Suggestions

src/main/java/ch/njol/skript/expressions/ExprDomestication.java

@@ -59,17 +59,19 @@ public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelaye
 			case SET:
 			case ADD:
 			case REMOVE:
+			case RESET:
 				return CollectionUtils.array(Number.class);
 			default:
 				return null;
 		}
 	}
 
 	@Override
-	public void change(Event event, @Nullable Object[] delta, ChangeMode mode) {
-		assert mode != ChangeMode.REMOVE_ALL && mode != ChangeMode.DELETE && mode != ChangeMode.RESET;
+	public void change(Event event, Object @Nullable [] delta, ChangeMode mode) {
+		assert mode != ChangeMode.REMOVE_ALL && mode != ChangeMode.DELETE;
 
 		int change = delta == null ? 0 : ((Number) delta[0]).intValue();
+
 		for (LivingEntity entity : getExpr().getArray(event)) {
 			if (entity instanceof AbstractHorse) {
 				AbstractHorse horse = (AbstractHorse) entity;
@@ -84,13 +86,18 @@ public void change(Event event, @Nullable Object[] delta, ChangeMode mode) {
 					case REMOVE:
 						level -= change;
 						break;
+					case RESET:
+						level = 1;
+						break;
 					default:
 						assert false;
 						return;
 				}
 				level = max ? Math.max(level, 1) : Math2.fit(1, level, horse.getMaxDomestication());
 				if (max) {
 					horse.setMaxDomestication(level);
+					if (horse.getDomestication() > level)
+						horse.setDomestication(level);
 				} else {
 					horse.setDomestication(level);
 				}
@@ -99,13 +106,13 @@ public void change(Event event, @Nullable Object[] delta, ChangeMode mode) {
 	}
 
 	@Override
-	protected String getPropertyName() {
-		return (max ? "max " : "") + "domestication level";
+	public Class<? extends Number> getReturnType() {
+		return Number.class;
 	}
 
 	@Override
-	public Class<? extends Number> getReturnType() {
-		return Number.class;
+	protected String getPropertyName() {
+		return (max ? "max " : "") + "domestication level";
 	}
 
 }

src/test/skript/tests/syntaxes/expressions/ExprDomestication.sk

@@ -19,18 +19,37 @@ test "domestication":
 	assert max domestication level of {_e} is 100 with "removing from the max domestication of a horse should do exactly that"
 	assert domestication level of {_e} is 50 with "removing from the domestication of a horse should do exactly that"
 
-	set {_max} to max domestication level of {_e}
-	set domestication level of {_e} to {_max} + 1
+	subtract 60 from max domestication level of {_e}
+	assert domestication level of {_e} is 40 with "removing from the max domestication level of a horse should also clamp the domestication level if need be"
+
+	reset max domestication level of {_e}
+	reset domestication level of {_e}
+	assert max domestication level of {_e} is 1 with "resetting the max domestication of a horse should do exactly that"
+	assert domestication level of {_e} is 1 with "resetting the domestication of a horse should do exactly that"
+
+	set domestication level of {_e} to (max domestication level of {_e}) + 1
 	add 100 to domestication level of {_e}
-	assert domestication level of {_e} is not greater than {_max} with "the domestication level of a horse should never exceed it's max domestication level"
+	assert domestication level of {_e} is (max domestication level of {_e}) with "the domestication level of a horse should never exceed it's max domestication level"
 
 	set domestication level of {_e} to 0
 	subtract 100 from domestication level of {_e}
 	assert domestication level of {_e} is 1 with "the domestication level of a horse should never be less than 1"
 
 	set max domestication level of {_e} to 0
 	subtract 100 from max domestication level of {_e}
-	assert max domestication level of {_e} is 1 with "the domestication level of a horse should never be less than 1"
+	assert max domestication level of {_e} is 1 with "the max domestication level of a horse should never be less than 1"
+
+	add infinity value to max domestication level of {_e}
+	set max domestication level of {_e} to infinity value
+	add NaN value to max domestication level of {_e}
+	set max domestication level of {_e} to NaN value
+	assert max domestication level of {_e} is 1 with "infinity and NaN values affected the max domestication level of a horse, but shouldn't have"
+
+	add infinity value to domestication level of {_e}
+	set domestication level of {_e} to infinity value
+	add NaN value to domestication level of {_e}
+	set domestication level of {_e} to NaN value
+	assert domestication level of {_e} is 1 with "infinity and NaN values affected the domestication level of a horse, but shouldn't have"
 
 	assert max domestication level of {_z} is not set with "the max domestication of a non-horse should be null"
 	assert domestication level of {_z} is not set with "the domestication of a non-horse should be null"