75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
using Content.Shared.Chasm;
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using Robust.Client.Animations;
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using Robust.Client.GameObjects;
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using Robust.Shared.Animations;
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namespace Content.Client.Chasm;
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/// <summary>
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/// Handles the falling animation for entities that fall into a chasm.
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/// </summary>
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public sealed class ChasmFallingVisualsSystem : EntitySystem
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{
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[Dependency] private readonly AnimationPlayerSystem _anim = default!;
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private readonly string _chasmFallAnimationKey = "chasm_fall";
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<ChasmFallingComponent, ComponentInit>(OnComponentInit);
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SubscribeLocalEvent<ChasmFallingComponent, ComponentRemove>(OnComponentRemove);
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}
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private void OnComponentInit(EntityUid uid, ChasmFallingComponent component, ComponentInit args)
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{
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if (!TryComp<SpriteComponent>(uid, out var sprite))
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return;
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component.OriginalScale = sprite.Scale;
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var player = EnsureComp<AnimationPlayerComponent>(uid);
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if (_anim.HasRunningAnimation(player, _chasmFallAnimationKey))
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return;
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_anim.Play((uid, player), GetFallingAnimation(component), _chasmFallAnimationKey);
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}
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private void OnComponentRemove(EntityUid uid, ChasmFallingComponent component, ComponentRemove args)
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{
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if (!TryComp<SpriteComponent>(uid, out var sprite))
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return;
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var player = EnsureComp<AnimationPlayerComponent>(uid);
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if (_anim.HasRunningAnimation(player, _chasmFallAnimationKey))
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_anim.Stop(player, _chasmFallAnimationKey);
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sprite.Scale = component.OriginalScale;
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}
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private Animation GetFallingAnimation(ChasmFallingComponent component)
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{
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var length = component.AnimationTime;
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return new Animation()
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{
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Length = length,
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AnimationTracks =
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{
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new AnimationTrackComponentProperty()
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{
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ComponentType = typeof(SpriteComponent),
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Property = nameof(SpriteComponent.Scale),
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KeyFrames =
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{
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new AnimationTrackProperty.KeyFrame(component.OriginalScale, 0.0f),
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new AnimationTrackProperty.KeyFrame(component.AnimationScale, length.Seconds),
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},
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InterpolationMode = AnimationInterpolationMode.Cubic
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}
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}
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};
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}
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}
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