From 7278ee0293189ea3ffb44a0a1a0cb677247ee316 Mon Sep 17 00:00:00 2001
From: Bukkit/Spigot <noreply+git-bukkit@papermc.io>
Date: Wed, 29 Jul 2020 19:40:57 +1000
Subject: [PATCH] #491: Add support to change block's lid state

By: jameslfc19 <jameslfc19@gmail.com>
---
 .../src/main/java/org/bukkit/block/Barrel.java   |  2 +-
 .../src/main/java/org/bukkit/block/Chest.java    |  2 +-
 .../src/main/java/org/bukkit/block/Lidded.java   | 16 ++++++++++++++++
 .../main/java/org/bukkit/block/ShulkerBox.java   |  2 +-
 4 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 paper-api/src/main/java/org/bukkit/block/Lidded.java

diff --git a/paper-api/src/main/java/org/bukkit/block/Barrel.java b/paper-api/src/main/java/org/bukkit/block/Barrel.java
index 5eacc44ac4..aa1bb7a1a1 100644
--- a/paper-api/src/main/java/org/bukkit/block/Barrel.java
+++ b/paper-api/src/main/java/org/bukkit/block/Barrel.java
@@ -5,4 +5,4 @@ import org.bukkit.loot.Lootable;
 /**
  * Represents a captured state of a Barrel.
  */
-public interface Barrel extends Container, Lootable { }
+public interface Barrel extends Container, Lootable, Lidded { }
diff --git a/paper-api/src/main/java/org/bukkit/block/Chest.java b/paper-api/src/main/java/org/bukkit/block/Chest.java
index c67d711010..b451191312 100644
--- a/paper-api/src/main/java/org/bukkit/block/Chest.java
+++ b/paper-api/src/main/java/org/bukkit/block/Chest.java
@@ -7,7 +7,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Represents a captured state of a chest.
  */
-public interface Chest extends Container, Lootable {
+public interface Chest extends Container, Lootable, Lidded {
 
     /**
      * Gets the inventory of the chest block represented by this block state.
diff --git a/paper-api/src/main/java/org/bukkit/block/Lidded.java b/paper-api/src/main/java/org/bukkit/block/Lidded.java
new file mode 100644
index 0000000000..9da2566e02
--- /dev/null
+++ b/paper-api/src/main/java/org/bukkit/block/Lidded.java
@@ -0,0 +1,16 @@
+package org.bukkit.block;
+
+public interface Lidded {
+
+    /**
+     * Sets the block's animated state to open and prevents it from being closed
+     * until {@link #close()} is called.
+     */
+    void open();
+
+    /**
+     * Sets the block's animated state to closed even if a player is currently
+     * viewing this block.
+     */
+    void close();
+}
diff --git a/paper-api/src/main/java/org/bukkit/block/ShulkerBox.java b/paper-api/src/main/java/org/bukkit/block/ShulkerBox.java
index 938f9aead4..2ab2660581 100644
--- a/paper-api/src/main/java/org/bukkit/block/ShulkerBox.java
+++ b/paper-api/src/main/java/org/bukkit/block/ShulkerBox.java
@@ -7,7 +7,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Represents a captured state of a ShulkerBox.
  */
-public interface ShulkerBox extends Container, Lootable {
+public interface ShulkerBox extends Container, Lootable, Lidded {
 
     /**
      * Get the {@link DyeColor} corresponding to this ShulkerBox