From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic Date: Mon, 12 Dec 2022 12:14:03 -0800 Subject: [PATCH] Properly track the changed item from dispense events diff --git a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java index 32084df594649d8da04052bbfa111896d8ea1f91..d194c08a50493da39f2457dc55fed953f78c6199 100644 --- a/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java +++ b/src/main/java/net/minecraft/core/dispenser/DispenseItemBehavior.java @@ -133,10 +133,14 @@ public interface DispenseItemBehavior { idispensebehavior.dispense(pointer, eventStack); return stack; } + // Paper start - track changed items in the dispense event + itemstack1 = CraftItemStack.unwrap(event.getItem()); // unwrap is safe because the stack won't be modified + entitytypes = ((SpawnEggItem) itemstack1.getItem()).getType(itemstack1.getTag()); + // Paper end - track changed item from dispense event } try { - entitytypes.spawn(pointer.level(), stack, (Player) null, pointer.pos().relative(enumdirection), MobSpawnType.DISPENSER, enumdirection != Direction.UP, false); + entitytypes.spawn(pointer.level(), itemstack1, (Player) null, pointer.pos().relative(enumdirection), MobSpawnType.DISPENSER, enumdirection != Direction.UP, false); // Paper - track changed item in dispense event } catch (Exception exception) { DispenseItemBehavior.LOGGER.error("Error while dispensing spawn egg from dispenser at {}", pointer.pos(), exception); // CraftBukkit - decompile error return ItemStack.EMPTY; @@ -191,9 +195,10 @@ public interface DispenseItemBehavior { } // CraftBukkit end + final ItemStack newStack = CraftItemStack.unwrap(event.getItem()); // Paper - use event itemstack (unwrap is fine here because the stack won't be modified) Consumer consumer = EntityType.appendDefaultStackConfig((entityarmorstand) -> { entityarmorstand.setYRot(enumdirection.toYRot()); - }, worldserver, stack, (Player) null); + }, worldserver, newStack, (Player) null); // Paper - track changed items in the dispense event ArmorStand entityarmorstand = (ArmorStand) EntityType.ARMOR_STAND.spawn(worldserver, consumer, blockposition, MobSpawnType.DISPENSER, false, false); if (entityarmorstand != null) { @@ -413,6 +418,7 @@ public interface DispenseItemBehavior { int y = blockposition.getY(); int z = blockposition.getZ(); BlockState iblockdata = worldserver.getBlockState(blockposition); + ItemStack dispensedItem = stack; // Paper - track changed item from the dispense event // Paper start - correctly check if the bucket place will succeed /* Taken from SolidBucketItem#emptyContents */ boolean willEmptyContentsSolidBucketItem = dispensiblecontaineritem instanceof net.minecraft.world.item.SolidBucketItem && worldserver.isInWorldBounds(blockposition) && iblockdata.isAir(); @@ -442,12 +448,15 @@ public interface DispenseItemBehavior { } } - dispensiblecontaineritem = (DispensibleContainerItem) CraftItemStack.asNMSCopy(event.getItem()).getItem(); + // Paper start - track changed item from dispense event + dispensedItem = CraftItemStack.unwrap(event.getItem()); // unwrap is safe here as the stack isn't mutated + dispensiblecontaineritem = (DispensibleContainerItem) dispensedItem.getItem(); + // Paper end - track changed item from dispense event } // CraftBukkit end if (dispensiblecontaineritem.emptyContents((Player) null, worldserver, blockposition, (BlockHitResult) null)) { - dispensiblecontaineritem.checkExtraContent((Player) null, worldserver, stack, blockposition); + dispensiblecontaineritem.checkExtraContent((Player) null, worldserver, dispensedItem, blockposition); // Paper - track changed item from dispense event // CraftBukkit start - Handle stacked buckets Item item = Items.BUCKET; stack.shrink(1); diff --git a/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java index 985954030654d521291cccbfc3ca49b67ee4357d..e37d2d29f3ba67cfe28abe4847a3dca07121f0be 100644 --- a/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java +++ b/src/main/java/net/minecraft/core/dispenser/ProjectileDispenseBehavior.java @@ -36,7 +36,7 @@ public class ProjectileDispenseBehavior extends DefaultDispenseItemBehavior { ServerLevel worldserver = pointer.level(); Direction enumdirection = (Direction) pointer.state().getValue(DispenserBlock.FACING); Position iposition = this.dispenseConfig.positionFunction().getDispensePosition(pointer, enumdirection); - Projectile iprojectile = this.projectileItem.asProjectile(worldserver, iposition, stack, enumdirection); + // Paper - move down // CraftBukkit start // this.projectileItem.shoot(iprojectile, (double) enumdirection.getStepX(), (double) enumdirection.getStepY(), (double) enumdirection.getStepZ(), this.dispenseConfig.power(), this.dispenseConfig.uncertainty()); @@ -66,6 +66,7 @@ public class ProjectileDispenseBehavior extends DefaultDispenseItemBehavior { } } + Projectile iprojectile = this.projectileItem.asProjectile(worldserver, iposition, CraftItemStack.unwrap(event.getItem()), enumdirection); // Paper - move from above and track changed items in the dispense event; unwrap is safe here because all uses of the stack make their own copies this.projectileItem.shoot(iprojectile, event.getVelocity().getX(), event.getVelocity().getY(), event.getVelocity().getZ(), this.dispenseConfig.power(), this.dispenseConfig.uncertainty()); ((Entity) iprojectile).projectileSource = new org.bukkit.craftbukkit.projectiles.CraftBlockProjectileSource(pointer.blockEntity()); // CraftBukkit end diff --git a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java index 6f2adf2334e35e8a617a4ced0c1af2abf32bbd8d..cb308808906a8cdb127df8284e106e00553473ca 100644 --- a/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java +++ b/src/main/java/net/minecraft/core/dispenser/ShulkerBoxDispenseBehavior.java @@ -57,7 +57,12 @@ public class ShulkerBoxDispenseBehavior extends OptionalDispenseItemBehavior { // CraftBukkit end try { - this.setSuccess(((BlockItem) item).place(new DirectionalPlaceContext(pointer.level(), blockposition, enumdirection, stack, enumdirection1)).consumesAction()); + // Paper start - track changed items in the dispense event + this.setSuccess(((BlockItem) item).place(new DirectionalPlaceContext(pointer.level(), blockposition, enumdirection, CraftItemStack.asNMSCopy(event.getItem()), enumdirection1)).consumesAction()); + if (this.isSuccess()) { + stack.shrink(1); // vanilla shrink is in the place function above, manually handle it here + } + // Paper end - track changed items in the dispense event } catch (Exception exception) { ShulkerBoxDispenseBehavior.LOGGER.error("Error trying to place shulker box at {}", blockposition, exception); }