CNG Image map support

src/main/java/com/volmit/iris/util/noise/ImageNoise.java

@@ -0,0 +1,49 @@
+/*
+ * 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.noise;
+
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.engine.object.IrisExpression;
+import com.volmit.iris.engine.object.IrisImageMap;
+import com.volmit.iris.util.math.RNG;
+
+public class ImageNoise implements NoiseGenerator {
+    private final IrisImageMap expression;
+    private final IrisData data;
+
+    public ImageNoise(IrisData data, IrisImageMap expression) {
+        this.data = data;
+        this.expression = expression;
+    }
+
+    @Override
+    public double noise(double x) {
+        return noise(x, 0);
+    }
+
+    @Override
+    public double noise(double x, double z) {
+        return expression.getNoise(data, (int) x, (int)z);
+    }
+
+    @Override
+    public double noise(double x, double y, double z) {
+        return noise(x, y, 0);
+    }
+}