new scripting items

src/main/java/net/Indyuce/mmocore/MMOCore.java

@@ -48,6 +48,10 @@ import net.Indyuce.mmocore.party.PartyModule;
 import net.Indyuce.mmocore.party.PartyModuleType;
 import net.Indyuce.mmocore.party.provided.MMOCorePartyModule;
 import net.Indyuce.mmocore.skill.cast.SkillCastingMode;
+import net.Indyuce.mmocore.skill.custom.mechanic.ExperienceMechanic;
+import net.Indyuce.mmocore.skill.custom.mechanic.ManaMechanic;
+import net.Indyuce.mmocore.skill.custom.mechanic.StaminaMechanic;
+import net.Indyuce.mmocore.skill.custom.mechanic.StelliumMechanic;
 import org.apache.commons.lang.Validate;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
@@ -117,6 +121,12 @@ public class MMOCore extends LuminePlugin {
 		MythicLib.plugin.getEntities().registerRestriction(new MMOCoreTargetRestriction());
 		MythicLib.plugin.getModifiers().registerModifierType("attribute", configObject -> new AttributeModifier(configObject));
 
+		// Skill creation
+		MythicLib.plugin.getSkills().registerMechanic("mana", config -> new ManaMechanic(config));
+		MythicLib.plugin.getSkills().registerMechanic("stamina", config -> new StaminaMechanic(config));
+		MythicLib.plugin.getSkills().registerMechanic("stellium", config -> new StelliumMechanic(config));
+		MythicLib.plugin.getSkills().registerMechanic("experience", config -> new ExperienceMechanic(config));
+
         // Register extra objective, drop items...
         if (Bukkit.getPluginManager().getPlugin("WorldGuard") != null)
             loadManager.registerLoader(new WorldGuardMMOLoader());

src/main/java/net/Indyuce/mmocore/skill/custom/mechanic/ExperienceMechanic.java

@@ -0,0 +1,46 @@
+package net.Indyuce.mmocore.skill.custom.mechanic;
+
+import io.lumine.mythic.lib.skill.SkillMetadata;
+import io.lumine.mythic.lib.skill.custom.mechanic.type.TargetMechanic;
+import io.lumine.mythic.lib.util.DoubleFormula;
+import io.lumine.mythic.lib.util.configobject.ConfigObject;
+import net.Indyuce.mmocore.MMOCore;
+import net.Indyuce.mmocore.api.player.PlayerData;
+import net.Indyuce.mmocore.experience.EXPSource;
+import net.Indyuce.mmocore.experience.SimpleExperienceObject;
+import net.Indyuce.mmocore.experience.dispenser.ExperienceDispenser;
+import org.apache.commons.lang.Validate;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class ExperienceMechanic extends TargetMechanic {
+    @NotNull
+    private final DoubleFormula amount;
+    @NotNull
+    private final EXPSource source;
+    @NotNull
+    private final ExperienceDispenser dispenser;
+
+    public ExperienceMechanic(ConfigObject config) {
+        super(config);
+
+        config.validateKeys("amount");
+        amount = config.getDoubleFormula("amount");
+
+        if (config.contains("profession")) {
+            String id = config.getString("profession").toLowerCase().replace("_", "-");
+            Validate.isTrue(MMOCore.plugin.professionManager.has(id), "Could not find profession");
+            dispenser = MMOCore.plugin.professionManager.get(id);
+        } else
+            dispenser = new SimpleExperienceObject();
+        source = config.contains("source") ? EXPSource.valueOf(config.getString("source").toUpperCase()) : EXPSource.QUEST;
+    }
+
+    @Override
+    public void cast(SkillMetadata meta, Entity target) {
+        Validate.isTrue(target instanceof Player, "Target is not a player");
+        PlayerData targetData = PlayerData.get(target.getUniqueId());
+        dispenser.giveExperience(targetData, amount.evaluate(meta), null, source);
+    }
+}

src/main/java/net/Indyuce/mmocore/skill/custom/mechanic/ManaMechanic.java

@@ -13,6 +13,7 @@ import org.bukkit.entity.Player;
 
 public class ManaMechanic extends TargetMechanic {
     private final DoubleFormula amount;
+    private final Operation operation;
     private final PlayerResourceUpdateEvent.UpdateReason reason;
 
     public ManaMechanic(ConfigObject config) {
@@ -22,12 +23,18 @@ public class ManaMechanic extends TargetMechanic {
 
         amount = new DoubleFormula(config.getString("amount"));
         reason = PlayerResourceUpdateEvent.UpdateReason.valueOf(UtilityMethods.enumName(config.getString("reason", "CUSTOM")));
+        operation = config.contains("operation") ? Operation.valueOf(config.getString("operation").toUpperCase()) : Operation.GIVE;
     }
 
     @Override
     public void cast(SkillMetadata meta, Entity target) {
         Validate.isTrue(target instanceof Player, "Target is not a player");
         PlayerData targetData = PlayerData.get(target.getUniqueId());
-        targetData.giveMana(amount.evaluate(meta), reason);
+        if (operation == Operation.GIVE)
+            targetData.giveMana(amount.evaluate(meta), reason);
+        else if (operation == Operation.SET)
+            targetData.setMana(amount.evaluate(meta));
+        else if (operation == Operation.TAKE)
+            targetData.giveMana(-amount.evaluate(meta), reason);
     }
 }

src/main/java/net/Indyuce/mmocore/skill/custom/mechanic/Operation.java

@@ -0,0 +1,7 @@
+package net.Indyuce.mmocore.skill.custom.mechanic;
+
+public enum Operation {
+    GIVE,
+    SET,
+    TAKE
+}

src/main/java/net/Indyuce/mmocore/skill/custom/mechanic/StaminaMechanic.java

@@ -13,6 +13,7 @@ import org.bukkit.entity.Player;
 
 public class StaminaMechanic extends TargetMechanic {
     private final DoubleFormula amount;
+    private final Operation operation;
     private final PlayerResourceUpdateEvent.UpdateReason reason;
 
     public StaminaMechanic(ConfigObject config) {
@@ -22,12 +23,18 @@ public class StaminaMechanic extends TargetMechanic {
 
         amount = new DoubleFormula(config.getString("amount"));
         reason = PlayerResourceUpdateEvent.UpdateReason.valueOf(UtilityMethods.enumName(config.getString("reason", "CUSTOM")));
+        operation = config.contains("operation") ? Operation.valueOf(config.getString("operation").toUpperCase()) : Operation.GIVE;
     }
 
     @Override
     public void cast(SkillMetadata meta, Entity target) {
         Validate.isTrue(target instanceof Player, "Target is not a player");
         PlayerData targetData = PlayerData.get(target.getUniqueId());
-        targetData.giveStamina(amount.evaluate(meta), reason);
+        if (operation == Operation.GIVE)
+            targetData.giveStamina(amount.evaluate(meta), reason);
+        else if (operation == Operation.SET)
+            targetData.setStamina(amount.evaluate(meta));
+        else if (operation == Operation.TAKE)
+            targetData.giveStamina(-amount.evaluate(meta), reason);
     }
 }

src/main/java/net/Indyuce/mmocore/skill/custom/mechanic/StelliumMechanic.java

@@ -13,6 +13,7 @@ import org.bukkit.entity.Player;
 
 public class StelliumMechanic extends TargetMechanic {
     private final DoubleFormula amount;
+    private final Operation operation;
     private final PlayerResourceUpdateEvent.UpdateReason reason;
 
     public StelliumMechanic(ConfigObject config) {
@@ -22,12 +23,18 @@ public class StelliumMechanic extends TargetMechanic {
 
         amount = new DoubleFormula(config.getString("amount"));
         reason = PlayerResourceUpdateEvent.UpdateReason.valueOf(UtilityMethods.enumName(config.getString("reason", "CUSTOM")));
+        operation = config.contains("operation") ? Operation.valueOf(config.getString("operation").toUpperCase()) : Operation.GIVE;
     }
 
     @Override
     public void cast(SkillMetadata meta, Entity target) {
         Validate.isTrue(target instanceof Player, "Target is not a player");
         PlayerData targetData = PlayerData.get(target.getUniqueId());
-        targetData.giveStellium(amount.evaluate(meta), reason);
+        if (operation == Operation.GIVE)
+            targetData.giveStellium(amount.evaluate(meta), reason);
+        else if (operation == Operation.SET)
+            targetData.setStellium(amount.evaluate(meta));
+        else if (operation == Operation.TAKE)
+            targetData.giveStellium(-amount.evaluate(meta), reason);
     }
 }