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#ifndef OPENMW_COMPONENTS_BULLETSHAPEMANAGER_H
#define OPENMW_COMPONENTS_BULLETSHAPEMANAGER_H
#include <osg/ref_ptr>
#include <components/vfs/pathutil.hpp>
#include "bulletshape.hpp"
#include "resourcemanager.hpp"
namespace Resource
{
class SceneManager;
class NifFileManager;
struct BulletShape;
class BulletShapeInstance;
class MultiObjectCache;
/// Handles loading, caching and "instancing" of bullet shapes.
/// A shape 'instance' is a clone of another shape, with the goal of setting a different scale on this instance.
/// @note May be used from any thread.
class BulletShapeManager : public ResourceManager
{
public:
BulletShapeManager(
const VFS::Manager* vfs, SceneManager* sceneMgr, NifFileManager* nifFileManager, double expiryDelay);
~BulletShapeManager();
/// @note May return a null pointer if the object has no shape.
osg::ref_ptr<const BulletShape> getShape(VFS::Path::NormalizedView name);
/// Create an instance of the given shape and cache it for later use, so that future calls to getInstance() can
/// simply return the cached instance instead of having to create a new one.
/// @note The returned ref_ptr may be kept by the caller to ensure that the instance stays in cache for as long
/// as needed.
osg::ref_ptr<BulletShapeInstance> cacheInstance(VFS::Path::NormalizedView name);
/// @note May return a null pointer if the object has no shape.
osg::ref_ptr<BulletShapeInstance> getInstance(VFS::Path::NormalizedView name);
/// @see ResourceManager::updateCache
void updateCache(double referenceTime) override;
void clearCache() override;
void reportStats(unsigned int frameNumber, osg::Stats* stats) const override;
private:
osg::ref_ptr<BulletShapeInstance> createInstance(VFS::Path::NormalizedView name);
osg::ref_ptr<MultiObjectCache> mInstanceCache;
SceneManager* mSceneManager;
NifFileManager* mNifFileManager;
};
}
#endif
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