add new api to check for rotation/flip changes (#24)

* add new api to check for rotation/flip changes Signed-off-by: Glease <[email protected]> * add a bit javadoc Signed-off-by: Glease <[email protected]> --------- Signed-off-by: Glease <[email protected]>
GTNewHorizons · Sep 13, 2023 · b6d2af2 · b6d2af2
1 parent 8309567
commit b6d2af2
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/src/main/java/com/gtnewhorizon/structurelib/alignment/IAlignment.java b/src/main/java/com/gtnewhorizon/structurelib/alignment/IAlignment.java
@@ -190,4 +190,28 @@ default boolean isNewExtendedFacingValid(ExtendedFacing alignment) {
         return getAlignmentLimits()
                 .isNewExtendedFacingValid(alignment.getDirection(), alignment.getRotation(), alignment.getFlip());
     }
+
+    /**
+     * Check if this object support a flip change, assuming both direction and rotation is not changed.
+     */
+    default boolean isFlipChangeAllowed() {
+        ExtendedFacing facing = getExtendedFacing();
+        for (Flip flip : Flip.VALUES) {
+            if (flip == getFlip()) continue;
+            if (isNewExtendedFacingValid(facing.with(flip))) return true;
+        }
+        return false;
+    }
+
+    /**
+     * Check if this object support a rotation change, assuming both direction and flip is not changed.
+     */
+    default boolean isRotationChangeAllowed() {
+        ExtendedFacing facing = getExtendedFacing();
+        for (Rotation rotation : Rotation.VALUES) {
+            if (rotation == getRotation()) continue;
+            if (isNewExtendedFacingValid(facing.with(rotation))) return true;
+        }
+        return false;
+    }
 }