Added MaterialData support for SAPPLING, POWERED_RAIL, and DETECTOR_RAIL.

By: sunkid <sunkid@iminurnetz.com>

paper-api/src/main/java/org/bukkit/Material.java

@@ -18,7 +18,7 @@ public enum Material {
     DIRT(3),
     COBBLESTONE(4),
     WOOD(5),
-    SAPLING(6, MaterialData.class),
+    SAPLING(6, Tree.class),
     BEDROCK(7),
     WATER(8, MaterialData.class),
     STATIONARY_WATER(9, MaterialData.class),
@@ -39,8 +39,8 @@ public enum Material {
     SANDSTONE(24),
     NOTE_BLOCK(25),
     BED_BLOCK(26, Bed.class),
-    POWERED_RAIL(27),
-    DETECTOR_RAIL(28),
+    POWERED_RAIL(27, PoweredRail.class),
+    DETECTOR_RAIL(28, DetectorRail.class),
     WEB(30),
     WOOL(35, Wool.class),
     YELLOW_FLOWER(37),

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

@@ -0,0 +1,32 @@
+package org.bukkit.material;
+
+import org.bukkit.Material;
+
+/**
+ * Represents a detector rail
+ */
+public class DetectorRail extends ExtendedRails implements PressureSensor {
+    public DetectorRail() {
+        super(Material.DETECTOR_RAIL);
+    }
+
+    public DetectorRail(final int type) {
+        super(type);
+    }
+
+    public DetectorRail(final Material type) {
+        super(type);
+    }
+
+    public DetectorRail(final int type, final byte data) {
+        super(type, data);
+    }
+
+    public DetectorRail(final Material type, final byte data) {
+        super(type, data);
+    }
+
+    public boolean isPressed() {
+        return (getData() & 0x8) == 0x8;
+    }
+}

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

@@ -0,0 +1,34 @@
+package org.bukkit.material;
+
+import org.bukkit.Material;
+
+/**
+ * This is the superclass for the {@link DetectorRail} and {@link PoweredRail} classes
+ */
+public class ExtendedRails extends Rails {
+    public ExtendedRails(final int type) {
+        super(type);
+    }
+
+    public ExtendedRails(final Material type) {
+        super(type);
+    }
+
+    public ExtendedRails(final int type, final byte data) {
+        super(type, data);
+    }
+
+    public ExtendedRails(final Material type, final byte data) {
+        super(type, data);
+    }
+
+    @Override
+    public boolean isCurve() {
+        return false;
+    }
+
+    @Override
+    protected byte getConvertedData() {
+        return (byte) (getData() & 0x7);
+    }
+}

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

@@ -0,0 +1,40 @@
+package org.bukkit.material;
+
+import org.bukkit.Material;
+
+/**
+ * Represents a powered rail
+ */
+public class PoweredRail extends ExtendedRails implements Redstone {
+    public PoweredRail() {
+        super(Material.POWERED_RAIL);
+    }
+
+    public PoweredRail(final int type) {
+        super(type);
+    }
+
+    public PoweredRail(final Material type) {
+        super(type);
+    }
+
+    public PoweredRail(final int type, final byte data) {
+        super(type, data);
+    }
+
+    public PoweredRail(final Material type, final byte data) {
+        super(type, data);
+    }
+
+    public boolean isPowered() {
+        return (getData() & 0x8) == 0x8;
+    }
+
+    /**
+     * Set whether this PoweredRail should be powered or not.
+     * @param isPowered whether or not the rail is powered
+     */
+    public void setPowered(boolean isPowered) {
+        setData((byte) (isPowered ? (getData() | 0x8) : (getData() & ~0x8)));
+    }
+}

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

@@ -4,14 +4,12 @@ import org.bukkit.Material;
 
 /**
  * Represents a pressure plate
- * @author CelticMinstrel
- *
  */
-public class PressurePlate extends MaterialData {
+public class PressurePlate extends MaterialData implements PressureSensor {
     public PressurePlate() {
         super(Material.WOOD_PLATE);
     }
-    
+
     public PressurePlate(int type) {
         super(type);
     }

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

@@ -0,0 +1,5 @@
+package org.bukkit.material;
+
+public interface PressureSensor {
+    public boolean isPressed();
+}

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

@@ -5,15 +5,13 @@ import org.bukkit.block.BlockFace;
 
 /**
  * Represents minecart rails.
- * 
- * @author sunkid
  */
 public class Rails extends MaterialData {
 
     public Rails() {
         super(Material.RAILS);
     }
-    
+
     public Rails(final int type) {
         super(type);
     }
@@ -34,7 +32,7 @@ public class Rails extends MaterialData {
      * @return the whether this track is set on a slope
      */
     public boolean isOnSlope() {
-        byte d = getData();
+        byte d = getConvertedData();
         return (d == 0x2 || d == 0x3 || d == 0x4 || d == 0x5);
     }
 
@@ -42,7 +40,7 @@ public class Rails extends MaterialData {
      * @return the whether this track is set as a curve
      */
     public boolean isCurve() {
-        byte d = getData();
+        byte d = getConvertedData();
         return (d == 0x6 || d == 0x7 || d == 0x8 || d == 0x9);
     }
 
@@ -54,7 +52,7 @@ public class Rails extends MaterialData {
      *         returned.
      */
     public BlockFace getDirection() {
-        byte d = getData();
+        byte d = getConvertedData();
         switch (d) {
         case 0x0:
         default:
@@ -79,9 +77,17 @@ public class Rails extends MaterialData {
             return BlockFace.NORTH_WEST;
         }
     }
-    
+
     @Override
     public String toString() {
         return super.toString() + " facing " + getDirection() + (isCurve() ? " on a curve" : (isOnSlope() ? " on a slope" : ""));
     }
+
+    /**
+     * Return the data without the extended properties used by {@link PoweredRail} and {@link DetectorRail}. Overridden in {@link ExtendedRails}
+     * @return the data without the extended part
+     */
+    protected byte getConvertedData() {
+        return getData();
+    }
 }