128 lines
4.3 KiB
C#
128 lines
4.3 KiB
C#
using System.Collections.Generic;
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using Content.Server.Shuttles.Components;
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using JetBrains.Annotations;
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using Robust.Shared.GameObjects;
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using Robust.Shared.IoC;
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using Robust.Shared.Physics;
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namespace Content.Server.Shuttles.EntitySystems
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{
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[UsedImplicitly]
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internal sealed class ShuttleSystem : EntitySystem
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{
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private const float TileMassMultiplier = 4f;
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public float ShuttleIdleLinearDamping = 0.1f;
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public float ShuttleIdleAngularDamping = 0.2f;
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public float ShuttleMovingLinearDamping = 0.05f;
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public float ShuttleMovingAngularDamping = 0.05f;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<ShuttleComponent, ComponentAdd>(OnShuttleAdd);
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SubscribeLocalEvent<ShuttleComponent, ComponentStartup>(OnShuttleStartup);
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SubscribeLocalEvent<ShuttleComponent, ComponentShutdown>(OnShuttleShutdown);
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SubscribeLocalEvent<GridInitializeEvent>(OnGridInit);
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SubscribeLocalEvent<GridFixtureChangeEvent>(OnGridFixtureChange);
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}
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private void OnShuttleAdd(EntityUid uid, ShuttleComponent component, ComponentAdd args)
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{
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// Easier than doing it in the comp and they don't have constructors.
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for (var i = 0; i < component.LinearThrusters.Length; i++)
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{
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component.LinearThrusters[i] = new List<ThrusterComponent>();
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}
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}
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private void OnGridFixtureChange(GridFixtureChangeEvent args)
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{
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// Look this is jank but it's a placeholder until we design it.
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if (args.NewFixtures.Count == 0) return;
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foreach (var fixture in args.NewFixtures)
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{
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fixture.Mass = fixture.Area * TileMassMultiplier;
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fixture.Restitution = 0.1f;
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}
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}
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private void OnGridInit(GridInitializeEvent ev)
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{
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EntityManager.EnsureComponent<ShuttleComponent>(ev.EntityUid);
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}
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private void OnShuttleStartup(EntityUid uid, ShuttleComponent component, ComponentStartup args)
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{
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if (!IoCManager.Resolve<IEntityManager>().HasComponent<IMapGridComponent>(component.Owner))
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{
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return;
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}
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if (!IoCManager.Resolve<IEntityManager>().TryGetComponent(component.Owner, out PhysicsComponent? physicsComponent))
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{
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return;
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}
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if (component.Enabled)
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{
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Enable(physicsComponent);
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}
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}
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public void Toggle(ShuttleComponent component)
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{
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if (!IoCManager.Resolve<IEntityManager>().TryGetComponent(component.Owner, out PhysicsComponent? physicsComponent)) return;
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component.Enabled = !component.Enabled;
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if (component.Enabled)
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{
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Enable(physicsComponent);
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}
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else
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{
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Disable(physicsComponent);
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}
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}
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private void Enable(PhysicsComponent component)
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{
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component.BodyType = BodyType.Dynamic;
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component.BodyStatus = BodyStatus.InAir;
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//component.FixedRotation = false; TODO WHEN ROTATING SHUTTLES FIXED.
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component.FixedRotation = false;
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component.LinearDamping = ShuttleIdleLinearDamping;
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component.AngularDamping = ShuttleIdleAngularDamping;
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}
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private void Disable(PhysicsComponent component)
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{
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component.BodyType = BodyType.Static;
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component.BodyStatus = BodyStatus.OnGround;
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component.FixedRotation = true;
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}
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private void OnShuttleShutdown(EntityUid uid, ShuttleComponent component, ComponentShutdown args)
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{
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// None of the below is necessary for any cleanup if we're just deleting.
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if (EntityManager.GetComponent<MetaDataComponent>(uid).EntityLifeStage >= EntityLifeStage.Terminating) return;
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if (!IoCManager.Resolve<IEntityManager>().TryGetComponent(component.Owner, out PhysicsComponent? physicsComponent))
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{
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return;
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}
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Disable(physicsComponent);
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foreach (var fixture in physicsComponent.Fixtures)
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{
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fixture.Mass = 0f;
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}
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}
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}
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}
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