/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
_drawState = new DrawState(GraphicsDevice);
_menuScreen = new MenuScreen(Content, _drawState.ScreenBounds);
_menuScreen.OnStart += OnGameStart;
}
public void Draw(DrawState state)
{
if (_pressTex != null)
state.SpriteBatch.Draw(_pressTex, _location, _pressed ? Color.DarkGray : Color.White);
else
state.SpriteBatch.DrawString(_font, _text, new Vector2(_location.X, _location.Y), _pressed ? Color.DarkGray : Color.White);
}
public void Draw(GameTime gameTime, DrawState state)
{
state.SpriteBatch.Begin(SpriteSortMode.Deferred, null, null, null, null, null, state.ScreenXform);
var center = state.ScreenBounds.Center.ToVector2();
// Draw the background and title.
state.SpriteBatch.Draw(_backgroundTex, center - _backgroundTex.GetHalfSize(), Color.White);
state.SpriteBatch.Draw(_titleTex, center - _titleTex.GetHalfSize(), Color.White);
// Draw the start button blinking.
if ((gameTime.TotalGameTime.TotalSeconds % 0.9f) > 0.45f)
_startButton.Draw(state);
state.SpriteBatch.End();
}
private void DrawRoom(DrawState state)
{
var screen = state.ScreenBounds;
var center = screen.Center.ToVector2();
var room = _map.PlayerRoom;
if (_scrollOutRoom != -1)
{
room = _map[_scrollOutRoom];
var offset = Vector2.Lerp(Vector2.Zero, _scrollOutEnd, Helpers.EaseInOut(_scrollPos));
center += offset;
}
else if (_scrollInRoom != -1)
{
room = _map[_scrollInRoom];
var offset = Vector2.Lerp(_scrollInStart, Vector2.Zero, Helpers.EaseInOut(_scrollPos));
center += offset;
}
state.SpriteBatch.Begin(SpriteSortMode.Deferred, null, null, null, null, null, state.ScreenXform);
// Draw the ground.
state.SpriteBatch.Draw(_groundTex, center - _groundTex.GetHalfSize(), Color.White);
var roomHalfWidth = _wallNorthSolid.Width / 2.0f;
var wallDepth = _wallNorthSolid.Height;
var roomHalfHeight = _wallEastSolid.Height / 2.0f;
// Do we draw the alien goop?
if (_goopPos.HasValue)
state.SpriteBatch.Draw(_goopTex, center + new Vector2(_goopPos.Value.X, _goopPos.Value.Y), null, null, _goopTex.GetHalfSize(), _goopPos.Value.Z);
// Do we draw the alien.
if (_map.AlienRoom == room.Index)
state.SpriteBatch.Draw(_alienTex, center - _alienTex.GetHalfSize(), Color.White);
if (room.HasTrap)
{
var frameN = MathHelper.Clamp((int)Math.Floor((_roomTimer.TotalSeconds / 1.2f) * 8), 0, 7);
var frameWidth = _trapTex.Width / 8;
var frame = new Rectangle(frameN * frameWidth, 0, frameWidth, _trapTex.Height);
state.SpriteBatch.Draw(_trapTex, center - new Vector2(frameWidth / 2.0f, _trapTex.Height / 2.0f), frame, Color.White);
}
if (_map.WeaponRoom == room.Index)
state.SpriteBatch.Draw(_flamethrowerTex, center - _flamethrowerTex.GetHalfSize(), Color.White);
if (_attackTimer > TimeSpan.FromSeconds(1.25f))
{
var frameN = (int)Math.Floor((_attackTimer.TotalSeconds * 6.0f) % 4.0f);
var frame = new Rectangle(0, frameN * (_flamesTex.Height / 4), _flamesTex.Width, _flamesTex.Height / 4);
var offset = new Vector2(frame.Right, frame.Height / 2.0f);
state.SpriteBatch.Draw(_flamesTex, state.ScreenBounds.Center.ToVector2(),
frame, Color.White, _attackRot, offset, 1, SpriteEffects.None, 0.0f);
}
// Draw the room walls.
state.SpriteBatch.Draw(room.NorthRoom != -1 ? _wallNorthOpen : _wallNorthSolid, new Vector2(center.X - roomHalfWidth, center.Y - roomHalfHeight));
state.SpriteBatch.Draw(room.EastRoom != -1 ? _wallEastOpen : _wallEastSolid, new Vector2(center.X + roomHalfWidth - wallDepth, center.Y - roomHalfHeight));
state.SpriteBatch.Draw(room.WestRoom != -1 ? _wallWestOpen : _wallWestSolid, new Vector2(center.X - roomHalfWidth, center.Y - roomHalfHeight));
state.SpriteBatch.Draw(room.SouthRoom != -1 ? _wallSouthOpen : _wallSouthSolid, new Vector2(center.X - roomHalfWidth, center.Y + roomHalfHeight - wallDepth));
state.SpriteBatch.End();
}
private void DrawHud(GameTime gameTime, DrawState state)
{
state.SpriteBatch.Begin(SpriteSortMode.Deferred, null, null, null, null, null, state.ScreenXform);
var room = _map.PlayerRoom;
if (ShowHud())
{
if (room.NorthRoom != -1)
(_attackMode ? _attackButtonNorth : _buttonNorth).Draw(state);
if (room.EastRoom != -1)
(_attackMode ? _attackButtonEast : _buttonEast).Draw(state);
if (room.SouthRoom != -1)
(_attackMode ? _attackButtonSouth : _buttonSouth).Draw(state);
if (room.WestRoom != -1)
(_attackMode ? _attackButtonWest : _buttonWest).Draw(state);
if (_player.HasWeapon)
_flameThrowerButton.Draw(state);
if (_map.IsTrapNear(room.Index))
{
if (_roomTimer.TotalSeconds % 2.0f < 1.0f)
state.SpriteBatch.Draw(_trapWarnTex, new Vector2(state.ScreenBounds.Left, state.ScreenBounds.Bottom - _trapWarnTex.Height), Color.White);
}
}
// Draw the health.
if (_player.Health > 0)
state.SpriteBatch.Draw(_healthTex, new Vector2(20, 10), Color.White);
if (_player.Health > 1)
state.SpriteBatch.Draw(_healthTex, new Vector2(20 + _healthTex.Width, 10), Color.White);
if (_player.Health > 2)
state.SpriteBatch.Draw(_healthTex, new Vector2(20 + (_healthTex.Width * 2), 10), Color.White);
// Draw the room identifier.
var roomDesc = string.Format("ROOM: {0}", room.Index + 1);
state.SpriteBatch.DrawString(_hudFont, roomDesc, new Vector2(20, 74), Color.White);
state.SpriteBatch.End();
}
private void DrawGameWin(DrawState state)
{
state.SpriteBatch.Begin(SpriteSortMode.Deferred, null, null, null, null, null, state.ScreenXform);
state.SpriteBatch.Draw(_gameWinTex, state.ScreenBounds.Center.ToVector2() - _gameWinTex.GetHalfSize(), Color.Red);
state.SpriteBatch.End();
}
public void Draw(GameTime gameTime, DrawState state)
{
DrawRoom(state);
if (_player.IsDead && _roomTimer > TimeSpan.FromSeconds(2.0f))
DrawGameOver(state);
if (_map.AlienRoom == -1)
DrawGameWin(state);
else
DrawHud(gameTime, state);
}