USD to SDF: Returned errors in USDWorld (#896)

Signed-off-by: ahcorde <ahcorde@gmail.com>

Author: ahcorde

usd/src/usd_parser/USDMaterial.cc

@@ -144,7 +144,8 @@ namespace sdf
                 assetPath(pxr::TfToken("diffuse_texture"), variantShader);
               pbrWorkflow.SetAlbedoMap(materialPath.GetAssetPath());
               std::string fullAlbedoName =
-                ignition::common::findFile(materialPath.GetAssetPath());
+                ignition::common::findFile(ignition::common::basename(
+                  materialPath.GetAssetPath()));
               UsdErrors errorCopy = copyFile(
                 fullAlbedoName, materialPath.GetAssetPath());
               if (!errorCopy.empty())
@@ -160,7 +161,8 @@ namespace sdf
                 assetPath(pxr::TfToken("normalmap_texture"), variantShader);
               pbrWorkflow.SetNormalMap(materialPath.GetAssetPath());
               std::string fullNormalName =
-                ignition::common::findFile(materialPath.GetAssetPath());
+                ignition::common::findFile(ignition::common::basename(
+                  materialPath.GetAssetPath()));
               auto errorCopy = copyFile(fullNormalName,
                 materialPath.GetAssetPath());
               if (!errorCopy.empty())
@@ -176,7 +178,8 @@ namespace sdf
                   pxr::TfToken("reflectionroughness_texture"), variantShader);
               pbrWorkflow.SetRoughnessMap(materialPath.GetAssetPath());
               std::string fullRoughnessName =
-                ignition::common::findFile(materialPath.GetAssetPath());
+                ignition::common::findFile(ignition::common::basename(
+                  materialPath.GetAssetPath()));
               auto errorCopy = copyFile(
                 fullRoughnessName, materialPath.GetAssetPath());
               if (!errorCopy.empty())
@@ -192,7 +195,8 @@ namespace sdf
                   pxr::TfToken("metallic_texture"), variantShader);
               pbrWorkflow.SetMetalnessMap(materialPath.GetAssetPath());
               std::string fullMetalnessName =
-                ignition::common::findFile(materialPath.GetAssetPath());
+                ignition::common::findFile(ignition::common::basename(
+                  materialPath.GetAssetPath()));
               auto errorCopy = copyFile(
                 fullMetalnessName, materialPath.GetAssetPath());
               if (!errorCopy.empty())

usd/src/usd_parser/USDWorld.cc

@@ -42,8 +42,12 @@ namespace usd
   {
     UsdErrors errors;
     USDData usdData(_inputFileName);
-    usdData.Init();
-    usdData.ParseMaterials();
+    errors = usdData.Init();
+    if (!errors.empty())
+      return errors;
+    errors = usdData.ParseMaterials();
+    if (!errors.empty())
+      return errors;
 
     auto reference = pxr::UsdStage::Open(_inputFileName);
     if (!reference)

usd/src/usd_parser/usd2sdf_TEST.cc

@@ -20,6 +20,7 @@
 
 #include <ignition/common/Filesystem.hh>
 #include <ignition/common/TempDirectory.hh>
+#include <ignition/common/Util.hh>
 
 #include <ignition/utilities/ExtraTestMacros.hh>
 
@@ -74,6 +75,10 @@ TEST(check_cmd, IGN_UTILS_TEST_DISABLED_ON_WIN32(SDF))
 {
   const auto tmp = ignition::common::createTempDirectory("usd",
       ignition::common::tempDirectoryPath());
+
+  auto systemPaths = ignition::common::systemPaths();
+  systemPaths->AddFilePaths(ignition::common::joinPaths(
+    sdf::testing::TestFile("usd"), "materials", "textures"));
   // Check a good SDF file
   {
     const std::string path = sdf::testing::TestFile("usd", "upAxisZ.usda");