[Bleeding] Add new MaterialData classes for new blocks and update existing blocks with new data

By: Mike Primm <mike@primmhome.com>

paper-api/src/main/java/org/bukkit/material/WoodenStep.java

@@ -0,0 +1,85 @@
+package org.bukkit.material;
+
+import org.bukkit.Material;
+import org.bukkit.TreeSpecies;
+
+/**
+ * Represents the different types of wooden steps.
+ */
+public class WoodenStep extends MaterialData {
+
+    public WoodenStep() {
+        super(Material.WOOD_STEP);
+    }
+
+    public WoodenStep(final int type) {
+        super(type);
+    }
+
+    public WoodenStep(TreeSpecies species) {
+        this();
+        setSpecies(species);
+    }
+
+    public WoodenStep(TreeSpecies species, boolean inv) {
+        this();
+        setSpecies(species);
+        setInverted(inv);
+    }
+
+    public WoodenStep(final int type, final byte data) {
+        super(type, data);
+    }
+
+    public WoodenStep(final Material type, final byte data) {
+        super(type, data);
+    }
+
+    /**
+     * Gets the current species of this tree
+     *
+     * @return TreeSpecies of this tree
+     */
+    public TreeSpecies getSpecies() {
+        return TreeSpecies.getByData((byte) (getData() & 0x3));
+    }
+
+    /**
+     * Sets the species of this tree
+     *
+     * @param species New species of this tree
+     */
+    public void setSpecies(TreeSpecies species) {
+        setData((byte) ((getData() & 0xC) | species.getData()));
+    }
+
+    /**
+     * Test if step is inverted
+     * @return true if inverted (top half), false if normal (bottom half)
+     */
+    public boolean isInverted() {
+        return ((getData() & 0x8) != 0);
+    }
+    
+    /**
+     * Set step inverted state
+     * @param inv - true if step is inverted (top half), false if step is normal (bottom half)
+     */
+    public void setInverted(boolean inv) {
+        int dat = getData() & 0x7;
+        if (inv) {
+            dat |= 0x8;
+        }
+        setData((byte) dat);
+    }
+    
+    @Override
+    public WoodenStep clone() {
+        return (WoodenStep) super.clone();
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + " " + getSpecies() + (isInverted()?" inverted":"");
+    }
+}