added condition comp for all drop tables

added level condition:
- 'level{profession=PROFESSION_NAME_HERE;amount=LEVEL_HERE}'

for main level:
- 'level{amount=LEVEL_HERE}'

src/main/java/net/Indyuce/mmocore/api/droptable/DropTable.java

@@ -5,6 +5,8 @@ import java.util.List;
 import java.util.Set;
 import java.util.logging.Level;
 
+import net.Indyuce.mmocore.api.droptable.condition.Condition;
+import net.Indyuce.mmocore.api.droptable.condition.ConditionInstance;
 import org.apache.commons.lang.Validate;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.inventory.ItemStack;
@@ -18,6 +20,7 @@ import net.mmogroup.mmolib.api.MMOLineConfig;
 public class DropTable extends PostLoadObject {
 	private final String id;
 	private final Set<DropItem> drops = new LinkedHashSet<>();
+	private final Set<Condition> conditions = new LinkedHashSet<>();
 
 	public DropTable(ConfigurationSection config) {
 		super(config);
@@ -37,16 +40,24 @@ public class DropTable extends PostLoadObject {
 	 */
 	@Override
 	protected void whenPostLoaded(ConfigurationSection config) {
-		List<String> list = config.getStringList("items");
-		Validate.notNull(list, "Could not find drop item list");
+		List<String> itemsList = config.getStringList("items");
+		List<String> conditionsList = config.getStringList("conditions");
+		Validate.notNull(itemsList, "Could not find drop item list");
 
-		for (String key : list)
+		for (String key : itemsList)
 			try {
 				drops.add(MMOCore.plugin.loadManager.loadDropItem(new MMOLineConfig(key)));
 			} catch (IllegalArgumentException exception) {
 				MMOCore.plugin.getLogger().log(Level.WARNING,
 						"Could not load drop item '" + key + "' from table '" + id + "': " + exception.getMessage());
 			}
+		for (String key : conditionsList)
+			try {
+				conditions.add(MMOCore.plugin.loadManager.loadCondition(new MMOLineConfig(key)));
+			} catch (IllegalArgumentException exception) {
+				MMOCore.plugin.getLogger().log(Level.WARNING,
+						"Could not load condition '" + key + "' from table '" + id + "': " + exception.getMessage());
+			}
 	}
 
 	public String getId() {
@@ -69,4 +80,17 @@ public class DropTable extends PostLoadObject {
 
 		return builder.getLoot();
 	}
+
+	public Set<Condition> getConditions() {
+		return conditions;
+	}
+
+	public boolean areConditionsMet(ConditionInstance entity) {
+		for (Condition condition : this.getConditions()) {
+			if (!condition.isMet(entity)) {
+				return false;
+			}
+		}
+		return true;
+	}
 }

src/main/java/net/Indyuce/mmocore/api/droptable/condition/LevelCondition.java

@@ -0,0 +1,30 @@
+package net.Indyuce.mmocore.api.droptable.condition;
+
+import net.mmogroup.mmolib.api.MMOLineConfig;
+import net.mmogroup.mmolib.api.player.MMOPlayerData;
+import org.bukkit.entity.Player;
+
+public class LevelCondition extends Condition {
+    private final int amount;
+
+    private final String profession;
+
+    public LevelCondition(MMOLineConfig config) {
+        super(config);
+
+        config.validate("amount");
+
+        amount = config.getInt("amount");
+        profession = config.contains("profession") ? config.getString("profession") : null;
+    }
+
+    @Override
+    public boolean isMet(ConditionInstance entity) {
+        if (entity.getEntity() instanceof Player) {
+            int level = (profession != null) ? MMOPlayerData.get((Player) entity.getEntity()).getMMOCore().getCollectionSkills().getLevel(profession)
+                    : MMOPlayerData.get((Player) entity.getEntity()).getMMOCore().getLevel();
+            return level >= amount;
+        }
+        return false;
+    }
+}

src/main/java/net/Indyuce/mmocore/api/droptable/dropitem/DropTableDropItem.java

@@ -1,5 +1,7 @@
 package net.Indyuce.mmocore.api.droptable.dropitem;
 
+import net.Indyuce.mmocore.api.droptable.condition.Condition;
+import net.Indyuce.mmocore.api.droptable.condition.ConditionInstance;
 import org.apache.commons.lang.Validate;
 
 import net.Indyuce.mmocore.MMOCore;
@@ -22,7 +24,8 @@ public class DropTableDropItem extends DropItem {
 
 	@Override
 	public void collect(LootBuilder builder) {
-		for (int j = 0; j < rollAmount(); j++)
-			builder.addLoot(dropTable.collect(builder));
+		if (dropTable.areConditionsMet(new ConditionInstance(builder.getEntity().getPlayer())))
+			for (int j = 0; j < rollAmount(); j++)
+				builder.addLoot(dropTable.collect(builder));
 	}
 }

src/main/java/net/Indyuce/mmocore/api/event/CustomBlockMineEvent.java

@@ -1,7 +1,9 @@
 package net.Indyuce.mmocore.api.event;
 
+import java.util.ArrayList;
 import java.util.List;
 
+import net.Indyuce.mmocore.api.droptable.condition.ConditionInstance;
 import org.bukkit.block.Block;
 import org.bukkit.event.Cancellable;
 import org.bukkit.event.HandlerList;
@@ -27,7 +29,8 @@ public class CustomBlockMineEvent extends PlayerDataEvent implements Cancellable
 
 		this.block = block;
 		this.info = info;
-		this.drops = info.collectDrops(new LootBuilder(player, 0));
+		this.drops = (info.getDropTable().areConditionsMet(new ConditionInstance(player.getPlayer())))
+			? info.collectDrops(new LootBuilder(player, 0)) : new ArrayList<>();
 		this.experience = info.hasExperience() ? info.getExperience().newInfo() : null;
 	}
 

src/main/java/net/Indyuce/mmocore/api/load/DefaultMMOLoader.java

@@ -1,5 +1,6 @@
 package net.Indyuce.mmocore.api.load;
 
+import net.Indyuce.mmocore.api.droptable.condition.LevelCondition;
 import org.bukkit.configuration.ConfigurationSection;
 
 import net.Indyuce.mmocore.api.block.BlockType;
@@ -113,6 +114,9 @@ public class DefaultMMOLoader extends MMOLoader {
 		if (config.getKey().equals("biome"))
 			return new BiomeCondition(config);
 
+		if (config.getKey().equals("level"))
+			return new LevelCondition(config);
+
 		return null;
 	}