public List <TTCardData> GetRandomCardData(int count)
{
if (count > _cardData.Length)
{
Debug.LogError($"Card data is less than request count {count}");
return(null);
}
List <TTCardData> randomCards = new List <TTCardData>();
int[] candidatesOfIndex = Enumerable.Range(0, _cardData.Length).ToArray();
int candidateRange = candidatesOfIndex.Length;
for (int i = 0; i < count; i++)
{
int randomCandidateIndex = Random.Range(0, candidateRange);
int newCardIndex = candidatesOfIndex[randomCandidateIndex];
Swap(ref candidatesOfIndex[randomCandidateIndex], ref candidatesOfIndex[candidateRange - 1]);
candidateRange -= 1;
TTCardData newCard = _cardData[newCardIndex];
randomCards.Add(newCard);
}
return(randomCards);
}
public TTCard(TTCardData data, int playerId)
{
cardData = data;
rankDifference = 0;
belongPlayerId = playerId;
}