DnD Game Rolls

A D&D 5e dice roller with both CLI and 3D visualization in a single binary!
Powered by Bevy game engine with real physics simulation.

Screenshots

3D Dice Simulator

Rolling Dice	Results Display

Command Input	Command History

Installation

Windows Installer (Recommended for Windows)

Download the latest MSI installer from the Releases page:

• dndgamerolls-installer.msi - Full Windows installer with Start Menu shortcut and PATH integration

Or download the portable ZIP:

• dndgamerolls-x86_64-pc-windows-msvc.zip - Portable executable

Linux (DEB Package)

Download the .deb package from Releases and install:

sudo dpkg -i dndgamerolls_*.deb

sudo apt-get install -f  # Install dependencies if needed

From crates.io

cargo install dndgamerolls

Using cargo-binstall (Fast Binary Install)

cargo binstall dndgamerolls

From Source

git clone https://github.com/edgarhsanchez/dndgamerolls.git

cd dndgamerolls

cargo build --release

The executable will be at: target/release/dndgamerolls.exe

Usage

3D Mode (Default)

Simply run without --cli to launch the 3D dice simulator:

# Launch 3D simulator with default d20

dndgamerolls


# Launch with specific dice

dndgamerolls --dice 2d6 --dice 1d20


# Launch with skill modifier applied

dndgamerolls --dice 1d20 --checkon stealth

CLI Mode

Use --cli for headless command-line rolling:

# Roll dice with skill modifier (no GUI)

dndgamerolls --cli --dice 2d10 --checkon perception


# Roll with advantage

dndgamerolls --cli --dice 1d20 --checkon stealth --advantage


# Traditional subcommands also work

dndgamerolls skill stealth

dndgamerolls --advantage skill perception

dndgamerolls attack dagger

dndgamerolls stats

Quick Examples

# View character stats

dndgamerolls stats


# Skill check with expertise

dndgamerolls skill stealth

# 🎲 Stealth Check (Expertise)

# Roll: 15 + 9 = 24


# Skill check with advantage

dndgamerolls --advantage skill perception


# Attack roll with damage

dndgamerolls attack dagger


# CLI mode: Roll 2d10 + perception modifier

dndgamerolls --cli --dice 2d10 --checkon perception

For more examples, see the screenshots directory.

3D Dice Simulator

A visual 3D dice rolling experience with physics simulation.

Controls

Command Input Mode

Press / or Enter to open command input, then type commands like:

• --dice 2d6 --checkon stealth - Roll 2d6 with stealth modifier
• 1d20 --checkon perception - Roll d20 with perception modifier
• --dice 1d20 --dice 1d8 --modifier 3 - Roll multiple dice with bonus

Press 1-9 to quickly reroll from command history shown on the right.

Features

• 🎲 All standard D&D dice types (D4, D6, D8, D10, D12, D20)
• ⚡ Real-time physics simulation with Rapier3D
• ⚖️ Size-based dice weight (D20 is heavier than D4, affects rolling)
• 🎨 Crystal-themed translucent dice with size variation
• 📦 Glass dice box with realistic bouncing
• 🎯 Automatic result detection when dice stop
• 💡 Dynamic lighting and shadows
• 📝 Command history for quick rerolls
• 🎮 Mouse-controlled throw direction with 3D arrow indicator
• 📊 Quick roll panel for skills, saves, and ability checks
• ⚙️ Settings panel with customizable background color
• 📋 Character sheet editor with full D&D 5e support
• ℹ️ DnD Info tab with rules reference
• 👥 Contributors tab with GitHub profile avatars (loaded at runtime)
• � Auto-recovery for dice that fall out of bounds

CLI Mode

The CLI mode provides quick command-line dice rolling without the 3D GUI.

Traditional Subcommands

# Ability Checks

dndgamerolls strength      # or str

dndgamerolls dexterity     # or dex


# Skill Checks

dndgamerolls skill stealth

dndgamerolls skill perception


# Saving Throws

dndgamerolls save dex

dndgamerolls save wisdom


# Attack Rolls

dndgamerolls attack shortsword

dndgamerolls attack dagger


# View Character Stats

dndgamerolls stats

Advanced CLI Mode

Use --cli with --dice and --checkon for flexible dice rolling:

# Roll 2d10 with perception modifier

dndgamerolls --cli --dice 2d10 --checkon perception


# Roll 1d20 with stealth and advantage

dndgamerolls --cli --dice 1d20 --checkon stealth --advantage


# Roll multiple dice types

dndgamerolls --cli --dice 1d20 --dice 2d6 --modifier 5


# Add custom modifier

dndgamerolls --cli --dice 3d8 --modifier 10

Advantage/Disadvantage

Add --advantage or --disadvantage before the subcommand:

dndgamerolls --advantage skill stealth

dndgamerolls --disadvantage attack shortsword

dndgamerolls --cli --dice 1d20 --checkon perception --advantage

Custom Character File

By default, the tool looks for dnd_stats.json in the current directory. You can specify a different file:

dndgamerolls -f path/to/character.json intelligence

Features

• 🎲 D&D 5e compliant rolls (d20 + modifier)
• ✨ Advantage/Disadvantage support
• 🎨 Colored output with critical success/failure highlighting
• 📊 Displays both dice roll and final total
• 🎯 Automatic modifier calculation from character stats
• 🗡️ Attack rolls with weapon stats
• 💾 Loads character data from JSON file
• 🎭 Shows expertise on relevant skills

D&D Rules Implemented

• Natural 20: Critical success (highlighted in green)
• Natural 1: Critical failure (highlighted in red)
• Advantage: Roll twice, take the higher result
• Disadvantage: Roll twice, take the lower result
• Proficiency Bonus: Automatically applied to proficient saves/skills
• Expertise: Double proficiency bonus (shown in character stats)

Character File Format

The tool expects a JSON file with your character stats. See dnd_stats.json for the full structure.

Building for Release

cargo build --release

Copy the executable to a directory in your PATH for easy access:

# Windows
copy target\release\dndgamerolls.exe C:\Users\YourName\.cargo\bin\

# Or install directly from source
cargo install --path .

Now you can run dndgamerolls from anywhere!

License

See LICENSE for details.