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Lua for Game Development — Chapter 11: Inventory, Items, Equipment, Crafting & Data-Driven Content
Inventory and item systems are essential for:
- RPGs
- Action RPGs
- Survival games
- Roguelikes
- Adventure/Metroidvania
- Open-world games
- SLG/Strategy games
- Loot-based games
Lua is perfect for building these systems:
- Data-driven items (Lua tables)
- Hot-reloadable item definitions
- Easy extensions (rarities, tags, effects)
- Modular inventory logic
- Crafting formulas as tables
- Shops using item IDs
- Persistent save/load
This chapter builds a complete, modern item ecosystem.
1. Item Definitions (Data-Driven)
All items are defined as Lua tables.
This is how most professional games implement content pipelines.