private void OnBrickClick(Brick brick)
{
if (GameStateController.GameState != GameState.Play)
{
return;
}
var triggered = new HashSet <Brick>();
var bricksToCheck = new Queue <Brick>();
var checkedBricks = new HashSet <Brick>();
bricksToCheck.Enqueue(brick);
while (bricksToCheck.Count > 0)//check all neighbours to trigger by type
{
var targetBrick = bricksToCheck.Dequeue();
if (checkedBricks.Contains(targetBrick))
{
continue;
}
triggered.Add(targetBrick);
//check left
if (targetBrick.PosX > 0)
{
var leftBrick = bricks[targetBrick.PosY][targetBrick.PosX - 1];
if (leftBrick != null && targetBrick.IsTriggerWith(leftBrick))
{
bricksToCheck.Enqueue(leftBrick);
}
}
//check right
if (targetBrick.PosX < Width - 1)
{
var rightBrick = bricks[targetBrick.PosY][targetBrick.PosX + 1];
if (rightBrick != null && targetBrick.IsTriggerWith(rightBrick))
{
bricksToCheck.Enqueue(rightBrick);
}
}
//check top
if (targetBrick.PosY < Height - 1)
{
var topBrick = bricks[targetBrick.PosY + 1][targetBrick.PosX];
if (topBrick != null && targetBrick.IsTriggerWith(topBrick))
{
bricksToCheck.Enqueue(topBrick);
}
}
//check bottom
if (targetBrick.PosY > 0)
{
var bottomBrick = bricks[targetBrick.PosY - 1][targetBrick.PosX];
if (bottomBrick != null && targetBrick.IsTriggerWith(bottomBrick))
{
bricksToCheck.Enqueue(bottomBrick);
}
}
checkedBricks.Add(targetBrick);
}
if (triggered.Count < countToTrigger)
{
return;
}
GameStateController.SetState(GameState.AnimateFall);
var activatedBricks = new HashSet <Brick>();
var collectedBricks = new HashSet <Brick>();
//Execute triggered bricks behaviours
foreach (var triggeredBrick in triggered)
{
Activate(triggeredBrick, activatedBricks, collectedBricks);
}
//Collect triggered bricks
foreach (var collectedBrick in collectedBricks)
{
bricks[collectedBrick.PosY][collectedBrick.PosX] = null;
collectedBrick.OnClick -= OnBrickClick;
GameStateController.CollectResources(collectedBrick.Resources);
GameObject.DestroyImmediate(collectedBrick.gameObject);
}
currentSpeed = fallingSpeed;
RecalculatePositions();
}
