added api for conditional stats

src/main/java/net/Indyuce/mmoitems/api/player/RPGPlayer.java

@@ -1,18 +1,15 @@
 package net.Indyuce.mmoitems.api.player;
 
 import java.text.DecimalFormat;
-import java.util.regex.Pattern;
 
 import org.bukkit.ChatColor;
-import org.bukkit.Sound;
 import org.bukkit.entity.Player;
 
-import com.google.gson.JsonParser;
-
 import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.api.Message;
 import net.Indyuce.mmoitems.api.item.NBTItem;
 import net.Indyuce.mmoitems.stat.data.AbilityData;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 
 public abstract class RPGPlayer {
 	private final PlayerData playerData;
@@ -56,60 +53,11 @@ public abstract class RPGPlayer {
 		setStamina(getStamina() + value);
 	}
 
-	public boolean canUse(NBTItem item, boolean msg) {
+	public boolean canUse(NBTItem item, boolean message) {
 
-		// item permission
+		for (Conditional condition : MMOItems.plugin.getStats().getConditionals())
-		String perm = item.getString("MMOITEMS_PERMISSION");
+			if (!condition.canUse(this, item, message))
-		if (!perm.equals("") && !player.hasPermission("mmoitems.bypass.item") && MMOItems.plugin.getConfig().getBoolean("permissions.items")) {
+				return false;
-			String[] split = perm.split("\\|");
-			for (String s : split)
-				if (!player.hasPermission(s)) {
-					if (msg) {
-						Message.NOT_ENOUGH_PERMS.format(ChatColor.RED).send(player, "cant-use-item");
-						player.playSound(player.getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
-					}
-					return false;
-				}
-		}
-
-		if (item.hasTag("MMOITEMS_SOULBOUND") && !item.getString("MMOITEMS_SOULBOUND").contains(player.getUniqueId().toString())) {
-			if (msg) {
-				int level = new JsonParser().parse(item.getString("MMOITEMS_SOULBOUND")).getAsJsonObject().get("Level").getAsInt();
-				Message.SOULBOUND_RESTRICTION.format(ChatColor.RED).send(player, "cant-use-item");
-				player.playSound(player.getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
-				player.damage(MMOItems.plugin.getLanguage().soulboundBaseDamage + level * MMOItems.plugin.getLanguage().soulboundPerLvlDamage);
-			}
-			return false;
-		}
-
-		// durability
-		if (item.hasTag("MMOITEMS_DURABILITY") && item.getDouble("MMOITEMS_DURABILITY") < 1) {
-			if (msg) {
-				Message.ZERO_DURABILITY.format(ChatColor.RED).send(player, "cant-use-item");
-				player.playSound(player.getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
-			}
-			return false;
-		}
-
-		// required class
-		String requiredClass = item.getString("MMOITEMS_REQUIRED_CLASS");
-		if (!requiredClass.equals("") && !hasRightClass(requiredClass) && !player.hasPermission("mmoitems.bypass.class")) {
-			if (msg) {
-				Message.WRONG_CLASS.format(ChatColor.RED).send(player, "cant-use-item");
-				player.playSound(player.getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
-			}
-			return false;
-		}
-
-		// required level
-		int level = item.getInteger("MMOITEMS_REQUIRED_LEVEL");
-		if (getLevel() < level && !player.hasPermission("mmoitems.bypass.level")) {
-			if (msg) {
-				Message.NOT_ENOUGH_LEVELS.format(ChatColor.RED).send(player, "cant-use-item");
-				player.playSound(player.getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
-			}
-			return false;
-		}
 
 		return true;
 	}
@@ -146,13 +94,4 @@ public abstract class RPGPlayer {
 		return true;
 	}
 
-	private boolean hasRightClass(String requiredClass) {
-		String name = ChatColor.stripColor(getClassName());
-
-		for (String found : requiredClass.split(Pattern.quote(", ")))
-			if (found.equalsIgnoreCase(name))
-				return true;
-
-		return false;
-	}
 }

src/main/java/net/Indyuce/mmoitems/manager/StatManager.java

@@ -12,6 +12,7 @@ import java.util.logging.Level;
 import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.api.Type;
 import net.Indyuce.mmoitems.stat.type.AttributeStat;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 import net.Indyuce.mmoitems.stat.type.DoubleStat;
 import net.Indyuce.mmoitems.stat.type.ItemStat;
 
@@ -19,6 +20,7 @@ public class StatManager {
 	private final Map<String, ItemStat> stats = new LinkedHashMap<>();
 	private final Set<DoubleStat> gem = new HashSet<>();
 	private final Set<AttributeStat> attribute = new HashSet<>();
+	private final Set<Conditional> conditionals = new HashSet<>();
 
 	/*
 	 * load default stats using java reflection, get all public static final
@@ -48,6 +50,10 @@ public class StatManager {
 	public Set<DoubleStat> getDoubleStats() {
 		return gem;
 	}
+	
+	public Set<Conditional> getConditionals() {
+		return conditionals;
+	}
 
 	/*
 	 * the extra checks in that method to register stats even after the plugin
@@ -66,6 +72,9 @@ public class StatManager {
 		if (stat instanceof AttributeStat)
 			attribute.add((AttributeStat) stat);
 
+		if (stat instanceof Conditional)
+			conditionals.add((Conditional) stat);
+
 		/*
 		 * cache stat for every type which may have this stat. really important
 		 * otherwise the stat will NOT be used anywhere in the plugin.

src/main/java/net/Indyuce/mmoitems/stat/Max_Custom_Durability.java

@@ -2,17 +2,23 @@ package net.Indyuce.mmoitems.stat;
 
 import java.util.logging.Level;
 
+import org.bukkit.ChatColor;
 import org.bukkit.Material;
+import org.bukkit.Sound;
 import org.bukkit.inventory.ItemStack;
 
+import net.Indyuce.mmoitems.api.Message;
 import net.Indyuce.mmoitems.api.interaction.util.DurabilityItem;
 import net.Indyuce.mmoitems.api.interaction.util.DurabilityState;
+import net.Indyuce.mmoitems.api.item.NBTItem;
 import net.Indyuce.mmoitems.api.item.build.MMOItemBuilder;
+import net.Indyuce.mmoitems.api.player.RPGPlayer;
 import net.Indyuce.mmoitems.stat.data.StatData;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 import net.Indyuce.mmoitems.stat.type.DoubleStat;
 import net.Indyuce.mmoitems.version.nms.ItemTag;
 
-public class Max_Custom_Durability extends DoubleStat {
+public class Max_Custom_Durability extends DoubleStat implements Conditional {
 	public Max_Custom_Durability() {
 		super(new ItemStack(Material.SHEARS), "Max Custom Durability", new String[] { "The amount of uses before your", "item becomes unusable/breaks." }, "max-durability", new String[] { "all" });
 	}
@@ -33,4 +39,16 @@ public class Max_Custom_Durability extends DoubleStat {
 		}
 		return true;
 	}
+
+	@Override
+	public boolean canUse(RPGPlayer player, NBTItem item, boolean message) {
+		if (item.hasTag("MMOITEMS_DURABILITY") && item.getDouble("MMOITEMS_DURABILITY") < 1) {
+			if (message) {
+				Message.ZERO_DURABILITY.format(ChatColor.RED).send(player.getPlayer(), "cant-use-item");
+				player.getPlayer().playSound(player.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
+			}
+			return false;
+		}
+		return true;
+	}
 }

src/main/java/net/Indyuce/mmoitems/stat/Permission.java

@@ -5,6 +5,7 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.bukkit.ChatColor;
+import org.bukkit.Sound;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.event.inventory.InventoryAction;
@@ -13,19 +14,22 @@ import org.bukkit.inventory.ItemStack;
 
 import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.api.ConfigFile;
+import net.Indyuce.mmoitems.api.Message;
 import net.Indyuce.mmoitems.api.edition.StatEdition;
 import net.Indyuce.mmoitems.api.item.MMOItem;
 import net.Indyuce.mmoitems.api.item.NBTItem;
 import net.Indyuce.mmoitems.api.item.build.MMOItemBuilder;
+import net.Indyuce.mmoitems.api.player.RPGPlayer;
 import net.Indyuce.mmoitems.api.util.AltChar;
 import net.Indyuce.mmoitems.gui.edition.EditionInventory;
 import net.Indyuce.mmoitems.stat.data.StatData;
 import net.Indyuce.mmoitems.stat.data.StringListData;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 import net.Indyuce.mmoitems.stat.type.ItemStat;
 import net.Indyuce.mmoitems.version.VersionMaterial;
 import net.Indyuce.mmoitems.version.nms.ItemTag;
 
-public class Permission extends ItemStat {
+public class Permission extends ItemStat implements Conditional {
 	public Permission() {
 		super(new ItemStack(VersionMaterial.OAK_SIGN.toMaterial()), "Permission", new String[] { "The permission needed to use this item." }, "permission", new String[] { "all" });
 	}
@@ -93,10 +97,27 @@ public class Permission extends ItemStat {
 		item.addItemTag(new ItemTag("MMOITEMS_PERMISSION", String.join("|", ((StringListData) data).getList())));
 		return true;
 	}
-	
+
 	@Override
 	public void whenLoaded(MMOItem mmoitem, NBTItem item) {
 		if (item.hasTag(getNBTPath()))
 			mmoitem.setData(this, new StringListData(Arrays.asList(item.getString(getNBTPath()).split("\\|"))));
 	}
+
+	@Override
+	public boolean canUse(RPGPlayer player, NBTItem item, boolean message) {
+		String perm = item.getString("MMOITEMS_PERMISSION");
+		if (!perm.equals("") && !player.getPlayer().hasPermission("mmoitems.bypass.item") && MMOItems.plugin.getConfig().getBoolean("permissions.items")) {
+			String[] split = perm.split("\\|");
+			for (String s : split)
+				if (!player.getPlayer().hasPermission(s)) {
+					if (message) {
+						Message.NOT_ENOUGH_PERMS.format(ChatColor.RED).send(player.getPlayer(), "cant-use-item");
+						player.getPlayer().playSound(player.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
+					}
+					return false;
+				}
+		}
+		return true;
+	}
 }

src/main/java/net/Indyuce/mmoitems/stat/Required_Class.java

@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.regex.Pattern;
 
 import org.bukkit.ChatColor;
+import org.bukkit.Sound;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.event.inventory.InventoryAction;
@@ -13,20 +14,23 @@ import org.bukkit.inventory.ItemStack;
 
 import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.api.ConfigFile;
+import net.Indyuce.mmoitems.api.Message;
 import net.Indyuce.mmoitems.api.edition.StatEdition;
 import net.Indyuce.mmoitems.api.item.MMOItem;
 import net.Indyuce.mmoitems.api.item.NBTItem;
 import net.Indyuce.mmoitems.api.item.build.MMOItemBuilder;
+import net.Indyuce.mmoitems.api.player.RPGPlayer;
 import net.Indyuce.mmoitems.api.util.AltChar;
 import net.Indyuce.mmoitems.gui.edition.EditionInventory;
 import net.Indyuce.mmoitems.stat.data.StatData;
 import net.Indyuce.mmoitems.stat.data.StringListData;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 import net.Indyuce.mmoitems.stat.type.ItemStat;
 import net.Indyuce.mmoitems.stat.type.StringStat;
 import net.Indyuce.mmoitems.version.VersionMaterial;
 import net.Indyuce.mmoitems.version.nms.ItemTag;
 
-public class Required_Class extends StringStat {
+public class Required_Class extends StringStat implements Conditional {
 	public Required_Class() {
 		super(new ItemStack(VersionMaterial.WRITABLE_BOOK.toMaterial()), "Required Class", new String[] { "The class you need to", "profress to use your item." }, "required-class", new String[] { "all" });
 	}
@@ -98,4 +102,27 @@ public class Required_Class extends StringStat {
 		item.addItemTag(new ItemTag("MMOITEMS_REQUIRED_CLASS", joined));
 		return true;
 	}
+
+	@Override
+	public boolean canUse(RPGPlayer player, NBTItem item, boolean message) {
+		String requiredClass = item.getString("MMOITEMS_REQUIRED_CLASS");
+		if (!requiredClass.equals("") && !hasRightClass(player, requiredClass) && !player.getPlayer().hasPermission("mmoitems.bypass.class")) {
+			if (message) {
+				Message.WRONG_CLASS.format(ChatColor.RED).send(player.getPlayer(), "cant-use-item");
+				player.getPlayer().playSound(player.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
+			}
+			return false;
+		}
+		return true;
+	}
+
+	private boolean hasRightClass(RPGPlayer player, String requiredClass) {
+		String name = ChatColor.stripColor(player.getClassName());
+
+		for (String found : requiredClass.split(Pattern.quote(", ")))
+			if (found.equalsIgnoreCase(name))
+				return true;
+
+		return false;
+	}
 }

src/main/java/net/Indyuce/mmoitems/stat/Required_Level.java

@@ -1,14 +1,20 @@
 package net.Indyuce.mmoitems.stat;
 
+import org.bukkit.ChatColor;
+import org.bukkit.Sound;
 import org.bukkit.inventory.ItemStack;
 
+import net.Indyuce.mmoitems.api.Message;
+import net.Indyuce.mmoitems.api.item.NBTItem;
 import net.Indyuce.mmoitems.api.item.build.MMOItemBuilder;
+import net.Indyuce.mmoitems.api.player.RPGPlayer;
 import net.Indyuce.mmoitems.stat.data.StatData;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 import net.Indyuce.mmoitems.stat.type.DoubleStat;
 import net.Indyuce.mmoitems.version.VersionMaterial;
 import net.Indyuce.mmoitems.version.nms.ItemTag;
 
-public class Required_Level extends DoubleStat {
+public class Required_Level extends DoubleStat implements Conditional {
 	public Required_Level() {
 		super(new ItemStack(VersionMaterial.EXPERIENCE_BOTTLE.toMaterial()), "Required Level", new String[] { "The level your item needs", "in order to be used." }, "required-level", new String[] { "all" });
 	}
@@ -21,4 +27,17 @@ public class Required_Level extends DoubleStat {
 		item.getLore().insert("required-level", format(lvl, "#", "" + lvl));
 		return true;
 	}
+
+	@Override
+	public boolean canUse(RPGPlayer player, NBTItem item, boolean message) {
+		int level = item.getInteger("MMOITEMS_REQUIRED_LEVEL");
+		if (player.getLevel() < level && !player.getPlayer().hasPermission("mmoitems.bypass.level")) {
+			if (message) {
+				Message.NOT_ENOUGH_LEVELS.format(ChatColor.RED).send(player.getPlayer(), "cant-use-item");
+				player.getPlayer().playSound(player.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
+			}
+			return false;
+		}
+		return true;
+	}
 }

src/main/java/net/Indyuce/mmoitems/stat/Soulbound.java

@@ -3,24 +3,29 @@ package net.Indyuce.mmoitems.stat;
 import java.util.UUID;
 import java.util.regex.Pattern;
 
+import org.bukkit.ChatColor;
+import org.bukkit.Sound;
 import org.bukkit.inventory.ItemStack;
 
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.google.gson.JsonSyntaxException;
 
+import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.MMOUtils;
 import net.Indyuce.mmoitems.api.Message;
 import net.Indyuce.mmoitems.api.item.MMOItem;
 import net.Indyuce.mmoitems.api.item.NBTItem;
 import net.Indyuce.mmoitems.api.item.build.MMOItemBuilder;
+import net.Indyuce.mmoitems.api.player.RPGPlayer;
 import net.Indyuce.mmoitems.stat.data.StatData;
+import net.Indyuce.mmoitems.stat.type.Conditional;
 import net.Indyuce.mmoitems.stat.type.InternalStat;
 import net.Indyuce.mmoitems.stat.type.ItemStat;
 import net.Indyuce.mmoitems.version.VersionMaterial;
 import net.Indyuce.mmoitems.version.nms.ItemTag;
 
-public class Soulbound extends InternalStat {
+public class Soulbound extends InternalStat implements Conditional {
 	public Soulbound() {
 		super(new ItemStack(VersionMaterial.ENDER_EYE.toMaterial()), "Soulbound", new String[0], "soulbound", new String[] { "all" });
 	}
@@ -86,4 +91,18 @@ public class Soulbound extends InternalStat {
 			return object;
 		}
 	}
+
+	@Override
+	public boolean canUse(RPGPlayer player, NBTItem item, boolean message) {
+		if (item.hasTag("MMOITEMS_SOULBOUND") && !item.getString("MMOITEMS_SOULBOUND").contains(player.getPlayer().getUniqueId().toString())) {
+			if (message) {
+				int level = new JsonParser().parse(item.getString("MMOITEMS_SOULBOUND")).getAsJsonObject().get("Level").getAsInt();
+				Message.SOULBOUND_RESTRICTION.format(ChatColor.RED).send(player.getPlayer(), "cant-use-item");
+				player.getPlayer().playSound(player.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1.5f);
+				player.getPlayer().damage(MMOItems.plugin.getLanguage().soulboundBaseDamage + level * MMOItems.plugin.getLanguage().soulboundPerLvlDamage);
+			}
+			return false;
+		}
+		return true;
+	}
 }

src/main/java/net/Indyuce/mmoitems/stat/type/Conditional.java

@@ -0,0 +1,8 @@
+package net.Indyuce.mmoitems.stat.type;
+
+import net.Indyuce.mmoitems.api.item.NBTItem;
+import net.Indyuce.mmoitems.api.player.RPGPlayer;
+
+public interface Conditional {
+	public boolean canUse(RPGPlayer player, NBTItem item, boolean message);
+}