1 files changed, 118 insertions, 0 deletions
diff --git a/patches/server/0781-Improve-PortalEvents.patch b/patches/server/0781-Improve-PortalEvents.patch
new file mode 100644
index 0000000000..bb191a7362
--- /dev/null
+++ b/patches/server/0781-Improve-PortalEvents.patch
@@ -0,0 +1,118 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <[email protected]>
+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 96dff63230e8cda1f5e548d914c119bd64b5ac33..7270b6fa96bae937663c0fea77887e21fbd0eb57 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -1340,7 +1340,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
+                 }
+                 // CraftBukkit start
+                 Location enter = this.getBukkitEntity().getLocation();
+-                Location exit = (worldserver == null) ? null : CraftLocation.toBukkit(teleportTarget.pos(), worldserver.getWorld(), teleportTarget.yRot(), teleportTarget.xRot());
++                Location exit =/* (worldserver == null) ? null : // Paper - always non-null */CraftLocation.toBukkit(teleportTarget.pos(), worldserver.getWorld(), teleportTarget.yRot(), teleportTarget.xRot());
+                 PlayerTeleportEvent tpEvent = new PlayerTeleportEvent(this.getBukkitEntity(), enter, exit, teleportTarget.cause());
+                 Bukkit.getServer().getPluginManager().callEvent(tpEvent);
+                 if (tpEvent.isCancelled() || tpEvent.getTo() == null) {
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 3c7175b015262ed354d9a9ae237aff6d34cec713..303f3656be5e9049cd195030c457df9a7c718b66 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -3527,7 +3527,15 @@ 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 11486419dd98a013c7387d3d73f322a95a18c574..3f5bb5c9ceb5b31fcc9ef0a7a6157e1e1cb2a09f 100644
+--- a/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/EndGatewayBlock.java
+@@ -92,6 +92,10 @@ 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 28fba1448309805fc3d687de6bc8454d2c85fcd3..a35a426cc7778a51523f26057b5d61b8a3e23d5d 100644
+--- a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
+@@ -66,8 +66,9 @@ 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) && Shapes.joinIsNotEmpty(Shapes.create(entity.getBoundingBox().move((double) (-pos.getX()), (double) (-pos.getY()), (double) (-pos.getZ()))), state.getShape(world, pos), BooleanOp.AND)) {
+             // 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;
+@@ -90,7 +91,7 @@ public class EndPortalBlock extends BaseEntityBlock implements Portal {
+         ServerLevel worldserver1 = world.getServer().getLevel(resourcekey);
+ 
+         if (worldserver1 == null) {
+-            return new DimensionTransition(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 417a9ab28d247d5fbb3f1097fdeccab7ad2a793b..0fdbcab175b51a8b77646e0e4a267d987b133a35 100644
+--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
+@@ -110,8 +110,9 @@ 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);
+         }
+@@ -143,7 +144,7 @@ public class NetherPortalBlock extends Block implements Portal {
+         // Paper end - Add EntityPortalReadyEvent
+ 
+         if (worldserver1 == null) {
+-            return new DimensionTransition(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
+index 788f79dc38012595b385ee6a449daa0bccf0079a..36c8735312c885eb153f4ffdf0f2a5495e9c9f65 100644
+--- a/src/main/java/net/minecraft/world/level/portal/DimensionTransition.java
++++ b/src/main/java/net/minecraft/world/level/portal/DimensionTransition.java
+@@ -15,9 +15,7 @@ public record DimensionTransition(ServerLevel newLevel, Vec3 pos, Vec3 speed, fl
+         this(newLevel, pos, speed, yRot, xRot, missingRespawnBlock, postDimensionTransition, PlayerTeleportEvent.TeleportCause.UNKNOWN);
+     }
+ 
+-    public DimensionTransition(PlayerTeleportEvent.TeleportCause cause) {
+-        this(null, Vec3.ZERO, Vec3.ZERO, 0.0F, 0.0F, false, DO_NOTHING, cause);
+-    }
++    // Paper - remove unused constructor (for safety)
+     // CraftBukkit end
+ 
+     public static final DimensionTransition.PostDimensionTransition DO_NOTHING = (entity) -> {