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-rw-r--r--scene/resources/importer_mesh.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/scene/resources/importer_mesh.cpp b/scene/resources/importer_mesh.cpp
index 71640357b9..293fdd6f05 100644
--- a/scene/resources/importer_mesh.cpp
+++ b/scene/resources/importer_mesh.cpp
@@ -331,6 +331,7 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli
bool is_uvs_close = (!uvs_ptr || uvs_ptr[j].distance_squared_to(uvs_ptr[idx.second]) < CMP_EPSILON2);
bool is_uv2s_close = (!uv2s_ptr || uv2s_ptr[j].distance_squared_to(uv2s_ptr[idx.second]) < CMP_EPSILON2);
+ ERR_FAIL_INDEX(idx.second, normals.size());
bool is_normals_close = normals[idx.second].dot(n) > normal_merge_threshold;
if (is_uvs_close && is_uv2s_close && is_normals_close) {
vertex_remap.push_back(idx.first);
@@ -1046,6 +1047,10 @@ Error ImporterMesh::lightmap_unwrap_cached(const Transform3D &p_base_transform,
PackedVector3Array rnormals = arrays[Mesh::ARRAY_NORMAL];
+ if (!rnormals.size()) {
+ continue;
+ }
+
int vertex_ofs = vertices.size() / 3;
vertices.resize((vertex_ofs + vc) * 3);
@@ -1086,6 +1091,9 @@ Error ImporterMesh::lightmap_unwrap_cached(const Transform3D &p_base_transform,
} else {
for (int j = 0; j < ic / 3; j++) {
+ ERR_FAIL_INDEX_V(rindices[j * 3 + 0], rvertices.size(), ERR_INVALID_DATA);
+ ERR_FAIL_INDEX_V(rindices[j * 3 + 1], rvertices.size(), ERR_INVALID_DATA);
+ ERR_FAIL_INDEX_V(rindices[j * 3 + 2], rvertices.size(), ERR_INVALID_DATA);
Vector3 p0 = transform.xform(rvertices[rindices[j * 3 + 0]]);
Vector3 p1 = transform.xform(rvertices[rindices[j * 3 + 1]]);
Vector3 p2 = transform.xform(rvertices[rindices[j * 3 + 2]]);