Add get|set_entity_saves_on_unload()

src/main/java/com/laytonsmith/abstraction/MCEntity.java

@@ -57,6 +57,10 @@ public interface MCEntity extends MCMetadatable {
 
 	void remove();
 
+	boolean savesOnUnload();
+
+	void setSavesOnUnload(boolean remove);
+
 	void setFallDistance(float distance);
 
 	void setFireTicks(int ticks);

src/main/java/com/laytonsmith/abstraction/bukkit/entities/BukkitMCEntity.java

@@ -194,6 +194,16 @@ public void remove() {
 		e.remove();
 	}
 
+	@Override
+	public boolean savesOnUnload() {
+		return e.isPersistent();
+	}
+
+	@Override
+	public void setSavesOnUnload(boolean saves) {
+		e.setPersistent(saves);
+	}
+
 	@Override
 	public void setFallDistance(float distance) {
 		e.setFallDistance(distance);

src/main/java/com/laytonsmith/core/functions/EntityManagement.java

@@ -642,6 +642,61 @@ public MSVersion since() {
 
 	}
 
+	@api(environments = {CommandHelperEnvironment.class})
+	public static class get_entity_saves_on_unload extends EntityGetterFunction {
+
+		@Override
+		public Mixed exec(Target t, Environment environment, Mixed... args) throws ConfigRuntimeException {
+			MCEntity ent = Static.getEntity(args[0], t);
+			return CBoolean.get(ent.savesOnUnload());
+		}
+
+		@Override
+		public String getName() {
+			return "get_entity_saves_on_unload";
+		}
+
+		@Override
+		public String docs() {
+			return "void {entityUUID} Gets whether the entity will be saved to disk when it is unloaded.";
+		}
+
+		@Override
+		public MSVersion since() {
+			return MSVersion.V3_3_5;
+		}
+
+	}
+
+	@api(environments = {CommandHelperEnvironment.class})
+	public static class set_entity_saves_on_unload extends EntitySetterFunction {
+
+		@Override
+		public Mixed exec(Target t, Environment environment, Mixed... args) throws ConfigRuntimeException {
+			MCEntity ent = Static.getEntity(args[0], t);
+			ent.setSavesOnUnload(ArgumentValidation.getBooleanObject(args[1], t));
+			return CVoid.VOID;
+		}
+
+		@Override
+		public String getName() {
+			return "set_entity_saves_on_unload";
+		}
+
+		@Override
+		public String docs() {
+			return "void {entityUUID, boolean} Sets whether the entity is saved to disk when it is unloaded."
+					+ " By default an entity is saved. Setting this to false disables that."
+					+ " Can be used on players to disable player data saving on quit.";
+		}
+
+		@Override
+		public MSVersion since() {
+			return MSVersion.V3_3_5;
+		}
+
+	}
+
 	@api(environments = {CommandHelperEnvironment.class})
 	public static class entity_type extends EntityGetterFunction {