From 29e260072df6762a362ab0dd9fb3769faa4260ee Mon Sep 17 00:00:00 2001
From: Amaan Shawkath <amaanshaw@live.co.uk>
Date: Sat, 8 Jul 2023 13:49:16 +0100
Subject: [PATCH] initial setup of dialogue panel and updating some scripts

---
 Assets/Scripts/DialogueSystem/Dialogue.cs     |  4 +-
 .../DialogueSystem/DialogueController.cs      |  2 +
 Assets/Scripts/DialogueSystem/UI.meta         |  8 ++
 .../DialogueSystem/UI/DialoguePanel.cs        | 95 +++++++++++++++++++
 .../DialogueSystem/UI/DialoguePanel.cs.meta   | 11 +++
 5 files changed, 118 insertions(+), 2 deletions(-)
 create mode 100644 Assets/Scripts/DialogueSystem/UI.meta
 create mode 100644 Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs
 create mode 100644 Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs.meta

diff --git a/Assets/Scripts/DialogueSystem/Dialogue.cs b/Assets/Scripts/DialogueSystem/Dialogue.cs
index f466b53..82e63c7 100644
--- a/Assets/Scripts/DialogueSystem/Dialogue.cs
+++ b/Assets/Scripts/DialogueSystem/Dialogue.cs
@@ -5,12 +5,12 @@ using UnityEngine;
 [System.Serializable]
 public class Dialogue
 {
-    [SerializeField] private string m_dialogueText;
+    public string text;
 }
 
 public class QuestionData
 {
-    public string[] m_questions = new string[] 
+    public static string[] Questions = new string[] 
     { 
         "Who are you?", 
         "Tell me something about yourself.", 
diff --git a/Assets/Scripts/DialogueSystem/DialogueController.cs b/Assets/Scripts/DialogueSystem/DialogueController.cs
index 95fbc00..21160db 100644
--- a/Assets/Scripts/DialogueSystem/DialogueController.cs
+++ b/Assets/Scripts/DialogueSystem/DialogueController.cs
@@ -4,6 +4,8 @@ using UnityEngine;
 
 public class DialogueController : MonoBehaviour
 {
+    [SerializeField] private DialoguePanel m_dialoguePanel;
+
     // TODO: 
     // - Load the correct character based on the character who has been interacted with
     // - Display the 5 question options and hook up their responses
diff --git a/Assets/Scripts/DialogueSystem/UI.meta b/Assets/Scripts/DialogueSystem/UI.meta
new file mode 100644
index 0000000..7c57c01
--- /dev/null
+++ b/Assets/Scripts/DialogueSystem/UI.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 0bd66c3ec3a21b440be0d261ae3eaf95
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs b/Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs
new file mode 100644
index 0000000..7bf2541
--- /dev/null
+++ b/Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs
@@ -0,0 +1,95 @@
+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class DialoguePanel : MonoBehaviour
+{
+    [SerializeField] private Transform m_questionHolder;
+    [SerializeField] private Button m_questionButton;
+
+    [SerializeField] private TMP_Text m_characterNameText;
+    [SerializeField] private TMP_Text m_characterText;
+
+    private const float TypingSpeed = 0.02f;
+
+    private CharacterData m_currentCharacter;
+    private bool m_skipped = false;
+
+    private void Start()
+    {
+        PopulateQuestionButtons();
+    }
+
+    public void Setup(CharacterData characterData)
+    {
+        Cleanup();
+
+        m_currentCharacter = characterData;
+        m_characterNameText.text = characterData.name;
+
+        // TODO: will this be changed with an introductory text?
+        m_characterText.text = "Select an option...";
+    }
+
+    private void Cleanup()
+    {
+        m_skipped = false;
+        m_characterText.text = "";
+
+        StopAllCoroutines();
+    }
+
+    // Populates the questions the player can ask the NPC.
+    private void PopulateQuestionButtons()
+    {
+        for (int i = 0; i < QuestionData.Questions.Length; i++)
+        {
+            var buttonObj = Instantiate(m_questionButton, m_questionHolder);
+            
+            // Sets the button text to the question text.
+            var buttonText = buttonObj.GetComponentInChildren<TMP_Text>();
+            buttonText.text = QuestionData.Questions[i];
+
+            var button = buttonObj.GetComponent<Button>();
+            button.onClick.AddListener(() => OnQuestionButtonClicked(i));
+        }
+    }
+
+    private IEnumerator DisplayText(string text)
+    {
+        // Hide the questions whilst the character is talking.
+        m_questionHolder.gameObject.SetActive(false);
+
+        foreach (char letter in text.ToCharArray())
+        {
+            if (m_skipped)
+            {
+                break;
+            }
+
+            m_characterText.text += letter;
+            yield return new WaitForSeconds(TypingSpeed);
+        }
+
+        m_skipped = true;
+        m_characterText.text = text;
+
+        // Re-enable the questions.
+        m_questionHolder.gameObject.SetActive(true);
+    }
+
+    // Handles displaying the correct dialogue for the question.
+    private void OnQuestionButtonClicked(int index)
+    {
+        Debug.Log("Player picked option " + index);
+
+        Cleanup();
+
+        var dialogueOption = m_currentCharacter.m_dialogueOptions[index];
+        StartCoroutine(DisplayText(dialogueOption.text));
+
+        // TODO: we should update the sheet with this information.
+    }
+}
diff --git a/Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs.meta b/Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs.meta
new file mode 100644
index 0000000..0c15dab
--- /dev/null
+++ b/Assets/Scripts/DialogueSystem/UI/DialoguePanel.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 91eb3fe780abca14d9a12fb493b16fd6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: