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#include "factoryMesh.h"
#include "collections.hpp"
#include "gfx/models/vertex.hpp"
#include "modelFactoryMesh.h"
Mesh::Ptr
FactoryMesh::createMesh() const
{
ModelFactoryMesh mesh;
for (const auto & use : uses) {
use->createMesh(mesh, 1);
}
mesh.update_face_normals();
mesh.update_vertex_normals();
std::vector<Vertex> vertices;
std::vector<unsigned int> indices;
for (const auto & face : mesh.faces()) {
const auto smooth = mesh.property(mesh.smoothFaceProperty, face);
const auto colour = mesh.color(face);
auto hrange = mesh.fh_range(face);
const unsigned int start = static_cast<unsigned int>(vertices.size());
for (const auto & heh : hrange) {
const auto & vertex = mesh.to_vertex_handle(heh);
const auto textureUV = mesh.texcoord2D(heh);
vertices.emplace_back(mesh.point(vertex), textureUV,
smooth ? mesh.property(mesh.vertex_normals_pph(), vertex)
: mesh.property(mesh.face_normals_pph(), face),
colour);
}
const auto vcount = std::distance(hrange.begin(), hrange.end());
for (unsigned int i = 2; i < vcount; i++) {
indices.push_back(start);
indices.push_back(start + i - 1);
indices.push_back(start + i);
}
}
return std::make_shared<Mesh>(vertices, indices);
}
bool
FactoryMesh::persist(Persistence::PersistenceStore & store)
{
return STORE_TYPE && STORE_MEMBER(id) && STORE_MEMBER(size)
&& STORE_NAME_HELPER("use", uses, Persistence::Appender<Use::Collection>);
}
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