public void ShiftGridInOppositeDirection(GridManager.Direction shipDirection)
{
// Deactivate column/row of cells that are going to "leak" after the shift
DeactivateLeakingCells(shipDirection);
// Shift the grid in the opposite direction of the ship
ShiftCells(shipDirection);
// Mark the left-over column/row as null
EmptyCells(shipDirection);
}
void EmptyCells(GridManager.Direction shipDirection)
{
// Create new column/row of cells that are "empty" after the shift
int x = 0, y = 0;
if (shipDirection == GridManager.Direction.Right)
{
// The right column is empty
x = size - 1;
}
else if (shipDirection == GridManager.Direction.Down)
{
// The bottom row is empty
y = size - 1;
}
// Get direction
switch (shipDirection)
{
case GridManager.Direction.Left:
case GridManager.Direction.Right:
// Go though a column of cells, and empty cell
for (y = 0; y < size; ++y)
{
//Debug.Log("Empty cell: (" + x + " x " + y + ')');
// Only set the cell to null; do not deactivate it
grid[x, y] = null;
}
break;
default:
// Go though a row of cells, and empty cell
for (x = 0; x < size; ++x)
{
// Generate a new cell
//Debug.Log("Empty cell: (" + x + " x " + y + ')');
// Only set the cell to null; do not deactivate it
grid[x, y] = null;
}
break;
}
}
void DeactivateLeakingCells(GridManager.Direction shipDirection)
{
// Deactivate column/row of cells that are going to "leak" after the shift
int x = 0, y = 0;
if (shipDirection == GridManager.Direction.Left)
{
// The right column will leak
x = size - 1;
}
else if (shipDirection == GridManager.Direction.Up)
{
// The bottom row will leak
y = size - 1;
}
switch (shipDirection)
{
case GridManager.Direction.Left:
case GridManager.Direction.Right:
// Go though a column of cells
for (y = 0; y < size; ++y)
{
// Deactivate the cells
//Debug.Log("Leaking cell: (" + x + " x " + y + ')');
this[x, y] = null;
}
break;
default:
// Go though a row of cells
for (x = 0; x < size; ++x)
{
// Deactivate the cells
//Debug.Log("Leaking cell: (" + x + " x " + y + ')');
this[x, y] = null;
}
break;
}
}
void ShiftCells(GridManager.Direction shipDirection)
{
// Shift the grid in the opposite direction of the ship
int x = 0, y = 0;
Vector3 newCenterPosition;
switch (shipDirection)
{
case GridManager.Direction.Left:
// Shift all cells to the right
newCenterPosition = grid[(sizeHalf - 1), sizeHalf].Position;
//Debug.Log("Moving center from " + CenterPosition.ToString() + " to " + newCenterPosition.ToString());
for (x = (size - 1); x > 0; --x)
{
for (y = 0; y < size; ++y)
{
//Debug.Log("Shift cell: (" + (x - 1) + " x " + y + ") to (" + x + " x " + y + ')');
grid[x, y] = grid[(x - 1), y];
// Setup the cell to the new position
SetupCell(ref grid[x, y], x, y, newCenterPosition);
}
}
break;
case GridManager.Direction.Right:
// Shift all cells to the left
newCenterPosition = grid[(sizeHalf + 1), sizeHalf].Position;
//Debug.Log("Moving center from " + CenterPosition.ToString() + " to " + newCenterPosition.ToString());
for (x = 0; x < (size - 1); ++x)
{
for (y = 0; y < size; ++y)
{
//Debug.Log("Shift cell: (" + (x + 1) + " x " + y + ") to (" + x + " x " + y + ')');
grid[x, y] = grid[(x + 1), y];
// Setup the cell to the new position
SetupCell(ref grid[x, y], x, y, newCenterPosition);
}
}
break;
case GridManager.Direction.Up:
// Shift all cells to the down
newCenterPosition = grid[sizeHalf, (sizeHalf - 1)].Position;
//Debug.Log("Moving center from " + CenterPosition.ToString() + " to " + newCenterPosition.ToString());
for (x = 0; x < size; ++x)
{
for (y = (size - 1); y > 0; --y)
{
//Debug.Log("Shift cell: (" + x + " x " + (y - 1) + ") to (" + x + " x " + y + ')');
grid[x, y] = grid[x, (y - 1)];
// Setup the cell to the new position
SetupCell(ref grid[x, y], x, y, newCenterPosition);
}
}
break;
default:
// Shift all cells to the up
newCenterPosition = grid[sizeHalf, (sizeHalf + 1)].Position;
//Debug.Log("Moving center from " + CenterPosition.ToString() + " to " + newCenterPosition.ToString());
for (x = 0; x < size; ++x)
{
for (y = 0; y < (size - 1); ++y)
{
//Debug.Log("Shift cell: (" + x + " x " + (y + 1) + ") to (" + x + " x " + y + ')');
grid[x, y] = grid[x, (y + 1)];
// Setup the cell to the new position
SetupCell(ref grid[x, y], x, y, newCenterPosition);
}
}
break;
}
}
