khanat-opennel-code/code/nel/include/nel/3d/shifted_triangle_cache.h

77 lines
2 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_SHIFTED_TRIANGLE_CACHE_H
#define NL_SHIFTED_TRIANGLE_CACHE_H
#include "nel/misc/types_nl.h"
#include "nel/misc/object_vector.h"
#include "nel/3d/index_buffer.h"
namespace NL3D
{
// ***************************************************************************
/**
* This is a cache of indices which are the copy of CMesh/CMeshMRM indices, but shifted according to a value.
* This is useful for skinning.
* \author Lionel Berenguier
* \author Nevrax France
* \date 2002
*/
class CShiftedTriangleCache
{
public:
struct CRdrPass
{
/// Point to CShiftedTriangleCache::Triangles
uint32 Triangles;
uint32 NumTriangles;
};
public:
/// The Raw triangles array
CIndexBuffer RawIndices;
/// List of triangles, per rdrPass
NLMISC::CObjectVector<CRdrPass, false> RdrPass;
/// What MRM lod this cache represent. -1 if NULL
sint LodId;
/// To see if same Data than in the CMeshMRMGeom
uint MeshDataId;
/// the shift value used to compute this indices.
uint BaseVertex;
// free up the memory
void clearArrays();
// ctor
CShiftedTriangleCache()
{
NL_SET_IB_NAME(RawIndices, "CShiftedTriangleCache");
}
};
} // NL3D
#endif // NL_SHIFTED_TRIANGLE_CACHE_H
/* End of shifted_triangle_cache.h */