From f679dfeef5a381983b1a76aefe84ecc359bcda69 Mon Sep 17 00:00:00 2001
From: zhouhang95 <765229842@qq.com>
Date: Tue, 1 Aug 2023 12:47:22 +0800
Subject: [PATCH] abc-i32-attr

---
 projects/Alembic/ReadAlembic.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/projects/Alembic/ReadAlembic.cpp b/projects/Alembic/ReadAlembic.cpp
index 29d35053c5..e196823d61 100644
--- 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) {