/// <summary>
/// Constructor.
/// </summary>
/// <param name="game"></param>
public MapScroller(ClientGame game, GameState state)
{
RegisterListeners();
characterAvailable = true;
_game = game;
_module = state.Module;
_iso = _module.Map.Iso;
_state = state;
_spriteBatch = game.SpriteBatch;
_gameFont = game.Content.Load<SpriteFont>("Fonts//gameFont");
_circle = _game.Content.Load<Texture2D>("Textures//circle");
_screenSpace = new Rectangle(0, 0, _game.GraphicsDevice.PresentationParameters.BackBufferWidth, _game.GraphicsDevice.PresentationParameters.BackBufferHeight);
// World space
var max = _iso.TilePlotter(new Point(_module.Map.Width - 1, _module.Map.Height - 1));
_worldSpace = new Rectangle(0, 0, max.X + _module.Map.TileWidth, max.Y + _module.Map.TileHeight);
// Anchor space
_anchorSpace = _worldSpace;
var horizontal = _screenSpace.Right - _screenSpace.Left;
_anchorSpace.Width -= horizontal;
if (_anchorSpace.Right < _anchorSpace.Left)
_anchorSpace.Width = 0;
var vertical = _screenSpace.Bottom - _screenSpace.Top;
_anchorSpace.Height -= vertical;
if (_anchorSpace.Bottom < _anchorSpace.Top)
_anchorSpace.Height = 0;
// Adjust for staggered maps to eliminate jaggies when scrolling to map edge
if (_iso.Style == IsometricStyle.Staggered)
{
_anchorSpace.Y += _module.Map.TileHeight / 2;
_anchorSpace.Height -= _module.Map.TileHeight / 2;
_anchorSpace.X += _module.Map.TileWidth / 2;
_anchorSpace.Width -= _module.Map.TileWidth / 2;
_screenAnchor = new Point(_anchorSpace.Left, _anchorSpace.Top);
}
else
{
// Screen anchor
_screenAnchor = new Point(0, 0);
}
}
