public bool IsValidMove(Move move)
{
var tempMove = ActiveBlock.Clone();
tempMove.Move(move);
return(!CheckBlock(tempMove));
}
public bool Move(Move move)
{
// move must be set
if (move == Engine.Move.None)
{
return(true);
}
// must have active block
if (ActiveBlock == null)
{
return(false);
}
// implement fall
if (move == Engine.Move.Fall)
{
var collisionHeight = int.MaxValue;
foreach (var coord in ActiveBlock.GetCoords())
{
var steps = 0;
for (var y = coord.Row - 1; y >= 0; y--)
{
if (GameBoard[y][coord.Column] == false)
{
steps++;
}
else
{
break;
}
}
collisionHeight = Math.Min(steps, collisionHeight);
}
ActiveBlock.Position.Row -= collisionHeight;
EventHandler?.OnMove(ActiveBlock, move);
LockBlock();
CheckBoard();
IsSoftDrop = false;
return(true);
}
var tempMove = ActiveBlock.Clone().Move(move);
var validMove = CheckBlock(tempMove);
// try to solve rotation offset
if (validMove == false && (move == Engine.Move.RotateLeft || move == Engine.Move.RotateRight))
{
var solved = _TrySolveRotation(ref tempMove);
if (solved != null)
{
tempMove = solved;
validMove = true;
}
}
// if un valid move down lock block
if (validMove == false && move == Engine.Move.Down)
{
LockBlock();
CheckBoard();
IsSoftDrop = false;
return(true);
}
// move is un valid
if (validMove == false)
{
EventHandler?.OnUnvalidMove(move);
return(false);
}
// apply move
ActiveBlock = tempMove;
IsSoftDrop = _IsSoftDrop(ActiveBlock);
EventHandler?.OnMove(ActiveBlock, move);
return(true);
}