Files
tbd-station-14/Content.Shared/Sprite/SharedScaleVisualsSystem.cs
2025-08-06 14:33:21 +02:00

78 lines
2.3 KiB
C#

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