diff options
Diffstat (limited to 'patches/server/0976-Restore-vanilla-entity-drops-behavior.patch')
| -rw-r--r-- | patches/server/0976-Restore-vanilla-entity-drops-behavior.patch | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/patches/server/0976-Restore-vanilla-entity-drops-behavior.patch b/patches/server/0976-Restore-vanilla-entity-drops-behavior.patch new file mode 100644 index 0000000000..06526387f1 --- /dev/null +++ b/patches/server/0976-Restore-vanilla-entity-drops-behavior.patch @@ -0,0 +1,241 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jake Potrebic <[email protected]> +Date: Tue, 22 Mar 2022 09:34:41 -0700 +Subject: [PATCH] Restore vanilla entity drops behavior + +Instead of just tracking the itemstacks, this tracks with it, the +action to take with that itemstack to apply the correct logic +on dropping the item instead of generalizing it for all dropped +items like CB does. + +diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java +index 649e175b6d656fa89c1a59c36230b793c8d07e15..dcd69b2b054222d1749aab599caca8340bddf345 100644 +--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java ++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java +@@ -936,22 +936,20 @@ public class ServerPlayer extends Player { + if (this.isRemoved()) { + return; + } +- java.util.List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<org.bukkit.inventory.ItemStack>(this.getInventory().getContainerSize()); ++ List<DefaultDrop> loot = new java.util.ArrayList<>(this.getInventory().getContainerSize()); // Paper - Restore vanilla drops behavior + boolean keepInventory = this.level().getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY) || this.isSpectator(); + + if (!keepInventory) { + for (ItemStack item : this.getInventory().getContents()) { + if (!item.isEmpty() && !EnchantmentHelper.hasVanishingCurse(item)) { +- loot.add(CraftItemStack.asCraftMirror(item)); ++ loot.add(new DefaultDrop(item, stack -> this.drop(stack, true, false, false))); // Paper - Restore vanilla drops behavior; drop function taken from Inventory#dropAll (don't fire drop event) + } + } + } + if (this.shouldDropLoot() && this.level().getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) { // Paper - fix player loottables running when mob loot gamerule is false + // SPIGOT-5071: manually add player loot tables (SPIGOT-5195 - ignores keepInventory rule) + this.dropFromLootTable(damageSource, this.lastHurtByPlayerTime > 0); +- for (org.bukkit.inventory.ItemStack item : this.drops) { +- loot.add(item); +- } ++ loot.addAll(this.drops); // Paper + this.drops.clear(); // SPIGOT-5188: make sure to clear + } // Paper - fix player loottables running when mob loot gamerule is false + +@@ -2434,8 +2432,8 @@ public class ServerPlayer extends Player { + } + + @Override +- public ItemEntity drop(ItemStack stack, boolean throwRandomly, boolean retainOwnership) { +- ItemEntity entityitem = super.drop(stack, throwRandomly, retainOwnership); ++ public ItemEntity drop(ItemStack stack, boolean throwRandomly, boolean retainOwnership, boolean callDropEvent) { // Paper - Restore vanilla drops behavior; override method with most params ++ ItemEntity entityitem = super.drop(stack, throwRandomly, retainOwnership, callDropEvent); // Paper - Restore vanilla drops behavior; override method with most params + + if (entityitem == null) { + return null; +diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java +index 6813998a6bf9e74d663194a6be6bc222b8b129b6..aed6ab8c381ab0be56c2477869e57bfb063a51bc 100644 +--- a/src/main/java/net/minecraft/world/entity/Entity.java ++++ b/src/main/java/net/minecraft/world/entity/Entity.java +@@ -2531,6 +2531,25 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S + + @Nullable + public ItemEntity spawnAtLocation(ItemStack stack, float yOffset) { ++ // Paper start - Restore vanilla drops behavior ++ return this.spawnAtLocation(stack, yOffset, null); ++ } ++ public record DefaultDrop(Item item, org.bukkit.inventory.ItemStack stack, @Nullable java.util.function.Consumer<ItemStack> dropConsumer) { ++ public DefaultDrop(final ItemStack stack, final java.util.function.Consumer<ItemStack> dropConsumer) { ++ this(stack.getItem(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(stack), dropConsumer); ++ } ++ ++ public void runConsumer(final org.bukkit.World fallbackWorld, final Location fallbackLoc) { ++ if (this.dropConsumer == null || org.bukkit.craftbukkit.util.CraftMagicNumbers.getItem(this.stack.getType()) != this.item) { ++ fallbackWorld.dropItem(fallbackLoc, this.stack); ++ } else { ++ this.dropConsumer.accept(org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(this.stack)); ++ } ++ } ++ } ++ @Nullable ++ public ItemEntity spawnAtLocation(ItemStack stack, float yOffset, @Nullable java.util.function.Consumer<? super ItemEntity> delayedAddConsumer) { ++ // Paper end - Restore vanilla drops behavior + if (stack.isEmpty()) { + return null; + } else if (this.level().isClientSide) { +@@ -2538,14 +2557,21 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S + } else { + // CraftBukkit start - Capture drops for death event + if (this instanceof net.minecraft.world.entity.LivingEntity && !((net.minecraft.world.entity.LivingEntity) this).forceDrops) { +- ((net.minecraft.world.entity.LivingEntity) this).drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(stack)); // Paper - mirror so we can destroy it later ++ // Paper start - Restore vanilla drops behavior ++ ((net.minecraft.world.entity.LivingEntity) this).drops.add(new net.minecraft.world.entity.Entity.DefaultDrop(stack, itemStack -> { ++ ItemEntity itemEntity = new ItemEntity(this.level, this.getX(), this.getY() + (double) yOffset, this.getZ(), itemStack); // stack is copied before consumer ++ itemEntity.setDefaultPickUpDelay(); ++ this.level.addFreshEntity(itemEntity); ++ if (delayedAddConsumer != null) delayedAddConsumer.accept(itemEntity); ++ })); ++ // Paper end - Restore vanilla drops behavior + return null; + } + // CraftBukkit end + ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), this.getY() + (double) yOffset, this.getZ(), stack.copy()); // Paper - copy so we can destroy original + stack.setCount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe + +- entityitem.setDefaultPickUpDelay(); ++ entityitem.setDefaultPickUpDelay(); // Paper - diff on change (in dropConsumer) + // Paper start - Call EntityDropItemEvent + return this.spawnAtLocation(entityitem); + } +diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java +index be0fa9a9e91c87234b0cd7b63c4e7dba8629ebe5..d3d958b58934bcb513ffef474a9de58c61e654a2 100644 +--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java ++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java +@@ -254,7 +254,7 @@ public abstract class LivingEntity extends Entity implements Attackable { + // CraftBukkit start + public int expToDrop; + public boolean forceDrops; +- public ArrayList<org.bukkit.inventory.ItemStack> drops = new ArrayList<org.bukkit.inventory.ItemStack>(); ++ public ArrayList<DefaultDrop> drops = new ArrayList<>(); // Paper - Restore vanilla drops behavior + public final org.bukkit.craftbukkit.attribute.CraftAttributeMap craftAttributes; + public boolean collides = true; + public Set<UUID> collidableExemptions = new HashSet<>(); +diff --git a/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java b/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java +index 45906d273e6d6ec20cf44b4d07efdac68752ee9b..ac9eaeaf7df1e84ee588f371628c0a10784d50bc 100644 +--- a/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java ++++ b/src/main/java/net/minecraft/world/entity/boss/wither/WitherBoss.java +@@ -534,10 +534,10 @@ public class WitherBoss extends Monster implements PowerableMob, RangedAttackMob + @Override + protected void dropCustomDeathLoot(DamageSource source, int lootingMultiplier, boolean allowDrops) { + super.dropCustomDeathLoot(source, lootingMultiplier, allowDrops); +- ItemEntity entityitem = this.spawnAtLocation((ItemLike) Items.NETHER_STAR); ++ ItemEntity entityitem = this.spawnAtLocation(new net.minecraft.world.item.ItemStack(Items.NETHER_STAR), 0, ItemEntity::setExtendedLifetime); // Paper - Restore vanilla drops behavior; spawnAtLocation returns null so modify the item entity with a consumer + + if (entityitem != null) { +- entityitem.setExtendedLifetime(); ++ entityitem.setExtendedLifetime(); // Paper - diff on change + } + + } +diff --git a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java +index e3412f9dd86dddd241bea8f6dcaeed77a7e67f08..6dfcc296ff7e59ecbebc5446973fabc9eff3cb43 100644 +--- a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java ++++ b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java +@@ -610,7 +610,7 @@ public class ArmorStand extends LivingEntity { + itemstack.setHoverName(this.getCustomName()); + } + +- this.drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops ++ this.drops.add(new DefaultDrop(itemstack, stack -> Block.popResource(this.level(), this.blockPosition(), stack))); // CraftBukkit - add to drops // Paper - Restore vanilla drops behavior + return this.brokenByAnything(damageSource); // Paper + } + +@@ -624,7 +624,7 @@ public class ArmorStand extends LivingEntity { + for (i = 0; i < this.handItems.size(); ++i) { + itemstack = (ItemStack) this.handItems.get(i); + if (!itemstack.isEmpty()) { +- this.drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // CraftBukkit - add to drops // Paper - mirror so we can destroy it later - though this call site was safe ++ this.drops.add(new DefaultDrop(itemstack, stack -> Block.popResource(this.level(), this.blockPosition().above(), stack))); // CraftBukkit - add to drops // Paper - Restore vanilla drops behavior; mirror so we can destroy it later - though this call site was safe & spawn drops correctly + this.handItems.set(i, ItemStack.EMPTY); + } + } +@@ -632,7 +632,7 @@ public class ArmorStand extends LivingEntity { + for (i = 0; i < this.armorItems.size(); ++i) { + itemstack = (ItemStack) this.armorItems.get(i); + if (!itemstack.isEmpty()) { +- this.drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // CraftBukkit - add to drops // Paper - mirror so we can destroy it later - though this call site was safe ++ this.drops.add(new DefaultDrop(itemstack, stack -> Block.popResource(this.level(), this.blockPosition().above(), stack))); // CraftBukkit - add to drops // Paper - Restore vanilla drops behavior; mirror so we can destroy it later - though this call site was safe & spawn drops correctly + this.armorItems.set(i, ItemStack.EMPTY); + } + } +diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java +index 3865e6c7af0203ff9a366571a276b8af43b97c7c..93f79e5c7244fc155364a35a75a62d42f2d1ee27 100644 +--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java ++++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java +@@ -937,17 +937,21 @@ public class CraftEventFactory { + } + + public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim) { +- return CraftEventFactory.callEntityDeathEvent(victim, new ArrayList<org.bukkit.inventory.ItemStack>(0)); ++ return CraftEventFactory.callEntityDeathEvent(victim, new ArrayList<>(0)); // Paper - Restore vanilla drops behavior + } + +- public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<org.bukkit.inventory.ItemStack> drops) { ++ public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<Entity.DefaultDrop> drops) { // Paper - Restore vanilla drops behavior + // Paper start + return CraftEventFactory.callEntityDeathEvent(victim, drops, com.google.common.util.concurrent.Runnables.doNothing()); + } +- public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<org.bukkit.inventory.ItemStack> drops, Runnable lootCheck) { ++ private static java.util.function.Function<org.bukkit.inventory.ItemStack, Entity.DefaultDrop> FROM_FUNCTION = stack -> { ++ if (stack == null) return null; ++ return new Entity.DefaultDrop(CraftItemType.bukkitToMinecraft(stack.getType()), stack, null); ++ }; ++ public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<Entity.DefaultDrop> drops, Runnable lootCheck) { // Paper + // Paper end + CraftLivingEntity entity = (CraftLivingEntity) victim.getBukkitEntity(); +- EntityDeathEvent event = new EntityDeathEvent(entity, drops, victim.getExpReward()); ++ EntityDeathEvent event = new EntityDeathEvent(entity, new io.papermc.paper.util.TransformingRandomAccessList<>(drops, Entity.DefaultDrop::stack, FROM_FUNCTION), victim.getExpReward()); // Paper - Restore vanilla drops behavior + populateFields(victim, event); // Paper - make cancellable + CraftWorld world = (CraftWorld) entity.getWorld(); + Bukkit.getServer().getPluginManager().callEvent(event); +@@ -961,19 +965,23 @@ public class CraftEventFactory { + victim.expToDrop = event.getDroppedExp(); + lootCheck.run(); // Paper - advancement triggers before destroying items + +- for (org.bukkit.inventory.ItemStack stack : event.getDrops()) { ++ // Paper start - Restore vanilla drops behavior ++ for (Entity.DefaultDrop drop : drops) { ++ if (drop == null) continue;; ++ final org.bukkit.inventory.ItemStack stack = drop.stack(); ++ // Paper end - Restore vanilla drops behavior + if (stack == null || stack.getType() == Material.AIR || stack.getAmount() == 0) continue; + +- world.dropItem(entity.getLocation(), stack); // Paper - note: dropItem already clones due to this being bukkit -> NMS ++ drop.runConsumer(world, entity.getLocation()); // Paper - Restore vanilla drops behavior + if (stack instanceof CraftItemStack) stack.setAmount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe, but don't nuke bukkit stacks of manually added items + } + + return event; + } + +- public static PlayerDeathEvent callPlayerDeathEvent(ServerPlayer victim, List<org.bukkit.inventory.ItemStack> drops, net.kyori.adventure.text.Component deathMessage, boolean keepInventory) { // Paper - Adventure ++ public static PlayerDeathEvent callPlayerDeathEvent(ServerPlayer victim, List<Entity.DefaultDrop> drops, net.kyori.adventure.text.Component deathMessage, boolean keepInventory) { // Paper - Adventure & Restore vanilla drops behavior + CraftPlayer entity = victim.getBukkitEntity(); +- PlayerDeathEvent event = new PlayerDeathEvent(entity, drops, victim.getExpReward(), 0, deathMessage); ++ PlayerDeathEvent event = new PlayerDeathEvent(entity, new io.papermc.paper.util.TransformingRandomAccessList<>(drops, Entity.DefaultDrop::stack, FROM_FUNCTION), victim.getExpReward(), 0, deathMessage); // Paper - Restore vanilla drops behavior + event.setKeepInventory(keepInventory); + event.setKeepLevel(victim.keepLevel); // SPIGOT-2222: pre-set keepLevel + populateFields(victim, event); // Paper - make cancellable +@@ -992,10 +1000,14 @@ public class CraftEventFactory { + victim.expToDrop = event.getDroppedExp(); + victim.newExp = event.getNewExp(); + +- for (org.bukkit.inventory.ItemStack stack : event.getDrops()) { ++ // Paper start - Restore vanilla drops behavior ++ for (Entity.DefaultDrop drop : drops) { ++ if (drop == null) continue; ++ final org.bukkit.inventory.ItemStack stack = drop.stack(); ++ // Paper end - Restore vanilla drops behavior + if (stack == null || stack.getType() == Material.AIR) continue; + +- world.dropItem(entity.getLocation(), stack); ++ drop.runConsumer(world, entity.getLocation()); // Paper - Restore vanilla drops behavior + } + + return event; |