215 lines
8.7 KiB
C#
215 lines
8.7 KiB
C#
using Content.Server.Antag;
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using Content.Server.Chat.Systems;
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using Content.Server.GameTicking.Rules.Components;
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using Content.Server.Popups;
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using Content.Server.Roles;
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using Content.Server.RoundEnd;
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using Content.Server.Station.Systems;
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using Content.Server.Zombies;
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using Content.Shared.GameTicking.Components;
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using Content.Shared.Humanoid;
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using Content.Shared.Mind;
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using Content.Shared.Mobs;
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using Content.Shared.Mobs.Components;
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using Content.Shared.Mobs.Systems;
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using Content.Shared.Roles;
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using Content.Shared.Zombies;
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using Robust.Shared.Player;
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using Robust.Shared.Timing;
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using System.Globalization;
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namespace Content.Server.GameTicking.Rules;
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public sealed class ZombieRuleSystem : GameRuleSystem<ZombieRuleComponent>
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{
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[Dependency] private readonly AntagSelectionSystem _antag = default!;
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[Dependency] private readonly ChatSystem _chat = default!;
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[Dependency] private readonly IGameTiming _timing = default!;
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[Dependency] private readonly ISharedPlayerManager _player = default!;
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[Dependency] private readonly MobStateSystem _mobState = default!;
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[Dependency] private readonly PopupSystem _popup = default!;
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[Dependency] private readonly RoundEndSystem _roundEnd = default!;
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[Dependency] private readonly SharedMindSystem _mindSystem = default!;
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[Dependency] private readonly SharedRoleSystem _roles = default!;
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[Dependency] private readonly StationSystem _station = default!;
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[Dependency] private readonly ZombieSystem _zombie = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<InitialInfectedRoleComponent, GetBriefingEvent>(OnGetBriefing);
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SubscribeLocalEvent<ZombieRoleComponent, GetBriefingEvent>(OnGetBriefing);
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SubscribeLocalEvent<IncurableZombieComponent, ZombifySelfActionEvent>(OnZombifySelf);
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}
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private void OnGetBriefing(Entity<InitialInfectedRoleComponent> role, ref GetBriefingEvent args)
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{
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if (!_roles.MindHasRole<ZombieRoleComponent>(args.Mind.Owner))
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args.Append(Loc.GetString("zombie-patientzero-role-greeting"));
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}
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private void OnGetBriefing(Entity<ZombieRoleComponent> role, ref GetBriefingEvent args)
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{
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args.Append(Loc.GetString("zombie-infection-greeting"));
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}
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protected override void AppendRoundEndText(EntityUid uid,
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ZombieRuleComponent component,
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GameRuleComponent gameRule,
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ref RoundEndTextAppendEvent args)
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{
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base.AppendRoundEndText(uid, component, gameRule, ref args);
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// This is just the general condition thing used for determining the win/lose text
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var fraction = GetInfectedFraction(true, true);
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if (fraction <= 0)
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args.AddLine(Loc.GetString("zombie-round-end-amount-none"));
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else if (fraction <= 0.25)
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args.AddLine(Loc.GetString("zombie-round-end-amount-low"));
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else if (fraction <= 0.5)
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args.AddLine(Loc.GetString("zombie-round-end-amount-medium", ("percent", Math.Round((fraction * 100), 2).ToString(CultureInfo.InvariantCulture))));
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else if (fraction < 1)
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args.AddLine(Loc.GetString("zombie-round-end-amount-high", ("percent", Math.Round((fraction * 100), 2).ToString(CultureInfo.InvariantCulture))));
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else
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args.AddLine(Loc.GetString("zombie-round-end-amount-all"));
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var antags = _antag.GetAntagIdentifiers(uid);
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args.AddLine(Loc.GetString("zombie-round-end-initial-count", ("initialCount", antags.Count)));
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foreach (var (_, data, entName) in antags)
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{
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args.AddLine(Loc.GetString("zombie-round-end-user-was-initial",
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("name", entName),
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("username", data.UserName)));
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}
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var healthy = GetHealthyHumans();
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// Gets a bunch of the living players and displays them if they're under a threshold.
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// InitialInfected is used for the threshold because it scales with the player count well.
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if (healthy.Count <= 0 || healthy.Count > 2 * antags.Count)
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return;
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args.AddLine("");
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args.AddLine(Loc.GetString("zombie-round-end-survivor-count", ("count", healthy.Count)));
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foreach (var survivor in healthy)
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{
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var meta = MetaData(survivor);
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var username = string.Empty;
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if (_mindSystem.TryGetMind(survivor, out _, out var mind) &&
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_player.TryGetSessionById(mind.UserId, out var session))
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{
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username = session.Name;
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}
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args.AddLine(Loc.GetString("zombie-round-end-user-was-survivor",
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("name", meta.EntityName),
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("username", username)));
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}
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}
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/// <summary>
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/// The big kahoona function for checking if the round is gonna end
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/// </summary>
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private void CheckRoundEnd(ZombieRuleComponent zombieRuleComponent)
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{
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var healthy = GetHealthyHumans();
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if (healthy.Count == 1) // Only one human left. spooky
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_popup.PopupEntity(Loc.GetString("zombie-alone"), healthy[0], healthy[0]);
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if (GetInfectedFraction(false) > zombieRuleComponent.ZombieShuttleCallPercentage && !_roundEnd.IsRoundEndRequested())
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{
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foreach (var station in _station.GetStations())
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{
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_chat.DispatchStationAnnouncement(station, Loc.GetString("zombie-shuttle-call"), colorOverride: Color.Crimson);
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}
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_roundEnd.RequestRoundEnd(null, false);
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}
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// we include dead for this count because we don't want to end the round
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// when everyone gets on the shuttle.
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if (GetInfectedFraction() >= 1) // Oops, all zombies
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_roundEnd.EndRound();
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}
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protected override void Started(EntityUid uid, ZombieRuleComponent component, GameRuleComponent gameRule, GameRuleStartedEvent args)
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{
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base.Started(uid, component, gameRule, args);
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component.NextRoundEndCheck = _timing.CurTime + component.EndCheckDelay;
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}
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protected override void ActiveTick(EntityUid uid, ZombieRuleComponent component, GameRuleComponent gameRule, float frameTime)
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{
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base.ActiveTick(uid, component, gameRule, frameTime);
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if (!component.NextRoundEndCheck.HasValue || component.NextRoundEndCheck > _timing.CurTime)
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return;
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CheckRoundEnd(component);
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component.NextRoundEndCheck = _timing.CurTime + component.EndCheckDelay;
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}
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private void OnZombifySelf(EntityUid uid, IncurableZombieComponent component, ZombifySelfActionEvent args)
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{
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_zombie.ZombifyEntity(uid);
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if (component.Action != null)
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Del(component.Action.Value);
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}
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/// <summary>
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/// Get the fraction of players that are infected, between 0 and 1
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/// </summary>
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/// <param name="includeOffStation">Include healthy players that are not on the station grid</param>
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/// <param name="includeDead">Should dead zombies be included in the count</param>
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/// <returns></returns>
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private float GetInfectedFraction(bool includeOffStation = true, bool includeDead = false)
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{
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var players = GetHealthyHumans(includeOffStation);
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var zombieCount = 0;
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var query = EntityQueryEnumerator<HumanoidAppearanceComponent, ZombieComponent, MobStateComponent>();
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while (query.MoveNext(out _, out _, out _, out var mob))
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{
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if (!includeDead && mob.CurrentState == MobState.Dead)
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continue;
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zombieCount++;
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}
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return zombieCount / (float) (players.Count + zombieCount);
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}
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/// <summary>
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/// Gets the list of humans who are alive, not zombies, and are on a station.
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/// Flying off via a shuttle disqualifies you.
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/// </summary>
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/// <returns></returns>
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private List<EntityUid> GetHealthyHumans(bool includeOffStation = true)
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{
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var healthy = new List<EntityUid>();
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var stationGrids = new HashSet<EntityUid>();
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if (!includeOffStation)
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{
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foreach (var station in _station.GetStationsSet())
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{
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if (_station.GetLargestGrid(station) is { } grid)
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stationGrids.Add(grid);
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}
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}
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var players = AllEntityQuery<HumanoidAppearanceComponent, ActorComponent, MobStateComponent, TransformComponent>();
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var zombers = GetEntityQuery<ZombieComponent>();
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while (players.MoveNext(out var uid, out _, out _, out var mob, out var xform))
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{
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if (!_mobState.IsAlive(uid, mob))
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continue;
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if (zombers.HasComponent(uid))
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continue;
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if (!includeOffStation && !stationGrids.Contains(xform.GridUid ?? EntityUid.Invalid))
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continue;
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healthy.Add(uid);
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}
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return healthy;
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}
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}
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