public static bool AssociateAllBones(this SpriteCache sprite)
{
var skinningCache = sprite.skinningCache;
if (skinningCache.mode == SkinningMode.SpriteSheet)
{
return(false);
}
var character = skinningCache.character;
Debug.Assert(character != null);
Debug.Assert(character.skeleton != null);
var characterPart = sprite.GetCharacterPart();
Debug.Assert(characterPart != null);
var bones = character.skeleton.bones.Where(x => x.isVisible).ToArray();
characterPart.bones = bones;
characterPart.sprite.UpdateMesh(bones);
return(true);
}
public static bool IsVisible(this SpriteCache sprite)
{
var isVisible = true;
var characterPart = sprite.GetCharacterPart();
if (sprite.skinningCache.mode == SkinningMode.Character && characterPart != null)
{
isVisible = characterPart.isVisible;
}
return(isVisible);
}
public static void DeassociateUnusedBones(this SpriteCache sprite)
{
var skinningCache = sprite.skinningCache;
Debug.Assert(skinningCache.mode == SkinningMode.Character);
var characterPart = sprite.GetCharacterPart();
Debug.Assert(characterPart != null);
characterPart.DeassociateUnusedBones();
}
public static BoneCache[] GetBonesFromMode(this SpriteCache sprite)
{
var skinningCache = sprite.skinningCache;
if (skinningCache.mode == SkinningMode.SpriteSheet)
{
return(sprite.GetSkeleton().bones);
}
var characterPart = sprite.GetCharacterPart();
Debug.Assert(characterPart != null);
return(characterPart.bones);
}
public static Matrix4x4 GetLocalToWorldMatrixFromMode(this SpriteCache sprite)
{
var skinningCache = sprite.skinningCache;
if (skinningCache.mode == SkinningMode.SpriteSheet)
{
return(sprite.localToWorldMatrix);
}
var characterPart = sprite.GetCharacterPart();
Debug.Assert(characterPart != null);
return(characterPart.localToWorldMatrix);
}
public static void DeassociateAllBones(this SpriteCache sprite)
{
var skinningCache = sprite.skinningCache;
if (skinningCache.mode == SkinningMode.SpriteSheet)
{
return;
}
var part = sprite.GetCharacterPart();
if (part.bones.Length == 0)
{
return;
}
Debug.Assert(part.sprite != null);
part.bones = new BoneCache[0];
part.sprite.UpdateMesh(part.bones);
skinningCache.events.characterPartChanged.Invoke(part);
}
private void GenerateWeights(SpriteCache sprite)
{
Debug.Assert(sprite != null);
var mesh = sprite.GetMesh();
Debug.Assert(mesh != null);
using (new DefaultPoseScope(skinningCache.GetEffectiveSkeleton(sprite)))
{
if (NeedsAssociateBones(sprite.GetCharacterPart()))
{
using (new AssociateBonesScope(sprite))
{
GenerateWeights(mesh);
}
}
else
{
GenerateWeights(mesh);
}
}
}
public static bool AssociatePossibleBones(this SpriteCache sprite)
{
var skinningCache = sprite.skinningCache;
if (skinningCache.mode == SkinningMode.SpriteSheet)
{
return(false);
}
var character = skinningCache.character;
Debug.Assert(character != null);
Debug.Assert(character.skeleton != null);
var characterPart = sprite.GetCharacterPart();
Debug.Assert(characterPart != null);
var bones = character.skeleton.bones.Where(x => x.isVisible).ToArray();
var possibleBones = new List <BoneCache>();
// check if any of the bones overlapped
BoneCache shortestBoneDistance = null;
var minDistances = float.MaxValue;
var characterSpriteRect = new Rect(characterPart.position.x, characterPart.position.y, characterPart.sprite.textureRect.width, characterPart.sprite.textureRect.height);
foreach (var bone in bones)
{
var startPoint = bone.position;
var endPoint = bone.endPosition;
if (IntersectsSegment(characterSpriteRect, startPoint, endPoint))
{
possibleBones.Add(bone);
}
if (possibleBones.Count == 0)
{
// compare bone start end with rect's 4 line
// compare rect point with bone line
var points = new Vector2[] { startPoint, endPoint };
var rectLinePoints = new []
{
new Vector2Int(0, 1),
new Vector2Int(0, 2),
new Vector2Int(1, 3),
new Vector2Int(2, 3),
};
var rectPoints = new []
{
new Vector2(characterSpriteRect.xMin, characterSpriteRect.yMin),
new Vector2(characterSpriteRect.xMin, characterSpriteRect.yMax),
new Vector2(characterSpriteRect.xMax, characterSpriteRect.yMin),
new Vector2(characterSpriteRect.xMax, characterSpriteRect.yMax)
};
foreach (var point in points)
{
foreach (var rectLine in rectLinePoints)
{
var distance = PointToLineSegmentDistance(point, rectPoints[rectLine.x], rectPoints[rectLine.y]);
if (distance < minDistances)
{
minDistances = distance;
shortestBoneDistance = bone;
}
}
}
foreach (var rectPoint in rectPoints)
{
var distance = PointToLineSegmentDistance(rectPoint, startPoint, endPoint);
if (distance < minDistances)
{
minDistances = distance;
shortestBoneDistance = bone;
}
}
}
}
// if none overlapped, we use the bone that is closest to us
if (possibleBones.Count == 0 && shortestBoneDistance != null)
{
possibleBones.Add(shortestBoneDistance);
}
characterPart.bones = possibleBones.ToArray();
characterPart.sprite.UpdateMesh(possibleBones.ToArray());
return(true);
}
public void PasteMesh(SpriteCache sprite, SkinningCopySpriteData skinningSpriteData, bool flipX, bool flipY, float scale, NewBonesStore newBonesStore)
{
if (sprite == null)
{
return;
}
meshTool.SetupSprite(sprite);
meshTool.mesh.vertices = skinningSpriteData.vertices;
if (!Mathf.Approximately(scale, 1f) || flipX || flipY)
{
var spriteRect = sprite.textureRect;
foreach (var vertex in meshTool.mesh.vertices)
{
var position = vertex.position;
if (!Mathf.Approximately(scale, 1f))
{
position = position * scale;
}
if (flipX)
{
position.x = spriteRect.width - vertex.position.x;
}
if (flipY)
{
position.y = spriteRect.height - vertex.position.y;
}
vertex.position = position;
}
}
meshTool.mesh.indices = skinningSpriteData.indices;
meshTool.mesh.edges = skinningSpriteData.edges;
int[] copyBoneToNewBones = new int[skinningSpriteData.boneWeightNames.Count];
BoneCache[] setBones = null;
if (newBonesStore != null && newBonesStore.newBones != null)
{
// Update bone weights with new bone indices
var setBonesList = new List <BoneCache>();
copyBoneToNewBones = new int[skinningSpriteData.boneWeightNames.Count];
int index = 0;
for (int i = 0; i < skinningSpriteData.boneWeightNames.Count; ++i)
{
string oldBoneName = skinningSpriteData.boneWeightNames[i];
string newBoneName;
newBonesStore.newBoneNameDict.TryGetValue(oldBoneName, out newBoneName);
var newBone = newBonesStore.newBones.FirstOrDefault(bone => bone.name == newBoneName);
copyBoneToNewBones[i] = -1;
if (newBone == null)
{
continue;
}
for (int j = 0; j < skinningSpriteData.spriteBones.Count; ++j)
{
if (skinningSpriteData.spriteBones[j].name == oldBoneName)
{
copyBoneToNewBones[i] = index++;
setBonesList.Add(newBone);
break;
}
}
}
setBones = setBonesList.ToArray();
}
else
{
// Attempt to link weights based on existing bone names
var skeleton = skinningCache.GetEffectiveSkeleton(sprite);
var characterBones = new List <BoneCache>();
for (int i = 0; i < skinningSpriteData.boneWeightNames.Count; ++i)
{
copyBoneToNewBones[i] = -1;
var boneName = skinningSpriteData.boneWeightNames[i];
for (int j = 0; j < skeleton.bones.Length; ++j)
{
if (skeleton.bones[j].name == boneName)
{
copyBoneToNewBones[i] = characterBones.Count;
characterBones.Add(skeleton.bones[j]);
break;
}
}
}
setBones = characterBones.ToArray();
}
// Remap new bone indexes from copied bone indexes
foreach (var vertex in meshTool.mesh.vertices)
{
var editableBoneWeight = vertex.editableBoneWeight;
for (var i = 0; i < editableBoneWeight.Count; ++i)
{
if (!editableBoneWeight[i].enabled)
{
continue;
}
var boneIndex = copyBoneToNewBones[editableBoneWeight[i].boneIndex];
if (boneIndex != -1)
{
editableBoneWeight[i].boneIndex = boneIndex;
}
}
}
// Update associated bones for mesh
meshTool.mesh.SetCompatibleBoneSet(setBones);
meshTool.mesh.bones = setBones; // Fixes weights for bones that do not exist
// Update associated bones for character
if (skinningCache.hasCharacter)
{
var characterPart = sprite.GetCharacterPart();
if (characterPart != null)
{
characterPart.bones = setBones;
skinningCache.events.characterPartChanged.Invoke(characterPart);
}
}
meshTool.UpdateMesh();
}
public NewBonesStore PasteSkeletonBones(SpriteCache sprite, List <SpriteBone> spriteBones, bool flipX, bool flipY, float scale = 1.0f)
{
NewBonesStore newBonesStore = new NewBonesStore();
newBonesStore.newBones = skinningCache.CreateBoneCacheFromSpriteBones(spriteBones.ToArray(), scale);
if (newBonesStore.newBones.Length == 0)
{
return(null);
}
if (sprite == null || (skinningCache.mode == SkinningMode.SpriteSheet && skinningCache.hasCharacter))
{
return(null);
}
var spriteRect = sprite.textureRect;
var skeleton = skinningCache.GetEffectiveSkeleton(sprite);
var rectPosition = spriteRect.position;
if (skinningCache.mode == SkinningMode.Character)
{
var characterPart = sprite.GetCharacterPart();
if (characterPart == null)
{
return(null);
}
rectPosition = characterPart.position;
}
var newPositions = new Vector3[newBonesStore.newBones.Length];
var newRotations = new Quaternion[newBonesStore.newBones.Length];
for (var i = 0; i < newBonesStore.newBones.Length; ++i)
{
newPositions[i] = GetFlippedBonePosition(newBonesStore.newBones[i], rectPosition, spriteRect, flipX, flipY);
newRotations[i] = GetFlippedBoneRotation(newBonesStore.newBones[i], flipX, flipY);
}
for (var i = 0; i < newBonesStore.newBones.Length; ++i)
{
newBonesStore.newBones[i].position = newPositions[i];
newBonesStore.newBones[i].rotation = newRotations[i];
}
if (skinningCache.mode == SkinningMode.SpriteSheet)
{
newBonesStore.MapAllExistingBones();
skeleton.SetBones(newBonesStore.newBones);
}
else
{
var existingBoneNames = skeleton.bones.Select(x => x.name).ToList();
skeleton.AddBones(newBonesStore.newBones);
var bones = skeleton.bones;
// Update names of all newly pasted bones
foreach (var bone in newBonesStore.newBones)
{
if (existingBoneNames.Contains(bone.name))
{
var oldBoneName = bone.name;
bone.name = SkeletonController.AutoBoneName(bone.parentBone, bones);
existingBoneNames.Add(bone.name);
newBonesStore.newBoneNameDict.Add(oldBoneName, bone.name);
}
else
{
newBonesStore.newBoneNameDict.Add(bone.name, bone.name);
}
}
skeleton.SetDefaultPose();
}
skinningCache.events.skeletonTopologyChanged.Invoke(skeleton);
return(newBonesStore);
}
public SkinningCopyData CopySingle(SpriteCache sprite)
{
var skinningCopyData = new SkinningCopyData();
skinningCopyData.pixelsPerUnit = pixelsPerUnit;
// Mesh
var skinningSpriteData = new SkinningCopySpriteData();
skinningCopyData.copyData.Add(skinningSpriteData);
CopyMeshFromSpriteCache(sprite, skinningSpriteData);
// Bones
var rootBones = new List <BoneCache>();
if (skinningCache.hasCharacter)
{
var characterPart = skinningCache.GetCharacterPart(sprite);
if (characterPart != null && characterPart.bones != null)
{
var bones = characterPart.bones.FindRoots();
foreach (var bone in bones)
{
rootBones.Add(bone);
}
}
}
else
{
var skeleton = skinningCache.GetEffectiveSkeleton(sprite);
if (skeleton != null && skeleton.BoneCount > 0)
{
var bones = skeleton.bones.FindRoots();
foreach (var bone in bones)
{
rootBones.Add(bone);
}
}
}
if (rootBones.Count > 0)
{
skinningSpriteData.spriteBones = new List <SpriteBone>();
foreach (var rootBone in rootBones)
{
var rootBoneIndex = skinningSpriteData.spriteBones.Count;
GetSpriteBoneDataRecursively(skinningSpriteData.spriteBones, rootBone);
if (skinningCache.hasCharacter)
{
// Offset the bones based on the currently selected Sprite in Character mode
var characterPart = sprite.GetCharacterPart();
if (characterPart != null)
{
var offset = characterPart.position;
var rootSpriteBone = skinningSpriteData.spriteBones[rootBoneIndex];
rootSpriteBone.position = rootSpriteBone.position - offset;
skinningSpriteData.spriteBones[rootBoneIndex] = rootSpriteBone;
}
}
}
}
return(skinningCopyData);
}
public void PasteMesh(SpriteCache sprite, SkinningCopySpriteData skinningSpriteData, bool flipX, bool flipY, float scale, BoneCache[] newBones)
{
if (sprite == null)
{
return;
}
meshTool.SetupSprite(sprite);
meshTool.mesh.vertices = skinningSpriteData.vertices;
if (!Mathf.Approximately(scale, 1f) || flipX || flipY)
{
var spriteRect = sprite.textureRect;
foreach (var vertex in meshTool.mesh.vertices)
{
var position = vertex.position;
if (!Mathf.Approximately(scale, 1f))
{
position = position * scale;
}
if (flipX)
{
position.x = spriteRect.width - vertex.position.x;
}
if (flipY)
{
position.y = spriteRect.height - vertex.position.y;
}
vertex.position = position;
}
}
meshTool.mesh.indices = skinningSpriteData.indices;
meshTool.mesh.edges = skinningSpriteData.edges;
if (newBones != null)
{
// Update bone weights with new bone indices
int[] copyBoneToNewBones = new int[skinningSpriteData.boneWeightNames.Count];
for (int i = 0; i < skinningSpriteData.boneWeightNames.Count; ++i)
{
copyBoneToNewBones[i] = -1;
var boneName = skinningSpriteData.boneWeightNames[i];
for (int j = 0; j < skinningSpriteData.spriteBones.Count; ++j)
{
if (skinningSpriteData.spriteBones[j].name == boneName)
{
copyBoneToNewBones[i] = j;
break;
}
}
}
// Remap new bone indexes from copied bone indexes
foreach (var vertex in meshTool.mesh.vertices)
{
var editableBoneWeight = vertex.editableBoneWeight;
for (var i = 0; i < editableBoneWeight.Count; ++i)
{
if (!editableBoneWeight[i].enabled)
{
continue;
}
var boneIndex = copyBoneToNewBones[editableBoneWeight[i].boneIndex];
if (boneIndex != -1)
{
editableBoneWeight[i].boneIndex = boneIndex;
}
}
}
// Update associated bones for mesh
meshTool.mesh.SetCompatibleBoneSet(newBones);
meshTool.mesh.bones = newBones; // Fixes weights for bones that do not exist
// Update associated bones for character
if (skinningCache.hasCharacter)
{
var characterPart = sprite.GetCharacterPart();
if (characterPart != null)
{
characterPart.bones = newBones;
skinningCache.events.characterPartChanged.Invoke(characterPart);
}
}
}
meshTool.UpdateMesh();
}
public CharacterPartCache GetSpriteCharacterPart(SpriteCache sprite)
{
return(sprite.GetCharacterPart());
}