Added BlockUtils#isPlayerPlaced

eco-api/src/main/java/com/willfp/eco/util/BlockUtils.java

@@ -2,12 +2,14 @@ package com.willfp.eco.util;
 
 import lombok.experimental.UtilityClass;
 import org.apache.commons.lang.Validate;
+import org.bukkit.Chunk;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.entity.Player;
+import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
@@ -92,6 +94,21 @@ public class BlockUtils {
         blockBreakConsumer.accept(player, block);
     }
 
+    /**
+     * Get if a block was placed by a player.
+     *
+     * @param block The block.
+     * @return If placed by a player.
+     */
+    public boolean isPlayerPlaced(@NotNull final Block block) {
+        Chunk chunk = block.getChunk();
+
+        return chunk.getPersistentDataContainer().has(
+                NamespacedKeyUtils.createEcoKey(Integer.toString(block.getLocation().hashCode(), 16)),
+                PersistentDataType.INTEGER
+        );
+    }
+
     /**
      * Initialize the block break function.
      *

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/EcoSpigotPlugin.kt

@@ -24,6 +24,7 @@ import com.willfp.eco.proxy.SkullProxy
 import com.willfp.eco.spigot.arrows.ArrowDataListener
 import com.willfp.eco.spigot.data.DataListener
 import com.willfp.eco.spigot.data.EcoPlayerProfileHandler
+import com.willfp.eco.spigot.data.PlayerBlockListener
 import com.willfp.eco.spigot.data.storage.DataHandler
 import com.willfp.eco.spigot.data.storage.MySQLDataHandler
 import com.willfp.eco.spigot.data.storage.YamlDataHandler
@@ -223,7 +224,8 @@ abstract class EcoSpigotPlugin : EcoPlugin(
             GUIListener(this),
             ArrowDataListener(this),
             ArmorChangeEventListeners(this),
-            DataListener()
+            DataListener(),
+            PlayerBlockListener(this)
         )
     }
 }

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/spigot/data/PlayerBlockListener.kt

@@ -0,0 +1,53 @@
+package com.willfp.eco.spigot.data
+
+import com.willfp.eco.core.EcoPlugin
+import com.willfp.eco.util.NamespacedKeyUtils
+import org.bukkit.block.Block
+import org.bukkit.event.EventHandler
+import org.bukkit.event.EventPriority
+import org.bukkit.event.Listener
+import org.bukkit.event.block.BlockBreakEvent
+import org.bukkit.event.block.BlockMultiPlaceEvent
+import org.bukkit.event.block.BlockPlaceEvent
+import org.bukkit.persistence.PersistentDataType
+
+class PlayerBlockListener(
+    private val plugin: EcoPlugin
+) : Listener {
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    fun onPlace(event: BlockPlaceEvent) {
+        val block = event.blockPlaced
+
+        writeKey(block)
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    fun onPlace(event: BlockMultiPlaceEvent) {
+        val block = event.blockPlaced
+
+        writeKey(block)
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    fun onBreak(event: BlockBreakEvent) {
+        val block = event.block
+
+        this.plugin.scheduler.run {
+            removeKey(block)
+        }
+    }
+
+    private fun writeKey(block: Block) {
+        val loc = block.location.hashCode().toString(16)
+        block.chunk.persistentDataContainer.set(
+            plugin.namespacedKeyFactory.create(loc.lowercase()),
+            PersistentDataType.INTEGER,
+            1
+        )
+    }
+
+    private fun removeKey(block: Block) {
+        val loc = block.location.hashCode().toString(16)
+        block.chunk.persistentDataContainer.remove(plugin.namespacedKeyFactory.create(loc.lowercase()))
+    }
+}