From b414229c917c7e8744af5f4bbbab64cc28d09b7a Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Wed, 28 Sep 2016 23:19:00 +1000
Subject: [PATCH] Add offset pattern

---
 .../fawe/object/pattern/OffsetPattern.java    | 25 +++++++++++++++++++
 .../factory/HashTagPatternParser.java         | 14 ++++++++++-
 2 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 core/src/main/java/com/boydti/fawe/object/pattern/OffsetPattern.java

diff --git a/core/src/main/java/com/boydti/fawe/object/pattern/OffsetPattern.java b/core/src/main/java/com/boydti/fawe/object/pattern/OffsetPattern.java
new file mode 100644
index 00000000..e3881132
--- /dev/null
+++ b/core/src/main/java/com/boydti/fawe/object/pattern/OffsetPattern.java
@@ -0,0 +1,25 @@
+package com.boydti.fawe.object.pattern;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.function.pattern.AbstractPattern;
+
+public class OffsetPattern extends AbstractPattern {
+
+    private final int dx,dy,dz;
+    private final Vector mutable = new Vector();
+
+    public OffsetPattern(int dx, int dy, int dz) {
+        this.dx = dx;
+        this.dy = dy;
+        this.dz = dz;
+    }
+
+    @Override
+    public BaseBlock apply(Vector position) {
+        mutable.x = position.x + dx;
+        mutable.y = position.y + dy;
+        mutable.z = position.z + dz;
+        return null;
+    }
+}
diff --git a/core/src/main/java/com/sk89q/worldedit/extension/factory/HashTagPatternParser.java b/core/src/main/java/com/sk89q/worldedit/extension/factory/HashTagPatternParser.java
index f5a4a1e8..d794cfbe 100644
--- a/core/src/main/java/com/sk89q/worldedit/extension/factory/HashTagPatternParser.java
+++ b/core/src/main/java/com/sk89q/worldedit/extension/factory/HashTagPatternParser.java
@@ -7,6 +7,7 @@ import com.boydti.fawe.object.pattern.MaskedPattern;
 import com.boydti.fawe.object.pattern.NoXPattern;
 import com.boydti.fawe.object.pattern.NoYPattern;
 import com.boydti.fawe.object.pattern.NoZPattern;
+import com.boydti.fawe.object.pattern.OffsetPattern;
 import com.boydti.fawe.object.pattern.PatternExtent;
 import com.boydti.fawe.object.pattern.RandomOffsetPattern;
 import com.boydti.fawe.object.pattern.RelativePattern;
@@ -123,6 +124,17 @@ public class HashTagPatternParser extends InputParser<Pattern> {
                             }
                             return new MaskedPattern(mask, extent, secondary);
                         }
+                        case "#offset":
+                            try {
+                                int x = Math.abs(Integer.parseInt(split2[1]));
+                                int y = Math.abs(Integer.parseInt(split2[2]));
+                                int z = Math.abs(Integer.parseInt(split2[3]));
+                                rest = rest.substring(split2[1].length() + split2[2].length() + split2[3].length() + 3);
+                                Pattern pattern = parseFromInput(rest, context);
+                                return new OffsetPattern(x, y, z);
+                            } catch (NumberFormatException e) {
+                                throw new InputParseException("The correct format is #offset:<dx>:<dy>:<dz>:<pattern>");
+                            }
                         case "#randomoffset":
                         case "#spread": {
                             try {
@@ -133,7 +145,7 @@ public class HashTagPatternParser extends InputParser<Pattern> {
                                 Pattern pattern = parseFromInput(rest, context);
                                 return new RandomOffsetPattern(pattern, x, y, z);
                             } catch (NumberFormatException e) {
-
+                                throw new InputParseException("The correct format is #spread:<dx>:<dy>:<dz>:<pattern>");
                             }
                         }
                         case "#l":