Pixel Crushers Forum

Posted: **Sat Mar 16, 2019 10:24 pm**

Hi,
I'm sorry I have so many questions. I'm just trying to get everything setup so I can focus on writing more quests.
Anyway, am I able to add a completely new quest state? I've read some other posts and it looks like you're not really adding a new state, it's just putting a different name on an old state. I need a whole new state that will show up in all the other controls. I looked at the QuestState.CS and I don't want to add to it and screw it up if it is limited or something.

What I'm needing to do is say NPC with exclamation over head means quest is Unassigned, NPC grey Question mark means quest is active, yellow question mark means (NOT SUCCESSFUL but you did what he wanted.) then when you turn in the item is becomes successful and there is no indicator or there could be a new exclamation if he has another quest.

If I can assign a new state in the QuestState I'd like to do that so I can use it thoughout.

So basically, I need a state that says quest has been completed but not yet turned in.
Because if I use success for the last state then it goes to the completed section of the log. I don't want it out of the log until they've turned it in and gotten their reward.

Thanks

Posted: **Sun Mar 17, 2019 9:35 am**

You can assign replacement functions (delegates) without directly modifying the source code. Otherwise when you import a Dialogue System update you'll lose your changes.

Internally, the Dialogue System stores its data in Lua. Each quest's state is a string. For example:

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Quest["chazpea/yellowskull"].State = "unassigned"

For this example, to keep it short let's use the word "preempted" for the state "NOT SUCCESSFUL but you did what he wanted". This is valid in Lua:

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Quest["chazpea/yellowskull"].State = "preempted"

or, using the SetQuestState() function:

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SetQuestState("chazpea/yellowskull", "preempted")

Or, in C# code:

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QuestLog.SetQuestState("chazpea/yellowskull", "preempted");

To get the value in C# code:

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string state = QuestLog.CurrentQuestState("chazpea/yellowskull");

In some inspectors, you'll need to manually enter:

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SetQuestState("chazpea/yellowskull", "preempted")

instead of using quest state dropdowns because those dropdowns offer a "preempted" option.

In some places you'll want the Dialogue System will treat "preempted" the same as "unassigned". In other places, such as overhead indicators, you'll override the default behavior to recognize that it's different from "unassigned". Assign a delegate to QuestLog.StringToState to tell it to treat "preempted" the same as "unassigned" by default:

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QuestLog.StringToState = CustomStringToState;

public static QuestState CustomStringToState(string s)
{
    // Treat "preempted" the same as "unassigned":
    if (s == "preempted") return QuestState.Unassigned;
    else return QuestLog.DefaultStringToState(s);
}

Now the Dialogue System will handle "preempted" like unassigned everywhere except where you override that behavior, which is what we'll do next.

From your description, I think the only place where you want to handle "preempted" differently is overhead indicators. To do this, write a replacement for QuestStateListener.cs. Update the class name, and replace these two lines:

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public QuestState questState;

with this:

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public string questState;

The rest should work as-is. Let's say you name your replacement CustomQuestStateListener. Just add this script to your NPC instead of QuestStateListener.

Posted: **Sun Mar 17, 2019 11:54 am**

Are you talking about the main QuestStateListener or the Wrapper? Because I'm getting all kinds of errors if I change that line from the full script.

And the quest states are drop downs with no option to write in a custom state.

Posted: **Sun Mar 17, 2019 12:21 pm**

It looks like a lot of the errors are because it expects the class to be called QuestStateListener not CustomQuestStateListener.

The errors:

Posted: **Sun Mar 17, 2019 12:38 pm**

OK, I inherited from QuestStateListener and all the errors are gone except for the second image.

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public void UpdateIndicator()
        {
            // Check quest state:
            var questState = QuestLog.GetQuestState(questName);
            for (int i = 0; i < questStateIndicatorLevels.Length; i++)
            {
                var questStateIndicatorLevel = questStateIndicatorLevels[i];
               [b][u] if (questState == questStateIndicatorLevel.questState && questStateIndicatorLevel.condition.IsTrue(null))
                {[/u][/b]
                    if (DialogueDebug.logInfo) Debug.Log("Dialogue System: " + name + ": Quest '" + questName + "' changed to state " + questState + ".", this);
                    if (questStateIndicator != null) questStateIndicator.SetIndicatorLevel(this, questStateIndicatorLevel.indicatorLevel);
                    questStateIndicatorLevel.onEnterState.Invoke();
                }
            }

the bold underlined part is the error. I see you're getting the questState var above. Should I change that or the bold code?
It's obviously an error because it's trying to compare a string with a state enum.

Posted: **Sun Mar 17, 2019 12:46 pm**

Sorry for the delay. I'm out of the office for a couple of hours but I'll be back soon and will reply with an answer then.

Posted: **Sun Mar 17, 2019 12:50 pm**

No worries man, It's Sunday. Do what you gotta do. I'm just doing my thing here and writing as things come up. I'm not trying to blow anything up. I'm just sort of brainstorming and posting as I go.

Posted: **Sun Mar 17, 2019 3:29 pm**

Okay, I'm back!

Here's an example scene (exported in 2018.2):

CustomQuestStateExample_2019-03-17.unitypackage

I also included an updated QuestStateListener.cs script that will be in version 2.1.3. Methods are now virtual, which makes it simpler to write the subclass. Egbert is on the left, Chazpea is on the right.

In CustomQuestStateListener, you'll see that the quest state dropdowns have been replaced by text fields so you can type in new quest states such as "preempted".

Posted: **Sun Mar 17, 2019 4:03 pm**

That's great thank you! I've been sitting here trying this and that to hook into QuestStateListener and it just wasn't happening.

So, do I keep the CustomQuestState on the manager?

Posted: **Sun Mar 17, 2019 4:04 pm**

nvm got my answer from the scene

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