Table des matières

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YAML Syntax — Base

The YAML format is the modern JDR-Bot scenario format. It is easier to read, easier to edit, and more powerful than the legacy .txt format.

File Structure

title: "My scenario"
description: "A short adventure made with JDR-Bot."
markdown: story
font: serif

vars:
  hp:
    value: 10
    description: "Health points"

rooms:
  - id: start
    text: |
      You wake up in a dark forest.
      A light glows in the distance.
    choices:
      - command: forward
        button: "Move toward the light"
        to: clearing
      - command: wait
        button: "Stay where you are"
        to: bad_end

  - id: clearing
    text: "You reach a moonlit clearing."
    events:
      - if: ~
        end: victory
        text: "You found the way out!"

Root Keys

Key Description Required
title: Scenario title. yes
description: Description shown in the scenario catalogue and standalone export. no
markdown: Global text rendering: none, fix, bold, italic, quote, story, or a code-block language. no
size: Default text size in pixels. no
font: Default font: serif, monospace, cursive, Georgia, etc. no
background: Default text-block background on web/desktop. no
text-color: Default text color on web/desktop. no
vars: Global numeric variables. no
text_vars: Global text variables. no
online_vars: Persistent variables shared across playthroughs. no
options: Permanent toolbar buttons. no
global_aliases: Reusable button labels. no
tags: Reusable behavior groups. no
models: Reusable room models. no
global_events: Events available in every room. no
global_actions: Custom actions available everywhere. no
global_timers: Timers that survive room changes. no
global_events_order: Global event order: before or after. no
rooms: Scenario rooms. yes

Room Structure

- id: room_id
  num: 3                # optional explicit number; must stay increasing in YAML order
  button: "Home"        # label inherited by choices pointing to this room
  text: "..."
  background: "#111827"
  text-color: "#f5f0d8"

  init:
    - var: die
      value: "%=1:6"

  objects:
    - name: key
      location: table
      description: "An old rusty key."
      pickup_text: "You take the key."

  events:
    - if: "v_hp_v <= 0"
      to: game_over
      text: "You collapse."

  choices:
    - command: go
      button: "Go there"
      to: destination
      if: ~

  actions:
    - verb: inspect
      target: chest
      if: ~
      text_ok: "An old locked chest."

  hud:
    position: top
    text: "HP: v_hp_v"

Room Numbers

By default, rooms are numbered in YAML order. num: can preserve historical room numbers, but explicit numbers must be strictly increasing in the exported document. In the editor, reordering rooms in the left list changes that export order.

Endings

events:
  - if: ~
    end: victory
    text: "Winning ending."

  - if: ~
    end: defeat
    text: "Losing ending."

Important Rules

See Also