Added data framework (com.sk89q.worldedit.data.*); moved schematic loading/saving towards data framework; added work-in-progress EditSession.restoreBackup().

src/com/sk89q/worldedit/Vector2D.java

@@ -0,0 +1,185 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.worldedit;
+
+/**
+ *
+ * @author Albert
+ */
+public class Vector2D {
+    protected final double x, z;
+
+    /**
+     * Construct the Vector2D object.
+     *
+     * @param x
+     * @param z
+     */
+    public Vector2D(double x, double z) {
+        this.x = x;
+        this.z = z;
+    }
+
+    /**
+     * Construct the Vector2D object.
+     *
+     * @param x
+     * @param z
+     */
+    public Vector2D(int x, int z) {
+        this.x = (double)x;
+        this.z = (double)z;
+    }
+
+    /**
+     * Construct the Vector2D object.
+     *
+     * @param x
+     * @param y
+     * @param z
+     */
+    public Vector2D(float x, float z) {
+        this.x = (double)x;
+        this.z = (double)z;
+    }
+
+    /**
+     * Construct the Vector2D object.
+     *
+     * @param pt
+     */
+    public Vector2D(Vector2D pt) {
+        this.x = pt.x;
+        this.z = pt.z;
+    }
+
+    /**
+     * Construct the Vector2D object.
+     */
+    public Vector2D() {
+        this.x = 0;
+        this.z = 0;
+    }
+
+    /**
+     * @return the x
+     */
+    public double getX() {
+        return x;
+    }
+
+    /**
+     * @return the x
+     */
+    public int getBlockX() {
+        return (int)Math.round(x);
+    }
+
+    /**
+     * Set X.
+     *
+     * @param x
+     * @return new vector
+     */
+    public Vector2D setX(double x) {
+        return new Vector2D(x, z);
+    }
+
+    /**
+     * Set X.
+     *
+     * @param x
+     * @return new vector
+     */
+    public Vector2D setX(int x) {
+        return new Vector2D(x, z);
+    }
+
+    /**
+     * @return the z
+     */
+    public double getZ() {
+        return z;
+    }
+
+    /**
+     * @return the z
+     */
+    public int getBlockZ() {
+        return (int)Math.round(z);
+    }
+
+    /**
+     * Set Z.
+     *
+     * @param z
+     * @return new vector
+     */
+    public Vector2D setZ(double z) {
+        return new Vector2D(x, z);
+    }
+
+    /**
+     * Set Z.
+     *
+     * @param z
+     * @return new vector
+     */
+    public Vector2D setZ(int z) {
+        return new Vector2D(x, z);
+    }
+
+    /**
+     * Checks if another object is equivalent.
+     *
+     * @param obj
+     * @return whether the other object is equivalent
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof Vector2D)) {
+            return false;
+        }
+        Vector other = (Vector)obj;
+        return other.x == this.x && other.z == this.z;
+
+    }
+
+    /**
+     * Gets the hash code.
+     *
+     * @return hash code
+     */
+    @Override
+    public int hashCode() {
+        return ((new Double(x)).hashCode() >> 13) ^
+                (new Double(z)).hashCode();
+    }
+
+    /**
+     * Returns string representation "(x, y, z)".
+     *
+     * @return string
+     */
+    @Override
+    public String toString() {
+        return "(" + x + ", " + z + ")";
+    }
+}