c195c0df6b
-Added a new "add" and "instance" buttons for scene tree -Added a vformat() function to ease translation work
473 lines
11 KiB
C++
473 lines
11 KiB
C++
#include "navigation_polygon.h"
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#include "navigation2d.h"
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#include "triangulator.h"
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#include "core_string_names.h"
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void NavigationPolygon::set_vertices(const DVector<Vector2>& p_vertices) {
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vertices=p_vertices;
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}
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DVector<Vector2> NavigationPolygon::get_vertices() const{
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return vertices;
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}
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void NavigationPolygon::_set_polygons(const Array& p_array) {
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polygons.resize(p_array.size());
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for(int i=0;i<p_array.size();i++) {
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polygons[i].indices=p_array[i];
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}
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}
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Array NavigationPolygon::_get_polygons() const {
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Array ret;
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ret.resize(polygons.size());
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for(int i=0;i<ret.size();i++) {
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ret[i]=polygons[i].indices;
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}
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return ret;
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}
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void NavigationPolygon::_set_outlines(const Array& p_array) {
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outlines.resize(p_array.size());
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for(int i=0;i<p_array.size();i++) {
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outlines[i]=p_array[i];
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}
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}
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Array NavigationPolygon::_get_outlines() const {
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Array ret;
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ret.resize(outlines.size());
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for(int i=0;i<ret.size();i++) {
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ret[i]=outlines[i];
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}
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return ret;
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}
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void NavigationPolygon::add_polygon(const Vector<int>& p_polygon){
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Polygon polygon;
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polygon.indices=p_polygon;
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polygons.push_back(polygon);
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}
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void NavigationPolygon::add_outline_at_index(const DVector<Vector2>& p_outline,int p_index) {
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outlines.insert(p_index,p_outline);
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}
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int NavigationPolygon::get_polygon_count() const{
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return polygons.size();
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}
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Vector<int> NavigationPolygon::get_polygon(int p_idx){
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ERR_FAIL_INDEX_V(p_idx,polygons.size(),Vector<int>());
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return polygons[p_idx].indices;
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}
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void NavigationPolygon::clear_polygons(){
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polygons.clear();
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}
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void NavigationPolygon::add_outline(const DVector<Vector2>& p_outline) {
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outlines.push_back(p_outline);
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}
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int NavigationPolygon::get_outline_count() const{
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return outlines.size();
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}
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void NavigationPolygon::set_outline(int p_idx,const DVector<Vector2>& p_outline) {
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ERR_FAIL_INDEX(p_idx,outlines.size());
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outlines[p_idx]=p_outline;
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}
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void NavigationPolygon::remove_outline(int p_idx) {
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ERR_FAIL_INDEX(p_idx,outlines.size());
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outlines.remove(p_idx);
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}
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DVector<Vector2> NavigationPolygon::get_outline(int p_idx) const {
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ERR_FAIL_INDEX_V(p_idx,outlines.size(),DVector<Vector2>());
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return outlines[p_idx];
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}
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void NavigationPolygon::clear_outlines(){
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outlines.clear();;
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}
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void NavigationPolygon::make_polygons_from_outlines(){
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List<TriangulatorPoly> in_poly,out_poly;
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Vector2 outside_point(-1e10,-1e10);
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for(int i=0;i<outlines.size();i++) {
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DVector<Vector2> ol = outlines[i];
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int olsize = ol.size();
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if (olsize<3)
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continue;
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DVector<Vector2>::Read r=ol.read();
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for(int j=0;j<olsize;j++) {
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outside_point.x = MAX( r[j].x, outside_point.x );
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outside_point.y = MAX( r[j].y, outside_point.y );
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}
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}
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outside_point+=Vector2(0.7239784,0.819238); //avoid precision issues
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for(int i=0;i<outlines.size();i++) {
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DVector<Vector2> ol = outlines[i];
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int olsize = ol.size();
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if (olsize<3)
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continue;
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DVector<Vector2>::Read r=ol.read();
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int interscount=0;
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//test if this is an outer outline
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for(int k=0;k<outlines.size();k++) {
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if (i==k)
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continue; //no self intersect
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DVector<Vector2> ol2 = outlines[k];
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int olsize2 = ol2.size();
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if (olsize2<3)
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continue;
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DVector<Vector2>::Read r2=ol2.read();
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for(int l=0;l<olsize2;l++) {
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if (Geometry::segment_intersects_segment_2d(r[0],outside_point,r2[l],r2[(l+1)%olsize2],NULL)) {
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interscount++;
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}
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}
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}
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bool outer = (interscount%2)==0;
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TriangulatorPoly tp;
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tp.Init(olsize);
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for(int j=0;j<olsize;j++) {
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tp[j]=r[j];
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}
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if (outer)
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tp.SetOrientation(TRIANGULATOR_CCW);
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else {
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tp.SetOrientation(TRIANGULATOR_CW);
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tp.SetHole(true);
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}
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in_poly.push_back(tp);
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}
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TriangulatorPartition tpart;
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if (tpart.ConvexPartition_HM(&in_poly,&out_poly)==0) { //failed!
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print_line("convex partition failed!");
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return;
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}
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polygons.clear();
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vertices.resize(0);
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Map<Vector2,int> points;
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for(List<TriangulatorPoly>::Element*I = out_poly.front();I;I=I->next()) {
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TriangulatorPoly& tp = I->get();
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struct Polygon p;
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for(int i=0;i<tp.GetNumPoints();i++) {
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Map<Vector2,int>::Element *E=points.find(tp[i]);
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if (!E) {
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E=points.insert(tp[i],vertices.size());
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vertices.push_back(tp[i]);
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}
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p.indices.push_back(E->get());
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}
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polygons.push_back(p);
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}
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emit_signal(CoreStringNames::get_singleton()->changed);
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}
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void NavigationPolygon::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_vertices","vertices"),&NavigationPolygon::set_vertices);
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ObjectTypeDB::bind_method(_MD("get_vertices"),&NavigationPolygon::get_vertices);
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ObjectTypeDB::bind_method(_MD("add_polygon","polygon"),&NavigationPolygon::add_polygon);
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ObjectTypeDB::bind_method(_MD("get_polygon_count"),&NavigationPolygon::get_polygon_count);
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ObjectTypeDB::bind_method(_MD("get_polygon","idx"),&NavigationPolygon::get_polygon);
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ObjectTypeDB::bind_method(_MD("clear_polygons"),&NavigationPolygon::clear_polygons);
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ObjectTypeDB::bind_method(_MD("add_outline","outline"),&NavigationPolygon::add_outline);
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ObjectTypeDB::bind_method(_MD("add_outline_at_index","outline","index"),&NavigationPolygon::add_outline_at_index);
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ObjectTypeDB::bind_method(_MD("get_outline_count"),&NavigationPolygon::get_outline_count);
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ObjectTypeDB::bind_method(_MD("set_outline","idx","outline"),&NavigationPolygon::set_outline);
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ObjectTypeDB::bind_method(_MD("get_outline","idx"),&NavigationPolygon::get_outline);
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ObjectTypeDB::bind_method(_MD("remove_outline","idx"),&NavigationPolygon::remove_outline);
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ObjectTypeDB::bind_method(_MD("clear_outlines"),&NavigationPolygon::clear_outlines);
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ObjectTypeDB::bind_method(_MD("make_polygons_from_outlines"),&NavigationPolygon::make_polygons_from_outlines);
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ObjectTypeDB::bind_method(_MD("_set_polygons","polygons"),&NavigationPolygon::_set_polygons);
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ObjectTypeDB::bind_method(_MD("_get_polygons"),&NavigationPolygon::_get_polygons);
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ObjectTypeDB::bind_method(_MD("_set_outlines","outlines"),&NavigationPolygon::_set_outlines);
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ObjectTypeDB::bind_method(_MD("_get_outlines"),&NavigationPolygon::_get_outlines);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR3_ARRAY,"vertices",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("set_vertices"),_SCS("get_vertices"));
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ADD_PROPERTY(PropertyInfo(Variant::ARRAY,"polygons",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_polygons"),_SCS("_get_polygons"));
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ADD_PROPERTY(PropertyInfo(Variant::ARRAY,"outlines",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_outlines"),_SCS("_get_outlines"));
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}
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NavigationPolygon::NavigationPolygon() {
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}
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void NavigationPolygonInstance::set_enabled(bool p_enabled) {
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if (enabled==p_enabled)
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return;
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enabled=p_enabled;
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if (!is_inside_tree())
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return;
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if (!enabled) {
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if (nav_id!=-1) {
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navigation->navpoly_remove(nav_id);
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nav_id=-1;
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}
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} else {
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if (navigation) {
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if (navpoly.is_valid()) {
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nav_id = navigation->navpoly_create(navpoly,get_relative_transform_to_parent(navigation),this);
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}
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}
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}
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if (get_tree()->is_editor_hint() || get_tree()->is_debugging_navigation_hint())
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update();
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// update_gizmo();
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}
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bool NavigationPolygonInstance::is_enabled() const {
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return enabled;
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}
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/////////////////////////////
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void NavigationPolygonInstance::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_TREE: {
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Node2D *c=this;
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while(c) {
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navigation=c->cast_to<Navigation2D>();
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if (navigation) {
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if (enabled && navpoly.is_valid()) {
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nav_id = navigation->navpoly_create(navpoly,get_relative_transform_to_parent(navigation),this);
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}
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break;
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}
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c=c->get_parent()->cast_to<Node2D>();
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}
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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if (navigation && nav_id!=-1) {
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navigation->navpoly_set_transform(nav_id,get_relative_transform_to_parent(navigation));
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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if (navigation) {
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if (nav_id!=-1) {
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navigation->navpoly_remove(nav_id);
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nav_id=-1;
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}
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}
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navigation=NULL;
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} break;
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case NOTIFICATION_DRAW: {
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if (is_inside_tree() && (get_tree()->is_editor_hint() || get_tree()->is_debugging_navigation_hint()) && navpoly.is_valid()) {
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DVector<Vector2> verts=navpoly->get_vertices();
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int vsize = verts.size();
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if (vsize<3)
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return;
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Color color;
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if (enabled) {
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color=get_tree()->get_debug_navigation_color();
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} else {
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color=get_tree()->get_debug_navigation_disabled_color();
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}
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Vector<Color> colors;
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Vector<Vector2> vertices;
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vertices.resize(vsize);
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colors.resize(vsize);
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{
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DVector<Vector2>::Read vr = verts.read();
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for(int i=0;i<vsize;i++) {
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vertices[i]=vr[i];
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colors[i]=color;
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}
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}
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Vector<int> indices;
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for(int i=0;i<navpoly->get_polygon_count();i++) {
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Vector<int> polygon = navpoly->get_polygon(i);
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for(int j=2;j<polygon.size();j++) {
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int kofs[3]={0,j-1,j};
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for(int k=0;k<3;k++) {
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int idx = polygon[ kofs[k] ];
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ERR_FAIL_INDEX(idx,vsize);
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indices.push_back(idx);
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}
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}
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}
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VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(),indices,vertices,colors);
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}
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} break;
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}
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}
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void NavigationPolygonInstance::set_navigation_polygon(const Ref<NavigationPolygon>& p_navpoly) {
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if (p_navpoly==navpoly)
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return;
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if (navigation && nav_id!=-1) {
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navigation->navpoly_remove(nav_id);
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nav_id=-1;
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}
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if (navpoly.is_valid()) {
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navpoly->disconnect(CoreStringNames::get_singleton()->changed,this,"_navpoly_changed");
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}
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navpoly=p_navpoly;
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if (navpoly.is_valid()) {
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navpoly->connect(CoreStringNames::get_singleton()->changed,this,"_navpoly_changed");
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}
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if (navigation && navpoly.is_valid() && enabled) {
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nav_id = navigation->navpoly_create(navpoly,get_relative_transform_to_parent(navigation),this);
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}
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//update_gizmo();
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_change_notify("navpoly");
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update_configuration_warning();
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}
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Ref<NavigationPolygon> NavigationPolygonInstance::get_navigation_polygon() const{
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return navpoly;
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}
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void NavigationPolygonInstance::_navpoly_changed() {
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if (is_inside_tree() && (get_tree()->is_editor_hint() || get_tree()->is_debugging_navigation_hint()))
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update();
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}
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String NavigationPolygonInstance::get_configuration_warning() const {
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if (!is_visible() || !is_inside_tree())
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return String();
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if (!navpoly.is_valid()) {
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return TTR("A NavigationPolygon resource must be set or created for this node to work. Please set a property or draw a polygon.");
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}
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const Node2D *c=this;
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while(c) {
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if (c->cast_to<Navigation2D>()) {
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return String();
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}
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c=c->get_parent()->cast_to<Node2D>();
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}
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return TTR("NavigationPolygonInstance must be a child or grandchild to a Navigation2D node. It only provides navigation data.");
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}
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void NavigationPolygonInstance::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_navigation_polygon","navpoly:NavigationPolygon"),&NavigationPolygonInstance::set_navigation_polygon);
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ObjectTypeDB::bind_method(_MD("get_navigation_polygon:NavigationPolygon"),&NavigationPolygonInstance::get_navigation_polygon);
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ObjectTypeDB::bind_method(_MD("set_enabled","enabled"),&NavigationPolygonInstance::set_enabled);
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ObjectTypeDB::bind_method(_MD("is_enabled"),&NavigationPolygonInstance::is_enabled);
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ObjectTypeDB::bind_method(_MD("_navpoly_changed"),&NavigationPolygonInstance::_navpoly_changed);
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"navpoly",PROPERTY_HINT_RESOURCE_TYPE,"NavigationPolygon"),_SCS("set_navigation_polygon"),_SCS("get_navigation_polygon"));
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ADD_PROPERTY( PropertyInfo(Variant::BOOL,"enabled"),_SCS("set_enabled"),_SCS("is_enabled"));
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}
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NavigationPolygonInstance::NavigationPolygonInstance() {
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navigation=NULL;
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nav_id=-1;
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enabled=true;
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}
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