Merge pull request #1336 from zenustech/abc-i32-attr

abc-i32-attr
zenustech · Aug 1, 2023 · 9bde0bf · 9bde0bf
2 parents a9a4bf6 + f679dfe
commit 9bde0bf
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/projects/Alembic/ReadAlembic.cpp b/projects/Alembic/ReadAlembic.cpp
@@ -85,6 +85,31 @@ static void read_attributes(std::shared_ptr<PrimitiveObject> prim, ICompoundProp
                 }
             }
         }
+        else if (IInt32GeomParam::matches(p)) {
+            IInt32GeomParam param(arbattrs, p.getName());
+
+            IInt32GeomParam::Sample samp = param.getIndexedValue(iSS);
+            std::vector<int> data;
+            data.resize(samp.getVals()->size());
+            for (auto i = 0; i < samp.getVals()->size(); i++) {
+                data[i] = samp.getVals()->get()[i];
+            }
+            if (!read_done) {
+                log_info("[alembic] i32 attr {}, len {}.", p.getName(), data.size());
+            }
+
+            if (prim->verts.size() == data.size()) {
+                auto &attr = prim->add_attr<int>(p.getName());
+                for (auto i = 0; i < prim->verts.size(); i++) {
+                    attr[i] = data[i];
+                }
+            }
+            else {
+                if (!read_done) {
+                    log_error("[alembic] can not load attr {}. Check if link to Points channel when exported from Houdini.", p.getName());
+                }
+            }
+        }
         else if (IV3fGeomParam::matches(p)) {
             IV3fGeomParam param(arbattrs, p.getName());
             if (!read_done) {