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#pragma once
#include "inode.h"
#include "imapformat.h"
#include "imapinfofile.h"
#include <map>
#include "EventRateLimiter.h"
namespace map
{
/**
* A default map import filter/handler. An instance of this class
* is required to get a valid IMapReader from the MapFormat module.
*
* During map parsing the methods addEntity/addPrimitiveToEntity are called
* by the parser module to insert the newly created nodes into the scene.
*
* This IMapImportFilter implementation will be sending messages across
* the wire for the UI to react to, displaying progress, etc.
*/
class MapImporter :
public IMapImportFilter
{
private:
scene::IMapRootNodePtr _root;
// The progress dialog text for the current entity
std::string _dlgEntityText;
// Event rate limiter for the progress dialog
EventRateLimiter _dialogEventLimiter;
// Current entity/primitive number for progress display
std::size_t _entityCount;
std::size_t _primitiveCount;
// The size of the input file, can be 0 for dummy progress bar
std::istream& _inputStream;
std::size_t _fileSize;
// Keep track of all the entities and primitives for later retrieval
NodeIndexMap _nodes;
public:
MapImporter(const scene::IMapRootNodePtr& root, std::istream& inputStream);
~MapImporter();
const scene::IMapRootNodePtr& getRootNode() const override;
bool addEntity(const scene::INodePtr& entityNode) override;
bool addPrimitiveToEntity(const scene::INodePtr& primitive, const scene::INodePtr& entity) override;
const NodeIndexMap& getNodeMap() const;
NodeIndexMap& getNodeMap();
private:
float getProgressFraction();
};
} // namespace
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