From f6d1e2b3b8d7bf1145a035a21692a16a14673f88 Mon Sep 17 00:00:00 2001
From: Hannes Greule <hannesgreule@outlook.de>
Date: Sat, 5 Sep 2020 13:24:18 +0200
Subject: [PATCH] Check TileState manually on 1.13.2, fixes PS-122

---
 .../com/plotsquared/bukkit/BukkitMain.java    |  8 ++-
 .../bukkit/listener/PaperListener113.java     | 58 +++++++++++++++++++
 2 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 Bukkit/src/main/java/com/plotsquared/bukkit/listener/PaperListener113.java

diff --git a/Bukkit/src/main/java/com/plotsquared/bukkit/BukkitMain.java b/Bukkit/src/main/java/com/plotsquared/bukkit/BukkitMain.java
index 34cbcc5b3..4f149d126 100644
--- a/Bukkit/src/main/java/com/plotsquared/bukkit/BukkitMain.java
+++ b/Bukkit/src/main/java/com/plotsquared/bukkit/BukkitMain.java
@@ -25,6 +25,7 @@
  */
 package com.plotsquared.bukkit;
 
+import com.plotsquared.bukkit.chat.Reflection;
 import com.plotsquared.bukkit.generator.BukkitHybridUtils;
 import com.plotsquared.bukkit.generator.BukkitPlotGenerator;
 import com.plotsquared.bukkit.listener.BlockEventListener;
@@ -32,6 +33,7 @@ import com.plotsquared.bukkit.listener.ChunkListener;
 import com.plotsquared.bukkit.listener.EntityEventListener;
 import com.plotsquared.bukkit.listener.EntitySpawnListener;
 import com.plotsquared.bukkit.listener.PaperListener;
+import com.plotsquared.bukkit.listener.PaperListener113;
 import com.plotsquared.bukkit.listener.PlayerEventListener;
 import com.plotsquared.bukkit.listener.ProjectileEventListener;
 import com.plotsquared.bukkit.listener.ServerListener;
@@ -904,7 +906,11 @@ public final class BukkitMain extends JavaPlugin implements Listener, IPlotMain<
         getServer().getPluginManager().registerEvents(new ProjectileEventListener(), this);
         getServer().getPluginManager().registerEvents(new EntitySpawnListener(), this);
         if (PaperLib.isPaper() && Settings.Paper_Components.PAPER_LISTENERS) {
-            getServer().getPluginManager().registerEvents(new PaperListener(), this);
+            if (Reflection.getVersion().startsWith("v1_13")) {
+                getServer().getPluginManager().registerEvents(new PaperListener113(), this);
+            } else {
+                getServer().getPluginManager().registerEvents(new PaperListener(), this);
+            }
         }
         PlotListener.startRunnable();
     }
diff --git a/Bukkit/src/main/java/com/plotsquared/bukkit/listener/PaperListener113.java b/Bukkit/src/main/java/com/plotsquared/bukkit/listener/PaperListener113.java
new file mode 100644
index 000000000..d098182bf
--- /dev/null
+++ b/Bukkit/src/main/java/com/plotsquared/bukkit/listener/PaperListener113.java
@@ -0,0 +1,58 @@
+package com.plotsquared.bukkit.listener;
+
+import com.plotsquared.bukkit.util.BukkitUtil;
+import com.plotsquared.core.configuration.Captions;
+import com.plotsquared.core.configuration.Settings;
+import com.plotsquared.core.location.Location;
+import com.plotsquared.core.player.PlotPlayer;
+import com.plotsquared.core.plot.PlotArea;
+import org.bukkit.block.Banner;
+import org.bukkit.block.Beacon;
+import org.bukkit.block.Bed;
+import org.bukkit.block.BlockState;
+import org.bukkit.block.CommandBlock;
+import org.bukkit.block.Comparator;
+import org.bukkit.block.Conduit;
+import org.bukkit.block.Container;
+import org.bukkit.block.CreatureSpawner;
+import org.bukkit.block.DaylightDetector;
+import org.bukkit.block.EnchantingTable;
+import org.bukkit.block.EndGateway;
+import org.bukkit.block.EnderChest;
+import org.bukkit.block.Jukebox;
+import org.bukkit.block.Sign;
+import org.bukkit.block.Skull;
+import org.bukkit.block.Structure;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.block.BlockPlaceEvent;
+
+public class PaperListener113 extends PaperListener {
+
+    @EventHandler
+    public void onBlockPlace(BlockPlaceEvent event) {
+        if (!Settings.Paper_Components.TILE_ENTITY_CHECK || !Settings.Enabled_Components.CHUNK_PROCESSOR) {
+            return;
+        }
+        BlockState state = event.getBlock().getState(false);
+        if (!(state instanceof Banner || state instanceof Beacon || state instanceof Bed
+                || state instanceof CommandBlock || state instanceof Comparator || state instanceof Conduit
+                || state instanceof Container || state instanceof CreatureSpawner || state instanceof DaylightDetector
+                || state instanceof EnchantingTable || state instanceof EnderChest || state instanceof EndGateway
+                || state instanceof Jukebox || state instanceof Sign || state instanceof Skull
+                || state instanceof Structure)) {
+            return;
+        }
+        final Location location = BukkitUtil.getLocation(event.getBlock().getLocation());
+        final PlotArea plotArea = location.getPlotArea();
+        if (plotArea == null) {
+            return;
+        }
+        final int tileEntityCount = event.getBlock().getChunk().getTileEntities(false).length;
+        if (tileEntityCount >= Settings.Chunk_Processor.MAX_TILES) {
+            final PlotPlayer<?> plotPlayer = BukkitUtil.getPlayer(event.getPlayer());
+            Captions.TILE_ENTITY_CAP_REACHED.send(plotPlayer, Settings.Chunk_Processor.MAX_TILES);
+            event.setCancelled(true);
+            event.setBuild(false);
+        }
+    }
+}