geforkt von Mirrors/Paper
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.
87 Zeilen
4.2 KiB
Diff
87 Zeilen
4.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@users.noreply.github.com>
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Date: Fri, 4 Jun 2021 17:06:52 -0400
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Subject: [PATCH] Fix dangerous end portal logic
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End portals could teleport entities during move calls. Stupid
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logic given the caller will never expect that kind of thing,
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and will result in all kinds of dupes.
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Move the tick logic into the post tick, where portaling was
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designed to happen in the first place.
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 9b1892a4bb385ab888cf0c11f9a7a84921755803..dafe29f3e2b4e7a51d4232c60fd27645e5f20335 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -510,6 +510,36 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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return chunkMap.playerEntityTrackerTrackMaps[type.ordinal()].getObjectsInRange(MCUtil.getCoordinateKey(this));
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}
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// Paper end - optimise entity tracking
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+ // Paper start - make end portalling safe
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+ public BlockPos portalBlock;
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+ public ServerLevel portalWorld;
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+ public void tickEndPortal() {
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+ BlockPos pos = this.portalBlock;
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+ ServerLevel world = this.portalWorld;
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+ this.portalBlock = null;
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+ this.portalWorld = null;
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+
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+ if (pos == null || world == null || world != this.level) {
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+ return;
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+ }
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+
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+ if (this.isPassenger() || this.isVehicle() || !this.canChangeDimensions() || this.isRemoved() || !this.valid || !this.isAlive()) {
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+ return;
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+ }
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+
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+ ResourceKey<Level> resourcekey = world.getTypeKey() == LevelStem.END ? Level.OVERWORLD : Level.END; // CraftBukkit - SPIGOT-6152: send back to main overworld in custom ends
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+ ServerLevel worldserver = world.getServer().getLevel(resourcekey);
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+
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+ org.bukkit.event.entity.EntityPortalEnterEvent event = new org.bukkit.event.entity.EntityPortalEnterEvent(this.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()));
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+ event.callEvent();
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+
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+ if (this instanceof ServerPlayer) {
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+ ((ServerPlayer)this).changeDimension(worldserver, PlayerTeleportEvent.TeleportCause.END_PORTAL);
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+ return;
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+ }
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+ this.teleportTo(worldserver, null);
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+ }
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+ // Paper end - make end portalling safe
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public Entity(EntityType<?> type, Level world) {
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this.id = Entity.ENTITY_COUNTER.incrementAndGet();
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@@ -2686,6 +2716,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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}
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this.processPortalCooldown();
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+ this.tickEndPortal(); // Paper - make end portalling safe
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
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index 150c16da7caa655cfc2c371d3336a8d7345438c6..15c5cccfe02c924c02f605eb47dd0b420b189891 100644
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--- a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
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@@ -53,16 +53,10 @@ public class EndPortalBlock extends BaseEntityBlock {
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// return; // CraftBukkit - always fire event in case plugins wish to change it
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}
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- // CraftBukkit start - Entity in portal
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- EntityPortalEnterEvent event = new EntityPortalEnterEvent(entity.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()));
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- world.getCraftServer().getPluginManager().callEvent(event);
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-
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- if (entity instanceof ServerPlayer) {
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- ((ServerPlayer) entity).changeDimension(worldserver, PlayerTeleportEvent.TeleportCause.END_PORTAL);
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- return;
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- }
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- // CraftBukkit end
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- entity.changeDimension(worldserver);
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+ // Paper start - move all of this logic into portal tick
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+ entity.portalWorld = ((ServerLevel)world);
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+ entity.portalBlock = pos.immutable();
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+ // Paper end - move all of this logic into portal tick
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}
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}
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