--- /dev/null
+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant 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.
+
+GtkRadiant 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 GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <assert.h>
+#include "q3data.h"
+
+static void Load3DS( const char *filename, _3DS_t *p3DS, qboolean verbose );
+
+static qboolean s_verbose;
+
+#define MAX_MATERIALS 100
+#define MAX_NAMED_OBJECTS 100
+#define MAX_MESH_MATERIAL_GROUPS 100
+#define MAX_TRI_OBJECTS 512
+
+static char s_buffer[1000000];
+
+static int ReadString( FILE *fp, char *buffer )
+{
+ int i = 0;
+ int bytesRead = 0;
+
+ do
+ {
+ fread( &buffer[i], 1, sizeof( char ), fp );
+ bytesRead++;
+ } while ( buffer[i++] != 0 );
+ buffer[i] = 0;
+
+ return bytesRead;
+}
+
+static int ReadChunkAndLength( FILE *fp, short *chunk, long *len )
+{
+ if ( fread( chunk, sizeof( short ), 1, fp ) != 1 )
+ return 0;
+ if ( fread( len, sizeof( long ), 1, fp ) != 1 )
+ Error( "Unexpected EOF found" );
+ return 1;
+}
+
+static void LoadMapName( FILE *fp, char *buffer, int thisChunkLen )
+{
+ unsigned short chunkID;
+ long chunkLen;
+ long bytesRead = 0;
+
+ while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ {
+ switch ( chunkID )
+ {
+ case _3DS_CHUNK_MAT_MAPNAME:
+ fread( buffer, chunkLen - 6, 1, fp );
+ break;
+ default:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ break;
+ }
+ bytesRead += chunkLen;
+ if ( bytesRead >= thisChunkLen )
+ return;
+ }
+}
+
+static void LoadMaterialList( FILE *fp, long thisChunkLen, _3DSMaterial_t *pMat )
+{
+ long chunkLen;
+ unsigned short chunkID;
+ long bytesRead = 0;
+ _3DSMaterial_t mat;
+ char curdir[1024];
+ char buffer[2048];
+
+ memset( &mat, 0, sizeof( mat ) );
+
+ if ( s_verbose )
+ printf( " >>> MATERIAL LIST\n" );
+
+ while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ {
+ switch ( chunkID )
+ {
+ case _3DS_CHUNK_MAT_NAME:
+ fread( mat.name, chunkLen - 6, 1, fp );
+ if ( s_verbose )
+ printf( " found mat name '%s'\n", mat.name );
+ break;
+ case _3DS_CHUNK_TEXMAP:
+ LoadMapName( fp, mat.texture, chunkLen - 6 );
+ if ( s_verbose )
+ printf( " found texture '%s'\n", mat.texture );
+ break;
+ case _3DS_CHUNK_SPECMAP:
+ LoadMapName( fp, mat.specular, chunkLen - 6 );
+ if ( s_verbose )
+ printf( " found specular map '%s'\n", mat.specular );
+ break;
+ case _3DS_CHUNK_OPACMAP:
+ LoadMapName( fp, mat.opacity, chunkLen - 6 );
+ if ( s_verbose )
+ printf( " found opacity map '%s'\n", mat.opacity );
+ break;
+ case _3DS_CHUNK_REFLMAP:
+ LoadMapName( fp, mat.reflection, chunkLen - 6 );
+ if ( s_verbose )
+ printf( " found reflection map '%s'\n", mat.reflection );
+ break;
+ case _3DS_CHUNK_BUMPMAP:
+ LoadMapName( fp, mat.bump, chunkLen - 6 );
+ if ( s_verbose )
+ printf( " found bump map '%s'\n", mat.bump );
+ break;
+ default:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ break;
+ }
+
+ bytesRead += chunkLen;
+
+ if ( bytesRead >= thisChunkLen )
+ break;
+ }
+
+ Q_getwd( curdir );
+
+ if ( mat.texture[0] )
+ {
+ sprintf( buffer, "%s%s", curdir, mat.texture );
+ if ( strstr( buffer, gamedir + 1 ) )
+ strcpy( mat.texture, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
+ else
+ strcpy( mat.texture, buffer );
+ }
+
+ if ( mat.specular[0] )
+ {
+ sprintf( buffer, "%s%s", curdir, mat.specular );
+ if ( strstr( buffer, gamedir + 1 ) )
+ strcpy( mat.specular, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
+ else
+ strcpy( mat.specular, buffer );
+ }
+
+ if ( mat.bump[0] )
+ {
+ sprintf( buffer, "%s%s", curdir, mat.bump );
+ if ( strstr( buffer, gamedir + 1 ) )
+ strcpy( mat.bump, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
+ else
+ strcpy( mat.bump, buffer );
+ }
+
+ if ( mat.reflection[0] )
+ {
+ sprintf( buffer, "%s%s", curdir, mat.reflection );
+ if ( strstr( buffer, gamedir + 1 ) )
+ strcpy( mat.reflection, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
+ else
+ strcpy( mat.reflection, buffer );
+ }
+
+ if ( mat.opacity[0] )
+ {
+ sprintf( buffer, "%s%s", curdir, mat.opacity );
+ if ( strstr( buffer, gamedir + 1 ) )
+ strcpy( mat.opacity, strstr( buffer, gamedir + 1 ) + strlen( gamedir ) - 1 );
+ else
+ strcpy( mat.opacity, buffer );
+ }
+
+ *pMat = mat;
+}
+
+static void LoadMeshMaterialGroup( FILE *fp, long thisChunkLen, _3DSMeshMaterialGroup_t *pMMG )
+{
+ _3DSMeshMaterialGroup_t mmg;
+
+ memset( &mmg, 0, sizeof( mmg ) );
+
+ ReadString( fp, mmg.name );
+
+ fread( &mmg.numFaces, sizeof( mmg.numFaces ), 1, fp );
+ mmg.pFaces = malloc( sizeof( mmg.pFaces[0] ) * mmg.numFaces );
+ fread( mmg.pFaces, sizeof( mmg.pFaces[0] ), mmg.numFaces, fp );
+
+ if ( s_verbose )
+ {
+ printf( " >>> MESH MATERIAL GROUP '%s' (%d faces)\n", mmg.name, mmg.numFaces );
+
+ {
+ int i;
+
+ for ( i = 0; i < mmg.numFaces; i++ )
+ {
+ printf( " %d\n", mmg.pFaces[i] );
+ }
+ }
+ }
+
+ *pMMG = mmg;
+}
+
+static void LoadNamedTriObject( FILE *fp, long thisChunkLen, _3DSTriObject_t *pTO )
+{
+ long chunkLen;
+ unsigned short chunkID;
+ int i = 0;
+ long bytesRead = 0;
+ _3DSTriObject_t triObj;
+ _3DSMeshMaterialGroup_t meshMaterialGroups[MAX_MESH_MATERIAL_GROUPS];
+ int numMeshMaterialGroups = 0;
+
+ memset( &triObj, 0, sizeof( triObj ) );
+
+ if ( s_verbose )
+ printf( " >>> NAMED TRI OBJECT\n" );
+
+ while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ {
+ switch ( chunkID )
+ {
+ case _3DS_CHUNK_MSH_MAT_GROUP:
+ LoadMeshMaterialGroup( fp, chunkLen - 6, &meshMaterialGroups[numMeshMaterialGroups] );
+ bytesRead += chunkLen;
+ numMeshMaterialGroups++;
+ break;
+ case _3DS_CHUNK_FACE_ARRAY:
+ fread( &triObj.numFaces, sizeof( triObj.numFaces ), 1, fp );
+ assert( triObj.pFaces == 0 );
+
+ triObj.pFaces = malloc( sizeof( triObj.pFaces[0] ) * triObj.numFaces );
+ fread( triObj.pFaces, sizeof( triObj.pFaces[0] ), triObj.numFaces, fp );
+ bytesRead += sizeof( triObj.numFaces ) + triObj.numFaces * sizeof( triObj.pFaces[0] ) + 6;
+
+ if ( s_verbose )
+ {
+ printf( " found face array with %d faces\n", triObj.numFaces );
+ for ( i = 0; i < triObj.numFaces; i++ )
+ {
+ printf( " %d: %d,%d,%d\n", i, triObj.pFaces[i].a, triObj.pFaces[i].b, triObj.pFaces[i].c );
+ }
+ }
+
+ break;
+ case _3DS_CHUNK_POINT_ARRAY:
+ fread( &triObj.numPoints, sizeof( triObj.numPoints ), 1, fp );
+ triObj.pPoints = malloc( sizeof( triObj.pPoints[0] ) * triObj.numPoints );
+ fread( triObj.pPoints, sizeof( triObj.pPoints[0] ), triObj.numPoints, fp );
+ bytesRead += sizeof( triObj.numPoints ) + triObj.numPoints * sizeof( triObj.pPoints[0] ) + 6;
+
+ // flip points around into our coordinate system
+ for ( i = 0; i < triObj.numPoints; i++ )
+ {
+ float x, y, z;
+
+ x = triObj.pPoints[i].x;
+ y = triObj.pPoints[i].y;
+ z = triObj.pPoints[i].z;
+
+ triObj.pPoints[i].x = -y;
+ triObj.pPoints[i].y = x;
+ triObj.pPoints[i].z = z;
+ }
+
+ if ( s_verbose )
+ {
+ printf( " found point array with %d points\n", triObj.numPoints );
+ for ( i = 0; i < triObj.numPoints; i++ )
+ {
+ printf( " %d: %f,%f,%f\n", i, triObj.pPoints[i].x, triObj.pPoints[i].y, triObj.pPoints[i].z );
+ }
+ }
+ break;
+ case _3DS_CHUNK_TEX_VERTS:
+ fread( &triObj.numTexVerts, sizeof( triObj.numTexVerts ), 1, fp );
+ triObj.pTexVerts = malloc( sizeof( triObj.pTexVerts[0] ) * triObj.numTexVerts );
+ fread( triObj.pTexVerts, sizeof( triObj.pTexVerts[0] ), triObj.numTexVerts, fp );
+ bytesRead += sizeof( triObj.numTexVerts ) + sizeof( triObj.pTexVerts[0] ) * triObj.numTexVerts + 6;
+
+ if ( s_verbose )
+ {
+ printf( " found tex vert array with %d tex verts\n", triObj.numTexVerts );
+ for ( i = 0; i < triObj.numTexVerts; i++ )
+ {
+ printf( " %d: %f,%f\n", i, triObj.pTexVerts[i].s, triObj.pTexVerts[i].t );
+ }
+ }
+ break;
+ default:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ bytesRead += chunkLen;
+ break;
+ }
+
+ if ( bytesRead >= thisChunkLen )
+ break;
+ }
+ *pTO = triObj;
+
+ if ( numMeshMaterialGroups == 0 )
+ {
+ numMeshMaterialGroups = 1;
+ strcpy( meshMaterialGroups[0].name, "(null)" );
+ if ( pTO->numTexVerts ) {
+ printf( "Warning: assigning (null) skin to tri object\n" );
+ }
+ }
+ else
+ {
+ assert( pTO->numFaces == meshMaterialGroups[0].numFaces );
+ }
+
+ pTO->pMeshMaterialGroups = malloc( sizeof( _3DSMeshMaterialGroup_t ) * numMeshMaterialGroups );
+ memcpy( pTO->pMeshMaterialGroups, meshMaterialGroups, numMeshMaterialGroups * sizeof( meshMaterialGroups[0] ) );
+ pTO->numMeshMaterialGroups = numMeshMaterialGroups;
+
+ //
+ // sanity checks
+ //
+ assert( numMeshMaterialGroups <= 1 );
+}
+
+static void LoadNamedObject( FILE *fp, long thisChunkLen, _3DSNamedObject_t *pNO )
+{
+ long chunkLen;
+ unsigned short chunkID;
+ int i = 0;
+ long bytesRead = 0;
+ char name[100];
+ _3DSTriObject_t triObj[MAX_TRI_OBJECTS];
+ int numTriObjects = 0;
+
+ memset( triObj, 0, sizeof( triObj ) );
+
+ bytesRead += ReadString( fp, name );
+
+ if ( s_verbose )
+ printf( " >>> NAMED OBJECT '%s'\n", name );
+
+ while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ {
+ switch ( chunkID )
+ {
+ case _3DS_CHUNK_NAMED_TRI_OBJECT:
+ LoadNamedTriObject( fp, chunkLen - 6, &triObj[numTriObjects] );
+ numTriObjects++;
+ break;
+ default:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ break;
+ }
+
+ bytesRead += chunkLen;
+
+ if ( bytesRead >= thisChunkLen )
+ break;
+ }
+
+ strcpy( pNO->name, name );
+ pNO->pTriObjects = malloc( sizeof( _3DSTriObject_t ) * numTriObjects );
+ memcpy( pNO->pTriObjects, triObj, sizeof( triObj[0] ) * numTriObjects );
+ pNO->numTriObjects = numTriObjects;
+
+ assert( numTriObjects <= 1 );
+}
+
+static void LoadEditChunk( FILE *fp, long thisChunkLen, _3DSEditChunk_t *pEC )
+{
+ unsigned short chunkID;
+ long chunkLen;
+ long bytesRead = 0;
+ _3DSEditChunk_t editChunk;
+
+ _3DSMaterial_t mat[MAX_MATERIALS];
+ _3DSNamedObject_t namedObjects[MAX_NAMED_OBJECTS];
+
+ int numMaterials = 0, numNamedObjects = 0;
+
+ memset( &editChunk, 0, sizeof( editChunk ) );
+
+ if ( s_verbose )
+ printf( ">>> EDIT CHUNK\n" );
+
+ while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ {
+ switch ( chunkID )
+ {
+ case _3DS_CHUNK_MAT_LIST:
+ LoadMaterialList( fp, chunkLen - 6, &mat[numMaterials] );
+ numMaterials++;
+ break;
+ case _3DS_CHUNK_NAMED_OBJECT:
+ LoadNamedObject( fp, chunkLen - 6, &namedObjects[numNamedObjects] );
+ if ( namedObjects[numNamedObjects].numTriObjects != 0 )
+ ++numNamedObjects;
+ break;
+ case _3DS_CHUNK_MESH_VERSION:
+ default:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ break;
+ }
+
+ bytesRead += chunkLen;
+
+ if ( bytesRead >= thisChunkLen )
+ break;
+ }
+
+ if ( numMaterials == 0 )
+ {
+ numMaterials = 1;
+ strcpy( mat[0].name, "(null)" );
+ printf( "Warning: no material definitions found\n" );
+ }
+
+ pEC->numNamedObjects = numNamedObjects;
+
+ pEC->pMaterials = malloc( sizeof( _3DSMaterial_t ) * numMaterials );
+ pEC->pNamedObjects = malloc( sizeof( _3DSNamedObject_t ) * numNamedObjects );
+
+ memcpy( pEC->pMaterials, mat, numMaterials * sizeof( mat[0] ) );
+ memcpy( pEC->pNamedObjects, namedObjects, numNamedObjects * sizeof( namedObjects[0] ) );
+}
+
+static void Load3DS( const char *filename, _3DS_t *p3DS, qboolean verbose )
+{
+ FILE *fp;
+ unsigned short chunkID;
+ long chunkLen;
+ _3DSEditChunk_t editChunk;
+
+ s_verbose = verbose;
+
+ if ( ( fp = fopen( filename, "rb" ) ) == 0 )
+ Error( "Unable to open '%s'", filename );
+
+ // read magic number
+ if ( ( fread( &chunkID, sizeof( short ), 1, fp ) != 1 ) ||
+ ( LittleShort( chunkID ) != _3DS_CHUNK_MAGIC ) )
+ {
+ Error( "Missing or incorrect magic number in '%s'", filename );
+ }
+ if ( fread( &chunkLen, sizeof( chunkLen ), 1, fp ) != 1 )
+ Error( "Unexpected EOF encountered in '%s'", filename );
+ // version number
+ if ( !ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ Error( "Missing version number in '%s'", filename );
+ if ( fread( s_buffer, chunkLen - 6, 1, fp ) != 1 )
+ Error( "Unexpected EOF encountered in '%s'", filename );
+
+ while ( ReadChunkAndLength( fp, &chunkID, &chunkLen ) )
+ {
+ switch ( chunkID )
+ {
+ case _3DS_CHUNK_EDIT:
+ LoadEditChunk( fp, chunkLen - 6, &editChunk );
+ break;
+ case _3DS_CHUNK_KEYFRAME_DATA:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ break;
+ default:
+ fread( s_buffer, chunkLen - 6, 1, fp );
+ break;
+ }
+ }
+
+ fclose( fp );
+
+ p3DS->editChunk = editChunk;
+}
+
+static void ComputeNormals( _3DSTriObject_t *pTO, triangle_t *pTris )
+{
+ vec3_t faceNormals[POLYSET_MAXTRIANGLES];
+ vec3_t vertexNormals[POLYSET_MAXTRIANGLES*3];
+ vec3_t side0, side1, facenormal;
+ int f, v;
+
+ memset( faceNormals, 0, sizeof( faceNormals ) );
+ memset( vertexNormals, 0, sizeof( vertexNormals ) );
+
+ //
+ // compute face normals
+ //
+ for ( f = 0; f < pTO->numFaces; f++ )
+ {
+ VectorSubtract( pTris[f].verts[0], pTris[f].verts[1], side0 );
+ VectorSubtract( pTris[f].verts[2], pTris[f].verts[1], side1 );
+
+ CrossProduct( side0, side1, facenormal );
+ VectorNormalize( facenormal, faceNormals[f] );
+ }
+
+ //
+ // sum vertex normals
+ //
+ for ( v = 0; v < pTO->numPoints; v++ )
+ {
+ for ( f = 0; f < pTO->numFaces; f++ )
+ {
+ if ( ( pTO->pFaces[f].a == v ) ||
+ ( pTO->pFaces[f].b == v ) ||
+ ( pTO->pFaces[f].c == v ) )
+ {
+ vertexNormals[v][0] += faceNormals[f][0];
+ vertexNormals[v][1] += faceNormals[f][1];
+ vertexNormals[v][2] += faceNormals[f][2];
+ }
+ }
+
+ VectorNormalize( vertexNormals[v], vertexNormals[v] );
+ }
+
+ //
+ // copy vertex normals into triangles
+ //
+ for ( f = 0; f < pTO->numFaces; f++ )
+ {
+ int i0 = pTO->pFaces[f].c;
+ int i1 = pTO->pFaces[f].b;
+ int i2 = pTO->pFaces[f].a;
+
+ VectorCopy( vertexNormals[i0], pTris[f].normals[0] );
+ VectorCopy( vertexNormals[i1], pTris[f].normals[1] );
+ VectorCopy( vertexNormals[i2], pTris[f].normals[2] );
+ }
+}
+
+/*
+** void _3DS_LoadPolysets
+*/
+void _3DS_LoadPolysets( const char *filename, polyset_t **ppPSET, int *numpsets, qboolean verbose )
+{
+ _3DS_t _3ds;
+ int numPolysets;
+ polyset_t *pPSET;
+ triangle_t *ptri, *triangles;
+ int i;
+
+ // load the 3DS
+ memset( &_3ds, 0, sizeof( _3ds ) );
+ Load3DS( filename, &_3ds, verbose );
+
+ // compute information
+ numPolysets = _3ds.editChunk.numNamedObjects;
+
+ // allocate memory
+ pPSET = calloc( 1, numPolysets * sizeof( polyset_t ) );
+ triangles = ptri = calloc( 1, POLYSET_MAXTRIANGLES * sizeof( triangle_t ) );
+
+ // copy the data over
+ for ( i = 0; i < numPolysets; i++ )
+ {
+ char matnamebuf[1024];
+ int j;
+ triangle_t *tri;
+ _3DSTriObject_t *pTO = &_3ds.editChunk.pNamedObjects[i].pTriObjects[0];
+
+ pPSET[i].triangles = ptri;
+ pPSET[i].numtriangles = pTO->numFaces;
+ strcpy( pPSET[i].name, _3ds.editChunk.pNamedObjects[i].name );
+
+ strcpy( matnamebuf, filename );
+ if ( strrchr( matnamebuf, '/' ) )
+ *( strrchr( matnamebuf, '/' ) + 1 )= 0;
+ strcat( matnamebuf, pTO->pMeshMaterialGroups[0].name );
+
+ if ( strstr( matnamebuf, gamedir ) )
+ strcpy( pPSET[i].materialname, strstr( matnamebuf, gamedir ) + strlen( gamedir ) );
+ else
+ strcpy( pPSET[i].materialname, pTO->pMeshMaterialGroups[0].name );
+
+ assert( pPSET[i].numtriangles < POLYSET_MAXTRIANGLES );
+
+ for ( tri = ptri, j = 0; j < pPSET[i].numtriangles; j++ )
+ {
+ int i0 = pTO->pFaces[j].c;
+ int i1 = pTO->pFaces[j].b;
+ int i2 = pTO->pFaces[j].a;
+
+ tri->verts[0][0] = pTO->pPoints[i0].x;
+ tri->verts[0][1] = pTO->pPoints[i0].y;
+ tri->verts[0][2] = pTO->pPoints[i0].z;
+
+ tri->verts[1][0] = pTO->pPoints[i1].x;
+ tri->verts[1][1] = pTO->pPoints[i1].y;
+ tri->verts[1][2] = pTO->pPoints[i1].z;
+
+ tri->verts[2][0] = pTO->pPoints[i2].x;
+ tri->verts[2][1] = pTO->pPoints[i2].y;
+ tri->verts[2][2] = pTO->pPoints[i2].z;
+/*
+ for ( k = 0; k < 3; k++ )
+ {
+ tri->colors[0][k] = 1;
+ tri->colors[1][k] = 1;
+ tri->colors[2][k] = 1;
+ }
+*/
+
+ if ( pTO->pTexVerts )
+ {
+ tri->texcoords[0][0] = pTO->pTexVerts[i0].s;
+ tri->texcoords[0][1] = 1.0f - pTO->pTexVerts[i0].t;
+ tri->texcoords[1][0] = pTO->pTexVerts[i1].s;
+ tri->texcoords[1][1] = 1.0f - pTO->pTexVerts[i1].t;
+ tri->texcoords[2][0] = pTO->pTexVerts[i2].s;
+ tri->texcoords[2][1] = 1.0f - pTO->pTexVerts[i2].t;
+ }
+
+ tri++;
+ }
+
+ ptri += pPSET[i].numtriangles;
+ assert( ptri - triangles < POLYSET_MAXTRIANGLES );
+ }
+
+ // compute normal data
+#if 0
+ for ( i = 0; i < numPolysets; i++ )
+ {
+ // unique vertices based solely on vertex position
+ ComputeNormals( &_3ds.editChunk.pNamedObjects[i].pTriObjects[0],
+ pPSET[i].triangles );
+ }
+#endif
+
+ free( _3ds.editChunk.pMaterials );
+ free( _3ds.editChunk.pNamedObjects );
+
+ *ppPSET = pPSET;
+ *numpsets = numPolysets;
+}