Filtering for matter

src/main/java/com/volmit/iris/util/matter/MatterFilter.java

@@ -0,0 +1,24 @@
+/*
+ * Iris is a World Generator for Minecraft Bukkit Servers
+ * Copyright (c) 2021 Arcane Arts (Volmit Software)
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+package com.volmit.iris.util.matter;
+
+@FunctionalInterface
+public interface MatterFilter<T> {
+    T update(int x, int y, int z, T t);
+}

src/main/java/com/volmit/iris/util/matter/MatterSlice.java

@@ -34,6 +34,11 @@ import java.io.IOException;
 public interface MatterSlice<T> extends Hunk<T> {
     Class<T> getType();
 
+    default void applyFilter(MatterFilter<T> filter)
+    {
+        updateSync(filter::update);
+    }
+
     void writeNode(T b, DataOutputStream dos) throws IOException;
 
     T readNode(DataInputStream din) throws IOException;