protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (currState == State.Start)
{
KeyboardState keys = Keyboard.GetState();
if (keys.IsKeyDown(Keys.Space) && prevKeyState.IsKeyUp(Keys.Space))
{
grid.UpdateGrid();
playerBoats.UpdateCell(grid.Cell);
computerBoats.UpdateCell(grid.Cell);
currState = State.Place;
}
if (keys.IsKeyDown(Keys.Up) && prevKeyState.IsKeyUp(Keys.Up))
{
grid.NumHorizontal++;
grid.NumVertical++;
}
else if (keys.IsKeyDown(Keys.Down) && prevKeyState.IsKeyUp(Keys.Down))
{
grid.NumHorizontal--;
grid.NumVertical--;
}
if (keys.IsKeyDown(Keys.Tab) && prevKeyState.IsKeyUp(Keys.Tab))
{
computerBoats.LimitOn = !computerBoats.LimitOn;
playerBoats.LimitOn = !playerBoats.LimitOn;
}
prevKeyState = keys;
}
else if (currState == State.Place)
{
var mouse = Mouse.GetState();
KeyboardState keys = Keyboard.GetState();
if (keys.IsKeyDown(Keys.Space) && prevKeyState.IsKeyUp(Keys.Space) && playerBoats.Sum == 16)
{
computerBoats.RandomLayout(grid.NumVertical, grid.NumHorizontal);
currState = State.Player;
}
prevKeyState = keys;
if (mouse.LeftButton == ButtonState.Pressed && prevMouseState == ButtonState.Released)
{
Vector2 loc = grid.WichCell(mouse.X, mouse.Y);
if (!boatPlace.Contains(loc) && loc.X != -1)
{
boatPlace.Add(loc);
}
}
prevMouseState = mouse.LeftButton;
if (boatPlace.Count == 1 && grid.Screen.Contains(mouse.X, mouse.Y))
{
playerBoats.UpdateTemp(boatPlace[0], grid.WichCell(mouse.X, mouse.Y));
}
else if (boatPlace.Count == 2 && (boatPlace[0].X == boatPlace[1].X ^ boatPlace[0].Y == boatPlace[1].Y))
{
playerBoats.Place(boatPlace);
boatPlace.Clear();
}
}
else if (currState == State.Player)
{
computerBoats.HasFired = false;
var mouse = Mouse.GetState();
KeyboardState keys = Keyboard.GetState();
if (mouse.LeftButton == ButtonState.Pressed && prevMouseState == ButtonState.Released && !playerBoats.HasFired)
{
Vector2 loc = grid.WichCell(mouse.X, mouse.Y);
playerBoats.HasFired = computerBoats.FireAt(loc);
}
prevMouseState = mouse.LeftButton;
if (keys.IsKeyDown(Keys.Space) && prevKeyState.IsKeyUp(Keys.Space) && playerBoats.HasFired)
{
currState = State.Computer;
if (!playerBoats.Alive || !computerBoats.Alive)
{
currState = State.End;
}
}
prevKeyState = keys;
}
else if (currState == State.Computer)
{
playerBoats.HasFired = false;
KeyboardState keys = Keyboard.GetState();
if (!computerBoats.HasFired)
{
computerBoats.HasFired = computerBoats.Fire(playerBoats, grid.NumVertical, grid.NumHorizontal);
}
if (keys.IsKeyDown(Keys.Space) && prevKeyState.IsKeyUp(Keys.Space) && computerBoats.HasFired)
{
currState = State.Player;
if (!playerBoats.Alive || !computerBoats.Alive)
{
currState = State.End;
}
}
prevKeyState = keys;
}
else if (currState == State.End)
{
KeyboardState keys = Keyboard.GetState();
if (keys.IsKeyDown(Keys.Space) && prevKeyState.IsKeyUp(Keys.Space))
{
playerBoats.Reset();
computerBoats.Reset();
currState = State.Start;
}
prevKeyState = keys;
}
base.Update(gameTime);
}
