From 0cdd12669f5eb41e1979a0d35a8bcf6a0e567ba4 Mon Sep 17 00:00:00 2001
From: Ilya <admin@redguy.ru>
Date: Fri, 11 Feb 2022 16:11:28 +0300
Subject: [PATCH] Fix 3th chests

---
 .../extendedpistons/ExtendedPistons.java      |  2 +-
 .../redguy/extendedpistons/WorldListener.java | 31 +++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/redguy/extendedpistons/ExtendedPistons.java b/src/main/java/ru/redguy/extendedpistons/ExtendedPistons.java
index 410b114..1a651e6 100644
--- a/src/main/java/ru/redguy/extendedpistons/ExtendedPistons.java
+++ b/src/main/java/ru/redguy/extendedpistons/ExtendedPistons.java
@@ -1,4 +1,4 @@
-package ru.redguy.extendedpistons; //TODO: Block 3th chests, slime sides chests move, power supply remove, refactor
+package ru.redguy.extendedpistons; //TODO: slime sides chests move, power supply remove, refactor
 
 import net.milkbowl.vault.permission.Permission;
 import org.bukkit.Bukkit;
diff --git a/src/main/java/ru/redguy/extendedpistons/WorldListener.java b/src/main/java/ru/redguy/extendedpistons/WorldListener.java
index ae89991..e2dff7e 100644
--- a/src/main/java/ru/redguy/extendedpistons/WorldListener.java
+++ b/src/main/java/ru/redguy/extendedpistons/WorldListener.java
@@ -12,6 +12,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockPistonExtendEvent;
 import org.bukkit.event.block.BlockPistonRetractEvent;
 import org.bukkit.event.block.BlockRedstoneEvent;
+import org.bukkit.inventory.DoubleChestInventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.material.PistonBaseMaterial;
 
@@ -128,6 +129,36 @@ public class WorldListener implements Listener {
                         List<Block> blocks = checker.getMovedBlocksObjects();
                         List<Block> toBreak = checker.getBrokenBlocksObjects();
 
+                        upper: for (Block b : blocks) {
+                            Block b2 = b.getRelative(piston.getFacing());
+                            ArrayList<BlockFace> faces = new ArrayList<BlockFace>() {{add(BlockFace.NORTH);add(BlockFace.SOUTH);add(BlockFace.WEST);add(BlockFace.EAST);}};
+                            faces.remove(piston.getFacing().getOppositeFace());
+                            int chests = 0;
+                            for (BlockFace blockFace : faces) {
+                                Block b3 = b2.getRelative(blockFace);
+                                if(b3.getType() == Material.CHEST) {
+                                    chests++;
+                                    Chest chest = (Chest)b3.getState();
+                                    if(chest.getInventory() instanceof DoubleChestInventory) {
+                                        isMovable = false;
+                                        break upper;
+                                    }
+                                }
+                            }
+                            if(chests > 1) {
+                                isMovable = false;
+                                break;
+                            } else {
+                                if(b.getType() == Material.CHEST) {
+                                    Chest chest = (Chest)b.getState();
+                                    if(chest.getInventory() instanceof DoubleChestInventory) {
+                                        isMovable = false;
+                                        break;
+                                    }
+                                }
+                            }
+                        }
+
                         if (isMovable) {
                             BlockPistonExtendedExtendEvent event = new BlockPistonExtendedExtendEvent(block, blocks, piston.getFacing());
                             Bukkit.getPluginManager().callEvent(event);