cap health at minimum 0

scripts/CSharp/Common/Fight/FightUtils.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 
 namespace Babushka.scripts.CSharp.Common.Fight;
@@ -25,7 +26,7 @@ public static class FightUtils
 
     public static bool IsAlive(this FightWorld.Fighter self)
     {
-        return self.GetHealth() >= 0;
+        return self.GetHealth() > 0;
     }
 
     public static bool IsDead(this FightWorld.Fighter self)
@@ -35,7 +36,7 @@ public static class FightUtils
 
     public static int GetHealth(this FightWorld.Fighter self)
     {
-        return self.health ?? self.maxHealth;
+        return Math.Max(self.health ?? self.maxHealth, 0);
     }
 
     public static void AddHealth(this FightWorld.Fighter self, int addHealth)