[Bf-blender-cvs] [cc0cc880de5] master: Alembic: reduced code duplication in read_mcols()
Sybren A. Stüvel
noreply at git.blender.org
Tue May 23 17:29:14 CEST 2017
Commit: cc0cc880de5a66d72f571bec4c7d3eb1219aefc0
Author: Sybren A. Stüvel
Date: Tue May 23 14:19:38 2017 +0200
Branches: master
https://developer.blender.org/rBcc0cc880de5a66d72f571bec4c7d3eb1219aefc0
Alembic: reduced code duplication in read_mcols()
A big chunk of code was copied between the if and else bodies. By using
a boolean to store whether the c3f_ptr or c4f_ptr should be used, the
in-loop condition is kept as simple as possible.
===================================================================
M source/blender/alembic/intern/abc_customdata.cc
===================================================================
diff --git a/source/blender/alembic/intern/abc_customdata.cc b/source/blender/alembic/intern/abc_customdata.cc
index 5fa3d10fa16..c42e5f808b5 100644
--- a/source/blender/alembic/intern/abc_customdata.cc
+++ b/source/blender/alembic/intern/abc_customdata.cc
@@ -228,38 +228,34 @@ using Alembic::AbcGeom::IC4fGeomParam;
using Alembic::AbcGeom::IV2fGeomParam;
static void read_mcols(const CDStreamConfig &config, void *data,
- const C3fArraySamplePtr &c3f_ptr, const C4fArraySamplePtr &c4f_ptr)
+ const C3fArraySamplePtr &c3f_ptr,
+ const C4fArraySamplePtr &c4f_ptr)
{
MCol *cfaces = static_cast<MCol *>(data);
MPoly *polys = config.mpoly;
MLoop *mloops = config.mloop;
- if (c3f_ptr) {
- for (int i = 0; i < config.totpoly; ++i) {
- MPoly *p = &polys[i];
- MCol *cface = &cfaces[p->loopstart + p->totloop];
- MLoop *mloop = &mloops[p->loopstart + p->totloop];
+ /* Either one or the other should be given. */
+ BLI_assert(c3f_ptr || c4f_ptr);
+ const bool use_c3f_ptr = (c3f_ptr.get() != nullptr);
- for (int j = 0; j < p->totloop; ++j) {
- cface--;
- mloop--;
+ for (int i = 0; i < config.totpoly; ++i) {
+ MPoly *p = &polys[i];
+ MCol *cface = &cfaces[p->loopstart + p->totloop];
+ MLoop *mloop = &mloops[p->loopstart + p->totloop];
+
+ for (int j = 0; j < p->totloop; ++j) {
+ cface--;
+ mloop--;
+
+ if (use_c3f_ptr) {
const Imath::C3f &color = (*c3f_ptr)[mloop->v];
cface->a = FTOCHAR(color[0]);
cface->r = FTOCHAR(color[1]);
cface->g = FTOCHAR(color[2]);
cface->b = 255;
}
- }
- }
- else if (c4f_ptr) {
- for (int i = 0; i < config.totpoly; ++i) {
- MPoly *p = &polys[i];
- MCol *cface = &cfaces[p->loopstart + p->totloop];
- MLoop *mloop = &mloops[p->loopstart + p->totloop];
-
- for (int j = 0; j < p->totloop; ++j) {
- cface--;
- mloop--;
+ else {
const Imath::C4f &color = (*c4f_ptr)[mloop->v];
cface->a = FTOCHAR(color[0]);
cface->r = FTOCHAR(color[1]);
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