/// <summary>
/// запустить взрыв шаров одного и того же типа
/// </summary>
/// <param name="startBall"></param>
public void StartPopSequence(BallConnected startBall)
{
HashSet <BallConnected> ballsToPop = new HashSet <BallConnected>();
//находим все шары, которые надо лопнуть
foreach (var ball in GetConnectedBlockSameType(startBall, null))
{
ballsToPop.Add(ball);
}
if (ballsToPop.Count > 1)
{
//лопаем шары
foreach (var ball in ballsToPop)
{
if (allBalls.Values.Contains(ball))
{
ball.PopBall();
RemoveBall(ball);
}
}
DropUnHangBalls();
}
else
{
startBall.HangUp();
}
}
/// <summary>
/// Все шары того же типа, что и стартовый, до которых можно дойти.
/// </summary>
/// <param name="startBall">Начальный шар</param>
/// <param name="checkedBalls"></param>
/// <returns></returns>
private HashSet <BallConnected> GetConnectedBlockSameType(BallConnected startBall, List <BallConnected> checkedBalls)
{
if (checkedBalls == null)
{
checkedBalls = new List <BallConnected>();
}
var connected = new HashSet <BallConnected>();
checkedBalls.Add(startBall);
foreach (var checkBall in FindNeighboors(startBall.GridPos))
{
if (checkedBalls.Contains(checkBall))
{
continue;
}
if (checkBall.Type == startBall.Type)
{
var subconnected = GetConnectedBlockSameType(checkBall, checkedBalls);
foreach (var ball in subconnected)
{
connected.Add(ball);
}
}
checkedBalls.Add(checkBall);
}
connected.Add(startBall);
return(connected);
}
/// <summary>
/// поставить шар на поле
/// </summary>
/// <param name="toBall"></param>
/// <param name="atPosition"></param>
/// <param name="type"></param>
public void ConnectBall(BallConnected toBall, Vector2 atPosition, BallType type)
{
Vector2 ballPosition = toBall.transform.position;
float hitAngle = Vector2.SignedAngle(Vector2.up, (ballPosition - atPosition).normalized);
Vector2Int gridPos = GetNeighboorGridCellByAngle(toBall.GridPos, hitAngle);
BallConnected newBall = Instantiate(ballPref, GetOffsetByGridPos(gridPos),
Quaternion.identity, startSpawn);
newBall.ChangeType(type);
newBall.SetOnGrid(gridPos);
allBalls.Add(gridPos, newBall);
StartPopSequence(newBall);
_gameController.LoadBall();
}
/// <summary>
/// Пробить шар насквозь и занять его место
/// </summary>
/// <param name="ballConnected"></param>
public void SmackBall(BallConnected ballConnected, BallType newType)
{
ballConnected.PopBall();
RemoveBall(ballConnected);
BallConnected newBall = Instantiate(ballPref, GetOffsetByGridPos(ballConnected.GridPos),
Quaternion.identity, startSpawn);
newBall.ChangeType(newType);
newBall.SetOnGrid(ballConnected.GridPos);
allBalls.Add(ballConnected.GridPos, newBall);
StartPopSequence(newBall);
_gameController.LoadBall();
}
/// <summary>
/// Создать поле шаров
/// </summary>
/// <returns></returns>
public Dictionary <Vector2Int, BallConnected> GenerateBalls()
{
allBalls = new Dictionary <Vector2Int, BallConnected>();
var textFile = Resources.Load <TextAsset>(levelName);
List <string> lines = new List <string>(textFile.text.Split('\n'));
for (int l = 0; l < lines.Count; l++)
{
string line = lines[l];
for (int i = 0; i < line.Length; i++)
{
if (Char.GetNumericValue(line[i]) >= 0)
{
BallConnected newBall = Instantiate(ballPref, GetOffsetByGridPos(new Vector2Int(i, l)), Quaternion.identity, startSpawn);
newBall.name = i + "," + l;
Vector2Int gridPos = new Vector2Int(i, l);
newBall.SetOnGrid(gridPos);
if (l == 0)
{
newBall.HangUp();
minHangBalls++;
}
newBall.ChangeType(loadBallTypes[Int32.Parse(line[i].ToString())]);
allBalls.Add(gridPos, newBall);
}
}
}
foreach (var ball in allBalls)
{
if (FindNeighboors(ball.Value.GridPos).Any(b => b.Hanging))
{
ball.Value.HangUp();
}
}
minHangBalls *= 0.3f;
return(allBalls);
}
private void RemoveBall(BallConnected theBall)
{
allBalls.Remove(theBall.GridPos);
}