void GLTFAnimation::writeAnimationForTargetID(const std::string &targetID, GLTFAsset* asset) {
shared_ptr <JSONObject> target = this->targets()->getObject(targetID);
shared_ptr<GLTFAnimationFlattener> animationFlattener = this->animationFlattenerForTargetUID(targetID);
size_t count = 0;
float* rotations = 0;
float* positions = 0;
float* scales = 0;
animationFlattener->allocAndFillAffineTransformsBuffers(&positions, &rotations, &scales, count);
if (animationFlattener->hasAnimatedScale()) {
//Scale
setupAndWriteAnimationParameter(this,
"scale",
"FLOAT_VEC3",
(unsigned char*)scales,
count * sizeof(float) * 3, false,
asset);
__AddChannel(this, targetID, "scale");
free(scales);
}
if (animationFlattener->hasAnimatedTranslation()) {
//Translation
setupAndWriteAnimationParameter(this,
"translation",
"FLOAT_VEC3",
(unsigned char*)positions,
count * sizeof(float) * 3, false,
asset);
__AddChannel(this, targetID, "translation");
free(positions);
}
if (animationFlattener->hasAnimatedRotation()) {
//Rotation
setupAndWriteAnimationParameter(this,
"rotation",
"FLOAT_VEC4",
(unsigned char*)rotations,
count * sizeof(float) * 4, false,
asset);
__AddChannel(this, targetID, "rotation");
free(rotations);
}
}
bool writeAnimation(shared_ptr <GLTFAnimation> cvtAnimation,
const COLLADAFW::AnimationList::AnimationClass animationClass,
AnimatedTargetsSharedPtr animatedTargets,
GLTF::GLTFConverterContext &converterContext) {
shared_ptr<JSONObject> samplers = cvtAnimation->samplers();
shared_ptr<JSONArray> channels = cvtAnimation->channels();
GLTFAnimation::Parameter *timeParameter = cvtAnimation->getParameterNamed("TIME");
shared_ptr<GLTFBufferView> timeBufferView = timeParameter->getBufferView();
std::string name = "TIME";
std::string samplerID = cvtAnimation->getSamplerIDForName(name);
cvtAnimation->removeParameterNamed("TIME");
setupAndWriteAnimationParameter(cvtAnimation,
"TIME",
"FLOAT",
(unsigned char*)timeBufferView->getBufferDataByApplyingOffset(), timeBufferView->getByteLength(),
converterContext);
//timeParameter->setByteOffset(outputStream->length());
//outputStream->write(timeBufferView);
//printf("time bufferLength: %d\n",(int)timeBufferView->getByteLength());
switch (animationClass) {
case COLLADAFW::AnimationList::TIME:
{
//In Currrent OpenCOLLADA Implementation, this is never called, only cases mapping to OUTPUT are, so we handle INPUT (i.e time) when we enter this function.
}
break;
case COLLADAFW::AnimationList::AXISANGLE: {
GLTFAnimation::Parameter *parameter = cvtAnimation->getParameterNamed("OUTPUT");
if (parameter) {
shared_ptr<GLTFBufferView> bufferView = parameter->getBufferView();
//the angles to radians necessary convertion is done within the animationFlattener
//but it might be better to make it before...
for (size_t animatedTargetIndex = 0 ; animatedTargetIndex < animatedTargets->size() ; animatedTargetIndex++) {
shared_ptr<JSONObject> animatedTarget = (*animatedTargets)[animatedTargetIndex];
std::string targetID = animatedTarget->getString("target");
if (converterContext._uniqueIDToTrackedObject.count(targetID) != 0) {
cvtAnimation->targets()->setValue(targetID, animatedTarget);
shared_ptr<JSONObject> targetObject = converterContext._uniqueIDToTrackedObject[targetID];
std::string path = animatedTarget->getString("path");
if (path == "rotation") {
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
float* rotations = (float*)bufferView->getBufferDataByApplyingOffset();
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
size_t offset = k * 4;
shared_ptr <COLLADAFW::Rotate> rotate(new COLLADAFW::Rotate(rotations[offset + 0],
rotations[offset + 1],
rotations[offset + 2],
rotations[offset + 3]));
animationFlattener->insertTransformAtTime(transformID, rotate, timeValues[k]);
}
}
}
}
}
cvtAnimation->removeParameterNamed("OUTPUT");
}
break;
case COLLADAFW::AnimationList::MATRIX4X4: {
GLTFAnimation::Parameter *parameter = cvtAnimation->getParameterNamed("OUTPUT");
if (parameter) {
std::vector< shared_ptr <GLTFBufferView> > TRSBufferViews;
//FIXME: we assume float here, might be double
shared_ptr<GLTFBufferView> bufferView = parameter->getBufferView();
float* matrices = (float*)bufferView->getBufferDataByApplyingOffset();
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
for (size_t animatedTargetIndex = 0 ; animatedTargetIndex < animatedTargets->size() ; animatedTargetIndex++) {
shared_ptr<JSONObject> animatedTarget = (*animatedTargets)[animatedTargetIndex];
if (animatedTarget->getString("path") == "MATRIX") {
std::string targetID = animatedTarget->getString("target");
if (converterContext._uniqueIDToTrackedObject.count(targetID) != 0) {
cvtAnimation->targets()->setValue(targetID, animatedTarget);
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
size_t offset = k * 16;
float *m = matrices + offset;
COLLADABU::Math::Matrix4 mat;
mat.setAllElements(m[0], m[1], m[2], m[3],
m[4], m[5], m[6], m[7],
m[8], m[9], m[10], m[11],
m[12], m[13], m[14], m[15] );
shared_ptr <COLLADAFW::Matrix> matTr(new COLLADAFW::Matrix(mat));
animationFlattener->insertTransformAtTime(transformID, matTr, timeValues[k]);
}
}
}
}
cvtAnimation->removeParameterNamed("OUTPUT");
} else {
//FIXME: report error
printf("WARNING: cannot find intermediate parameter named OUTPUT\n");
}
}
return true;
break;
case COLLADAFW::AnimationList::POSITION_XYZ: {
GLTFAnimation::Parameter *parameter = cvtAnimation->getParameterNamed("OUTPUT");
if (parameter) {
shared_ptr<GLTFBufferView> bufferView = parameter->getBufferView();
//the angles to radians necessary convertion is done within the animationFlattener
//but it might be better to make it before...
for (size_t animatedTargetIndex = 0 ; animatedTargetIndex < animatedTargets->size() ; animatedTargetIndex++) {
shared_ptr<JSONObject> animatedTarget = (*animatedTargets)[animatedTargetIndex];
std::string targetID = animatedTarget->getString("target");
if (converterContext._uniqueIDToTrackedObject.count(targetID) != 0) {
cvtAnimation->targets()->setValue(targetID, animatedTarget);
shared_ptr<JSONObject> targetObject = converterContext._uniqueIDToTrackedObject[targetID];
std::string path = animatedTarget->getString("path");
if (path == "translation") {
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
float* translations = (float*)bufferView->getBufferDataByApplyingOffset();
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
size_t offset = k * 3;
shared_ptr <COLLADAFW::Translate> translate(new COLLADAFW::Translate(translations[offset + 0],
translations[offset + 1],
translations[offset + 2]));
animationFlattener->insertTransformAtTime(transformID, translate, timeValues[k]);
}
} else if (path == "scale") {
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
float* scales = (float*)bufferView->getBufferDataByApplyingOffset();
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
size_t offset = k * 3;
shared_ptr <COLLADAFW::Scale> scale(new COLLADAFW::Scale(scales[offset + 0],
scales[offset + 1],
scales[offset + 2]));
animationFlattener->insertTransformAtTime(transformID, scale, timeValues[k]);
}
}
}
}
}
cvtAnimation->removeParameterNamed("OUTPUT");
}
return true;
case COLLADAFW::AnimationList::ANGLE: {
GLTFAnimation::Parameter *parameter = cvtAnimation->getParameterNamed("OUTPUT");
if (parameter) {
shared_ptr<GLTFBufferView> bufferView = parameter->getBufferView();
//the angles to radians necessary convertion is done within the animationFlattener
//but it might be better to make it before...
for (size_t animatedTargetIndex = 0 ; animatedTargetIndex < animatedTargets->size() ; animatedTargetIndex++) {
shared_ptr<JSONObject> animatedTarget = (*animatedTargets)[animatedTargetIndex];
std::string targetID = animatedTarget->getString("target");
if (converterContext._uniqueIDToTrackedObject.count(targetID) != 0) {
cvtAnimation->targets()->setValue(targetID, animatedTarget);
shared_ptr<JSONObject> targetObject = converterContext._uniqueIDToTrackedObject[targetID];
std::string path = animatedTarget->getString("path");
if (path == "rotation") {
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
float* rotations = (float*)bufferView->getBufferDataByApplyingOffset();
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
animationFlattener->insertValueAtTime(transformID, rotations[k], 3, timeValues[k]);
}
}
}
}
}
cvtAnimation->removeParameterNamed("OUTPUT");
}
return true;
case COLLADAFW::AnimationList::POSITION_X:
case COLLADAFW::AnimationList::POSITION_Y:
case COLLADAFW::AnimationList::POSITION_Z:
{
int index = animationClass - COLLADAFW::AnimationList::POSITION_X;
GLTFAnimation::Parameter *parameter = cvtAnimation->getParameterNamed("OUTPUT");
if (parameter) {
shared_ptr<GLTFBufferView> bufferView = parameter->getBufferView();
for (size_t animatedTargetIndex = 0 ; animatedTargetIndex < animatedTargets->size() ; animatedTargetIndex++) {
shared_ptr<JSONObject> animatedTarget = (*animatedTargets)[animatedTargetIndex];
std::string targetID = animatedTarget->getString("target");
if (converterContext._uniqueIDToTrackedObject.count(targetID) != 0) {
cvtAnimation->targets()->setValue(targetID, animatedTarget);
shared_ptr<JSONObject> targetObject = converterContext._uniqueIDToTrackedObject[targetID];
std::string path = animatedTarget->getString("path");
if (path == "translation") {
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
float* translations = (float*)bufferView->getBufferDataByApplyingOffset();
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
animationFlattener->insertValueAtTime(transformID, translations[k], index, timeValues[k]);
}
} else if (path == "scale") {
std::string transformID = animatedTarget->getString("transformId");
shared_ptr<GLTFAnimationFlattener> animationFlattener = converterContext._uniqueIDToAnimationFlattener[targetID];
float* timeValues = (float*)timeBufferView->getBufferDataByApplyingOffset();
float* scales = (float*)bufferView->getBufferDataByApplyingOffset();
for (size_t k = 0 ; k < cvtAnimation->getCount() ; k++) {
animationFlattener->insertValueAtTime(transformID, scales[k], index, timeValues[k]);
}
}
else {
assert(0 && "unknown path name");
}
}
}
}
cvtAnimation->removeParameterNamed("OUTPUT");
}
return true;
case COLLADAFW::AnimationList::COLOR_RGB:
case COLLADAFW::AnimationList::COLOR_RGBA:
case COLLADAFW::AnimationList::COLOR_R:
case COLLADAFW::AnimationList::COLOR_G:
case COLLADAFW::AnimationList::COLOR_B:
case COLLADAFW::AnimationList::COLOR_A:
case COLLADAFW::AnimationList::ARRAY_ELEMENT_1D:
case COLLADAFW::AnimationList::ARRAY_ELEMENT_2D:
case COLLADAFW::AnimationList::FLOAT:
default:
static bool printedOnce = false;
if (!printedOnce) {
printf("WARNING: unhandled transform type\n");
printedOnce = true;
}
break;
}
return false;
}
