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Remove very small values.

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This commit is contained in:
K. S. Ernest (iFire) Lee
2022-11-12 16:35:31 -08:00
parent 79154b9a4a
commit 69126183b6
1 changed files with 41 additions and 5 deletions
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46
src/fbx/Fbx2Raw.cpp
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@@ -762,6 +762,7 @@ static void ReadAnimations(RawModel& raw, FbxScene* pScene, const GltfOptions& o
eMode = FbxTime::eFrames60;
break;
}
const double epsilon = 1e-5f;
const int animationCount = pScene->GetSrcObjectCount<FbxAnimStack>();
for (size_t animIx = 0; animIx < animationCount; animIx++) {
@@ -838,6 +839,10 @@ static void ReadAnimations(RawModel& raw, FbxScene* pScene, const GltfOptions& o
const FbxVector4 baseTranslation = baseTransform.GetT();
const FbxQuaternion baseRotation = baseTransform.GetQ();
const FbxVector4 baseScaling = computeLocalScale(pNode);
bool hasTranslation = false;
bool hasRotation = false;
bool hasScale = false;
bool hasMorphs = false;
RawChannel channel;
channel.nodeIndex = raw.GetNodeById(pNode->GetUniqueID());
@@ -851,6 +856,20 @@ static void ReadAnimations(RawModel& raw, FbxScene* pScene, const GltfOptions& o
const FbxQuaternion localRotation = localTransform.GetQ();
const FbxVector4 localScale = computeLocalScale(pNode, pTime);
hasTranslation |=
(fabs(localTranslation[0] - baseTranslation[0]) > epsilon ||
fabs(localTranslation[1] - baseTranslation[1]) > epsilon ||
fabs(localTranslation[2] - baseTranslation[2]) > epsilon);
hasRotation |=
(fabs(localRotation[0] - baseRotation[0]) > epsilon ||
fabs(localRotation[1] - baseRotation[1]) > epsilon ||
fabs(localRotation[2] - baseRotation[2]) > epsilon ||
fabs(localRotation[3] - baseRotation[3]) > epsilon);
hasScale |=
(fabs(localScale[0] - baseScaling[0]) > epsilon ||
fabs(localScale[1] - baseScaling[1]) > epsilon ||
fabs(localScale[2] - baseScaling[2]) > epsilon);
channel.translations.push_back(toVec3f(localTranslation) * scaleFactor);
channel.rotations.push_back(toQuatf(localRotation));
channel.scales.push_back(toVec3f(localScale));
@@ -905,6 +924,7 @@ static void ReadAnimations(RawModel& raw, FbxScene* pScene, const GltfOptions& o
if (!std::isnan(result)) {
// we're transitioning into targetIx
channel.weights.push_back(result);
hasMorphs = true;
continue;
}
if (targetIx != targetCount - 1) {
@@ -912,6 +932,7 @@ static void ReadAnimations(RawModel& raw, FbxScene* pScene, const GltfOptions& o
if (!std::isnan(result)) {
// we're transitioning AWAY from targetIx
channel.weights.push_back(1.0f - result);
hasMorphs = true;
continue;
}
}
@@ -925,12 +946,27 @@ static void ReadAnimations(RawModel& raw, FbxScene* pScene, const GltfOptions& o
}
}
animation.channels.emplace_back(channel);
if (hasTranslation || hasRotation || hasScale || hasMorphs) {
if (!hasTranslation) {
channel.translations.clear();
}
if (!hasRotation) {
channel.rotations.clear();
}
if (!hasScale) {
channel.scales.clear();
}
if (!hasMorphs) {
channel.weights.clear();
}
totalSizeInBytes += channel.translations.size() * sizeof(channel.translations[0]) +
channel.rotations.size() * sizeof(channel.rotations[0]) +
channel.scales.size() * sizeof(channel.scales[0]) +
channel.weights.size() * sizeof(channel.weights[0]);
animation.channels.emplace_back(channel);
totalSizeInBytes += channel.translations.size() * sizeof(channel.translations[0]) +
channel.rotations.size() * sizeof(channel.rotations[0]) +
channel.scales.size() * sizeof(channel.scales[0]) +
channel.weights.size() * sizeof(channel.weights[0]);
}
if (verboseOutput) {
fmt::printf(