SceneLoader.cs

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using UnityEngine;
using HKI.Core.Loc;
using HKI.Core.Init;

namespace HKI.Core.Scenes
{
    public class SceneLoader : ScriptableObject, IInit
    {
        // Public variables
        [SerializeField] [Scene] string LoadingScene = "";

        [SerializeField] GameObject SceneLoaderControllerPrefab = null;

        [SerializeField] Language TextLanguage = null;

        [SerializeField] bool DoFading = true;
        [SerializeField] float FadeInTime = 1.0f;
        [SerializeField] float FadeOutTime = 1.0f;

        // Private variables
        GameObject sceneLoaderControllerGO = null;
        SceneLoaderController sceneLoaderController = null;

        // Init function
        public void Init()
        {
            if(string.IsNullOrEmpty(LoadingScene))
                Debug.LogError("(SceneLoader) the LoadingScene is null!");

            if(SceneLoaderControllerPrefab != null)
            {
                sceneLoaderControllerGO = GameObject.Instantiate<GameObject>(SceneLoaderControllerPrefab);
                sceneLoaderController = sceneLoaderControllerGO.GetComponent<SceneLoaderController>();

                if(sceneLoaderController == null)
                    Debug.LogError("(SceneLoader) the SceneLoaderControllerPrefab has no SceneLoaderController attached to it!");
                else
                    DontDestroyOnLoad(sceneLoaderControllerGO);
            }
            else
                Debug.LogError("(SceneLoader) the SceneLoaderControllerPrefab is null!");
        }

        // OnDisable function
        void OnDisable()
        {
            if(sceneLoaderControllerGO != null)
                Destroy(sceneLoaderControllerGO);
        }
        
        // Interface function
        public void ChangeText(TextLocalization textLocalization)
        {
            if(sceneLoaderController != null)
                sceneLoaderController.ChangInfoText(textLocalization, TextLanguage);
            else
                Debug.LogError("(SceneLoader) you are trying to change the info text but there is no SceneLoaderController available. (Maybe the loading scene doesn't have one or you are using direct load)");
        }

        public SceneLoaderController GetSceneLoaderController()
        {
            return sceneLoaderController;
        }


        public void LoadSceneDirect(string scene)
        {
            LoadScene(scene, true);
        }

        public void LoadSceneIndirect(string scene)
        {
            LoadScene(scene, false);
        }

        public void LoadSceneAdditively(string scene)
        {
            if(sceneLoaderController == null)
            {
                Debug.LogError("(SceneLoader) you are trying to load a scene but there is no SceneLoaderController available. (Maybe the loading scene doesn't have one or you are using direct load)");
                return;
            }

            sceneLoaderController.LoadSceneAdditively(scene);
        }
        
        public void QuitApplication()
        {
            Application.Quit();
        }

        // Helper functions
        void LoadScene(string scene, bool directLoad)
        {
            if (sceneLoaderController == null)
            {
                Debug.LogError("(SceneLoader) you are trying to load a scene but there is no SceneLoaderController available. (Maybe the loading scene doesn't have one or you are using direct load)");
                return;
            }

            sceneLoaderController.LoadScene(LoadingScene, scene, directLoad, FadeInTime, FadeOutTime, DoFading);
        }
    }
}