这是第一个 Unity 开放项目的repo,是 Unity 和社区合作创建的一个小型开源游戏演示,第一款游戏是一款名为 Chop Chop 的动作冒险游戏。
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205 行
6.7 KiB

using System;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.Localization;
using UnityEngine.Serialization;
using UnityEngine.UI;
/// <summary>
/// Takes care of all things dialogue, whether they are coming from within a Timeline or just from the interaction with a character, or by any other mean.
/// Keeps track of choices in the dialogue (if any) and then gives back control to gameplay when appropriate.
/// </summary>
public class DialogueManager : MonoBehaviour
{
// [SerializeField] private ChoiceBox _choiceBox; // TODO: Demonstration purpose only. Remove or adjust later.
[SerializeField]
private List<ActorSO> _actorsList = default;
[SerializeField] private InputReader _inputReader = default;
private int _counterDialogue;
private int _counterLine;
private bool _reachedEndOfDialogue { get => _counterDialogue >= _currentDialogue._Lines.Count; }
private bool _reachedEndOfLine { get => _counterLine >= _currentDialogue._Lines[_counterDialogue].TextList.Count; }
[Header("Listening on channels")]
[SerializeField] private DialogueDataChannelSO _startDialogue = default;
[SerializeField] private DialogueChoiceChannelSO _makeDialogueChoiceEvent = default;
[Header("BoradCasting on channels")]
[SerializeField] private DialogueLineChannelSO _openUIDialogueEvent = default;
[SerializeField] private DialogueChoicesChannelSO _showChoicesUIEvent = default;
[SerializeField] private IntEventChannelSO _endDialogueWithTypeEvent = default;
[SerializeField] private VoidEventChannelSO _continueWithStep = default;
[SerializeField] private VoidEventChannelSO _playIncompleteDialogue = default;
[SerializeField] private VoidEventChannelSO _makeWinningChoice = default;
[SerializeField] private VoidEventChannelSO _makeLosingChoice = default;
[Header("Gameplay Components")]
[SerializeField]
private GameStateSO _gameState = default;
private DialogueDataSO _currentDialogue = default;
private void Start()
{
_startDialogue.OnEventRaised += DisplayDialogueData;
}
/// <summary>
/// Displays DialogueData in the UI, one by one.
/// </summary>
/// <param name="dialogueDataSO"></param>
public void DisplayDialogueData(DialogueDataSO dialogueDataSO)
{
if (_gameState.CurrentGameState != GameState.Cutscene)
_gameState.UpdateGameState(GameState.Dialogue);
_counterDialogue = 0;
_counterLine = 0;
_inputReader.EnableDialogueInput();
_inputReader.advanceDialogueEvent += OnAdvance;
_currentDialogue = dialogueDataSO;
if (_currentDialogue._Lines != null)
{
ActorSO currentActor = _actorsList.Find(o => o.ActorId == _currentDialogue._Lines[_counterDialogue].Actor); // we don't add a controle, because we need a null reference exeption if the actor is not in the list
DisplayDialogueLine(_currentDialogue._Lines[_counterDialogue].TextList[_counterLine], currentActor);
}
else
{
Debug.LogError("Check Dialogue");
}
}
//TODO : Check if there's no dependencies, and remove this function if none
/// <summary>
/// Prepare DialogueManager when first time displaying DialogueData.
/// <param name="dialogueDataSO"></param>
private void BeginDialogue(DialogueDataSO dialogueDataSO)
{
_counterDialogue = 0;
_inputReader.EnableDialogueInput();
_inputReader.advanceDialogueEvent += OnAdvance;
_currentDialogue = dialogueDataSO;
}
/// <summary>
/// Displays a line of dialogue in the UI, by requesting it to the <c>DialogueManager</c>.
/// This function is also called by <c>DialogueBehaviour</c> from clips on Timeline during cutscenes.
/// </summary>
/// <param name="dialogueLine"></param>
public void DisplayDialogueLine(LocalizedString dialogueLine, ActorSO actor)
{
_openUIDialogueEvent.RaiseEvent(dialogueLine, actor);
}
private void OnAdvance()
{
_counterLine++;
if (!_reachedEndOfLine)
{
ActorSO currentActor = _actorsList.Find(o => o.ActorId == _currentDialogue._Lines[_counterDialogue].Actor); // we don't add a controle, because we need a null reference exeption if the actor is not in the list
DisplayDialogueLine(_currentDialogue._Lines[_counterDialogue].TextList[_counterLine], currentActor);
//do
}
else if (_currentDialogue._Lines[_counterDialogue].Choices != null && _currentDialogue._Lines[_counterDialogue].Choices.Count > 0)
{
if (_currentDialogue._Lines[_counterDialogue].Choices.Count > 0)
{
DisplayChoices(_currentDialogue._Lines[_counterDialogue].Choices);
}
}
else
{
_counterDialogue++;
if (!_reachedEndOfDialogue)
{
_counterLine = 0;
ActorSO currentActor = _actorsList.Find(o => o.ActorId == _currentDialogue._Lines[_counterDialogue].Actor); // we don't add a controle, because we need a null reference exeption if the actor is not in the list
DisplayDialogueLine(_currentDialogue._Lines[_counterDialogue].TextList[_counterLine], currentActor);
}
else
{
DialogueEndedAndCloseDialogueUI();
}
}
}
private void DisplayChoices(List<Choice> choices)
{
_inputReader.advanceDialogueEvent -= OnAdvance;
_makeDialogueChoiceEvent.OnEventRaised += MakeDialogueChoice;
_showChoicesUIEvent.RaiseEvent(choices);
}
private void MakeDialogueChoice(Choice choice)
{
_makeDialogueChoiceEvent.OnEventRaised -= MakeDialogueChoice;
switch (choice.ActionType)
{
case ChoiceActionType.ContinueWithStep:
if (_continueWithStep != null)
_continueWithStep.RaiseEvent();
if (choice.NextDialogue != null)
DisplayDialogueData(choice.NextDialogue);
break;
case ChoiceActionType.WinningChoice:
if (_makeWinningChoice != null)
_makeWinningChoice.RaiseEvent();
break;
case ChoiceActionType.LosingChoice:
if (_makeLosingChoice != null)
_makeLosingChoice.RaiseEvent();
break;
case ChoiceActionType.DoNothing:
if (choice.NextDialogue != null)
DisplayDialogueData(choice.NextDialogue);
else
DialogueEndedAndCloseDialogueUI();
break;
case ChoiceActionType.IncompleteStep:
if (_playIncompleteDialogue != null)
_playIncompleteDialogue.RaiseEvent();
if (choice.NextDialogue != null)
DisplayDialogueData(choice.NextDialogue);
break;
}
}
public void CutsceneDialogueEnded()
{
if (_endDialogueWithTypeEvent != null)
_endDialogueWithTypeEvent.RaiseEvent((int)DialogueType.DefaultDialogue);
}
void DialogueEndedAndCloseDialogueUI()
{
//raise the special event for end of dialogue if any
_currentDialogue.FinishDialogue();
//raise end dialogue event
if (_endDialogueWithTypeEvent != null)
_endDialogueWithTypeEvent.RaiseEvent((int)_currentDialogue.DialogueType);
_inputReader.advanceDialogueEvent -= OnAdvance;
_gameState.ResetToPreviousGameState();
if (_gameState.CurrentGameState == GameState.Gameplay || _gameState.CurrentGameState == GameState.Combat)
_inputReader.EnableGameplayInput();
}
}