45 lines
1.6 KiB
C#
45 lines
1.6 KiB
C#
using System.Linq;
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using Content.Shared.Physics;
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using Content.Shared.Slippery;
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using Content.Shared.StepTrigger.Components;
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using Robust.Shared.Physics;
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using Robust.Shared.Physics.Systems;
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namespace Content.Shared.EntityEffects.Effects;
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/// <summary>
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/// This effect permanently creates a slippery fixture for this entity and then makes this entity slippery like soap.
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/// </summary>
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/// <inheritdoc cref="EntityEffectSystem{T,TEffect}"/>
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public sealed partial class SlipifyEntityEffectSystem : EntityEffectSystem<FixturesComponent, Slipify>
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{
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[Dependency] private readonly CollisionWakeSystem _collisionWake = default!;
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[Dependency] private readonly FixtureSystem _fixture = default!;
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protected override void Effect(Entity<FixturesComponent> entity, ref EntityEffectEvent<Slipify> args)
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{
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EnsureComp<SlipperyComponent>(entity, out var slippery);
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slippery.SlipData = args.Effect.Slippery;
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Dirty(entity, slippery);
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EnsureComp<StepTriggerComponent>(entity);
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if (entity.Comp.Fixtures.FirstOrDefault(x => x.Value.Hard).Value.Shape is not { } shape)
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return;
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_fixture.TryCreateFixture(entity, shape, "slips", 1, false, (int)CollisionGroup.SlipLayer, manager: entity.Comp);
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// Need to disable collision wake so that mobs can collide with and slip on it
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EnsureComp<CollisionWakeComponent>(entity, out var collisionWake);
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_collisionWake.SetEnabled(entity, false, collisionWake);
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}
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}
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/// <inheritdoc cref="EntityEffect"/>
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public sealed partial class Slipify : EntityEffectBase<Slipify>
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{
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[DataField]
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public SlipperyEffectEntry Slippery = new();
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}
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