1710,6 +1710,10 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player imple
                     } 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 cc01ead133cc6859ca5d7a1d0ac3c12955e590da..ee9e4521079137d7b72194e8789810e7a89b8e75 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -566,8 +566,7 @@ 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.SUCCESS;
             } else {
                 return InteractionResult.PASS;
diff --git a/src/main/java/net/minecraft/world/entity/vehicle/ChestBoat.java b/src/main/java/net/minecraft/world/entity/vehicle/ChestBoat.java
index 4cdf3b54187ebcb1f5ddfa6114386127a2846f01..c14019a131c90c699b8a76bada82592b66f0fa89 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/ChestBoat.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/ChestBoat.java
@@ -127,8 +127,7 @@ public class ChestBoat extends Boat implements HasCustomInventoryScreen, Contain
 
     @Override
     public void openCustomInventoryScreen(Player player) {
-        player.openMenu(this);
-        if (!player.level().isClientSide) {
+        if (!player.level().isClientSide && player.openMenu(this).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             this.gameEvent(GameEvent.CONTAINER_OPEN, player);
             PiglinAi.angerNearbyPiglins(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 845eff7401b811c179dc9dee70eca0d724be5c80..9fdeaaa67a39b7b4bd2ac8f58dd38b87c6540e3e 100644
--- a/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
+++ b/src/main/java/net/minecraft/world/entity/vehicle/ContainerEntity.java
@@ -97,7 +97,11 @@ 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 !player.level().isClientSide ? InteractionResult.CONSUME : 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 923357251ad950ec4f893e8771fcfa99de8a60c5..c77d4adbba79ec39ab78c2a6bac1e8f94ba7fd68 100644
--- a/src/main/java/net/minecraft/world/level/block/AnvilBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/AnvilBlock.java
@@ -63,11 +63,10 @@ public class AnvilBlock extends FallingBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_ANVIL);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 
     @Nullable
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 de8cc8221fa2214d276385e3301237b40d190d5f..26dbb0c70abb91d20d552ebdd8858408d60f1c69 100644
--- a/src/main/java/net/minecraft/world/level/block/BarrelBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BarrelBlock.java
@@ -45,8 +45,7 @@ public class BarrelBlock extends BaseEntityBlock {
             return InteractionResult.SUCCESS;
         } else {
             BlockEntity blockEntity = world.getBlockEntity(pos);
-            if (blockEntity instanceof BarrelBlockEntity) {
-                player.openMenu((BarrelBlockEntity)blockEntity);
+            if (blockEntity instanceof BarrelBlockEntity && player.openMenu((BarrelBlockEntity)blockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
                 player.awardStat(Stats.OPEN_BARREL);
                 PiglinAi.angerNearbyPiglins(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 2b0db1bf3669bab09d8c6881598e8e3156ca22ca..56793f1ce1a4b919b5066966abf1768bf64540c8 100644
--- a/src/main/java/net/minecraft/world/level/block/BeaconBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BeaconBlock.java
@@ -49,8 +49,7 @@ public class BeaconBlock extends BaseEntityBlock implements BeaconBeamBlock {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
         } else {
-            if (world.getBlockEntity(pos) instanceof BeaconBlockEntity beaconBlockEntity) {
-                player.openMenu(beaconBlockEntity);
+            if (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 76a39f16a5668747b686e6a173c0a3479ecfe724..ea83c4b3ba9ad4db28b44331f208881de554ac70 100644
--- a/src/main/java/net/minecraft/world/level/block/BrewingStandBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BrewingStandBlock.java
@@ -77,8 +77,7 @@ public class BrewingStandBlock extends BaseEntityBlock {
             return InteractionResult.SUCCESS;
         } else {
             BlockEntity blockEntity = world.getBlockEntity(pos);
-            if (blockEntity instanceof BrewingStandBlockEntity) {
-                player.openMenu((BrewingStandBlockEntity)blockEntity);
+            if (blockEntity instanceof BrewingStandBlockEntity && player.openMenu((BrewingStandBlockEntity)blockEntity).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 cdea7084da7adba7851b84a4f7b4baf2708d8083..4d07d24ec2f45a6dfdcd8574565a03b5aa34381e 100644
--- a/src/main/java/net/minecraft/world/level/block/CartographyTableBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CartographyTableBlock.java
@@ -33,11 +33,10 @@ public class CartographyTableBlock extends Block {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_CARTOGRAPHY_TABLE);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 
     @Nullable
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 8fbfd18b3caeed769396b3ffb1b1778b2f38edc0..0b27baf10770cb3077c4e75da55209689d614513 100644
--- a/src/main/java/net/minecraft/world/level/block/ChestBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ChestBlock.java
@@ -253,8 +253,7 @@ public class ChestBlock extends AbstractChestBlock<ChestBlockEntity> implements
         } else {
             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(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 2dedbda759bd5cdc96e1296583cec600bc487464..ace45e3f95940a5770531da0f702dbee51b1032e 100644
--- a/src/main/java/net/minecraft/world/level/block/CraftingTableBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CraftingTableBlock.java
@@ -32,11 +32,10 @@ public class CraftingTableBlock extends Block {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_CRAFTING_TABLE);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 
     @Override
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 f6edfea463b3725d3a79aca38825e86dbf82175c..e1021d8be840f378568f28639c259182055c78ac 100644
--- a/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DispenserBlock.java
@@ -78,8 +78,7 @@ public class DispenserBlock extends BaseEntityBlock {
         } else {
             BlockEntity tileentity = world.getBlockEntity(pos);
 
-            if (tileentity instanceof DispenserBlockEntity) {
-                player.openMenu((DispenserBlockEntity) tileentity);
+            if (tileentity instanceof DispenserBlockEntity && player.openMenu((DispenserBlockEntity) tileentity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
                 if (tileentity instanceof DropperBlockEntity) {
                     player.awardStat(Stats.INSPECT_DROPPER);
                 } else {
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 ca92d49ef2010ba00c623491671dcde8ebe697c1..491a59336899179c79820cd61541d49f7337c0f6 100644
--- a/src/main/java/net/minecraft/world/level/block/EnderChestBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/EnderChestBlock.java
@@ -90,11 +90,14 @@ public class EnderChestBlock extends AbstractChestBlock<EnderChestBlockEntity> i
             } else {
                 EnderChestBlockEntity enderChestBlockEntity = (EnderChestBlockEntity)blockEntity;
                 playerEnderChestContainer.setActiveChest(enderChestBlockEntity);
-                player.openMenu(
+                // Paper start - Fix InventoryOpenEvent cancellation
+                if (player.openMenu(
                     new SimpleMenuProvider((i, inventory, playerx) -> ChestMenu.threeRows(i, inventory, playerEnderChestContainer), CONTAINER_TITLE)
-                );
-                player.awardStat(Stats.OPEN_ENDERCHEST);
-                PiglinAi.angerNearbyPiglins(player, true);
+                ).isPresent()) {
+                    player.awardStat(Stats.OPEN_ENDERCHEST);
+                    PiglinAi.angerNearbyPiglins(player, true);
+                }
+                // Paper end - Fix InventoryOpenEvent cancellation
                 return InteractionResult.CONSUME;
             }
         } else {
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 c62c54fce864f3c28cff955f3030ceb7c3d125d9..ca57d3663afd1ebcbd80682c178344feecda3808 100644
--- a/src/main/java/net/minecraft/world/level/block/GrindstoneBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/GrindstoneBlock.java
@@ -158,11 +158,10 @@ public class GrindstoneBlock extends FaceAttachedHorizontalDirectionalBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_GRINDSTONE);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 
     @Override
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 86e5617d445ce762aa374e236a0ccdfe5901fce5..3e1c7d62c24dd48a805260d156135dc4f0c3d1fc 100644
--- a/src/main/java/net/minecraft/world/level/block/HopperBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/HopperBlock.java
@@ -128,8 +128,7 @@ public class HopperBlock extends BaseEntityBlock {
             return InteractionResult.SUCCESS;
         } else {
             BlockEntity blockEntity = world.getBlockEntity(pos);
-            if (blockEntity instanceof HopperBlockEntity) {
-                player.openMenu((HopperBlockEntity)blockEntity);
+            if (blockEntity instanceof HopperBlockEntity && player.openMenu((HopperBlockEntity)blockEntity).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 0c52e1f8bc233bb66e53f4c69e1d8757382bbe81..ebb79907391fe3128d3d16fbe9d8cb0b22bcc9f7 100644
--- a/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
@@ -295,8 +295,7 @@ 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 8dd9d92c4730ec9a1cea197817e28e60f70ae3a9..d2f5228e2b0848ca79a7fe6ea79095c230a5f243 100644
--- a/src/main/java/net/minecraft/world/level/block/LoomBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/LoomBlock.java
@@ -34,11 +34,10 @@ public class LoomBlock extends HorizontalDirectionalBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_LOOM);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 
     @Override
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 6323c96d9b0cd14f89609b38da37d7fcc12d211b..6b2c3afa04a3564e435633b521d918ed795f9f65 100644
--- a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
@@ -106,8 +106,7 @@ public class ShulkerBoxBlock extends BaseEntityBlock {
         } else if (player.isSpectator()) {
             return InteractionResult.CONSUME;
         } else if (world.getBlockEntity(pos) instanceof ShulkerBoxBlockEntity shulkerBoxBlockEntity) {
-            if (canOpen(state, world, pos, shulkerBoxBlockEntity)) {
-                player.openMenu(shulkerBoxBlockEntity);
+            if (canOpen(state, world, pos, shulkerBoxBlockEntity) && player.openMenu(shulkerBoxBlockEntity).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
                 player.awardStat(Stats.OPEN_SHULKER_BOX);
                 PiglinAi.angerNearbyPiglins(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 cd93d0f5b2ba2d3162e14ded3db2e64b598e318f..dae5a125e90514d9eb920ff405c78eea43504698 100644
--- a/src/main/java/net/minecraft/world/level/block/SmithingTableBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SmithingTableBlock.java
@@ -39,10 +39,9 @@ public class SmithingTableBlock extends CraftingTableBlock {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_SMITHING_TABLE);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 }
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 c6ecb378d0cb2ac05b8f22f92fb85df060038f77..59fd521cd1e1101e2adce9830c43784e05abccdd 100644
--- a/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
@@ -49,11 +49,10 @@ public class StonecutterBlock extends Block {
     protected InteractionResult useWithoutItem(BlockState state, Level world, BlockPos pos, Player player, BlockHitResult hit) {
         if (world.isClientSide) {
             return InteractionResult.SUCCESS;
-        } else {
-            player.openMenu(state.getMenuProvider(world, pos));
+        } else if (player.openMenu(state.getMenuProvider(world, pos)).isPresent()) { // Paper - Fix InventoryOpenEvent cancellation
             player.awardStat(Stats.INTERACT_WITH_STONECUTTER);
-            return InteractionResult.CONSUME;
         }
+        return InteractionResult.CONSUME; // Paper - Fix InventoryOpenEvent cancellation
     }
 
     @Nullable