From f7fe72311b91ea2a347763142ba4df692ed60900 Mon Sep 17 00:00:00 2001
From: sk89q <the.sk89q@gmail.com>
Date: Sun, 30 Jan 2011 01:01:11 -0800
Subject: [PATCH] Added a clipboard pattern.

---
 src/com/sk89q/worldedit/CuboidClipboard.java  | 12 ++++
 src/com/sk89q/worldedit/WorldEdit.java        | 14 +++++
 .../worldedit/patterns/ClipboardPattern.java  | 63 +++++++++++++++++++
 3 files changed, 89 insertions(+)
 create mode 100644 src/com/sk89q/worldedit/patterns/ClipboardPattern.java

diff --git a/src/com/sk89q/worldedit/CuboidClipboard.java b/src/com/sk89q/worldedit/CuboidClipboard.java
index 552881865..9ce37422f 100644
--- a/src/com/sk89q/worldedit/CuboidClipboard.java
+++ b/src/com/sk89q/worldedit/CuboidClipboard.java
@@ -268,6 +268,18 @@ public class CuboidClipboard {
         }
     }
     
+    /**
+     * Get one point in the copy. The point is relative to the origin
+     * of the copy (0, 0, 0) and not to the actual copy origin.
+     * 
+     * @param pos
+     * @return null
+     * @throws ArrayIndexOutOfBoundsException
+     */
+    public BaseBlock getPoint(Vector pos) throws ArrayIndexOutOfBoundsException {
+        return data[pos.getBlockX()][pos.getBlockY()][pos.getBlockZ()];
+    }
+    
     /**
      * Get the size of the copy.
      * 
diff --git a/src/com/sk89q/worldedit/WorldEdit.java b/src/com/sk89q/worldedit/WorldEdit.java
index cf149c3a5..20fd2094a 100644
--- a/src/com/sk89q/worldedit/WorldEdit.java
+++ b/src/com/sk89q/worldedit/WorldEdit.java
@@ -286,6 +286,20 @@ public class WorldEdit {
             throws UnknownItemException, DisallowedItemException {
 
         String[] items = list.split(",");
+        
+        if (list.equals("#clipboard") || list.equals("#copy")) {
+            LocalSession session = getSession(player);
+            CuboidClipboard clipboard;
+            
+            try {
+                clipboard = session.getClipboard();
+            } catch (EmptyClipboardException e) {
+                player.printError("Copy a selection first with //copy.");
+                throw new UnknownItemException("#clipboard");
+            }
+            
+            return new ClipboardPattern(clipboard);
+        }
 
         if (items.length == 1) {
             return new SingleBlockPattern(getBlock(player, items[0]));
diff --git a/src/com/sk89q/worldedit/patterns/ClipboardPattern.java b/src/com/sk89q/worldedit/patterns/ClipboardPattern.java
new file mode 100644
index 000000000..8ec181c39
--- /dev/null
+++ b/src/com/sk89q/worldedit/patterns/ClipboardPattern.java
@@ -0,0 +1,63 @@
+// $Id$
+/*
+ * 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.patterns;
+
+import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.blocks.BaseBlock;
+
+/**
+ * Pattern that repeats the clipboard.
+ *
+ * @author sk89q
+ */
+public class ClipboardPattern implements Pattern {
+    /**
+     * Clipboard.
+     */
+    private CuboidClipboard clipboard;
+    /**
+     * Size of the clipboard.
+     */
+    private Vector size;
+
+    /**
+     * Construct the object.
+     *
+     * @param blockType
+     */
+    public ClipboardPattern(CuboidClipboard clipboard) {
+        this.clipboard = clipboard;
+        this.size = clipboard.getSize();
+    }
+
+    /**
+     * Get next block.
+     *
+     * @param pos
+     * @return
+     */
+    public BaseBlock next(Vector pos) {
+        int x = Math.abs(pos.getBlockX()) % size.getBlockX();
+        int y = Math.abs(pos.getBlockY()) % size.getBlockY();
+        int z = Math.abs(pos.getBlockZ()) % size.getBlockZ();
+
+        return clipboard.getPoint(new Vector(x, y, z));
+    }
+}