std::string GetFilenameWithoutExtension(const filesystem::path& filePath)
{
auto extension = filePath.extension();
auto filename = filePath.filename();
return !extension.empty() ? filename.substr(0, filename.length() - extension.length() - 1) : filename;
}
bool Parser::ParseWorkspace(const filesystem::path& filePath)
{
if (filePath.str().empty())
{
std::cout << "invalid workspace filename" << std::endl;
return false;
}
WorkingDirectory::SetCurrent(filePath.make_absolute().parent_path().str());
std::cout << "{ cwd : " << WorkingDirectory::GetCurrent() << " }" << std::endl;
internal::EnsureDirectoryExists(outputDirectory_);
auto workspace = JsonImporter::ImportWorkspace(pimpl_->GetFileManager(), filePath.filename());
return ParseWorkspace(workspace.get());
}
//! The function stores the specified file in the storage
void file_collector::store_file(filesystem::path const& src_path)
{
// NOTE FOR THE FOLLOWING CODE:
// Avoid using Boost.Filesystem functions that would call path::codecvt(). store_file() can be called
// at process termination, and the global codecvt facet can already be destroyed at this point.
// https://svn.boost.org/trac/boost/ticket/8642
// Let's construct the new file name
file_info info;
info.m_TimeStamp = filesystem::last_write_time(src_path);
info.m_Size = filesystem::file_size(src_path);
filesystem::path file_name_path = src_path.filename();
path_string_type file_name = file_name_path.native();
info.m_Path = m_StorageDir / file_name_path;
// Check if the file is already in the target directory
filesystem::path src_dir = src_path.has_parent_path() ?
filesystem::system_complete(src_path.parent_path()) :
m_BasePath;
const bool is_in_target_dir = filesystem::equivalent(src_dir, m_StorageDir);
if (!is_in_target_dir)
{
if (filesystem::exists(info.m_Path))
{
// If the file already exists, try to mangle the file name
// to ensure there's no conflict. I'll need to make this customizable some day.
file_counter_formatter formatter(file_name.size(), 5);
unsigned int n = 0;
do
{
path_string_type alt_file_name = formatter(file_name, n++);
info.m_Path = m_StorageDir / filesystem::path(alt_file_name);
}
while (filesystem::exists(info.m_Path) && n < (std::numeric_limits< unsigned int >::max)());
}
// The directory should have been created in constructor, but just in case it got deleted since then...
filesystem::create_directories(m_StorageDir);
}
BOOST_LOG_EXPR_IF_MT(lock_guard< mutex > lock(m_Mutex);)
//! Acquires file name string from the path
static path_string_type filename_string(filesystem::path const& p)
{
return p.filename().string< path_string_type >();
}
void
Scene::load(const filesystem::path &file)
{
size_t i;
std::string message;
if(!filesystem::exists(file))
throw std::runtime_error(std::string("File does not exists:") + file.string());
this->collada = new DAE;
message = "Start loading COLLADA DOM from ";
message += file.string();
this->scene_graph.printStatusMessage(message);
this->dae_file_name = file;
// load with full path
domCOLLADA *dom = this->collada->open(file.string());
if(!dom)
{
delete this->collada;
throw std::runtime_error(std::string("Error loading the COLLADA file ")
+ file.string()
+ ". Make sure it is COLLADA 1.4 or greater");
}
this->scene_graph.printStatusMessage("Begin conditioning");
//if(kmzcleanup(this->collada, true))
// std::cout << " kmzcleanup complete\n";
int res = 0;
this->scene_graph.printStatusMessage(" triangulating");
res = triangulate(this->collada);
if(res)
{
std::ostringstream os;
os << " triangulation returns error " << res << std::ends;
this->scene_graph.printStatusMessage(os.str());
}
else
this->scene_graph.printStatusMessage(std::string(" triangulation complete"));
/*
this->scene_graph.printStatusMessage(std::string(" deindexing"));
res = deindex(this->collada);
if(res)
{
std::ostringstream os;
os << " deindexer returns error " << res << std::ends;
this->scene_graph.printStatusMessage(os.str());
}
else
this->scene_graph.printStatusMessage(std::string(" deindexing complete"));
*/
this->scene_graph.printStatusMessage(std::string("Finish conditioning."));
// Need to get the asset tag which will determine what vector x y or z is up. Typically y or z.
domAssetRef asset = dom->getAsset();
this->scene_graph.printStatusMessage(std::string("File information:"));
const domAsset::domContributor_Array &contributors = asset->getContributor_array();
for(i = 0; i < contributors.getCount(); ++i)
{
domAsset::domContributorRef c = contributors.get(i);
this->scene_graph.printStatusMessage(std::string(" author:") + c->getAuthor()->getCharData());
this->scene_graph.printStatusMessage(std::string(" authoring tool:") + c->getAuthoring_tool()->getCharData());
}
if(asset->getCreated())
this->scene_graph.printStatusMessage(std::string(" created: ") + asset->getCreated()->getCharData());
if(asset->getModified())
this->scene_graph.printStatusMessage(std::string(" modified: ") + asset->getModified()->getCharData());
if(asset->getUnit())
{
std::ostringstream os;
os << " units: " << asset->getUnit()->getMeter() << " meter (" << asset->getUnit()->getAttribute("name") << ")";
os << std::ends;
this->scene_graph.printStatusMessage(os.str());
}
if(asset->getUp_axis())
{
domAsset::domUp_axis *up = dom->getAsset()->getUp_axis();
if(up)
this->up_axis = up->getValue();
switch(this->up_axis)
{
case UPAXISTYPE_X_UP:
this->scene_graph.printStatusMessage(std::string(" X axis is UP axis."));
break;
case UPAXISTYPE_Y_UP:
this->scene_graph.printStatusMessage(std::string(" Y axis is UP axis."));
break;
case UPAXISTYPE_Z_UP:
this->scene_graph.printStatusMessage(std::string(" Z axis is UP axis."));
break;
default:
break;
}
}
this->scene_graph.printStatusMessage("Building libraries");
// Load the image for the default texture.
const Image::ImageID image_key = {"default", ""};
bool inserted;
Image::ImageList::iterator img_iter;
tie(img_iter, inserted) = this->scene_graph.all_images.insert(std::make_pair(image_key, Image()));
Image &img = img_iter->second;
img.image = IMG_Load("default.tga");
if(!img.image)
{
scene_graph.all_images.erase(image_key);
this->scene_graph.printStatusMessage("Can not load default.tga for the default texture.");
}
this->scene_graph.printStatusMessage(" Load image libraries");
const domLibrary_images_Array &ia = dom->getLibrary_images_array();
for(i = 0; i < ia.getCount(); ++i)
this->readImageLibrary(ia[i]);
this->scene_graph.printStatusMessage(" Load effect libraries");
const domLibrary_effects_Array &ea = dom->getLibrary_effects_array();
for(i = 0; i < ea.getCount(); i++)
this->readEffectLibrary(ea[i]);
this->scene_graph.printStatusMessage(" Load material libraries");
const domLibrary_materials_Array &ma = dom->getLibrary_materials_array();
for(i = 0; i < ma.getCount(); i++)
this->readMaterialLibrary(ma[i]);
this->scene_graph.printStatusMessage(" Load animation libraries");
const domLibrary_animations_Array &aa = dom->getLibrary_animations_array();
for(i = 0; i < aa.getCount(); i++)
this->readAnimationLibrary(aa[i]);
// Find the scene we want
domCOLLADA::domSceneRef domScene = dom->getScene();
daeElement* defaultScene = NULL;
if (domScene)
if (domScene->getInstance_visual_scene())
if (domScene->getInstance_visual_scene())
defaultScene = domScene->getInstance_visual_scene()->getUrl().getElement();
if(defaultScene)
this->readScene((domVisual_scene*)defaultScene);
// If no lights were loaded, we need to make one so the scene won't be totally black
if(this->scene_graph.all_lights.empty())
{
// new Light
this->scene_graph.printStatusMessage("Scene: no lights were loaded. Creating a default light");
const Light::LightID light_key =
{"no_light_in_scene_default_light", dom->getDocumentURI()->getURI()};
bool inserted;
Light::LightList::iterator light;
tie(light, inserted) = scene_graph.all_lights.insert(std::make_pair(light_key, Light()));
Light &default_light = light->second;
default_light.type = Light::DIRECTIONAL;
default_light.color = Color4f(1, 1, 1, 1);
// new Node
this->scene_graph.printStatusMessage("Scene: no instance_light found creating a node with an instance");
this->scene_graph.insertNode(this->scene_graph.root,
"no_light_in_scene_default_node",
"no_light_in_scene_default_node",
"NONE");
// Read node transformations
Node ¤t_node = *this->scene_graph.all_nodes.find("no_light_in_scene_default_node");
current_node.transformations.push_back(Transformation());
Transformation &transform =
current_node.transformations.at(current_node.transformations.size() - 1);
transform.type = Transformation::Translate;
const Vector3 trans(-40.0, 40.0, 0.0);
transform.transform = Transform3::translation(trans);
// new InstanceLight
InstanceLight instance_light;
instance_light.abstract_light_ref = light->first;
current_node.instance_lights.push_back(instance_light);
this->scene_graph.light_nodes.push_back("no_light_in_scene_default_node");
}
if(!this->scene_graph.all_cameras.empty())
{
// Search for the first camera node
Node::NodeMap &all_nodes = this->scene_graph.all_nodes;
for(int n = 0; n < all_nodes.size(); ++n)
{
Node *node = all_nodes.getAtIndex(n);
if(node->instance_cameras.size() > 0)
{
this->scene_graph.active_camera_info = std::make_pair(node, &(node->instance_cameras[0]));
break;
}
}
}
else
{
this->scene_graph.printStatusMessage( "Scene: create a default camera and it is the first camera to use");
// new Camera
const Camera::CameraID camera_key =
{"no_camera_in_scene_default_camera", dom->getDocumentURI()->getURI()};
// Make the camera
bool inserted;
Camera::CameraList::iterator camera;
tie(camera, inserted) = this->scene_graph.all_cameras.insert(std::make_pair(camera_key, Camera()));
Camera &default_camera = camera->second;
default_camera.Xfov = 45.0f;
default_camera.Yfov = 45.0f;
this->scene_graph.printStatusMessage( "Scene: creating a node with an instance of default camera");
// new Node
this->scene_graph.insertNode(this->scene_graph.root,
"no_camera_in_scene_default_node",
"no_camera_in_scene_default_node",
"NONE");
// Read node transformations
Node ¤t_node = *this->scene_graph.all_nodes.find("no_camera_in_scene_default_node");
// Calculate approximate bounding box for the model
Vector3 max(0,0,0);
Vector3 min(0,0,0);
for(Geometry::GeometryList::const_iterator g = this->scene_graph.all_geometries.begin();
g != this->scene_graph.all_geometries.end(); ++g)
{
// Points are stored as x/y/z tripples within this array
for(Geometry::PointList::const_iterator p = g->second.points.begin();
p != g->second.points.end(); ++p)
{
// X
if(*p > max.getX())
max.setX(*p);
else if(*p < min.getX())
min.setX(*p);
// Y
++p;
if(*p > max.getY())
max.setY(*p);
else if(*p < min.getY())
min.setY(*p);
// Z
++p;
if(*p > max.getZ())
max.setZ(*p);
else if(*p < min.getZ())
min.setZ(*p);
}
}
default_camera.ZNear = 1.0f;
default_camera.ZFar = 1000.0f;
current_node.transformations.push_back(Transformation());
Transformation &transform =
current_node.transformations.at(current_node.transformations.size() - 1);
transform.type = Transformation::LookAt;
const Point3 eyePos(max.getX() * 0.5f, max.getY() * 0.5f, max.getZ() * 0.5f);
const Point3 lookAtPos(min.getX(), min.getY(), min.getZ());
Vector3 upVec;
upVec.setY(0);
if(this->up_axis == UPAXISTYPE_Z_UP)
{
upVec.setX(0);
upVec.setZ(1.0f);
}
else if(this->up_axis == UPAXISTYPE_X_UP)
{
upVec.setX(1.0f);
upVec.setZ(0);
}
// Store transformation
transform.matrix = inverse(Matrix4::lookAt(eyePos, lookAtPos, upVec));
current_node.local_matrix *= transform.matrix;
// new InstanceCamera
InstanceCamera instance_camera;
instance_camera.abstract_camera_ref = camera->first;
current_node.instance_cameras.push_back(instance_camera);
this->scene_graph.active_camera_info = std::make_pair(¤t_node,
&(current_node.instance_cameras.at(current_node.instance_cameras.size() - 1)));
}
this->scene_graph.printStatusMessage(std::string("COLLADA_DOM runtime database initialized from ") + file.filename().string());
}
