void OnTouchReleased(Vector3 position)
{
if (_isPressed)
{
// Check if items is null
if (_items == null)
{
_items = new MapItem[rows, columns];
}
int row = -1;
int column = -1;
if (GetCell(position, ref row, ref column))
{
if (_selectedRow == row && _selectedColumn == column)
{
if (_itemType.IsFrog())
{
MapItem mapItem = _items[row, column];
if (mapItem != null)
{
// Get direction
Direction direction = _itemType.GetDirection();
// Find a frog
GameObject frog = mapItem.item.FindChild("Frog");
if (frog != null)
{
Destroy(frog);
if (direction == _direction)
{
// Reset start cell
_startRow = -1;
_startColumn = -1;
}
else
{
// Replace frog
frog = Instantiate(_itemPrefab) as GameObject;
frog.name = "Frog";
frog.transform.SetParent(mapItem.item.transform);
frog.transform.localPosition = Vector3.zero;
// Set direction
_direction = direction;
}
}
else
{
if (_startRow >= 0 && _startColumn >= 0)
{
GameObject foothold = _items[_startRow, _startColumn].item;
// There is only one frog
if (foothold != null)
{
foothold.DestroyChild("Frog");
}
}
// Create frog
frog = Instantiate(_itemPrefab) as GameObject;
frog.name = "Frog";
frog.transform.SetParent(mapItem.item.transform);
frog.transform.localPosition = Vector3.zero;
// Set start cell
_startRow = row;
_startColumn = column;
// Set direction
_direction = direction;
}
}
}
else
{
// Add item
if (_items[row, column] == null)
{
AddItem(_itemType, _itemPrefab, row, column);
}
else
{
Destroy(_items[row, column].item);
// Remove item
if (_items[row, column].type == _itemType)
{
_items[row, column] = null;
}
// Replace item
else
{
AddItem(_itemType, _itemPrefab, row, column);
}
if (row == _startRow && column == _startColumn)
{
// Reset start cell
_startRow = -1;
_startColumn = -1;
}
}
}
}
}
}
}