private static BoneSampleData GetBoneSampleDataRecursive(Transform node, List <Transform> smrBones, string basePath, List <BoneSampleData> result, short boneIdx)
{
// 如果此节点及其所有子节点都不在 SkinnedMeshRenderer 内则忽略(此类节点可能是挂点，由 Joint 控制)
if (!IsNodeIsBone(node, smrBones))
{
return(null);
}
BoneSampleData boneInfo = new BoneSampleData();
boneInfo.transform = node;
boneInfo.path = (basePath == string.Empty) ? node.name : string.Format("{0}/{1}", basePath, node.name);
boneInfo.boneIdx = boneIdx;
result.Add(boneInfo);
int childrenCount = node.childCount;
for (int i = 0; i < childrenCount; i++)
{
Transform child = node.GetChild(i);
BoneSampleData childBone = GetBoneSampleDataRecursive(child, smrBones, boneInfo.path, result, boneIdx++);
if (childBone != null)
{
childBone.parent = node;
}
}
return(boneInfo);
}
/// <summary>
/// 获取节点及其所有子节点的骨骼数据并设置其parent关系(深度优先), 同时记录绑点信息
/// </summary>
/// <param name="obj"></param>
/// <param name="boneRoot"></param>
/// <param name="basePath"></param>
/// <param name="result"></param>
public static void GetBoneSampleDataRecursive(GameObject obj, Transform boneRoot, string basePath, Transform[] jointNodes, List <BoneSampleData> result)
{
List <Transform> smrBones = GetAllSmrBones(obj);
GetBoneSampleDataRecursive(boneRoot, smrBones, basePath, result, 0);
foreach (var joint in jointNodes)
{
bool found = false;
foreach (var bone in result)
{
if (bone.transform == joint)
{
bone.isJoint = true;
bone.exposed = true;
found = true;
break;
}
}
if (!found) // 纯绑点，不属于 bone
{
List <Transform> parents = new List <Transform>();
Transform currNode = joint;
while (currNode != obj.transform)
{
parents.Insert(0, currNode);
currNode = currNode.parent;
}
string path = string.Empty;
for (int i = 0; i < parents.Count; i++)
{
Transform jointNode = parents[i];
path += jointNode.name + "/";
var boneFinded = from boneNode in result where boneNode.transform == jointNode select boneNode.transform;
if (boneFinded != null) // 这个路径节点是骨骼
{
continue;
}
BoneSampleData data = new BoneSampleData();
data.transform = jointNode;
data.parent = i == 0 ? null : parents[i - 1];
data.path = jointNode.name;
data.boneIdx = -1;
data.isJoint = true;
data.isPureJoint = true;
data.exposed = i == parents.Count - 1;
data.bindPose = Matrix4x4.TRS(jointNode.localPosition, jointNode.localRotation, jointNode.localScale);
}
}
}
}