void Card(GameObject card)
{
if (card.GetComponent <CardFace>().selectable)
{
if (selected == null || selected != card)
{
selected = card;
originPosition = selected.transform.position;
CardColorYellow(selected);
//ignore by raycast if they are being moveds
selected.layer = 2;
}
else if (selected == card)
{
int foundationIndx = solitaire.IntoAllFoundations(selected);
if (selected.transform.childCount == 0 && foundationIndx == -1)
{
//when the same card clicked twice
//put the card into fountains if possible
//otherwise put the card into available free cell
//don't move the card if it already in the free cell
int freeCellIndx = solitaire.FreeCell("");
if (freeCellIndx != -1)
{
ICommand command = new FreeCellCommand(freeCellIndx, selected, originPosition);
CommandInvoker.AddCommand(command);
}
}
else if (foundationIndx != -1)
{
ICommand command = new FoundationCommand(selected, originPosition, foundationIndx);
CommandInvoker.AddCommand(command);
}
selected.layer = 0;
selected = null;
}
}
else if (selected != null)
{
CardColorWhite(selected);
selected = null;
//warn the player that this card is not selectable
}
}
void MouseInput()
{
if (Input.GetMouseButtonDown(0))
{
if (selected != null)
{
ResetCard(selected);
}
//get origin mouse position for drag calculation
mousePosition = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 0f));
RaycastHit2D hit = Physics2D.Raycast(mousePosition, Vector2.zero);
if (hit)
{
if (hit.collider.CompareTag("Card"))
{
Card(hit.collider.gameObject);
}
if (hit.collider.CompareTag("Foundation"))
{
selected = null;
}
}
else
{
selected = null;
}
}
//when dragging, card moves with mouse
if (Input.GetMouseButton(0))
{
float deltaX = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 0f)).x - mousePosition.x;
float deltaY = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 0f)).y - mousePosition.y;
if (selected != null)
{
selected.transform.position = new Vector3(originPosition.x + deltaX, originPosition.y + deltaY, -0.35f);
}
}
if (Input.GetMouseButtonUp(0))
{
if (selected != null && selected.transform.position != originPosition)
{
Debug.Log("mouse up");
mousePosition = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 0f));
RaycastHit2D hit = Physics2D.Raycast(mousePosition, Vector2.zero);
if (hit)
{
//when card drag to another card
if (hit.collider.CompareTag("Card"))
{
Debug.Log(hit.collider.name);
if (Stackable(selected, hit.collider.gameObject))
{
ICommand command = new StackCommand(selected, hit.collider.gameObject, originPosition);
CommandInvoker.AddCommand(command);
CardColorWhite(selected);
selected.layer = 0;
selected = null;
}
}
//when card drag to foundation area
if (hit.collider.CompareTag("Foundation"))
{
int foundationIndx = solitaire.IntoAllFoundations(selected);
if (foundationIndx == -1)
{
ResetCard(selected);
}
else
{
ICommand command = new FoundationCommand(selected, originPosition, foundationIndx);
CommandInvoker.AddCommand(command);
}
CardColorWhite(selected);
selected = null;
}
//when card drag to an empty cascade
if (hit.collider.CompareTag("Empty Cascade"))
{
//check if the cascade is really empty
if (hit.collider.transform.childCount == 0)
{
ICommand command = new EmptyCascadeCommand(selected, hit.collider.gameObject, originPosition);
CommandInvoker.AddCommand(command);
CardColorWhite(selected);
selected.layer = 0;
selected = null;
}
}
//when card drag to free cell
if (hit.collider.CompareTag("Free Cell"))
{
if (selected.transform.childCount == 0)
{
int freeCellIndx = hit.collider.transform.GetSiblingIndex();
if (solitaire.freeCells[freeCellIndx] == "")
{
////remove from the free cell if the card is in it
ICommand command = new FreeCellCommand(freeCellIndx, selected, originPosition);
CommandInvoker.AddCommand(command);
CardColorWhite(selected);
selected.layer = 0;
selected = null;
}
}
}
}
else
{
ResetCard(selected);
//selected = null;
}
if (selected != null)
{
ResetCard(selected, false);
}
}
}
}