Added basic copy/paste functions.

src/RegionClipboard.java

@@ -0,0 +1,91 @@
+// $Id$
+/*
+ * 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/>.
+*/
+
+import com.sk89q.worldedit.*;
+
+/**
+ *
+ * @author Albert
+ */
+public class RegionClipboard {
+    private int[][][] data;
+    private Point<Integer> min;
+    private Point<Integer> max;
+    private Point<Integer> origin;
+
+    /**
+     * Constructs the region instance. The minimum and maximum points must be
+     * the respective minimum and maximum numbers!
+     * 
+     * @param min
+     * @param max
+     * @param origin
+     */
+    public RegionClipboard(Point<Integer> min, Point<Integer> max, Point<Integer> origin) {
+        this.min = min;
+        this.max = max;
+        this.origin = origin;
+        data = new int[(max.getX()) - min.getX() + 1]
+            [max.getY() - min.getY() + 1]
+            [max.getZ() - min.getZ() + 1];
+    }
+
+    /**
+     * Copy to the clipboard.
+     *
+     * @param editSession
+     */
+    public void copy(EditSession editSession) {
+        for (int x = min.getX(); x <= max.getX(); x++) {
+            for (int y = min.getY(); y <= max.getY(); y++) {
+                for (int z = min.getZ(); z <= max.getZ(); z++) {
+                    data[x - min.getX()][y - min.getY()][z - min.getZ()] =
+                        editSession.getBlock(x, y, z);
+                }
+            }
+        }
+    }
+
+    /**
+     * Paste from the clipboard.
+     *
+     * @param editSession
+     * @param origin Position to paste it from
+     * @param noAir True to not paste air
+     */
+    public void paste(EditSession editSession, Point<Integer> newOrigin, boolean noAir) {
+        int xs = max.getX() - min.getX();
+        int ys = max.getY() - min.getY();
+        int zs = max.getZ() - min.getZ();
+        int offsetX = min.getX() - origin.getX() + newOrigin.getX();
+        int offsetY = min.getY() - origin.getY() + newOrigin.getY();
+        int offsetZ = min.getZ() - origin.getZ() + newOrigin.getZ();
+        
+        for (int x = 0; x < xs; x++) {
+            for (int y = 0; y <= ys; y++) {
+                for (int z = 0; z <= zs; z++) {
+                    if (noAir && data[x][y][z] == 0) { continue; }
+                    
+                    editSession.setBlock(x + offsetX, y + offsetY, z + offsetZ,
+                                         data[x][y][z]);
+                }
+            }
+        }
+    }
+}

src/WorldEdit.java

@@ -46,6 +46,9 @@ public class WorldEdit extends Plugin {
         commands.put("/editreplace", "<ID> - Replace all existing blocks inside region");
         commands.put("/editoverlay", "<ID> - Overlay the area one layer");
         commands.put("/removeabove", "<Size> - Remove blocks above head");
+        commands.put("/editcopy", "Copies the currently selected region");
+        commands.put("/editpaste", "Pastes the clipboard");
+        commands.put("/editpasteair", "Pastes the clipboard (with air)");
         commands.put("/editfill", "<ID> <Radius> <Depth> - Fill a hole");
         commands.put("/editscript", "<Filename> [Args...] - Run an editscript");
     }
@@ -227,6 +230,24 @@ public class WorldEdit extends Plugin {
             }
             return true;
 
+        // Paste
+        } else if (split[0].equalsIgnoreCase("/editpasteair") ||
+                   split[0].equalsIgnoreCase("/editpaste")) {
+            if (session.getClipboard() == null) {
+                player.sendMessage(Colors.Rose + "Nothing is in your clipboard.");
+            } else {
+                Point<Integer> pos = new Point<Integer>((int)Math.floor(player.getX()),
+                                                        (int)Math.floor(player.getY()),
+                                                        (int)Math.floor(player.getZ()));
+                session.getClipboard().paste(editSession, pos,
+                    split[0].equalsIgnoreCase("/editpaste"));
+                session.remember(editSession);
+                logger.log(Level.INFO, player.getName() + " used " + split[0]);
+                player.sendMessage(Colors.LightPurple + "Pasted.");
+            }
+
+            return true;
+
         // Fill a hole
         } else if (split[0].equalsIgnoreCase("/editfill")) {
             checkArgs(split, 1);
@@ -432,6 +453,23 @@ public class WorldEdit extends Plugin {
 
             session.remember(editSession);
 
+            return true;
+
+        // Copy
+        } else if (split[0].equalsIgnoreCase("/editcopy")) {
+            Point<Integer> min = new Point<Integer>(lowerX, lowerY, lowerZ);
+            Point<Integer> max = new Point<Integer>(upperX, upperY, upperZ);
+            Point<Integer> pos = new Point<Integer>((int)Math.floor(player.getX()),
+                                                    (int)Math.floor(player.getY()),
+                                                    (int)Math.floor(player.getZ()));
+
+            RegionClipboard clipboard = new RegionClipboard(min, max, pos);
+            clipboard.copy(editSession);
+            session.setClipboard(clipboard);
+
+            logger.log(Level.INFO, player.getName() + " used /editcopy");
+            player.sendMessage(Colors.LightPurple + "Block(s) copied.");
+
             return true;
         }
 

src/WorldEditSession.java

@@ -32,6 +32,7 @@ public class WorldEditSession {
     private boolean hasSetPos2 = false;
     private LinkedList<EditSession> history = new LinkedList<EditSession>();
     private int historyPointer = 0;
+    private RegionClipboard clipboard;
 
     /**
      * Get the edit session.
@@ -157,4 +158,18 @@ public class WorldEditSession {
                (getUpperY() - getLowerY() + 1) *
                (getUpperZ() - getLowerZ() + 1);
     }
+
+    /**
+     * @return
+     */
+    public RegionClipboard getClipboard() {
+        return clipboard;
+    }
+
+    /**
+     * @param clipboard
+     */
+    public void setClipboard(RegionClipboard clipboard) {
+        this.clipboard = clipboard;
+    }
 }