source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgreTerrainContentGenerator.h @ 183

#ifndef _TERRAINCONTENTGENERATOR_H__
#define _TERRAINCONTENTGENERATOR_H__

#include "OgreSceneContentGenerator.h"

#define MAX_HEIGHT 5000 // maximal possible height for object position

namespace Ogre {

/** Class which executes a simple ray query.
*/
class __declspec(dllexport) RayQueryExecutor
{
public:
        RayQueryExecutor(SceneManager *sm);
        ~RayQueryExecutor();
        
        bool executeRayQuery(Vector3 *result, const Vector3 &pos, const Vector3 &dir);
        bool RayQueryExecutor::executeRayQuery( Vector3 *result, const Ray &ray);

protected:
        
        RaySceneQuery *mRaySceneQuery;
};

/** 
        This class used to fill a terrain with content, e.g., 
        it randomly fills a terrain with objects of a specific type.
*/
class __declspec(dllexport) TerrainContentGenerator: public SceneContentGenerator
{
public:
        TerrainContentGenerator(SceneManager *sm);
        ~TerrainContentGenerator();

        /** Generates objects and places it on the terrain.
        */
        SceneNode *GenerateSceneObject(const Vector3 &position, 
                const Vector3 &rotation, const String &objName);
        /** Generates objects and optionally places it on the terrain.
                @param clampToTerrain if true, scene object is clamped to the terrain
        */
        SceneNode *GenerateSceneObject(const Vector3 &position, 
                const Vector3 &rotation, const String &objName, const bool clampToTerrain);
        
        /** The offset is added to objects when they are put into the terrain.
        */
        void SetOffset(Real offset);

protected:
        RayQueryExecutor *mRayQueryExecutor;
        Real mOffset;
};

} // namespace Ogre
#endif // _TERRAINCONTENTGENERATOR_H