ProjectDDD/Assets/_DDD/_Scripts/CameraSystem/CameraManager.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using Sirenix.OdinInspector;
using Unity.Cinemachine;

namespace DDD
{
    public enum CameraType
    {
        None = 0,
        RestaurantBaseCamera = 1
    }
    
    public class CameraManager : Singleton<CameraManager>, IManager
    {
        [ShowInInspector, ReadOnly]
        private Dictionary<CameraType, CameraGameObject> _cameraGameObjects = new();
        
        private CinemachineBrain _cinemachineBrain;

        public void PreInit()
        {
            _cinemachineBrain = GetComponent<CinemachineBrain>();
        }

        public Task Init()
        {
            return Task.CompletedTask;;
        }

        public void PostInit()
        {
            
        }

        public void RegisterCamera(CameraGameObject cameraGameObject)
        {
            _cameraGameObjects.TryAdd(cameraGameObject.CameraType, cameraGameObject);
        }

        public void UnRegisterCamera(CameraGameObject cameraGameObject)
        {
            _cameraGameObjects.Remove(cameraGameObject.CameraType);
        }
        
        public void SwitchCamera(CameraType cameraType, CinemachineBlendDefinition.Styles blendStyle = CinemachineBlendDefinition.Styles.Cut, float blendDuration = 1f)
        {
            _cinemachineBrain.DefaultBlend = new CinemachineBlendDefinition(blendStyle, blendDuration);
            foreach (var item in _cameraGameObjects)
            {
                int newPriority = item.Value.CameraType == cameraType ? 10 : 0;
                item.Value.SetPriority(newPriority);
            }
        }
        
        public CameraGameObject GetCameraGameObject(CameraType cameraType) => _cameraGameObjects[cameraType];
    }
}