public void SetPushTargets(Vector2 cell, int qty)
{
int i = qty < 0 ? -1 : 1;
int incr = qty < 0 ? -1 : 1;
if (cell.x - x > cell.y - y && (cell.x - x) + (cell.y - y) >= 0) // Front
{
while (i != qty + incr)
{
CellBehaviour cellBehaviour = grid.GetCellBehaviour(x - i, y);
if (cellBehaviour == null ||
!cellBehaviour.isWalkable ||
grid.GetEntityOnCell(x - i, y) != null)
{
break;
}
pushTargets.Add(new Vector2(x - i, y));
i += qty < 0 ? -1 : 1;
}
}
else if (cell.x - x >= cell.y - y && (cell.x - x) + (cell.y - y) < 0) // Left
{
while (i != qty + incr)
{
CellBehaviour cellBehaviour = grid.GetCellBehaviour(x, y + i);
if (cellBehaviour == null || !cellBehaviour.isWalkable ||
grid.GetEntityOnCell(x, y + i) != null)
{
break;
}
pushTargets.Add(new Vector2(x, y + i));
i += qty < 0 ? -1 : 1;
}
}
else if (cell.x - x < cell.y - y && (cell.x - x) + (cell.y - y) <= 0) // Back
{
while (i != qty + incr)
{
CellBehaviour cellBehaviour = grid.GetCellBehaviour(x + i, y);
if (cellBehaviour == null ||
!cellBehaviour.isWalkable ||
grid.GetEntityOnCell(x + i, y) != null)
{
break;
}
pushTargets.Add(new Vector2(x + i, y));
i += qty < 0 ? -1 : 1;
}
}
else if (cell.x - x <= cell.y - y && (cell.x - x) + (cell.y - y) > 0) // Right
{
while (i != qty + incr)
{
CellBehaviour cellBehaviour = grid.GetCellBehaviour(x, y - i);
if (cellBehaviour == null ||
!cellBehaviour.isWalkable ||
grid.GetEntityOnCell(x, y - i) != null)
{
break;
}
pushTargets.Add(new Vector2(x, y - i));
i += qty < 0 ? -1 : 1;
}
}
}