/// <summary>
/// Try to apply skeleton to model.
/// </summary>
public void Apply(SkinnedMesh skinnedMesh)
{
// Create the bones
for (int i = 0; i < meshSkeleton.nbBones; i++)
{
string boneName = meshSkeleton.names[i];
if (skinnedMesh.GetJointIndex(boneName) == -1)
{
var joint = skinnedMesh.AddJoint();
joint.Name = boneName;
}
}
// Set the hierarchy
for (int i = 0; i < meshSkeleton.nbBones; i++)
{
short parent = meshSkeleton.parentIdx[i];
if (parent != -1) // root
{
var parentJoint = RenderSkeleton.GetJointByName(skinnedMesh, meshSkeleton.names[parent]);
if (parentJoint != null)
{
parentJoint.AddChildren(skinnedMesh.GetAllJoints()[i]);
}
}
}
// Set the transformations
for (int i = 0; i < meshSkeleton.nbBones; i++)
{
string boneName = meshSkeleton.names[i];
var joint = RenderSkeleton.GetJointByName(skinnedMesh, boneName);
if (joint == null)
{
continue;
}
joint.LocalMatrix = meshSkeleton.matrix[i];
joint.Animatedposition = meshSkeleton.positions[i];
joint.Animatedrotation = meshSkeleton.rotations[i];
joint.Animatedscale = meshSkeleton.scales[i];
}
// Compute the global matrix
List <SJoint> roots = RenderSkeleton.GetRootJoints(skinnedMesh);
for (int i = 0; i < roots.Count; ++i)
{
RenderSkeleton.ComputeGlobal(skinnedMesh, roots[i]);
}
// The matrix of the bones
for (int i = 0; i < CData.boneData.nbBones; i++)
{
var jointIdx = skinnedMesh.GetJointIndex(CData.boneData.jointNames[i]);
if (jointIdx == -1)
{
continue; //if the mesh bone is not in the animation rig (ie. dynamic)
}
SJoint joint = skinnedMesh.GetAllJoints()[jointIdx];
Matrix matrix = CData.boneData.boneMatrices[i];
Vector3Df position = matrix.Translation;
Matrix invRot = matrix.GetInverse();
//invRot.rotateVect(position);
Vector3Df rotation = invRot.GetRotationDegrees(invRot.Scale);
//rotation = core::vector3df(0, 0, 0);
position = -position;
Vector3Df scale = matrix.Scale;
if (joint != null)
{
// Build GlobalMatrix:
Matrix positionMatrix = new Matrix();
positionMatrix.Translation = position;
Matrix scaleMatrix = new Matrix();
scaleMatrix.Scale = scale;
Matrix rotationMatrix = new Matrix();
rotationMatrix.SetRotationRadians(rotation * CommonData.PI_OVER_180);
//joint.GlobalMatrix = scaleMatrix * rotationMatrix * positionMatrix;
//joint.LocalMatrix = joint.GlobalMatrix;
//joint.Animatedposition = joint.LocalMatrix.Translation;
//joint.Animatedrotation = new Quaternion(joint.LocalMatrix.GetRotationDegrees(joint.LocalMatrix.Scale)).MakeInverse();
//joint.Animatedscale = joint.LocalMatrix.Scale;
var bone = new W3_DataCache.BoneEntry();
bone.name = joint.Name;
bone.offsetMatrix = matrix;
CData.w3_DataCache.bones.Add(bone);
}
}
// Apply skin
for (int i = 0; i < CData.w3_DataCache.vertices.Count; i++)
{
var entry = CData.w3_DataCache.vertices[i];
// Check if it's a valid entry
if (entry.boneId >= CData.w3_DataCache.bones.Count ||
entry.meshBufferId >= skinnedMesh.MeshBufferCount ||
entry.vertexId >= skinnedMesh.GetMeshBuffer(entry.meshBufferId).VertexCount)
{
// Console.WriteLine("Fail to skin : the vertex entry is not valid.");
continue;
}
int jointID = skinnedMesh.GetJointIndex(CData.w3_DataCache.bones[(int)entry.boneId].name);
if (jointID == -1)
{
// Console.WriteLine("Fail to skin : joint not found." );
continue;
}
SJoint joint = skinnedMesh.GetAllJoints()[jointID];
SWeight weight = skinnedMesh.AddWeight(joint);
weight.BufferId = entry.meshBufferId;
weight.VertexId = entry.vertexId;
weight.Strength = entry.strength;
}
// Add weights
/*for (int i = 0; i < w3_DataCache.vertices.Count; i++)
* {
* uint boneId = w3_DataCache.vertices[i].boneId;
* ushort bufferId = w3_DataCache.vertices[i].meshBufferId;
* uint vertexId = w3_DataCache.vertices[i].vertexId;
* float fweight = w3_DataCache.vertices[i].strength;
*
* if (boneId >= skinnedMesh.GetAllJoints().Count) // If bone doesnt exist
* continue;
*
* SJoint joint = skinnedMesh.GetAllJoints()[(int)boneId];
*
* SWeight w = skinnedMesh.AddWeight(joint);
* w.BufferId = bufferId;
* w.Strength = fweight;
* w.VertexId = vertexId;
* }*/
}