Question 1

How to integrate EnTT with CMake in my project?

Accepted Answer

Link your target to the EnTT::EnTT alias in CMake; the README details various methods including find_package or add_subdirectory, with options like ENTT_INSTALL for control.

Question 2

EnTT vs Unity ECS: which should I use for a C++ game?

Accepted Answer

EnTT is a header-only C++ library offering full native control and performance, ideal for custom engines. Unity ECS is part of the Unity ecosystem with C# focus, better for cross-platform projects using Unity's editor.

Question 3

Does EnTT support serialization for saving game states?

Accepted Answer

EnTT's runtime reflection system can aid serialization, but you must implement custom logic using it or external libraries; it doesn't provide built-in serialization out of the box.

Question 4

What are the real-world performance benchmarks for EnTT?

Accepted Answer

The README references community benchmarks and encourages compiling the benchmark test yourself, noting EnTT is designed for speed and often outperforms competitors in data-oriented tasks.

Question 5

Can I use EnTT for non-game applications like simulations?

Accepted Answer

Yes, its data-oriented design makes it suitable for simulations, GUI systems, or any app requiring efficient entity management, as highlighted in the philosophy and feature list.

Question 6

How to handle component dependencies and systems in EnTT?

Accepted Answer

Use views and groups for iteration, and leverage the scheduler for system ordering; the README's code example shows basic usage, but advanced patterns require consulting the wiki or documentation.

EnTT

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