Score.cs

using System;

namespace Asteroids
{
	/// <summary>
	/// Maintains the score information for the game
	/// </summary>
	public class Score : CommonOps
	{
      protected int iScore;
      protected int iShips;
      protected int iHiScore;
      protected int iFreeShip;
      const int iFreeShipIncrement = 10000;
      
		public Score()
		{
         iShips = 0;
         iScore = 0;
         iHiScore = 0;
         iFreeShip = iFreeShipIncrement;
		}

      public void GetNewShip()
      {
         iShips -= 1;
      }

      public bool HasReserveShips()
      {
         // current ship doesn't count
         return (iShips > 1);
      }

      public void ResetGame()
      {
         iShips = 3;
         iScore = 0;
         iFreeShip = iFreeShipIncrement;
      }

      public void CancelGame()
      {
         iShips = 0;
      }

      public void AddScore(int iAddScore)
      {
         iScore += iAddScore;
         if (iScore >= iFreeShip)
         {
            iShips += 1;
            iFreeShip += iFreeShipIncrement;
            PlaySound("life.wav");
         }
         if (iScore >= 1000000)
            iScore = iScore % 1000000;
         if (iScore > iHiScore)
            iHiScore = iScore;
      }

      public void Draw(ScreenCanvas screenCanvas, int iPictX, int iPictY)
      {
         const int iWriteTop = 100;
         const int iLetterWidth = 200;
         const int iLetterHeight = iLetterWidth * 2;
         String strScore;

         // Draw Score + Ships left justified
         strScore = iScore.ToString("000000") + " ";
         if (iShips > 10)
         {
            strScore += "^x" + (iShips-1);
         }
         else
         {
            for (int i=0; i<iShips-1; i++)
               strScore += "^";
         }
         TextDraw.DrawText(screenCanvas, strScore, TextDraw.Justify.LEFT,
            iWriteTop, iLetterWidth, iLetterHeight, iPictX, iPictY);

         // Draw HiScore Centered
         strScore = iHiScore.ToString("000000");
         TextDraw.DrawText(screenCanvas, strScore, TextDraw.Justify.CENTER,
            iWriteTop, iLetterWidth, iLetterHeight, iPictX, iPictY);         
      }
	}
}