581 lines
20 KiB
C#
581 lines
20 KiB
C#
using System.Numerics;
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using Content.Server.Audio;
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using Content.Server.Construction;
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using Content.Server.Power.Components;
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using Content.Server.Power.EntitySystems;
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using Content.Server.Shuttles.Components;
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using Content.Shared.Damage;
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using Content.Shared.Examine;
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using Content.Shared.Interaction;
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using Content.Shared.Maps;
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using Content.Shared.Physics;
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using Content.Shared.Shuttles.Components;
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using Content.Shared.Temperature;
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using Robust.Shared.Map;
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using Robust.Shared.Physics.Collision.Shapes;
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using Robust.Shared.Physics.Components;
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using Robust.Shared.Physics.Events;
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using Robust.Shared.Physics.Systems;
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using Robust.Shared.Timing;
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using Robust.Shared.Utility;
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namespace Content.Server.Shuttles.Systems;
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public sealed class ThrusterSystem : EntitySystem
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{
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[Dependency] private readonly IGameTiming _timing = default!;
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[Dependency] private readonly IMapManager _mapManager = default!;
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[Dependency] private readonly ITileDefinitionManager _tileDefManager = default!;
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[Dependency] private readonly AmbientSoundSystem _ambient = default!;
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[Dependency] private readonly FixtureSystem _fixtureSystem = default!;
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[Dependency] private readonly DamageableSystem _damageable = default!;
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[Dependency] private readonly SharedPointLightSystem _light = default!;
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[Dependency] private readonly SharedAppearanceSystem _appearance = default!;
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// Essentially whenever thruster enables we update the shuttle's available impulses which are used for movement.
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// This is done for each direction available.
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public const string BurnFixture = "thruster-burn";
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<ThrusterComponent, ActivateInWorldEvent>(OnActivateThruster);
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SubscribeLocalEvent<ThrusterComponent, ComponentInit>(OnThrusterInit);
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SubscribeLocalEvent<ThrusterComponent, ComponentShutdown>(OnThrusterShutdown);
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SubscribeLocalEvent<ThrusterComponent, PowerChangedEvent>(OnPowerChange);
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SubscribeLocalEvent<ThrusterComponent, AnchorStateChangedEvent>(OnAnchorChange);
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SubscribeLocalEvent<ThrusterComponent, MoveEvent>(OnRotate);
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SubscribeLocalEvent<ThrusterComponent, IsHotEvent>(OnIsHotEvent);
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SubscribeLocalEvent<ThrusterComponent, StartCollideEvent>(OnStartCollide);
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SubscribeLocalEvent<ThrusterComponent, EndCollideEvent>(OnEndCollide);
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SubscribeLocalEvent<ThrusterComponent, ExaminedEvent>(OnThrusterExamine);
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SubscribeLocalEvent<ShuttleComponent, TileChangedEvent>(OnShuttleTileChange);
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}
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private void OnThrusterExamine(EntityUid uid, ThrusterComponent component, ExaminedEvent args)
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{
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// Powered is already handled by other power components
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var enabled = Loc.GetString(component.Enabled ? "thruster-comp-enabled" : "thruster-comp-disabled");
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using (args.PushGroup(nameof(ThrusterComponent)))
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{
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args.PushMarkup(enabled);
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if (component.Type == ThrusterType.Linear &&
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EntityManager.TryGetComponent(uid, out TransformComponent? xform) &&
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xform.Anchored)
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{
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var nozzleDir = Loc.GetString("thruster-comp-nozzle-direction",
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("direction", xform.LocalRotation.Opposite().ToWorldVec().GetDir().ToString().ToLowerInvariant()));
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args.PushMarkup(nozzleDir);
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var exposed = NozzleExposed(xform);
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var nozzleText =
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Loc.GetString(exposed ? "thruster-comp-nozzle-exposed" : "thruster-comp-nozzle-not-exposed");
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args.PushMarkup(nozzleText);
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}
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}
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}
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private void OnIsHotEvent(EntityUid uid, ThrusterComponent component, IsHotEvent args)
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{
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args.IsHot = component.Type != ThrusterType.Angular && component.IsOn;
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}
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private void OnShuttleTileChange(EntityUid uid, ShuttleComponent component, ref TileChangedEvent args)
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{
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// If the old tile was space but the new one isn't then disable all adjacent thrusters
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if (args.NewTile.IsSpace(_tileDefManager) || !args.OldTile.IsSpace(_tileDefManager))
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return;
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var tilePos = args.NewTile.GridIndices;
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var grid = _mapManager.GetGrid(uid);
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var xformQuery = GetEntityQuery<TransformComponent>();
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var thrusterQuery = GetEntityQuery<ThrusterComponent>();
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for (var x = -1; x <= 1; x++)
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{
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for (var y = -1; y <= 1; y++)
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{
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if (x != 0 && y != 0)
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continue;
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var checkPos = tilePos + new Vector2i(x, y);
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var enumerator = grid.GetAnchoredEntitiesEnumerator(checkPos);
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while (enumerator.MoveNext(out var ent))
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{
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if (!thrusterQuery.TryGetComponent(ent.Value, out var thruster) || !thruster.RequireSpace)
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continue;
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// Work out if the thruster is facing this direction
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var xform = xformQuery.GetComponent(ent.Value);
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var direction = xform.LocalRotation.ToWorldVec();
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if (new Vector2i((int) direction.X, (int) direction.Y) != new Vector2i(x, y))
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continue;
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DisableThruster(ent.Value, thruster, xform.GridUid);
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}
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}
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}
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}
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private void OnActivateThruster(EntityUid uid, ThrusterComponent component, ActivateInWorldEvent args)
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{
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component.Enabled ^= true;
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if (!component.Enabled)
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{
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DisableThruster(uid, component);
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}
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else if (CanEnable(uid, component))
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{
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EnableThruster(uid, component);
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}
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}
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/// <summary>
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/// If the thruster rotates change the direction where the linear thrust is applied
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/// </summary>
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private void OnRotate(EntityUid uid, ThrusterComponent component, ref MoveEvent args)
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{
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// TODO: Disable visualizer for old direction
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// TODO: Don't make them rotatable and make it require anchoring.
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if (!component.Enabled ||
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!EntityManager.TryGetComponent(uid, out TransformComponent? xform) ||
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!EntityManager.TryGetComponent(xform.GridUid, out ShuttleComponent? shuttleComponent))
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{
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return;
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}
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var canEnable = CanEnable(uid, component);
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// If it's not on then don't enable it inadvertantly (given we don't have an old rotation)
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if (!canEnable && !component.IsOn)
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return;
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// Enable it if it was turned off but new tile is valid
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if (!component.IsOn && canEnable)
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{
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EnableThruster(uid, component);
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return;
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}
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// Disable if new tile invalid
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if (component.IsOn && !canEnable)
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{
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DisableThruster(uid, component, args.OldPosition.EntityId, xform, args.OldRotation);
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return;
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}
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var oldDirection = (int) args.OldRotation.GetCardinalDir() / 2;
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var direction = (int) args.NewRotation.GetCardinalDir() / 2;
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var oldShuttleComponent = shuttleComponent;
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if (args.ParentChanged)
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{
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oldShuttleComponent = Comp<ShuttleComponent>(args.OldPosition.EntityId);
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// If no parent change doesn't matter for angular.
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if (component.Type == ThrusterType.Angular)
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{
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oldShuttleComponent.AngularThrust -= component.Thrust;
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DebugTools.Assert(oldShuttleComponent.AngularThrusters.Contains(uid));
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oldShuttleComponent.AngularThrusters.Remove(uid);
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shuttleComponent.AngularThrust += component.Thrust;
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DebugTools.Assert(!shuttleComponent.AngularThrusters.Contains(uid));
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shuttleComponent.AngularThrusters.Add(uid);
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return;
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}
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}
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if (component.Type == ThrusterType.Linear)
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{
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oldShuttleComponent.LinearThrust[oldDirection] -= component.Thrust;
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DebugTools.Assert(oldShuttleComponent.LinearThrusters[oldDirection].Contains(uid));
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oldShuttleComponent.LinearThrusters[oldDirection].Remove(uid);
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shuttleComponent.LinearThrust[direction] += component.Thrust;
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DebugTools.Assert(!shuttleComponent.LinearThrusters[direction].Contains(uid));
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shuttleComponent.LinearThrusters[direction].Add(uid);
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}
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}
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private void OnAnchorChange(EntityUid uid, ThrusterComponent component, ref AnchorStateChangedEvent args)
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{
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if (args.Anchored && CanEnable(uid, component))
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{
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EnableThruster(uid, component);
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}
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else
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{
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DisableThruster(uid, component);
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}
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}
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private void OnThrusterInit(EntityUid uid, ThrusterComponent component, ComponentInit args)
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{
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_ambient.SetAmbience(uid, false);
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if (!component.Enabled)
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{
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return;
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}
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if (CanEnable(uid, component))
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{
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EnableThruster(uid, component);
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}
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}
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private void OnThrusterShutdown(EntityUid uid, ThrusterComponent component, ComponentShutdown args)
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{
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DisableThruster(uid, component);
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}
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private void OnPowerChange(EntityUid uid, ThrusterComponent component, ref PowerChangedEvent args)
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{
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if (args.Powered && CanEnable(uid, component))
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{
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EnableThruster(uid, component);
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}
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else
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{
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DisableThruster(uid, component);
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}
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}
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/// <summary>
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/// Tries to enable the thruster and turn it on. If it's already enabled it does nothing.
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/// </summary>
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public void EnableThruster(EntityUid uid, ThrusterComponent component, TransformComponent? xform = null)
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{
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if (component.IsOn ||
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!Resolve(uid, ref xform))
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{
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return;
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}
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component.IsOn = true;
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if (!EntityManager.TryGetComponent(xform.GridUid, out ShuttleComponent? shuttleComponent))
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return;
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// Logger.DebugS("thruster", $"Enabled thruster {uid}");
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switch (component.Type)
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{
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case ThrusterType.Linear:
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var direction = (int) xform.LocalRotation.GetCardinalDir() / 2;
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shuttleComponent.LinearThrust[direction] += component.Thrust;
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DebugTools.Assert(!shuttleComponent.LinearThrusters[direction].Contains(uid));
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shuttleComponent.LinearThrusters[direction].Add(uid);
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// Don't just add / remove the fixture whenever the thruster fires because perf
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if (EntityManager.TryGetComponent(uid, out PhysicsComponent? physicsComponent) &&
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component.BurnPoly.Count > 0)
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{
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var shape = new PolygonShape();
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shape.Set(component.BurnPoly);
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_fixtureSystem.TryCreateFixture(uid, shape, BurnFixture, hard: false, collisionLayer: (int) CollisionGroup.FullTileMask, body: physicsComponent);
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}
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break;
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case ThrusterType.Angular:
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shuttleComponent.AngularThrust += component.Thrust;
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DebugTools.Assert(!shuttleComponent.AngularThrusters.Contains(uid));
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shuttleComponent.AngularThrusters.Add(uid);
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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if (EntityManager.TryGetComponent(uid, out AppearanceComponent? appearance))
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{
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_appearance.SetData(uid, ThrusterVisualState.State, true, appearance);
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}
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if (_light.TryGetLight(uid, out var pointLightComponent))
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{
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_light.SetEnabled(uid, true, pointLightComponent);
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}
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_ambient.SetAmbience(uid, true);
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RefreshCenter(uid, shuttleComponent);
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}
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/// <summary>
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/// Refreshes the center of thrust for movement calculations.
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/// </summary>
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private void RefreshCenter(EntityUid uid, ShuttleComponent shuttle)
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{
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// TODO: Only refresh relevant directions.
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var center = Vector2.Zero;
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var thrustQuery = GetEntityQuery<ThrusterComponent>();
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var xformQuery = GetEntityQuery<TransformComponent>();
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foreach (var dir in new[]
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{ Direction.South, Direction.East, Direction.North, Direction.West })
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{
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var index = (int) dir / 2;
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var pop = shuttle.LinearThrusters[index];
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var totalThrust = 0f;
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foreach (var ent in pop)
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{
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if (!thrustQuery.TryGetComponent(ent, out var thruster) || !xformQuery.TryGetComponent(ent, out var xform))
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continue;
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center += xform.LocalPosition * thruster.Thrust;
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totalThrust += thruster.Thrust;
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}
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center /= pop.Count * totalThrust;
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shuttle.CenterOfThrust[index] = center;
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}
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}
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public void DisableThruster(EntityUid uid, ThrusterComponent component, TransformComponent? xform = null, Angle? angle = null)
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{
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if (!Resolve(uid, ref xform)) return;
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DisableThruster(uid, component, xform.GridUid, xform);
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}
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/// <summary>
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/// Tries to disable the thruster.
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/// </summary>
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public void DisableThruster(EntityUid uid, ThrusterComponent component, EntityUid? gridId, TransformComponent? xform = null, Angle? angle = null)
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{
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if (!component.IsOn ||
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!Resolve(uid, ref xform))
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{
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return;
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}
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component.IsOn = false;
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if (!EntityManager.TryGetComponent(gridId, out ShuttleComponent? shuttleComponent))
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return;
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// Logger.DebugS("thruster", $"Disabled thruster {uid}");
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switch (component.Type)
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{
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case ThrusterType.Linear:
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angle ??= xform.LocalRotation;
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var direction = (int) angle.Value.GetCardinalDir() / 2;
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shuttleComponent.LinearThrust[direction] -= component.Thrust;
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DebugTools.Assert(shuttleComponent.LinearThrusters[direction].Contains(uid));
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shuttleComponent.LinearThrusters[direction].Remove(uid);
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break;
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case ThrusterType.Angular:
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shuttleComponent.AngularThrust -= component.Thrust;
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DebugTools.Assert(shuttleComponent.AngularThrusters.Contains(uid));
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shuttleComponent.AngularThrusters.Remove(uid);
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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if (EntityManager.TryGetComponent(uid, out AppearanceComponent? appearance))
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{
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_appearance.SetData(uid, ThrusterVisualState.State, false, appearance);
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}
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if (_light.TryGetLight(uid, out var pointLightComponent))
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{
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_light.SetEnabled(uid, false, pointLightComponent);
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}
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_ambient.SetAmbience(uid, false);
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if (EntityManager.TryGetComponent(uid, out PhysicsComponent? physicsComponent))
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{
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_fixtureSystem.DestroyFixture(uid, BurnFixture, body: physicsComponent);
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}
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component.Colliding.Clear();
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RefreshCenter(uid, shuttleComponent);
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}
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public bool CanEnable(EntityUid uid, ThrusterComponent component)
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{
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if (!component.Enabled)
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return false;
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if (component.LifeStage > ComponentLifeStage.Running)
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return false;
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var xform = Transform(uid);
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if (!xform.Anchored ||!this.IsPowered(uid, EntityManager))
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{
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return false;
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}
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if (!component.RequireSpace)
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return true;
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return NozzleExposed(xform);
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}
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private bool NozzleExposed(TransformComponent xform)
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{
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if (xform.GridUid == null)
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return true;
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var (x, y) = xform.LocalPosition + xform.LocalRotation.Opposite().ToWorldVec();
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var tile = _mapManager.GetGrid(xform.GridUid.Value).GetTileRef(new Vector2i((int) Math.Floor(x), (int) Math.Floor(y)));
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return tile.Tile.IsSpace();
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}
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#region Burning
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public override void Update(float frameTime)
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{
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base.Update(frameTime);
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var query = EntityQueryEnumerator<ThrusterComponent>();
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var curTime = _timing.CurTime;
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while (query.MoveNext(out var comp))
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{
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if (!comp.Firing || comp.Colliding.Count == 0 || comp.Damage == null || comp.NextFire < curTime)
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continue;
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comp.NextFire += TimeSpan.FromSeconds(1);
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foreach (var uid in comp.Colliding.ToArray())
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{
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_damageable.TryChangeDamage(uid, comp.Damage);
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}
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}
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}
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private void OnStartCollide(EntityUid uid, ThrusterComponent component, ref StartCollideEvent args)
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{
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if (args.OurFixtureId != BurnFixture)
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return;
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component.Colliding.Add(args.OtherEntity);
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}
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private void OnEndCollide(EntityUid uid, ThrusterComponent component, ref EndCollideEvent args)
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{
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if (args.OurFixtureId != BurnFixture)
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return;
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component.Colliding.Remove(args.OtherEntity);
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}
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/// <summary>
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/// Considers a thrust direction as being active.
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/// </summary>
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public void EnableLinearThrustDirection(ShuttleComponent component, DirectionFlag direction)
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{
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if ((component.ThrustDirections & direction) != 0x0)
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return;
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component.ThrustDirections |= direction;
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var index = GetFlagIndex(direction);
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var appearanceQuery = GetEntityQuery<AppearanceComponent>();
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var thrusterQuery = GetEntityQuery<ThrusterComponent>();
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foreach (var uid in component.LinearThrusters[index])
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{
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if (!thrusterQuery.TryGetComponent(uid, out var comp))
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continue;
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comp.Firing = true;
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appearanceQuery.TryGetComponent(uid, out var appearance);
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_appearance.SetData(uid, ThrusterVisualState.Thrusting, true, appearance);
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}
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}
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/// <summary>
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/// Disables a thrust direction.
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/// </summary>
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public void DisableLinearThrustDirection(ShuttleComponent component, DirectionFlag direction)
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{
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if ((component.ThrustDirections & direction) == 0x0)
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return;
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component.ThrustDirections &= ~direction;
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var index = GetFlagIndex(direction);
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var appearanceQuery = GetEntityQuery<AppearanceComponent>();
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var thrusterQuery = GetEntityQuery<ThrusterComponent>();
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foreach (var uid in component.LinearThrusters[index])
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{
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if (!thrusterQuery.TryGetComponent(uid, out var comp))
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continue;
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appearanceQuery.TryGetComponent(uid, out var appearance);
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comp.Firing = false;
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_appearance.SetData(uid, ThrusterVisualState.Thrusting, false, appearance);
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}
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}
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|
|
public void DisableLinearThrusters(ShuttleComponent component)
|
|
{
|
|
foreach (DirectionFlag dir in Enum.GetValues(typeof(DirectionFlag)))
|
|
{
|
|
DisableLinearThrustDirection(component, dir);
|
|
}
|
|
|
|
DebugTools.Assert(component.ThrustDirections == DirectionFlag.None);
|
|
}
|
|
|
|
public void SetAngularThrust(ShuttleComponent component, bool on)
|
|
{
|
|
var appearanceQuery = GetEntityQuery<AppearanceComponent>();
|
|
var thrusterQuery = GetEntityQuery<ThrusterComponent>();
|
|
|
|
if (on)
|
|
{
|
|
foreach (var uid in component.AngularThrusters)
|
|
{
|
|
if (!thrusterQuery.TryGetComponent(uid, out var comp))
|
|
continue;
|
|
|
|
appearanceQuery.TryGetComponent(uid, out var appearance);
|
|
comp.Firing = true;
|
|
_appearance.SetData(uid, ThrusterVisualState.Thrusting, true, appearance);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
foreach (var uid in component.AngularThrusters)
|
|
{
|
|
if (!thrusterQuery.TryGetComponent(uid, out var comp))
|
|
continue;
|
|
|
|
appearanceQuery.TryGetComponent(uid, out var appearance);
|
|
comp.Firing = false;
|
|
_appearance.SetData(uid, ThrusterVisualState.Thrusting, false, appearance);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
private int GetFlagIndex(DirectionFlag flag)
|
|
{
|
|
return (int) Math.Log2((int) flag);
|
|
}
|
|
}
|