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https://github.com/PaperMC/Paper.git
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105 lines
8.3 KiB
Diff
105 lines
8.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Mon, 12 Dec 2022 12:14:03 -0800
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Subject: [PATCH] Properly track the changed item from dispense events
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diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
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index 681c38f4457fc10806c10518b16159580c0f2619..8f9b86e50717746e55232293d9e5ac05b8616aa0 100644
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--- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
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+++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java
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@@ -129,10 +129,14 @@ public interface DispenseItemBehavior {
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idispensebehavior.dispense(pointer, eventStack);
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return stack;
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}
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+ // Paper start - track changed items in the dispense event
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+ itemstack1 = CraftItemStack.unwrap(event.getItem()); // unwrap is safe because the stack won't be modified
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+ entitytypes = ((SpawnEggItem) itemstack1.getItem()).getType(itemstack1);
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+ // Paper end - track changed item from dispense event
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}
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try {
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- entitytypes.spawn(pointer.level(), stack, (Player) null, pointer.pos().relative(enumdirection), EntitySpawnReason.DISPENSER, enumdirection != Direction.UP, false);
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+ entitytypes.spawn(pointer.level(), itemstack1, (Player) null, pointer.pos().relative(enumdirection), EntitySpawnReason.DISPENSER, enumdirection != Direction.UP, false); // Paper - track changed item in dispense event
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} catch (Exception exception) {
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DispenseItemBehavior.LOGGER.error("Error while dispensing spawn egg from dispenser at {}", pointer.pos(), exception); // CraftBukkit - decompile error
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return ItemStack.EMPTY;
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@@ -186,9 +190,10 @@ public interface DispenseItemBehavior {
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}
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// CraftBukkit end
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+ final ItemStack newStack = CraftItemStack.unwrap(event.getItem()); // Paper - use event itemstack (unwrap is fine here because the stack won't be modified)
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Consumer<ArmorStand> consumer = EntityType.appendDefaultStackConfig((entityarmorstand) -> {
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entityarmorstand.setYRot(enumdirection.toYRot());
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- }, worldserver, stack, (Player) null);
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+ }, worldserver, newStack, (Player) null); // Paper - track changed items in the dispense event
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ArmorStand entityarmorstand = (ArmorStand) EntityType.ARMOR_STAND.spawn(worldserver, consumer, blockposition, EntitySpawnReason.DISPENSER, false, false);
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if (entityarmorstand != null) {
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@@ -237,7 +242,7 @@ public interface DispenseItemBehavior {
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return stack;
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}
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}
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- ((Saddleable) list.get(0)).equipSaddle(itemstack1, SoundSource.BLOCKS);
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+ ((Saddleable) list.get(0)).equipSaddle(CraftItemStack.asNMSCopy(event.getItem()), SoundSource.BLOCKS); // Paper - track changed items in dispense event
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// CraftBukkit end
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this.setSuccess(true);
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return stack;
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@@ -330,6 +335,7 @@ public interface DispenseItemBehavior {
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int y = blockposition.getY();
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int z = blockposition.getZ();
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BlockState iblockdata = worldserver.getBlockState(blockposition);
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+ ItemStack dispensedItem = stack; // Paper - track changed item from the dispense event
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// Paper start - correctly check if the bucket place will succeed
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/* Taken from SolidBucketItem#emptyContents */
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boolean willEmptyContentsSolidBucketItem = dispensiblecontaineritem instanceof net.minecraft.world.item.SolidBucketItem && worldserver.isInWorldBounds(blockposition) && iblockdata.isAir();
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@@ -359,12 +365,15 @@ public interface DispenseItemBehavior {
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}
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}
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- dispensiblecontaineritem = (DispensibleContainerItem) CraftItemStack.asNMSCopy(event.getItem()).getItem();
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+ // Paper start - track changed item from dispense event
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+ dispensedItem = CraftItemStack.unwrap(event.getItem()); // unwrap is safe here as the stack isn't mutated
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+ dispensiblecontaineritem = (DispensibleContainerItem) dispensedItem.getItem();
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+ // Paper end - track changed item from dispense event
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}
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// CraftBukkit end
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if (dispensiblecontaineritem.emptyContents((Player) null, worldserver, blockposition, (BlockHitResult) null)) {
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- dispensiblecontaineritem.checkExtraContent((Player) null, worldserver, stack, blockposition);
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+ dispensiblecontaineritem.checkExtraContent((Player) null, worldserver, dispensedItem, blockposition); // Paper - track changed item from dispense event
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return this.consumeWithRemainder(pointer, stack, new ItemStack(Items.BUCKET));
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} else {
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return this.defaultDispenseItemBehavior.dispense(pointer, stack);
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diff --git a/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java
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index baf3feee740c816cf9f0470a8e56a36d02c9a29c..281439e430fb8e587549da783bdd93432f8f957f 100644
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--- a/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java
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+++ b/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java
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@@ -65,7 +65,7 @@ public class ProjectileDispenseBehavior extends DefaultDispenseItemBehavior {
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// SPIGOT-7923: Avoid create projectiles with empty item
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if (!itemstack1.isEmpty()) {
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- Projectile iprojectile = Projectile.spawnProjectileUsingShoot(this.projectileItem.asProjectile(worldserver, iposition, itemstack1, enumdirection), worldserver, itemstack1, event.getVelocity().getX(), event.getVelocity().getY(), event.getVelocity().getZ(), this.dispenseConfig.power(), this.dispenseConfig.uncertainty());
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+ Projectile iprojectile = Projectile.spawnProjectileUsingShoot(this.projectileItem.asProjectile(worldserver, iposition, CraftItemStack.unwrap(event.getItem()), enumdirection), worldserver, itemstack1, event.getVelocity().getX(), event.getVelocity().getY(), event.getVelocity().getZ(), this.dispenseConfig.power(), this.dispenseConfig.uncertainty()); // Paper - track changed items in the dispense event; unwrap is safe here because all uses of the stack make their own copies
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iprojectile.projectileSource = new org.bukkit.craftbukkit.projectiles.CraftBlockProjectileSource(pointer.blockEntity());
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}
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// itemstack.shrink(1); // CraftBukkit - Handled during event processing
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diff --git a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
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index cc85e96035f7cb2e6493b1cc4748031171d7dbee..16b435216dc7c6a3f8c1c0f9e2323e6afb3a6cb9 100644
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--- a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
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+++ b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java
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@@ -57,7 +57,12 @@ public class ShulkerBoxDispenseBehavior extends OptionalDispenseItemBehavior {
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// CraftBukkit end
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try {
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- this.setSuccess(((BlockItem) item).place(new DirectionalPlaceContext(pointer.level(), blockposition, enumdirection, stack, enumdirection1)).consumesAction());
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+ // Paper start - track changed items in the dispense event
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+ this.setSuccess(((BlockItem) item).place(new DirectionalPlaceContext(pointer.level(), blockposition, enumdirection, CraftItemStack.asNMSCopy(event.getItem()), enumdirection1)).consumesAction());
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+ if (this.isSuccess()) {
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+ stack.shrink(1); // vanilla shrink is in the place function above, manually handle it here
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+ }
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+ // Paper end - track changed items in the dispense event
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} catch (Exception exception) {
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ShulkerBoxDispenseBehavior.LOGGER.error("Error trying to place shulker box at {}", blockposition, exception);
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}
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