PaperMC/patches/server/0893-Fix-a-bunch-of-vanilla-bugs.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 11 Jul 2022 11:56:41 -0700
Subject: [PATCH] Fix a bunch of vanilla bugs

https://bugs.mojang.com/browse/MC-253884
  show raid entity event to all tracking players

https://bugs.mojang.com/browse/MC-253721
  wrong msg for opping multiple players

https://bugs.mojang.com/browse/MC-248588
  respect mob griefing gamerule for draining water cauldrons

https://bugs.mojang.com/browse/MC-244739
  play goat eating sound for last item in stack

https://bugs.mojang.com/browse/MC-243057
  ignore furnace fuel slot in recipe book click

https://bugs.mojang.com/browse/MC-147659
  Some witch huts spawn the incorrect cat
  Note: Marked as Won't Fix, makes 0 sense

https://bugs.mojang.com/browse/MC-179072
  Creepers do not defuse when switching from Survival to Creative/Spectator

https://bugs.mojang.com/browse/MC-191591
https://bugs.mojang.com/browse/MC-258360
  Fix items equipped on AbstractHorse losing NBT

https://bugs.mojang.com/browse/MC-259571
  Fix changeGameModeForPlayer to use gameModeForPlayer

https://bugs.mojang.com/browse/MC-260219
  Play sniffer eat sound for the last item

https://bugs.mojang.com/browse/MC-262422
  Fix lightning being able to hit spectators

https://bugs.mojang.com/browse/MC-224454
  Fix mobs attempting to pathfind through azalea blocks

Co-authored-by: William Blake Galbreath <blake.galbreath@gmail.com>

diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
index 9b56f742443ad98994acc34630f1cef75a00ca8a..618ad17e4f10f58994db55b82b70fbb141e3579e 100644
--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
@@ -352,7 +352,7 @@ public interface DispenseItemBehavior {
                         }
                     }
                     // CraftBukkit end
-                    ((Saddleable) list.get(0)).equipSaddle(SoundSource.BLOCKS);
+                    ((Saddleable) list.get(0)).equipSaddle(SoundSource.BLOCKS, CraftItemStack.asNMSCopy(event.getItem())); // Paper - Fix saddles losing nbt data - MC-191591
                     // itemstack.shrink(1); // CraftBukkit - handled above
                     this.setSuccess(true);
                     return stack;
diff --git a/src/main/java/net/minecraft/server/commands/DeOpCommands.java b/src/main/java/net/minecraft/server/commands/DeOpCommands.java
index cca2618d90306eed9894c5fa7b6ed96b68210688..10769c60bd53438d44fbc6192667acdf4cc95594 100644
--- a/src/main/java/net/minecraft/server/commands/DeOpCommands.java
+++ b/src/main/java/net/minecraft/server/commands/DeOpCommands.java
@@ -33,7 +33,7 @@ public class DeOpCommands {
             if (playerList.isOp(gameProfile)) {
                 playerList.deop(gameProfile);
                 ++i;
-                source.sendSuccess(Component.translatable("commands.deop.success", targets.iterator().next().getName()), true);
+                source.sendSuccess(Component.translatable("commands.deop.success", gameProfile.getName()), true); // Paper - fixes MC-253721
             }
         }
 
diff --git a/src/main/java/net/minecraft/server/commands/OpCommand.java b/src/main/java/net/minecraft/server/commands/OpCommand.java
index 43e77cef0fce75f59aeb05e161668bebb8fca229..ef50fbf8cb3f008827850b5ed33422007be09bd2 100644
--- a/src/main/java/net/minecraft/server/commands/OpCommand.java
+++ b/src/main/java/net/minecraft/server/commands/OpCommand.java
@@ -38,7 +38,7 @@ public class OpCommand {
             if (!playerList.isOp(gameProfile)) {
                 playerList.op(gameProfile);
                 ++i;
-                source.sendSuccess(Component.translatable("commands.op.success", targets.iterator().next().getName()), true);
+                source.sendSuccess(Component.translatable("commands.op.success", gameProfile.getName()), true); // Paper - fixes MC-253721
             }
         }
 
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 131a7ff0847272b2f9fecf62d0d28ca014689f5b..ed91515947ee049bdb82aa014fe439753f2b7620 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -949,7 +949,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
         } else {
             AABB axisalignedbb = (new AABB(blockposition1, new BlockPos(blockposition1.getX(), this.getMaxBuildHeight(), blockposition1.getZ()))).inflate(3.0D);
             List<LivingEntity> list = this.getEntitiesOfClass(LivingEntity.class, axisalignedbb, (entityliving) -> {
-                return entityliving != null && entityliving.isAlive() && this.canSeeSky(entityliving.blockPosition());
+                return entityliving != null && entityliving.isAlive() && this.canSeeSky(entityliving.blockPosition()) && !entityliving.isSpectator(); // Paper - Fix lightning being able to hit spectators (MC-262422)
             });
 
             if (!list.isEmpty()) {
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 45b48da09eafa8482836e49768426069b0a73cca..16a1416cb2ce01071a033c5049edfb60b614d56a 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -91,7 +91,7 @@ public class ServerPlayerGameMode {
                 return event; // Paper
             }
             // CraftBukkit end
-            this.setGameModeForPlayer(gameMode, this.previousGameModeForPlayer);
+            this.setGameModeForPlayer(gameMode, this.gameModeForPlayer); // Paper - Fix MC-259571
             this.player.onUpdateAbilities();
             this.player.server.getPlayerList().broadcastAll(new ClientboundPlayerInfoUpdatePacket(ClientboundPlayerInfoUpdatePacket.Action.UPDATE_GAME_MODE, this.player), this.player); // CraftBukkit
             this.level.updateSleepingPlayerList();
diff --git a/src/main/java/net/minecraft/world/entity/Saddleable.java b/src/main/java/net/minecraft/world/entity/Saddleable.java
index effe4c4fb37fe13aece70cdef4966047d4719af9..7152674d3f3fb98198585cb5ece2bb88877345f9 100644
--- a/src/main/java/net/minecraft/world/entity/Saddleable.java
+++ b/src/main/java/net/minecraft/world/entity/Saddleable.java
@@ -9,6 +9,11 @@ public interface Saddleable {
     boolean isSaddleable();
 
     void equipSaddle(@Nullable SoundSource sound);
+    // Paper start - Fix saddles losing nbt data - MC-191591
+    default void equipSaddle(final @Nullable SoundSource sound, final @Nullable net.minecraft.world.item.ItemStack stack) {
+        this.equipSaddle(sound);
+    }
+    // Paper end
 
     default SoundEvent getSaddleSoundEvent() {
         return SoundEvents.HORSE_SADDLE;
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/SwellGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/SwellGoal.java
index 19540fd4a7f992888fadb6501d0c8a5a7e71fcf6..e241ae250f4f04a17ef2c583d00b065a4ca56a4c 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/SwellGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/SwellGoal.java
@@ -21,6 +21,13 @@ public class SwellGoal extends Goal {
         return this.creeper.getSwellDir() > 0 || livingEntity != null && this.creeper.distanceToSqr(livingEntity) < 9.0D;
     }
 
+    // Paper start - Fix MC-179072
+    @Override
+    public boolean canContinueToUse() {
+        return !net.minecraft.world.entity.EntitySelector.NO_CREATIVE_OR_SPECTATOR.test(this.creeper.getTarget()) && canUse();
+    }
+    // Paper end
+
     @Override
     public void start() {
         this.creeper.getNavigation().stop();
diff --git a/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java b/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java
index db533f458357683b8f3925d628ff1197144f67eb..cfa904d42734d0fb0c1ed8b18f4d8bc131027962 100644
--- a/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java
+++ b/src/main/java/net/minecraft/world/entity/animal/goat/Goat.java
@@ -236,9 +236,10 @@ public class Goat extends Animal {
             player.setItemInHand(hand, itemstack1);
             return InteractionResult.sidedSuccess(this.level.isClientSide);
         } else {
+            boolean isFood = this.isFood(itemstack); // Paper - track before stack is possibly decreased to 0 (Fixes MC-244739)
             InteractionResult enuminteractionresult = super.mobInteract(player, hand);
 
-            if (enuminteractionresult.consumesAction() && this.isFood(itemstack)) {
+            if (enuminteractionresult.consumesAction() && isFood) { // Paper
                 this.level.playSound((Player) null, (Entity) this, this.getEatingSound(itemstack), SoundSource.NEUTRAL, 1.0F, Mth.randomBetween(this.level.random, 0.8F, 1.2F));
             }
 
diff --git a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
index d38ac1f3ef105474df1294541041c2607ca53244..f9496f757bcf7000fab1f16386e775d54d96e47a 100644
--- a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
+++ b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
@@ -247,7 +247,13 @@ public abstract class AbstractHorse extends Animal implements ContainerListener,
 
     @Override
     public void equipSaddle(@Nullable SoundSource sound) {
-        this.inventory.setItem(0, new ItemStack(Items.SADDLE));
+        // Paper start - Fix saddles losing nbt data - MC-191591
+        this.equipSaddle(sound, null);
+    }
+    @Override
+    public void equipSaddle(@Nullable SoundSource sound, @Nullable ItemStack stack) {
+        this.inventory.setItem(0, stack != null ? stack : new ItemStack(Items.SADDLE));
+        // Paper end
         if (sound != null) {
             this.level.playSound((Player) null, (Entity) this, this.getSaddleSoundEvent(), sound, 0.5F, 1.0F);
         }
@@ -256,7 +262,7 @@ public abstract class AbstractHorse extends Animal implements ContainerListener,
 
     public void equipArmor(Player player, ItemStack stack) {
         if (this.isArmor(stack)) {
-            this.inventory.setItem(1, new ItemStack(stack.getItem()));
+            this.inventory.setItem(1, stack.copyWithCount(1)); // Paper - fix equipping items with nbt - MC-258360, MC-191591
             if (!player.getAbilities().instabuild) {
                 stack.shrink(1);
             }
diff --git a/src/main/java/net/minecraft/world/entity/animal/sniffer/Sniffer.java b/src/main/java/net/minecraft/world/entity/animal/sniffer/Sniffer.java
index 89f761871a84f8ab95f2a16aba8340bb8726da30..f6e2348b280eaefc0eb05bf5d962593caa654357 100644
--- a/src/main/java/net/minecraft/world/entity/animal/sniffer/Sniffer.java
+++ b/src/main/java/net/minecraft/world/entity/animal/sniffer/Sniffer.java
@@ -347,9 +347,10 @@ public class Sniffer extends Animal {
     @Override
     public InteractionResult mobInteract(Player player, InteractionHand hand) {
         ItemStack itemstack = player.getItemInHand(hand);
+        boolean wasFood = this.isFood(itemstack); // Paper - Fix MC-260219
         InteractionResult enuminteractionresult = super.mobInteract(player, hand);
 
-        if (enuminteractionresult.consumesAction() && this.isFood(itemstack)) {
+        if (enuminteractionresult.consumesAction() && wasFood) { // Paper - Fix MC-260219
             this.level.playSound((Player) null, (Entity) this, this.getEatingSound(itemstack), SoundSource.NEUTRAL, 1.0F, Mth.randomBetween(this.level.random, 0.8F, 1.2F));
         }
 
diff --git a/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java b/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java
index f174094febfdfdc309f1b50877be60bae8a98156..5f407535298a31a34cfe114dd863fd6a9b977707 100644
--- a/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java
+++ b/src/main/java/net/minecraft/world/entity/npc/CatSpawner.java
@@ -87,8 +87,8 @@ public class CatSpawner implements CustomSpawner {
         if (cat == null) {
             return 0;
         } else {
+            cat.moveTo(pos, 0.0F, 0.0F); // Paper - move up - Fix MC-147659
             cat.finalizeSpawn(world, world.getCurrentDifficultyAt(pos), MobSpawnType.NATURAL, (SpawnGroupData)null, (CompoundTag)null);
-            cat.moveTo(pos, 0.0F, 0.0F);
             world.addFreshEntityWithPassengers(cat);
             return 1;
         }
diff --git a/src/main/java/net/minecraft/world/entity/raid/Raids.java b/src/main/java/net/minecraft/world/entity/raid/Raids.java
index 7985beb01059a9e4394920bcf3335d842bd20f4e..fabce3bc592b1b172b227395a07febdbb66ec3c9 100644
--- a/src/main/java/net/minecraft/world/entity/raid/Raids.java
+++ b/src/main/java/net/minecraft/world/entity/raid/Raids.java
@@ -125,7 +125,7 @@ public class Raids extends SavedData {
                     // CraftBukkit end
                 } else {
                     player.removeEffect(MobEffects.BAD_OMEN);
-                    player.connection.send(new ClientboundEntityEventPacket(player, (byte) 43));
+                    this.level.broadcastEntityEvent(player, net.minecraft.world.entity.EntityEvent.BAD_OMEN_TRIGGERED /* (byte) 43 */); // Paper - Fix MC-253884
                 }
 
                 if (flag) {
@@ -140,7 +140,7 @@ public class Raids extends SavedData {
                     }
                     // CraftBukkit end
                     raid.absorbBadOmen(player);
-                    player.connection.send(new ClientboundEntityEventPacket(player, (byte) 43));
+                    this.level.broadcastEntityEvent(player, net.minecraft.world.entity.EntityEvent.BAD_OMEN_TRIGGERED /* (byte) 43 */); // Paper - Fix MC-253884
                     if (!raid.hasFirstWaveSpawned()) {
                         player.awardStat(Stats.RAID_TRIGGER);
                         CriteriaTriggers.BAD_OMEN.trigger(player);
diff --git a/src/main/java/net/minecraft/world/item/SaddleItem.java b/src/main/java/net/minecraft/world/item/SaddleItem.java
index c35375e15c0368fec12d37a4b82668b51d9fe9ff..0c975875f1f2d0236d42a291486a7e78e1702802 100644
--- a/src/main/java/net/minecraft/world/item/SaddleItem.java
+++ b/src/main/java/net/minecraft/world/item/SaddleItem.java
@@ -18,7 +18,7 @@ public class SaddleItem extends Item {
         if (entity instanceof Saddleable saddleable && entity.isAlive()) {
             if (!saddleable.isSaddled() && saddleable.isSaddleable()) {
                 if (!user.level.isClientSide) {
-                    saddleable.equipSaddle(SoundSource.NEUTRAL);
+                    saddleable.equipSaddle(SoundSource.NEUTRAL, stack.copyWithCount(1)); // Paper - Fix saddles losing nbt data - MC-191591
                     entity.level.gameEvent(entity, GameEvent.EQUIP, entity.position());
                     stack.shrink(1);
                 }
diff --git a/src/main/java/net/minecraft/world/level/block/AzaleaBlock.java b/src/main/java/net/minecraft/world/level/block/AzaleaBlock.java
index 023ed8441d629629828051b4098b09b06ce51a75..95b53450a807fccfa55b59852da52785b8cf3e3d 100644
--- a/src/main/java/net/minecraft/world/level/block/AzaleaBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/AzaleaBlock.java
@@ -45,4 +45,11 @@ public class AzaleaBlock extends BushBlock implements BonemealableBlock {
     public void performBonemeal(ServerLevel world, RandomSource random, BlockPos pos, BlockState state) {
         TREE_GROWER.growTree(world, world.getChunkSource().getGenerator(), pos, state, random);
     }
+
+    // Paper start - Fix MC-224454
+    @Override
+    public boolean isPathfindable(BlockState state, BlockGetter world, BlockPos pos, net.minecraft.world.level.pathfinder.PathComputationType type) {
+        return false;
+    }
+    // Paper end
 }
diff --git a/src/main/java/net/minecraft/world/level/block/LayeredCauldronBlock.java b/src/main/java/net/minecraft/world/level/block/LayeredCauldronBlock.java
index 2932419b7ca3f066b1db329829af36ba31e17c65..e11eced0bf15dfecaf64f5e1c28e973c38746095 100644
--- a/src/main/java/net/minecraft/world/level/block/LayeredCauldronBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/LayeredCauldronBlock.java
@@ -63,7 +63,7 @@ public class LayeredCauldronBlock extends AbstractCauldronBlock {
         if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper
         if (!world.isClientSide && entity.isOnFire() && this.isEntityInsideContent(state, pos, entity)) {
             // CraftBukkit start
-            if (entity.mayInteract(world, pos)) {
+            if ((entity instanceof net.minecraft.world.entity.player.Player || world.getGameRules().getBoolean(net.minecraft.world.level.GameRules.RULE_MOBGRIEFING)) && entity.mayInteract(world, pos)) { // Paper - Fixes MC-248588
                 if (!this.handleEntityOnFireInsideWithEvent(state, world, pos, entity)) { // Paper - fix powdered snow cauldron extinguishing entities
                     return;
                 }
diff --git a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
index 5e70b5f643faabfc05989de9592d8c5c787102e3..2a786c9fd29dc2139cf487fa645cd43345d60167 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
@@ -664,13 +664,10 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
 
     @Override
     public void fillStackedContents(StackedContents finder) {
-        Iterator iterator = this.items.iterator();
-
-        while (iterator.hasNext()) {
-            ItemStack itemstack = (ItemStack) iterator.next();
-
-            finder.accountStack(itemstack);
-        }
+        // Paper start - don't account fuel stack (fixes MC-243057)
+        finder.accountStack(this.items.get(SLOT_INPUT));
+        finder.accountStack(this.items.get(SLOT_RESULT));
+        // Paper end
 
     }
 }