diff options
Diffstat (limited to 'scene/resources/importer_mesh.cpp')
| -rw-r--r-- | scene/resources/importer_mesh.cpp | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/scene/resources/importer_mesh.cpp b/scene/resources/importer_mesh.cpp index 0afca95de0..de3d502102 100644 --- a/scene/resources/importer_mesh.cpp +++ b/scene/resources/importer_mesh.cpp @@ -254,7 +254,20 @@ void ImporterMesh::set_surface_material(int p_surface, const Ref<Material> &p_ma mesh.unref(); } -void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_split_angle) { +#define VERTEX_SKIN_FUNC(bone_count, vert_idx, read_array, write_array, transform_array, bone_array, weight_array) \ + Vector3 transformed_vert = Vector3(); \ + for (unsigned int weight_idx = 0; weight_idx < bone_count; weight_idx++) { \ + int bone_idx = bone_array[vert_idx * bone_count + weight_idx]; \ + float w = weight_array[vert_idx * bone_count + weight_idx]; \ + if (w < FLT_EPSILON) { \ + continue; \ + } \ + ERR_FAIL_INDEX(bone_idx, static_cast<int>(transform_array.size())); \ + transformed_vert += transform_array[bone_idx].xform(read_array[vert_idx]) * w; \ + } \ + write_array[vert_idx] = transformed_vert; + +void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_split_angle, Array p_bone_transform_array) { if (!SurfaceTool::simplify_scale_func) { return; } @@ -265,6 +278,12 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli return; } + LocalVector<Transform3D> bone_transform_vector; + for (int i = 0; i < p_bone_transform_array.size(); i++) { + ERR_FAIL_COND(p_bone_transform_array[i].get_type() != Variant::TRANSFORM3D); + bone_transform_vector.push_back(p_bone_transform_array[i]); + } + for (int i = 0; i < surfaces.size(); i++) { if (surfaces[i].primitive != Mesh::PRIMITIVE_TRIANGLES) { continue; @@ -276,6 +295,8 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli 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]; + Vector<int> bones = surfaces[i].arrays[RS::ARRAY_BONES]; + Vector<float> weights = surfaces[i].arrays[RS::ARRAY_WEIGHTS]; unsigned int index_count = indices.size(); unsigned int vertex_count = vertices.size(); @@ -301,6 +322,22 @@ void ImporterMesh::generate_lods(float p_normal_merge_angle, float p_normal_spli } } + if (bones.size() > 0 && weights.size() && bone_transform_vector.size() > 0) { + Vector3 *vertices_ptrw = vertices.ptrw(); + + // Apply bone transforms to regular surface. + unsigned int bone_weight_length = surfaces[i].flags & Mesh::ARRAY_FLAG_USE_8_BONE_WEIGHTS ? 8 : 4; + + const int *bo = bones.ptr(); + const float *we = weights.ptr(); + + for (unsigned int j = 0; j < vertex_count; j++) { + VERTEX_SKIN_FUNC(bone_weight_length, j, vertices_ptr, vertices_ptrw, bone_transform_vector, bo, we) + } + + vertices_ptr = vertices.ptr(); + } + float normal_merge_threshold = Math::cos(Math::deg_to_rad(p_normal_merge_angle)); float normal_pre_split_threshold = Math::cos(Math::deg_to_rad(MIN(180.0f, p_normal_split_angle * 2.0f))); float normal_split_threshold = Math::cos(Math::deg_to_rad(p_normal_split_angle)); @@ -1246,7 +1283,7 @@ void ImporterMesh::_bind_methods() { ClassDB::bind_method(D_METHOD("set_surface_name", "surface_idx", "name"), &ImporterMesh::set_surface_name); ClassDB::bind_method(D_METHOD("set_surface_material", "surface_idx", "material"), &ImporterMesh::set_surface_material); - ClassDB::bind_method(D_METHOD("generate_lods", "normal_merge_angle", "normal_split_angle"), &ImporterMesh::generate_lods); + ClassDB::bind_method(D_METHOD("generate_lods", "normal_merge_angle", "normal_split_angle", "bone_transform_array"), &ImporterMesh::generate_lods); ClassDB::bind_method(D_METHOD("get_mesh", "base_mesh"), &ImporterMesh::get_mesh, DEFVAL(Ref<ArrayMesh>())); ClassDB::bind_method(D_METHOD("clear"), &ImporterMesh::clear); |