Dialogue Graph Skill
This skill provides a dialogue_graph module to easily build valid dialogue trees/graphs.
When to use
- •Script Parsers: When converting text to data.
- •Dialogue Editors: When building tools to edit conversation flow.
- •Game Logic: When traversing a dialogue tree.
- •Visualization: When generating visual diagrams of dialogue flows.
How to use
Import the module:
python
from dialogue_graph import Graph, Node, Edge
1. The Graph Class
The main container.
python
graph = Graph()
2. Adding Nodes
Define content nodes.
python
# Regular line graph.add_node(Node(id="Start", speaker="Guard", text="Halt!", type="line")) # Choice hub graph.add_node(Node(id="Choices", type="choice"))
3. Adding Edges
Connect nodes (transitions).
python
# Simple transition graph.add_edge(Edge(source="Start", target="Choices")) # Choice transition (with text) graph.add_edge(Edge(source="Choices", target="End", text="1. Run away"))
4. Export
Serialize to JSON format for the engine.
python
data = graph.to_dict()
# returns {"nodes": [...], "edges": [...]}
json_str = graph.to_json()
5. Validation
Check for integrity.
python
errors = graph.validate() # Returns list of strings, e.g., ["Edge 'Start'->'Unk' points to missing node 'Unk'"]
6. Visualization
Generate a PNG/SVG graph diagram.
python
# Requires: pip install graphviz
# Also requires Graphviz binary: https://graphviz.org/download/
graph.visualize('dialogue_graph') # Creates dialogue_graph.png
graph.visualize('output', format='svg') # Creates output.svg
The visualization includes:
- •Diamond shapes for choice nodes (light blue)
- •Rounded boxes for dialogue nodes (colored by speaker)
- •Bold blue edges for skill-check choices like
[Lie],[Attack] - •Gray edges for regular choices
- •Black edges for simple transitions
7. Loading from JSON
Load an existing dialogue graph.
python
# From file
graph = Graph.from_file('dialogue.json')
# From dict
graph = Graph.from_dict({'nodes': [...], 'edges': [...]})
# From JSON string
graph = Graph.from_json(json_string)