polyvox/include/PolyVoxSceneManager.h
2007-08-19 16:15:56 +00:00

128 lines
4.4 KiB
C++

/******************************************************************************
This file is part of a voxel plugin for OGRE
Copyright (C) 2006 David Williams
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#ifndef __PolyVoxSceneManager_H__
#define __PolyVoxSceneManager_H__
#include "OgrePrerequisites.h"
#include "OgreSceneManager.h"
#include "Constants.h"
#include "MaterialMap.h"
#include "SurfacePatchRenderable.h"
#include "SurfaceTriangle.h"
#include "TypeDef.h"
#include "Volume.h"
#include "SurfaceVertex.h"
#include <set>
namespace Ogre
{
enum NormalGenerationMethod
{
SIMPLE,
CENTRAL_DIFFERENCE,
SOBEL
};
/// Factory for default scene manager
class VOXEL_SCENE_MANAGER_API PolyVoxSceneManagerFactory : public SceneManagerFactory
{
public:
/// Factory type name
static const String FACTORY_TYPE_NAME;
SceneManager* createInstance(const String& instanceName);
void destroyInstance(SceneManager* instance);
protected:
void initMetaData(void) const;
};
/// Voxel scene manager
class VOXEL_SCENE_MANAGER_API PolyVoxSceneManager : public SceneManager
{
public:
//Constructors, etc
PolyVoxSceneManager(const String& name);
~PolyVoxSceneManager();
//Getters
uchar getMaterialIndexAt(uint uX, uint uY, uint uZ);
const String& getTypeName(void) const;
uint getSideLength(void);
//Setters
//void setMaterialNameForIndex(uchar uIndex, std::string sMaterialName);
void setNormalGenerationMethod(NormalGenerationMethod method);
void _findVisibleObjects(Camera* cam, VisibleObjectsBoundsInfo * visibleBounds, bool onlyShadowCasters);
void setAllUpToDateFalse(void);
void createSphereAt(Vector3 centre, Real radius, uchar value, bool painting);
bool loadScene(const String& filename);
bool saveScene(const String& filename);
void generateLevelVolume(void);
void generateMeshDataForRegion(uint regionX, uint regionY, uint regionZ, std::vector< std::vector<SurfaceVertex> >& vertexData, std::vector< std::vector<SurfaceTriangle> >& indexData) const;
void mergeVertices6(std::vector< std::vector<SurfaceVertex> >& vertexData, std::vector< std::vector<SurfaceTriangle> >& indexData) const;
bool verticesArePlanar3(uint uCurrentVertex, std::set<uint> setConnectedVertices, std::vector<SurfaceVertex>& vertexData) const;
void doRegionGrowing(uint xStart, uint yStart, uint zStart, uchar value);
bool containsPoint(Vector3 pos, float boundary);
bool containsPoint(IntVector3 pos, uint boundary);
std::map<UIntVector3, SceneNode*> sceneNodes;
//std::map<uchar,ManualObject*> m_mapManualObjects[OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS];
bool surfaceUpToDate[OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS];
bool regionIsHomogenous[OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS];
std::map<uchar,SurfacePatchRenderable*> m_mapSurfaces[OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS][OGRE_VOLUME_SIDE_LENGTH_IN_REGIONS];
void igniteVoxel(UIntVector3 voxelToIgnite);
private:
void markVoxelChanged(uint x, uint y, uint z);
void markRegionChanged(uint firstX, uint firstY, uint firstZ, uint lastX, uint lastY, uint lastZ);
static uint fileNo;
bool useNormalSmoothing;
uint normalSmoothingFilterSize;
NormalGenerationMethod m_normalGenerationMethod;
VolumePtr volumeData;
MaterialMapPtr materialMap;
std::queue<UIntVector3> m_queueVoxelsToBurn;
bool m_bHaveGeneratedMeshes;
//std::string m_aMaterialNames[256];
};
}
#endif