Overview

WCGASSkillTreeComp is a comprehensive ActorComponent that manages runtime skill tree systems integrated with the Gameplay Ability System. It handles multiple skill trees per character, purchase/refund transactions with confirmation workflows, tree-level and branch-level respec operations, tier gating systems, cross-tree prerequisites, mastery rewards, build presets/templates, transaction history with undo capability, client-side prediction for multiplayer, and save/load persistence.

Core Functionality

• Manages multiple skill trees per character with runtime add/remove capability
• Provides confirmation-based transaction flow (Request → Confirm/Cancel) for purchase, refund, and respec operations
• Supports batch purchase transactions for multi-node purchases in a single atomic operation
• Implements tier gating systems with tree-wide or branch-scoped point requirements
• Handles cross-tree prerequisites allowing nodes to require investments in other skill trees
• Supports branch unlock requirements with race, blessing, class level, and custom requirement checks
• Implements mastery systems at both branch and tree levels with configurable rewards
• Provides build preset creation, comparison, and application for saved builds
• Maintains transaction history with configurable undo grace period
• Supports client-side prediction with automatic rollback on server mismatch
• Integrates with WCGASLevelingComponent for character level requirements
• Integrates with WCGASHeritageComponent for race, blessing, and class level requirements
• Supports async loading for large skill tree assets to prevent hitching
• Replicates tree state to all clients for consistent UI display
• Provides server-side validation delegate for custom anti-cheat and game logic
• Supports starting build presets for NPCs and template characters