/// <summary>
/// Generates DestroyableWallSprite that is ready to be placed on board.
/// </summary>
/// <returns></returns>
private Sprite GenerateDestroyableWall()
{
var position = GenerateNewPosition();
while (!IsPositionValid(position) && !IsPositionEmpty(position) && Math.Abs(position.X - Player.Position.X) < 3 && Math.Abs(position.Y - Player.Position.Y) < 3)
{
position = GenerateNewPosition();
}
var wall = new DestroyableWallSprite(_destroyableWallTexture, position, this);
return(wall);
}
/// <summary>
/// Takes user input and moves player accordingly.
/// Picks up all PowerUps and handles bomb planting.
/// Decreases hunger for player.
/// </summary>
/// <param name="gameTime"></param>
public override void Update(GameTime gameTime)
{
if (Delay == 0)
{
var newPosition = new Point(Position.X + Direction.X, Position.Y + Direction.Y);
newPosition = board.AdjustToBoardSize(newPosition);
if (Life < 0 || Hunger < 0)
{
board.GameOver();
}
if (board.Fields[newPosition.X, newPosition.Y].Sprite is PowerUp)
{
var powerup = board.Fields[newPosition.X, newPosition.Y].Sprite as PowerUp;
if (powerup is MedpackPowerUp)
{
if (Life < MaxLife)
{
Life++;
}
}
else if (powerup is FoodPowerUp)
{
Hunger = Math.Min(Hunger + 20, 150);
}
else if (powerup is DebrisPowerUp)
{
if (PowerUp is DebrisPowerUp)
{
var playerDebris = PowerUp as DebrisPowerUp;
playerDebris.IncreaseDebris();
}
else
{
var debrisPowerUp = powerup as DebrisPowerUp;
debrisPowerUp.DebrisCount = 1;
PowerUp = debrisPowerUp;
}
}
else
{
PowerUp = powerup;
}
board.RemoveObject(powerup);
}
Keys[] key = Keyboard.GetState().GetPressedKeys();
if (key.Contains(Keys.X) && PowerUp is DebrisPowerUp) // plant wall
{
var debris = PowerUp as DebrisPowerUp;
if (debris.DebrisCount > 1)
{
var wallPos = new Point();
if (key.Contains(Keys.Left))
{
wallPos = new Point(Position.X - 1, Position.Y);
if (board.IsPositionValid(wallPos))
{
var destroyableWall = new DestroyableWallSprite(_destroyableWallTexture, wallPos, board);
board.AddObject(destroyableWall);
debris.DebrisCount -= 2;
if (debris.DebrisCount == 0)
{
PowerUp = null;
}
}
}
if (key.Contains(Keys.Right))
{
wallPos = new Point(Position.X + 1, Position.Y);
if (board.IsPositionValid(wallPos))
{
var destroyableWall = new DestroyableWallSprite(_destroyableWallTexture, wallPos, board);
board.AddObject(destroyableWall);
debris.DebrisCount -= 2;
if (debris.DebrisCount == 0)
{
PowerUp = null;
}
}
}
if (key.Contains(Keys.Up))
{
wallPos = new Point(Position.X, Position.Y - 1);
if (board.IsPositionValid(wallPos))
{
var destroyableWall = new DestroyableWallSprite(_destroyableWallTexture, wallPos, board);
board.AddObject(destroyableWall);
debris.DebrisCount -= 2;
if (debris.DebrisCount == 0)
{
PowerUp = null;
}
}
}
if (key.Contains(Keys.Down))
{
wallPos = new Point(Position.X, Position.Y + 1);
if (board.IsPositionValid(wallPos))
{
var destroyableWall = new DestroyableWallSprite(_destroyableWallTexture, wallPos, board);
board.AddObject(destroyableWall);
debris.DebrisCount -= 2;
if (debris.DebrisCount == 0)
{
PowerUp = null;
}
}
}
}
}
if (board.IsPositionValid(newPosition))
{
Point oldPosition = Position;
Position = newPosition;
board.ChangePosition(oldPosition, this);
}
if (key.Contains(Keys.Space))
{
if (PowerUp is TntDetonatorPowerUp)
{
var tnt = PowerUp as TntDetonatorPowerUp;
if (tnt.IsPlanted)
{
tnt.Detonate();
PowerUp = null;
}
else
{
tnt.Plant(Position);
}
}
else
{
if (board.Bombs.Count(x => x.GetType() == typeof(Bomb)) < 2)
{
var bomb = new Bomb(BombTexture, Position, board);
board.Plant(bomb);
}
}
}
if (HungerDelay >= MaxHungerDelay)
{
HungerDelay = 0;
Hunger--;
}
else
{
HungerDelay++;
}
}
if (PowerUp != null)
{
if (PowerUp is ChargingPowerUp)
{
PowerUp.Life -= (int)gameTime.ElapsedGameTime.TotalMilliseconds;
if (PowerUp.Life <= 0)
{
PowerUp = null;
}
}
}
Delay = (Delay + 1) % 5;
}
/// <summary>
/// Prepares new GameBoard for new game
/// </summary>
public void NewGame()
{
var normalEnemyTexture = Game.Content.Load <Texture2D>(@"Enemies/normal");
var hunterEnemyTexture = Game.Content.Load <Texture2D>(@"Enemies/hunter");
var shooterEnemyTexture = Game.Content.Load <Texture2D>(@"Enemies/shooter");
var tankEnemyTexture = Game.Content.Load <Texture2D>(@"Enemies/tank");
var bombfireTexture = Game.Content.Load <Texture2D>(@"bombfire");
var bombTexture = Game.Content.Load <Texture2D>(@"bomb");
var hungerTexture = Game.Content.Load <Texture2D>(@"hungerbar");
var foodTexture = Game.Content.Load <Texture2D>(@"food");
var medpackTexture = Game.Content.Load <Texture2D>(@"medpack");
var tntDetonatorTexture = Game.Content.Load <Texture2D>(@"tntdetonator");
var chargingTexture = Game.Content.Load <Texture2D>(@"charging");
var tntTexture = Game.Content.Load <Texture2D>(@"tnt");
var debrisTexture1 = Game.Content.Load <Texture2D>(@"debris1");
var debrisTexture2 = Game.Content.Load <Texture2D>(@"debris2");
var debrisTexture3 = Game.Content.Load <Texture2D>(@"debris3");
var debrisTexture4 = Game.Content.Load <Texture2D>(@"debris4");
var wallDestroyableTexture = Game.Content.Load <Texture2D>(@"wall_destroyable");
gameBoard = new GameBoard(boardSize, 40, 40, 80, this, gameTimeFont, bombfireTexture,
normalEnemyTexture, hunterEnemyTexture, shooterEnemyTexture, tankEnemyTexture, foodTexture,
medpackTexture, tntDetonatorTexture, chargingTexture, tntTexture, bombTexture, debrisTexture1, debrisTexture2, debrisTexture3, debrisTexture4, wallDestroyableTexture);
//Load the player sprite
player = new UserControlledSprite(
Game.Content.Load <Texture2D>(@"player_transparent"),
new Point(0, 0), gameBoard, Game.Content.Load <Texture2D>(@"heart"),
hungerTexture,
Game.Content.Load <Texture2D>(@"player_transparent_yellow"),
bombTexture,
wallDestroyableTexture);
gameBoard.AddObject(player);
var r = new Random();
var wallSprite = Game.Content.Load <Texture2D>(@"wall");
//generate random walls
for (int i = 0; i < 30; i++)
{
int X = r.Next(boardSize.X);
int Y = r.Next(boardSize.Y);
var position = new Point(X, Y);
if (gameBoard.IsPositionValid(position) && Math.Sqrt(position.X * position.X + position.Y * position.Y) >= 3)
{
gameBoard.AddObject(new WallSprite(wallSprite, new Point(X, Y),
gameBoard));
}
}
//generate random destroyable walls
for (int i = 0; i < 50; i++)
{
int X = r.Next(boardSize.X);
int Y = r.Next(boardSize.Y);
var position = new Point(X, Y);
if (gameBoard.IsPositionValid(position) && Math.Sqrt(position.X * position.X + position.Y * position.Y) >= 3)
{
var destrWallSprite = new DestroyableWallSprite(wallDestroyableTexture,
new Point(X, Y), gameBoard);
gameBoard.AddObject(destrWallSprite);
}
}
}
