API reference

MeshCacheSweepSystem Class

Extends SystemBase

Modifiers: final

Defers MeshManager.sweepUnusedMeshes to a later frame so per-entity teardown can complete safely before the mesh dedup cache is freed. Sweeping synchronously, mid-frame, can leave dangling native pointers that the next frame's renderer or input system reads.

executeCount : Long [Get]	The number of times this system's SystemBase.execute method has been called by the system manager. Incremented automatically before each execution cycle. Useful for performance monitoring. `@Volatile` guarantees atomic 64-bit reads + happens-before semantics so the introspection reader (which runs on the dump caller's thread) observes a consistent value. Only SystemBase.incrementExecuteCount writes this field, so the non-atomic read-modify-write is safe. Signature var executeCount: Long
meshManager : MeshManager [Get]	The MeshManager whose dedup cache is swept when a request matures. Signature val meshManager: MeshManager
systemManager : SystemManager [Get][Set]	The SystemManager that this system is registered with. Provides access to other systems and the scene. Initialized during system registration. Signature lateinit var systemManager: SystemManager

associateSystemManager ( systemManager )	Associates this system with a SystemManager. Called during registration. Throws RuntimeException if the system is already associated — each system instance can only belong to one manager. Signature fun associateSystemManager(systemManager: SystemManager) Parameters `systemManager: SystemManager` The system manager that will own and execute this system.
delete ( entity )	Called when an entity is removed from the scene. Override to clean up any per-entity state this system maintains, such as cached components, tracking maps, or native resource handles. Signature open fun delete(entity: Entity) Parameters `entity: Entity`
destroy ()	Process-shutdown safety: drop any still-pending sweeps. Signature open override fun destroy()
execute ()	Called each frame by the SystemManager to perform this system's per-tick logic. Override to query entities with relevant components and apply updates. Signature open override fun execute()
getDependencies ()	Returns the execution ordering dependencies for this system. Override to declare which other systems must run before or after this one using SystemDependencies. Signature open fun getDependencies(): SystemDependencies? Returns `SystemDependencies?` The dependency configuration, or null if this system has no ordering constraints.
getScene ()	Returns the Scene that this system operates within. Delegates to the associated SystemManager to retrieve the active scene instance. Signature fun getScene(): Scene Returns `Scene` The scene containing the entities and rendering state for this system.
scheduleSweep ( candidateTokens , framesToWait )	Schedules a deferred sweep of the MeshManager dedup cache for candidateTokens to run framesToWait frames from now (default 2). The sweep is conservative: only entries in candidateTokens that no live mesh-bearing entity still references are freed. No-op for an empty candidateTokens set. Safe to call from any thread. Signature fun scheduleSweep(candidateTokens: Set<String>, framesToWait: Int = 2) Parameters `candidateTokens: Set` cache keys the caller is willing to free. Snapshotted into the pending request — the caller may safely mutate the original after this returns. `framesToWait: Int` number of MeshCacheSweepSystem.execute ticks to wait before invoking the sweep. Must be `>= 0`; `0` runs the sweep on the next tick. Defaults to `2`.

MeshCacheSweepSystem Class

Signature

Constructors

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Methods