You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
#ifndef OPENMW_MWWORLD_CELLPRELOADER_H
|
|
#define OPENMW_MWWORLD_CELLPRELOADER_H
|
|
|
|
#include <map>
|
|
#include <osg/ref_ptr>
|
|
#include <osg/Vec3f>
|
|
#include <components/sceneutil/workqueue.hpp>
|
|
|
|
namespace Resource
|
|
{
|
|
class ResourceSystem;
|
|
class BulletShapeManager;
|
|
}
|
|
|
|
namespace Terrain
|
|
{
|
|
class World;
|
|
class View;
|
|
}
|
|
|
|
namespace SceneUtil
|
|
{
|
|
class UnrefQueue;
|
|
}
|
|
|
|
namespace MWRender
|
|
{
|
|
class LandManager;
|
|
}
|
|
|
|
namespace MWWorld
|
|
{
|
|
class CellStore;
|
|
|
|
class CellPreloader
|
|
{
|
|
public:
|
|
CellPreloader(Resource::ResourceSystem* resourceSystem, Resource::BulletShapeManager* bulletShapeManager, Terrain::World* terrain, MWRender::LandManager* landManager);
|
|
~CellPreloader();
|
|
|
|
/// Ask a background thread to preload rendering meshes and collision shapes for objects in this cell.
|
|
/// @note The cell itself must be in State_Loaded or State_Preloaded.
|
|
void preload(MWWorld::CellStore* cell, double timestamp);
|
|
|
|
void notifyLoaded(MWWorld::CellStore* cell);
|
|
|
|
void clear();
|
|
|
|
/// Removes preloaded cells that have not had a preload request for a while.
|
|
void updateCache(double timestamp);
|
|
|
|
/// How long to keep a preloaded cell in cache after it's no longer requested.
|
|
void setExpiryDelay(double expiryDelay);
|
|
|
|
/// The minimum number of preloaded cells before unused cells get thrown out.
|
|
void setMinCacheSize(unsigned int num);
|
|
|
|
/// The maximum number of preloaded cells.
|
|
void setMaxCacheSize(unsigned int num);
|
|
|
|
/// Enables the creation of instances in the preloading thread.
|
|
void setPreloadInstances(bool preload);
|
|
|
|
unsigned int getMaxCacheSize() const;
|
|
|
|
void setWorkQueue(osg::ref_ptr<SceneUtil::WorkQueue> workQueue);
|
|
|
|
void setUnrefQueue(SceneUtil::UnrefQueue* unrefQueue);
|
|
|
|
void setTerrainPreloadPositions(const std::vector<osg::Vec3f>& positions);
|
|
|
|
private:
|
|
Resource::ResourceSystem* mResourceSystem;
|
|
Resource::BulletShapeManager* mBulletShapeManager;
|
|
Terrain::World* mTerrain;
|
|
MWRender::LandManager* mLandManager;
|
|
osg::ref_ptr<SceneUtil::WorkQueue> mWorkQueue;
|
|
osg::ref_ptr<SceneUtil::UnrefQueue> mUnrefQueue;
|
|
double mExpiryDelay;
|
|
unsigned int mMinCacheSize;
|
|
unsigned int mMaxCacheSize;
|
|
bool mPreloadInstances;
|
|
|
|
double mLastResourceCacheUpdate;
|
|
|
|
struct PreloadEntry
|
|
{
|
|
PreloadEntry(double timestamp, osg::ref_ptr<SceneUtil::WorkItem> workItem)
|
|
: mTimeStamp(timestamp)
|
|
, mWorkItem(workItem)
|
|
{
|
|
}
|
|
PreloadEntry()
|
|
: mTimeStamp(0.0)
|
|
{
|
|
}
|
|
|
|
double mTimeStamp;
|
|
osg::ref_ptr<SceneUtil::WorkItem> mWorkItem;
|
|
};
|
|
typedef std::map<const MWWorld::CellStore*, PreloadEntry> PreloadMap;
|
|
|
|
// Cells that are currently being preloaded, or have already finished preloading
|
|
PreloadMap mPreloadCells;
|
|
|
|
std::vector<osg::ref_ptr<Terrain::View> > mTerrainViews;
|
|
std::vector<osg::Vec3f> mTerrainPreloadPositions;
|
|
osg::ref_ptr<SceneUtil::WorkItem> mTerrainPreloadItem;
|
|
osg::ref_ptr<SceneUtil::WorkItem> mUpdateCacheItem;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|