98 lines
3 KiB
C++
98 lines
3 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef NL_PACKED_WORLD
|
|
#define NL_PACKED_WORLD
|
|
|
|
|
|
#include "nel/3d/packed_zone.h"
|
|
//
|
|
#include "nel/misc/array_2d.h"
|
|
#include "nel/misc/stream.h"
|
|
#include "nel/misc/triangle.h"
|
|
//
|
|
#include <vector>
|
|
|
|
|
|
|
|
namespace NLMISC
|
|
{
|
|
class CVector;
|
|
}
|
|
|
|
namespace NL3D
|
|
{
|
|
|
|
/** A set of packed zones
|
|
* Allows for world scale collision test with a packed format
|
|
*
|
|
* \author Nicolas Vizerie
|
|
* \author Nevrax France
|
|
* \date 2005
|
|
*/
|
|
class CPackedWorld
|
|
{
|
|
public:
|
|
// list of zones that goes into this packed world (used by incremental build to know if some
|
|
// zones need to be rebuilt)
|
|
std::vector<std::string> ZoneNames;
|
|
public:
|
|
// build world from a set of packed zones
|
|
void build(std::vector<TPackedZoneBaseSPtr> &packesZones);
|
|
bool raytrace(const NLMISC::CVector &start, const NLMISC::CVector &end, NLMISC::CVector &inter, std::vector<NLMISC::CTriangle> *testedTriangles = NULL, NLMISC::CVector *normal = NULL);
|
|
void getZones(std::vector<TPackedZoneBaseSPtr> &zones);
|
|
void serial(NLMISC::IStream &f) throw(NLMISC::EStream);
|
|
// just serialize the header, containing name of the zones this CPackedWorld was built from
|
|
void serialZoneNames(NLMISC::IStream &f) throw(NLMISC::EStream);
|
|
/** Roughly select triangles that are within a convex 2D polygon (world coordinates)
|
|
* Selection is not exact, because limited to the resolution of the grid into which is packed each zone.
|
|
* Triangle that are within are guaranteed to be selected, however.
|
|
*/
|
|
void select(const NLMISC::CPolygon2D &poly, std::vector<NLMISC::CTriangle> &selectedTriangles) const;
|
|
private:
|
|
class CZoneInfo
|
|
{
|
|
public:
|
|
TPackedZoneBaseSPtr Zone;
|
|
uint32 RaytraceCounter;
|
|
void serial(NLMISC::IStream &f) throw(NLMISC::EStream)
|
|
{
|
|
f.serialVersion(1);
|
|
CPackedZoneBase *pz = Zone;
|
|
f.serialPolyPtr(pz);
|
|
Zone = pz;
|
|
}
|
|
};
|
|
std::vector<CZoneInfo> _Zones;
|
|
class CZoneIndexList
|
|
{
|
|
public:
|
|
std::vector<uint32> IDs; // make a class from this vector just for serialization
|
|
void serial(NLMISC::IStream &f) throw(NLMISC::EStream)
|
|
{
|
|
f.serialCont(IDs);
|
|
}
|
|
};
|
|
NLMISC::CArray2D<CZoneIndexList> _ZoneGrid;
|
|
sint32 _ZoneMinX;
|
|
sint32 _ZoneMinY;
|
|
uint32 _RaytraceCounter;
|
|
};
|
|
|
|
} // NL3D
|
|
|
|
|
|
#endif
|