OpenMW/apps/openmw/mwrender/objects.hpp

#ifndef _GAME_RENDER_OBJECTS_H
#define _GAME_RENDER_OBJECTS_H

#include <OgreColourValue.h>

#include <openengine/ogre/renderer.hpp>

namespace MWWorld
{
    class Ptr;
    class CellStore;
}

namespace MWRender{

/// information about light needed for rendering
enum LightType
{
    // These are all mutually exclusive
    LT_Normal=0,
    LT_Flicker=1,
    LT_FlickerSlow=2,
    LT_Pulse=3,
    LT_PulseSlow=4
};

struct LightInfo
{
    // Constants
    std::string name; // ogre handle
    Ogre::ColourValue colour;
    float radius;
    bool interior; // Does this light belong to an interior or exterior cell
    LightType type;

    // Runtime variables
	float flickerVariation; // 25% flicker variation, reset once every 0.5 seconds
	float flickerSlowVariation; // 25% flicker variation, reset once every 1.0 seconds
	float resetTime;
    long double time;


    LightInfo() :
        flickerVariation(0), resetTime(0.5),
        flickerSlowVariation(0), time(0), interior(true),
        type(LT_Normal), radius(1.0)
    {
    }
};

class Objects{
    OEngine::Render::OgreRenderer &mRenderer;
    std::map<MWWorld::CellStore *, Ogre::SceneNode *> mCellSceneNodes;
    std::map<MWWorld::CellStore *, Ogre::StaticGeometry*> mStaticGeometry;
    std::map<MWWorld::CellStore *, Ogre::StaticGeometry*> mStaticGeometrySmall;
    std::map<MWWorld::CellStore *, Ogre::AxisAlignedBox> mBounds;
    std::vector<LightInfo> mLights;
    Ogre::SceneNode* mMwRoot;
    bool mIsStatic;
    static int uniqueID;

    static float lightLinearValue;
    static float lightLinearRadiusMult;

    static bool lightQuadratic;
    static float lightQuadraticValue;
    static float lightQuadraticRadiusMult;

    static bool lightOutQuadInLin;

    void clearSceneNode (Ogre::SceneNode *node);
    ///< Remove all movable objects from \a node.

public:
    Objects(OEngine::Render::OgreRenderer& renderer): mRenderer (renderer), mIsStatic(false) {}
    ~Objects(){}
    void insertBegin (const MWWorld::Ptr& ptr, bool enabled, bool static_);
    void insertMesh (const MWWorld::Ptr& ptr, const std::string& mesh);
    void insertLight (const MWWorld::Ptr& ptr, float r, float g, float b, float radius);

    void enableLights();
    void disableLights();

    void update (const float dt);
    ///< per-frame update

    Ogre::AxisAlignedBox getDimensions(MWWorld::CellStore*);
    ///< get a bounding box that encloses all objects in the specified cell

    bool deleteObject (const MWWorld::Ptr& ptr);
    ///< \return found?

    void removeCell(MWWorld::CellStore* store);
    void buildStaticGeometry(MWWorld::CellStore &cell);
    void setMwRoot(Ogre::SceneNode* root);

    void rebuildStaticGeometry();
};
}
#endif