Add basic Health implementation

Seraphina/Health.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Text;
+
+using Seraphina.Core;
+
+namespace Seraphina
+{
+    public class Health
+    {
+        public HitPoint Current { get; set; }
+        public HitPoint Max { get; set; }
+
+        /// <summary>
+        /// The percentage of health remaining.
+        /// </summary>
+        public double Percent => Current.Value * 100.0 / Max.Value;
+
+        /// <summary>
+        /// Indicates if the owner of this health component is incapacitated, ie, has <= 0 HP left.
+        /// </summary>
+        public bool IsIncapacitated => Current <= 0;
+
+        /// <summary>
+        /// Indicates the missing amount of HitPoint on this component. Returns 0 if overhealed.
+        /// </summary>
+        public HitPoint Missing => Current > Max ? 0 : Max - Current;
+
+        public Color GetColor() => PlayerHealthColor.GetColor(Current, Max);
+
+        public (int num, int remainder) Div(int numerator, int denominator)
+        {
+            var result = Current.Value * numerator / denominator;
+
+            return (result, Current.Value - result);
+        }
+
+    }
+}