Vector4 FBXModel::convert(const KFbxVector4& vector) { return Vector4((float)vector.GetAt(0), (float)vector.GetAt(1), (float)vector.GetAt(2), (float)vector.GetAt(3)); }
void FBXJSONSerializer::recurse_over_model(fbxsdk_2012_1::KFbxNode *fbx_node, json::Array& meshes_array) { KFbxMesh* old_mesh = fbx_node->GetMesh(); if (old_mesh) { KFbxGeometryConverter converter(fbx_node->GetFbxSdkManager()); KFbxMesh* mesh = converter.TriangulateMesh(old_mesh); mesh->ComputeBBox(); mesh->ComputeVertexNormals(); Object json_mesh; { KFbxLayerElementUV* uvs = mesh->GetLayer(0)->GetUVs(); KFbxLayerElementNormal* normals = mesh->GetLayer(0, KFbxLayerElement::eNORMAL)->GetNormals(); Array json_mesh_normals; Array json_mesh_uvs; Array json_mesh_vertices; int polygon_count = mesh->GetPolygonCount(); for (int poly_index = 0; poly_index < polygon_count; poly_index++) { for (int vertex_index = 0; vertex_index < mesh->GetPolygonSize(poly_index); vertex_index++) { int vertex_position = mesh->GetPolygonVertex(poly_index, vertex_index); KFbxVector4 vertex = mesh->GetControlPoints()[vertex_position]; Number vertex_x = vertex.GetAt(0); json_mesh_vertices.Insert(vertex_x); Number vertex_y = vertex.GetAt(1); json_mesh_vertices.Insert(vertex_y); Number vertex_z = vertex.GetAt(2); json_mesh_vertices.Insert(vertex_z); KFbxVector4 normal = normals->GetDirectArray()[vertex_position]; Number normal_x = normal.GetAt(0); json_mesh_normals.Insert(normal_x); Number normal_y = normal.GetAt(1); json_mesh_normals.Insert(normal_y); Number normal_z = normal.GetAt(2); json_mesh_normals.Insert(normal_z); if (uvs) { int mesh_index = mesh->GetTextureUVIndex(poly_index, vertex_index); KFbxVector2 uv = uvs->GetDirectArray().GetAt(mesh_index); Number uv_x = 1.0f-uv[0]; json_mesh_uvs.Insert(uv_x); // these are flipped Number uv_y = 1.0f-uv[1]; json_mesh_uvs.Insert(uv_y); } } } json_mesh["vertices"] = json_mesh_vertices; json_mesh["normals"] = json_mesh_normals; json_mesh["uvs"] = json_mesh_uvs; } { fbxDouble3 scale = fbx_node->LclScaling.Get(); Object json_mesh_scale; json_mesh_scale["x"] = Number(scale[0]); json_mesh_scale["y"] = Number(scale[1]); json_mesh_scale["z"] = Number(scale[2]); json_mesh["scale"] = json_mesh_scale; } { fbxDouble3 translation = fbx_node->LclTranslation.Get(); Object json_mesh_translation; json_mesh_translation["x"] = Number(translation[0]); json_mesh_translation["y"] = Number(translation[1]); json_mesh_translation["z"] = Number(translation[2]); json_mesh["translation"] = json_mesh_translation; } { fbxDouble3 rotation = fbx_node->LclRotation.Get(); Object json_mesh_rotation; json_mesh_rotation["x"] = Number(rotation[0]); json_mesh_rotation["y"] = Number(rotation[1]); json_mesh_rotation["z"] = Number(rotation[2]); json_mesh["rotation"] = json_mesh_rotation; } { int material_count = fbx_node->GetMaterialCount(); Array json_mesh_materials; for (int material_index = 0; material_index < material_count; material_index++) { KFbxSurfaceMaterial* surface_material = fbx_node->GetMaterial(material_index); Object json_material; Array json_textures; int textureIndex = 0; FOR_EACH_TEXTURE(textureIndex) { KFbxProperty property = surface_material->FindProperty(KFbxLayerElement::TEXTURE_CHANNEL_NAMES[textureIndex]); int layered_texture_count = property.GetSrcObjectCount(KFbxTexture::ClassId); for (int layered_texture_index = 0; layered_texture_index < layered_texture_count; ++layered_texture_index) { KFbxTexture* texture = KFbxCast <KFbxTexture> (property.GetSrcObject(KFbxTexture::ClassId, layered_texture_index)); if(texture) { KFbxFileTexture *file_texture = KFbxCast<KFbxFileTexture>(texture); if (file_texture) { Object json_texture; json_texture["filename"] = String(file_texture->GetFileName()); json_textures.Insert(json_texture); } } } } json_material["textures"] = json_textures; KFbxSurfaceLambert* lambert_material = KFbxCast<KFbxSurfaceLambert>(surface_material); if (lambert_material) { Object diffuse; double diffuse_r = lambert_material->Diffuse.Get()[0]; diffuse["r"] = Number(diffuse_r); double diffuse_g = lambert_material->Diffuse.Get()[1]; diffuse["g"] = Number(diffuse_g); double diffuse_b = lambert_material->Diffuse.Get()[2]; diffuse["b"] = Number(diffuse_b); json_material["diffuse"] = diffuse; Object ambient; double ambient_r = lambert_material->Ambient.Get()[0]; ambient["r"] = Number(ambient_r); double ambient_g = lambert_material->Ambient.Get()[1]; ambient["g"] = Number(ambient_g); double ambient_b = lambert_material->Ambient.Get()[2]; ambient["b"] = Number(ambient_b); json_material["ambient"] = ambient; KFbxProperty specular_property = lambert_material->FindProperty("SpecularColor"); fbxDouble3 specular_data; specular_property.Get(&specular_data, eDOUBLE3); Object specular; float specular_r = specular_data[0]; specular["r"] = Number(specular_r); float specular_g = specular_data[1]; specular["g"] = Number(specular_g); float specular_b = specular_data[2]; specular["b"] = Number(specular_b); json_material["specular"] = specular; } json_mesh_materials.Insert(json_material); } json_mesh["materials"] = json_mesh_materials; } json_mesh["uv_stride"] = Number(2); json_mesh["vertex_stride"] = Number(3); json_mesh["normal_stride"] = Number(3); meshes_array.Insert(json_mesh); } for(int j = 0; j < fbx_node->GetChildCount(); j++) { recurse_over_model(fbx_node->GetChild(j), meshes_array); } }