protected void okButton_Click(object sender, EventArgs e)
{
string result = "";
try
{
// Calculate percentage of wins:
decimal wins = decimal.Parse(gamesWonTextBox.Text);
decimal total = decimal.Parse(totalGamesTextBox.Text);
decimal winningPercentage = wins / total;
result = string.Format("Winning Percentage: {0:P}",
winningPercentage);
var monster = new Character() { Name = "Zerg", HitPoints = 0 };
var hero = new Character() { Name = "Buzz", HitPoints = 5 };
GameActions.Battle(hero, monster);
result += string.Format("{0} attacked {1} leaving him with {2} hit points.",
hero.Name,
monster.Name,
monster.HitPoints);
}
catch (FormatException ex)
{
//Log the exception!
result = "Please make sure to enter numeric values.";
}
catch (DivideByZeroException ex)
{
result = "Please make sure the number of games is greater than 0.";
}
catch (ArgumentOutOfRangeException ex)
{
result = "There was a problem: " + ex.Message;
}
catch (CharacterAlreadyDeadException ex)
{
result = "Problem: " + ex.CharacterName + " was dead. Could not attack.";
}
catch (Exception ex)
{
result = "There was a problem: " + ex.Message;
}
finally
{
// Perform cleanup here. You probably
// won't need this until we start working
// with external resources like
// database connections, network connections,
// file system manipulation, etc.
}
resultLabel.Text = result;
}
// In the past, some have tried return codes.
// That is generally frowned upon because
// return codes are like magic numbers ...
// they are hard to check at compile time.
// DO NOT DO THIS:
// public int Battle(Character attacker, Character defender)
// {
// ...
// if (successful) return 0;
// else return 66;
// ...
// }
public static void Battle(Character attacker, Character defender)
{
if (attacker.HitPoints <= 0)
throw new CharacterAlreadyDeadException("Attacker");
if (defender.HitPoints <= 0)
throw new CharacterAlreadyDeadException("Defender");
Random random = new Random();
int attackValue = random.Next(100);
defender.HitPoints -= attackValue;
}
