public bool IsAreaValid(Vector2Int vTopLeft, int areaWidth, int areaHeight, ref int AreaId)
{
int nOrigin = 0;
int nCells = areaWidth * areaHeight;
for (int i = 0; i < areaHeight; ++i)
{
int cellX = vTopLeft.x + i;
for (int j = 0; j < areaWidth; ++j)
{
int cellY = vTopLeft.y + j;
Cell cell = m_aGridView[cellX, cellY].GetComponent <Cell>();
// A cell in given area already belong to an area
if (cell.IsInArea())
{
return(false);
}
if (cell.IsAreaOrigin())
{
// More than one origin cell in area
if (++nOrigin != 1)
{
return(false);
}
// Too much/not enough cells in area based on origin cell value
if (cell.GetAreaOriginValue() != nCells)
{
return(false);
}
AreaId = m_aGridModel.GetAreaId(cellX, cellY);
}
}
}
return(nOrigin != 0);
}