source: golgotha/src/max_plugin/sdk_inc/meshadj.h @ 80 Tweet

/**********************************************************************
 *<
        FILE: meshadj.h

        DESCRIPTION: Adjacency list for meshes.

        CREATED BY: Rolf Berteig

        HISTORY:

 *>     Copyright (c) 1994, All Rights Reserved.
 **********************************************************************/

#ifndef __MESHADJ__
#define __MESHADJ__

#include "export.h"

#define UNDEFINED       0xffffffff

class MEdge {
        public:
                DWORD f[2];
                DWORD v[2];             
        };

class AdjEdgeList {
        public:
                DWORDTab *list;         // 1 DWORDTab per vertex. The Tab is a list of indices into the edge list, 1 for each edge adjacent to the vertex
                Tab<MEdge> edges;       // Table of edges
                int nverts;                     // size of 'list'.

                DllExport AdjEdgeList(Mesh& amesh);
                DllExport ~AdjEdgeList();
                AdjEdgeList& operator=(AdjEdgeList& a) {assert(0);return *this;}
                DllExport void AddEdge( DWORD fi, DWORD v1, DWORD v2 );
                DWORDTab& operator[](int i) { return list[i]; }
                DllExport int FindEdge(DWORD v0, DWORD v1);
                DllExport int FindEdge(DWORDTab& vmap,DWORD v0, DWORD v1);              
                DllExport void TransferEdges(DWORD from,DWORD to,DWORD except1,DWORD except2,DWORD del);
                DllExport void RemoveEdge(DWORD from,DWORD e);
        };

class AdjFace {
        public:
                DWORD f[3];
                AdjFace() {f[0] = f[1] = f[2] = UNDEFINED;}
        };

class AdjFaceList {
        public:
                Tab<AdjFace> list;

                AdjFace& operator[](int i) {return list[i];}
                DllExport AdjFaceList(Mesh& mesh,AdjEdgeList& el);
        };

class FaceElementList {
        public:
                // For each face, which element is it in
                DWORDTab elem;
                DWORD count;
                DllExport FaceElementList(Mesh &mesh,AdjFaceList& af);
                DWORD operator[](int i) {return elem[i];}
        };

class FaceClusterList {
        public:
                // Cluster #, one for each face - non-selected faces have UNDEFINED for their id.
                DWORDTab clust;
                DWORD count;
        
                // This version separates cluster also using a minimum angle and optionally the selection set
                FaceClusterList(Mesh *mesh, AdjFaceList& adj,float angle,BOOL useSel=TRUE);             

                // Uses selection set
                FaceClusterList(BitArray& fsel, AdjFaceList& adj);              
                                
                DWORD operator[](int i) { return clust[i]; }            
        };

#endif //__MESHADJ__