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01a13871de
Patch documentation to come Issues with the old system that are fixed now: - World generation does not scale with cpu cores effectively. - Relies on the main thread for scheduling and maintaining chunk state, dropping chunk load/generate rates at lower tps. - Unreliable prioritisation of chunk gen/load calls that block the main thread. - Shutdown logic is utterly unreliable, as it has to wait for all chunks to unload - is it guaranteed that the chunk system is in a state on shutdown that it can reliably do this? Watchdog shutdown also typically failed due to thread checks, which is now resolved. - Saving of data is not unified (i.e can save chunk data without saving entity data, poses problems for desync if shutdown is really abnormal. - Entities are not loaded with chunks. This caused quite a bit of headache for Chunk#getEntities API, but now the new chunk system loads entities with chunks so that they are ready whenever the chunk loads in. Effectively brings the behavior back to 1.16 era, but still storing entities in their own separate regionfiles. The above list is not complete. The patch documentation will complete it. New chunk system hard relies on starlight and dataconverter, and most importantly the new concurrent utilities in ConcurrentUtil. Some of the old async chunk i/o interface (i.e the old file io thread reroutes _some_ calls to the new file io thread) is kept for plugin compat reasons. It will be removed in the next major version of minecraft. The old legacy chunk system patches have been moved to the removed folder in case we need them again.
55 lines
3.3 KiB
Diff
55 lines
3.3 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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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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index d1fca0e3227b5f37c11367548be362f5a49b6a71..5628940cd3c3566c5db2beda506d4f20b6e3cbae 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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@@ -566,7 +566,7 @@ public abstract class CraftRegionAccessor implements RegionAccessor {
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// Paper end
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} else if (FallingBlock.class.isAssignableFrom(clazz)) {
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BlockPos pos = new BlockPos(x, y, z);
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- entity = FallingBlockEntity.fall(world, pos, this.getHandle().getBlockState(pos));
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+ entity = new FallingBlockEntity(world, x, y, z, this.getHandle().getBlockState(pos)); // Paper
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} else if (Projectile.class.isAssignableFrom(clazz)) {
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if (Snowball.class.isAssignableFrom(clazz)) {
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entity = new net.minecraft.world.entity.projectile.Snowball(world, x, y, z);
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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 7757e5b1aec0b1f0cba79aa4618a7fe1d210b72c..8ab92e7a9ed2008b90f3a816d972512f5dc58876 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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@@ -1395,7 +1395,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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Validate.notNull(material, "Material cannot be null");
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Validate.isTrue(material.isBlock(), "Material must be a block");
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- FallingBlockEntity entity = FallingBlockEntity.fall(world, new BlockPos(location.getX(), location.getY(), location.getZ()), CraftMagicNumbers.getBlock(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(), CraftMagicNumbers.getBlock(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
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return (FallingBlock) entity.getBukkitEntity();
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}
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@@ -1404,7 +1409,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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Validate.notNull(location, "Location cannot be null");
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Validate.notNull(data, "BlockData cannot be null");
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- FallingBlockEntity entity = FallingBlockEntity.fall(world, new BlockPos(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
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return (FallingBlock) entity.getBukkitEntity();
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}
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