feat: add ScriptManager for VN Gaming

Assets/_MAIN/Scripts/Core/ScriptManager.cs

@@ -0,0 +1,213 @@
+using System.Collections.Generic;
+using PrimeTween;
+using TMPro;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+public class ScriptManager : MonoBehaviour
+{
+    [SerializeField]
+    TextAsset scriptFile;
+
+    [SerializeField]
+    TextMeshProUGUI speakerText;
+
+    [SerializeField]
+    TextMeshProUGUI dialogueText;
+
+    [SerializeField]
+    private GameObject choiceButtonPrefab;
+
+    [SerializeField]
+    private Transform choiceButtonContainer;
+
+    [SerializeField]
+    float charsPerSecond = 45f;
+
+    private readonly float shakeAmount = 1.1f;
+    private bool isChoiceAvailable = false;
+    private Tween dialogueTween;
+    private Script _currentScript;
+
+    void Start()
+    {
+        speakerText.SetText(" ");
+        speakerText.ForceMeshUpdate(true);
+        dialogueText.SetText(" ");
+        dialogueText.ForceMeshUpdate(true);
+
+        _currentScript = ScriptParser.Parse(scriptFile.text);
+    }
+
+    void Update()
+    {
+        DisplayEffects(dialogueText);
+        if (!isChoiceAvailable && !IsPointerOverInteractiveUI() && (Input.GetMouseButtonDown(0) || Input.GetKeyDown(KeyCode.Space)))
+        {
+            if (dialogueTween.isAlive)
+                dialogueTween.Complete();
+            else
+                NextStep();
+        }
+
+    }
+
+    public void DebugReload()
+    {
+        speakerText.SetText(" ");
+        speakerText.ForceMeshUpdate(true);
+        dialogueText.SetText(" ");
+        dialogueText.ForceMeshUpdate(true);
+
+        _currentScript = ScriptParser.Parse(scriptFile.text);
+    }
+
+    private void NextStep()
+    {
+        if (_currentScript.HasNextAction())
+        {
+            ScriptAction action = _currentScript.Continue();
+            ExecuteAction(action);
+            return;
+        }
+
+        Debug.Log("ScriptManager :: End of Script");
+    }
+
+    private void ExecuteAction(ScriptAction action)
+    {
+        if (action.Type == "scene")
+        {
+            string sceneName = action.GetParam("name");
+            Debug.Log($"ScriptManager :: Change Scene: {sceneName}");
+            NextStep();
+            return;
+        }
+        if (action.Type == "bg")
+        {
+            string bgFile = action.GetParam("file");
+            Debug.Log($"ScriptManager :: Change Background: {bgFile}");
+            NextStep();
+            return;
+        }
+        if (action.Type == "spk")
+        {
+            string speaker = action.GetParam("name");
+            speakerText.SetText(speaker);
+            speakerText.ForceMeshUpdate(true);
+            NextStep();
+            return;
+        }
+        if (action.Type == "msg")
+        {
+            string dialogue = action.GetParam("content");
+            DisplayDialogue(dialogue);
+            return;
+        }
+        if (action.Type == "goto")
+        {
+            string targetScene = action.GetParam("scene");
+            _currentScript.JumpTo(targetScene);
+            NextStep();
+            return;
+        }
+        if (action.Type == "choices")
+        {
+            Debug.Log("ScriptManager :: Show Choices");
+            isChoiceAvailable = true;
+
+            foreach (var choice in action.Choices)
+            {
+                string text = choice["content"];
+                string target = choice["goto"];
+                GameObject buttonObj = Instantiate(choiceButtonPrefab, choiceButtonContainer);
+                buttonObj.GetComponentInChildren<TextMeshProUGUI>().text = text;
+                buttonObj
+                    .GetComponent<Button>()
+                    .onClick.AddListener(() =>
+                    {
+                        foreach (Transform child in choiceButtonContainer)
+                            Destroy(child.gameObject);
+
+                        isChoiceAvailable = false;
+                        _currentScript.JumpTo(target);
+                        NextStep();
+                    });
+            }
+            return;
+        }
+    }
+
+    private bool IsPointerOverInteractiveUI()
+    {
+        PointerEventData eventData = new PointerEventData(EventSystem.current);
+        eventData.position = Input.mousePosition;
+        List<RaycastResult> results = new List<RaycastResult>();
+        EventSystem.current.RaycastAll(eventData, results);
+
+        foreach (RaycastResult result in results)
+            if (result.gameObject.GetComponent<Selectable>() != null)
+                return true;
+
+        return false;
+    }
+
+    private void DisplayDialogue(string text)
+    {
+        // Unity 내부 최적화로 인해 줄이 바뀔 시 LinkInfo 배열이 초기화되지 않음.
+        // 따라서 수동으로 초기화를 수행.
+        dialogueText.textInfo.linkInfo = new TMP_LinkInfo[0];
+        dialogueText.SetText(text);
+        dialogueText.ForceMeshUpdate(true);
+        dialogueText.maxVisibleCharacters = 0;
+
+        dialogueTween = Tween.Custom(
+            startValue: 0f,
+            endValue: dialogueText.textInfo.characterCount,
+            duration: dialogueText.textInfo.characterCount / charsPerSecond,
+            onValueChange: x => dialogueText.maxVisibleCharacters = Mathf.RoundToInt(x),
+            ease: Ease.Linear
+        );
+    }
+
+    private void DisplayEffects(TextMeshProUGUI text)
+    {
+        text.ForceMeshUpdate(true);
+
+        TMP_TextInfo textInfo = text.textInfo;
+        TMP_LinkInfo[] linkInfo = textInfo.linkInfo;
+
+        Mesh mesh = text.mesh;
+        Vector3[] vertices = mesh.vertices;
+
+        foreach (var link in linkInfo)
+        {
+            string linkName = link.GetLinkID();
+            int start = link.linkTextfirstCharacterIndex;
+            int end = link.linkTextfirstCharacterIndex + link.linkTextLength;
+
+            for (var i = start; i < end; i++)
+            {
+                TMP_CharacterInfo c = textInfo.characterInfo[i];
+                int idx = c.vertexIndex;
+
+                if (!c.isVisible)
+                    continue; // 공백은 VertexIndex 0 Return -> Visible이 안 되므로
+
+                if (linkName == "shake")
+                {
+                    Vector3 offset = new Vector3(
+                        Random.Range(-shakeAmount, shakeAmount),
+                        Random.Range(-shakeAmount, shakeAmount)
+                    );
+                    for (byte j = 0; j < 4; j++)
+                        vertices[idx + j] += offset;
+                }
+            }
+        }
+
+        mesh.vertices = vertices;
+        text.canvasRenderer.SetMesh(mesh);
+    }
+}