Commit: 4fda0c00de3b9d77f07fd3fdfacdc7f589883e59
Author: Kévin Dietrich
Date: Thu Jun 16 16:27:15 2016 +0200
Branches: alembic_basic_io
https://developer.blender.org/rB4fda0c00de3b9d77f07fd3fdfacdc7f589883e59
Fix UVs reading.
UVs were indexed using the faces indices instead of their own UV
indices.
===================================================================
M source/blender/alembic/intern/abc_customdata.cc
M source/blender/alembic/intern/abc_mesh.cc
M source/blender/alembic/intern/abc_mesh.h
M source/blender/alembic/intern/alembic_capi.cc
===================================================================
diff --git a/source/blender/alembic/intern/abc_customdata.cc
b/source/blender/alembic/intern/abc_customdata.cc
index 3293e4f..3bb4294 100644
--- a/source/blender/alembic/intern/abc_customdata.cc
+++ b/source/blender/alembic/intern/abc_customdata.cc
@@ -274,21 +274,17 @@ static void read_uvs(const CDStreamConfig &config, void
*data,
const Alembic::AbcGeom::UInt32ArraySamplePtr &indices)
{
MPoly *mpolys = config.mpoly;
- MLoop *mloops = config.mloop;
MLoopUV *mloopuvs = static_cast<MLoopUV *>(data);
- unsigned int vert_index, loop_index;
+ unsigned int uv_index, loop_index;
for (int i = 0; i < config.totpoly; ++i) {
MPoly &poly = mpolys[i];
for (int f = 0; f < poly.totloop; ++f) {
loop_index = poly.loopstart + f;
-
- MLoop &loop = mloops[loop_index];
- vert_index = (*indices)[loop.v];
-
- const Imath::V2f &uv = (*uvs)[vert_index];
+ uv_index = (*indices)[loop_index];
+ const Imath::V2f &uv = (*uvs)[uv_index];
MLoopUV &loopuv = mloopuvs[loop_index];
loopuv.uv[0] = uv[0];
diff --git a/source/blender/alembic/intern/abc_mesh.cc
b/source/blender/alembic/intern/abc_mesh.cc
index dc5d375..25445cb 100644
--- a/source/blender/alembic/intern/abc_mesh.cc
+++ b/source/blender/alembic/intern/abc_mesh.cc
@@ -906,6 +906,27 @@ static void *add_customdata_cb(void *user_data, const char
*name, int data_type)
return cd_ptr;
}
+#if 0
+void print_scope(const std::string &prefix, const int scope, std::ostream &os)
+{
+ os << prefix << ": ";
+
+ switch (scope) {
+ case kVaryingScope:
+ os << "Varying Scope";
+ break;
+ case kFacevaryingScope:
+ os << "Face Varying Scope";
+ break;
+ case kVertexScope:
+ os << "Vertex Scope";
+ break;
+ }
+
+ os << '\n';
+}
+#endif
+
void AbcMeshReader::readPolyDataSample(Mesh *mesh,
const Int32ArraySamplePtr &face_indices,
const Int32ArraySamplePtr &face_counts,
@@ -917,19 +938,23 @@ void AbcMeshReader::readPolyDataSample(Mesh *mesh,
utils::mesh_add_mpolygons(mesh, num_poly);
utils::mesh_add_mloops(mesh, num_loops);
- IV2fGeomParam::Sample::samp_ptr_type uvsamp_vals;
+ Alembic::AbcGeom::V2fArraySamplePtr uvs;
+ Alembic::Abc::UInt32ArraySamplePtr uvs_indices;
const IV2fGeomParam uv = (m_subd_schema.valid() ?
m_subd_schema.getUVsParam()
:
m_schema.getUVsParam());
if (uv.valid()) {
IV2fGeomParam::Sample uvsamp = uv.getExpandedValue();
- uvsamp_vals = uvsamp.getVals();
+ uv.getIndexed(uvsamp, Alembic::Abc::ISampleSelector(0.0f));
+
+ uvs = uvsamp.getVals();
+ uvs_indices = uvsamp.getIndices();
ED_mesh_uv_texture_add(mesh,
Alembic::Abc::GetSourceName(uv.getMetaData()).c_str(), true);
}
read_mpolys(mesh->mpoly, mesh->mloop, mesh->mloopuv, &mesh->pdata,
- face_indices, face_counts, uvsamp_vals, normals);
+ face_indices, face_counts, uvs, uvs_indices, normals);
const ICompoundProperty &arb_geom_params = (m_schema.valid() ?
m_schema.getArbGeomParams()
:
m_subd_schema.getArbGeomParams());
@@ -1026,10 +1051,11 @@ void read_mverts(MVert *mverts,
}
}
-void read_mpolys(MPoly *mpolys, MLoop *mloops, MLoopUV *mloopuvs, CustomData
*pdata,
+void read_mpolys(MPoly *mpolys, MLoop *mloops, MLoopUV *mloopuvs, CustomData
*/*pdata*/,
const Alembic::AbcGeom::Int32ArraySamplePtr &face_indices,
const Alembic::AbcGeom::Int32ArraySamplePtr &face_counts,
const Alembic::AbcGeom::V2fArraySamplePtr &uvs,
+ const Alembic::AbcGeom::UInt32ArraySamplePtr &uvs_indices,
const Alembic::AbcGeom::N3fArraySamplePtr &/*normals*/)
{
int loopcount = 0;
@@ -1059,14 +1085,16 @@ void read_mpolys(MPoly *mpolys, MLoop *mloops, MLoopUV
*mloopuvs, CustomData *pd
/* TODO: reverse. */
int rev_loop = loopcount;
- for (int f = face_size; f-- ;) {
+ for (int f = face_size; f-- ; ++loopcount) {
MLoop &loop = mloops[rev_loop + f];
- vert_index = (*face_indices)[loopcount++];
+ vert_index = (*face_indices)[loopcount];
loop.v = vert_index;
- if (mloopuvs && uvs) {
+ if (mloopuvs && uvs && uvs_indices) {
MLoopUV &loopuv = mloopuvs[rev_loop + f];
+
+ vert_index = (*uvs_indices)[loopcount];
loopuv.uv[0] = (*uvs)[vert_index][0];
loopuv.uv[1] = (*uvs)[vert_index][1];
}
diff --git a/source/blender/alembic/intern/abc_mesh.h
b/source/blender/alembic/intern/abc_mesh.h
index fe7324b..3b194e0 100644
--- a/source/blender/alembic/intern/abc_mesh.h
+++ b/source/blender/alembic/intern/abc_mesh.h
@@ -131,6 +131,7 @@ void read_mpolys(MPoly *mpolys, MLoop *mloops, MLoopUV
*mloopuvs, CustomData *pd
const Alembic::AbcGeom::Int32ArraySamplePtr &face_indices,
const Alembic::AbcGeom::Int32ArraySamplePtr &face_counts,
const Alembic::AbcGeom::V2fArraySamplePtr &uvs,
+ const Alembic::AbcGeom::UInt32ArraySamplePtr &uvs_indices,
const Alembic::AbcGeom::N3fArraySamplePtr &normals);
void read_uvs(MPoly *mpolys, MLoop *mloops, MLoopUV *mloopuvs, size_t
face_count,
diff --git a/source/blender/alembic/intern/alembic_capi.cc
b/source/blender/alembic/intern/alembic_capi.cc
index 6b4c91e..4f9a142 100644
--- a/source/blender/alembic/intern/alembic_capi.cc
+++ b/source/blender/alembic/intern/alembic_capi.cc
@@ -716,11 +716,13 @@ static DerivedMesh *read_mesh_sample(DerivedMesh *dm,
const IObject &iobject, co
}
const IV2fGeomParam uv = schema.getUVsParam();
- IV2fGeomParam::Sample::samp_ptr_type uvsamp_vals;
+ Alembic::Abc::V2fArraySamplePtr uvs;
+ Alembic::Abc::UInt32ArraySamplePtr uvs_indices;
if (uv.valid()) {
IV2fGeomParam::Sample uvsamp = uv.getExpandedValue(sample_sel);
- uvsamp_vals = uvsamp.getVals();
+ uvs = uvsamp.getVals();
+ uvs_indices = uvsamp.getIndices();
}
N3fArraySamplePtr vertex_normals, poly_normals;
@@ -746,7 +748,7 @@ static DerivedMesh *read_mesh_sample(DerivedMesh *dm, const
IObject &iobject, co
CustomData *pdata = dm->getPolyDataLayout(dm);
read_mverts(mverts, positions, vertex_normals);
- read_mpolys(mpolys, mloops, mloopuvs, pdata, face_indices, face_counts,
uvsamp_vals, poly_normals);
+ read_mpolys(mpolys, mloops, mloopuvs, pdata, face_indices, face_counts,
uvs, uvs_indices, poly_normals);
CDDM_calc_edges(dm);
dm->dirty = static_cast<DMDirtyFlag>(static_cast<int>(dm->dirty) |
static_cast<int>(DM_DIRTY_NORMALS));
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