private PositionableModel GetClosestClickedModel()
{
PositionableModel closestModel = null;
Cursor cursor = this.ScreenManager.Game.Components.OfType <Cursor>().First();
Ray cursorRay =
cursor.CalculateCursorRay(BaseCamera.ActiveCamera.Projection, BaseCamera.ActiveCamera.View);
// Keep track of the closest object we have seen so far, so we can
// choose the closest one if there are several models under the cursor.
float closestIntersection = float.MaxValue;
List <PositionableModel> piecesAndSelectedSquares = new List <PositionableModel>();
foreach (Square sq in squares)
{
if (sq.Colour == Game.StatusCurrent.ColorSelectedSquares)
{
piecesAndSelectedSquares.Add(sq);
}
if (sq.OccupyingPiece != null)
{
piecesAndSelectedSquares.Add(sq.OccupyingPiece);
}
}
// Loop over all our models.
foreach (PositionableModel mdl in piecesAndSelectedSquares)
{
Vector3 vertex1, vertex2, vertex3;
// Perform the ray to model intersection test.
float?intersection = Utilities.RayIntersectsModel(cursorRay, mdl.Model,
mdl.WorldTransform,
out vertex1, out vertex2,
out vertex3);
// Do we have a per-triangle intersection with this model?
// If so, is it closer than any other model we might have
// previously intersected?
if ((intersection != null) && (intersection < closestIntersection))
{
// Store information about this model.
closestIntersection = intersection.Value;
closestModel = mdl;
}
}
return(closestModel);
}
public override void HandleInput(InputState input)
{
KeyboardState keybState = Keyboard.GetState();
if ((keybState.IsKeyUp(Keys.T) && (IsTKeyDown)))
{
IsTKeyDown = false;
}
if (((keybState.IsKeyDown(Keys.T))
&&
((keybState.IsKeyDown(Keys.LeftControl)) || (keybState.IsKeyDown(Keys.RightControl))))
&&
(!IsTKeyDown))
{
IsTKeyDown = true;
//facciamo in modo che se si tira indietro tutti i giocatori diventino umani
foreach (Side s in Game.StatusCurrent.Sides)
{
s.PlayerType = PlayerType.Human;
}
//ricarichiamo la form in modo che mostri i dati aggiornati
Game.FormCollection["frmGamePlayScreen"].Show();
ChessboardLogics.Takeback();
UpdateSquares();
}
if (!ChessboardLogics.IsComputerThinking() && (Mouse.GetState().LeftButton == ButtonState.Pressed))
{
PositionableModel closestClickedModel = GetClosestClickedModel();
if (closestClickedModel != null)
{
if (closestClickedModel.GetType() == typeof(Square)) //it is a selected square for sure
{
Square sq = closestClickedModel as Square;
string move = SelectedPiece.OccupiedSquare.ToString() +
sq.ToString();
if (ChessboardLogics.IsPromo(move))
{
screenManager.AddScreen(
new PromotionSelectionMenuScreen(move, SelectedPiece.OccupiedSquare, sq),
this.controllingPlayer
);
}
else
{
ChessboardLogics.MakeMove(move);
Game.StatusCurrent.Result = (PossibleResult)ChessboardLogics.GetResult();
//move the piece
SelectedPiece.OccupiedSquare.OccupyingPiece = null;
sq.OccupyingPiece = SelectedPiece;
Game.FormCollection["frmGamePlayScreen"]["lblTurn"].Text = "It's " + Game.StatusCurrent.SideToMove + " turn";
//UpdateSquares();
//if (Game.StatusCurrent.SideToMove == SideType.White)
// Game.StatusCurrent.SideToMove = SideType.Black;
//else
// Game.StatusCurrent.SideToMove = SideType.White;
}
SelectedPiece.IsSelected = false;
SelectedPiece = null;
foreach (Square sqr in squares)
{
sqr.IsSelected = false;
}
}
else //else it's a piece
{
Piece clickedPiede = closestClickedModel as Piece;
if (clickedPiede.Side == Game.StatusCurrent.SideToMove)
{
if (SelectedPiece != null)
{
SelectedPiece.IsSelected = false;
}
//select all moveable squares
SelectedPiece = closestClickedModel as Piece;
SelectedPiece.IsSelected = true;
string from = SelectedPiece.OccupiedSquare.ToString();
foreach (Square sq in squares)
{
string to = sq.ToString();
if (ChessboardLogics.CanMove(from + to) != 0)
{
sq.IsSelected = true;
}
else
{
sq.IsSelected = false;
}
}
}
}
}
}
base.HandleInput(input);
}
