private IEnumerator Swap(MatrixIndex indexA, MatrixIndex indexB, bool returning = false)
{
SetBusy(true);
AudioSource.PlayClipAtPoint(swapClip, _camera.transform.position);
var speed = swapSpeed * transform.lossyScale.x;
_grid.GetValue(indexA).SetPosition(_grid.GetWorldPositionFromIndex(indexB), speed);
_grid.GetValue(indexB).SetPosition(_grid.GetWorldPositionFromIndex(indexA), speed);
var tempGem = _grid.GetValue(indexA);
_grid.SetValue(indexA, _grid.GetValue(indexB));
_grid.SetValue(indexB, tempGem);
yield return(new WaitForSeconds(stepTime));
if (!returning)
{
ProcessSwap(indexA, indexB);
}
else
{
SetBusy(false);
}
}
public void SelectGemWithPosition(Vector2 position)
{
if (!_busy)
{
_selectedIndex = _grid.GetIndexFromWorldPosition(position);
}
}
public Match GetRowMatch(MatrixIndex index, Gem gem)
{
var matchIndexes = new List <MatrixIndex> {
index
};
matchIndexes.AddRange(GetRowRightGems(index, gem));
matchIndexes.AddRange(GetRowLeftGems(index, gem));
if (matchIndexes.Count < 3)
{
matchIndexes.Clear();
}
return(new Match(matchIndexes));
}
public Match GetColumnMatch(MatrixIndex index, Gem gem)
{
var matchIndexes = new List <MatrixIndex> {
index
};
matchIndexes.AddRange(GetColumnDownGems(index, gem));
matchIndexes.AddRange(GetColumnUpGems(index, gem));
if (matchIndexes.Count < 3)
{
matchIndexes.Clear();
}
return(new Match(matchIndexes));
}
private void CheckForMatches()
{
var matches = new List <Match>();
for (int i = 0; i < _grid.GetHeight(); i++)
{
for (int j = 0; j < _grid.GetWidth(); j++)
{
var index = new MatrixIndex(i, j);
var gem = _grid.GetValue(index);
var rowMach = _finder.GetRowMatch(index, gem);
var columnMatch = _finder.GetColumnMatch(index, gem);
if (rowMach.Count() > 0)
{
if (!matches.Exists(match => match == rowMach))
{
matches.Add(rowMach);
}
}
if (columnMatch.Count() > 0)
{
if (!matches.Exists(match => match == columnMatch))
{
matches.Add(columnMatch);
}
}
}
}
if (matches.Count > 0)
{
ClearMatches(matches);
}
else
{
if (!_finder.HasPossibleMatch())
{
ShuffleGrid();
}
SetBusy(false);
}
}
public List <MatrixIndex> GetRowLeftGems(MatrixIndex index, Gem gem)
{
var gems = new List <MatrixIndex>();
while (index.j > 0)
{
index.j--;
var testGem = _grid.GetValue(index);
if (!testGem || !testGem.CompareTag(gem.tag))
{
break;
}
gems.Add(index);
}
return(gems);
}
public List <MatrixIndex> GetColumnDownGems(MatrixIndex index, Gem gem)
{
var gems = new List <MatrixIndex>();
while (index.i < _grid.GetHeight() - 1)
{
index.i++;
var testGem = _grid.GetValue(index);
if (!testGem || !testGem.CompareTag(gem.tag))
{
break;
}
gems.Add(index);
}
return(gems);
}
private void ProcessSwap(MatrixIndex indexA, MatrixIndex indexB)
{
var gemA = _grid.GetValue(indexA);
var rowMachFromA = _finder.GetRowMatch(indexA, gemA);
var columnMatchFromA = _finder.GetColumnMatch(indexA, gemA);
var gemB = _grid.GetValue(indexB);
var rowMachFromB = _finder.GetRowMatch(indexB, gemB);
var columnMatchFromB = _finder.GetColumnMatch(indexB, gemB);
if (rowMachFromA.Count() == 0 && columnMatchFromA.Count() == 0 &&
rowMachFromB.Count() == 0 && columnMatchFromB.Count() == 0)
{
StartCoroutine(Swap(indexA, indexB, true));
}
else
{
var matches = new List <Match>();
if (rowMachFromA.Count() > 0)
{
matches.Add(rowMachFromA);
}
if (columnMatchFromA.Count() > 0)
{
matches.Add(columnMatchFromA);
}
if (rowMachFromB.Count() > 0)
{
matches.Add(rowMachFromB);
}
if (columnMatchFromB.Count() > 0)
{
matches.Add(columnMatchFromB);
}
ClearMatches(matches);
}
}
public Vector2 GetWorldPositionFromIndex(MatrixIndex index)
{
var myTransform = transform;
return((Vector2)myTransform.position + new Vector2(index.j, -index.i) * myTransform.lossyScale);
}
public void SetValue(MatrixIndex index, Gem gem)
{
_grid[index.j, index.i] = gem;
}
public Gem GetValue(MatrixIndex index)
{
return(GetValue(index.i, index.j));
}
/// <summary>
/// Matrix Index Assignment operator.
/// </summary>
/// <param name="MatrixIndex">Matrix Index</param>
/// <param name="Operand">Operand.</param>
/// <param name="Start">Start position in script expression.</param>
/// <param name="Length">Length of expression covered by node.</param>
/// <param name="Expression">Expression containing script.</param>
public MatrixIndexAssignment(MatrixIndex MatrixIndex, ScriptNode Operand, int Start, int Length, Expression Expression)
: base(MatrixIndex.LeftOperand, MatrixIndex.MiddleOperand, MatrixIndex.RightOperand, Operand, Start, Length, Expression)
{
}
public bool WouldCreateMatch(MatrixIndex index, Gem gem)
{
return(GetColumnMatch(index, gem).Count() > 0 || GetRowMatch(index, gem).Count() > 0);
}
public void ClearGemSelection()
{
_selectedIndex = new MatrixIndex(-1, -1);
}
