71 lines
2.6 KiB
C#
71 lines
2.6 KiB
C#
using System.Numerics;
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using Content.Shared.DoAfter;
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using Content.Shared.Gravity;
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using Content.Shared.Hands.Components;
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using Content.Shared.Hands.EntitySystems;
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using Content.Shared.Humanoid;
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using Content.Shared.Mobs.Systems;
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using Content.Shared.Standing;
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using Content.Shared.Throwing;
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using Robust.Shared.Physics.Components;
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using Robust.Shared.Random;
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namespace Content.Server.Standing;
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public sealed class StandingStateSystem : SharedStandingStateSystem
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{
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[Dependency] private readonly IRobustRandom _random = default!;
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[Dependency] private readonly SharedHandsSystem _handsSystem = default!;
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[Dependency] private readonly ThrowingSystem _throwingSystem = default!;
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[Dependency] private readonly SharedTransformSystem _transform = default!;
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[Dependency] private readonly SharedGravitySystem _gravity = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeNetworkEvent<ChangeLayingDownEvent>(OnChangeState);
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SubscribeLocalEvent<StandingStateComponent, DropHandItemsEvent>(FallOver);
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}
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private void OnChangeState(ChangeLayingDownEvent msg, EntitySessionEventArgs args)
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{
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if (args.SenderSession is not { AttachedEntity: { Valid: true } uid }
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|| !Exists(uid)
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|| !TryComp<StandingStateComponent>(args.SenderSession.AttachedEntity, out var standingStateComponent)
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|| _gravity.IsWeightless(args.SenderSession.AttachedEntity.Value))
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return;
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if (standingStateComponent.CurrentState == StandingState.Laying)
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TryStandUp(uid, standingStateComponent);
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else
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{
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Fall(uid);
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}
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}
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private void FallOver(EntityUid uid, StandingStateComponent component, DropHandItemsEvent args)
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{
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var direction = EntityManager.TryGetComponent(uid, out PhysicsComponent? comp) ? comp.LinearVelocity / 50 : Vector2.Zero;
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var dropAngle = _random.NextFloat(0.8f, 1.2f);
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if (!TryComp(uid, out HandsComponent? handsComp))
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return;
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var worldRotation = _transform.GetWorldRotation(uid).ToVec();
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foreach (var hand in handsComp.Hands.Values)
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{
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if (hand.HeldEntity is not { } held)
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continue;
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if (!_handsSystem.TryDrop(uid, hand, checkActionBlocker: false, handsComp: handsComp))
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continue;
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_throwingSystem.TryThrow(
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held,
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_random.NextAngle().RotateVec(direction / dropAngle + worldRotation / 50),
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0.5f * dropAngle * _random.NextFloat(-0.9f, 1.1f),
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uid,
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0);
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}
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}
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}
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