Delegate flora creation to new FloraGenerator.

Sadly, no biome-specific flowers because the biome API in WorldEdit apparently needs some improvement.

src/main/java/com/sk89q/worldedit/operation/RegionFunction.java

@@ -0,0 +1,39 @@
+/*
+ * 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.operation;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.WorldEditException;
+
+/**
+ * Performs a function on points in a region.
+ */
+public interface RegionFunction {
+
+    /**
+     * Apply the function to the given position.
+     *
+     * @param position the position
+     * @return true if something was changed
+     * @throws WorldEditException thrown on an error
+     */
+    public boolean apply(Vector position) throws WorldEditException;
+
+}