dots-enableable-components

To toggle entity state in Unity DOTS without structural changes, use IEnableableComponent to flip an enabled bit instead of adding or removing components, which prevents chunk shuffling and copying overhead.

IEnableableComponent flips an enabled bit to toggle state without archetype moves, whereas adding or removing components triggers structural changes that force chunk shuffling and data copying, hurting performance.

To safely toggle enableable components inside Burst jobs, use EnabledRefRW for direct writes within the current query, or use ECB.SetComponentEnabled when enabling entities outside the current query in parallel jobs.

Default Unity DOTS queries skip disabled components because they filter by the enabled bit. You must use IgnoreComponentEnabledState query option if your systems need to iterate over entities regardless of their enabled state.

Use enableable components in Unity ECS for high-frequency boolean state toggling like cooldowns, dirty flags, alive/dead state, and paused/active tags, ensuring fast and predictable system performance without structural churn.

Yes, you can use ECB.SetComponentEnabled to safely enable or disable components on entities outside your current query, which is necessary for safe state mutation when running parallel jobs in Unity DOTS.