Paper/nms-patches/PortalTravelAgent.patch

--- a/net/minecraft/server/PortalTravelAgent.java
+++ b/net/minecraft/server/PortalTravelAgent.java
@@ -13,13 +13,19 @@
     }
 
     public Optional<BlockUtil.Rectangle> findPortal(BlockPosition blockposition, boolean flag) {
+        // CraftBukkit start
+        return findPortal(blockposition, flag ? 16 : 128); // Search Radius
+    }
+
+    public Optional<BlockUtil.Rectangle> findPortal(BlockPosition blockposition, int i) {
         VillagePlace villageplace = this.world.y();
-        int i = flag ? 16 : 128;
+        // int i = flag ? 16 : 128;
+        // CraftBukkit end
 
         villageplace.a(this.world, blockposition, i);
         Optional<VillagePlaceRecord> optional = villageplace.b((villageplacetype) -> {
             return villageplacetype == VillagePlaceType.v;
-        }, blockposition, i, VillagePlace.Occupancy.ANY).sorted(Comparator.comparingDouble((villageplacerecord) -> {
+        }, blockposition, i, VillagePlace.Occupancy.ANY).sorted(Comparator.comparingDouble((VillagePlaceRecord villageplacerecord) -> { // CraftBukkit - decompile error
             return villageplacerecord.f().j(blockposition);
         }).thenComparingInt((villageplacerecord) -> {
             return villageplacerecord.f().getY();
@@ -40,6 +46,12 @@
     }
 
     public Optional<BlockUtil.Rectangle> createPortal(BlockPosition blockposition, EnumDirection.EnumAxis enumdirection_enumaxis) {
+        // CraftBukkit start
+        return this.createPortal(blockposition, enumdirection_enumaxis, null, 16);
+    }
+
+    public Optional<BlockUtil.Rectangle> createPortal(BlockPosition blockposition, EnumDirection.EnumAxis enumdirection_enumaxis, Entity entity, int createRadius) {
+        // CraftBukkit end
         EnumDirection enumdirection = EnumDirection.a(EnumDirection.EnumAxisDirection.POSITIVE, enumdirection_enumaxis);
         double d0 = -1.0D;
         BlockPosition blockposition1 = null;
@@ -48,7 +60,7 @@
         WorldBorder worldborder = this.world.getWorldBorder();
         int i = this.world.getHeight() - 1;
         BlockPosition.MutableBlockPosition blockposition_mutableblockposition = blockposition.i();
-        Iterator iterator = BlockPosition.a(blockposition, 16, EnumDirection.EAST, EnumDirection.SOUTH).iterator();
+        Iterator iterator = BlockPosition.a(blockposition, createRadius, EnumDirection.EAST, EnumDirection.SOUTH).iterator(); // CraftBukkit
 
         int j;
 
@@ -102,6 +114,7 @@
 
         int j1;
 
+        org.bukkit.craftbukkit.util.BlockStateListPopulator blockList = new org.bukkit.craftbukkit.util.BlockStateListPopulator(this.world); // CraftBukkit - Use BlockStateListPopulator
         if (d0 == -1.0D) {
             blockposition1 = (new BlockPosition(blockposition.getX(), MathHelper.clamp(blockposition.getY(), 70, this.world.getHeight() - 10), blockposition.getZ())).immutableCopy();
             EnumDirection enumdirection1 = enumdirection.g();
@@ -116,7 +129,7 @@
                         IBlockData iblockdata = k1 < 0 ? Blocks.OBSIDIAN.getBlockData() : Blocks.AIR.getBlockData();
 
                         blockposition_mutableblockposition.a((BaseBlockPosition) blockposition1, j * enumdirection.getAdjacentX() + j1 * enumdirection1.getAdjacentX(), k1, j * enumdirection.getAdjacentZ() + j1 * enumdirection1.getAdjacentZ());
-                        this.world.setTypeUpdate(blockposition_mutableblockposition, iblockdata);
+                        blockList.setTypeAndData(blockposition_mutableblockposition, iblockdata, 3); // CraftBukkit
                     }
                 }
             }
@@ -126,7 +139,7 @@
             for (j1 = -1; j1 < 4; ++j1) {
                 if (l1 == -1 || l1 == 2 || j1 == -1 || j1 == 3) {
                     blockposition_mutableblockposition.a((BaseBlockPosition) blockposition1, l1 * enumdirection.getAdjacentX(), j1, l1 * enumdirection.getAdjacentZ());
-                    this.world.setTypeAndData(blockposition_mutableblockposition, Blocks.OBSIDIAN.getBlockData(), 3);
+                    blockList.setTypeAndData(blockposition_mutableblockposition, Blocks.OBSIDIAN.getBlockData(), 3); // CraftBukkit
                 }
             }
         }
@@ -136,10 +149,19 @@
         for (j1 = 0; j1 < 2; ++j1) {
             for (j = 0; j < 3; ++j) {
                 blockposition_mutableblockposition.a((BaseBlockPosition) blockposition1, j1 * enumdirection.getAdjacentX(), j, j1 * enumdirection.getAdjacentZ());
-                this.world.setTypeAndData(blockposition_mutableblockposition, iblockdata1, 18);
+                blockList.setTypeAndData(blockposition_mutableblockposition, iblockdata1, 18); // CraftBukkit
             }
         }
 
+        // CraftBukkit start
+        org.bukkit.World bworld = this.world.getWorld();
+        org.bukkit.event.world.PortalCreateEvent event = new org.bukkit.event.world.PortalCreateEvent((java.util.List<org.bukkit.block.BlockState>) (java.util.List) blockList.getList(), bworld, (entity == null) ? null : entity.getBukkitEntity(), org.bukkit.event.world.PortalCreateEvent.CreateReason.NETHER_PAIR);
+
+        this.world.getServer().getPluginManager().callEvent(event);
+        if (!event.isCancelled()) {
+            blockList.updateList();
+        }
+        // CraftBukkit end
         return Optional.of(new BlockUtil.Rectangle(blockposition1.immutableCopy(), 2, 3));
     }