a5c-ai/unreal-blueprint

Unreal Blueprint Skill

Blueprint visual scripting for Unreal Engine development.

Overview

This skill provides capabilities for implementing gameplay logic using Unreal Engine's Blueprint visual scripting system.

Capabilities

Event Graphs

• Create gameplay events
• Handle input events
• Implement tick logic
• Manage event dispatchers

Functions and Macros

• Create reusable functions
• Implement blueprint macros
• Handle local variables
• Manage pure functions

Variables and Data

• Create exposed variables
• Implement struct handling
• Manage data tables
• Handle enumerations

Blueprint Communication

• Implement interfaces
• Use event dispatchers
• Handle casting
• Manage component references

Prerequisites

• Unreal Engine 5.0+
• Blueprint editor knowledge

Usage Patterns

Event Dispatcher Pattern

1. Create Custom Event Dispatcher in source Blueprint
2. Bind to dispatcher in receiving Blueprint
3. Call dispatcher on events
4. Handle in bound functions

Blueprint Interface

1. Create Blueprint Interface asset
2. Add function signatures
3. Implement interface in Blueprints
4. Call interface functions on actors

Component-Based Design

1. Create Actor Component Blueprint
2. Implement reusable logic
3. Add component to actors
4. Access via Get Component

Best Practices

1. Use functions for reusable logic
2. Keep event graphs organized
3. Comment complex sections
4. Use interfaces over casting
5. Profile with Blueprint Profiler

References

• Blueprint Documentation