/**
* This method receives a Move and returns whether it is a valid move.
* A valid move must be a diagonal move which doesn't overlap another soldier, it must move an actual soldier, it must not exceed the board's boundaries,
* if it's a jump move then it must be jumping over the opponent's soldier and if the move isn't a jump move but the player has jump moves available, then
* the move isn't valid as well.
*/
public bool IsMoveValid(Move i_Move)
{
bool validMove = true;
CheckersCoordinates targetLocation = i_Move.TargetLocation;
CheckersCoordinates currentLocation = i_Move.CurrentLocation;
Player movePlayer = i_Move.Player != null ? i_Move.Player : GetCurrentPlayer();
if (!targetLocation.IsValid(m_CheckersBoard.Size) || !currentLocation.IsValid(m_CheckersBoard.Size))
{
validMove = false;
}
else
{
Soldier soldier = m_CheckersBoard.GetSoldierAt(currentLocation);
Soldier targetLocationSoldier = m_CheckersBoard.GetSoldierAt(targetLocation);
// Checking that the soldier actually exists and that we're not trying to move the soldier to an existing soldier.
if (soldier == null || targetLocationSoldier != null)
{
validMove = false;
}
else if (!isValidDiagonalMove(i_Move))
{
validMove = false;
}
else if (i_Move.IsJumpMove && !IsJumpableMove(i_Move))
{
validMove = false;
}
else if (!i_Move.IsJumpMove && PlayerHasJumpMove(movePlayer))
{
validMove = false;
}
}
return(validMove);
}
