void GenerateSkinning()
{
SkinTools t = target as SkinTools;
SkinToolsData data = t.Data;
bool referenceExist = data.ReferenceSMR != null;
Vector3[] rVertices = data.SourceGeometryMF.sharedMesh.vertices;
Vector3[] rNormals = data.SourceGeometryMF.sharedMesh.normals;
Vector3[] rWorldVertices = new Vector3[rVertices.Length];
Vector2[] rMapVertices = data.SourceGeometryMF.sharedMesh.uv;
Matrix4x4 smLTW = data.SourceGeometryMF.transform.localToWorldMatrix;
Matrix4x4 tWTL = t.transform.worldToLocalMatrix;
for (int v = 0; v < rVertices.Length; v++)
{
rWorldVertices[v] = smLTW.MultiplyPoint3x4(rVertices[v]);
rVertices[v] = tWTL.MultiplyPoint3x4(rWorldVertices[v]);
rNormals[v] = smLTW.MultiplyVector(rNormals[v]);
rNormals[v] = tWTL.MultiplyVector(rNormals[v]);
}
data.ResultMesh = Instantiate(data.SourceGeometryMF.sharedMesh) as Mesh;
string[] splittedPath = data.OutputMeshPath.Split("/.".ToCharArray());
string meshName = splittedPath[splittedPath.Length - 2];
data.ResultMesh.name = meshName;
data.ResultMesh.vertices = rVertices;
data.ResultMesh.normals = rNormals;
data.ResultMesh.RecalculateBounds();
data.resultSMR.localBounds = new Bounds(data.ResultMesh.bounds.center, data.ResultMesh.bounds.size * 2);
SourceSMRCollider _collider = null;
SourceSMRCollider _icollider = null;
BoneWeight[] existingWeights = null;
Transform[] sourceBones = null;
int[] sourceSMRTris = null;
Ray[] frays = null;
bool[] excludedTriangles = null;
if (referenceExist)
{
_collider = new SourceSMRCollider(data.ReferenceSMR, false);
_icollider = new SourceSMRCollider(data.ReferenceSMR, true);
existingWeights = data.ReferenceSMR.sharedMesh.boneWeights;
sourceBones = data.ReferenceSMR.bones;
sourceSMRTris = data.ReferenceSMR.sharedMesh.triangles;
excludedTriangles = new bool[data.ReferenceSMR.sharedMesh.triangles.Length / 3];
if (data.ReferenceSMRGeometry != null && data.ReferenceSMRGeometry.IsValid)
{
excludedTriangles = data.ReferenceSMRGeometry.ExcludedTris;
}
if (data.BakingQuality == 0)
{
frays = new Ray[ResourceHolder.Rays362.Length];
for (int i = 0; i < frays.Length; i++)
{
frays[i] = new Ray(Vector3.zero, ResourceHolder.Rays362[i]);
}
}
else if (data.BakingQuality == 1)
{
frays = new Ray[ResourceHolder.Rays642.Length];
for (int i = 0; i < frays.Length; i++)
{
frays[i] = new Ray(Vector3.zero, ResourceHolder.Rays642[i]);
}
}
else if (data.BakingQuality == 2)
{
frays = new Ray[ResourceHolder.Rays1002.Length];
for (int i = 0; i < frays.Length; i++)
{
frays[i] = new Ray(Vector3.zero, ResourceHolder.Rays1002[i]);
}
}
}
ExtBoneWeight[] ebws = new ExtBoneWeight[rWorldVertices.Length];
List <Transform> newBonesList = new List <Transform>();
for (int b = 0; b < data.MapBones.Count; b++)
{
newBonesList.Add(data.MapBones[b].Tr);
}
EditorUtility.DisplayProgressBar("Bake", "Baking vertices", 0);
int progressPercent = 0;
for (int v = 0; v < rWorldVertices.Length; v++)
{
ebws[v] = new ExtBoneWeight( );
if (data.SourceGeometry.HasUV0)
{
Vector2 uv = rMapVertices[v];
for (int b = 0; b < data.MapBones.Count; b++)
{
float val = data.MapBones[b].Map.GetPixelBilinear(uv.x, uv.y).grayscale;
ebws[v].AddMask(data.MapBones[b].Tr, val);
}
}
if (referenceExist)
{
RaycastHit hit = GetNearestHit(frays, _collider._Collider, _icollider._Collider, rWorldVertices[v], excludedTriangles);
BoneWeight bwA = existingWeights [sourceSMRTris[hit.triangleIndex * 3]];
BoneWeight bwB = existingWeights [sourceSMRTris[hit.triangleIndex * 3 + 1]];
BoneWeight bwC = existingWeights [sourceSMRTris[hit.triangleIndex * 3 + 2]];
for (int i = 0; i < 4; i++)
{
Transform nbA = sourceBones[bwA.GetBoneIdx(i)];
Transform nbB = sourceBones[bwB.GetBoneIdx(i)];
Transform nbC = sourceBones[bwC.GetBoneIdx(i)];
if (!data.ReferenceSMRBones[nbA].Excluded)
{
if (!newBonesList.Contains(nbA))
{
newBonesList.Add(nbA);
}
ebws[v].Add(nbA, bwA.GetWeight(i) * hit.barycentricCoordinate.x, 0);
}
if (!data.ReferenceSMRBones[nbB].Excluded)
{
if (!newBonesList.Contains(nbB))
{
newBonesList.Add(nbB);
}
ebws[v].Add(nbB, bwB.GetWeight(i) * hit.barycentricCoordinate.y, 0);
}
if (!data.ReferenceSMRBones[nbC].Excluded)
{
if (!newBonesList.Contains(nbC))
{
newBonesList.Add(nbC);
}
ebws[v].Add(nbC, bwC.GetWeight(i) * hit.barycentricCoordinate.z, 0);
}
}
}
float progress = v / (float)rWorldVertices.Length;
int percent = Mathf.FloorToInt(progress * 100);
if (progressPercent != percent)
{
progressPercent = percent;
string progressBarName = string.Format("Bake {0}", data.ResultMesh.name);
string progressInfo = string.Format("baking vertices {0} of {1} with {2} quality ", v, rWorldVertices.Length, data.BakingQualityNames[data.BakingQuality]);
EditorUtility.DisplayProgressBar(progressBarName, progressInfo, progress);
}
}
EditorUtility.ClearProgressBar();
BoneWeight[] newweights = new BoneWeight[rWorldVertices.Length];
Transform[] newBonesArray = newBonesList.ToArray();
for (int w = 0; w < ebws.Length; w++)
{
ebws[w].FillIndeces(newBonesArray);
newweights[w] = ebws[w].GetClampedBW();
}
data.resultSMR.bones = newBonesArray;
Matrix4x4[] bindBones = new Matrix4x4[newBonesArray.Length];
for (int b = 0; b < newBonesArray.Length; b++)
{
bindBones[b] = newBonesArray[b].worldToLocalMatrix * t.transform.localToWorldMatrix;
}
data.ResultMesh.bindposes = bindBones;
data.ResultMesh.boneWeights = newweights;
if (referenceExist)
{
_collider.Destroy();
_icollider.Destroy();
}
AssetDatabase.DeleteAsset(data.OutputMeshPath);
AssetDatabase.CreateAsset(data.ResultMesh, data.OutputMeshPath);
AssetDatabase.SaveAssets();
data.ResultMesh = AssetDatabase.LoadAssetAtPath(data.OutputMeshPath, typeof(Mesh)) as Mesh;
data.resultSMR.sharedMesh = data.ResultMesh;
data.UpdateResultInfo();
data.ApplyResultVisual();
}
