Use BlockDropItemEvent (#5)

* Fixes

* Use BlockDropItemEvent

src/main/java/de/oliver/fancyperks/FancyPerks.java

@@ -116,7 +116,7 @@ public void onEnable() {
         pluginManager.registerEvents(new EntityDamageListener(), instance);
         pluginManager.registerEvents(new EntityDeathListener(), instance);
         pluginManager.registerEvents(new EntityTargetLivingEntityListener(), instance);
-        pluginManager.registerEvents(new BlockBreakListener(), instance);
+        pluginManager.registerEvents(new BlockDropItemListener(), instance);
         if(usingLuckPerms && config.isActivatePerkOnPermissionSet()){
             new LuckPermsListener();
         }

src/main/java/de/oliver/fancyperks/listeners/BlockDropItemListener.java

@@ -0,0 +1,58 @@
+package de.oliver.fancyperks.listeners;
+
+import de.oliver.fancyperks.FancyPerks;
+import de.oliver.fancyperks.PerkManager;
+import de.oliver.fancyperks.perks.Perk;
+import de.oliver.fancyperks.perks.PerkRegistry;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.entity.Item;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockDropItemEvent;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.*;
+
+public class BlockDropItemListener implements Listener {
+
+    private static final EnumMap<Material, Material> instantSmeltBlocks = new EnumMap<>(
+        Map.of(
+            Material.RAW_COPPER, Material.COPPER_INGOT,
+            Material.RAW_GOLD, Material.GOLD_INGOT,
+            Material.RAW_IRON, Material.IRON_INGOT
+        )
+    );
+
+    @EventHandler
+    public void onBlockDropItem(BlockDropItemEvent event) {
+        Player p = event.getPlayer();
+        if (p.getGameMode() == GameMode.SURVIVAL) {
+            Collection<Item> drops = event.getItems();
+
+            PerkManager perkManager = FancyPerks.getInstance().getPerkManager();
+            Set<Perk> perks = new HashSet<>(perkManager.getEnabledPerks(p));
+
+            boolean hasInstantSmelt = perks.contains(PerkRegistry.INSTANT_SMELT);
+            if (hasInstantSmelt) {
+                drops.forEach(drop -> {
+                    Material dropType = drop.getItemStack().getType();
+                    if (instantSmeltBlocks.containsKey(dropType)) {
+                        Material ingot = instantSmeltBlocks.get(dropType);
+                        drop.getItemStack().setType(ingot);
+                    }
+                });
+            }
+
+            boolean hasTelekinesis = perks.contains(PerkRegistry.TELEKINESIS);
+            if (hasTelekinesis) {
+                event.setCancelled(true);
+                HashMap<Integer, ItemStack> couldNotFit = new HashMap<>();
+                drops.forEach(drop -> couldNotFit.putAll(p.getInventory().addItem(drop.getItemStack())));
+                couldNotFit.values().forEach(item -> event.getBlock().getWorld().dropItemNaturally(event.getBlock().getLocation(), item));
+            }
+        }
+    }
+
+}