package com.volmit.iris.util; import java.util.Arrays; public class HeightMap { private final byte[] height; public HeightMap() { height = new byte[256]; Arrays.fill(height, Byte.MIN_VALUE); } public void setHeight(int x, int z, int h) { height[x * 16 + z] = (byte) (h + Byte.MIN_VALUE); } public int getHeight(int x, int z) { return height[x * 16 + z] - Byte.MIN_VALUE; } }