186 lines
7.9 KiB
C#
186 lines
7.9 KiB
C#
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// Animancer // https://kybernetik.com.au/animancer // Copyright 2018-2023 Kybernetik //
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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#if UNITY_EDITOR
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using Animancer.Editor;
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using UnityEditor;
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#endif
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namespace Animancer
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{
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/// <summary>A <see cref="ClipTransition"/> which gets its clip from a <see cref="DirectionalAnimationSet"/>.</summary>
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/// <remarks>
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/// Documentation: <see href="https://kybernetik.com.au/animancer/docs/manual/playing/directional-sets">Directional Animation Sets</see>
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/// </remarks>
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/// <example><code>
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/// // Leave the Clip field empty in the Inspector and assign its AnimationSet instead.
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/// [SerializeField] private DirectionalClipTransition _Transition;
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///
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/// ...
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///
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/// // Then you can just call SetDirection and Play it like any other transition.
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/// // All of the transition's details like Fade Duration and Events will be applied to whichever clip is plays.
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/// _Transition.SetDirection(Vector2.right);
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/// _Animancer.Play(_Transition);
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/// </code></example>
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/// https://kybernetik.com.au/animancer/api/Animancer/DirectionalClipTransition
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///
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[Serializable]
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public class DirectionalClipTransition : ClipTransition,
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ICopyable<DirectionalClipTransition>
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{
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/************************************************************************************************************************/
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[SerializeField]
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[Tooltip("The animations which used to determine the " + nameof(Clip))]
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private DirectionalAnimationSet _AnimationSet;
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/// <summary>[<see cref="SerializeField"/>]
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/// The <see cref="DirectionalAnimationSet"/> used to determine the <see cref="ClipTransition.Clip"/>.
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/// </summary>
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public ref DirectionalAnimationSet AnimationSet
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=> ref _AnimationSet;
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/// <inheritdoc/>
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public override UnityEngine.Object MainObject
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=> _AnimationSet;
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/************************************************************************************************************************/
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/// <summary>Sets the <see cref="ClipTransition.Clip"/> from the <see cref="AnimationSet"/>.</summary>
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public void SetDirection(Vector2 direction)
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=> Clip = _AnimationSet.GetClip(direction);
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/// <summary>Sets the <see cref="ClipTransition.Clip"/> from the <see cref="AnimationSet"/>.</summary>
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public void SetDirection(int direction)
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=> Clip = _AnimationSet.GetClip(direction);
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/// <summary>Sets the <see cref="ClipTransition.Clip"/> from the <see cref="AnimationSet"/>.</summary>
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public void SetDirection(DirectionalAnimationSet.Direction direction)
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=> Clip = _AnimationSet.GetClip(direction);
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/// <summary>Sets the <see cref="ClipTransition.Clip"/> from the <see cref="AnimationSet"/>.</summary>
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public void SetDirection(DirectionalAnimationSet8.Direction direction)
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=> Clip = _AnimationSet.GetClip((int)direction);
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override void GatherAnimationClips(ICollection<AnimationClip> clips)
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{
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base.GatherAnimationClips(clips);
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clips.GatherFromSource(_AnimationSet);
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}
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public virtual void CopyFrom(DirectionalClipTransition copyFrom)
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{
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base.CopyFrom(copyFrom);
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if (copyFrom == null)
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{
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_AnimationSet = default;
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return;
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}
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_AnimationSet = copyFrom._AnimationSet;
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}
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/************************************************************************************************************************/
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#if UNITY_EDITOR
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/************************************************************************************************************************/
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/// <inheritdoc/>
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[CustomPropertyDrawer(typeof(DirectionalClipTransition), true)]
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public new class Drawer : TransitionDrawer
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{
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/************************************************************************************************************************/
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/// <summary>Creates a new <see cref="Drawer"/>.</summary>
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public Drawer() : base(nameof(_AnimationSet)) { }
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/************************************************************************************************************************/
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/// <inheritdoc/>
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protected override void DoChildPropertyGUI(
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ref Rect area,
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SerializedProperty rootProperty,
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SerializedProperty property,
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GUIContent label)
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{
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var width = area.width;
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var path = property.propertyPath;
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if (path.EndsWith($".{ClipFieldName}"))
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{
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if (property.objectReferenceValue != null)
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{
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var removeArea = AnimancerGUI.StealFromRight(
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ref area, AnimancerGUI.LineHeight, AnimancerGUI.StandardSpacing);
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using (ObjectPool.Disposable.AcquireContent(out var removeLabel, "X",
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$"A {nameof(DirectionalClipTransition)} will get its Clip from the Animation Set" +
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$" at runtime so the Clip might as well be null until then."))
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{
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if (GUI.Button(removeArea, removeLabel, AnimancerGUI.MiniButton))
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property.objectReferenceValue = null;
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}
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}
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if (Context.Transition is DirectionalClipTransition directionalClipTransition &&
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directionalClipTransition._AnimationSet != null)
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{
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var dropdownArea = AnimancerGUI.StealFromRight(
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ref area, area.height, AnimancerGUI.StandardSpacing);
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if (GUI.Button(dropdownArea, GUIContent.none, EditorStyles.popup))
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PickAnimation(property, directionalClipTransition);
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}
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}
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base.DoChildPropertyGUI(ref area, rootProperty, property, label);
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area.width = width;
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}
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/************************************************************************************************************************/
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/// <summary>Shows a context menu to choose an <see cref="AnimationClip"/> from the `source`.</summary>
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private void PickAnimation(SerializedProperty property, object source)
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{
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var menu = new GenericMenu();
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using (ObjectPool.Disposable.AcquireSet<AnimationClip>(out var clips))
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{
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clips.GatherFromSource(source);
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if (clips.Count == 0)
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return;
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property = property.Copy();
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foreach (var clip in clips)
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{
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menu.AddPropertyModifierFunction(property, clip.name, true, modify =>
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{
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modify.objectReferenceValue = clip;
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});
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}
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}
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menu.ShowAsContext();
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}
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/************************************************************************************************************************/
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}
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/************************************************************************************************************************/
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#endif
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/************************************************************************************************************************/
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}
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}
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