52 lines
1.7 KiB
C#
52 lines
1.7 KiB
C#
using Content.Shared.Shuttles.Components;
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using Robust.Client.GameObjects;
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namespace Content.Client.Shuttles;
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/// <summary>
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/// Handles making a thruster visibly turn on/emit an exhaust plume according to its state.
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/// </summary>
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public sealed class ThrusterSystem : VisualizerSystem<ThrusterComponent>
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{
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/// <summary>
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/// Updates whether or not the thruster is visibly active/thrusting.
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/// </summary>
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protected override void OnAppearanceChange(EntityUid uid, ThrusterComponent comp, ref AppearanceChangeEvent args)
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{
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if (args.Sprite == null
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|| !AppearanceSystem.TryGetData<bool>(uid, ThrusterVisualState.State, out var state, args.Component))
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return;
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SpriteSystem.LayerSetVisible((uid, args.Sprite), ThrusterVisualLayers.ThrustOn, state);
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SetThrusting(
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uid,
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state && AppearanceSystem.TryGetData<bool>(uid, ThrusterVisualState.Thrusting, out var thrusting, args.Component) && thrusting,
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args.Sprite
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);
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}
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/// <summary>
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/// Sets whether or not the exhaust plume of the thruster is visible or not.
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/// </summary>
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private void SetThrusting(EntityUid uid, bool value, SpriteComponent sprite)
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{
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if (SpriteSystem.LayerMapTryGet((uid, sprite), ThrusterVisualLayers.Thrusting, out var thrustingLayer, false))
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{
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SpriteSystem.LayerSetVisible((uid, sprite), thrustingLayer, value);
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}
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if (SpriteSystem.LayerMapTryGet((uid, sprite), ThrusterVisualLayers.ThrustingUnshaded, out var unshadedLayer, false))
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{
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SpriteSystem.LayerSetVisible((uid, sprite), unshadedLayer, value);
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}
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}
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}
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public enum ThrusterVisualLayers : byte
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{
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Base,
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ThrustOn,
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Thrusting,
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ThrustingUnshaded,
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}
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