Version Agnostic State Management in Video Games
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Solution Overview
Problem
As video games grow in size and complexity, managing state data becomes increasingly difficult, particularly when changes occur, leading to version incompatibility issues that cause game saves to be incompatible between different versions, resulting in problems like progression locking and region locking due to unvalidated state dependencies.
Innovation Solution
A version agnostic centralized state management system using node graphs and automated state dependency validation to maintain and validate states across different versions of a video game, allowing for minimal configuration and addressing issues of version incompatibility and state dependency validation during gameplay.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If video games grow in size and complexity, then more virtual entities and features can be implemented, but state data management becomes increasingly difficult
Solution Approach 1:
The system segments state data into a hierarchical node graph structure where each node represents a specific virtual entity or game state. This segmentation allows complex state data to be organized into manageable components with clear parent-child relationships, making it easier to track and manage state across different parts of the game system.
Solution Approach 2:
The node graph acts as an intermediary layer between the game engine and state data storage. It provides a standardized interface for managing state data, translating complex game requirements into structured state operations, and mediating between different game systems that need to access or modify state.
2Adaptability or versatility
If video game aspects are subject to change over development, then game features can be updated, but version incompatibility arises causing game saves to be incompatible
Solution Approach 1:
The system performs preliminary validation of state data before applying updates. By checking node dependencies and validating state transitions in advance, the system ensures that updates can be applied consistently across different versions without causing incompatibility issues in existing game saves.
Solution Approach 2:
The system uses versioned state schemas that allow parameters to change between versions while maintaining backward compatibility. The node graph structure enables selective parameter updates, allowing new features to be added or existing ones to be modified without breaking compatibility with older save files.
3Productivity
If state data is updated without validation, then updates can be applied quickly, but progression locking and region locking issues occur
Solution Approach 1:
The system implements automated feedback loops that validate state dependencies after updates are applied. The node graph structure provides built-in feedback mechanisms that check whether state changes violate any defined dependencies, allowing the system to detect and prevent progression locking or region locking issues automatically.
Data Source
AI summary
A state system providing version agnostic centralized state management can use node graphs corresponding to virtual entities to maintain a world state among any version of a video game. As states to virtual entities change, corresponding nodes of the node graph are updated in response to the state change to account for and store the state change. As a data structure referencing, associating, and/or corresponding to virtual entities themselves, the node graph can facilitate centralized state management for a video game in a version agnostic manner. Additionally, the state system is also configured to validate node dependencies of a node graph when a corresponding change in state of a corresponding virtual entity occurs during gameplay, to avoid and/or prevent game state errors.