Remove obsolete usages of AnimationPlayerComponent (#20806)

Content.Client/Animations/EntityPickupAnimationSystem.cs

@@ -0,0 +1,87 @@
+using System.Numerics;
+using Robust.Client.Animations;
+using Robust.Client.GameObjects;
+using Robust.Shared.Animations;
+using Robust.Shared.Map;
+using Robust.Shared.Spawners;
+using static Robust.Client.Animations.AnimationTrackProperty;
+
+namespace Content.Client.Animations;
+
+/// <summary>
+///     System that handles animating an entity that a player has picked up.
+/// </summary>
+public sealed class EntityPickupAnimationSystem : EntitySystem
+{
+    [Dependency] private readonly AnimationPlayerSystem _animations = default!;
+    [Dependency] private readonly MetaDataSystem _metaData = default!;
+    [Dependency] private readonly TransformSystem _transform = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<EntityPickupAnimationComponent, AnimationCompletedEvent>(OnEntityPickupAnimationCompleted);
+    }
+
+    private void OnEntityPickupAnimationCompleted(EntityUid uid, EntityPickupAnimationComponent component, AnimationCompletedEvent args)
+    {
+        Del(uid);
+    }
+
+    /// <summary>
+    ///     Animates a clone of an entity moving from one point to another before
+    ///     being deleted.
+    ///     Used when the player picks up an entity.
+    /// </summary>
+    public void AnimateEntityPickup(EntityUid uid, EntityCoordinates initial, Vector2 final, Angle initialAngle)
+    {
+        if (Deleted(uid) || !initial.IsValid(EntityManager))
+            return;
+
+        var metadata = MetaData(uid);
+
+        if (IsPaused(uid, metadata))
+            return;
+
+        var animatableClone = Spawn("clientsideclone", initial);
+        EnsureComp<EntityPickupAnimationComponent>(animatableClone);
+        var val = metadata.EntityName;
+        _metaData.SetEntityName(animatableClone, val);
+
+        if (!TryComp(uid, out SpriteComponent? sprite0))
+        {
+            Log.Error("Entity ({0}) couldn't be animated for pickup since it doesn't have a {1}!", metadata.EntityName, nameof(SpriteComponent));
+            return;
+        }
+
+        var sprite = Comp<SpriteComponent>(animatableClone);
+        sprite.CopyFrom(sprite0);
+        sprite.Visible = true;
+
+        var animations = Comp<AnimationPlayerComponent>(animatableClone);
+
+        var despawn = EnsureComp<TimedDespawnComponent>(animatableClone);
+        despawn.Lifetime = 0.25f;
+        _transform.SetLocalRotationNoLerp(animatableClone, initialAngle);
+
+        _animations.Play(animatableClone, animations, new Animation
+        {
+            Length = TimeSpan.FromMilliseconds(125),
+            AnimationTracks =
+            {
+                new AnimationTrackComponentProperty
+                {
+                    ComponentType = typeof(TransformComponent),
+                    Property = nameof(TransformComponent.LocalPosition),
+                    InterpolationMode = AnimationInterpolationMode.Linear,
+                    KeyFrames =
+                    {
+                        new KeyFrame(initial.Position, 0),
+                        new KeyFrame(final, 0.125f)
+                    }
+                },
+            }
+        }, "fancy_pickup_anim");
+    }
+}