void MArmature::updateBonesSkinMatrix(void)
{
M_PROFILE_SCOPE(MArmature::updateBonesSkinMatrix);
unsigned int i;
MOBone * bone = NULL;
for(i=0; i<m_bonesNumber; i++)
{
bone = m_bones[i];
(*bone->getSkinMatrix()) = (*bone->getMatrix()) * (*bone->getInversePoseMatrix());
}
}
// skinning
void computeSkinning (
MArmature * armature, MSkinData * skinData,
const MVector3 * baseVertices, const MVector3 * baseNormals, const MVector3 * baseTangents,
MVector3 * vertices, MVector3 * normals, MVector3 * tangents)
{
MMatrix4x4 matrix;
unsigned int p;
unsigned int pSize = skinData->getPointsNumber();
if(baseTangents && baseNormals)
{
for(p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
const unsigned short * bonesIds = point->getBonesIds();
const float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int b, bSize = point->getBonesNumber();
memset(matrix.entries, 0, sizeof(float)*16);
for(b=0; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
blendMatrices(&matrix, bone->getSkinMatrix(), bonesWeights[b]);
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
tangents[vertexId] = matrix.getRotatedVector3(baseTangents[vertexId]);
}
}
else if(baseNormals)
{
for(p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
const unsigned short * bonesIds = point->getBonesIds();
const float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int b, bSize = point->getBonesNumber();
memset(matrix.entries, 0, sizeof(float)*16);
for(b=0; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
blendMatrices(&matrix, bone->getSkinMatrix(), bonesWeights[b]);
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
}
}
else
{
for(p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
const unsigned short * bonesIds = point->getBonesIds();
const float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int b, bSize = point->getBonesNumber();
memset(matrix.entries, 0, sizeof(float)*16);
for(b=0; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
blendMatrices(&matrix, bone->getSkinMatrix(), bonesWeights[b]);
}
vertices[vertexId] = matrix * baseVertices[vertexId];
}
}
}
void computeSkinning(MArmature * armature, MSkinData * skinData, const MVector3 * baseVertices, const MVector3 * baseNormals, const MVector3 * baseTangents, MVector3 * vertices, MVector3 * normals, MVector3 * tangents)
{
M_PROFILE_SCOPE(computeSkinning);
unsigned int p;
unsigned int pSize = skinData->getPointsNumber();
if (baseTangents && baseNormals)
{
for (p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
unsigned short * bonesIds = point->getBonesIds();
float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int bSize = point->getBonesNumber();
if (bSize > 1) // weighted skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
MMatrix4x4 matrix((*bone->getSkinMatrix()) * bonesWeights[0]);
unsigned int b;
for(b=1; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
matrix += (*bone->getSkinMatrix()) * bonesWeights[b];
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
tangents[vertexId] = matrix.getRotatedVector3(baseTangents[vertexId]);
}
else if (bSize == 1) // simple skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
vertices[vertexId] = (*bone->getSkinMatrix()) * baseVertices[vertexId];
normals[vertexId] = bone->getSkinMatrix()->getRotatedVector3(baseNormals[vertexId]);
tangents[vertexId] = bone->getSkinMatrix()->getRotatedVector3(baseTangents[vertexId]);
}
}
}
else if (baseNormals)
{
for (p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
unsigned short * bonesIds = point->getBonesIds();
float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int bSize = point->getBonesNumber();
if (bSize > 1) // weighted skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
MMatrix4x4 matrix((*bone->getSkinMatrix()) * bonesWeights[0]);
unsigned int b;
for(b=1; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
matrix += (*bone->getSkinMatrix()) * bonesWeights[b];
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
}
else if (bSize == 1) // simple skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
vertices[vertexId] = (*bone->getSkinMatrix()) * baseVertices[vertexId];
normals[vertexId] = bone->getSkinMatrix()->getRotatedVector3(baseNormals[vertexId]);
}
}
}
else
{
for (p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
unsigned short * bonesIds = point->getBonesIds();
float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int bSize = point->getBonesNumber();
if (bSize > 1) // weighted skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
MMatrix4x4 matrix((*bone->getSkinMatrix()) * bonesWeights[0]);
unsigned int b;
for(b=1; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
matrix += (*bone->getSkinMatrix()) * bonesWeights[b];
}
vertices[vertexId] = matrix * baseVertices[vertexId];
}
else if (bSize == 1) // simple skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
vertices[vertexId] = (*bone->getSkinMatrix()) * baseVertices[vertexId];
}
}
}
}
