/// <summary>
/// Execute gem action.
/// </summary>
private IEnumerator ExecuteActionAsync(GemAction action, GemActionBarrier barrier)
{
barrier.AddTask();
switch (action.type)
{
case GemActionType.Clear:
{
var gem = gemMap[action.coord];
gem.Disappear();
GameManager.Instance.Level.GainScore(action.score);
yield return(new WaitWhile(() => gem.IsAnimating));
gemMap.FreeGem(gem); // Remove the gem from gem map
break;
}
case GemActionType.Swap:
{
var gem1 = gemMap[action.coord];
var gem2 = gemMap[action.destCoord];
// Remove the gem from gem map first to avoid them
// being overlapped by each other
gemMap.FreeGem(gem1);
gemMap.FreeGem(gem2);
gemMap.SetGemCoord(gem1, action.destCoord, true);
gemMap.SetGemCoord(gem2, action.coord, true);
yield return(new WaitWhile(() => gem1.IsAnimating || gem2.IsAnimating));
break;
}
case GemActionType.Move:
{
var gem = gemMap[action.coord];
gemMap.SetGemCoord(gem, action.destCoord, true);
yield return(new WaitWhile(() => gem.IsAnimating));
break;
}
case GemActionType.Create:
{
var gem = GemFactory.Instance.CreateGem(action.gemType);
gemMap.AddGem(gem, action.coord, true);
yield return(new WaitWhile(() => gem.IsAnimating));
break;
}
case GemActionType.Transform:
{
var newGem = GemFactory.Instance.CreateGem(action.gemType);
// Old gem will be removed from the map automatically
gemMap.SetGemCoord(newGem, action.coord);
break;
}
}
// Wait for one frame
yield return(null);
barrier.RemoveTask();
}
