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Alembic: only export custom data (UVs, VCols) once, on the first frame.

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This would cause Alembic to throw an exception and fail exporting
animations because it was trying to recreate and overwrite the
attributes for each frame.
This commit is contained in:
Kévin Dietrich
2016-10-20 19:43:22 +02:00
parent 32c2cba4ef
commit 0c4d949eff
1 changed files with 3 additions and 3 deletions
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6
source/blender/alembic/intern/abc_mesh.cc
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@@ -401,7 +401,7 @@ void AbcMeshWriter::writeMesh(DerivedMesh *dm)
Int32ArraySample(loop_counts));
UVSample sample;
if (m_settings.export_uvs) {
if (m_first_frame && m_settings.export_uvs) {
const char *name = get_uv_sample(sample, m_custom_data_config, &dm->loopData);
if (!sample.indices.empty() && !sample.uvs.empty()) {
@@ -470,7 +470,7 @@ void AbcMeshWriter::writeSubD(DerivedMesh *dm)
Int32ArraySample(loop_counts));
UVSample sample;
if (m_settings.export_uvs) {
if (m_first_frame && m_settings.export_uvs) {
const char *name = get_uv_sample(sample, m_custom_data_config, &dm->loopData);
if (!sample.indices.empty() && !sample.uvs.empty()) {
@@ -565,7 +565,7 @@ void AbcMeshWriter::writeArbGeoParams(DerivedMesh *dm)
return;
}
if (m_settings.export_vcols) {
if (m_first_frame && m_settings.export_vcols) {
if (m_subdiv_schema.valid()) {
write_custom_data(m_subdiv_schema.getArbGeomParams(), m_custom_data_config, &dm->loopData, CD_MLOOPCOL);
}