init

2026-07-09 21:33:33 +02:00
commit 84a2a365f3
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+using System;
+using Sirenix.OdinInspector;
+using UnityEngine;
+using VOID.Generic.Objects.Unit.Events;
+
+namespace VOID.Generic.Objects.Unit
+{
+    /// <summary>
+    /// Manages everything related to level and experience for <see cref="UnitObject"/>
+    /// </summary>
+    [Serializable]
+    public class UnitObjectLevel : ObjectComponent<UnitObject>
+    {
+        #region Initialize
+
+        protected override void SelfInitialize()
+        {
+            _expNeeded = GetExpNeededForLevel(_level + 1);
+        }
+
+        #endregion
+
+        [Header("Constants:")]
+        [ShowInInspector, ReadOnly] public const int ExpNeededForFirstLevel = 100;
+        [ShowInInspector, ReadOnly] public const float ExpNeededMultiplierPerLevel = 1.25f;
+
+        [Header("Current:")]
+        [SerializeField, ReadOnly, MinValue(1)] private int _level = 1;
+        [ShowInInspector, ReadOnly] private int _exp;
+        [ShowInInspector, ReadOnly] private int _expNeeded;
+        public int level => _level;
+        public int exp => _exp;
+        public int expNeeded => _expNeeded;
+
+        [Button]
+        public void SetLevel(int value)
+        {
+            _level = Mathf.Max(1, value);
+            _exp = 0;
+            _expNeeded = GetExpNeededForLevel(_level + 1);
+        }
+
+        [Button]
+        [DisableInEditorMode]
+        public void AddLevel(int amount) => Add(levelToAdd: amount);
+        
+        [Button]
+        [DisableInEditorMode]
+        public void AddExperience(int amount) => Add(expToAdd: amount);
+        
+        [Button]
+        [DisableInEditorMode]
+        public void Add(int levelToAdd = 0, int expToAdd = 0)
+        {
+            if (levelToAdd <= 0 && expToAdd <= 0) return;
+
+            // Directly increasing level also resets current experience
+            if (levelToAdd > 0)
+            {
+                _level += levelToAdd; 
+                _exp = 0;
+            }
+            
+            _exp += expToAdd;
+            
+            // Convert EXP to LEVELS
+            while (_exp >= _expNeeded)
+            {
+                levelToAdd++;
+                _exp -= _expNeeded;
+                _expNeeded = GetExpNeededForLevel(_level + 1 + levelToAdd);
+            }
+
+            if (expToAdd > 0)
+                parent.unitEvents.onExpGain.Invoke(new ExpGainEvent { unit = parent, amount = expToAdd });
+            
+            if (levelToAdd > 0)
+                parent.unitEvents.onLevelGain.Invoke(new LevelGainEvent { unit = parent, amount = levelToAdd });
+        }
+        
+        private int GetExpNeededForLevel(int forLevel)
+        {
+            // Exp needed can be calculated only for level 2 and higher!
+            if (forLevel < 2) return 0;
+            
+            var expMultiplierForLevel = Mathf.Pow(ExpNeededMultiplierPerLevel, forLevel - 2);
+            var expNeededForLevel = Mathf.FloorToInt(ExpNeededForFirstLevel * expMultiplierForLevel); 
+            
+            return expNeededForLevel;
+        }
+    }
+}