Files
tbd-station-14/Content.Server/GameTicking/Rules/ZombieRuleSystem.cs

346 lines
14 KiB
C#

using System.Globalization;
using System.Linq;
using Content.Server.Actions;
using Content.Server.Chat.Managers;
using Content.Server.Chat.Systems;
using Content.Server.GameTicking.Rules.Components;
using Content.Server.Popups;
using Content.Server.Preferences.Managers;
using Content.Server.Roles;
using Content.Server.RoundEnd;
using Content.Server.Station.Components;
using Content.Server.Station.Systems;
using Content.Server.Zombies;
using Content.Shared.Actions.ActionTypes;
using Content.Shared.CCVar;
using Content.Shared.Humanoid;
using Content.Shared.Mind;
using Content.Shared.Mobs;
using Content.Shared.Mobs.Components;
using Content.Shared.Mobs.Systems;
using Content.Shared.Preferences;
using Content.Shared.Roles;
using Content.Shared.Zombies;
using Robust.Server.GameObjects;
using Robust.Server.Player;
using Robust.Shared.Configuration;
using Robust.Shared.Prototypes;
using Robust.Shared.Random;
using Robust.Shared.Timing;
namespace Content.Server.GameTicking.Rules;
public sealed class ZombieRuleSystem : GameRuleSystem<ZombieRuleComponent>
{
[Dependency] private readonly IPrototypeManager _prototypeManager = default!;
[Dependency] private readonly IRobustRandom _random = default!;
[Dependency] private readonly IConfigurationManager _cfg = default!;
[Dependency] private readonly IChatManager _chatManager = default!;
[Dependency] private readonly IGameTiming _timing = default!;
[Dependency] private readonly IPlayerManager _playerManager = default!;
[Dependency] private readonly IServerPreferencesManager _prefs = default!;
[Dependency] private readonly ChatSystem _chat = default!;
[Dependency] private readonly RoundEndSystem _roundEnd = default!;
[Dependency] private readonly PopupSystem _popup = default!;
[Dependency] private readonly ActionsSystem _action = default!;
[Dependency] private readonly MobStateSystem _mobState = default!;
[Dependency] private readonly ZombieSystem _zombie = default!;
[Dependency] private readonly SharedMindSystem _mindSystem = default!;
[Dependency] private readonly SharedRoleSystem _roles = default!;
[Dependency] private readonly StationSystem _station = default!;
[Dependency] private readonly SharedAudioSystem _audio = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<RoundStartAttemptEvent>(OnStartAttempt);
SubscribeLocalEvent<RoundEndTextAppendEvent>(OnRoundEndText);
SubscribeLocalEvent<ZombifyOnDeathComponent, ZombifySelfActionEvent>(OnZombifySelf);
}
private void OnRoundEndText(RoundEndTextAppendEvent ev)
{
foreach (var zombie in EntityQuery<ZombieRuleComponent>())
{
// This is just the general condition thing used for determining the win/lose text
var fraction = GetInfectedFraction(true, true);
if (fraction <= 0)
ev.AddLine(Loc.GetString("zombie-round-end-amount-none"));
else if (fraction <= 0.25)
ev.AddLine(Loc.GetString("zombie-round-end-amount-low"));
else if (fraction <= 0.5)
ev.AddLine(Loc.GetString("zombie-round-end-amount-medium", ("percent", Math.Round((fraction * 100), 2).ToString(CultureInfo.InvariantCulture))));
else if (fraction < 1)
ev.AddLine(Loc.GetString("zombie-round-end-amount-high", ("percent", Math.Round((fraction * 100), 2).ToString(CultureInfo.InvariantCulture))));
else
ev.AddLine(Loc.GetString("zombie-round-end-amount-all"));
ev.AddLine(Loc.GetString("zombie-round-end-initial-count", ("initialCount", zombie.InitialInfectedNames.Count)));
foreach (var player in zombie.InitialInfectedNames)
{
ev.AddLine(Loc.GetString("zombie-round-end-user-was-initial",
("name", player.Key),
("username", player.Value)));
}
var healthy = GetHealthyHumans();
// Gets a bunch of the living players and displays them if they're under a threshold.
// InitialInfected is used for the threshold because it scales with the player count well.
if (healthy.Count <= 0 || healthy.Count > 2 * zombie.InitialInfectedNames.Count)
continue;
ev.AddLine("");
ev.AddLine(Loc.GetString("zombie-round-end-survivor-count", ("count", healthy.Count)));
foreach (var survivor in healthy)
{
var meta = MetaData(survivor);
var username = string.Empty;
if (_mindSystem.TryGetMind(survivor, out _, out var mind) && mind.Session != null)
{
username = mind.Session.Name;
}
ev.AddLine(Loc.GetString("zombie-round-end-user-was-survivor",
("name", meta.EntityName),
("username", username)));
}
}
}
/// <summary>
/// The big kahoona function for checking if the round is gonna end
/// </summary>
private void CheckRoundEnd()
{
var query = EntityQueryEnumerator<ZombieRuleComponent, GameRuleComponent>();
while (query.MoveNext(out var uid, out var comp, out var gameRule))
{
if (!GameTicker.IsGameRuleActive(uid, gameRule))
continue;
var healthy = GetHealthyHumans();
if (healthy.Count == 1) // Only one human left. spooky
_popup.PopupEntity(Loc.GetString("zombie-alone"), healthy[0], healthy[0]);
if (!comp.ShuttleCalled && GetInfectedFraction(false) >= comp.ZombieShuttleCallPercentage)
{
comp.ShuttleCalled = true;
foreach (var station in _station.GetStations())
{
_chat.DispatchStationAnnouncement(station, Loc.GetString("zombie-shuttle-call"), colorOverride: Color.Crimson);
}
_roundEnd.RequestRoundEnd(null, false);
}
// we include dead for this count because we don't want to end the round
// when everyone gets on the shuttle.
if (GetInfectedFraction() >= 1) // Oops, all zombies
_roundEnd.EndRound();
}
}
private void OnStartAttempt(RoundStartAttemptEvent ev)
{
var query = EntityQueryEnumerator<ZombieRuleComponent, GameRuleComponent>();
while (query.MoveNext(out var uid, out _, out var gameRule))
{
if (!GameTicker.IsGameRuleAdded(uid, gameRule))
continue;
var minPlayers = _cfg.GetCVar(CCVars.ZombieMinPlayers);
if (!ev.Forced && ev.Players.Length < minPlayers)
{
_chatManager.SendAdminAnnouncement(Loc.GetString("zombie-not-enough-ready-players",
("readyPlayersCount", ev.Players.Length),
("minimumPlayers", minPlayers)));
ev.Cancel();
continue;
}
if (ev.Players.Length == 0)
{
_chatManager.DispatchServerAnnouncement(Loc.GetString("zombie-no-one-ready"));
ev.Cancel();
}
}
}
protected override void Started(EntityUid uid, ZombieRuleComponent component, GameRuleComponent gameRule, GameRuleStartedEvent args)
{
base.Started(uid, component, gameRule, args);
component.StartTime = _timing.CurTime + _random.Next(component.MinStartDelay, component.MaxStartDelay);
}
protected override void ActiveTick(EntityUid uid, ZombieRuleComponent component, GameRuleComponent gameRule, float frameTime)
{
base.ActiveTick(uid, component, gameRule, frameTime);
if (component.InfectedChosen)
{
if (_timing.CurTime >= component.NextRoundEndCheck)
{
component.NextRoundEndCheck += component.EndCheckDelay;
CheckRoundEnd();
}
return;
}
if (component.StartTime == null || _timing.CurTime < component.StartTime)
return;
InfectInitialPlayers(component);
}
private void OnZombifySelf(EntityUid uid, ZombifyOnDeathComponent component, ZombifySelfActionEvent args)
{
_zombie.ZombifyEntity(uid);
var action = new InstantAction(_prototypeManager.Index<InstantActionPrototype>(ZombieRuleComponent.ZombifySelfActionPrototype));
_action.RemoveAction(uid, action);
}
private float GetInfectedFraction(bool includeOffStation = true, bool includeDead = false)
{
var players = GetHealthyHumans(includeOffStation);
var zombieCount = 0;
var query = EntityQueryEnumerator<HumanoidAppearanceComponent, ZombieComponent, MobStateComponent>();
while (query.MoveNext(out _, out _, out _, out var mob))
{
if (!includeDead && mob.CurrentState == MobState.Dead)
continue;
zombieCount++;
}
return zombieCount / (float) (players.Count + zombieCount);
}
/// <summary>
/// Gets the list of humans who are alive, not zombies, and are on a station.
/// Flying off via a shuttle disqualifies you.
/// </summary>
/// <returns></returns>
private List<EntityUid> GetHealthyHumans(bool includeOffStation = true)
{
var healthy = new List<EntityUid>();
var stationGrids = new HashSet<EntityUid>();
if (!includeOffStation)
{
foreach (var station in _station.GetStationsSet())
{
if (TryComp<StationDataComponent>(station, out var data) && _station.GetLargestGrid(data) is { } grid)
stationGrids.Add(grid);
}
}
var players = AllEntityQuery<HumanoidAppearanceComponent, ActorComponent, MobStateComponent, TransformComponent>();
var zombers = GetEntityQuery<ZombieComponent>();
while (players.MoveNext(out var uid, out _, out _, out var mob, out var xform))
{
if (!_mobState.IsAlive(uid, mob))
continue;
if (zombers.HasComponent(uid))
continue;
if (!includeOffStation && !stationGrids.Contains(xform.GridUid ?? EntityUid.Invalid))
continue;
healthy.Add(uid);
}
return healthy;
}
/// <summary>
/// Infects the first players with the passive zombie virus.
/// Also records their names for the end of round screen.
/// </summary>
/// <remarks>
/// The reason this code is written separately is to facilitate
/// allowing this gamemode to be started midround. As such, it doesn't need
/// any information besides just running.
/// </remarks>
private void InfectInitialPlayers(ZombieRuleComponent component)
{
if (component.InfectedChosen)
return;
component.InfectedChosen = true;
var allPlayers = _playerManager.ServerSessions.ToList();
var playerList = new List<IPlayerSession>();
var prefList = new List<IPlayerSession>();
foreach (var player in allPlayers)
{
if (player.AttachedEntity == null || !HasComp<HumanoidAppearanceComponent>(player.AttachedEntity) || HasComp<ZombieImmuneComponent>(player.AttachedEntity))
continue;
playerList.Add(player);
var pref = (HumanoidCharacterProfile) _prefs.GetPreferences(player.UserId).SelectedCharacter;
if (pref.AntagPreferences.Contains(component.PatientZeroPrototypeId))
prefList.Add(player);
}
if (playerList.Count == 0)
return;
var numInfected = Math.Max(1,
(int) Math.Min(
Math.Floor((double) playerList.Count / component.PlayersPerInfected), component.MaxInitialInfected));
var totalInfected = 0;
while (totalInfected < numInfected)
{
IPlayerSession zombie;
if (prefList.Count == 0)
{
if (playerList.Count == 0)
{
Log.Info("Insufficient number of players. stopping selection.");
break;
}
zombie = _random.Pick(playerList);
Log.Info("Insufficient preferred patient 0, picking at random.");
}
else
{
zombie = _random.Pick(prefList);
Log.Info("Selected a patient 0.");
}
prefList.Remove(zombie);
playerList.Remove(zombie);
if (!_mindSystem.TryGetMind(zombie, out var mindId, out var mind) ||
mind.OwnedEntity is not { } ownedEntity)
{
continue;
}
totalInfected++;
_roles.MindAddRole(mindId, new ZombieRoleComponent { PrototypeId = component.PatientZeroPrototypeId });
var pending = EnsureComp<PendingZombieComponent>(ownedEntity);
pending.GracePeriod = _random.Next(component.MinInitialInfectedGrace, component.MaxInitialInfectedGrace);
EnsureComp<ZombifyOnDeathComponent>(ownedEntity);
EnsureComp<IncurableZombieComponent>(ownedEntity);
var inCharacterName = MetaData(ownedEntity).EntityName;
var action = new InstantAction(_prototypeManager.Index<InstantActionPrototype>(ZombieRuleComponent.ZombifySelfActionPrototype));
_action.AddAction(mind.OwnedEntity.Value, action, null);
var message = Loc.GetString("zombie-patientzero-role-greeting");
var wrappedMessage = Loc.GetString("chat-manager-server-wrap-message", ("message", message));
//gets the names now in case the players leave.
//this gets unhappy if people with the same name get chosen. Probably shouldn't happen.
component.InitialInfectedNames.Add(inCharacterName, zombie.Name);
// I went all the way to ChatManager.cs and all i got was this lousy T-shirt
// You got a free T-shirt!?!?
_chatManager.ChatMessageToOne(Shared.Chat.ChatChannel.Server, message,
wrappedMessage, default, false, zombie.ConnectedClient, Color.Plum);
_audio.PlayGlobal(component.InitialInfectedSound, ownedEntity);
}
}
}