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# Workers & Resources Under the Hood: Individual-Agent Economy & Network Logistics
- URL: https://simstructures.com/workers-resources-under-the-hood/
- Published: 2026-08-31T18:31:05.000Z
- Updated: 2026-08-31T18:31:05.000Z
- Description: Inside Workers & Resources: a custom-engine economy where every good is produced, transported and consumed as a tracked quantity across road, rail and pipeline graphs.
- Author: ENGN GAME STUDIO LLC
- Tags: Workers & Resources, Articles

### Engine & Tech Stack

- **Engine / language:** a custom in-house engine from 3Division (not a mainstream off-the-shelf engine), tuned for large-scale economic and logistics simulation.
- **Map representation:** a heightmap-based 3D terrain with grid-aligned construction and road, rail, conveyor, pipeline and power networks laid over it.

### Core AI & Decision Making

- **Citizens:** individuals are simulated with needs (work, food, goods, healthcare, education) and daily routines, and must physically travel to jobs and services.
- **Dispatch:** labour and demand are satisfied through the transport and distribution network rather than teleported resources.

### State Management & Data Architecture

- **Model:** a resource-flow economy where every good is produced, stored, loaded, transported and consumed as a tracked quantity, with no money-only shortcuts.
- **Networks:** roads, railways, conveyors, pipelines and power lines are graphs that vehicles and resources route across.

### Tick Scheduling & Performance Tricks

- **Continuous sim:** large populations and vehicle fleets are simulated continuously, with adjustable game speed to manage the load.
- **Scale:** the per-citizen and per-vehicle detail is exactly what makes performance scale with city size.

### Pathfinding & Spatial Systems

- **Vehicles:** trucks and trains path over the road and rail graphs with one-way roads, junctions and signals; pedestrians route to nearby stops and services.
- **Spatial:** structure follows the transport network rather than open-terrain distance.