Paper/patches/server/0896-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-121048
  by: MelnCat <melncatuwu@gmail.com>
  This moves the setHealth call to below the recordDamage call to prevent
  recordDamage from clearing the CombatTracker, since recordDamage will
  clear the CombatTracker if the entity is dead. This fixes death messages
  such as the "doomed to fall" messages.

https://bugs.mojang.com/browse/MC-257875
  by: Jake Potrebic <jake.m.potrebic@gmail.com>
  Fixes server not consuming fire charges when igniting a creeper

https://bugs.mojang.com/browse/MC-258535
  by: Jake Potrebic <jake.m.potrebic@gmail.com>
  Fixes certain explosion damage not scaling with difficulty

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

Co-authored-by: William Blake Galbreath <blake.galbreath@gmail.com>
Co-authored-by: MelnCat <melncatuwu@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 1023f91b6a23fc974ba709ec09834d9faae8003a..6fedf7381762ae3d76c4801ed6d5c0844c6c857b 100644
--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
@@ -351,7 +351,7 @@ 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/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 13031576c20bda3bb12c926f6cd938fa5fb105f2..f14c4ec49e7206b8192050f1bd20a18e78f392fa 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/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/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
 
     }
 }