A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.Collections.Generic;
3using UnityEngine;
4
5namespace UnityEditor.U2D.Animation
6{
7 internal static class BoneCacheExtensions
8 {
9 public static BoneCache[] ToCharacterIfNeeded(this BoneCache[] bones)
10 {
11 return Array.ConvertAll(bones, ToCharacterIfNeeded);
12 }
13
14 public static BoneCache[] ToSpriteSheetIfNeeded(this BoneCache[] bones)
15 {
16 return Array.ConvertAll(bones, ToSpriteSheetIfNeeded);
17 }
18
19 public static BoneCache ToCharacterIfNeeded(this BoneCache bone)
20 {
21 if (bone == null)
22 return null;
23
24 var skinningCache = bone.skinningCache;
25
26 if (skinningCache.hasCharacter)
27 {
28 if (bone.skeleton != skinningCache.character.skeleton)
29 {
30 var selectedSprite = skinningCache.selectedSprite;
31
32 if (selectedSprite == null)
33 return null;
34
35 var skeleton = selectedSprite.GetSkeleton();
36 var characterPart = selectedSprite.GetCharacterPart();
37
38 Debug.Assert(skeleton != null);
39 Debug.Assert(characterPart != null);
40 Debug.Assert(bone.skeleton == skeleton);
41 Debug.Assert(skeleton.boneCount == characterPart.boneCount);
42
43 var index = skeleton.IndexOf(bone);
44
45 if (index == -1)
46 bone = null;
47 else
48 bone = characterPart.GetBone(index);
49 }
50 }
51
52 return bone;
53 }
54
55 public static BoneCache ToSpriteSheetIfNeeded(this BoneCache bone)
56 {
57 if (bone == null)
58 return null;
59
60 var skinningCache = bone.skinningCache;
61
62 if (skinningCache.hasCharacter && skinningCache.mode == SkinningMode.SpriteSheet)
63 {
64 var selectedSprite = skinningCache.selectedSprite;
65
66 if (selectedSprite == null)
67 return null;
68
69 var characterSkeleton = skinningCache.character.skeleton;
70
71 Debug.Assert(bone.skeleton == characterSkeleton);
72
73 var skeleton = selectedSprite.GetSkeleton();
74 var characterPart = selectedSprite.GetCharacterPart();
75
76 Debug.Assert(skeleton != null);
77 Debug.Assert(characterPart != null);
78 Debug.Assert(skeleton.boneCount == characterPart.boneCount);
79
80 var index = characterPart.IndexOf(bone);
81
82 if (index == -1)
83 bone = null;
84 else
85 bone = skeleton.GetBone(index);
86 }
87
88 return bone;
89 }
90
91 public static UnityEngine.U2D.SpriteBone ToSpriteBone(this BoneCache bone, Matrix4x4 rootTransform, int parentId)
92 {
93 var position = bone.localPosition;
94 var rotation = bone.localRotation;
95
96 if (parentId == -1)
97 {
98 rotation = bone.rotation;
99 position = rootTransform.inverse.MultiplyPoint3x4(bone.position);
100 }
101
102 return new UnityEngine.U2D.SpriteBone()
103 {
104 name = bone.name,
105 guid = bone.guid,
106 position = new Vector3(position.x, position.y, bone.depth),
107 rotation = rotation,
108 length = bone.localLength,
109 parentId = parentId,
110 color = bone.bindPoseColor
111 };
112 }
113
114 public static UnityEngine.U2D.SpriteBone[] ToSpriteBone(this BoneCache[] bones, Matrix4x4 rootTransform)
115 {
116 var spriteBones = new List<UnityEngine.U2D.SpriteBone>();
117
118 foreach (var bone in bones)
119 {
120 var parentId = -1;
121
122 if (ArrayUtility.Contains(bones, bone.parentBone))
123 parentId = Array.IndexOf(bones, bone.parentBone);
124
125 spriteBones.Add(bone.ToSpriteBone(rootTransform, parentId));
126 }
127
128 return spriteBones.ToArray();
129 }
130 }
131}