Delta-v/Content.Server/_DV/Objectives/Systems/RecruitingConditionSystem.cs

using Content.Server.Objectives.Components;
using Content.Shared.Objectives.Components;

namespace Content.Server.Objectives.Systems;

public sealed class RecruitingConditionSystem : EntitySystem
{
    [Dependency] private readonly NumberObjectiveSystem _number = default!;

    public override void Initialize()
    {
        base.Initialize();

        SubscribeLocalEvent<RecruitingConditionComponent, ObjectiveGetProgressEvent>(OnGetProgress);
    }

    private void OnGetProgress(Entity<RecruitingConditionComponent> ent, ref ObjectiveGetProgressEvent args)
    {
        args.Progress = Progress(ent.Comp.Recruited, _number.GetTarget(ent.Owner));
    }

    private float Progress(int recruited, int target)
    {
        // prevent divide-by-zero
        if (target == 0)
            return 1f;

        return MathF.Min(recruited / (float) target, 1f);
    }
}