Add BlockShearEntityEvent for Dispensers shearing Sheep

By: nathat890 <nathat890@outlook.com>

paper-api/src/main/java/org/bukkit/event/block/BlockShearEntityEvent.java

@@ -0,0 +1,67 @@
+package org.bukkit.event.block;
+
+import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Event fired when a dispenser shears a nearby sheep.
+ */
+public class BlockShearEntityEvent extends BlockEvent implements Cancellable {
+
+    private static final HandlerList handlers = new HandlerList();
+    //
+    private final Entity sheared;
+    private final ItemStack tool;
+    private boolean cancelled;
+
+    public BlockShearEntityEvent(@NotNull Block dispenser, @NotNull Entity sheared, @NotNull ItemStack tool) {
+        super(dispenser);
+        this.sheared = sheared;
+        this.tool = tool;
+    }
+
+    /**
+     * Gets the entity that was sheared.
+     *
+     * @return the entity that was sheared.
+     */
+    @NotNull
+    public Entity getEntity() {
+        return sheared;
+    }
+
+    /**
+     * Gets the item used to shear this sheep.
+     *
+     * @return the item used to shear this sheep.
+     */
+    @NotNull
+    public ItemStack getTool() {
+        return tool.clone();
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}