add basic dialogue system and interactable interface

Assets/DialogueManager.cs

@@ -0,0 +1,71 @@
+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+
+public class DialogueManager : MonoBehaviour
+{
+    private Queue<string> sentences;
+    private Dialogue currentDialogue;
+
+    public TextMeshProUGUI nameText;
+    public TextMeshProUGUI dialogueText;
+
+    public Animator animator;
+
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        sentences = new Queue<string>();
+    }
+
+    public void StartDialogue(Dialogue dialogue)
+    {
+        animator.SetBool("IsOpen", true);
+
+        sentences.Clear();
+        currentDialogue = dialogue;
+        nameText.text = dialogue.charName;
+
+        foreach (string sentence in dialogue.sentences)
+        {
+            sentences.Enqueue(sentence);
+        }
+
+        currentDialogue.isActive = true;
+        DisplayNextSentence();
+    }
+
+    public void DisplayNextSentence()
+    {
+        if (sentences.Count == 0)
+        {
+            EndDialogue();
+            return;
+        }
+
+        string sentence = sentences.Dequeue();
+        StopAllCoroutines();
+        StartCoroutine(TypeSentence(sentence));
+    }
+
+    public void EndDialogue()
+    {
+        animator.SetBool("IsOpen", false);
+
+        if (currentDialogue != null)
+        {
+            currentDialogue.isActive = false;
+        }
+    } 
+
+    IEnumerator TypeSentence(string sentence)
+    {
+        dialogueText.text = "";
+        foreach (char c in sentence.ToCharArray())
+        {
+            dialogueText.text += c;
+            yield return new WaitForSeconds(0.01f);
+        }
+    }
+}