init

Assets/Scripts/Tools/DialogueSystem/Dialogue.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[CreateAssetMenu(fileName = "New Character", menuName = "Character")]
+public class Dialogue : ScriptableObject{
+
+    public string characterName;
+    [TextArea] public string[] sentences;
+}

Assets/Scripts/Tools/DialogueSystem/Dialogue.cs.meta

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Assets/Scripts/Tools/DialogueSystem/DialogueSystem.cs

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+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+
+public class DialogueSystem : MonoBehaviour{
+
+    public TextMeshProUGUI nameText;
+    public TextMeshProUGUI dialogueText;
+    public TMP_Animated dialogue;
+
+    public Queue<string> sentences;
+
+    // Start is called before the first frame update
+    void Start(){
+        sentences = new Queue<string>();
+    }
+
+    public void StartDialogue(Dialogue dialogue){
+        nameText.text = dialogue.characterName;
+
+        sentences.Clear();
+
+        foreach(string sentence in dialogue.sentences){
+            sentences.Enqueue(sentence);
+        }
+
+        DisplayNextSentence();
+    }
+
+    public void DisplayNextSentence(){
+        if(sentences.Count == 0){
+            EndDialogue();
+            return;
+        }
+
+        string sentence = sentences.Dequeue();
+        dialogue.ReadText(sentence);
+    }
+
+    void EndDialogue(){
+        Debug.Log("End of conversation.");
+    }
+}

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Assets/Scripts/Tools/DialogueSystem/DialogueTrigger.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DialogueTrigger : MonoBehaviour{
+
+    public Dialogue dialogue;
+
+    /// <summary> Start the dialogue specified on the inspector </summary>
+    public void TriggerDialogue(){
+        FindObjectOfType<DialogueSystem>().StartDialogue(dialogue);
+    }
+}

Assets/Scripts/Tools/DialogueSystem/DialogueTrigger.cs.meta

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Assets/Scripts/Tools/DialogueSystem/TMP_Animated.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+namespace TMPro{
+    [System.Serializable] public class TextRevealEvent : UnityEvent<char> { }
+    [System.Serializable] public class DialogueEvent : UnityEvent { }
+
+    public class TMP_Animated : TextMeshProUGUI{
+
+        float speed;
+
+        public TextRevealEvent onTextReveal;
+        public DialogueEvent onDialogueFinish;
+
+        public void ClearText(){
+            text = string.Empty;
+        }
+
+        public void ReadText(string newText){
+            text = string.Empty;
+
+            string[] subTexts = newText.Split('<', '>');
+
+            string displayText = "";
+            for (int i = 0; i < subTexts.Length; i++){
+                if (i % 2 == 0)
+                    displayText += subTexts[i];
+                else if (!isCustomTag(subTexts[i].Replace(" ", "")))
+                    displayText += $"<{subTexts[i]}>";
+            }
+
+            bool isCustomTag(string tag){
+                return tag.StartsWith("speed=") || tag.StartsWith("pause=");
+            }
+
+            text = displayText;
+            maxVisibleCharacters = 0;
+            StartCoroutine(Read());
+
+            IEnumerator Read(){
+                int subCounter = 0;
+                int visibleCounter = 0;
+                while(subCounter < subTexts.Length){
+                    if(subCounter % 2 == 1){
+                        yield return EvaluateTag(subTexts[subCounter].Replace(" ", ""));
+                    }else{
+                        while(visibleCounter < subTexts[subCounter].Length){
+                            onTextReveal.Invoke(subTexts[subCounter][visibleCounter]);
+                            visibleCounter++;
+                            maxVisibleCharacters++;
+                            yield return new WaitForSecondsRealtime(1f / speed);
+                        }
+                        visibleCounter = 0;
+                    }
+                    subCounter++;
+                }
+                yield return null;
+
+                WaitForSecondsRealtime EvaluateTag(string tag){
+                    if (tag.Length > 0){
+                        if (tag.StartsWith("speed=")){
+                            speed = float.Parse(tag.Split('=')[1]);
+                        }else if (tag.StartsWith("pause=")){
+                            return new WaitForSecondsRealtime(float.Parse(tag.Split('=')[1]));
+                        }
+                    }
+                    return null;
+                }
+
+                onDialogueFinish.Invoke();
+            }
+        }
+    }
+}

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