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Fix crash when importing model mesh with multiple materials but no mapping on a Geometry

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#572
This commit is contained in:
Wojtek Figat
2021-07-22 10:20:19 +02:00
parent b7a7bc891a
commit 383ea4d603
1 changed files with 1 additions and 2 deletions
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3
Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp
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@@ -861,7 +861,7 @@ bool ImportMeshes(OpenFbxImporterData& data, String& errorMsg)
if (IsMeshInvalid(aMesh))
continue;
if (aMesh->getMaterialCount() < 2)
if (aMesh->getMaterialCount() < 2 || !aGeometry->getMaterials())
{
// Fast path if mesh is using single material for all triangles
if (ImportMesh(data, aMesh, errorMsg, 0, trianglesCount - 1))
@@ -871,7 +871,6 @@ bool ImportMeshes(OpenFbxImporterData& data, String& errorMsg)
{
// Create mesh for each sequence of triangles that share the same material
const auto materials = aGeometry->getMaterials();
ASSERT_LOW_LAYER(materials);
int32 rangeStart = 0;
int32 rangeStartVal = materials[rangeStart];
for (int32 triangleIndex = 1; triangleIndex < trianglesCount; triangleIndex++)