[BREAKING] EntityChangeBlockEvent can be non-living. Adds BUKKIT-3078

Non-living entities can change blocks, specifically falling blocks. This change is a small source break, but mainly a byte-code break (requires plugins to recompile).

By: Wesley Wolfe <weswolf@aol.com>

paper-api/src/main/java/org/bukkit/event/entity/EntityBreakDoorEvent.java

@@ -12,6 +12,11 @@ import org.bukkit.entity.LivingEntity;
  */
 public class EntityBreakDoorEvent extends EntityChangeBlockEvent {
     public EntityBreakDoorEvent(final LivingEntity entity, final Block targetBlock) {
-        super(entity, targetBlock, Material.AIR);
+        super(entity, targetBlock, Material.AIR, (byte) 0);
+    }
+
+    @Override
+    public LivingEntity getEntity() {
+        return (LivingEntity) entity;
     }
 }

paper-api/src/main/java/org/bukkit/event/entity/EntityChangeBlockEvent.java

@@ -2,14 +2,13 @@ package org.bukkit.event.entity;
 
 import org.bukkit.Material;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.Cancellable;
 import org.bukkit.event.HandlerList;
 
 /**
- * Called when a LivingEntity changes a block
+ * Called when any Entity, excluding players, changes a block.
- *
- * This event specifically excludes player entities
  */
 public class EntityChangeBlockEvent extends EntityEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
@@ -18,11 +17,26 @@ public class EntityChangeBlockEvent extends EntityEvent implements Cancellable {
     private final Material to;
     private final byte data;
 
+    /**
+     *
+     * @param what the LivingEntity causing the change
+     * @param block the block (before the change)
+     * @param to the future material being changed to
+     * @deprecated Provided as a backward compatibility before the data byte was provided, and type increased to all entities
+     */
+    @Deprecated
     public EntityChangeBlockEvent(final LivingEntity what, final Block block, final Material to) {
         this (what, block, to, (byte) 0);
     }
 
-    public EntityChangeBlockEvent(final LivingEntity what, final Block block, final Material to, final byte data) {
+    /**
+     *
+     * @param what the Entity causing the change
+     * @param block the block (before the change)
+     * @param to the future material being changed to
+     * @param data the future block data
+     */
+    public EntityChangeBlockEvent(final Entity what, final Block block, final Material to, final byte data) {
         super(what);
         this.block = block;
         this.cancel = false;
@@ -30,11 +44,6 @@ public class EntityChangeBlockEvent extends EntityEvent implements Cancellable {
         this.data = data;
     }
 
-    @Override
-    public LivingEntity getEntity() {
-        return (LivingEntity) entity;
-    }
-
     /**
      * Gets the block the entity is changing
      *