private void Update()
{
//Wait until level filling ends
if (_levelIsFilling)
{
return;
}
//Wait until switching animation ends
if (_firstTile != null && _secondTile != null)
{
if (_firstTile.Element.IsAnimating || _secondTile.Element.IsAnimating)
{
return;
}
}
//Perform matching
if (_currentMatchingStrategy != null)
{
if (TryMatching(_currentMatchingStrategy))
{
//Forget previous move
_firstTile = null;
_secondTile = null;
StartCoroutine(FillInTheLevel());
return;
}
else
{
//Undo last move
if (_firstTile != null && _secondTile != null)
{
SwitchElements(_firstTile, _secondTile);
}
_currentMatchingStrategy = null;
return;
}
}
// if there is no animations get user interaction
if (Input.GetMouseButtonDown(0))
{
var mousePosition = Input.mousePosition;
mousePosition = _mainCamera.ScreenToWorldPoint(mousePosition);
mousePosition.z = -1.0f;
Physics.Raycast(mousePosition, new Vector3(0, 0, 1), out _hit, _tileLayers);
if (_hit.transform != null)
{
var hitTile = _hit.transform.GetComponent <TileController> ();
if (hitTile != null)
{
if (_firstTile == null)
{
_firstTile = hitTile;
_firstTile.Element.IsSelected = true;
}
else
{
_secondTile = hitTile;
_secondTile.Element.IsSelected = true;
//Deselect item
if (_secondTile == _firstTile)
{
_secondTile = null;
_firstTile.Element.IsSelected = false;
_firstTile = null;
}
}
//Switch pair selected - perform switch
if (_firstTile != null && _secondTile != null)
{
_firstTile.Element.IsSelected = false;
_secondTile.Element.IsSelected = false;
SwitchElements(_firstTile, _secondTile);
_currentMatchingStrategy = _firstTile.Element.Model.Strategy;
if (_currentMatchingStrategy == null)
{
_currentMatchingStrategy = _standartMatchingStategy;
}
}
}
}
}
}
public override bool TryMatch(FieldController field, TileController firstTile, TileController secondTile)
{
//TODO: destroy all the Elements in +-1,+-1 radius
return(base.TryMatch(field, firstTile, secondTile));
}
public override bool TryMatch(FieldController field, TileController firstTile, TileController secondTile)
{
_field = field;
//Loop through each element on the field
for (var t = 0; t < _field.Rows.Count; t++)
{
for (var k = 0; k < _field.Rows [t].Tiles.Count; k++)
{
if (_field.Rows [t].Tiles [k].IsEmpty)
{
continue;
}
var currentElement = _field.Rows [t].Tiles [k].Element;
_horizontalLine = new List <ElementController> ();
_verticalLine = new List <ElementController> ();
GetHorizontalMatch(currentElement, t, k);
GetVerticalMatch(currentElement, t, k);
if (_horizontalLine.Count > 1)
{
currentElement.MarkedToDestroy = true;
foreach (var element in _horizontalLine)
{
element.MarkedToDestroy = true;
}
}
if (_verticalLine.Count > 1)
{
currentElement.MarkedToDestroy = true;
foreach (var element in _verticalLine)
{
element.MarkedToDestroy = true;
}
}
}
}
bool retVal = false;
foreach (var row in _field.Rows)
{
foreach (var tile in row.Tiles)
{
if (!tile.IsEmpty && tile.Element.MarkedToDestroy)
{
retVal = true;
tile.Element.Destroy();
tile.Element = null;
}
}
}
return(retVal);
}