Initial 1.7 commit

codechicken/lib/vec/ITransformation.java

@@ -0,0 +1,49 @@
+package codechicken.lib.vec;
+
+/**
+ * Abstract supertype for any VectorN transformation
+ * @param <Vector> The vector type
+ * @param <Transformation> The transformation type
+ */
+public abstract class ITransformation<Vector, Transformation extends ITransformation>
+{
+    /**
+     * Applies this transformation to vec
+     */
+    public abstract void apply(Vector vec);
+
+    /**
+     * @param point The point to apply this transformation around
+     * @return Wraps this transformation in a translation to point and then back from point
+     */
+    public abstract Transformation at(Vector point);
+
+    /**
+     * Creates a TransformationList composed of this transformation followed by t
+     * If this is a TransformationList, the transformation will be appended and this returned
+     */
+    public abstract Transformation with(Transformation t);
+
+    /**
+     * Returns a simplified transformation that performs this, followed by next. If such a transformation does not exist, returns null
+     */
+    public Transformation merge(Transformation next) {
+        return null;
+    }
+
+    /**
+     * Returns true if this transformation is redundant, eg. Scale(1, 1, 1), Translation(0, 0, 0) or Rotation(0, a, b, c)
+     */
+    public boolean isRedundant() {
+        return false;
+    }
+
+    public abstract Transformation inverse();
+
+    /**
+     * Scala ++ operator
+     */
+    public Transformation $plus$plus(Transformation t) {
+        return with(t);
+    }
+}