Working on project

src/main/java/net/babamod/mineclass/listeners/MineClassListeners.java

@@ -11,18 +11,16 @@ import org.bukkit.entity.Player;
 import org.bukkit.entity.SmallFireball;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.event.block.BlockDropItemEvent;
 import org.bukkit.event.entity.EntityPickupItemEvent;
 import org.bukkit.event.entity.EntityShootBowEvent;
 import org.bukkit.event.entity.PlayerDeathEvent;
 import org.bukkit.event.inventory.InventoryAction;
 import org.bukkit.event.inventory.InventoryClickEvent;
-import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerItemConsumeEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerRespawnEvent;
 import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.PlayerInventory;
 
 import java.util.List;
 import java.util.stream.Collectors;
@@ -131,29 +129,18 @@ public class MineClassListeners implements Listener {
   }
 
   @EventHandler
-  public void on(BlockBreakEvent event) {
+  public void on(BlockDropItemEvent event) {
     Player player = event.getPlayer();
     if (AppliedStatus.getInstance().isFireDwarf(player.getName())) {
-      List<ItemStack> itemStacks =
-          event.getBlock().getDrops().stream()
-              .map(
-                  itemStack -> {
-                    ItemStack smelted = SmeltingEngine.smelt(itemStack);
-                    if (smelted != null) {
-                      return smelted;
-                    } else return itemStack;
-                  })
-              .collect(Collectors.toList());
-      if (!itemStacks.isEmpty()) {
-        event.setCancelled(true);
-        itemStacks.forEach(
-            itemStack ->
       event
-                    .getBlock()
+          .getItems()
-                    .getWorld()
+          .forEach(
-                    .dropItemNaturally(event.getBlock().getLocation(), itemStack));
+              item -> {
-        event.getBlock().setType(Material.AIR);
+                ItemStack smelted = SmeltingEngine.getInstance().smelt(player, event.getBlock().getLocation(), item.getItemStack());
+                if (smelted != null) {
+                  item.setItemStack(smelted);
                 }
+              });
     }
   }
 

src/main/java/net/babamod/mineclass/utils/AppliedStatus.java

@@ -30,39 +30,39 @@ public class AppliedStatus implements Serializable {
     return INSTANCE;
   }
 
-  public void setDwarf(String playerName, boolean dwarf) {
+  public synchronized void setDwarf(String playerName, boolean dwarf) {
     this.dwarf.put(playerName, dwarf);
   }
 
-  public void setElf(String playerName, boolean elf) {
+  public synchronized void setElf(String playerName, boolean elf) {
     this.elf.put(playerName, elf);
   }
 
-  public void setFireDwarf(String playerName, boolean fireDwarf) {
+  public synchronized void setFireDwarf(String playerName, boolean fireDwarf) {
     this.fireDwarf.put(playerName, fireDwarf);
   }
 
-  public void setNaga(String playerName, boolean naga) {
+  public synchronized void setNaga(String playerName, boolean naga) {
     this.naga.put(playerName, naga);
   }
 
-  public boolean isDwarf(String playerName) {
+  public synchronized boolean isDwarf(String playerName) {
     return dwarf.getOrDefault(playerName, false);
   }
 
-  public boolean isElf(String playerName) {
+  public synchronized boolean isElf(String playerName) {
     return elf.getOrDefault(playerName, false);
   }
 
-  public boolean isFireDwarf(String playerName) {
+  public synchronized boolean isFireDwarf(String playerName) {
     return fireDwarf.getOrDefault(playerName, false);
   }
 
-  public boolean isNaga(String playerName) {
+  public synchronized boolean isNaga(String playerName) {
     return naga.getOrDefault(playerName, false);
   }
 
-  public boolean hasAClass(String playerName) {
+  public synchronized boolean hasAClass(String playerName) {
     return dwarf.getOrDefault(playerName, false)
         || elf.getOrDefault(playerName, false)
         || fireDwarf.getOrDefault(playerName, false)

src/main/java/net/babamod/mineclass/utils/ClassItemPossessed.java

@@ -26,17 +26,17 @@ public class ClassItemPossessed {
     return INSTANCE;
   }
 
-  public void addItems(String playerName, List<ItemStack> itemStacks) {
+  public synchronized void addItems(String playerName, List<ItemStack> itemStacks) {
     List<ItemStack> itemStackList = itemsPossessed.getOrDefault(playerName, new ArrayList<>());
     itemStackList.addAll(itemStacks);
     itemsPossessed.put(playerName, itemStackList);
   }
 
-  public void clearItems(String playerName) {
+  public synchronized void clearItems(String playerName) {
     itemsPossessed.put(playerName, new ArrayList<>());
   }
 
-  public List<ItemStack> getItems(String playerName) {
+  public synchronized List<ItemStack> getItems(String playerName) {
     return itemsPossessed.get(playerName);
   }
 }

src/main/java/net/babamod/mineclass/utils/SmeltingEngine.java

@@ -1,15 +1,38 @@
 package net.babamod.mineclass.utils;
 
 import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.entity.ExperienceOrb;
+import org.bukkit.entity.Player;
 import org.bukkit.inventory.FurnaceRecipe;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.Recipe;
 
+import java.util.HashMap;
 import java.util.Iterator;
 
 public class SmeltingEngine {
+  /** Instance unique pré-initialisée */
+  private static SmeltingEngine INSTANCE;
 
-  public static ItemStack smelt(ItemStack itemStack) {
+  private final HashMap<String, HashMap<Material, Float>> expModifier;
+
+  /** Constructeur privé */
+  private SmeltingEngine() {
+    expModifier = new HashMap<>();
+  }
+
+  /** Point d'accès pour l'instance unique du singleton */
+  public static synchronized SmeltingEngine getInstance() {
+    if (INSTANCE == null) {
+      INSTANCE = new SmeltingEngine();
+    }
+
+    return INSTANCE;
+  }
+
+  public synchronized ItemStack smelt(Player player, Location location, ItemStack itemStack) {
     ItemStack result = null;
     Iterator<Recipe> iter = Bukkit.recipeIterator();
     while (iter.hasNext()) {
@@ -17,6 +40,21 @@ public class SmeltingEngine {
       if (!(recipe instanceof FurnaceRecipe)) continue;
       if (((FurnaceRecipe) recipe).getInput().getType() != itemStack.getType()) continue;
       result = recipe.getResult();
+      expModifier.computeIfAbsent(player.getName(), k -> new HashMap<>());
+      expModifier.get(player.getName()).putIfAbsent(result.getType(), 0.0f);
+      expModifier
+          .get(player.getName())
+          .put(
+              result.getType(),
+              expModifier.get(player.getName()).get(result.getType())
+                  + ((FurnaceRecipe) recipe).getExperience());
+      if (expModifier.get(player.getName()).get(result.getType()) >= 1) {
+        int exp = expModifier.get(player.getName()).get(result.getType()).intValue();
+        player.getWorld().spawn(location, ExperienceOrb.class).setExperience(exp);
+        expModifier
+            .get(player.getName())
+            .put(result.getType(), expModifier.get(player.getName()).get(result.getType()) - exp);
+      }
       break;
     }
     return result;