Paper/patches/api/0394-Add-Moving-Piston-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sat, 4 Dec 2021 13:29:45 -0500
Subject: [PATCH] Add Moving Piston API


diff --git a/src/main/java/io/papermc/paper/block/MovingPiston.java b/src/main/java/io/papermc/paper/block/MovingPiston.java
new file mode 100644
index 0000000000000000000000000000000000000000..ee7c85abf66dc11920bb29f9ce3b407121a665ee
--- /dev/null
+++ b/src/main/java/io/papermc/paper/block/MovingPiston.java
@@ -0,0 +1,43 @@
+package io.papermc.paper.block;
+
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.TileState;
+import org.bukkit.block.data.BlockData;
+import org.jetbrains.annotations.NotNull;
+
+public interface MovingPiston extends TileState {
+
+    /**
+     * Gets the block that is being pushed
+     *
+     * @return the pushed block
+     */
+    @NotNull
+    BlockData getMovingBlock();
+
+    /**
+     * The direction that the current moving piston
+     * is pushing/pulling a block in.
+     *
+     * @return the direction
+     */
+    @NotNull
+    BlockFace getDirection();
+
+    /**
+     * Gets if the piston is extending or not.
+     * Returns false if the piston is retracting.
+     *
+     * @return is extending or not
+     */
+    boolean isExtending();
+
+    /**
+     * Returns if this moving piston represents the main piston head
+     * from the original piston.
+     *
+     * @return is the piston head or not
+     */
+    boolean isPistonHead();
+
+}