Slingerbult
started a tutorial thread ten years ago where dialogues have been discussed thoroughly, and
Pim_gd
made one of his own as a continuation/organizer. I do recommend checking them both:
What's This? This is a guide for writing your own SDT dialogues. Custom dialogues come in very different levels of complexity, from a few simple lines of spoken text to complex hypnotic adventures, from interactive eroge mini-games to fully automated hentai scenes. Your imagination is the only...
www.undertow.club
This is kinda still a work in progress. Red words are things I need to change/test/update/delete. Additionally, I'm wondering what I should write for Tips & Tricks with Loader Dialogues - you have all the building blocks already, so do you guys need help illustrating how you'd do something...
www.undertow.club
IMHO, the best way to get used to dialogue writing is by tweaking already existing ones more to your liking, starting from vanilla ones.
krizalid
made a loader pack long ago (many things in it aren't up-to-date) which contained plenty of vanilla dialogues:
Finally I finished my masterpiece as a collection of 666 girls for Mod Loader. After the start Loader wait until 333 mods load moreclothing. After this go to Modding section and load file 666 Girls BackUp Char List.sdt from Char List BackUp option. New girls appears in game menu and all have...
www.undertow.club
I've found myself looking through them and selecting one as the basis for my own (mostly unfinished and unpublished) creations many times. Once you're used to it, you can start adding things on your own.
Aside from that, I highly recommend using Notepad++ with
DrZombi
's Helper Bundle's syntax colouring, for it helps a lot in locating possible mistakes you might make:
With all that said, don't forget that your most important tool is your own brain. Oh, and having pen and paper at hand for sketching flow diagrams.