/// <summary>
/// Move a pawn from its square to the other square
/// </summary>
/// <param name="pawn">the pawn we want to move</param>
/// <param name="square">the square where we want to move the pawn</param>
public bool Move(PawnElement pawn, ChessElement square)
{
// It is a possible move for this Pawn Element
if (pawn.MoveCases.Contains(square.Position))
{
// Check if there is a pawn at the destination => if yes, we can only eat it (if it's on a different team)
if (positionPawns.GetPositions[square.Position] != null)
{
PawnElement pe = positionPawns.GetPositions[square.Position].GetComponent <PawnElement>();
// We can only eat if the teams are different
if (pe.GetTeam != pawn.GetTeam)
{
eat.Eat(positionPawns.GetPositions, square.Position);
// The pawn is eaten but the actual movement is yet to be done
}
else
{
// the pawn cannot be eaten => the movement can't be finished
return(false);
}
}
positionPawns.GetPositions[square.Position] = pawn.gameObject;
positionPawns.GetPositions[pawn.Position] = null;
//change the position that the pawn knows
pawn.Position = square.Position;
positionPawn.PutPawnIntoPosition(pawn.gameObject);
pawn.UpdateSelectableCases();
return(true);
}
return(false);
}
/// <summary>
/// Put a game object at its right position on the chessboard
/// </summary>
/// <param name="pawnToPositionate">the gameobject to positionate</param>
public void PutPawnIntoPosition(GameObject pawnToPositionate)
{
Position pos = pawnToPositionate.GetComponent <ChessElement>().Position;
Vector2 position = pos.coo;
GameObject square = pos.board.GetSquare(position);
Vector3 p = square.transform.position;
int x = (int)p.x;
int y = (int)p.y;
int z = (int)p.z;
pawnToPositionate.transform.position = new Vector3(x, y, z);
pawnToPositionate.transform.up = -square.transform.up; // The orientation is unchanged, must be set in the prefab
// About the rotation
PawnElement pawnElement = pawnToPositionate.GetComponent <PawnElement>();
if (pawnElement != null)
{
if (pawnElement.GetTeam != 0)
{
pawnToPositionate.transform.Rotate(new Vector3(0, 180, 0));
}
}
}
/// <summary>
/// Catch the input of the mouse and use it
/// to select an object
/// </summary>
void Update()
{
//Fire1 is the button for selecting
if (Input.GetButtonDown("Fire1"))
{
bool aSelectionHasBeenDone = select[0].LaunchSelect(Input.mousePosition);
//If we select a pawn, the possible movement will have a special color
if (aSelectionHasBeenDone)
{
//a new selection has been done, so we remove the previous one
ResetPossibleMovementColor();
if (select[0].HasSthSelected)
{
PawnElement element1 = select[0].LastSelected.GetComponent <PawnElement>();
//put a special color on the squares you can move
foreach (Position pos in element1.MoveCases)
{
pos.board.GetSquare(pos.coo).GetComponent <Renderer>().material.color = possibleSquaresColor;
}
}
}
//we need to have the first select activated to select a second gameobject
//and we need to have selected a gameobject before this frame
if (select[0].HasSthSelected && !aSelectionHasBeenDone)
{
select[1].LaunchSelect(Input.mousePosition);
}
//we remove the selection of the second gameobject if the first is unselected and
//if a second gameobject has been selected
else if (select[1].HasSthSelected)
{
select[1].RemoveSelection();
}
}
//Submit is the button for the validation of our movement
if (Input.GetButtonDown("Submit"))
{
//we have to select 2 gameobject before the validation of the movement
if (select[0].HasSthSelected && select[1].HasSthSelected)
{
PawnElement element1 = select[0].LastSelected.GetComponent <PawnElement>();
if (element1.GetTeam == teamTurn.GetTeamTurn)
{
SquareElement element2 = select[1].LastSelected.GetComponent <SquareElement>();
//do the move; eat the pawn at the selected square if needed
if (move.Move(element1, element2))
{
//we notify to all the observers that a move has been done
NotifyAll();
}
ResetAllSelection();
}
}
}
}
public override bool CanSelect(GameObject newSelected)
{
if (base.CanSelect(newSelected))
{
PawnElement pElem = newSelected.GetComponent <PawnElement>();
return(pElem.GetTeam == teamTurn.GetTeamTurn);
}
return(false);
}
/// <summary>
/// Eats the pawn at the given position. Makes it disappear from the board.
/// Checking if the pawn is on a different pawn is done before.
/// </summary>
/// <param name="allPawns"> list of all the pawns</param>
/// <param name="pos">the position of the pawn to eat</param>
public void Eat(IDictionary <Position, GameObject> allPawns, Position pos)
{
GameObject go;
if (allPawns.TryGetValue(pos, out go))
{
// Checking if the pawn to be eaten is the target
if (go == goal.GetGoal1 || go == goal.GetGoal2)
{
goal.ToDisplay = "La partie est finie, ";
PawnElement pe = go.GetComponent <PawnElement>();
goal.ToDisplay += "le joueur " + pe.GetTeam + " a gagné !";
// TODO Stop the game ?
}
// Destroying the game object
Destroy(go);
// Destroying the GO does not set the position null apparently, so
allPawns[pos] = null;
}
}
