Action::ResultE
SkeletonSkinningAlgorithm::renderEnter(Action *action)
{
Action::ResultE res = Action::Continue;
RenderAction *ract =
boost::polymorphic_downcast<RenderAction *>(action);
SkinnedGeometry *skinGeo = getSkin();
Skeleton *skel = skinGeo->getSkeleton();
skel->renderEnter(action, skinGeo);
const Skeleton::MFJointsType *joints = skel->getMFJoints();
const Skeleton::MFParentJointsType *parentJoints =
skel->getMFParentJoints();
const Skeleton::MFJointMatricesType *jointMats =
skel->getMFJointMatrices();
UInt32 numJoints = joints->size32();
#ifndef OSG_SKELETON_SKINNING_ALGO_DRAW_AXIS
_mfDrawPositions.resize(numJoints);
_mfDrawIndex .clear ( );
for(UInt32 i = 0; i < numJoints; ++i)
{
(*jointMats)[i].mult(Pnt3f(0.f, 0.f, 0.f),
_mfDrawPositions[i] );
if((*parentJoints)[i] != NULL)
{
_mfDrawIndex.push_back(i );
_mfDrawIndex.push_back((*parentJoints)[i]->getJointId());
}
}
#else
Real32 axisLen = 1.f;
_mfDrawPositions.resize(4 * numJoints);
_mfDrawIndex .clear ( );
for(UInt32 i = 0; i < numJoints; ++i)
{
(*jointMats)[i].mult(Pnt3f(0.f, 0.f, 0.f),
_mfDrawPositions[4 * i + 0]);
if((*parentJoints)[i] != NULL)
{
_mfDrawIndex.push_back(4 * i + 0);
_mfDrawIndex.push_back(4 * (*parentJoints)[i]->getJointId() + 0);
Vec3f vec =
_mfDrawPositions[4 * i + 0] -
_mfDrawPositions[4 * (*parentJoints)[i]->getJointId() + 0];
axisLen = 0.2f * vec.length();
axisLen = 1.f;
}
else
{
axisLen = 1.f;
}
(*jointMats)[i].mult(
Pnt3f(axisLen, 0.f, 0.f ), _mfDrawPositions[4 * i + 1]);
(*jointMats)[i].mult(
Pnt3f(0.f, axisLen, 0.f ), _mfDrawPositions[4 * i + 2]);
(*jointMats)[i].mult(
Pnt3f(0.f, 0.f, axisLen), _mfDrawPositions[4 * i + 3]);
_mfDrawIndex.push_back(4 * i + 0);
_mfDrawIndex.push_back(4 * i + 1);
_mfDrawIndex.push_back(4 * i + 0);
_mfDrawIndex.push_back(4 * i + 2);
_mfDrawIndex.push_back(4 * i + 0);
_mfDrawIndex.push_back(4 * i + 3);
}
#endif // #ifndef OSG_SKELETON_SKINNING_ALGO_DRAW_AXIS
DrawEnv::DrawFunctor drawFuncSkinAlgo =
boost::bind(&SkeletonSkinningAlgorithm::drawFunc, this, _1);
PrimeMaterial *skelMat = getDefaultUnlitMaterial();
State *state = skelMat->getState ();
ract->dropFunctor(drawFuncSkinAlgo, state, skelMat->getSortKey());
return res;
}
Action::ResultE
GPUSkinningAlgorithm::renderEnter(Action *action)
{
Action::ResultE res = Action::Continue;
SkinnedGeometry *skinGeo = getSkin ();
Skeleton *skel = getSkeleton();
RenderAction *ract =
boost::polymorphic_downcast<RenderAction *>(action);
OSG_ASSERT(skinGeo != NULL);
OSG_ASSERT(skel != NULL);
GPUSkinningDataAttachmentUnrecPtr data = getGPUSkinningData(skel);
if(data == NULL)
{
data = GPUSkinningDataAttachment::create();
skel->addAttachment(data);
}
skel->renderEnter(action, skinGeo);
ShaderProgramChunkUnrecPtr shCode = data->getShaderCode();
if(shCode == NULL)
{
shCode = ShaderProgramChunk::create();
data->setShaderCode(shCode);
ShaderProgramUnrecPtr vp = ShaderProgram::createVertexShader();
vp->setProgram(_vpVertexSkinning);
shCode->addShader(vp);
vp->addUniformVariable(
"matJoints", (*skel->getMFJointMatrices()));
vp->addUniformVariable(
"matBindShape", skinGeo->getBindShapeMatrix());
}
else if(data->getDataValid() == false)
{
ShaderProgram *vp = shCode->getVertexShader(0);
OSG_ASSERT(vp != NULL);
vp->updateUniformVariable(
"matJoints", (*skel->getMFJointMatrices()));
vp->updateUniformVariable(
"matBindShape", skinGeo->getBindShapeMatrix());
data->setDataValid(true);
}
ract->pushState();
{
ract->addOverride(ShaderProgramChunk::getStaticClassId(),
shCode );
res = skinGeo->SkinnedGeometry::Inherited::renderEnter(ract);
}
ract->popState ();
return res;
}
