workaround for missing uv0 coordinates

NegInfinity · Jun 3, 2019 · e33fd20 · e33fd20
1 parent 117f537
commit e33fd20
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Showing 2 changed files with 12 additions and 8 deletions.
diff --git a/ExodusImport/Source/ExodusImport/Private/JsonImporter/Mesh.cpp b/ExodusImport/Source/ExodusImport/Private/JsonImporter/Mesh.cpp
@@ -58,13 +58,6 @@ void JsonImporter::importStaticMesh(const JsonMesh &jsonMesh, int32 meshId){
 	);
 
 	if (mesh){
-		/*
-		auto bodySetup = mesh->BodySetup;
-		if (!bodySetup){
-			mesh->CreateBodySetup();
-		}
-		*/
-
 		auto meshPath = mesh->GetPathName();
 		meshIdMap.Add(jsonMesh.id, meshPath);
 	}
@@ -111,6 +104,7 @@ void JsonImporter::importSkeletalMesh(const JsonMesh &jsonMesh, int32 meshId){
 }
 
 void JsonImporter::importMesh(const JsonMesh &jsonMesh, int32 meshId){
+	UE_LOG(JsonLog, Log, TEXT("Importing mesh: %s(%d)"), *jsonMesh.name, jsonMesh.id.id)
 	UE_LOG(JsonLog, Log, TEXT("Mesh data: Verts: %d; submeshes: %d; materials: %d; colors %d; normals: %d"), 
 		jsonMesh.verts.Num(), jsonMesh.subMeshes.Num(), jsonMesh.colors.Num(), jsonMesh.normals.Num());
 	UE_LOG(JsonLog, Log, TEXT("Mesh data: uv0: %d; uv1: %d; uv2: %d; uv3: %d; uv4: %d; uv5: %d; uv6: %d; uv7: %d;"),

diff --git a/ExodusImport/Source/ExodusImport/Private/MeshBuilder/StaticMesh.cpp b/ExodusImport/Source/ExodusImport/Private/MeshBuilder/StaticMesh.cpp
@@ -64,6 +64,10 @@ void MeshBuilder::setupStaticMesh(UStaticMesh *mesh, const JsonMesh &jsonMesh, s
 			UE_LOG(JsonLog, Log, TEXT("Uv floats[%d]: %d, hasUvs: %d"), i, uvFloats[i]->Num(), (int)hasUvs[i]);
 		}
 
+		if (!hasUvs[0]){
+			UE_LOG(JsonLog, Warning, TEXT("No default uvs found on mesh %s(%d). Placeholder coordinates will be used."), *jsonMesh.name, jsonMesh.id.id);
+		}
+
 		//submesh generation
 		newRawMesh.WedgeIndices.SetNum(0);
 
@@ -101,8 +105,14 @@ void MeshBuilder::setupStaticMesh(UStaticMesh *mesh, const JsonMesh &jsonMesh, s
 					);
 
 					for(int32 uvIndex = 0; uvIndex < maxUvs; uvIndex++){
-						if (!hasUvs[uvIndex])
+						if (!hasUvs[uvIndex]){
+							if (uvIndex != 0)
+								continue;
+							auto tmpPos = getIdxVector3(jsonMesh.verts, origIndex);
+							FVector2D tmpUv(tmpPos.X, tmpPos.Y);
+							newRawMesh.WedgeTexCoords[uvIndex].Add(tmpUv);
 							continue;
+						}
 
 						auto tmpUv = getIdxVector2(*uvFloats[uvIndex], origIndex);
 						tmpUv.Y = 1.0f - tmpUv.Y;