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Diffstat (limited to 'scene/resources/importer_mesh.cpp')
-rw-r--r--scene/resources/importer_mesh.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/scene/resources/importer_mesh.cpp b/scene/resources/importer_mesh.cpp
index 92ab091b86..30deb5ccd5 100644
--- a/scene/resources/importer_mesh.cpp
+++ b/scene/resources/importer_mesh.cpp
@@ -275,6 +275,7 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli
PackedInt32Array indices = surfaces[i].arrays[RS::ARRAY_INDEX];
Vector<Vector3> normals = surfaces[i].arrays[RS::ARRAY_NORMAL];
Vector<Vector2> uvs = surfaces[i].arrays[RS::ARRAY_TEX_UV];
+ Vector<Vector2> uv2s = surfaces[i].arrays[RS::ARRAY_TEX_UV2];
unsigned int index_count = indices.size();
unsigned int vertex_count = vertices.size();
@@ -287,7 +288,7 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli
const int *indices_ptr = indices.ptr();
if (normals.is_empty()) {
- normals.resize(vertices.size());
+ normals.resize(index_count);
Vector3 *n_ptr = normals.ptrw();
for (unsigned int j = 0; j < index_count; j += 3) {
const Vector3 &v0 = vertices_ptr[indices_ptr[j + 0]];
@@ -313,6 +314,7 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli
LocalVector<Vector3> merged_normals;
LocalVector<int> merged_normals_counts;
const Vector2 *uvs_ptr = uvs.ptr();
+ const Vector2 *uv2s_ptr = uv2s.ptr();
for (unsigned int j = 0; j < vertex_count; j++) {
const Vector3 &v = vertices_ptr[j];
@@ -327,8 +329,10 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli
for (unsigned int k = 0; k < close_verts.size(); k++) {
const Pair<int, int> &idx = close_verts[k];
- // TODO check more attributes?
- if ((!uvs_ptr || uvs_ptr[j].distance_squared_to(uvs_ptr[idx.second]) < CMP_EPSILON2) && normals[idx.second].dot(n) > normal_merge_threshold) {
+ 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);
+ 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);
merged_normals[idx.first] += normals[idx.second];
merged_normals_counts[idx.first]++;