470 lines
20 KiB
C#
470 lines
20 KiB
C#
// 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 System.IO;
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using UnityEngine;
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using Object = UnityEngine.Object;
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namespace Animancer
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{
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/// <summary>A set of up/right/down/left animations.</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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/// https://kybernetik.com.au/animancer/api/Animancer/DirectionalAnimationSet
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///
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[CreateAssetMenu(menuName = Strings.MenuPrefix + "Directional Animation Set/4 Directions", order = Strings.AssetMenuOrder + 10)]
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[HelpURL(Strings.DocsURLs.APIDocumentation + "/" + nameof(DirectionalAnimationSet))]
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public class DirectionalAnimationSet : ScriptableObject, IAnimationClipSource
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{
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/************************************************************************************************************************/
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[SerializeField]
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private AnimationClip _Up;
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/// <summary>[<see cref="SerializeField"/>] The animation facing up (0, 1).</summary>
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/// <exception cref="ArgumentException"><see cref="AllowSetClips"/> was not called before setting this value.</exception>
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public AnimationClip Up
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{
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get => _Up;
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set
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{
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AssertCanSetClips();
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_Up = value;
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AnimancerUtilities.SetDirty(this);
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}
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}
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/************************************************************************************************************************/
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[SerializeField]
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private AnimationClip _Right;
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/// <summary>[<see cref="SerializeField"/>] The animation facing right (1, 0).</summary>
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/// <exception cref="ArgumentException"><see cref="AllowSetClips"/> was not called before setting this value.</exception>
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public AnimationClip Right
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{
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get => _Right;
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set
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{
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AssertCanSetClips();
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_Right = value;
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AnimancerUtilities.SetDirty(this);
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}
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}
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/************************************************************************************************************************/
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[SerializeField]
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private AnimationClip _Down;
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/// <summary>[<see cref="SerializeField"/>] The animation facing down (0, -1).</summary>
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/// <exception cref="ArgumentException"><see cref="AllowSetClips"/> was not called before setting this value.</exception>
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public AnimationClip Down
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{
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get => _Down;
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set
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{
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AssertCanSetClips();
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_Down = value;
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AnimancerUtilities.SetDirty(this);
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}
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}
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/************************************************************************************************************************/
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[SerializeField]
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private AnimationClip _Left;
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/// <summary>[<see cref="SerializeField"/>] The animation facing left (-1, 0).</summary>
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/// <exception cref="ArgumentException"><see cref="AllowSetClips"/> was not called before setting this value.</exception>
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public AnimationClip Left
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{
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get => _Left;
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set
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{
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AssertCanSetClips();
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_Left = value;
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AnimancerUtilities.SetDirty(this);
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}
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}
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/************************************************************************************************************************/
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#if UNITY_ASSERTIONS
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private bool _AllowSetClips;
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#endif
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/// <summary>[Assert-Only] Determines whether the <see cref="AnimationClip"/> properties are allowed to be set.</summary>
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[System.Diagnostics.Conditional(Strings.Assertions)]
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public void AllowSetClips(bool allow = true)
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{
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#if UNITY_ASSERTIONS
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_AllowSetClips = allow;
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#endif
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}
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/// <summary>[Assert-Only] Throws an <see cref="ArgumentException"/> if <see cref="AllowSetClips"/> was not called.</summary>
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[System.Diagnostics.Conditional(Strings.Assertions)]
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public void AssertCanSetClips()
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{
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#if UNITY_ASSERTIONS
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AnimancerUtilities.Assert(_AllowSetClips, $"{nameof(AllowSetClips)}() must be called before attempting to set any of" +
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$" the animations in a {nameof(DirectionalAnimationSet)} to ensure that they are not changed accidentally.");
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#endif
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}
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/************************************************************************************************************************/
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/// <summary>Returns the animation closest to the specified `direction`.</summary>
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public virtual AnimationClip GetClip(Vector2 direction)
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{
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if (direction.x >= 0)
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{
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if (direction.y >= 0)
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return direction.x > direction.y ? _Right : _Up;
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else
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return direction.x > -direction.y ? _Right : _Down;
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}
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else
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{
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if (direction.y >= 0)
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return direction.x < -direction.y ? _Left : _Up;
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else
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return direction.x < direction.y ? _Left : _Down;
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}
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}
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/************************************************************************************************************************/
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#region Directions
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/************************************************************************************************************************/
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/// <summary>The number of animations in this set.</summary>
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public virtual int ClipCount => 4;
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/************************************************************************************************************************/
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/// <summary>Up, Right, Down, or Left.</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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/// https://kybernetik.com.au/animancer/api/Animancer/Direction
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///
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public enum Direction
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{
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/// <summary><see cref="Vector2.up"/>.</summary>
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Up,
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/// <summary><see cref="Vector2.right"/>.</summary>
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Right,
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/// <summary><see cref="Vector2.down"/>.</summary>
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Down,
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/// <summary><see cref="Vector2.left"/>.</summary>
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Left,
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}
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/************************************************************************************************************************/
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/// <summary>Returns the name of the specified `direction`.</summary>
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protected virtual string GetDirectionName(int direction) => ((Direction)direction).ToString();
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/************************************************************************************************************************/
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/// <summary>Returns the animation associated with the specified `direction`.</summary>
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public AnimationClip GetClip(Direction direction)
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{
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switch (direction)
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{
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case Direction.Up: return _Up;
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case Direction.Right: return _Right;
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case Direction.Down: return _Down;
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case Direction.Left: return _Left;
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default: throw AnimancerUtilities.CreateUnsupportedArgumentException(direction);
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}
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}
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/// <summary>Returns the animation associated with the specified `direction`.</summary>
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public virtual AnimationClip GetClip(int direction) => GetClip((Direction)direction);
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/************************************************************************************************************************/
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/// <summary>Sets the animation associated with the specified `direction`.</summary>
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public void SetClip(Direction direction, AnimationClip clip)
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{
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switch (direction)
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{
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case Direction.Up: Up = clip; break;
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case Direction.Right: Right = clip; break;
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case Direction.Down: Down = clip; break;
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case Direction.Left: Left = clip; break;
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default: throw AnimancerUtilities.CreateUnsupportedArgumentException(direction);
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}
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}
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/// <summary>Sets the animation associated with the specified `direction`.</summary>
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public virtual void SetClip(int direction, AnimationClip clip) => SetClip((Direction)direction, clip);
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/************************************************************************************************************************/
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#region Conversion
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/************************************************************************************************************************/
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/// <summary>Returns a vector representing the specified `direction`.</summary>
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public static Vector2 DirectionToVector(Direction direction)
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{
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switch (direction)
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{
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case Direction.Up: return Vector2.up;
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case Direction.Right: return Vector2.right;
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case Direction.Down: return Vector2.down;
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case Direction.Left: return Vector2.left;
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default: throw AnimancerUtilities.CreateUnsupportedArgumentException(direction);
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}
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}
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/// <summary>Returns a vector representing the specified `direction`.</summary>
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public virtual Vector2 GetDirection(int direction) => DirectionToVector((Direction)direction);
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/************************************************************************************************************************/
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/// <summary>Returns the direction closest to the specified `vector`.</summary>
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public static Direction VectorToDirection(Vector2 vector)
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{
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if (vector.x >= 0)
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{
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if (vector.y >= 0)
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return vector.x > vector.y ? Direction.Right : Direction.Up;
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else
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return vector.x > -vector.y ? Direction.Right : Direction.Down;
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}
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else
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{
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if (vector.y >= 0)
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return vector.x < -vector.y ? Direction.Left : Direction.Up;
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else
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return vector.x < vector.y ? Direction.Left : Direction.Down;
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}
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}
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/************************************************************************************************************************/
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/// <summary>Returns a copy of the `vector` pointing in the closest direction this set type has an animation for.</summary>
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public static Vector2 SnapVectorToDirection(Vector2 vector)
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{
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var magnitude = vector.magnitude;
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var direction = VectorToDirection(vector);
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vector = DirectionToVector(direction) * magnitude;
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return vector;
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}
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/// <summary>Returns a copy of the `vector` pointing in the closest direction this set has an animation for.</summary>
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public virtual Vector2 Snap(Vector2 vector) => SnapVectorToDirection(vector);
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/************************************************************************************************************************/
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#endregion
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/************************************************************************************************************************/
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#region Collections
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/************************************************************************************************************************/
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/// <summary>Adds all animations from this set to the `clips`, starting from the specified `index`.</summary>
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public void AddClips(AnimationClip[] clips, int index)
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{
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var count = ClipCount;
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for (int i = 0; i < count; i++)
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clips[index + i] = GetClip(i);
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}
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/// <summary>[<see cref="IAnimationClipSource"/>] Adds all animations from this set to the `clips`.</summary>
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public void GetAnimationClips(List<AnimationClip> clips)
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{
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var count = ClipCount;
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for (int i = 0; i < count; i++)
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clips.Add(GetClip(i));
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}
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/************************************************************************************************************************/
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/// <summary>
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/// Adds unit vectors corresponding to each of the animations in this set to the `directions`, starting from
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/// the specified `index`.
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/// </summary>
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public void AddDirections(Vector2[] directions, int index)
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{
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var count = ClipCount;
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for (int i = 0; i < count; i++)
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directions[index + i] = GetDirection(i);
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}
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/************************************************************************************************************************/
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/// <summary>Calls <see cref="AddClips"/> and <see cref="AddDirections"/>.</summary>
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public void AddClipsAndDirections(AnimationClip[] clips, Vector2[] directions, int index)
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{
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AddClips(clips, index);
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AddDirections(directions, index);
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}
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/************************************************************************************************************************/
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#endregion
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/************************************************************************************************************************/
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#endregion
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/************************************************************************************************************************/
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#region Editor Functions
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/************************************************************************************************************************/
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#if UNITY_EDITOR
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/************************************************************************************************************************/
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[UnityEditor.CustomEditor(typeof(DirectionalAnimationSet), true), UnityEditor.CanEditMultipleObjects]
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private class Editor : Animancer.Editor.ScriptableObjectEditor { }
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/************************************************************************************************************************/
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/// <summary>[Editor-Only]
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/// Attempts to assign the `clip` to one of this set's fields based on its name and returns the direction index
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/// of that field (or -1 if it was unable to determine the direction).
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/// </summary>
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public virtual int SetClipByName(AnimationClip clip)
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{
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var name = clip.name;
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int bestDirection = -1;
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int bestDirectionIndex = -1;
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var directionCount = ClipCount;
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for (int i = 0; i < directionCount; i++)
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{
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var index = name.LastIndexOf(GetDirectionName(i));
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if (bestDirectionIndex < index)
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{
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bestDirectionIndex = index;
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bestDirection = i;
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}
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}
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if (bestDirection >= 0)
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SetClip(bestDirection, clip);
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return bestDirection;
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}
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/************************************************************************************************************************/
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[UnityEditor.MenuItem("CONTEXT/" + nameof(DirectionalAnimationSet) + "/Find Animations")]
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private static void FindSimilarAnimations(UnityEditor.MenuCommand command)
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{
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var set = (DirectionalAnimationSet)command.context;
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UnityEditor.Undo.RecordObject(set, "Find Animations");
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var directory = UnityEditor.AssetDatabase.GetAssetPath(set);
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directory = Path.GetDirectoryName(directory);
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var guids = UnityEditor.AssetDatabase.FindAssets(
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$"{set.name} t:{nameof(AnimationClip)}",
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new string[] { directory });
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for (int i = 0; i < guids.Length; i++)
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{
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var path = UnityEditor.AssetDatabase.GUIDToAssetPath(guids[i]);
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var clip = UnityEditor.AssetDatabase.LoadAssetAtPath<AnimationClip>(path);
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if (clip == null)
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continue;
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set.SetClipByName(clip);
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}
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}
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/************************************************************************************************************************/
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[UnityEditor.MenuItem(Strings.CreateMenuPrefix + "Directional Animation Set/From Selection",
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priority = Strings.AssetMenuOrder + 12)]
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private static void CreateDirectionalAnimationSet()
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{
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var nameToAnimations = new Dictionary<string, List<AnimationClip>>();
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var selection = UnityEditor.Selection.objects;
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for (int i = 0; i < selection.Length; i++)
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{
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var clip = selection[i] as AnimationClip;
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if (clip == null)
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continue;
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var name = clip.name;
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for (Direction direction = 0; direction < (Direction)4; direction++)
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{
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name = name.Replace(direction.ToString(), "");
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}
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if (!nameToAnimations.TryGetValue(name, out var clips))
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{
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clips = new List<AnimationClip>();
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nameToAnimations.Add(name, clips);
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}
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clips.Add(clip);
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}
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if (nameToAnimations.Count == 0)
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throw new InvalidOperationException("No clips are selected");
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var sets = new List<Object>();
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foreach (var nameAndAnimations in nameToAnimations)
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{
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var set = nameAndAnimations.Value.Count <= 4 ?
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CreateInstance<DirectionalAnimationSet>() :
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CreateInstance<DirectionalAnimationSet8>();
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set.AllowSetClips();
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for (int i = 0; i < nameAndAnimations.Value.Count; i++)
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{
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set.SetClipByName(nameAndAnimations.Value[i]);
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}
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var path = UnityEditor.AssetDatabase.GetAssetPath(nameAndAnimations.Value[0]);
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path = $"{Path.GetDirectoryName(path)}/{nameAndAnimations.Key}.asset";
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UnityEditor.AssetDatabase.CreateAsset(set, path);
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sets.Add(set);
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}
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UnityEditor.Selection.objects = sets.ToArray();
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}
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/************************************************************************************************************************/
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[UnityEditor.MenuItem("CONTEXT/" + nameof(DirectionalAnimationSet) + "/Toggle Looping")]
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private static void ToggleLooping(UnityEditor.MenuCommand command)
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{
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var set = (DirectionalAnimationSet)command.context;
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var count = set.ClipCount;
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for (int i = 0; i < count; i++)
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{
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var clip = set.GetClip(i);
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if (clip == null)
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continue;
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var isLooping = !clip.isLooping;
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for (i = 0; i < count; i++)
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{
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clip = set.GetClip(i);
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if (clip == null)
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continue;
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Animancer.Editor.AnimancerEditorUtilities.SetLooping(clip, isLooping);
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}
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break;
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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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#endregion
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/************************************************************************************************************************/
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}
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}
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