void CModelConverter::ReadDAESceneTree(FCDSceneNode* pNode, CConversionSceneNode* pScene)
{
size_t iTransforms = pNode->GetTransformCount();
Matrix4x4 mTransformations;
for (size_t t = 0; t < iTransforms; t++)
{
FCDTransform* pTransform = pNode->GetTransform(t);
FMMatrix44 m = pTransform->ToMatrix();
mTransformations *= Matrix4x4(m);
}
pScene->SetTransformations(mTransformations);
size_t iInstances = pNode->GetInstanceCount();
for (size_t i = 0; i < iInstances; i++)
{
FCDEntityInstance* pInstance = pNode->GetInstance(i);
switch (pInstance->GetType())
{
case FCDEntityInstance::GEOMETRY:
{
FCDGeometryInstance* pGeometryInstance = dynamic_cast<FCDGeometryInstance*>(pInstance);
FCDEntity* pEntity = pGeometryInstance->GetEntity();
size_t iMesh = pScene->m_pScene->FindMesh(convert_from_fstring(pEntity->GetName()));
size_t iMeshInstance = pScene->AddMeshInstance(iMesh);
size_t iMaterialInstances = pGeometryInstance->GetMaterialInstanceCount();
for (size_t m = 0; m < iMaterialInstances; m++)
{
FCDMaterialInstance* pMaterialInstance = pGeometryInstance->GetMaterialInstance(m);
FCDMaterial* pMaterial = pMaterialInstance->GetMaterial();
tstring sMaterial = pMaterial?convert_from_fstring(pMaterialInstance->GetMaterial()->GetName()):"";
tstring sMaterialStub = convert_from_fstring(pMaterialInstance->GetSemantic());
size_t iMaterial = pScene->m_pScene->FindMaterial(sMaterial);
size_t iMaterialStub = pScene->m_pScene->GetMesh(iMesh)->FindMaterialStub(sMaterialStub);
pScene->GetMeshInstance(iMeshInstance)->AddMappedMaterial(iMaterialStub, iMaterial);
}
}
}
}
size_t iChildren = pNode->GetChildrenCount();
for (size_t j = 0; j < iChildren; j++)
{
FCDSceneNode* pChildNode = pNode->GetChild(j);
size_t iNode = pScene->AddChild(convert_from_fstring(pChildNode->GetName()));
ReadDAESceneTree(pChildNode, pScene->GetChild(iNode));
}
}
FMMatrix44 ColladaSceneNode::CalculateTransformForTime(FCDSceneNode * originalNode, float32 time)
{
FMMatrix44 colladaLocalMatrix;
colladaLocalMatrix = FMMatrix44::Identity;// = FMMatrix44::Identity();
for (int t = 0; t < (int)originalNode->GetTransformCount(); ++t)
{
FCDTransform * transform = originalNode->GetTransform(t);
if (transform->IsAnimated()) // process all animations to make CalculateWorldTransform work
{
FCDAnimated * animated = transform->GetAnimated();
animated->Evaluate(time);
}
if (transform->GetType() == FCDTransform::TRANSLATION)
{
FCDTTranslation * translation = dynamic_cast<FCDTTranslation*>(transform);
FMVector3 point = FMVector3(0.0f, 0.0f, 0.0f);
point = translation->GetTranslation();
if (transform->IsAnimated())
{
FCDAnimationCurve* curve;
// look for x animation
curve = transform->GetAnimated()->FindCurve(".X");
if (curve != 0)
point.x = curve->Evaluate(time);
// look for y animation
curve = transform->GetAnimated()->FindCurve(".Y");
if (curve != 0)
point.y = curve->Evaluate(time);
// look for z animation
curve = transform->GetAnimated()->FindCurve(".Z");
if (curve != 0)
point.z = curve->Evaluate(time);
}
colladaLocalMatrix = colladaLocalMatrix * FMMatrix44::TranslationMatrix(point);
}else if (transform->GetType() == FCDTransform::ROTATION)
{
FCDTRotation * rotation = dynamic_cast<FCDTRotation*>(transform);
FMVector3 axis = FMVector3(0.0f, 0.0f, 0.0f);
float angle = 0;
axis = rotation->GetAxis();
angle = rotation->GetAngle();
if (rotation->IsAnimated())
{
FCDAnimationCurve* curve;
// look for x animation
curve = rotation->GetAnimated()->FindCurve(".X");
if (curve != 0)
axis.x = curve->Evaluate(time);
// look for y animation
curve = rotation->GetAnimated()->FindCurve(".Y");
if (curve != 0)
axis.y = curve->Evaluate(time);
// look for z animation
curve = rotation->GetAnimated()->FindCurve(".Z");
if (curve != 0)
axis.z = curve->Evaluate(time);
// look for z animation
curve = rotation->GetAnimated()->FindCurve(".ANGLE");
if (curve != 0)
angle = curve->Evaluate(time);
}
colladaLocalMatrix = colladaLocalMatrix * FMMatrix44::AxisRotationMatrix(axis, angle * PI / 180.0f);
}else
{
colladaLocalMatrix = colladaLocalMatrix * transform->ToMatrix();
}
}
return colladaLocalMatrix;
}