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PaperMC/patches/server/0776-Improve-PortalEvents.patch
Noah van der Aa 4baf9ab44d
MOOOOOOOOOOORE
2024-10-24 00:08:29 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 15 Dec 2022 10:33:39 -0800
Subject: [PATCH] Improve PortalEvents
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 72072332578f6cffea79208442c12178bc68215e..1a7d2ade0e85dd5e6cd6c9202e3277cc2fa43d4a 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1561,7 +1561,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
Location enter = this.getBukkitEntity().getLocation();
PositionMoveRotation absolutePosition = PositionMoveRotation.calculateAbsolute(PositionMoveRotation.of(this), PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
- Location exit = (worldserver == null) ? null : CraftLocation.toBukkit(absolutePosition.position(), worldserver.getWorld(), absolutePosition.yRot(), absolutePosition.xRot());
+ Location exit = /* (worldserver == null) ? null : // Paper - always non-null */CraftLocation.toBukkit(absolutePosition.position(), worldserver.getWorld(), absolutePosition.yRot(), absolutePosition.xRot());
PlayerTeleportEvent tpEvent = new PlayerTeleportEvent(this.getBukkitEntity(), enter, exit, teleportTarget.cause());
// Paper start - gateway-specific teleport event
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) {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index c34f98152866945f0c7b7cc45bbc9da6a3ac8f5c..960b3541140bfe36fda5cdb43e3408bbc9db5fde 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3740,7 +3740,15 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
org.bukkit.entity.Entity bukkitEntity = entity.getBukkitEntity();
Location enter = bukkitEntity.getLocation();
- EntityPortalEvent event = new EntityPortalEvent(bukkitEntity, enter, exit, searchRadius, true, creationRadius);
+ // Paper start
+ final org.bukkit.PortalType portalType = switch (cause) {
+ case END_PORTAL -> org.bukkit.PortalType.ENDER;
+ case NETHER_PORTAL -> org.bukkit.PortalType.NETHER;
+ case END_GATEWAY -> org.bukkit.PortalType.END_GATEWAY; // not actually used yet
+ default -> org.bukkit.PortalType.CUSTOM;
+ };
+ EntityPortalEvent event = new EntityPortalEvent(bukkitEntity, enter, exit, searchRadius, true, creationRadius, portalType);
+ // Paper end
event.getEntity().getServer().getPluginManager().callEvent(event);
if (event.isCancelled() || event.getTo() == null || event.getTo().getWorld() == null || !entity.isAlive()) {
return null;
diff --git a/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java b/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
index bb4800c60ac05f2db8821737b2b884ea99b64799..a7a21f071161fb7e73a046717d2462f871ab653c 100644
--- a/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
@@ -94,6 +94,10 @@ public class EndGatewayBlock extends BaseEntityBlock implements Portal {
protected void entityInside(BlockState state, Level world, BlockPos pos, Entity entity) {
if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper - Add EntityInsideBlockEvent
if (entity.canUsePortal(false)) {
+ // Paper start - call EntityPortalEnterEvent
+ 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
+ if (!event.callEvent()) return;
+ // Paper end - call EntityPortalEnterEvent
BlockEntity tileentity = world.getBlockEntity(pos);
if (!world.isClientSide && tileentity instanceof TheEndGatewayBlockEntity) {
diff --git a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
index 6ed6c2123ed4c54f191ed8cf6da72109fb95eb69..4aa14f975e1ceedf3d4a427e0daefb58b12fcafe 100644
--- a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
@@ -71,8 +71,9 @@ public class EndPortalBlock extends BaseEntityBlock implements Portal {
if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper - Add EntityInsideBlockEvent
if (entity.canUsePortal(false)) {
// CraftBukkit start - Entity in portal
- EntityPortalEnterEvent event = new EntityPortalEnterEvent(entity.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()));
+ 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
world.getCraftServer().getPluginManager().callEvent(event);
+ if (event.isCancelled()) return; // Paper - make cancellable
// CraftBukkit end
if (!world.isClientSide && world.dimension() == Level.END && entity instanceof ServerPlayer) {
ServerPlayer entityplayer = (ServerPlayer) entity;
@@ -95,7 +96,7 @@ public class EndPortalBlock extends BaseEntityBlock implements Portal {
ServerLevel worldserver1 = world.getServer().getLevel(resourcekey);
if (worldserver1 == null) {
- return new TeleportTransition(PlayerTeleportEvent.TeleportCause.END_PORTAL); // CraftBukkit- always fire event in case plugins wish to change it
+ return null; // Paper - keep previous behavior of not firing PlayerTeleportEvent if the target world doesn't exist
} else {
boolean flag = resourcekey == Level.END;
BlockPos blockposition1 = flag ? ServerLevel.END_SPAWN_POINT : worldserver1.getSharedSpawnPos();
diff --git a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
index fb361eac03c16ecee02219ff0524cce2292c7976..2b31bf586c1c0bd393d2aa8d0b6635dd9f22f21c 100644
--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
@@ -118,8 +118,9 @@ public class NetherPortalBlock extends Block implements Portal {
if (!new io.papermc.paper.event.entity.EntityInsideBlockEvent(entity.getBukkitEntity(), org.bukkit.craftbukkit.block.CraftBlock.at(world, pos)).callEvent()) { return; } // Paper - Add EntityInsideBlockEvent
if (entity.canUsePortal(false)) {
// CraftBukkit start - Entity in portal
- EntityPortalEnterEvent event = new EntityPortalEnterEvent(entity.getBukkitEntity(), new org.bukkit.Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ()));
+ 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
world.getCraftServer().getPluginManager().callEvent(event);
+ if (event.isCancelled()) return; // Paper - make cancellable
// CraftBukkit end
entity.setAsInsidePortal(this, pos);
}
@@ -151,7 +152,7 @@ public class NetherPortalBlock extends Block implements Portal {
// Paper end - Add EntityPortalReadyEvent
if (worldserver1 == null) {
- return new TeleportTransition(PlayerTeleportEvent.TeleportCause.NETHER_PORTAL); // always fire event in case plugins wish to change it
+ return null; // Paper - keep previous behavior of not firing PlayerTeleportEvent if the target world doesn't exist
} else {
boolean flag = worldserver1.getTypeKey() == LevelStem.NETHER;
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/level/portal/DimensionTransition.java b/src/main/java/net/minecraft/world/level/portal/DimensionTransition.java
new file mode 100644
index 0000000000000000000000000000000000000000..36c8735312c885eb153f4ffdf0f2a5495e9c9f65
--- /dev/null
+++ b/src/main/java/net/minecraft/world/level/portal/DimensionTransition.java
@@ -0,0 +1,75 @@
+package net.minecraft.world.level.portal;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.protocol.game.ClientboundLevelEventPacket;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.phys.Vec3;
+// CraftBukkit start
+import org.bukkit.event.player.PlayerTeleportEvent;
+
+public record DimensionTransition(ServerLevel newLevel, Vec3 pos, Vec3 speed, float yRot, float xRot, boolean missingRespawnBlock, DimensionTransition.PostDimensionTransition postDimensionTransition, PlayerTeleportEvent.TeleportCause cause) {
+
+ public DimensionTransition(ServerLevel newLevel, Vec3 pos, Vec3 speed, float yRot, float xRot, boolean missingRespawnBlock, DimensionTransition.PostDimensionTransition postDimensionTransition) {
+ this(newLevel, pos, speed, yRot, xRot, missingRespawnBlock, postDimensionTransition, PlayerTeleportEvent.TeleportCause.UNKNOWN);
+ }
+
+ // Paper - remove unused constructor (for safety)
+ // CraftBukkit end
+
+ public static final DimensionTransition.PostDimensionTransition DO_NOTHING = (entity) -> {
+ };
+ public static final DimensionTransition.PostDimensionTransition PLAY_PORTAL_SOUND = DimensionTransition::playPortalSound;
+ public static final DimensionTransition.PostDimensionTransition PLACE_PORTAL_TICKET = DimensionTransition::placePortalTicket;
+
+ public DimensionTransition(ServerLevel world, Vec3 pos, Vec3 velocity, float yaw, float pitch, DimensionTransition.PostDimensionTransition postDimensionTransition) {
+ // CraftBukkit start
+ this(world, pos, velocity, yaw, pitch, postDimensionTransition, PlayerTeleportEvent.TeleportCause.UNKNOWN);
+ }
+
+ public DimensionTransition(ServerLevel worldserver, Vec3 vec3d, Vec3 vec3d1, float f, float f1, DimensionTransition.PostDimensionTransition dimensiontransition_a, PlayerTeleportEvent.TeleportCause cause) {
+ this(worldserver, vec3d, vec3d1, f, f1, false, dimensiontransition_a, cause);
+ }
+
+ public DimensionTransition(ServerLevel world, Entity entity, DimensionTransition.PostDimensionTransition postDimensionTransition) {
+ this(world, entity, postDimensionTransition, PlayerTeleportEvent.TeleportCause.UNKNOWN);
+ }
+
+ public DimensionTransition(ServerLevel worldserver, Entity entity, DimensionTransition.PostDimensionTransition dimensiontransition_a, PlayerTeleportEvent.TeleportCause cause) {
+ this(worldserver, findAdjustedSharedSpawnPos(worldserver, entity), Vec3.ZERO, worldserver.getSharedSpawnAngle(), 0.0F, false, dimensiontransition_a, cause); // Paper - MC-200092 - fix spawn pos yaw being ignored
+ // CraftBukkit end
+ }
+
+ private static void playPortalSound(Entity entity) {
+ if (entity instanceof ServerPlayer entityplayer) {
+ entityplayer.connection.send(new ClientboundLevelEventPacket(1032, BlockPos.ZERO, 0, false));
+ }
+
+ }
+
+ private static void placePortalTicket(Entity entity) {
+ entity.placePortalTicket(BlockPos.containing(entity.position()));
+ }
+
+ public static DimensionTransition missingRespawnBlock(ServerLevel world, Entity entity, DimensionTransition.PostDimensionTransition postDimensionTransition) {
+ return new DimensionTransition(world, findAdjustedSharedSpawnPos(world, entity), Vec3.ZERO, world.getSharedSpawnAngle(), 0.0F, true, postDimensionTransition); // Paper - MC-200092 - fix spawn pos yaw being ignored
+ }
+
+ private static Vec3 findAdjustedSharedSpawnPos(ServerLevel world, Entity entity) {
+ return entity.adjustSpawnLocation(world, world.getSharedSpawnPos()).getBottomCenter();
+ }
+
+ @FunctionalInterface
+ public interface PostDimensionTransition {
+
+ void onTransition(Entity entity);
+
+ default DimensionTransition.PostDimensionTransition then(DimensionTransition.PostDimensionTransition next) {
+ return (entity) -> {
+ this.onTransition(entity);
+ next.onTransition(entity);
+ };
+ }
+ }
+}
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