Dogcows Code - chaz/carfire/blob - CarFire/CarFire/CarFire/GameLogic.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using Microsoft.Xna.Framework;
   6 using Microsoft.Xna.Framework.Content;
   7 using Microsoft.Xna.Framework.Graphics;
   8 using Microsoft.Xna.Framework.Input;
   9
  10 namespace CarFire
  11 {
  12     class GameLogic
  13     {
  14
  15         Game mGame;
  16         public GameLogic(Game game)
  17         {
  18             mGame = game;
  19         }
  20         /// <summary>
  21         /// Update the game logic.
  22         /// </summary>
  23         /// <param name="timespan">timeslice</param>
  24         /// <param name="thisPlayer">index of the player to center the screen around</param>
  25         public void Update(TimeSpan timespan, int thisPlayer)
  26         {
  27             //Handle projectiles - update and check for wall collisions
  28             for (int i = 0; i < mGame.State.mProjectiles.Count; i++)
  29             {
  30                 bool removed = false;
  31                 //Check to see if there are any entities in the square with the projectile
  32                 if (!mGame.IsCellOpen(new Point(mGame.State.mProjectiles[i].Coordinates.X, mGame.State.mProjectiles[i].Coordinates.Y)))
  33                 {
  34                     //The projectile has hit something.
  35                     IEntity hitEntity = mGame.GetEntityAtCoordinates(new Point(mGame.State.mProjectiles[i].Coordinates.X, mGame.State.mProjectiles[i].Coordinates.Y));
  36                     //If it is a monster than decrement monster health and increment the score of the player who shot it.
  37                     if (hitEntity is IMonster)
  38                     {
  39                         IMonster hitMonster = (IMonster)hitEntity;
  40                         hitMonster.causeDamageTo(mGame.State.mProjectiles[i].Damage);
  41                         if (hitMonster.Health > 0)
  42                         {
  43                             mGame.State.mCharacters[mGame.State.mProjectiles[i].CharacterIndex].Score += mGame.State.HitMonsterScore;
  44                             Console.WriteLine(mGame.State.mCharacters[mGame.State.mProjectiles[i].CharacterIndex].Score);
  45                         }
  46                         else
  47                         {
  48                             mGame.State.mCharacters[mGame.State.mProjectiles[i].CharacterIndex].Score += mGame.State.KillMonsterScore;
  49                             Console.WriteLine(mGame.State.mCharacters[mGame.State.mProjectiles[i].CharacterIndex].Score);
  50                             //Remove dead monsters
  51                             mGame.State.Entities.Remove(hitEntity);
  52                         }
  53                     }
  54                     mGame.State.mProjectiles.RemoveAt(i);
  55                     removed = true;
  56                     i--;
  57                 }
  58                 if (!removed)
  59                     mGame.State.mProjectiles[i].Update(timespan);
  60
  61             }
  62             //Check for collisons
  63             for (int j = 0; j < mGame.State.mCharacters.Length; j++)
  64             {
  65
  66                 if (mGame.State.mCharacters[j] != null)
  67                     for (int i = 0; i < mGame.State.mProjectiles.Count; i++)
  68                     {
  69                         if (mGame.State.mProjectiles[i].Coordinates.X == mGame.State.mCharacters[j].Coordinates.X && mGame.State.mProjectiles[i].Coordinates.Y == mGame.State.mCharacters[j].Coordinates.Y)
  70                         {
  71                             mGame.State.mCharacters[j].causeDamageTo(mGame.State.mProjectiles[i].Damage);
  72                             Console.WriteLine(mGame.State.mCharacters[j].Health);
  73                             mGame.State.mProjectiles.RemoveAt(i);
  74                             i--;
  75                         }
  76                     }
  77             }
  78             //Update input for each player
  79             for (int i = 0; i < mGame.State.NumberOfPlayers; i++)
  80             {
  81                 if(mGame.State.mCharacters[i] != null)
  82                     mGame.State.mCharacters[i].Update(timespan, mGame.State.GetKeysDown(i));
  83             }
  84             if (mGame.State.mCharacters[thisPlayer] != null)
  85             {
  86                 mGame.State.Map.CenterCell = mGame.State.mCharacters[thisPlayer].Position;
  87             }
  88             //Handle wall collisions of projectiles again...
  89             for (int i = 0; i < mGame.State.mProjectiles.Count; i++)
  90             {
  91                 if (!mGame.State.Map.IsCellOpen(new Point(mGame.State.mProjectiles[i].Coordinates.X, mGame.State.mProjectiles[i].Coordinates.Y)))
  92                 {
  93                     mGame.State.mProjectiles.RemoveAt(i);
  94                     i--;
  95                 }
  96
  97             }
  98         }
  99     }
 100 }