private bool isBoardFree(int x, int y, Block block)
{
if (block == null)
{
return(false);
}
bool free = true;
for (int row = 0; row < block.rows; row++)
{
for (int lane = 0; lane < block.lanes; lane++)
{
int globalRow = row + block.rowPosititon;
int globalLane = lane + block.lanePosititon;
if (block != null && block.isGlobalPositionOccupied(globalRow, globalLane))
{
if (globalRow + x >= board.rows ||
globalRow + x < 0 ||
globalLane + y >= board.lanes ||
globalLane + y < 0)
{
return(false);
}
free = free && board.isEmpty(globalRow + x, globalLane + y);
}
}
}
return(free);
}