private void _LoadBone(BlendTypeRepository repository, BlendValueCapsule bone, int parentBoneIndex, ref List <DrawSystem.BoneData> outList)
{
if (bone != null)
{
// make bone data
var name = bone.GetMember("name").GetAllValueAsString();
float length = bone.GetMember("length").GetRawValue <float>();
var offset = new Vector3()
{
X = bone.GetMember("head").GetAt(0).GetRawValue <float>(),
Y = bone.GetMember("head").GetAt(1).GetRawValue <float>(),
Z = bone.GetMember("head").GetAt(2).GetRawValue <float>(),
};
offset = BlenderUtil.ChangeCoordsSystem(offset);
var elements = new float[16];
for (int i = 0; i < 4; ++i)
{
for (int j = 0; j < 4; ++j)
{
elements[i * 4 + j] = bone.GetMember("arm_mat").GetAt(i, j).GetRawValue <float>();
}
}
var modelTrans = new Matrix(elements);
modelTrans = BlenderUtil.ChangeCoordsSystem(modelTrans);
var result = new DrawSystem.BoneData()
{
Name = name,
Parent = parentBoneIndex,
BoneTransform = modelTrans, // convert local bone transformation after
BoneOffset = Matrix.Invert(modelTrans),
Length = length,
};
outList.Add(result);
parentBoneIndex = outList.Count() - 1;
//Console.WriteLine(" found bone : " + name);
// call for children
var childBone = bone.GetMember("childbase").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
while (childBone != null)
{
_LoadBone(repository, childBone, parentBoneIndex, ref outList);
childBone = childBone.GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
}
}
private bool _LoadArmature(BlendTypeRepository repository, BlendValueCapsule meshObj, out DrawSystem.BoneData[] outBoneArray, out int[] outDeformGroupIndex2BoneIndex, out AnimType.AnimationData outAnimData)
{
BlendValueCapsule bArmature = null;
BlendValueCapsule bAnimData = null;
// find blend value
{
var mod = meshObj.GetMember("modifiers").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
while (mod != null)
{
if (mod.Type.Equals(repository.Find("ArmatureModifierData")))
{
// animation modifier
var armatureObj = mod.GetMember("object").GetRawValue <BlendAddress>().DereferenceOne();
if (armatureObj != null)
{
bArmature = armatureObj.GetMember("data").GetRawValue <BlendAddress>().DereferenceOne();
bAnimData = armatureObj.GetMember("adt").GetRawValue <BlendAddress>().DereferenceOne();
break;
}
}
mod = mod.GetMember("modifier").GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
}
// build boneList from armature
var boneList = new List <DrawSystem.BoneData>();
if (bArmature != null)
{
var firstBone = bArmature.GetMember("bonebase").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
var tmpBoneList = new List <DrawSystem.BoneData>();
_LoadBone(repository, firstBone, -1, ref tmpBoneList);
// compute local bone matrix
for (int boneIndex = 0; boneIndex < tmpBoneList.Count(); ++boneIndex)
{
var tmp = tmpBoneList[boneIndex];
if (!tmp.IsMasterBone())
{
tmp.BoneTransform = tmp.BoneTransform * Matrix.Invert(tmpBoneList[tmp.Parent].BoneTransform);
}
boneList.Add(tmp);
}
}
// build anime data from animAction
var animActionList = new List <AnimType.ActionData>();
if (bAnimData != null)
{
var bAnimAction = bAnimData.GetMember("action").GetRawValue <BlendAddress>().DereferenceOne();
// seek the top of action
while (bAnimAction != null)
{
var bTmpAnimAction = bAnimAction.GetMember("id").GetMember("prev").GetRawValue <BlendAddress>().DereferenceOne();
if (bTmpAnimAction == null)
{
break;
}
bAnimAction = bTmpAnimAction;
}
// load action
while (bAnimAction != null)
{
_LoadAction(repository, bAnimAction, ref animActionList);
bAnimAction = bAnimAction.GetMember("id").GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
}
var deformGroupNameList = new List <string>();
var deformGroup = meshObj.GetMember("defbase").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
while (deformGroup != null)
{
var groupName = deformGroup.GetMember("name").GetAllValueAsString();
//Console.WriteLine(" found deform group : " + groupName);
deformGroupNameList.Add(groupName);
deformGroup = deformGroup.GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
if (deformGroupNameList.Count != 0 && boneList.Count != 0)
{
// sort boneArray by deform group
outDeformGroupIndex2BoneIndex = new int[boneList.Count()];
int nextIndex = 0;
foreach (var defName in deformGroupNameList)
{
var bone = boneList.Select((n, index) => new { n, index }).FirstOrDefault(ni => ni.n.Name == defName);
if (bone != null)
{
outDeformGroupIndex2BoneIndex[nextIndex] = bone.index;
}
nextIndex++;
}
outBoneArray = boneList.ToArray();
if (animActionList.Count == 0)
{
outAnimData = new AnimType.AnimationData();
}
else
{
outAnimData = new AnimType.AnimationData();
outAnimData.Actions = animActionList.ToArray();
}
return(true);
}
else
{
outDeformGroupIndex2BoneIndex = new int[0];
outBoneArray = new DrawSystem.BoneData[0];
outAnimData = new AnimType.AnimationData();
return(false);
}
}
