static void DrawPolyPolygonRaw(Draw& draw, const Point *vertices, int vertex_count,
const int *subpolygon_counts, int subpolygon_count_count,
bool is_inside, int outline_width, Color outline_color
)
{
#ifdef SYSTEMDRAW
SystemDraw *w = dynamic_cast<SystemDraw *>(&draw);
if(w) { SystemDraw& draw = *w;
#endif
draw.SetDrawPen(outline_width, outline_color);
ASSERT(sizeof(POINT) == sizeof(Point)); // modify algorithm when not
enum { MAX_POLY = 8000 };
if(subpolygon_count_count == 1 && vertex_count < MAX_POLY)
Polygon(draw, (const POINT *)vertices, vertex_count);
else if(vertex_count < MAX_POLY)
PolyPolygon(draw, (const POINT *)vertices, subpolygon_counts, subpolygon_count_count);
else {
if(is_inside) {
draw.SetDrawPen(PEN_NULL, Black);
Vector<Point> split_vertices;
Vector<int> split_counts;
#ifdef SYSTEMDRAW
SplitPolygon(vertices, vertex_count, subpolygon_counts, subpolygon_count_count,
split_vertices, split_counts, Size(9999, 9999));
#else
SplitPolygon(vertices, vertex_count, subpolygon_counts, subpolygon_count_count,
split_vertices, split_counts, draw.GetClip());
#endif
//!! todo: maxcount for splitpolygon
const Point *sv = split_vertices.Begin();
for(const int *sc = split_counts.Begin(), *se = split_counts.End(); sc < se; sc++) {
Polygon(draw, (const POINT *)sv, *sc);
sv += *sc;
}
}
if(outline_width != PEN_NULL) {
draw.DrawPolyPolyline(vertices, vertex_count, subpolygon_counts, subpolygon_count_count,
outline_width, outline_color, Null);
Buffer<Point> finish(2 * subpolygon_count_count);
Buffer<int> counts(subpolygon_count_count);
Fill(&counts[0], &counts[subpolygon_count_count], 2);
Point *d = finish;
const Point *p = vertices;
const int *c = subpolygon_counts, *e = c + subpolygon_count_count;
while(c < e)
{
*d++ = *p;
*d++ = (p += *c++)[-1];
}
draw.DrawPolyPolyline(finish, 2 * subpolygon_count_count,
counts, subpolygon_count_count, outline_width, outline_color, Null);
}
draw.SetDrawPen(outline_width, outline_color);
}
#ifdef SYSTEMDRAW
}
#endif
}
static void FillPolyPolygonRaw(GC gc, Drawable drawable, Rect clip, Point offset,
const Point *vertices, int vertex_count,
const int *subpolygon_counts, int subpolygon_count_count)
{
enum { MAX_VERTEX_COUNT = 10000 };
if(subpolygon_count_count == 1 && vertex_count <= MAX_VERTEX_COUNT) {
Buffer<XPoint> out_points(vertex_count);
const Point *in = vertices;
for(XPoint *out = out_points, *end = out + vertex_count; out < end; out++, in++)
{
out -> x = (short)(in -> x + offset.x);
out -> y = (short)(in -> y + offset.y);
}
XFillPolygon(Xdisplay, drawable, gc,
out_points, vertex_count, Nonconvex, CoordModeOrigin);
}
else {
Vector<Point> split_vertices;
ASSERT(sizeof(XPoint) <= sizeof(Point)); // modify algorithm when not
Vector<int> split_counts;
SplitPolygon(vertices, vertex_count, subpolygon_counts, subpolygon_count_count,
split_vertices, split_counts, clip);
const Point *sv = split_vertices.Begin();
XPoint *dv = reinterpret_cast<XPoint *>(split_vertices.Begin());
for(const int *sc = split_counts.Begin(), *se = split_counts.End(); sc < se; sc++) {
for(XPoint *db = dv, *de = dv + *sc; db < de; db++, sv++) {
db -> x = (short)(sv -> x + offset.x);
db -> y = (short)(sv -> y + offset.y);
}
XFillPolygon(Xdisplay, drawable, gc, dv, *sc, Nonconvex, CoordModeOrigin);
}
}
}
void DropPolygonRecursive( node_t *n, polygon_t *p )
{
if ( n->child[0] == -1 && n->child[1] == -1 )
{
fp_t area;
// leaf
area = PolygonArea( p );
// printf( " split: %f\n", area );
if ( area > g_best_area )
{
g_best_area = area;
g_best_leaf = n;
}
}
else
{
polygon_t *front;
polygon_t *back;
// node
SplitPolygon( p, n->norm, n->dist, &front, &back );
if ( front )
{
DropPolygonRecursive( &g_nodes[n->child[0]], front );
FreePolygon( front );
}
if ( back )
{
DropPolygonRecursive( &g_nodes[n->child[1]], back );
FreePolygon( back );
}
}
}
void ClipPolygonInPlace( polygon_t **inout, vec3d_t norm, fp_t dist )
{
polygon_t *front, *back;
SplitPolygon( *inout, norm, dist, &front, &back );
if ( front )
FreePolygon( front );
FreePolygon( *inout );
*inout = back;
}
void SplitPortal ( PORTAL* Portal, PLANE* Plane, PORTAL* FrontSplit, PORTAL* BackSplit )
{
// this function simply calls SplitPolygon, and is a convenient wrapper
// for the splitting of the POLYGON safe type castable portal type
SplitPolygon ( ( POLYGON* ) Portal, Plane, ( POLYGON* ) FrontSplit, ( POLYGON* ) BackSplit );
FrontSplit->NumberOfLeafs = Portal->NumberOfLeafs;
BackSplit->NumberOfLeafs = Portal->NumberOfLeafs;
memcpy ( FrontSplit->LeafOwnerArray, Portal->LeafOwnerArray, sizeof ( long ) * Portal->NumberOfLeafs );
memcpy ( BackSplit->LeafOwnerArray, Portal->LeafOwnerArray, sizeof ( long ) * Portal->NumberOfLeafs );
}
void
BSPTree::BuildTree(UniquePtr<BSPTreeNode>& aRoot,
std::deque<gfx::Polygon3D>& aPolygons)
{
if (aPolygons.empty()) {
return;
}
const gfx::Polygon3D& splittingPlane = aRoot->First();
std::deque<gfx::Polygon3D> backPolygons, frontPolygons;
for (gfx::Polygon3D& polygon : aPolygons) {
size_t pos = 0, neg = 0;
nsTArray<float> dots = CalculateDotProduct(splittingPlane, polygon,
pos, neg);
// Back polygon
if (pos == 0 && neg > 0) {
backPolygons.push_back(std::move(polygon));
}
// Front polygon
else if (pos > 0 && neg == 0) {
frontPolygons.push_back(std::move(polygon));
}
// Coplanar polygon
else if (pos == 0 && neg == 0) {
aRoot->polygons.push_back(std::move(polygon));
}
// Polygon intersects with the splitting plane.
else if (pos > 0 && neg > 0) {
nsTArray<gfx::Point3D> backPoints, frontPoints;
SplitPolygon(splittingPlane, polygon, dots, backPoints, frontPoints);
backPolygons.push_back(gfx::Polygon3D(std::move(backPoints)));
frontPolygons.push_back(gfx::Polygon3D(std::move(frontPoints)));
}
}
if (!backPolygons.empty()) {
aRoot->back.reset(new BSPTreeNode(PopFront(backPolygons)));
BuildTree(aRoot->back, backPolygons);
}
if (!frontPolygons.empty()) {
aRoot->front.reset(new BSPTreeNode(PopFront(frontPolygons)));
BuildTree(aRoot->front, frontPolygons);
}
}
// Please only call this on triangulated meshes.. that makes the rest of my coding easier
void SplitIntersecting(std::vector<pcs_polygon> &polygons, vector3d plane_point, vector3d plane_normal)
{
std::vector<pcs_polygon> newpolys;
unsigned int i;
for (i = 0; i < polygons.size(); i++)
{
if (Intersects(polygons[i], plane_point, plane_normal))
{
SplitPolygon(polygons, i, plane_point, plane_normal, newpolys);
}
}
// add new polygons
int in = polygons.size();
polygons.resize(in+newpolys.size());
for (i = 1; i < newpolys.size(); i++)
{
polygons[in+i] = newpolys[i];
}
}
/*
====================
Portal_SplitNode
====================
*/
void Portal_SplitNode( cnode_t *node )
{
cplane_t *pl;
portal_t *p, *pnext;
int side;
cnode_t *othernode;
portal_t *frontportal, *backportal;
polygon_t *front, *back;
pl = node->pl;
side = 0;
for ( p = node->portals; p ; p=pnext )
{
if ( p->nodes[0] == node )
side = 0;
else if ( p->nodes[1] == node )
side = 1;
else
Error( "Portal_SplitNode: can't find node in portal.\n" );
pnext = p->next[side];
othernode = p->nodes[!side];
RemovePortalFromNode( p, p->nodes[0] );
RemovePortalFromNode( p, p->nodes[1] );
SplitPolygon( p->p, pl->norm, pl->dist, &front, &back );
FreePolygon( p->p );
if ( !front && !back )
Error( "Portal_SplitNode: no front and back after split.\n" );
if ( !front )
{
// polygon is back
p->p = back;
if ( side ) // node was back of portal
AddPortalToNodes( p, othernode, node->child[1] );
else // node was front
AddPortalToNodes( p, node->child[1], othernode );
continue;
}
if ( !back )
{
// polygon is front
p->p = front;
if ( side ) // node was back of portal
AddPortalToNodes( p, othernode, node->child[0] );
else
AddPortalToNodes( p, node->child[0], othernode );
continue;
}
//
// portal got split
//
frontportal = p;
frontportal->p = front;
backportal = NewPortal();
memcpy( backportal, p, sizeof( portal_t ) );
backportal->p = back;
if ( side ) // node was back of portal
{
AddPortalToNodes( frontportal, othernode, node->child[0] );
AddPortalToNodes( backportal, othernode, node->child[1] );
}
else
{
AddPortalToNodes( frontportal, node->child[0], othernode );
AddPortalToNodes( backportal, node->child[1], othernode );
}
}
node->portals = NULL;
}
MagicDGP::LightMesh3D* PoissonReconstruction::SurfaceTrimmer(int argc , char* argv[], std::vector< PlyValueVertex< float > >& vertices, std::vector< std::vector< int > >& polygons)
{
cmdLineString In( "in" ) , Out( "out" );
cmdLineInt Smooth( "smooth" , 5 );
cmdLineFloat Trim( "trim" ) , IslandAreaRatio( "aRatio" , 0.001f );
cmdLineFloatArray< 2 > ColorRange( "color" );
cmdLineReadable PolygonMesh( "polygonMesh" );
cmdLineReadable* params[] =
{
&In , &Out , &Trim , &PolygonMesh , &ColorRange , &Smooth , &IslandAreaRatio
};
int paramNum = sizeof(params)/sizeof(cmdLineReadable*);
cmdLineParse( argc , argv, paramNum , params , 0 );
float min , max;
//std::vector< PlyValueVertex< float > > vertices;
//std::vector< std::vector< int > > polygons;
//int ft , commentNum = paramNum+2;
//char** comments;
//bool readFlags[ PlyValueVertex< float >::Components ];
//PlyReadPolygons( In.value , vertices , polygons , PlyValueVertex< float >::Properties , PlyValueVertex< float >::Components , ft , &comments , &commentNum , readFlags );
//if( !readFlags[3] ){ fprintf( stderr , "[ERROR] vertices do not have value flag\n" ) ; return EXIT_FAILURE; }
for( int i=0 ; i<Smooth.value ; i++ ) SmoothValues( vertices , polygons );
min = max = vertices[0].value;
for( size_t i=0 ; i<vertices.size() ; i++ ) min = std::min< float >( min , vertices[i].value ) , max = std::max< float >( max , vertices[i].value );
printf( "Value Range: [%f,%f]\n" , min , max );
if( Trim.set )
{
hash_map< long long , int > vertexTable;
std::vector< std::vector< int > > ltPolygons , gtPolygons;
std::vector< bool > ltFlags , gtFlags;
/*for( int i=0 ; i<paramNum+2 ; i++ ) comments[i+commentNum]=new char[1024];
sprintf( comments[commentNum++] , "Running Surface Trimmer (V5)" );
if( In.set ) sprintf(comments[commentNum++],"\t--%s %s" , In.name , In.value );
if( Out.set ) sprintf(comments[commentNum++],"\t--%s %s" , Out.name , Out.value );
if( Trim.set ) sprintf(comments[commentNum++],"\t--%s %f" , Trim.name , Trim.value );
if( Smooth.set ) sprintf(comments[commentNum++],"\t--%s %d" , Smooth.name , Smooth.value );
if( IslandAreaRatio.set ) sprintf(comments[commentNum++],"\t--%s %f" , IslandAreaRatio.name , IslandAreaRatio.value );
if( PolygonMesh.set ) sprintf(comments[commentNum++],"\t--%s" , PolygonMesh.name );*/
double t=Time();
for( size_t i=0 ; i<polygons.size() ; i++ ) SplitPolygon( polygons[i] , vertices , <Polygons , >Polygons , <Flags , >Flags , vertexTable , Trim.value );
if( IslandAreaRatio.value>0 )
{
std::vector< std::vector< int > > _ltPolygons , _gtPolygons;
std::vector< std::vector< int > > ltComponents , gtComponents;
SetConnectedComponents( ltPolygons , ltComponents );
SetConnectedComponents( gtPolygons , gtComponents );
std::vector< double > ltAreas( ltComponents.size() , 0. ) , gtAreas( gtComponents.size() , 0. );
std::vector< bool > ltComponentFlags( ltComponents.size() , false ) , gtComponentFlags( gtComponents.size() , false );
double area = 0.;
for( size_t i=0 ; i<ltComponents.size() ; i++ )
{
for( size_t j=0 ; j<ltComponents[i].size() ; j++ )
{
ltAreas[i] += PolygonArea( vertices , ltPolygons[ ltComponents[i][j] ] );
ltComponentFlags[i] = ( ltComponentFlags[i] || ltFlags[ ltComponents[i][j] ] );
}
area += ltAreas[i];
}
for( size_t i=0 ; i<gtComponents.size() ; i++ )
{
for( size_t j=0 ; j<gtComponents[i].size() ; j++ )
{
gtAreas[i] += PolygonArea( vertices , gtPolygons[ gtComponents[i][j] ] );
gtComponentFlags[i] = ( gtComponentFlags[i] || gtFlags[ gtComponents[i][j] ] );
}
area += gtAreas[i];
}
for( size_t i=0 ; i<ltComponents.size() ; i++ )
{
if( ltAreas[i]<area*IslandAreaRatio.value && ltComponentFlags[i] ) for( size_t j=0 ; j<ltComponents[i].size() ; j++ ) _gtPolygons.push_back( ltPolygons[ ltComponents[i][j] ] );
else for( size_t j=0 ; j<ltComponents[i].size() ; j++ ) _ltPolygons.push_back( ltPolygons[ ltComponents[i][j] ] );
}
for( size_t i=0 ; i<gtComponents.size() ; i++ )
{
if( gtAreas[i]<area*IslandAreaRatio.value && gtComponentFlags[i] ) for( size_t j=0 ; j<gtComponents[i].size() ; j++ ) _ltPolygons.push_back( gtPolygons[ gtComponents[i][j] ] );
else for( size_t j=0 ; j<gtComponents[i].size() ; j++ ) _gtPolygons.push_back( gtPolygons[ gtComponents[i][j] ] );
}
ltPolygons = _ltPolygons , gtPolygons = _gtPolygons;
}
if( !PolygonMesh.set )
{
{
std::vector< std::vector< int > > polys = ltPolygons;
Triangulate( vertices , ltPolygons , polys ) , ltPolygons = polys;
}
{
std::vector< std::vector< int > > polys = gtPolygons;
Triangulate( vertices , gtPolygons , polys ) , gtPolygons = polys;
}
}
RemoveHangingVertices( vertices , gtPolygons );
MagicDGP::LightMesh3D* pExportMesh = new MagicDGP::LightMesh3D;
for (int pIndex = 0; pIndex < vertices.size(); pIndex++)
{
PlyValueVertex< float > vert = vertices.at(pIndex);
MagicMath::Vector3 vertPos(vert.point[0], vert.point[1], vert.point[2]);
pExportMesh->InsertVertex(vertPos);
}
for (int pIndex = 0; pIndex < gtPolygons.size(); pIndex++)
{
MagicDGP::FaceIndex faceIdx;
for (int k = 0; k < 3; k++)
{
faceIdx.mIndex[k] = gtPolygons.at(pIndex).at(k);
}
pExportMesh->InsertFace(faceIdx);
}
pExportMesh->UpdateNormal();
return pExportMesh;
}
else
{
//if( ColorRange.set ) min = ColorRange.values[0] , max = ColorRange.values[1];
//std::vector< PlyColorVertex< float > > outVertices;
//ColorVertices( vertices , outVertices , min , max );
////if( Out.set ) PlyWritePolygons( Out.value , outVertices , polygons , PlyColorVertex< float >::Properties , PlyColorVertex< float >::Components , ft , comments , commentNum );
//if( Out.set ) PlyWritePolygons( Out.value , outVertices , polygons , PlyColorVertex< float >::Properties , PlyColorVertex< float >::Components , 1 , NULL , 0 );
}
return NULL;
}
u_list_t * ScanPolygon( polygon_t *poly, vec3d_t norm, fp_t dist, fp_t step )
{
fp_t max_d;
int i;
fp_t d;
polygon_t *remain;
u_list_t *frag_list;
// printf( "dist: %f, step: %f\n", dist,step );
// Vec3dPrint( norm );
// get max dist of poly towards the plane
max_d = -999999.9;
for ( i = 0; i < poly->pointnum; i++ )
{
d = Vec3dDotProduct( norm, poly->p[i] ) - dist;
if ( d > max_d )
max_d = d;
}
if ( max_d < 0.0 )
{
d = -ceil( (-max_d)/step ) * step;
}
else
{
d = ceil( (max_d)/step ) * step;
}
dist += d;
remain = CopyPolygon( poly );
frag_list = NEWTYPE( u_list_t );
U_InitList( frag_list );
for( ; remain ; )
{
polygon_t *front, *back;
// printf( "split dist: %f\n", dist );
SplitPolygon( remain, norm, dist, &front, &back );
if ( front )
{
scan_frag_t *frag;
frag = NEWTYPE( scan_frag_t );
frag->p = front;
frag->dist = dist;
U_ListInsertAtHead( frag_list, frag );
// printf( "hit!\n" );
}
dist -= step;
remain = back;
}
return frag_list;
}
void CSG_SplitBrush_new( cbspbrush_t *in, cplane_t *plane, cbspbrush_t **front, cbspbrush_t **back )
{
int i;
int exact;
polygon_t *splitpoly;
cbspbrush_t *b, *f;
*front = *back = NULL;
//
// split plane part of brush ?
//
exact = CSG_IsExactOnPlane( in, plane );
if ( exact == BRUSH_BACK_ON )
{
*back = CopyBrush( in );
return;
}
if ( exact == BRUSH_FRONT_ON )
{
*front = CopyBrush( in );
return;
}
//
// real check
//
splitpoly = BasePolygonForPlane( plane->norm, plane->dist );
for ( i = 0; i < in->surfacenum; i++ )
{
ClipPolygonInPlace( &splitpoly, in->surfaces[i].pl->norm, in->surfaces[i].pl->dist );
if ( !splitpoly )
break;
}
if ( !splitpoly )
{
// no splitpoly => brush is not split by plane
// determine on which side of plane is the complete brush
int check = -1;
for ( i = 0; i < in->surfacenum; i++ )
{
if ( !in->surfaces[i].p )
continue;
check = CheckPolygonWithPlane( in->surfaces[i].p, plane->norm, plane->dist );
if ( check == POLY_BACK )
break;
else if ( check == POLY_FRONT )
break;
else if ( check == POLY_ON )
continue;
printf( "?" );
}
if ( check == POLY_BACK )
{
*back = CopyBrush( in );
return;
}
else if ( check == POLY_FRONT )
{
*front = CopyBrush( in );
return;
}
else
{
printf( "can't get planeside of brush.\n" );
*front = NULL;
*back = NULL;
return;
}
}
//
// split input brush
//
f = NewBrush( in->surfacenum + 2 );
b = NewBrush( in->surfacenum + 2 );
f->surfacenum = b->surfacenum = 0;
f->original = in->original;
b->original = in->original;
f->contents = in->contents;
b->contents = in->contents;
for( i = 0; i < in->surfacenum; i++ )
{
polygon_t *fpoly, *bpoly;
SplitPolygon( in->surfaces[i].p, plane->norm, plane->dist, &fpoly, &bpoly );
if ( fpoly )
{
// add polygon to front brush and copy the rest
if ( f->surfacenum == in->surfacenum + 2 )
Error( "reached max surfs\n" );
memcpy( &f->surfaces[f->surfacenum], &in->surfaces[i], sizeof( csurface_t ) );
f->surfaces[f->surfacenum].p = fpoly;
f->surfacenum++;
}
if ( bpoly )
{
// add polygon to back brush and copy the rest
if ( b->surfacenum == in->surfacenum + 2 )
Error( "reached max surfs\n" );
memcpy( &b->surfaces[b->surfacenum], &in->surfaces[i], sizeof( csurface_t ) );
b->surfaces[b->surfacenum].p = bpoly;
b->surfacenum++;
}
}
//
// add split plane to front and back brush
//
// the backside brush gets the plane
if ( f->surfacenum == in->surfacenum + 2 )
Error( "reached max surfs\n" );
b->surfaces[b->surfacenum].pl = plane;
b->surfaces[b->surfacenum].td = NULL;
b->surfaces[b->surfacenum].state = SURFACE_STATE_BYSPLIT;
b->surfaces[b->surfacenum].contents = 0;
b->surfaces[b->surfacenum].p = splitpoly;
b->surfacenum++;
// the frontside brush gets the flipplane
if ( b->surfacenum == in->surfacenum + 2 )
Error( "reached max surfs\n" );
f->surfaces[f->surfacenum].pl = plane->flipplane;
f->surfaces[f->surfacenum].td = NULL;
f->surfaces[f->surfacenum].state = SURFACE_STATE_BYSPLIT;
f->surfaces[f->surfacenum].contents = 0;
f->surfaces[f->surfacenum].p = PolygonFlip( splitpoly );
f->surfacenum++;
if ( b->surfacenum < 4 )
{
printf( "no back %d\n", b->surfacenum );
FreeBrush( b );
b = NULL;
}
if ( f->surfacenum < 4 )
{
printf( "no front %d\n", f->surfacenum );
FreeBrush( f );
f = NULL;
}
if ( b )
CalcBrushBounds( b );
if ( f )
CalcBrushBounds( f );
*back = b;
*front = f;
}
int main( int argc , char* argv[] )
{
int paramNum = sizeof(params)/sizeof(cmdLineReadable*);
cmdLineParse( argc-1 , &argv[1] , paramNum , params , 0 );
#if FOR_RELEASE
if( !In.set || !Trim.set )
{
ShowUsage( argv[0] );
return EXIT_FAILURE;
}
#else // !FOR_RELEASE
if( !In.set )
{
ShowUsage( argv[0] );
return EXIT_FAILURE;
}
#endif // FOR_RELEASE
float min , max;
std::vector< PlyValueVertex< float > > vertices;
std::vector< std::vector< int > > polygons;
int ft , commentNum = paramNum+2;
char** comments;
bool readFlags[ PlyValueVertex< float >::Components ];
PlyReadPolygons( In.value , vertices , polygons , PlyValueVertex< float >::Properties , PlyValueVertex< float >::Components , ft , &comments , &commentNum , readFlags );
if( !readFlags[3] ){ fprintf( stderr , "[ERROR] vertices do not have value flag\n" ) ; return EXIT_FAILURE; }
#if 0
if( Trim.set ) for( int i=0 ; i<Smooth.value ; i++ ) SmoothValues( vertices , polygons , Trim.value-0.5f , Trim.value+0.5f );
else for( int i=0 ; i<Smooth.value ; i++ ) SmoothValues( vertices , polygons );
#else
for( int i=0 ; i<Smooth.value ; i++ ) SmoothValues( vertices , polygons );
#endif
min = max = vertices[0].value;
for( size_t i=0 ; i<vertices.size() ; i++ ) min = std::min< float >( min , vertices[i].value ) , max = std::max< float >( max , vertices[i].value );
printf( "Value Range: [%f,%f]\n" , min , max );
if( Trim.set )
{
hash_map< long long , int > vertexTable;
std::vector< std::vector< int > > ltPolygons , gtPolygons;
std::vector< bool > ltFlags , gtFlags;
for( int i=0 ; i<paramNum+2 ; i++ ) comments[i+commentNum]=new char[1024];
sprintf( comments[commentNum++] , "Running Surface Trimmer (V5)" );
if( In.set ) sprintf(comments[commentNum++],"\t--%s %s" , In.name , In.value );
if( Out.set ) sprintf(comments[commentNum++],"\t--%s %s" , Out.name , Out.value );
if( Trim.set ) sprintf(comments[commentNum++],"\t--%s %f" , Trim.name , Trim.value );
if( Smooth.set ) sprintf(comments[commentNum++],"\t--%s %d" , Smooth.name , Smooth.value );
if( IslandAreaRatio.set ) sprintf(comments[commentNum++],"\t--%s %f" , IslandAreaRatio.name , IslandAreaRatio.value );
if( PolygonMesh.set ) sprintf(comments[commentNum++],"\t--%s" , PolygonMesh.name );
double t=Time();
for( size_t i=0 ; i<polygons.size() ; i++ ) SplitPolygon( polygons[i] , vertices , <Polygons , >Polygons , <Flags , >Flags , vertexTable , Trim.value );
if( IslandAreaRatio.value>0 )
{
std::vector< std::vector< int > > _ltPolygons , _gtPolygons;
std::vector< std::vector< int > > ltComponents , gtComponents;
SetConnectedComponents( ltPolygons , ltComponents );
SetConnectedComponents( gtPolygons , gtComponents );
std::vector< double > ltAreas( ltComponents.size() , 0. ) , gtAreas( gtComponents.size() , 0. );
std::vector< bool > ltComponentFlags( ltComponents.size() , false ) , gtComponentFlags( gtComponents.size() , false );
double area = 0.;
for( size_t i=0 ; i<ltComponents.size() ; i++ )
{
for( size_t j=0 ; j<ltComponents[i].size() ; j++ )
{
ltAreas[i] += PolygonArea( vertices , ltPolygons[ ltComponents[i][j] ] );
ltComponentFlags[i] = ( ltComponentFlags[i] || ltFlags[ ltComponents[i][j] ] );
}
area += ltAreas[i];
}
for( size_t i=0 ; i<gtComponents.size() ; i++ )
{
for( size_t j=0 ; j<gtComponents[i].size() ; j++ )
{
gtAreas[i] += PolygonArea( vertices , gtPolygons[ gtComponents[i][j] ] );
gtComponentFlags[i] = ( gtComponentFlags[i] || gtFlags[ gtComponents[i][j] ] );
}
area += gtAreas[i];
}
for( size_t i=0 ; i<ltComponents.size() ; i++ )
{
if( ltAreas[i]<area*IslandAreaRatio.value && ltComponentFlags[i] ) for( size_t j=0 ; j<ltComponents[i].size() ; j++ ) _gtPolygons.push_back( ltPolygons[ ltComponents[i][j] ] );
else for( size_t j=0 ; j<ltComponents[i].size() ; j++ ) _ltPolygons.push_back( ltPolygons[ ltComponents[i][j] ] );
}
for( size_t i=0 ; i<gtComponents.size() ; i++ )
{
if( gtAreas[i]<area*IslandAreaRatio.value && gtComponentFlags[i] ) for( size_t j=0 ; j<gtComponents[i].size() ; j++ ) _ltPolygons.push_back( gtPolygons[ gtComponents[i][j] ] );
else for( size_t j=0 ; j<gtComponents[i].size() ; j++ ) _gtPolygons.push_back( gtPolygons[ gtComponents[i][j] ] );
}
ltPolygons = _ltPolygons , gtPolygons = _gtPolygons;
}
if( !PolygonMesh.set )
{
{
std::vector< std::vector< int > > polys = ltPolygons;
Triangulate( vertices , ltPolygons , polys ) , ltPolygons = polys;
}
{
std::vector< std::vector< int > > polys = gtPolygons;
Triangulate( vertices , gtPolygons , polys ) , gtPolygons = polys;
}
}
RemoveHangingVertices( vertices , gtPolygons );
sprintf( comments[commentNum++] , "#Trimmed In: %9.1f (s)" , Time()-t );
if( Out.set ) PlyWritePolygons( Out.value , vertices , gtPolygons , PlyValueVertex< float >::Properties , PlyValueVertex< float >::Components , ft , comments , commentNum );
}
else
{
if( ColorRange.set ) min = ColorRange.values[0] , max = ColorRange.values[1];
std::vector< PlyColorVertex< float > > outVertices;
ColorVertices( vertices , outVertices , min , max );
if( Out.set ) PlyWritePolygons( Out.value , outVertices , polygons , PlyColorVertex< float >::Properties , PlyColorVertex< float >::Components , ft , comments , commentNum );
}
return EXIT_SUCCESS;
}
/*
=============
R_AddShadowCaster
Polygons must be added in front to back order!
=============
*/
svnode_t *R_AddShadowCaster(svnode_t *node, vec3_t *v, int vnum, msurface_t *surf,int depth) {
int sign;
int signs[MAX_POLY_VERT],signs2[MAX_POLY_VERT];
vec3_t v1[MAX_POLY_VERT],v2[MAX_POLY_VERT];
int vnum1,vnum2;
int i;
if (depth > 1500) {
Con_Printf("to deep\n");
return NULL;
}
if (vnum == 0) return NULL;
sign = 0;
for (i=0; i<vnum; i++) {
sign |= signs[i] = Epsilon_Sign (DotProduct (v[i], node->splitplane->normal)- node->splitplane->dist);
}
if (sign == 1) {
if (node->children[0] != NULL) {
R_AddShadowCaster (node->children[0], v, vnum, surf, depth+1);
} else {
svBsp_NumCutPolys++;
}
} else if (sign == 2) {
if (node->children[1] != NULL) {
R_AddShadowCaster (node->children[1], v, vnum, surf, depth+1);
} else {
node->children[1] = ExpandVolume(v, signs, vnum, surf);
if (surf->visframe != r_lightTimestamp) {
//Store it out as visible
surf->shadowchain = shadowchain;
surf->visframe = r_lightTimestamp;
surf->polys->lightTimestamp = r_lightTimestamp;
shadowchain = surf;
svBsp_NumKeptPolys++;
}
}
} else if (sign == 3) {
SplitPolygon(&v[0], &signs[0], vnum, node->splitplane, &v1[0], &vnum1, &v2[0], &vnum2);
if (node->children[0] != NULL) {
R_AddShadowCaster (node->children[0], v1, vnum1, surf, depth+1);
} else {
svBsp_NumCutPolys++;
}
if (vnum2 == 0) return NULL;
if (node->children[1] != NULL) {
R_AddShadowCaster (node->children[1], v2, vnum2, surf, depth+1);
} else {
node->children[1] = ExpandVolume (v2, signs2, vnum2, surf);
if (surf->visframe != r_lightTimestamp) {
//Store it out as visible
surf->shadowchain = shadowchain;
surf->visframe = r_lightTimestamp;
surf->polys->lightTimestamp = r_lightTimestamp;
shadowchain = surf;
svBsp_NumKeptPolys++;
}
}
}
return NULL;
}
