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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.
103 lines
8.8 KiB
Diff
103 lines
8.8 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: Thu, 15 Dec 2022 10:33:39 -0800
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Subject: [PATCH] Improve PortalEvents
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 772a759a474a114ccb2f7f83b678708714788e60..6a8a1c22e1bf53df7cf4b14daf9ff1de7017ef8b 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -1561,7 +1561,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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Location enter = this.getBukkitEntity().getLocation();
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PositionMoveRotation absolutePosition = PositionMoveRotation.calculateAbsolute(PositionMoveRotation.of(this), PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
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- Location exit = (worldserver == null) ? null : CraftLocation.toBukkit(absolutePosition.position(), worldserver.getWorld(), absolutePosition.yRot(), absolutePosition.xRot());
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+ Location exit = /* (worldserver == null) ? null : // Paper - always non-null */CraftLocation.toBukkit(absolutePosition.position(), worldserver.getWorld(), absolutePosition.yRot(), absolutePosition.xRot());
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PlayerTeleportEvent tpEvent = new PlayerTeleportEvent(this.getBukkitEntity(), enter, exit, teleportTarget.cause());
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// Paper start - gateway-specific teleport event
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if (this.portalProcess != null && this.portalProcess.isSamePortal(((net.minecraft.world.level.block.EndGatewayBlock) net.minecraft.world.level.block.Blocks.END_GATEWAY)) && this.serverLevel().getBlockEntity(this.portalProcess.getEntryPosition()) instanceof net.minecraft.world.level.block.entity.TheEndGatewayBlockEntity theEndGatewayBlockEntity) {
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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 eff6d23c12d65b9c82573a9bbad721baaa1029e3..4135eeab128fc989d9357dee59c779d2812106e8 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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@@ -3743,7 +3743,15 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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org.bukkit.entity.Entity bukkitEntity = entity.getBukkitEntity();
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Location enter = bukkitEntity.getLocation();
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- EntityPortalEvent event = new EntityPortalEvent(bukkitEntity, enter, exit, searchRadius, true, creationRadius);
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+ // Paper start
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+ final org.bukkit.PortalType portalType = switch (cause) {
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+ case END_PORTAL -> org.bukkit.PortalType.ENDER;
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+ case NETHER_PORTAL -> org.bukkit.PortalType.NETHER;
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+ case END_GATEWAY -> org.bukkit.PortalType.END_GATEWAY; // not actually used yet
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+ default -> org.bukkit.PortalType.CUSTOM;
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+ };
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+ EntityPortalEvent event = new EntityPortalEvent(bukkitEntity, enter, exit, searchRadius, true, creationRadius, portalType);
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+ // Paper end
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event.getEntity().getServer().getPluginManager().callEvent(event);
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if (event.isCancelled() || event.getTo() == null || event.getTo().getWorld() == null || !entity.isAlive()) {
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return null;
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diff --git a/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java b/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
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index bb4800c60ac05f2db8821737b2b884ea99b64799..a7a21f071161fb7e73a046717d2462f871ab653c 100644
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--- a/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
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@@ -94,6 +94,10 @@ public class EndGatewayBlock extends BaseEntityBlock implements Portal {
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protected void entityInside(BlockState state, Level world, BlockPos pos, Entity entity) {
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if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper - Add EntityInsideBlockEvent
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if (entity.canUsePortal(false)) {
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+ // Paper start - call EntityPortalEnterEvent
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+ org.bukkit.event.entity.EntityPortalEnterEvent event = new org.bukkit.event.entity.EntityPortalEnterEvent(entity.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()), org.bukkit.PortalType.END_GATEWAY); // Paper - add portal type
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+ if (!event.callEvent()) return;
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+ // Paper end - call EntityPortalEnterEvent
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BlockEntity tileentity = world.getBlockEntity(pos);
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if (!world.isClientSide && tileentity instanceof TheEndGatewayBlockEntity) {
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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 6ed6c2123ed4c54f191ed8cf6da72109fb95eb69..4aa14f975e1ceedf3d4a427e0daefb58b12fcafe 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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@@ -71,8 +71,9 @@ public class EndPortalBlock extends BaseEntityBlock implements Portal {
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if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper - Add EntityInsideBlockEvent
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if (entity.canUsePortal(false)) {
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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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+ EntityPortalEnterEvent event = new EntityPortalEnterEvent(entity.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()), org.bukkit.PortalType.ENDER); // Paper - add portal type
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world.getCraftServer().getPluginManager().callEvent(event);
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+ if (event.isCancelled()) return; // Paper - make cancellable
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// CraftBukkit end
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if (!world.isClientSide && world.dimension() == Level.END && entity instanceof ServerPlayer) {
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ServerPlayer entityplayer = (ServerPlayer) entity;
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@@ -95,7 +96,7 @@ public class EndPortalBlock extends BaseEntityBlock implements Portal {
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ServerLevel worldserver1 = world.getServer().getLevel(resourcekey);
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if (worldserver1 == null) {
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- return new TeleportTransition(PlayerTeleportEvent.TeleportCause.END_PORTAL); // CraftBukkit- always fire event in case plugins wish to change it
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+ return null; // Paper - keep previous behavior of not firing PlayerTeleportEvent if the target world doesn't exist
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} else {
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boolean flag = resourcekey == Level.END;
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BlockPos blockposition1 = flag ? ServerLevel.END_SPAWN_POINT : worldserver1.getSharedSpawnPos();
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diff --git a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
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index fb361eac03c16ecee02219ff0524cce2292c7976..2b31bf586c1c0bd393d2aa8d0b6635dd9f22f21c 100644
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--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
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@@ -118,8 +118,9 @@ public class NetherPortalBlock extends Block implements Portal {
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if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper - Add EntityInsideBlockEvent
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if (entity.canUsePortal(false)) {
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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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+ EntityPortalEnterEvent event = new EntityPortalEnterEvent(entity.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()), org.bukkit.PortalType.NETHER); // Paper - add portal type
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world.getCraftServer().getPluginManager().callEvent(event);
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+ if (event.isCancelled()) return; // Paper - make cancellable
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// CraftBukkit end
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entity.setAsInsidePortal(this, pos);
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}
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@@ -151,7 +152,7 @@ public class NetherPortalBlock extends Block implements Portal {
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// Paper end - Add EntityPortalReadyEvent
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if (worldserver1 == null) {
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- return new TeleportTransition(PlayerTeleportEvent.TeleportCause.NETHER_PORTAL); // always fire event in case plugins wish to change it
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+ return null; // Paper - keep previous behavior of not firing PlayerTeleportEvent if the target world doesn't exist
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} else {
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boolean flag = worldserver1.getTypeKey() == LevelStem.NETHER;
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// CraftBukkit end
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