78 lines
2.3 KiB
C#
78 lines
2.3 KiB
C#
using System.Numerics;
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using Robust.Shared.Serialization;
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namespace Content.Shared.Sprite;
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public abstract class SharedScaleVisualsSystem : EntitySystem
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{
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[Dependency] private readonly SharedAppearanceSystem _appearance = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<ScaleVisualsComponent, MapInitEvent>(OnMapInit);
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SubscribeLocalEvent<ScaleVisualsComponent, ComponentShutdown>(OnComponentShutdown);
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}
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private void OnMapInit(Entity<ScaleVisualsComponent> ent, ref MapInitEvent args)
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{
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SetSpriteScale(ent.Owner, ent.Comp.Scale);
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}
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private void OnComponentShutdown(Entity<ScaleVisualsComponent> ent, ref ComponentShutdown args)
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{
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ResetScale(ent);
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}
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protected virtual void ResetScale(Entity<ScaleVisualsComponent> ent)
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{
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var ev = new ScaleEntityEvent(ent.Owner, Vector2.One);
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RaiseLocalEvent(ent.Owner, ref ev);
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}
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/// <summary>
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/// Used to set the <see cref="Robust.Client.GameObjects.SpriteComponent.Scale"/> datafield to a certain value from the server.
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/// </summary>
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public void SetSpriteScale(EntityUid uid, Vector2 scale)
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{
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var comp = EnsureComp<ScaleVisualsComponent>(uid);
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comp.Scale = scale;
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Dirty(uid, comp);
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var appearanceComponent = EnsureComp<AppearanceComponent>(uid);
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_appearance.SetData(uid, ScaleVisuals.Scale, scale, appearanceComponent);
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// Raise an event for content use.
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var ev = new ScaleEntityEvent(uid, scale);
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RaiseLocalEvent(uid, ref ev);
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}
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/// <summary>
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/// Gets the current scale set by <see cref="SetSpriteScale"/>.
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/// This does not include any direct changes made to the SpriteComponent.
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/// </summary>
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public Vector2 GetSpriteScale(EntityUid uid)
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{
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if (!TryComp<AppearanceComponent>(uid, out var appearanceComponent))
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return Vector2.One;
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if (!_appearance.TryGetData<Vector2>(uid, ScaleVisuals.Scale, out var scale, appearanceComponent))
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scale = Vector2.One;
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return scale;
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}
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}
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/// <summary>
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/// Raised when a sprite scale is changed.
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/// </summary>
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[ByRefEvent]
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public readonly record struct ScaleEntityEvent(EntityUid Uid, Vector2 Scale);
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[Serializable, NetSerializable]
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public enum ScaleVisuals : byte
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{
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Scale,
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}
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