private void BuildNode(Node parent, ref Matrix4x4 rootTransform)
{
Matrix4x4 trafo = parent.Transform;
Matrix4x4 world = trafo * rootTransform;
Matrix4 worldTK = AssimpHelper.TKMatrix(world);
foreach (int index in parent.MeshIndices)
{
objects.Add(CreateGenericObject(scene.Meshes[index], index, worldTK));
}
if (scene.HasMeshes && scene.Meshes.Any(x => x.HasBones))
{
foreach (Node child in parent.Children)
{
BuildNode(child, ref rootTransform);
}
}
else
{
foreach (Node child in parent.Children)
{
BuildNode(child, ref world);
}
}
}
private void BuildSkeletonNodes(Node node, List <string> boneNames, STSkeleton skeleton, ref Matrix4x4 rootTransform)
{
Matrix4x4 trafo = node.Transform;
Matrix4x4 world = trafo * rootTransform;
Matrix4 worldTK = AssimpHelper.TKMatrix(world);
bool IsBone = boneNames.Contains(node.Name) && !boneNames.Contains(node.Parent.Name) ||
node.Name == "Skl_Root" || node.Name == "nw4f_root";
Console.WriteLine("node list " + node.Name + " " + IsBone);
short SmoothIndex = 0;
short RigidIndex = -1;
//Loop through all the bones. If the parent is not in the bone list, then it's Parent is the root
if (IsBone)
{
var idenity = Matrix4x4.Identity;
var Root = node.Parent;
CreateByNode(node, skeleton, SmoothIndex, RigidIndex, true, ref idenity);
}
else
{
foreach (Node child in node.Children)
{
BuildSkeletonNodes(child, boneNames, skeleton, ref world);
}
}
}
private void BuildNode(Node parent, ref Matrix4x4 rootTransform)
{
Matrix4x4 world = rootTransform;
Matrix4 worldTK = Matrix4.Identity;
if (UseTransformMatrix)
{
Matrix4x4 trafo = parent.Transform;
world = trafo * rootTransform;
worldTK = AssimpHelper.TKMatrix(world);
}
if (parent.MeshCount > 0)
{
STConsole.WriteLine($"Use Transform Matrix {UseTransformMatrix}");
STConsole.WriteLine($"Transform node {parent.Name}");
STConsole.WriteLine($"Translation {worldTK.ExtractTranslation()}");
STConsole.WriteLine($"Rotation {worldTK.ExtractRotation()}");
STConsole.WriteLine($"Scale {worldTK.ExtractScale()}");
}
foreach (int index in parent.MeshIndices)
{
objects.Add(CreateGenericObject(scene.Meshes[index], index, worldTK));
}
foreach (Node child in parent.Children)
{
BuildNode(child, ref world);
}
}
private void BuildSkeletonNodes(Node node, List <string> boneNames, STSkeleton skeleton, ref Matrix4x4 rootTransform)
{
Matrix4x4 trafo = node.Transform;
Matrix4x4 world = trafo * rootTransform;
Matrix4 worldTK = AssimpHelper.TKMatrix(world);
string Name = node.Name;
string ParentArmatureName = node.Parent != null ? node.Parent.Name : "";
if (DaeHelper.IDMapToName.ContainsKey(node.Name))
{
Name = DaeHelper.IDMapToName[node.Name];
}
if (ParentArmatureName != string.Empty && DaeHelper.IDMapToName.ContainsKey(ParentArmatureName))
{
ParentArmatureName = DaeHelper.IDMapToName[ParentArmatureName];
}
bool IsBone = boneNames.Contains(Name) && !boneNames.Contains(ParentArmatureName) ||
Name.Contains("Skl_Root") || Name.Contains("nw4f_root") ||
Name.Contains("skl_root") || Name.Contains("_root") ||
Name.Contains("skeleton_root");
short SmoothIndex = 0;
short RigidIndex = -1;
//Loop through all the bones. If the parent is not in the bone list, then it's Parent is the root
if (IsBone)
{
var idenity = Matrix4x4.Identity;
var Root = node;
if (node.Parent != null)
{
Root = node.Parent;
}
CreateByNode(node, skeleton, ParentArmatureName, SmoothIndex, RigidIndex, true, ref idenity);
}
else
{
if (node.HasChildren)
{
foreach (Node child in node.Children)
{
BuildSkeletonNodes(child, boneNames, skeleton, ref world);
}
}
}
}
private void CreateByNode(Node node, STSkeleton skeleton, short SmoothIndex, short RigidIndex, bool IsRoot, ref Assimp.Matrix4x4 rootTransform)
{
Matrix4x4 trafo = node.Transform;
Matrix4x4 world = trafo * rootTransform;
var transformMat = AssimpHelper.TKMatrix(world);
int matchedBoneIndex = skeleton.bones.FindIndex(item => item.Name == node.Name);
if (matchedBoneIndex < 0)
{
tempBoneNodes.Add(node);
STBone bone = new STBone();
bone.skeletonParent = skeleton;
skeleton.bones.Add(bone);
bone.Text = node.Name;
bone.SmoothMatrixIndex = (short)skeleton.bones.IndexOf(bone);
bone.RigidMatrixIndex = -1; //Todo calculate these
STConsole.WriteLine($"-".Repeat(30));
STConsole.WriteLine($"Processing Bone {bone.Text}");
STConsole.WriteLine($"SmoothMatrixIndex {bone.SmoothMatrixIndex}");
STConsole.WriteLine($"RigidMatrixIndex {bone.RigidMatrixIndex}");
STConsole.WriteLine($"Transform Matrix {transformMat}");
STConsole.WriteLine($"-".Repeat(30));
if (IsRoot)
{
bone.parentIndex = -1;
transformMat = AssimpHelper.TKMatrix(world * Matrix4x4.FromRotationX(MathHelper.DegreesToRadians(BoneRotation)));
}
else
{
if (tempBoneNodes.Contains(node.Parent))
{
bone.parentIndex = tempBoneNodes.IndexOf(node.Parent);
}
}
var scale = transformMat.ExtractScale();
var rotation = transformMat.ExtractRotation();
var position = transformMat.ExtractTranslation();
var rotEular = AssimpHelper.ToEular(rotation);
bone.position = new float[] { position.X, position.Y, position.Z };
bone.scale = new float[] { scale.X, scale.Y, scale.Z };
bone.rotation = new float[] { rotEular.X, rotEular.Y, rotEular.Z, 0 };
}
else
{
STConsole.WriteLine($"Duplicate node name found for bone {node.Name}!", Color.Red);
}
foreach (Node child in node.Children)
{
CreateByNode(child, skeleton, SmoothIndex, RigidIndex, false, ref rootTransform);
}
}