public static List<float> GetArray_FLOAT(string sNameBlenderModule, string sBlenderAccessString)
{
CByteArray oByteArray = new CByteArray(sNameBlenderModule, sBlenderAccessString);
int nArrayElements = oByteArray.GetLengthPayload() / sizeof(float);
List<float> aBlenderArray = new List<float>(nArrayElements);
if (nArrayElements > 0) {
for (int nArrayElement = 0; nArrayElement < nArrayElements; nArrayElement++)
aBlenderArray.Add(oByteArray.ReadFloat());
} else {
Debug.LogWarningFormat("###WARNING: CByteArray.GetArray() gets zero-sided array on '{0}'", oByteArray._sBlenderAccessString);
}
return aBlenderArray;
}
//--------------------------------------------------------------------------- INIT
public override void OnDeserializeFromBlender()
{
base.OnDeserializeFromBlender(); // First call the CBMesh base class to serialize the mesh itself...
_oSkinMeshRendNow = (SkinnedMeshRenderer)CUtility.FindOrCreateComponent(transform, typeof(SkinnedMeshRenderer));
////=== Send blender command to obtain the skinned mesh info ===
CByteArray oBA = new CByteArray("'CBody'", _oBodyBase._sBlenderInstancePath_CBodyBase + _sNameCBodyInstanceMember + ".Unity_GetMesh_SkinnedInfo()");
//===== RECEIVE SKINNING INFORMATION =====
Matrix4x4[] aSkinBindPoses = null; //###WEAK: A bit of unfortunate structure imposed on the code because of how late we read the stream versus how we must init vars for skinned mesh... Can be improved.
Transform[] aSkinBones = null;
List<BoneWeight> aBoneWeights = null;
//=== Read in the flat array of names of vertex groups. This will enable us to map the Blender vertex group blends to our fixed Unity bone rig ===
byte nVertGroupsMesh = oBA.ReadByte();
aSkinBones = new Transform[nVertGroupsMesh];
aSkinBindPoses = new Matrix4x4[nVertGroupsMesh];
//=== Find the root of our skinning bones from our body's main skinned mesh ===
Transform oNodeBoneParentRoot = CUtility.FindChild(_oBodyBase._oBodyRootGO.transform, "Bones");
if (oNodeBoneParentRoot == null)
CUtility.ThrowException("CBMesh is attempting to reconstruct a skinned mesh but was not able to find root node of bones!");
for (byte nVertGroup = 0; nVertGroup < nVertGroupsMesh; nVertGroup++) {
string sVertGroup = oBA.ReadString();
Transform oNodeBone = CUtility.FindNodeByName(oNodeBoneParentRoot, sVertGroup); //###OPT: Recursive on hundreds of bones for hundreds of bones = O squared!! ###IMPROVE: Find by direct path!
if (oNodeBone != null) {
//Debug.Log("Bone found for '" + sVertGroup + "'");
aSkinBones[nVertGroup] = oNodeBone;
aSkinBindPoses[nVertGroup] = oNodeBone.worldToLocalMatrix; //###CHECK
} else {
Debug.LogError("**ERROR: CBMesh.ctor() could not find bone '" + sVertGroup + "'"); //###DESIGN?: Throw?
}
}
//=== Stream in the bone weight info === ###NOTE: Note that this code assumes a compatible bone tree between Blender and Unity!!! To update Unity bones from Blender bones use the CBodyEd.UpdateBonesFromBlender() function
aBoneWeights = new List<BoneWeight>();
int[] aBoneIndex = new int[32]; // Temp arrays
float[] aBoneWeight = new float[32];
int nErrSumOutOfRange = 0;
int nVerts = GetNumVerts();
for (int nVert = 0; nVert < nVerts; nVert++) {
byte nVertGroups = oBA.ReadByte();
float nBoneWeightSum = 0;
if (nVertGroups >= 5) {
Debug.LogWarningFormat("Warning: Skinned mesh '{0}' at vert {1} has {2} vert groups!", _sNameBlenderMesh, nVert, nVertGroups);
CUtility.ThrowException("CBMesh.ctor() encountered a vertex with " + nVertGroups + " vertex groups!");
}
for (byte nVertGroup = 0; nVertGroup < nVertGroups; nVertGroup++) { //###IMPROVE: It might be more elegant to shift this code to Blender Python?
aBoneIndex[nVertGroup] = oBA.ReadByte();
float nBoneWeight = oBA.ReadFloat();
if (nBoneWeight < 0)
//Debug.LogError("CBMesh.ctor() encountered a bone weight below 0 at vert " + nVert + " and vert group " + nVertGroup);
CUtility.ThrowException("CBSkin.ctor() encountered a bone weight below 0 at vert " + nVert + " and vert group " + nVertGroup);
if (nBoneWeight > 1)
//CUtility.ThrowException("CBMesh.ctor() encountered a bone weight over 1 at vert " + nVert + " and vert group " + nVertGroup); //###IMPROVE: Common! What to do? cap??
Debug.LogWarning("CBSkin.ctor() encountered a bone weight over 1 = " + nBoneWeight + " at vert " + nVert + " and vert group " + nVertGroup); //###IMPROVE: Common! What to do? cap??
aBoneWeight[nVertGroup] = nBoneWeight;
nBoneWeightSum += nBoneWeight;
}
if (nBoneWeightSum < 0.999 || nBoneWeightSum > 1.001) {
Debug.LogWarning("###W: CBMesh.ctor() vertex " + nVert + " had out of range weight of " + nBoneWeightSum);
nErrSumOutOfRange++;
}
BoneWeight oBoneWeight = new BoneWeight();
if (nVertGroups > 0) { oBoneWeight.boneIndex0 = aBoneIndex[0]; oBoneWeight.weight0 = aBoneWeight[0]; }
if (nVertGroups > 1) { oBoneWeight.boneIndex1 = aBoneIndex[1]; oBoneWeight.weight1 = aBoneWeight[1]; }
if (nVertGroups > 2) { oBoneWeight.boneIndex2 = aBoneIndex[2]; oBoneWeight.weight2 = aBoneWeight[2]; }
if (nVertGroups > 3) { oBoneWeight.boneIndex3 = aBoneIndex[3]; oBoneWeight.weight3 = aBoneWeight[3]; }
aBoneWeights.Add(oBoneWeight);
}
if (nErrSumOutOfRange > 0) //###CHECK: What to do???
Debug.LogWarning("###ERROR: CBSkin.ctor() found " + nErrSumOutOfRange + " bones with out-of-range sums!");
//=== Read the number of errors detected when sending over the blender bone weights... what to do?? ===
int nErrorsBoneGroups = oBA.ReadInt();
if (nErrorsBoneGroups > 0) //###IMPROVE ###CHECK: What to do???
Debug.LogError("###ERROR: CBSkin.ctor() detected " + nErrorsBoneGroups + " blender-side errors while reading in blender mesh!");
oBA.CheckMagicNumber_End();
//=== Finalize the mesh creation by stuffing _oMeshRender into mesh filter or skinned mesh renderer as appropriate ===
UpdateNormals(); // Fix the normals with the just-serialized map of shared normals
_oMeshNow.bindposes = aSkinBindPoses;
_oMeshNow.boneWeights = aBoneWeights.ToArray();
_oSkinMeshRendNow.sharedMesh = _oMeshNow; //###TODO: skinned mesh complex bounds!
_oSkinMeshRendNow.materials = _aMats;
_oSkinMeshRendNow.bones = aSkinBones;
//=== Conveniently reset skinned mesh renderer flags we always keep constant... makes it easier to override the defaults which go the other way ===
_oSkinMeshRendNow.updateWhenOffscreen = true; //###OPT: Should some mesh have this off?
_oSkinMeshRendNow.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.On; //###PERF: Runtime performance of shadows? (All done in different quality settings?)
_oSkinMeshRendNow.receiveShadows = true;
if (_oSkinMeshRendNow.GetComponent<Collider>() != null) //###CHECK: ReleaseGlobalHandles mesh collider here if it exists at gameplay
Destroy(_oSkinMeshRendNow.GetComponent<Collider>());
}