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Documentation                       Search   mrm_builder.h Go to the documentation of this file. /* Copyright, 2000 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL 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, or (at your option) * any later version. * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #ifndef NL_MRM_BUILDER_H #define NL_MRM_BUILDER_H #include "nel/misc/types_nl.h" #include "nel/misc/uv.h" #include "3d/mrm_mesh.h" #include "3d/mrm_internal.h" #include "3d/mrm_parameters.h" #include "3d/mesh.h" #include "3d/mesh_mrm.h" #include <map> namespace NL3D { // *************************************************************************** class CMRMBuilder { public: CMRMBuilder(); void compileMRM( const CMesh::CMeshBuild &mbuild, std::vector<CMesh::CMeshBuild*> &bsList, const CMRMParameters &params, CMeshMRMGeom::CMeshBuildMRM &mrmMesh, uint numMaxMaterial); // **************************** private: // Mesh Level Part. // @{ // The vertices of the MRMMesh. std::vector<CMRMVertex> TmpVertices; // The attributes of the MRMMesh. std::vector<CMRMAttribute> TmpAttributes[NL3D_MRM_MAX_ATTRIB]; // The number of used attributes of the MRMMesh. sint NumAttributes; // The faces of the MRMMesh. std::vector<CMRMFaceBuild> TmpFaces; // Ordered list of Edge collapse. TEdgeMap EdgeCollapses; // Say if the current build must compute skinning information. bool _Skinned; CMRMParameters::TSkinReduction _SkinReduction; // @} // @{ bool vertexHasOneWedge(sint numvertex); bool vertexHasOneMaterial(sint numvertex); bool vertexContinue(sint numvertex); bool vertexClosed(sint numvertex); float getDeltaFaceNormals(sint numvertex); // return a positive value of Sum(|DeltaNormals|) / NNormals. bool edgeContinue(const CMRMEdge &edge); bool edgeNearUniqueMatFace(const CMRMEdge &edge); float computeEdgeCost(const CMRMEdge &edge); // @} // @{ bool faceShareWedges(CMRMFaceBuild *face, sint attribId, sint numVertex1, sint numVertex2); void insertFaceIntoEdgeList(CMRMFaceBuild &tmpf); void removeFaceFromEdgeList(CMRMFaceBuild &f); sint collapseEdge(const CMRMEdge &edge); // return num of deleted faces. sint followVertex(sint i); sint followWedge(sint attribId, sint i); CMesh::CSkinWeight collapseSkinWeight(const CMesh::CSkinWeight &sw1, const CMesh::CSkinWeight &sw2, float InterValue) const; // @} // @{ void init(const CMRMMesh &baseMesh); void collapseEdges(sint nWantedFaces); void makeLODMesh(CMRMMeshGeom &lodMesh); void saveCoarserMesh(CMRMMesh &coarserMesh); void makeFromMesh(const CMRMMesh &baseMesh, CMRMMeshGeom &lodMesh, CMRMMesh &coarserMesh, sint nWantedFaces); // @} void computeBsVerticesAttributes(std::vector<CMRMMesh> &srcBsMeshs, std::vector<CMRMMesh> &srcBsMeshsMod); void makeCoarserBS (std::vector<CMRMBlendShape> &csBsMeshs); private: // MRM Level Part. // @{ // Our comparator of CMRMWedgeGeom. struct CGeomPred { bool operator()(const CMRMWedgeGeom &a, const CMRMWedgeGeom &b) const { if(a.Start!=b.Start) return a.Start<b.Start; return a.End<b.End; } }; // The map of geomorph. for one LOD only; typedef std::map<CMRMWedgeGeom, sint, CGeomPred> TGeomMap; TGeomMap _GeomMap; // @} // @{ void buildBlendShapes (CMRMMesh &baseMesh, std::vector<CMesh::CMeshBuild*> &bsList, uint32 VertexFlags); void buildAllLods( const CMRMMesh &baseMesh, std::vector<CMRMMeshGeom> &lodMeshs, uint nWantedLods= 10, uint divisor= 50 ); void buildFinalMRM(std::vector<CMRMMeshGeom> &lodMeshs, CMRMMeshFinal &finalMRM); // @} private: // Interface to MeshBuild Part. // @{ struct CAttributeKey { sint VertexId; CVectorH Attribute; bool operator<(const CAttributeKey &o) const { if(VertexId!=o.VertexId) return VertexId<o.VertexId; return Attribute<o.Attribute; } }; typedef std::map<CAttributeKey, sint> TAttributeMap; TAttributeMap _AttributeMap[NL3D_MRM_MAX_ATTRIB]; sint findInsertAttributeInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, const CVectorH &att); sint findInsertNormalInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, const CVector &normal); sint findInsertColorInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, CRGBA col); sint findInsertUvwInBaseMesh(CMRMMesh &baseMesh, sint attId, sint vertexId, const NLMISC::CUVW &uvw); CRGBA attToColor(const CVectorH &att) const; NLMISC::CUVW attToUvw(const CVectorH &att) const; uint32 buildMrmBaseMesh(const CMesh::CMeshBuild &mbuild, CMRMMesh &baseMesh); void buildMeshBuildMrm(const CMRMMeshFinal &finalMRM, CMeshMRMGeom::CMeshBuildMRM &mbuild, uint32 vbFlags, uint32 nbMats, const CMesh::CMeshBuild &mb); void normalizeBaseMeshSkin(CMRMMesh &baseMesh) const; CMesh::CSkinWeight normalizeSkinWeight(const CMesh::CSkinWeight &sw) const; // @} }; } // NL3D #endif // NL_MRM_BUILDER_H /* End of mrm_builder.h */