Add option to nerf pigmen from nether portals

paper-server/patches/sources/net/minecraft/world/entity/Entity.java.patch

@@ -61,7 +61,7 @@
 +// CraftBukkit end
  
  public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess, ScoreHolder {
-+
+ 
 +    // CraftBukkit start
 +    private static final int CURRENT_LEVEL = 2;
 +    static boolean isLevelAtLeast(CompoundTag tag, int level) {
@@ -143,7 +143,7 @@
 +    public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason; // Paper - Entity#getEntitySpawnReason
 +
 +    private CraftEntity bukkitEntity;
- 
++
 +    public CraftEntity getBukkitEntity() {
 +        if (this.bukkitEntity == null) {
 +            this.bukkitEntity = CraftEntity.getEntity(this.level.getCraftServer(), this);
@@ -169,7 +169,7 @@
      private static final EntityDataAccessor<Integer> DATA_TICKS_FROZEN = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.INT);
      private EntityInLevelCallback levelCallback;
      private final VecDeltaCodec packetPositionCodec;
-@@ -253,7 +385,64 @@
+@@ -253,7 +385,65 @@
      private final List<Entity.Movement> movementThisTick;
      private final Set<BlockState> blocksInside;
      private final LongSet visitedBlocks;
@@ -195,13 +195,14 @@
 +    public void inactiveTick() { }
 +    // Spigot end
 +    protected int numCollisions = 0; // Paper - Cap entity collisions
++    public boolean fromNetherPortal; // Paper - Add option to nerf pigmen from nether portals
 +    public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
 +    // Paper start - Entity origin API
 +    @javax.annotation.Nullable
 +    private org.bukkit.util.Vector origin;
 +    @javax.annotation.Nullable
 +    private UUID originWorld;
-+
+ 
 +    public void setOrigin(@javax.annotation.Nonnull Location location) {
 +        this.origin = location.toVector();
 +        this.originWorld = location.getWorld().getUID();
@@ -220,7 +221,7 @@
 +    public float getBukkitYaw() {
 +        return this.yRot;
 +    }
- 
++
 +    public boolean isChunkLoaded() {
 +        return this.level.hasChunk((int) Math.floor(this.getX()) >> 4, (int) Math.floor(this.getZ()) >> 4);
 +    }
@@ -234,7 +235,7 @@
      public Entity(EntityType<?> type, Level world) {
          this.id = Entity.ENTITY_COUNTER.incrementAndGet();
          this.passengers = ImmutableList.of();
-@@ -261,7 +450,7 @@
+@@ -261,7 +451,7 @@
          this.bb = Entity.INITIAL_AABB;
          this.stuckSpeedMultiplier = Vec3.ZERO;
          this.nextStep = 1.0F;
@@ -243,7 +244,7 @@
          this.remainingFireTicks = -this.getFireImmuneTicks();
          this.fluidHeight = new Object2DoubleArrayMap(2);
          this.fluidOnEyes = new HashSet();
-@@ -284,6 +473,13 @@
+@@ -284,6 +474,13 @@
          this.position = Vec3.ZERO;
          this.blockPosition = BlockPos.ZERO;
          this.chunkPosition = ChunkPos.ZERO;
@@ -257,7 +258,7 @@
          SynchedEntityData.Builder datawatcher_a = new SynchedEntityData.Builder(this);
  
          datawatcher_a.define(Entity.DATA_SHARED_FLAGS_ID, (byte) 0);
-@@ -292,7 +488,7 @@
+@@ -292,7 +489,7 @@
          datawatcher_a.define(Entity.DATA_CUSTOM_NAME, Optional.empty());
          datawatcher_a.define(Entity.DATA_SILENT, false);
          datawatcher_a.define(Entity.DATA_NO_GRAVITY, false);
@@ -266,7 +267,7 @@
          datawatcher_a.define(Entity.DATA_TICKS_FROZEN, 0);
          this.defineSynchedData(datawatcher_a);
          this.entityData = datawatcher_a.build();
-@@ -362,20 +558,36 @@
+@@ -362,20 +559,36 @@
      }
  
      public void kill(ServerLevel world) {
@@ -305,7 +306,7 @@
      public boolean equals(Object object) {
          return object instanceof Entity ? ((Entity) object).id == this.id : false;
      }
-@@ -385,22 +597,34 @@
+@@ -385,22 +598,34 @@
      }
  
      public void remove(Entity.RemovalReason reason) {
@@ -345,7 +346,7 @@
          return this.getPose() == pose;
      }
  
-@@ -417,6 +641,33 @@
+@@ -417,6 +642,33 @@
      }
  
      public void setRot(float yaw, float pitch) {
@@ -379,7 +380,7 @@
          this.setYRot(yaw % 360.0F);
          this.setXRot(pitch % 360.0F);
      }
-@@ -462,6 +713,15 @@
+@@ -462,6 +714,15 @@
          this.baseTick();
      }
  
@@ -395,7 +396,7 @@
      public void baseTick() {
          ProfilerFiller gameprofilerfiller = Profiler.get();
  
-@@ -475,7 +735,7 @@
+@@ -475,7 +736,7 @@
              --this.boardingCooldown;
          }
  
@@ -404,7 +405,7 @@
          if (this.canSpawnSprintParticle()) {
              this.spawnSprintParticle();
          }
-@@ -514,6 +774,10 @@
+@@ -514,6 +775,10 @@
          if (this.isInLava()) {
              this.lavaHurt();
              this.fallDistance *= 0.5F;
@@ -415,7 +416,7 @@
          }
  
          this.checkBelowWorld();
-@@ -525,7 +789,7 @@
+@@ -525,7 +790,7 @@
          world = this.level();
          if (world instanceof ServerLevel worldserver) {
              if (this instanceof Leashable) {
@@ -424,7 +425,7 @@
              }
          }
  
-@@ -537,7 +801,11 @@
+@@ -537,7 +802,11 @@
      }
  
      public void checkBelowWorld() {
@@ -437,7 +438,7 @@
              this.onBelowWorld();
          }
  
-@@ -568,15 +836,32 @@
+@@ -568,15 +837,32 @@
  
      public void lavaHurt() {
          if (!this.fireImmune()) {
@@ -472,15 +473,15 @@
              }
  
          }
-@@ -587,9 +872,25 @@
+@@ -587,7 +873,23 @@
      }
  
      public final void igniteForSeconds(float seconds) {
 -        this.igniteForTicks(Mth.floor(seconds * 20.0F));
 +        // CraftBukkit start
 +        this.igniteForSeconds(seconds, true);
-     }
- 
++    }
++
 +    public final void igniteForSeconds(float f, boolean callEvent) {
 +        if (callEvent) {
 +            EntityCombustEvent event = new EntityCombustEvent(this.getBukkitEntity(), f);
@@ -494,12 +495,10 @@
 +        }
 +        // CraftBukkit end
 +        this.igniteForTicks(Mth.floor(f * 20.0F));
-+    }
-+
+     }
+ 
      public void igniteForTicks(int ticks) {
-         if (this.remainingFireTicks < ticks) {
-             this.setRemainingFireTicks(ticks);
-@@ -610,7 +911,7 @@
+@@ -610,7 +912,7 @@
      }
  
      protected void onBelowWorld() {
@@ -508,7 +507,7 @@
      }
  
      public boolean isFree(double offsetX, double offsetY, double offsetZ) {
-@@ -750,6 +1051,28 @@
+@@ -750,6 +1052,28 @@
                      }
                  }
  
@@ -537,7 +536,7 @@
                  if (!this.level().isClientSide() || this.isControlledByLocalInstance()) {
                      Entity.MovementEmission entity_movementemission = this.getMovementEmission();
  
-@@ -1133,6 +1456,20 @@
+@@ -1133,6 +1457,20 @@
          return SoundEvents.GENERIC_SPLASH;
      }
  
@@ -558,7 +557,7 @@
      public void recordMovementThroughBlocks(Vec3 oldPos, Vec3 newPos) {
          this.movementThisTick.add(new Entity.Movement(oldPos, newPos));
      }
-@@ -1609,6 +1946,7 @@
+@@ -1609,6 +1947,7 @@
          this.yo = y;
          this.zo = d4;
          this.setPos(d3, y, d4);
@@ -566,7 +565,7 @@
      }
  
      public void moveTo(Vec3 pos) {
-@@ -1737,7 +2075,21 @@
+@@ -1737,7 +2076,21 @@
      }
  
      public void push(double deltaX, double deltaY, double deltaZ) {
@@ -589,7 +588,7 @@
          this.hasImpulse = true;
      }
  
-@@ -1861,6 +2213,12 @@
+@@ -1861,6 +2214,12 @@
          return false;
      }
  
@@ -602,7 +601,7 @@
      public void awardKillScore(Entity entityKilled, DamageSource damageSource) {
          if (entityKilled instanceof ServerPlayer) {
              CriteriaTriggers.ENTITY_KILLED_PLAYER.trigger((ServerPlayer) entityKilled, this, damageSource);
-@@ -1889,16 +2247,22 @@
+@@ -1889,16 +2248,22 @@
      }
  
      public boolean saveAsPassenger(CompoundTag nbt) {
@@ -628,22 +627,21 @@
                  return true;
              }
          }
-@@ -1909,54 +2273,98 @@
+@@ -1909,54 +2274,98 @@
      }
  
      public CompoundTag saveWithoutId(CompoundTag nbt) {
--        try {
--            if (this.vehicle != null) {
--                nbt.put("Pos", this.newDoubleList(this.vehicle.getX(), this.getY(), this.vehicle.getZ()));
--            } else {
--                nbt.put("Pos", this.newDoubleList(this.getX(), this.getY(), this.getZ()));
 +        // CraftBukkit start - allow excluding certain data when saving
 +        return this.saveWithoutId(nbt, true);
 +    }
 +
 +    public CompoundTag saveWithoutId(CompoundTag nbttagcompound, boolean includeAll) {
 +        // CraftBukkit end
-+        try {
+         try {
+-            if (this.vehicle != null) {
+-                nbt.put("Pos", this.newDoubleList(this.vehicle.getX(), this.getY(), this.vehicle.getZ()));
+-            } else {
+-                nbt.put("Pos", this.newDoubleList(this.getX(), this.getY(), this.getZ()));
 +            // CraftBukkit start - selectively save position
 +            if (includeAll) {
 +                if (this.vehicle != null) {
@@ -748,7 +746,7 @@
              }
  
              ListTag nbttaglist;
-@@ -1972,10 +2380,10 @@
+@@ -1972,10 +2381,10 @@
                      nbttaglist.add(StringTag.valueOf(s));
                  }
  
@@ -761,7 +759,7 @@
              if (this.isVehicle()) {
                  nbttaglist = new ListTag();
                  iterator = this.getPassengers().iterator();
-@@ -1984,17 +2392,38 @@
+@@ -1984,17 +2393,41 @@
                      Entity entity = (Entity) iterator.next();
                      CompoundTag nbttagcompound1 = new CompoundTag();
  
@@ -798,16 +796,18 @@
 +            if (spawnedViaMobSpawner) {
 +                nbttagcompound.putBoolean("Paper.FromMobSpawner", true);
 +            }
++            if (fromNetherPortal) {
++                nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
++            }
 +            // Paper end
 +            return nbttagcompound;
          } catch (Throwable throwable) {
              CrashReport crashreport = CrashReport.forThrowable(throwable, "Saving entity NBT");
              CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Entity being saved");
-@@ -2079,7 +2508,87 @@
-                 }
+@@ -2080,6 +2513,87 @@
              } else {
                  throw new IllegalStateException("Entity has invalid position");
-+            }
+             }
 +
 +            // CraftBukkit start
 +            // Spigot start
@@ -866,6 +866,7 @@
 +            }
 +
 +            spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
++            fromNetherPortal = nbt.getBoolean("Paper.FromNetherPortal");
 +            if (nbt.contains("Paper.SpawnReason")) {
 +                String spawnReasonName = nbt.getString("Paper.SpawnReason");
 +                try {
@@ -882,7 +883,7 @@
 +                        spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL;
 +                    }
 +                }
-             }
++            }
 +            if (spawnReason == null) {
 +                spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
 +            }
@@ -891,7 +892,7 @@
          } catch (Throwable throwable) {
              CrashReport crashreport = CrashReport.forThrowable(throwable, "Loading entity NBT");
              CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Entity being loaded");
-@@ -2101,6 +2610,12 @@
+@@ -2101,6 +2615,12 @@
          return entitytypes.canSerialize() && minecraftkey != null ? minecraftkey.toString() : null;
      }
  
@@ -904,7 +905,7 @@
      protected abstract void readAdditionalSaveData(CompoundTag nbt);
  
      protected abstract void addAdditionalSaveData(CompoundTag nbt);
-@@ -2153,9 +2668,22 @@
+@@ -2153,9 +2673,22 @@
          if (stack.isEmpty()) {
              return null;
          } else {
@@ -927,7 +928,7 @@
              world.addFreshEntity(entityitem);
              return entityitem;
          }
-@@ -2184,6 +2712,12 @@
+@@ -2184,6 +2717,12 @@
          if (this.isAlive() && this instanceof Leashable leashable) {
              if (leashable.getLeashHolder() == player) {
                  if (!this.level().isClientSide()) {
@@ -940,7 +941,7 @@
                      if (player.hasInfiniteMaterials()) {
                          leashable.removeLeash();
                      } else {
-@@ -2200,6 +2734,13 @@
+@@ -2200,6 +2739,13 @@
  
              if (itemstack.is(Items.LEAD) && leashable.canHaveALeashAttachedToIt()) {
                  if (!this.level().isClientSide()) {
@@ -954,7 +955,7 @@
                      leashable.setLeashedTo(player, true);
                  }
  
-@@ -2265,7 +2806,7 @@
+@@ -2265,7 +2811,7 @@
      }
  
      public boolean showVehicleHealth() {
@@ -963,7 +964,7 @@
      }
  
      public boolean startRiding(Entity entity, boolean force) {
-@@ -2273,7 +2814,7 @@
+@@ -2273,7 +2819,7 @@
              return false;
          } else if (!entity.couldAcceptPassenger()) {
              return false;
@@ -972,7 +973,7 @@
              return false;
          } else {
              for (Entity entity1 = entity; entity1.vehicle != null; entity1 = entity1.vehicle) {
-@@ -2285,11 +2826,32 @@
+@@ -2285,11 +2831,32 @@
              if (!force && (!this.canRide(entity) || !entity.canAddPassenger(this))) {
                  return false;
              } else {
@@ -1006,7 +1007,7 @@
                  this.vehicle = entity;
                  this.vehicle.addPassenger(this);
                  entity.getIndirectPassengersStream().filter((entity2) -> {
-@@ -2314,19 +2876,30 @@
+@@ -2314,19 +2881,30 @@
      }
  
      public void removeVehicle() {
@@ -1039,7 +1040,7 @@
      protected void addPassenger(Entity passenger) {
          if (passenger.getVehicle() != this) {
              throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
-@@ -2349,21 +2922,53 @@
+@@ -2349,21 +2927,53 @@
          }
      }
  
@@ -1099,7 +1100,7 @@
      }
  
      protected boolean canAddPassenger(Entity passenger) {
-@@ -2464,7 +3069,7 @@
+@@ -2464,7 +3074,7 @@
                      if (teleporttransition != null) {
                          ServerLevel worldserver1 = teleporttransition.newLevel();
  
@@ -1108,7 +1109,7 @@
                              this.teleport(teleporttransition);
                          }
                      }
-@@ -2547,7 +3152,7 @@
+@@ -2547,7 +3157,7 @@
      }
  
      public boolean isCrouching() {
@@ -1117,7 +1118,7 @@
      }
  
      public boolean isSprinting() {
-@@ -2563,7 +3168,7 @@
+@@ -2563,7 +3173,7 @@
      }
  
      public boolean isVisuallySwimming() {
@@ -1126,7 +1127,7 @@
      }
  
      public boolean isVisuallyCrawling() {
-@@ -2571,6 +3176,13 @@
+@@ -2571,6 +3181,13 @@
      }
  
      public void setSwimming(boolean swimming) {
@@ -1140,7 +1141,7 @@
          this.setSharedFlag(4, swimming);
      }
  
-@@ -2609,6 +3221,7 @@
+@@ -2609,6 +3226,7 @@
  
      @Nullable
      public PlayerTeam getTeam() {
@@ -1148,7 +1149,7 @@
          return this.level().getScoreboard().getPlayersTeam(this.getScoreboardName());
      }
  
-@@ -2624,8 +3237,12 @@
+@@ -2624,8 +3242,12 @@
          return this.getTeam() != null ? this.getTeam().isAlliedTo(team) : false;
      }
  
@@ -1162,7 +1163,7 @@
      }
  
      public boolean getSharedFlag(int index) {
-@@ -2644,7 +3261,7 @@
+@@ -2644,7 +3266,7 @@
      }
  
      public int getMaxAirSupply() {
@@ -1171,7 +1172,7 @@
      }
  
      public int getAirSupply() {
-@@ -2652,7 +3269,18 @@
+@@ -2652,7 +3274,18 @@
      }
  
      public void setAirSupply(int air) {
@@ -1191,7 +1192,7 @@
      }
  
      public int getTicksFrozen() {
-@@ -2679,11 +3307,40 @@
+@@ -2679,11 +3312,40 @@
  
      public void thunderHit(ServerLevel world, LightningBolt lightning) {
          this.setRemainingFireTicks(this.remainingFireTicks + 1);
@@ -1234,7 +1235,7 @@
      }
  
      public void onAboveBubbleCol(boolean drag) {
-@@ -2713,7 +3370,7 @@
+@@ -2713,7 +3375,7 @@
          this.resetFallDistance();
      }
  
@@ -1243,7 +1244,7 @@
          return true;
      }
  
-@@ -2818,7 +3475,7 @@
+@@ -2818,7 +3480,7 @@
      public String toString() {
          String s = this.level() == null ? "~NULL~" : this.level().toString();
  
@@ -1252,7 +1253,7 @@
      }
  
      public final boolean isInvulnerableToBase(DamageSource damageSource) {
-@@ -2852,6 +3509,26 @@
+@@ -2852,6 +3514,26 @@
  
          if (world instanceof ServerLevel worldserver) {
              if (!this.isRemoved()) {
@@ -1279,7 +1280,7 @@
                  ServerLevel worldserver1 = teleportTarget.newLevel();
                  boolean flag = worldserver1.dimension() != worldserver.dimension();
  
-@@ -2920,8 +3597,12 @@
+@@ -2920,8 +3602,12 @@
          } else {
              entity.restoreFrom(this);
              this.removeAfterChangingDimensions();
@@ -1293,7 +1294,7 @@
              Iterator iterator1 = list1.iterator();
  
              while (iterator1.hasNext()) {
-@@ -2947,7 +3628,7 @@
+@@ -2947,7 +3633,7 @@
      }
  
      private void sendTeleportTransitionToRidingPlayers(TeleportTransition teleportTarget) {
@@ -1302,7 +1303,7 @@
          Iterator iterator = this.getIndirectPassengers().iterator();
  
          while (iterator.hasNext()) {
-@@ -2995,8 +3676,9 @@
+@@ -2995,8 +3681,9 @@
      }
  
      protected void removeAfterChangingDimensions() {
@@ -1313,12 +1314,10 @@
              leashable.removeLeash();
          }
  
-@@ -3004,7 +3686,21 @@
- 
-     public Vec3 getRelativePortalPosition(Direction.Axis portalAxis, BlockUtil.FoundRectangle portalRect) {
+@@ -3006,6 +3693,20 @@
          return PortalShape.getRelativePosition(portalRect, portalAxis, this.position(), this.getDimensions(this.getPose()));
-+    }
-+
+     }
+ 
 +    // CraftBukkit start
 +    public CraftPortalEvent callPortalEvent(Entity entity, Location exit, PlayerTeleportEvent.TeleportCause cause, int searchRadius, int creationRadius) {
 +        org.bukkit.entity.Entity bukkitEntity = entity.getBukkitEntity();
@@ -1330,12 +1329,13 @@
 +            return null;
 +        }
 +        return new CraftPortalEvent(event);
-     }
++    }
 +    // CraftBukkit end
- 
++
      public boolean canUsePortal(boolean allowVehicles) {
          return (allowVehicles || !this.isPassenger()) && this.isAlive();
-@@ -3134,10 +3830,16 @@
+     }
+@@ -3134,10 +3835,16 @@
          return (Boolean) this.entityData.get(Entity.DATA_CUSTOM_NAME_VISIBLE);
      }
  
@@ -1355,7 +1355,7 @@
          return entity != null;
      }
  
-@@ -3187,7 +3889,7 @@
+@@ -3187,7 +3894,7 @@
      /** @deprecated */
      @Deprecated
      protected void fixupDimensions() {
@@ -1364,7 +1364,7 @@
          EntityDimensions entitysize = this.getDimensions(entitypose);
  
          this.dimensions = entitysize;
-@@ -3196,7 +3898,7 @@
+@@ -3196,7 +3903,7 @@
  
      public void refreshDimensions() {
          EntityDimensions entitysize = this.dimensions;
@@ -1373,7 +1373,7 @@
          EntityDimensions entitysize1 = this.getDimensions(entitypose);
  
          this.dimensions = entitysize1;
-@@ -3258,10 +3960,29 @@
+@@ -3258,10 +3965,29 @@
      }
  
      public final void setBoundingBox(AABB boundingBox) {
@@ -1405,7 +1405,7 @@
          return this.getDimensions(pose).eyeHeight();
      }
  
-@@ -3335,7 +4056,7 @@
+@@ -3335,7 +4061,7 @@
      }
  
      @Nullable
@@ -1414,7 +1414,7 @@
          return null;
      }
  
-@@ -3435,7 +4156,7 @@
+@@ -3435,7 +4161,7 @@
      }
  
      public boolean isControlledByLocalInstance() {
@@ -1423,7 +1423,7 @@
  
          if (entityliving instanceof Player entityhuman) {
              return entityhuman.isLocalPlayer();
-@@ -3445,7 +4166,7 @@
+@@ -3445,7 +4171,7 @@
      }
  
      public boolean isControlledByClient() {
@@ -1432,7 +1432,7 @@
  
          return entityliving != null && entityliving.isControlledByClient();
      }
-@@ -3463,7 +4184,7 @@
+@@ -3463,7 +4189,7 @@
          return new Vec3((double) f1 * d2 / (double) f3, 0.0D, (double) f2 * d2 / (double) f3);
      }
  
@@ -1441,7 +1441,7 @@
          return new Vec3(this.getX(), this.getBoundingBox().maxY, this.getZ());
      }
  
-@@ -3488,9 +4209,38 @@
+@@ -3488,9 +4214,38 @@
      public int getFireImmuneTicks() {
          return 1;
      }
@@ -1481,7 +1481,7 @@
      }
  
      public void lookAt(EntityAnchorArgument.Anchor anchorPoint, Vec3 target) {
-@@ -3551,6 +4301,11 @@
+@@ -3551,6 +4306,11 @@
                                      vec3d = vec3d.add(vec3d1);
                                      ++k1;
                                  }
@@ -1493,7 +1493,7 @@
                              }
                          }
                      }
-@@ -3613,7 +4368,7 @@
+@@ -3613,7 +4373,7 @@
          return new ClientboundAddEntityPacket(this, entityTrackerEntry);
      }
  
@@ -1502,7 +1502,7 @@
          return this.type.getDimensions();
      }
  
-@@ -3818,8 +4573,16 @@
+@@ -3818,8 +4578,16 @@
  
      @Override
      public final void setRemoved(Entity.RemovalReason reason) {
@@ -1520,7 +1520,7 @@
          }
  
          if (this.removalReason.shouldDestroy()) {
-@@ -3827,8 +4590,8 @@
+@@ -3827,8 +4595,8 @@
          }
  
          this.getPassengers().forEach(Entity::stopRiding);
@@ -1531,7 +1531,7 @@
      }
  
      public void unsetRemoved() {
-@@ -3887,7 +4650,7 @@
+@@ -3887,7 +4655,7 @@
      }
  
      public Vec3 getKnownMovement() {

paper-server/patches/sources/net/minecraft/world/level/block/NetherPortalBlock.java.patch

@@ -20,7 +20,7 @@
  
  public class NetherPortalBlock extends Block implements Portal {
  
-@@ -71,13 +78,14 @@
+@@ -71,16 +78,21 @@
  
      @Override
      protected void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
@@ -37,7 +37,14 @@
  
                  if (entity != null) {
                      entity.setPortalCooldown();
-@@ -104,6 +112,10 @@
++                    // Paper start - Add option to nerf pigmen from nether portals
++                    entity.fromNetherPortal = true;
++                    if (world.paperConfig().entities.behavior.nerfPigmenFromNetherPortals) ((net.minecraft.world.entity.Mob) entity).aware = false;
++                    // Paper end - Add option to nerf pigmen from nether portals
+                     Entity entity1 = entity.getVehicle();
+ 
+                     if (entity1 != null) {
+@@ -104,6 +116,10 @@
      @Override
      protected void entityInside(BlockState state, Level world, BlockPos pos, Entity entity) {
          if (entity.canUsePortal(false)) {
@@ -48,7 +55,7 @@
              entity.setAsInsidePortal(this, pos);
          }
  
-@@ -121,51 +133,72 @@
+@@ -121,51 +137,72 @@
      @Nullable
      @Override
      public TeleportTransition getPortalDestination(ServerLevel world, Entity entity, BlockPos pos) {
@@ -134,7 +141,7 @@
      }
  
      private static TeleportTransition getDimensionTransitionFromExit(Entity entity, BlockPos pos, BlockUtil.FoundRectangle exitPortalRectangle, ServerLevel world, TeleportTransition.PostTeleportTransition postDimensionTransition) {
-@@ -203,7 +236,7 @@
+@@ -203,7 +240,7 @@
          Vec3 vec3d1 = new Vec3((double) blockposition.getX() + (flag ? d2 : d4), (double) blockposition.getY() + d3, (double) blockposition.getZ() + (flag ? d4 : d2));
          Vec3 vec3d2 = PortalShape.findCollisionFreePosition(vec3d1, world, entity, entitysize);