Files
tbd-station-14/Content.Server/GameObjects/Components/Doors/ServerDoorComponent.cs
metalgearsloth 0812233f20 "Fix" doors getting stuck ond eny (#2647)
Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>
2020-12-01 18:26:39 +01:00

535 lines
16 KiB
C#

#nullable enable
using System;
using System.Linq;
using System.Threading;
using Content.Server.Atmos;
using System.Threading.Tasks;
using Content.Server.GameObjects.Components.Access;
using Content.Server.GameObjects.Components.Atmos;
using Content.Server.GameObjects.Components.GUI;
using Content.Server.GameObjects.Components.Interactable;
using Content.Server.GameObjects.Components.Mobs;
using Content.Server.GameObjects.EntitySystems;
using Content.Shared.Damage;
using Content.Shared.GameObjects.Components.Body;
using Content.Shared.GameObjects.Components.Damage;
using Content.Shared.GameObjects.Components.Doors;
using Content.Shared.GameObjects.Components.Interactable;
using Content.Shared.GameObjects.Components.Movement;
using Content.Shared.Interfaces.GameObjects.Components;
using Robust.Server.GameObjects;
using Robust.Server.GameObjects.EntitySystems;
using Robust.Shared.Audio;
using Robust.Shared.GameObjects;
using Robust.Shared.GameObjects.Components;
using Robust.Shared.GameObjects.Components.Timers;
using Robust.Shared.GameObjects.Systems;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Maths;
using Robust.Shared.Serialization;
using Robust.Shared.ViewVariables;
using Timer = Robust.Shared.Timers.Timer;
namespace Content.Server.GameObjects.Components.Doors
{
[RegisterComponent]
[ComponentReference(typeof(IActivate))]
public class ServerDoorComponent : Component, IActivate, ICollideBehavior, IInteractUsing
{
public override string Name => "Door";
[ViewVariables]
private DoorState _state = DoorState.Closed;
public virtual DoorState State
{
get => _state;
protected set
{
if (_state == value)
return;
_state = value;
Owner.EntityManager.EventBus.RaiseEvent(EventSource.Local, new DoorStateMessage(this, State));
}
}
[ViewVariables]
protected float OpenTimeCounter;
[ViewVariables(VVAccess.ReadWrite)]
protected bool AutoClose = true;
protected const float AutoCloseDelay = 5;
[ViewVariables(VVAccess.ReadWrite)]
protected float CloseSpeed = AutoCloseDelay;
private CancellationTokenSource? _cancellationTokenSource;
protected virtual TimeSpan CloseTimeOne => TimeSpan.FromSeconds(0.3f);
protected virtual TimeSpan CloseTimeTwo => TimeSpan.FromSeconds(0.9f);
protected virtual TimeSpan OpenTimeOne => TimeSpan.FromSeconds(0.3f);
protected virtual TimeSpan OpenTimeTwo => TimeSpan.FromSeconds(0.9f);
protected virtual TimeSpan DenyTime => TimeSpan.FromSeconds(0.45f);
private const int DoorCrushDamage = 15;
private const float DoorStunTime = 5f;
[ViewVariables(VVAccess.ReadWrite)]
protected bool Safety = true;
[ViewVariables(VVAccess.ReadWrite)] private bool _occludes;
public bool Occludes => _occludes;
[ViewVariables(VVAccess.ReadWrite)] private bool _bumpOpen;
public bool BumpOpen => _bumpOpen;
[ViewVariables(VVAccess.ReadWrite)]
public bool IsWeldedShut
{
get => _isWeldedShut;
set
{
if (_isWeldedShut == value)
{
return;
}
_isWeldedShut = value;
SetAppearance(_isWeldedShut ? DoorVisualState.Welded : DoorVisualState.Closed);
}
}
private bool _isWeldedShut;
private bool _canWeldShut = true;
/// <summary>
/// Whether something is currently using a welder on this so DoAfter isn't spammed.
/// </summary>
private bool _beingWelded = false;
[ViewVariables(VVAccess.ReadWrite)]
private bool _canCrush = true;
public override void ExposeData(ObjectSerializer serializer)
{
base.ExposeData(serializer);
serializer.DataField(ref _occludes, "occludes", true);
serializer.DataField(ref _bumpOpen, "bumpOpen", true);
serializer.DataField(ref _isWeldedShut, "welded", false);
serializer.DataField(ref _canCrush, "canCrush", true);
}
public override void OnRemove()
{
_cancellationTokenSource?.Cancel();
base.OnRemove();
}
protected virtual void ActivateImpl(ActivateEventArgs eventArgs)
{
if (State == DoorState.Open)
{
TryClose(eventArgs.User);
}
else if (State == DoorState.Closed)
{
TryOpen(eventArgs.User);
}
}
void IActivate.Activate(ActivateEventArgs eventArgs)
{
ActivateImpl(eventArgs);
}
void ICollideBehavior.CollideWith(IEntity entity)
{
if (State != DoorState.Closed)
{
return;
}
if (!_bumpOpen)
{
return;
}
// Disabled because it makes it suck hard to walk through double doors.
if (entity.HasComponent<IBody>())
{
if (!entity.TryGetComponent<IMoverComponent>(out var mover)) return;
/*
// TODO: temporary hack to fix the physics system raising collision events akwardly.
// E.g. when moving parallel to a door by going off the side of a wall.
var (walking, sprinting) = mover.VelocityDir;
// Also TODO: walking and sprint dir are added together here
// instead of calculating their contribution correctly.
var dotProduct = Vector2.Dot((sprinting + walking).Normalized, (entity.Transform.WorldPosition - Owner.Transform.WorldPosition).Normalized);
if (dotProduct <= -0.85f)
TryOpen(entity);
*/
TryOpen(entity);
}
}
protected void SetAppearance(DoorVisualState state)
{
if (Owner.TryGetComponent(out AppearanceComponent? appearance))
{
appearance.SetData(DoorVisuals.VisualState, state);
}
}
public virtual bool CanOpen()
{
return !_isWeldedShut;
}
public virtual bool CanOpen(IEntity user)
{
if (!CanOpen()) return false;
if (!Owner.TryGetComponent<AccessReader>(out var accessReader))
{
return true;
}
var doorSystem = EntitySystem.Get<DoorSystem>();
var isAirlockExternal = HasAccessType("External");
return doorSystem.AccessType switch
{
DoorSystem.AccessTypes.AllowAll => true,
DoorSystem.AccessTypes.AllowAllIdExternal => isAirlockExternal ? accessReader.IsAllowed(user) : true,
DoorSystem.AccessTypes.AllowAllNoExternal => !isAirlockExternal,
_ => accessReader.IsAllowed(user)
};
}
/// <summary>
/// Returns whether a door has a certain access type. For example, maintenance doors will have access type
/// "Maintenance" in their AccessReader.
/// </summary>
private bool HasAccessType(string accesType)
{
if(Owner.TryGetComponent<AccessReader>(out var accessReader))
{
return accessReader.AccessLists.Any(list => list.Contains(accesType));
}
return true;
}
public void TryOpen(IEntity user)
{
if (CanOpen(user))
{
Open();
if (user.TryGetComponent(out HandsComponent? hands) && hands.Count == 0)
{
EntitySystem.Get<AudioSystem>().PlayFromEntity("/Audio/Effects/bang.ogg", Owner,
AudioParams.Default.WithVolume(-2));
}
}
else
{
Deny();
}
}
public void Open()
{
if (State != DoorState.Closed)
{
return;
}
_canWeldShut = false;
State = DoorState.Opening;
SetAppearance(DoorVisualState.Opening);
if (_occludes && Owner.TryGetComponent(out OccluderComponent? occluder))
{
occluder.Enabled = false;
}
_cancellationTokenSource?.Cancel();
_cancellationTokenSource = new();
Owner.SpawnTimer(OpenTimeOne, async () =>
{
if (Owner.TryGetComponent(out AirtightComponent? airtight))
{
airtight.AirBlocked = false;
}
if (Owner.TryGetComponent(out IPhysicsComponent? physics))
{
physics.CanCollide = false;
}
await Timer.Delay(OpenTimeTwo, _cancellationTokenSource.Token);
State = DoorState.Open;
SetAppearance(DoorVisualState.Open);
}, _cancellationTokenSource.Token);
Owner.EntityManager.EventBus.RaiseEvent(EventSource.Local, new AccessReaderChangeMessage(Owner, false));
}
public virtual bool CanClose()
{
return true;
}
public virtual bool CanClose(IEntity user)
{
if (!CanClose()) return false;
if (!Owner.TryGetComponent(out AccessReader? accessReader))
{
return true;
}
return accessReader.IsAllowed(user);
}
public void TryClose(IEntity user)
{
if (!CanClose(user))
{
Deny();
return;
}
Close();
}
private void CheckCrush()
{
if (!Owner.TryGetComponent(out IPhysicsComponent? body))
return;
// Crush
foreach (var e in body.GetCollidingEntities(Vector2.Zero, false))
{
if (!e.TryGetComponent(out StunnableComponent? stun)
|| !e.TryGetComponent(out IDamageableComponent? damage)
|| !e.TryGetComponent(out IPhysicsComponent? otherBody))
continue;
var percentage = otherBody.WorldAABB.IntersectPercentage(body.WorldAABB);
if (percentage < 0.1f)
continue;
damage.ChangeDamage(DamageType.Blunt, DoorCrushDamage, false, Owner);
stun.Paralyze(DoorStunTime);
// If we hit someone, open up after stun (opens right when stun ends)
Owner.SpawnTimer(TimeSpan.FromSeconds(DoorStunTime) - OpenTimeOne - OpenTimeTwo, Open);
break;
}
}
public bool IsHoldingPressure(float threshold = 20)
{
var atmosphereSystem = EntitySystem.Get<AtmosphereSystem>();
if (!Owner.Transform.Coordinates.TryGetTileAtmosphere(out var tileAtmos))
return false;
var gridAtmosphere = atmosphereSystem.GetGridAtmosphere(Owner.Transform.GridID);
if (gridAtmosphere == null)
return false;
var minMoles = float.MaxValue;
var maxMoles = 0f;
foreach (var (direction, adjacent) in gridAtmosphere.GetAdjacentTiles(tileAtmos.GridIndices))
{
var moles = adjacent.Air.TotalMoles;
if (moles < minMoles)
minMoles = moles;
if (moles > maxMoles)
maxMoles = moles;
}
return (maxMoles - minMoles) > threshold;
}
public bool IsHoldingFire()
{
var atmosphereSystem = EntitySystem.Get<AtmosphereSystem>();
if (!Owner.Transform.Coordinates.TryGetTileAtmosphere(out var tileAtmos))
return false;
if (tileAtmos.Hotspot.Valid)
return true;
var gridAtmosphere = atmosphereSystem.GetGridAtmosphere(Owner.Transform.GridID);
if (gridAtmosphere == null)
return false;
foreach (var (direction, adjacent) in gridAtmosphere.GetAdjacentTiles(tileAtmos.GridIndices))
{
if (adjacent.Hotspot.Valid)
return true;
}
return false;
}
public bool Close()
{
bool shouldCheckCrush = false;
if (Owner.TryGetComponent(out IPhysicsComponent? physics))
physics.CanCollide = true;
if (_canCrush && physics != null &&
physics.IsColliding(Vector2.Zero, false))
{
if (Safety)
{
physics.CanCollide = false;
return false;
}
// check if we crush someone while closing
shouldCheckCrush = true;
}
State = DoorState.Closing;
OpenTimeCounter = 0;
SetAppearance(DoorVisualState.Closing);
if (_occludes && Owner.TryGetComponent(out OccluderComponent? occluder))
{
occluder.Enabled = true;
}
_cancellationTokenSource?.Cancel();
_cancellationTokenSource = new();
Owner.SpawnTimer(CloseTimeOne, async () =>
{
if (shouldCheckCrush && _canCrush)
{
CheckCrush();
}
if (Owner.TryGetComponent(out AirtightComponent? airtight))
{
airtight.AirBlocked = true;
}
if (Owner.TryGetComponent(out IPhysicsComponent? body))
{
body.CanCollide = true;
}
await Timer.Delay(CloseTimeTwo, _cancellationTokenSource.Token);
_canWeldShut = true;
State = DoorState.Closed;
SetAppearance(DoorVisualState.Closed);
}, _cancellationTokenSource.Token);
Owner.EntityManager.EventBus.RaiseEvent(EventSource.Local, new AccessReaderChangeMessage(Owner, true));
return true;
}
public virtual void Deny()
{
if (State == DoorState.Open || _isWeldedShut)
return;
_cancellationTokenSource?.Cancel();
_cancellationTokenSource = new();
SetAppearance(DoorVisualState.Deny);
Owner.SpawnTimer(DenyTime, () =>
{
SetAppearance(DoorVisualState.Closed);
}, _cancellationTokenSource.Token);
}
public virtual void OnUpdate(float frameTime)
{
if (State != DoorState.Open)
{
return;
}
if (AutoClose)
{
OpenTimeCounter += frameTime;
}
if (OpenTimeCounter > CloseSpeed)
{
if (!CanClose() || !Close())
{
// Try again in 2 seconds if it's jammed or something.
OpenTimeCounter -= 2;
}
}
}
public enum DoorState
{
Closed,
Open,
Closing,
Opening,
}
public virtual async Task<bool> InteractUsing(InteractUsingEventArgs eventArgs)
{
if (!_canWeldShut)
{
_beingWelded = false;
return false;
}
if (!eventArgs.Using.TryGetComponent(out WelderComponent? tool) || !tool.WelderLit)
{
_beingWelded = false;
return false;
}
if (_beingWelded)
return false;
_beingWelded = true;
if (!await tool.UseTool(eventArgs.User, Owner, 3f, ToolQuality.Welding, 3f, () => _canWeldShut))
{
_beingWelded = false;
return false;
}
_beingWelded = false;
IsWeldedShut ^= true;
return true;
}
}
public sealed class DoorStateMessage : EntitySystemMessage
{
public ServerDoorComponent Component { get; }
public ServerDoorComponent.DoorState State { get; }
public DoorStateMessage(ServerDoorComponent component, ServerDoorComponent.DoorState state)
{
Component = component;
State = state;
}
}
}