#pragma once

#include "CoreMinimal.h"

/**
 * Opaque handle returned by the registration calls of the core seams (sim steps, dry volumes, stream focus).
 * Keep it, and pass it back to the matching Unregister call when the system goes away before the world does.
 * Id 0 is "not registered".
 */
struct FDescentHandle
{
	uint32 Id = 0;

	bool IsValid() const { return Id != 0; }
	void Reset() { Id = 0; }
	friend bool operator==(const FDescentHandle& A, const FDescentHandle& B) { return A.Id == B.Id; }
	friend bool operator!=(const FDescentHandle& A, const FDescentHandle& B) { return A.Id != B.Id; }
};