blockstate, more block events, command preprocess event.

Minecraft.Server.FourKit/Event/Block/BlockPistonEvent.cs

@@ -0,0 +1,45 @@
+namespace Minecraft.Server.FourKit.Event.Block;
+
+using Minecraft.Server.FourKit.Block;
+
+/// <summary>
+/// Called when a piston block is triggered.
+/// </summary>
+public abstract class BlockPistonEvent : BlockEvent, Cancellable
+{
+    private bool _cancel;
+    private readonly BlockFace _direction;
+
+    internal protected BlockPistonEvent(Block block, BlockFace direction) : base(block)
+    {
+        _direction = direction;
+        _cancel = false;
+    }
+
+
+    /// <inheritdoc />
+    public bool isCancelled() => _cancel;
+
+
+    /// <inheritdoc />
+    public void setCancelled(bool cancelled)
+    {
+        _cancel = cancelled;
+    }
+
+    /// <summary>
+    /// Returns true if the Piston in the event is sticky.
+    /// </summary>
+    /// <returns>Stickiness of the piston.</returns>
+    public bool isSticky()
+    {
+        var type = getBlock().getType();
+        return type == Material.PISTON_STICKY_BASE;
+    }
+
+    /// <summary>
+    /// Return the direction in which the piston will operate.
+    /// </summary>
+    /// <returns>Direction of the piston.</returns>
+    public BlockFace getDirection() => _direction;
+}