Adding a prologue

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Gouka · #1 Post by **Gouka** » Fri Jul 20, 2007 11:23 pm

I have played the VN of Fate/Stay Night and Tsukihime and both have a prologue that starts before the main game. Is this possible with Ren'py?

Taralen · #2 Post by **Taralen** » Sat Jul 21, 2007 1:34 am

Yes. It's possible.
A good way is putting it in NVL mode.

Doomfest · #3 Post by **Doomfest** » Sat Jul 21, 2007 2:24 am

Isn't there a second way? Like, (Yes, I know, NVL allows for a background heh.
scene black
with fade

or something?

I assume the prologue would be put at the beginning of label start:? Or are you talking about before the main menu? If it's the former, better ask pyton

Ren · #4 Post by **Ren** » Sat Jul 21, 2007 4:26 am

Isn't it a bit like what they did with Cellphone letter?There are notes that you can read only AFTER you played the game, it's reversed but it's similar...I think?

monele · #5 Post by **monele** » Sat Jul 21, 2007 7:01 am

I'm pretty sure it's possible. I've wanted to have such a "pre-menu prologue" for some time but never had the right game for it ^^;...

Anyway, I think the trick is to use the splashscreen label. It displays right when you start the game and once it's over, it goes to the main menu. Now, instead of just putting a "made by someone" message in there, put your whole prologue... or maybe better :

Code: Select all

label splashscreen:
    "Made by someone"
    
    if persistent.seenprologue:
        return  # goes to main menu, like a regular splashscreen
    else:
        jump prologue
    
    
label prologue:
    "This is a prologue"
    
    # ...
    
    "We've reached the end of the prologue"
    # Let's save that fact
    $ persistent.seenprologue = True
    
    return  # goes to main menu

label start:
    "This is the real beginning of the game."
    
    # ...

I just wonder how that would work with saving... Like... if you play straight through the prologue, I'm sure the "return" statement will go back to the main menu... but I'm less sure this will happen if you save and reload during the prologue.

#6 Post by **PyTom** » Sat Jul 21, 2007 8:57 am

Actually, the real problem is that you can't save during a splashscreen. If you fix that, by writing:

Code: Select all

$ _game_menu_screen = "_save_screen"

Then it will work properly.

monele · #7 Post by **monele** » Sat Jul 21, 2007 10:13 am

So we temporarily define the right click menu as the save menu and we're good eh?... or actually, it's not temporary... but we define it earlier than it's usually done (by Ren'Py), right?

#8 Post by **PyTom** » Sat Jul 21, 2007 12:30 pm

Basically right. What happens is that it's first defined in an init block, then the splashscreen code changes it, then it gets changed back when the splashscreen is done.

monele · #9 Post by **monele** » Sat Jul 21, 2007 3:29 pm

And what does the splashscreen change it too ?... a value that says "no saving" ?

#10 Post by **PyTom** » Sat Jul 21, 2007 3:38 pm

Yes, that value is None.

monele · #11 Post by **monele** » Sun Jul 22, 2007 7:11 am

Cool ^.^... learning new stuff everyday

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