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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.
58 lines
4.4 KiB
Diff
58 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Fri, 4 Mar 2022 20:35:19 +0100
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Subject: [PATCH] Fix falling block spawn methods
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Restores the API behavior from previous versions of the server
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- Do not call API events
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- Do not replace the existing block in the world
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== AT ==
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public net.minecraft.world.entity.item.FallingBlockEntity <init>(Lnet/minecraft/world/level/Level;DDDLnet/minecraft/world/level/block/state/BlockState;)V
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 83771925dc7009d56fc3c8283d75880c7e61296a..9b7304ea9a4f226872d13e64722adb267f727806 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -1385,7 +1385,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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Preconditions.checkArgument(material != null, "Material cannot be null");
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Preconditions.checkArgument(material.isBlock(), "Material.%s must be a block", material);
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- FallingBlockEntity entity = FallingBlockEntity.fall(this.world, BlockPos.containing(location.getX(), location.getY(), location.getZ()), CraftBlockType.bukkitToMinecraft(material).defaultBlockState(), SpawnReason.CUSTOM);
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+ // Paper start - restore API behavior for spawning falling blocks
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+ FallingBlockEntity entity = new FallingBlockEntity(this.world, location.getX(), location.getY(), location.getZ(), CraftBlockType.bukkitToMinecraft(material).defaultBlockState()); // Paper
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+ entity.time = 1;
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+
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+ this.world.addFreshEntity(entity, SpawnReason.CUSTOM);
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+ // Paper end - restore API behavior for spawning falling blocks
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return (FallingBlock) entity.getBukkitEntity();
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}
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@@ -1394,7 +1399,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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Preconditions.checkArgument(location != null, "Location cannot be null");
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Preconditions.checkArgument(data != null, "BlockData cannot be null");
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- FallingBlockEntity entity = FallingBlockEntity.fall(this.world, BlockPos.containing(location.getX(), location.getY(), location.getZ()), ((CraftBlockData) data).getState(), SpawnReason.CUSTOM);
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+ // Paper start - restore API behavior for spawning falling blocks
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+ FallingBlockEntity entity = new FallingBlockEntity(this.world, location.getX(), location.getY(), location.getZ(), ((CraftBlockData) data).getState());
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+ entity.time = 1;
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+
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+ this.world.addFreshEntity(entity, SpawnReason.CUSTOM);
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+ // Paper end - restore API behavior for spawning falling blocks
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return (FallingBlock) entity.getBukkitEntity();
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
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index f8ce309c6ec8c294378d2cd9bc542e43338f8376..0bafd3b1a55154c8e9eb37c96df9f5985640a675 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
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@@ -440,7 +440,7 @@ public final class CraftEntityTypes {
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register(new EntityTypeData<>(EntityType.TNT, TNTPrimed.class, CraftTNTPrimed::new, spawnData -> new PrimedTnt(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), null)));
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register(new EntityTypeData<>(EntityType.FALLING_BLOCK, FallingBlock.class, CraftFallingBlock::new, spawnData -> {
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BlockPos pos = BlockPos.containing(spawnData.x(), spawnData.y(), spawnData.z());
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- return FallingBlockEntity.fall(spawnData.minecraftWorld(), pos, spawnData.world().getBlockState(pos));
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+ return new FallingBlockEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), spawnData.world().getBlockState(pos)); // Paper - create falling block entities correctly
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}));
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register(new EntityTypeData<>(EntityType.FIREWORK_ROCKET, Firework.class, CraftFirework::new, spawnData -> new FireworkRocketEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), net.minecraft.world.item.ItemStack.EMPTY)));
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register(new EntityTypeData<>(EntityType.EVOKER_FANGS, EvokerFangs.class, CraftEvokerFangs::new, spawnData -> new net.minecraft.world.entity.projectile.EvokerFangs(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), (float) Math.toRadians(spawnData.yaw()), 0, null)));
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