Changed the Calculate() method for AttackStats.

- Now can take CharacterStats.
- Creates a new AttackStat instead of modifying this one.
- Throws exception if ran on an already calculated AttackStat.

MrBigsock/Assets/Code/Core/AttackStats.cs

@@ -81,9 +81,19 @@ namespace BigSock {
 		/*
 			Calculates the final attack stats.
 				(Takes crit and damage spread and calculates the final values)
+			Cannot calculate a calculated attack.
 		*/
-		public IAttackStats Calculate() {
-			IsCalculated = true;
+		public IAttackStats Calculate(ICharacterStats char = null) {
+			// Check that this attack hasn't been calculated already.
+			if(IsCalculated) throw new InvalidOperationException("This attack has already been calculated!");
+
+			// Creates return object.
+			AttackStats res;
+			if(char != null) res = (AttackStats) this.Apply(char);
+			else             res = Clone();
+
+			// Mark the calculated attack as calculated.
+			res.IsCalculated = true;
 
 			// Calculate damage variety.
 			var mod = (1-DamageVariance) + RND.NextDouble() * DamageVariance * 2;
@@ -95,8 +105,30 @@ namespace BigSock {
 				IsCrit = true;
 			}
 
-			return this;
+			return res;
 		}
 
+
+		/*
+			Creates a clone of this object.
+		*/
+		public static AttackStats Clone() {
+			return new AttackStats{
+				Damage = Damage,
+				Knockback = Knockback,
+				Range = Range,
+				ProjectileSpeed = ProjectileSpeed,
+				AttackSpeed = AttackSpeed,
+				CritChance = CritChance,
+				CritDamageModifier = CritDamageModifier,
+				
+				Source = Source,
+				Actor = Actor,
+
+				DamageVariance = DamageVariance,
+				IsCalculated = IsCalculated,
+				IsCrit = IsCrit,
+			};
+		}
 	}
 }
\ No newline at end of file

MrBigsock/Assets/Code/Core/IAttackStats.cs

@@ -79,7 +79,7 @@ namespace BigSock {
 			Calculates the final attack stats.
 				(Takes crit and damage spread and calculates the final values)
 		*/
-		IAttackStats Calculate();
+		IAttackStats Calculate(ICharacterStats char = null);
 	}