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Rich Text & BBCode

BBCode tags, meta clickable links, and RichTextEffect shaders define formatted text systems.

rich_text_rainbow_effect.gd

Expert custom RichTextEffect that rotates colors over time.

rich_text_glitch_effect.gd

Professional horror-style glitch effects with spatial jitter and alpha flickering.

rich_text_typewriter_controller.gd

Dialogue manager that parses sequential event tags ([pause], [speed]) during animations.

rich_text_meta_dispatch.gd

Advanced handling for multi-prefix URLs in meta-clicks (items, quests, NPCs).

rich_text_image_scaler.gd

Utility to dynamically scale [img] tags to match runtime font sizes.

rich_text_hover_reactive.gd

Signals and logic for making text spans reactive to mouse hover (SFX/Cursors).

rich_text_bbcode_sanitizer.gd

Security utility to prevent BBCode injection in public chat interfaces.

rich_text_gradient_generator.gd

Generator for multi-stop linear gradients using granular character-level tagging.

rich_text_auto_scroller.gd

Smooth vertical auto-scrolling logic for credits, news feeds, and logs.

rich_text_syntax_highlighter.gd

Simple regex-based syntax highlighting pattern for code blocks in UI.

NEVER Do (Expert UI Rules)

Formatting & Rendering

• NEVER use complex BBCode in tight loops — Parsing a 10,000 character string with 500 tags every frame will tank performance. Cache your formatted strings.
• NEVER forget to register Custom Effects — Writing the script isn't enough. You MUST add the instance to RichTextLabel.custom_effects list via Inspector or install_effect().
• NEVER use absolute pixel sizes in [img] — [img width=128] fails on higher resolutions. Use rich_text_image_scaler.gd to sync with line height.

Click & Hover UX

• NEVER use [url] without visual feedback — If the text doesn't change color on hover or the cursor doesn't change, players won't know it's clickable. Use rich_text_hover_reactive.gd.
• NEVER perform heavy logic insidemeta_clicked — This signal is on the Main Thread. Use it to emit a command and handle processing asynchronously if needed.

Dialogue & Narrative

• NEVER usevisible_ratio for pausing typewriter — visible_ratio is unreliable for per-character logic. Use visible_characters and explicit character indexing (rich_text_typewriter_controller.gd).
• NEVER allow unfiltered user input in Chat Labels — A user could type [img]huge_image_path[/img] or [color=transparent] to break your UI. ALWAYS use rich_text_bbcode_sanitizer.gd.

$RichTextLabel.bbcode_enabled = true
$RichTextLabel.text = "[b]Bold[/b] and [i]italic[/i] text"

Common Tags

[b]Bold[/b]
[i]Italic[/i]
[u]Underline[/u]
[color=red]Red text[/color]
[color=#00FF00]Green hex[/color]
[center]Centered[/center]
[img]res://icon.png[/img]
[url=data]Clickable link[/url]

Handle Link Clicks

func _ready() -> void:
    $RichTextLabel.meta_clicked.connect(_on_meta_clicked)

func _on_meta_clicked(meta: Variant) -> void:
    print("Clicked: ", meta)

Reference

• Godot Docs: BBCode in RichTextLabel

Related

• Master Skill: godot-master

Weekly Installs

77

Repository

thedivergentai/…c-skills

GitHub Stars

59

First Seen

Feb 10, 2026

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Installed on

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