From 0cafe4abb867cd98ebd61566127c09d13bb351df Mon Sep 17 00:00:00 2001
From: sk89q <the.sk89q@gmail.com>
Date: Wed, 26 Mar 2014 23:07:47 -0700
Subject: [PATCH] Added BoundedYMask that requires that Y is in a range.

---
 .../sk89q/worldedit/masks/BoundedYMask.java   | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/main/java/com/sk89q/worldedit/masks/BoundedYMask.java

diff --git a/src/main/java/com/sk89q/worldedit/masks/BoundedYMask.java b/src/main/java/com/sk89q/worldedit/masks/BoundedYMask.java
new file mode 100644
index 000000000..21980312d
--- /dev/null
+++ b/src/main/java/com/sk89q/worldedit/masks/BoundedYMask.java
@@ -0,0 +1,47 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * 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.masks;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+/**
+ * Fails all tests against locations outside a range of Y values.
+ */
+public class BoundedYMask extends AbstractMask {
+
+    private final int minY;
+    private final int maxY;
+
+    public BoundedYMask(int minY, int maxY) {
+        if (minY > maxY) {
+            throw new IllegalArgumentException("minY must be less than or equal to maxY");
+        }
+        this.minY = minY;
+        this.maxY = maxY;
+    }
+
+    @Override
+    public boolean matches(EditSession editSession, Vector pos) {
+        int y = pos.getBlockY();
+        return y >= minY && y <= maxY;
+    }
+
+}