mirror of
https://github.com/godotengine/godot.git
synced 2024-11-27 09:16:35 +08:00
451 lines
11 KiB
C++
451 lines
11 KiB
C++
#include "navigation_polygon.h"
|
|
#include "navigation2d.h"
|
|
#include "triangulator.h"
|
|
#include "core_string_names.h"
|
|
|
|
void NavigationPolygon::set_vertices(const DVector<Vector2>& p_vertices) {
|
|
|
|
vertices=p_vertices;
|
|
}
|
|
|
|
DVector<Vector2> NavigationPolygon::get_vertices() const{
|
|
|
|
return vertices;
|
|
}
|
|
|
|
|
|
void NavigationPolygon::_set_polygons(const Array& p_array) {
|
|
|
|
polygons.resize(p_array.size());
|
|
for(int i=0;i<p_array.size();i++) {
|
|
polygons[i].indices=p_array[i];
|
|
}
|
|
}
|
|
|
|
Array NavigationPolygon::_get_polygons() const {
|
|
|
|
Array ret;
|
|
ret.resize(polygons.size());
|
|
for(int i=0;i<ret.size();i++) {
|
|
ret[i]=polygons[i].indices;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void NavigationPolygon::_set_outlines(const Array& p_array) {
|
|
|
|
outlines.resize(p_array.size());
|
|
for(int i=0;i<p_array.size();i++) {
|
|
outlines[i]=p_array[i];
|
|
}
|
|
}
|
|
|
|
Array NavigationPolygon::_get_outlines() const {
|
|
|
|
Array ret;
|
|
ret.resize(outlines.size());
|
|
for(int i=0;i<ret.size();i++) {
|
|
ret[i]=outlines[i];
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
void NavigationPolygon::add_polygon(const Vector<int>& p_polygon){
|
|
|
|
Polygon polygon;
|
|
polygon.indices=p_polygon;
|
|
polygons.push_back(polygon);
|
|
|
|
}
|
|
|
|
void NavigationPolygon::add_outline_at_index(const DVector<Vector2>& p_outline,int p_index) {
|
|
|
|
outlines.insert(p_index,p_outline);
|
|
}
|
|
|
|
int NavigationPolygon::get_polygon_count() const{
|
|
|
|
return polygons.size();
|
|
}
|
|
Vector<int> NavigationPolygon::get_polygon(int p_idx){
|
|
|
|
ERR_FAIL_INDEX_V(p_idx,polygons.size(),Vector<int>());
|
|
return polygons[p_idx].indices;
|
|
}
|
|
void NavigationPolygon::clear_polygons(){
|
|
|
|
polygons.clear();
|
|
}
|
|
|
|
void NavigationPolygon::add_outline(const DVector<Vector2>& p_outline) {
|
|
|
|
outlines.push_back(p_outline);
|
|
}
|
|
|
|
int NavigationPolygon::get_outline_count() const{
|
|
|
|
return outlines.size();
|
|
}
|
|
|
|
void NavigationPolygon::set_outline(int p_idx,const DVector<Vector2>& p_outline) {
|
|
ERR_FAIL_INDEX(p_idx,outlines.size());
|
|
outlines[p_idx]=p_outline;
|
|
}
|
|
|
|
void NavigationPolygon::remove_outline(int p_idx) {
|
|
|
|
ERR_FAIL_INDEX(p_idx,outlines.size());
|
|
outlines.remove(p_idx);
|
|
|
|
}
|
|
|
|
DVector<Vector2> NavigationPolygon::get_outline(int p_idx) const {
|
|
ERR_FAIL_INDEX_V(p_idx,outlines.size(),DVector<Vector2>());
|
|
return outlines[p_idx];
|
|
}
|
|
|
|
void NavigationPolygon::clear_outlines(){
|
|
|
|
outlines.clear();;
|
|
}
|
|
void NavigationPolygon::make_polygons_from_outlines(){
|
|
|
|
List<TriangulatorPoly> in_poly,out_poly;
|
|
|
|
Vector2 outside_point(-1e10,-1e10);
|
|
|
|
for(int i=0;i<outlines.size();i++) {
|
|
|
|
DVector<Vector2> ol = outlines[i];
|
|
int olsize = ol.size();
|
|
if (olsize<3)
|
|
continue;
|
|
DVector<Vector2>::Read r=ol.read();
|
|
for(int j=0;j<olsize;j++) {
|
|
outside_point.x = MAX( r[j].x, outside_point.x );
|
|
outside_point.y = MAX( r[j].y, outside_point.y );
|
|
}
|
|
|
|
}
|
|
|
|
outside_point+=Vector2(0.7239784,0.819238); //avoid precision issues
|
|
|
|
|
|
|
|
for(int i=0;i<outlines.size();i++) {
|
|
|
|
DVector<Vector2> ol = outlines[i];
|
|
int olsize = ol.size();
|
|
if (olsize<3)
|
|
continue;
|
|
DVector<Vector2>::Read r=ol.read();
|
|
|
|
int interscount=0;
|
|
//test if this is an outer outline
|
|
for(int k=0;k<outlines.size();k++) {
|
|
|
|
if (i==k)
|
|
continue; //no self intersect
|
|
|
|
DVector<Vector2> ol2 = outlines[k];
|
|
int olsize2 = ol2.size();
|
|
if (olsize2<3)
|
|
continue;
|
|
DVector<Vector2>::Read r2=ol2.read();
|
|
|
|
for(int l=0;l<olsize2;l++) {
|
|
|
|
if (Geometry::segment_intersects_segment_2d(r[0],outside_point,r2[l],r2[(l+1)%olsize2],NULL)) {
|
|
interscount++;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
bool outer = (interscount%2)==0;
|
|
|
|
TriangulatorPoly tp;
|
|
tp.Init(olsize);
|
|
for(int j=0;j<olsize;j++) {
|
|
tp[j]=r[j];
|
|
}
|
|
|
|
if (outer)
|
|
tp.SetOrientation(TRIANGULATOR_CCW);
|
|
else {
|
|
tp.SetOrientation(TRIANGULATOR_CW);
|
|
tp.SetHole(true);
|
|
}
|
|
|
|
in_poly.push_back(tp);
|
|
}
|
|
|
|
|
|
TriangulatorPartition tpart;
|
|
if (tpart.ConvexPartition_HM(&in_poly,&out_poly)==0) { //failed!
|
|
print_line("convex partition failed!");
|
|
return;
|
|
}
|
|
|
|
polygons.clear();
|
|
vertices.resize(0);
|
|
|
|
Map<Vector2,int> points;
|
|
for(List<TriangulatorPoly>::Element*I = out_poly.front();I;I=I->next()) {
|
|
|
|
TriangulatorPoly& tp = I->get();
|
|
|
|
struct Polygon p;
|
|
|
|
for(int i=0;i<tp.GetNumPoints();i++) {
|
|
|
|
Map<Vector2,int>::Element *E=points.find(tp[i]);
|
|
if (!E) {
|
|
E=points.insert(tp[i],vertices.size());
|
|
vertices.push_back(tp[i]);
|
|
}
|
|
p.indices.push_back(E->get());
|
|
}
|
|
|
|
polygons.push_back(p);
|
|
}
|
|
|
|
emit_signal(CoreStringNames::get_singleton()->changed);
|
|
}
|
|
|
|
|
|
void NavigationPolygon::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_vertices","vertices"),&NavigationPolygon::set_vertices);
|
|
ObjectTypeDB::bind_method(_MD("get_vertices"),&NavigationPolygon::get_vertices);
|
|
|
|
ObjectTypeDB::bind_method(_MD("add_polygon","polygon"),&NavigationPolygon::add_polygon);
|
|
ObjectTypeDB::bind_method(_MD("get_polygon_count"),&NavigationPolygon::get_polygon_count);
|
|
ObjectTypeDB::bind_method(_MD("get_polygon","idx"),&NavigationPolygon::get_polygon);
|
|
ObjectTypeDB::bind_method(_MD("clear_polygons"),&NavigationPolygon::clear_polygons);
|
|
|
|
ObjectTypeDB::bind_method(_MD("add_outline","outline"),&NavigationPolygon::add_outline);
|
|
ObjectTypeDB::bind_method(_MD("add_outline_at_index","outline","index"),&NavigationPolygon::add_outline_at_index);
|
|
ObjectTypeDB::bind_method(_MD("get_outline_count"),&NavigationPolygon::get_outline_count);
|
|
ObjectTypeDB::bind_method(_MD("set_outline","idx","outline"),&NavigationPolygon::set_outline);
|
|
ObjectTypeDB::bind_method(_MD("get_outline","idx"),&NavigationPolygon::get_outline);
|
|
ObjectTypeDB::bind_method(_MD("remove_outline","idx"),&NavigationPolygon::remove_outline);
|
|
ObjectTypeDB::bind_method(_MD("clear_outlines"),&NavigationPolygon::clear_outlines);
|
|
ObjectTypeDB::bind_method(_MD("make_polygons_from_outlines"),&NavigationPolygon::make_polygons_from_outlines);
|
|
|
|
ObjectTypeDB::bind_method(_MD("_set_polygons","polygons"),&NavigationPolygon::_set_polygons);
|
|
ObjectTypeDB::bind_method(_MD("_get_polygons"),&NavigationPolygon::_get_polygons);
|
|
|
|
ObjectTypeDB::bind_method(_MD("_set_outlines","outlines"),&NavigationPolygon::_set_outlines);
|
|
ObjectTypeDB::bind_method(_MD("_get_outlines"),&NavigationPolygon::_get_outlines);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3_ARRAY,"vertices",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("set_vertices"),_SCS("get_vertices"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::ARRAY,"polygons",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_polygons"),_SCS("_get_polygons"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::ARRAY,"outlines",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_outlines"),_SCS("_get_outlines"));
|
|
}
|
|
|
|
NavigationPolygon::NavigationPolygon() {
|
|
|
|
|
|
}
|
|
|
|
void NavigationPolygonInstance::set_enabled(bool p_enabled) {
|
|
|
|
if (enabled==p_enabled)
|
|
return;
|
|
enabled=p_enabled;
|
|
|
|
if (!is_inside_tree())
|
|
return;
|
|
|
|
if (!enabled) {
|
|
|
|
if (nav_id!=-1) {
|
|
navigation->navpoly_remove(nav_id);
|
|
nav_id=-1;
|
|
}
|
|
} else {
|
|
|
|
if (navigation) {
|
|
|
|
if (navpoly.is_valid()) {
|
|
|
|
nav_id = navigation->navpoly_create(navpoly,get_relative_transform(navigation),this);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if (get_tree()->is_editor_hint())
|
|
update();
|
|
|
|
// update_gizmo();
|
|
}
|
|
|
|
bool NavigationPolygonInstance::is_enabled() const {
|
|
|
|
|
|
return enabled;
|
|
}
|
|
|
|
|
|
/////////////////////////////
|
|
|
|
|
|
void NavigationPolygonInstance::_notification(int p_what) {
|
|
|
|
|
|
switch(p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
|
|
Node2D *c=this;
|
|
while(c) {
|
|
|
|
navigation=c->cast_to<Navigation2D>();
|
|
if (navigation) {
|
|
|
|
if (enabled && navpoly.is_valid()) {
|
|
|
|
nav_id = navigation->navpoly_create(navpoly,get_relative_transform(navigation),this);
|
|
}
|
|
break;
|
|
}
|
|
|
|
c=c->get_parent()->cast_to<Node2D>();
|
|
}
|
|
|
|
} break;
|
|
case NOTIFICATION_TRANSFORM_CHANGED: {
|
|
|
|
if (navigation && nav_id!=-1) {
|
|
navigation->navpoly_set_transform(nav_id,get_relative_transform(navigation));
|
|
}
|
|
|
|
} break;
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
|
|
if (navigation) {
|
|
|
|
if (nav_id!=-1) {
|
|
navigation->navpoly_remove(nav_id);
|
|
nav_id=-1;
|
|
}
|
|
}
|
|
navigation=NULL;
|
|
} break;
|
|
case NOTIFICATION_DRAW: {
|
|
|
|
if (is_inside_tree() && get_tree()->is_editor_hint() && navpoly.is_valid()) {
|
|
|
|
DVector<Vector2> verts=navpoly->get_vertices();
|
|
int vsize = verts.size();
|
|
if (vsize<3)
|
|
return;
|
|
|
|
|
|
Color color;
|
|
if (enabled) {
|
|
color=Color(0.1,0.8,1.0,0.4);
|
|
} else {
|
|
color=Color(1.0,0.8,0.1,0.4);
|
|
}
|
|
Vector<Color> colors;
|
|
Vector<Vector2> vertices;
|
|
vertices.resize(vsize);
|
|
colors.resize(vsize);
|
|
{
|
|
DVector<Vector2>::Read vr = verts.read();
|
|
for(int i=0;i<vsize;i++) {
|
|
vertices[i]=vr[i];
|
|
colors[i]=color;
|
|
}
|
|
}
|
|
|
|
Vector<int> indices;
|
|
|
|
|
|
for(int i=0;i<navpoly->get_polygon_count();i++) {
|
|
Vector<int> polygon = navpoly->get_polygon(i);
|
|
|
|
for(int j=2;j<polygon.size();j++) {
|
|
|
|
int kofs[3]={0,j-1,j};
|
|
for(int k=0;k<3;k++) {
|
|
|
|
int idx = polygon[ kofs[k] ];
|
|
ERR_FAIL_INDEX(idx,vsize);
|
|
indices.push_back(idx);
|
|
}
|
|
}
|
|
}
|
|
VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(),indices,vertices,colors);
|
|
|
|
}
|
|
} break;
|
|
|
|
}
|
|
}
|
|
|
|
|
|
void NavigationPolygonInstance::set_navigation_polygon(const Ref<NavigationPolygon>& p_navpoly) {
|
|
|
|
if (p_navpoly==navpoly)
|
|
return;
|
|
|
|
if (navigation && nav_id!=-1) {
|
|
navigation->navpoly_remove(nav_id);
|
|
nav_id=-1;
|
|
}
|
|
if (navpoly.is_valid()) {
|
|
navpoly->disconnect(CoreStringNames::get_singleton()->changed,this,"_navpoly_changed");
|
|
}
|
|
navpoly=p_navpoly;
|
|
|
|
if (navpoly.is_valid()) {
|
|
navpoly->connect(CoreStringNames::get_singleton()->changed,this,"_navpoly_changed");
|
|
}
|
|
|
|
if (navigation && navpoly.is_valid() && enabled) {
|
|
nav_id = navigation->navpoly_create(navpoly,get_relative_transform(navigation),this);
|
|
}
|
|
//update_gizmo();
|
|
_change_notify("navpoly");
|
|
|
|
}
|
|
|
|
Ref<NavigationPolygon> NavigationPolygonInstance::get_navigation_polygon() const{
|
|
|
|
return navpoly;
|
|
}
|
|
|
|
void NavigationPolygonInstance::_navpoly_changed() {
|
|
|
|
if (is_inside_tree() && get_tree()->is_editor_hint())
|
|
update();
|
|
}
|
|
|
|
void NavigationPolygonInstance::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_navigation_polygon","navpoly"),&NavigationPolygonInstance::set_navigation_polygon);
|
|
ObjectTypeDB::bind_method(_MD("get_navigation_polygon"),&NavigationPolygonInstance::get_navigation_polygon);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_enabled","enabled"),&NavigationPolygonInstance::set_enabled);
|
|
ObjectTypeDB::bind_method(_MD("is_enabled"),&NavigationPolygonInstance::is_enabled);
|
|
|
|
ObjectTypeDB::bind_method(_MD("_navpoly_changed"),&NavigationPolygonInstance::_navpoly_changed);
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"navpoly",PROPERTY_HINT_RESOURCE_TYPE,"NavigationPolygon"),_SCS("set_navigation_polygon"),_SCS("get_navigation_polygon"));
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"enabled"),_SCS("set_enabled"),_SCS("is_enabled"));
|
|
}
|
|
|
|
NavigationPolygonInstance::NavigationPolygonInstance() {
|
|
|
|
navigation=NULL;
|
|
nav_id=-1;
|
|
enabled=true;
|
|
|
|
}
|