hellbound/Assets/Scripts/Game/UI/Windows/CoinsCounterWindow.cs

using System.Collections;
using game;
using UnityEngine;
using UnityEngine.UI;

public enum SyncCoinsTextType { ALL, SESSION, SAVE }

public class CoinsCounterWindow : ParameterlessWindow
{
    public Transform CoinFlyTarget => _coinCounter;

    [Header("Prefabs")] [SerializeField] private Camera _coinCameraPrefab;
    [SerializeField] private Text _coinsCount;
    [SerializeField] private RectTransform _coinCounter;

    private ScreenCoins _screenCoins;
    private CoinCamera _coinView;
    private Camera _coinCamera;
    private Camera _gameCamera;

    public override bool NeedShowBackground => false;
    public override int ZOrder => -4;

    private Coroutine _textEffect;

    protected override void OnInit()
    {
        _gameCamera = CameraManager.Main;
        _screenCoins = gameObject.AddComponent<ScreenCoins>();
    }

    protected override void OnShowed()
    {
        _coinCamera = Instantiate(_coinCameraPrefab, Vector3.left * 1000f, Quaternion.identity);
        _coinView = _coinCamera.GetComponent<CoinCamera>();
        _coinCounter.GetComponent<RawImage>().texture = _coinCamera.targetTexture;

        StopTextScaleEffect();
    }

    protected override void OnHidden()
    {
        if (_coinCamera == null)
            return;

        Destroy(_coinCamera.gameObject);
    }


    public void SyncCoinsCounter(SyncCoinsTextType syncType = SyncCoinsTextType.ALL, bool skipAnimation = true)
    {
        int coinsCount = GetCoinsCount(syncType);

        if (skipAnimation == false && gameObject.activeInHierarchy)
            SetCoinsTextWithEffects(coinsCount);
        else
            SetCoinsText(coinsCount);
    }

    private int GetCoinsCount(SyncCoinsTextType syncType)
    {
        switch (syncType)
        {
            case SyncCoinsTextType.ALL:
                return (int)Save.Inventory.GetConsumableItemAmount(EnumConsumable.COIN) + G.Instance.Session.EarnedCoins;
            case SyncCoinsTextType.SESSION:
                return G.Instance.Session.EarnedCoins;
            case SyncCoinsTextType.SAVE:
                return (int)Save.Inventory.GetConsumableItemAmount(EnumConsumable.COIN);
        }

        return 0;
    }

    private void SetCoinsTextWithEffects(int coinsCount)
    {
        PlayTextScaleEffect();
        SetTextWithEffect(coinsCount);
    }

    private void SetCoinsText(int value)
    {
        _coinsCount.text = $"{value}";
    }

    private void SetTextWithEffect(int value)
    {
        int startValue = int.Parse(_coinsCount.text);
        StartCoroutine(Tween.DoTween(0.5f, t =>
        {
            var desiredValue = (int) Mathf.Lerp(startValue, value, t);
            SetCoinsText(desiredValue);
        }));

        _coinView.RotateView();
    }

    private void PlayTextScaleEffect()
    {
        StopTextScaleEffect();
        StartCoroutine(TextScaleEffect());
    }

    private void StopTextScaleEffect()
    {
        if (_textEffect != null)
            StopCoroutine(_textEffect);

        _textEffect = null;
    }

    private IEnumerator TextScaleEffect()
    {
        yield return Tween.DoTween(0.1f, t => { _coinsCount.fontSize += (int) (1.5f * t); });
        yield return Tween.DoTween(0.1f, t => { _coinsCount.fontSize -= (int) (1.5f * t); });
    }

    // public Vector3 WorldToViewportPoint(Vector3 original)
    // {
    //     return _gameCamera.WorldToViewportPoint(original);
    // }
    //
    // public Vector3 ViewportToWorldPoint(Vector3 original)
    // {
    //     return _gameCamera.ViewportToWorldPoint(original);
    // }
    //
    // public Vector3 GetCounterViewportPosition(Vector3 original)
    // {
    //     Vector3 viewPortPosition = _gameCamera.WorldToViewportPoint(_coinCounter.position);
    //     float targetZ = _gameCamera.transform.InverseTransformPoint(original).z;
    //
    //     return _gameCamera.ViewportToWorldPoint(new Vector3(viewPortPosition.x, viewPortPosition.y, targetZ));
    // }

    public Coroutine ShowScreenCoins() => StartCoroutine(ShowScreenCoinsRoutine());

    private IEnumerator ShowScreenCoinsRoutine()
    {
        _screenCoins.Init(15);
        yield return new WaitForSeconds(1f);
        StartCoroutine(_screenCoins.MoveCoins());
        yield return new WaitForSeconds(2f);
    }
}