Prevent players and complex parts being pasted in schematics.

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitEntityType.java

@@ -24,6 +24,7 @@ import com.sk89q.worldedit.util.Enums;
 import org.bukkit.entity.Ambient;
 import org.bukkit.entity.Animals;
 import org.bukkit.entity.Boat;
+import org.bukkit.entity.ComplexEntityPart;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.ExperienceOrb;
 import org.bukkit.entity.FallingBlock;
@@ -34,6 +35,7 @@ import org.bukkit.entity.ItemFrame;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Minecart;
 import org.bukkit.entity.Painting;
+import org.bukkit.entity.Player;
 import org.bukkit.entity.Projectile;
 import org.bukkit.entity.TNTPrimed;
 import org.bukkit.entity.Tameable;
@@ -143,4 +145,9 @@ class BukkitEntityType implements EntityType {
     public boolean isArmorStand() {
         return entity.getType() == armorStandType;
     }
+
+    @Override
+    public boolean isPasteable() {
+        return !(entity instanceof Player || entity instanceof ComplexEntityPart);
+    }
 }

worldedit-core/src/main/java/com/sk89q/worldedit/entity/metadata/EntityType.java

@@ -154,4 +154,11 @@ public interface EntityType {
      * @return true if an armor stand
      */
     boolean isArmorStand();
+
+    /**
+     * Test whether this entity can be pasted.
+     *
+     * @return true if pasteable
+     */
+    boolean isPasteable();
 }

worldedit-core/src/main/java/com/sk89q/worldedit/function/operation/ForwardExtentCopy.java

@@ -22,6 +22,7 @@ package com.sk89q.worldedit.function.operation;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.Entity;
+import com.sk89q.worldedit.entity.metadata.EntityType;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.function.CombinedRegionFunction;
 import com.sk89q.worldedit.function.RegionFunction;
@@ -36,6 +37,7 @@ import com.sk89q.worldedit.math.transform.Identity;
 import com.sk89q.worldedit.math.transform.Transform;
 import com.sk89q.worldedit.regions.Region;
 
+import java.util.Iterator;
 import java.util.List;
 
 import static com.google.common.base.Preconditions.checkArgument;
@@ -255,6 +257,15 @@ public class ForwardExtentCopy implements Operation {
                 ExtentEntityCopy entityCopy = new ExtentEntityCopy(from, destination, to, currentTransform);
                 entityCopy.setRemoving(removingEntities);
                 List<? extends Entity> entities = source.getEntities(region);
+                // Switch to entities.removeIf after Java 8 cutoff.
+                Iterator<? extends Entity> entityIterator = entities.iterator();
+                while (entityIterator.hasNext()) {
+                    EntityType type = entityIterator.next().getFacet(EntityType.class);
+
+                    if (type != null && !type.isPasteable()) {
+                        entityIterator.remove();
+                    }
+                }
                 EntityVisitor entityVisitor = new EntityVisitor(entities.iterator(), entityCopy);
                 return new DelegateOperation(this, new OperationQueue(blockVisitor, entityVisitor));
             } else {

worldedit-forge/src/main/java/com/sk89q/worldedit/forge/ForgeEntityType.java

@@ -25,6 +25,7 @@ import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.IMerchant;
 import net.minecraft.entity.INpc;
 import net.minecraft.entity.IProjectile;
+import net.minecraft.entity.MultiPartEntityPart;
 import net.minecraft.entity.item.EntityArmorStand;
 import net.minecraft.entity.item.EntityBoat;
 import net.minecraft.entity.item.EntityEnderEye;
@@ -40,6 +41,7 @@ import net.minecraft.entity.passive.EntityAmbientCreature;
 import net.minecraft.entity.passive.EntityAnimal;
 import net.minecraft.entity.passive.EntityTameable;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayerMP;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
@@ -141,4 +143,9 @@ public class ForgeEntityType implements EntityType {
     public boolean isArmorStand() {
         return entity instanceof EntityArmorStand;
     }
+
+    @Override
+    public boolean isPasteable() {
+        return !(entity instanceof EntityPlayerMP || entity instanceof MultiPartEntityPart);
+    }
 }

worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeEntityType.java

@@ -30,7 +30,9 @@ import org.spongepowered.api.entity.hanging.ItemFrame;
 import org.spongepowered.api.entity.hanging.Painting;
 import org.spongepowered.api.entity.living.*;
 import org.spongepowered.api.entity.living.animal.Animal;
+import org.spongepowered.api.entity.living.complex.ComplexLivingPart;
 import org.spongepowered.api.entity.living.golem.Golem;
+import org.spongepowered.api.entity.living.player.Player;
 import org.spongepowered.api.entity.projectile.Projectile;
 import org.spongepowered.api.entity.vehicle.Boat;
 import org.spongepowered.api.entity.vehicle.minecart.Minecart;
@@ -139,4 +141,9 @@ public class SpongeEntityType implements EntityType {
     public boolean isArmorStand() {
         return entity instanceof ArmorStand;
     }
+
+    @Override
+    public boolean isPasteable() {
+        return !(entity instanceof Player || entity instanceof ComplexLivingPart);
+    }
 }