BabylonCamera::BabylonCamera(BabylonNode& babnode)
{
auto node = babnode.fbxNode();
std::string ansiName = node->GetName();
name = std::wstring(ansiName.begin(), ansiName.end());
id = getNodeId(node);
auto parent = node->GetParent();
if (parent) {
parentId = getNodeId(parent);
}
auto camera = node->GetCamera();
if (!camera) {
return;
}
type = L"FreeCamera";
auto targetNode = node->GetTarget();
if (targetNode) {
lockedTargetId = getNodeId(targetNode);
}
else {
target = camera->InterestPosition.Get();
}
position = babnode.localTranslate();
rotationQuaternion = babnode.localRotationQuat();
fov = camera->FieldOfViewY * Euler2Rad;
minZ = camera->FrontPlaneDistance.Get();
maxZ = camera->BackPlaneDistance.Get();
auto hasAnimStack = node->GetScene()->GetSrcObjectCount<FbxAnimStack>() > 0;
if (!hasAnimStack){
return;
}
auto animStack = node->GetScene()->GetSrcObject<FbxAnimStack>(0);
FbxString animStackName = animStack->GetName();
FbxTakeInfo* takeInfo = node->GetScene()->GetTakeInfo(animStackName);
auto animTimeMode = GlobalSettings::Current().AnimationsTimeMode;
auto animFrameRate = GlobalSettings::Current().AnimationsFrameRate();
auto startFrame = takeInfo->mLocalTimeSpan.GetStart().GetFrameCount(animTimeMode);
auto endFrame = takeInfo->mLocalTimeSpan.GetStop().GetFrameCount(animTimeMode);
auto animLengthInFrame = endFrame - startFrame + 1;
auto posAnim = std::make_shared<BabylonAnimation<babylon_vector3>>(BabylonAnimationBase::loopBehavior_Cycle, animFrameRate, L"position", L"position", true, 0, animLengthInFrame, true);
auto rotAnim = std::make_shared<BabylonAnimation<babylon_vector4>>(BabylonAnimationBase::loopBehavior_Cycle, animFrameRate, L"rotation", L"rotation", true, 0, animLengthInFrame, true);
auto targetAnim = std::make_shared<BabylonAnimation<babylon_vector3>>(BabylonAnimationBase::loopBehavior_Cycle, animFrameRate, L"target", L"target", true, 0, animLengthInFrame, true);
for (auto ix = 0ll; ix < animLengthInFrame; ix++){
FbxTime currTime;
currTime.SetFrame(startFrame + ix, animTimeMode);
babylon_animation_key<babylon_vector3> poskey;
babylon_animation_key<babylon_vector4> rotkey;
poskey.frame = ix;
rotkey.frame = ix;
poskey.values = babnode.localTranslate(currTime);
rotkey.values = babnode.localRotationQuat(currTime);
posAnim->appendKey(poskey);
rotAnim->appendKey(rotkey);
if (lockedTargetId.size() == 0){
babylon_animation_key<babylon_vector3> targetKey;
targetKey.frame = ix;
targetKey.values = camera->InterestPosition.EvaluateValue(currTime);
targetAnim->appendKey(targetKey);
}
}
if (!posAnim->isConstant()){
animations.push_back(posAnim);
}
if (!rotAnim->isConstant()){
quatAnimations.push_back(rotAnim);
}
if (!targetAnim->isConstant()){
animations.push_back(targetAnim);
}
}
BabylonLight::BabylonLight(BabylonNode & babnode) :
diffuse(1, 1, 1),
specular(1, 1, 1)
{
auto node = babnode.fbxNode();
std::string ansiName = node->GetName();
name = std::wstring(ansiName.begin(), ansiName.end());
id = getNodeId(node);
auto parent = node->GetParent();
if (parent) {
parentId = getNodeId(parent);
}
auto localTransform = babnode.GetLocal();
position = localTransform.translation();
auto light = node->GetLight();
switch (light->LightType)
{
case FbxLight::ePoint:
type = type_omni;
break;
case FbxLight::eDirectional:
type = type_direct;
{
FbxDouble3 vDir(0, -1, 0);
FbxAMatrix rotM;
rotM.SetIdentity();
rotM.SetQ(localTransform.fbxrot());
auto transDir = rotM.MultT(vDir);
direction = transDir;
}
break;
case FbxLight::eSpot:
type = type_Spot;
{
FbxDouble3 vDir(0, -1, 0);
FbxAMatrix rotM;
rotM.SetIdentity();
rotM.SetQ(localTransform.fbxrot());
auto transDir = rotM.MultT(vDir);
direction = transDir;
exponent = 1;
angle = static_cast<float>(light->OuterAngle*Euler2Rad);
}
break;
default:
break;
}
diffuse = light->Color.Get();
intensity = static_cast<float>(light->Intensity.Get() / 100.0);
if (light->EnableFarAttenuation.Get()) {
range = static_cast<float>(light->FarAttenuationEnd.Get());
}
auto hasAnimStack = node->GetScene()->GetSrcObjectCount<FbxAnimStack>() > 0;
if (!hasAnimStack) {
return;
}
castShadows = light->CastShadows.Get();
if (castShadows) {
shadowGenerator = std::make_shared<BabylonShadowGenerator>(node);
}
auto animStack = node->GetScene()->GetSrcObject<FbxAnimStack>(0);
FbxString animStackName = animStack->GetName();
FbxTakeInfo* takeInfo = node->GetScene()->GetTakeInfo(animStackName);
auto animTimeMode = GlobalSettings::Current().AnimationsTimeMode;
auto animFrameRate = GlobalSettings::Current().AnimationsFrameRate();
auto startFrame = takeInfo->mLocalTimeSpan.GetStart().GetFrameCount(animTimeMode);
auto endFrame = takeInfo->mLocalTimeSpan.GetStop().GetFrameCount(animTimeMode);
auto animLengthInFrame = endFrame - startFrame + 1;
auto posAnimName = getNodeId(node);
auto dirAnimName = getNodeId(node);
posAnimName.append(L"_position");
dirAnimName.append(L"_direction");
auto posAnim = std::make_shared<BabylonAnimation<babylon_vector3>>(BabylonAnimationBase::loopBehavior_Cycle, static_cast<int>(animFrameRate), posAnimName, L"position", true, 0, static_cast<int>(animLengthInFrame), true);
auto dirAnim = std::make_shared<BabylonAnimation<babylon_vector3>>(BabylonAnimationBase::loopBehavior_Cycle, static_cast<int>(animFrameRate), dirAnimName, L"direction", true, 0, static_cast<int>(animLengthInFrame), true);
if (node->LclRotation.GetCurveNode() || node->LclTranslation.GetCurveNode()) {
for (auto ix = 0; ix < animLengthInFrame; ix++) {
babylon_animation_key<babylon_vector3> key;
key.frame = ix;
FbxTime currTime;
currTime.SetFrame(startFrame + ix, animTimeMode);
auto currTransform = babnode.GetLocal(currTime);
key.values = currTransform.translation();
posAnim->appendKey(key);
if (type == type_direct || type == type_Spot) {
babylon_animation_key<babylon_vector3> dirkey;
dirkey.frame = ix;
FbxDouble3 vDir(0, -1, 0);
FbxAMatrix rotM;
rotM.SetIdentity();
rotM.SetQ(currTransform.fbxrot());
auto transDir = rotM.MultT(vDir);
dirkey.values = transDir;
dirAnim->appendKey(dirkey);
}
}
}
if (!posAnim->isConstant()) {
animations.push_back(posAnim);
}
if (!dirAnim->isConstant()) {
animations.push_back(dirAnim);
}
}