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8c5b837e05
Firstly, the old methods all routed to the CompletableFuture method. However, the CF method could not guarantee that if the caller was off-main that the future would be "completed" on-main. Since the callback methods used the CF one, this meant that the callback methods did not guarantee that the callbacks were to be called on the main thread. Now, all methods route to getChunkAtAsync(x, z, gen, urgent, cb) so that the methods with the callback are guaranteed to invoke the callback on the main thread. The CF behavior remains unchanged; it may still appear to complete on main if invoked off-main. Secondly, remove the scheduleOnMain invocation in the async chunk completion. This unnecessarily delays the callback by 1 tick. Thirdly, add getChunksAtAsync(minX, minZ, maxX, maxZ, ...) which will load chunks within an area. This method is provided as a helper as keeping all chunks loaded within an area can be complicated to implement for plugins (due to the lacking ticket API), and is already implemented internally anyways. Fourthly, remove the ticket addition that occured with getChunkAt and getChunkAtAsync. The ticket addition may delay the unloading of the chunk unnecessarily. It also fixes a very rare timing bug where the future/callback would be completed after the chunk unloads.
104 lines
8.3 KiB
Diff
104 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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