Fix attacks by player and enemy

src/system/IHasPrimaryAttack.cs.uid

@@ -0,0 +1 @@
+uid://dwis2q4bq3mhn

src/system/stats/BattleExtensions.cs

@@ -0,0 +1,16 @@
+using Godot;
+
+namespace GameJamDungeon
+{
+  public static class BattleExtensions
+  {
+    public static bool IsCriticalHit(double luckStat)
+    {
+      var rng = new RandomNumberGenerator();
+      rng.Randomize();
+      var roll = rng.Randf();
+      var isCriticalHit = roll <= luckStat;
+      return isCriticalHit;
+    }
+  }
+}

src/system/stats/DamageCalculator.cs

@@ -1,13 +0,0 @@
-using Godot;
-
-namespace GameJamDungeon
-{
-  public static class DamageCalculator
-  {
-    public static double CalculateWeaponAttackDamage(int totalAttack, WeaponStats weapon)
-    {
-      var totalDamage = totalAttack * weapon.ElementalDamageBonus;
-      return Mathf.Max(totalDamage, 0.0);
-    }
-  }
-}