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-rw-r--r--scene/2d/navigation_2d.cpp720
1 files changed, 38 insertions, 682 deletions
diff --git a/scene/2d/navigation_2d.cpp b/scene/2d/navigation_2d.cpp
index 9209cc5074..bbabfa16c7 100644
--- a/scene/2d/navigation_2d.cpp
+++ b/scene/2d/navigation_2d.cpp
@@ -29,710 +29,66 @@
/*************************************************************************/
#include "navigation_2d.h"
+#include "servers/navigation_2d_server.h"
-#define USE_ENTRY_POINT
-
-void Navigation2D::_navpoly_link(int p_id) {
-
- ERR_FAIL_COND(!navpoly_map.has(p_id));
- NavMesh &nm = navpoly_map[p_id];
- ERR_FAIL_COND(nm.linked);
-
- PoolVector<Vector2> vertices = nm.navpoly->get_vertices();
- int len = vertices.size();
- if (len == 0)
- return;
-
- PoolVector<Vector2>::Read r = vertices.read();
-
- for (int i = 0; i < nm.navpoly->get_polygon_count(); i++) {
-
- //build
-
- List<Polygon>::Element *P = nm.polygons.push_back(Polygon());
- Polygon &p = P->get();
- p.owner = &nm;
-
- Vector<int> poly = nm.navpoly->get_polygon(i);
- int plen = poly.size();
- const int *indices = poly.ptr();
- bool valid = true;
- p.edges.resize(plen);
-
- Vector2 center;
- float sum = 0;
-
- for (int j = 0; j < plen; j++) {
-
- int idx = indices[j];
- if (idx < 0 || idx >= len) {
- valid = false;
- break;
- }
-
- Polygon::Edge e;
- Vector2 ep = nm.xform.xform(r[idx]);
- center += ep;
- e.point = _get_point(ep);
- p.edges.write[j] = e;
-
- int idxn = indices[(j + 1) % plen];
- if (idxn < 0 || idxn >= len) {
- valid = false;
- break;
- }
-
- Vector2 epn = nm.xform.xform(r[idxn]);
-
- sum += (epn.x - ep.x) * (epn.y + ep.y);
- }
-
- p.clockwise = sum > 0;
-
- if (!valid) {
- nm.polygons.pop_back();
- ERR_CONTINUE(!valid);
- }
-
- p.center = center / plen;
-
- //connect
-
- for (int j = 0; j < plen; j++) {
-
- int next = (j + 1) % plen;
- EdgeKey ek(p.edges[j].point, p.edges[next].point);
-
- Map<EdgeKey, Connection>::Element *C = connections.find(ek);
- if (!C) {
+void Navigation2D::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("get_rid"), &Navigation2D::get_rid);
- Connection c;
- c.A = &p;
- c.A_edge = j;
- c.B = NULL;
- c.B_edge = -1;
- connections[ek] = c;
- } else {
+ ClassDB::bind_method(D_METHOD("get_simple_path", "start", "end", "optimize"), &Navigation2D::get_simple_path, DEFVAL(true));
+ ClassDB::bind_method(D_METHOD("get_closest_point", "to_point"), &Navigation2D::get_closest_point);
+ ClassDB::bind_method(D_METHOD("get_closest_point_owner", "to_point"), &Navigation2D::get_closest_point_owner);
- if (C->get().B != NULL) {
- ConnectionPending pending;
- pending.polygon = &p;
- pending.edge = j;
- p.edges.write[j].P = C->get().pending.push_back(pending);
- continue;
- }
+ ClassDB::bind_method(D_METHOD("set_cell_size", "cell_size"), &Navigation2D::set_cell_size);
+ ClassDB::bind_method(D_METHOD("get_cell_size"), &Navigation2D::get_cell_size);
- C->get().B = &p;
- C->get().B_edge = j;
- C->get().A->edges.write[C->get().A_edge].C = &p;
- C->get().A->edges.write[C->get().A_edge].C_edge = j;
- p.edges.write[j].C = C->get().A;
- p.edges.write[j].C_edge = C->get().A_edge;
- //connection successful.
- }
- }
- }
+ ClassDB::bind_method(D_METHOD("set_edge_connection_margin", "margin"), &Navigation2D::set_edge_connection_margin);
+ ClassDB::bind_method(D_METHOD("get_edge_connection_margin"), &Navigation2D::get_edge_connection_margin);
- nm.linked = true;
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell_size"), "set_cell_size", "get_cell_size");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "edge_connection_margin"), "set_edge_connection_margin", "get_edge_connection_margin");
}
-void Navigation2D::_navpoly_unlink(int p_id) {
-
- ERR_FAIL_COND(!navpoly_map.has(p_id));
- NavMesh &nm = navpoly_map[p_id];
- ERR_FAIL_COND(!nm.linked);
-
- for (List<Polygon>::Element *E = nm.polygons.front(); E; E = E->next()) {
-
- Polygon &p = E->get();
-
- int ec = p.edges.size();
- Polygon::Edge *edges = p.edges.ptrw();
-
- for (int i = 0; i < ec; i++) {
- int next = (i + 1) % ec;
-
- EdgeKey ek(edges[i].point, edges[next].point);
- Map<EdgeKey, Connection>::Element *C = connections.find(ek);
- ERR_CONTINUE(!C);
+void Navigation2D::_notification(int p_what) {
+ switch (p_what) {
+ case NOTIFICATION_READY: {
+ Navigation2DServer::get_singleton()->map_set_active(map, true);
+ } break;
+ case NOTIFICATION_EXIT_TREE: {
- if (edges[i].P) {
- C->get().pending.erase(edges[i].P);
- edges[i].P = NULL;
-
- } else if (C->get().B) {
- //disconnect
-
- C->get().B->edges.write[C->get().B_edge].C = NULL;
- C->get().B->edges.write[C->get().B_edge].C_edge = -1;
- C->get().A->edges.write[C->get().A_edge].C = NULL;
- C->get().A->edges.write[C->get().A_edge].C_edge = -1;
-
- if (C->get().A == &E->get()) {
-
- C->get().A = C->get().B;
- C->get().A_edge = C->get().B_edge;
- }
- C->get().B = NULL;
- C->get().B_edge = -1;
-
- if (C->get().pending.size()) {
- //reconnect if something is pending
- ConnectionPending cp = C->get().pending.front()->get();
- C->get().pending.pop_front();
-
- C->get().B = cp.polygon;
- C->get().B_edge = cp.edge;
- C->get().A->edges.write[C->get().A_edge].C = cp.polygon;
- C->get().A->edges.write[C->get().A_edge].C_edge = cp.edge;
- cp.polygon->edges.write[cp.edge].C = C->get().A;
- cp.polygon->edges.write[cp.edge].C_edge = C->get().A_edge;
- cp.polygon->edges.write[cp.edge].P = NULL;
- }
-
- } else {
- connections.erase(C);
- //erase
- }
- }
+ Navigation2DServer::get_singleton()->map_set_active(map, false);
+ } break;
}
-
- nm.polygons.clear();
-
- nm.linked = false;
-}
-
-int Navigation2D::navpoly_add(const Ref<NavigationPolygon> &p_mesh, const Transform2D &p_xform, Object *p_owner) {
-
- int id = last_id++;
- NavMesh nm;
- nm.linked = false;
- nm.navpoly = p_mesh;
- nm.xform = p_xform;
- nm.owner = p_owner;
- navpoly_map[id] = nm;
-
- _navpoly_link(id);
-
- return id;
}
-void Navigation2D::navpoly_set_transform(int p_id, const Transform2D &p_xform) {
-
- ERR_FAIL_COND(!navpoly_map.has(p_id));
- NavMesh &nm = navpoly_map[p_id];
- if (nm.xform == p_xform)
- return; //bleh
- _navpoly_unlink(p_id);
- nm.xform = p_xform;
- _navpoly_link(p_id);
+void Navigation2D::set_cell_size(float p_cell_size) {
+ cell_size = p_cell_size;
+ Navigation2DServer::get_singleton()->map_set_cell_size(map, cell_size);
}
-void Navigation2D::navpoly_remove(int p_id) {
- ERR_FAIL_COND(!navpoly_map.has(p_id));
- _navpoly_unlink(p_id);
- navpoly_map.erase(p_id);
+void Navigation2D::set_edge_connection_margin(float p_edge_connection_margin) {
+ edge_connection_margin = p_edge_connection_margin;
+ Navigation2DServer::get_singleton()->map_set_edge_connection_margin(map, edge_connection_margin);
}
-Vector<Vector2> Navigation2D::get_simple_path(const Vector2 &p_start, const Vector2 &p_end, bool p_optimize) {
-
- Polygon *begin_poly = NULL;
- Polygon *end_poly = NULL;
- Vector2 begin_point;
- Vector2 end_point;
- float begin_d = 1e20;
- float end_d = 1e20;
-
- //look for point inside triangle
-
- for (Map<int, NavMesh>::Element *E = navpoly_map.front(); E; E = E->next()) {
-
- if (!E->get().linked)
- continue;
- for (List<Polygon>::Element *F = E->get().polygons.front(); F; F = F->next()) {
-
- Polygon &p = F->get();
- if (begin_d || end_d) {
- for (int i = 2; i < p.edges.size(); i++) {
-
- if (begin_d > 0) {
-
- if (Geometry::is_point_in_triangle(p_start, _get_vertex(p.edges[0].point), _get_vertex(p.edges[i - 1].point), _get_vertex(p.edges[i].point))) {
-
- begin_poly = &p;
- begin_point = p_start;
- begin_d = 0;
- if (end_d == 0)
- break;
- }
- }
-
- if (end_d > 0) {
-
- if (Geometry::is_point_in_triangle(p_end, _get_vertex(p.edges[0].point), _get_vertex(p.edges[i - 1].point), _get_vertex(p.edges[i].point))) {
-
- end_poly = &p;
- end_point = p_end;
- end_d = 0;
- if (begin_d == 0)
- break;
- }
- }
- }
- }
-
- p.prev_edge = -1;
- }
- }
-
- //start or end not inside triangle.. look for closest segment :|
- if (begin_d || end_d) {
- for (Map<int, NavMesh>::Element *E = navpoly_map.front(); E; E = E->next()) {
-
- if (!E->get().linked)
- continue;
- for (List<Polygon>::Element *F = E->get().polygons.front(); F; F = F->next()) {
-
- Polygon &p = F->get();
- int es = p.edges.size();
- for (int i = 0; i < es; i++) {
-
- Vector2 edge[2] = {
- _get_vertex(p.edges[i].point),
- _get_vertex(p.edges[(i + 1) % es].point)
- };
-
- if (begin_d > 0) {
- Vector2 spoint = Geometry::get_closest_point_to_segment_2d(p_start, edge);
- float d = spoint.distance_to(p_start);
- if (d < begin_d) {
- begin_poly = &p;
- begin_point = spoint;
- begin_d = d;
- }
- }
-
- if (end_d > 0) {
- Vector2 spoint = Geometry::get_closest_point_to_segment_2d(p_end, edge);
- float d = spoint.distance_to(p_end);
- if (d < end_d) {
- end_poly = &p;
- end_point = spoint;
- end_d = d;
- }
- }
- }
- }
- }
- }
-
- if (!begin_poly || !end_poly) {
-
- return Vector<Vector2>(); //no path
- }
-
- if (begin_poly == end_poly) {
-
- Vector<Vector2> path;
- path.resize(2);
- path.write[0] = begin_point;
- path.write[1] = end_point;
- return path;
- }
-
- bool found_route = false;
-
- List<Polygon *> open_list;
-
- begin_poly->entry = p_start;
-
- for (int i = 0; i < begin_poly->edges.size(); i++) {
-
- if (begin_poly->edges[i].C) {
-
- begin_poly->edges[i].C->prev_edge = begin_poly->edges[i].C_edge;
-#ifdef USE_ENTRY_POINT
- Vector2 edge[2] = {
- _get_vertex(begin_poly->edges[i].point),
- _get_vertex(begin_poly->edges[(i + 1) % begin_poly->edges.size()].point)
- };
-
- Vector2 entry = Geometry::get_closest_point_to_segment_2d(begin_poly->entry, edge);
- begin_poly->edges[i].C->distance = begin_poly->entry.distance_to(entry);
- begin_poly->edges[i].C->entry = entry;
-#else
- begin_poly->edges[i].C->distance = begin_poly->center.distance_to(begin_poly->edges[i].C->center);
-#endif
- open_list.push_back(begin_poly->edges[i].C);
-
- if (begin_poly->edges[i].C == end_poly) {
- found_route = true;
- }
- }
- }
-
- while (!found_route) {
-
- if (open_list.size() == 0) {
- break;
- }
- //check open list
-
- List<Polygon *>::Element *least_cost_poly = NULL;
- float least_cost = 1e30;
-
- //this could be faster (cache previous results)
- for (List<Polygon *>::Element *E = open_list.front(); E; E = E->next()) {
-
- Polygon *p = E->get();
-
- float cost = p->distance;
-
-#ifdef USE_ENTRY_POINT
- int es = p->edges.size();
-
- float shortest_distance = 1e30;
-
- for (int i = 0; i < es; i++) {
- Polygon::Edge &e = p->edges.write[i];
-
- if (!e.C)
- continue;
-
- Vector2 edge[2] = {
- _get_vertex(p->edges[i].point),
- _get_vertex(p->edges[(i + 1) % es].point)
- };
-
- Vector2 edge_point = Geometry::get_closest_point_to_segment_2d(p->entry, edge);
- float dist = p->entry.distance_to(edge_point);
- if (dist < shortest_distance)
- shortest_distance = dist;
- }
-
- cost += shortest_distance;
-#else
- cost += p->center.distance_to(end_point);
-#endif
- if (cost < least_cost) {
- least_cost_poly = E;
- least_cost = cost;
- }
- }
-
- Polygon *p = least_cost_poly->get();
- //open the neighbours for search
- int es = p->edges.size();
-
- for (int i = 0; i < es; i++) {
-
- Polygon::Edge &e = p->edges.write[i];
-
- if (!e.C)
- continue;
-
-#ifdef USE_ENTRY_POINT
- Vector2 edge[2] = {
- _get_vertex(p->edges[i].point),
- _get_vertex(p->edges[(i + 1) % es].point)
- };
-
- Vector2 edge_entry = Geometry::get_closest_point_to_segment_2d(p->entry, edge);
- float distance = p->entry.distance_to(edge_entry) + p->distance;
-
-#else
-
- float distance = p->center.distance_to(e.C->center) + p->distance;
-
-#endif
-
- if (e.C->prev_edge != -1) {
- //oh this was visited already, can we win the cost?
-
- if (e.C->distance > distance) {
-
- e.C->prev_edge = e.C_edge;
- e.C->distance = distance;
-#ifdef USE_ENTRY_POINT
- e.C->entry = edge_entry;
-#endif
- }
- } else {
- //add to open neighbours
-
- e.C->prev_edge = e.C_edge;
- e.C->distance = distance;
-#ifdef USE_ENTRY_POINT
- e.C->entry = edge_entry;
-#endif
-
- open_list.push_back(e.C);
-
- if (e.C == end_poly) {
- //oh my reached end! stop algorithm
- found_route = true;
- break;
- }
- }
- }
-
- if (found_route)
- break;
-
- open_list.erase(least_cost_poly);
- }
-
- if (found_route) {
-
- Vector<Vector2> path;
-
- if (p_optimize) {
- //string pulling
-
- Vector2 apex_point = end_point;
- Vector2 portal_left = apex_point;
- Vector2 portal_right = apex_point;
- Polygon *left_poly = end_poly;
- Polygon *right_poly = end_poly;
- Polygon *p = end_poly;
-
- while (p) {
-
- Vector2 left;
- Vector2 right;
-
-//#define CLOCK_TANGENT(m_a,m_b,m_c) ( ((m_a)-(m_c)).cross((m_a)-(m_b)) )
-#define CLOCK_TANGENT(m_a, m_b, m_c) ((((m_a).x - (m_c).x) * ((m_b).y - (m_c).y) - ((m_b).x - (m_c).x) * ((m_a).y - (m_c).y)))
-
- if (p == begin_poly) {
- left = begin_point;
- right = begin_point;
- } else {
- int prev = p->prev_edge;
- int prev_n = (p->prev_edge + 1) % p->edges.size();
- left = _get_vertex(p->edges[prev].point);
- right = _get_vertex(p->edges[prev_n].point);
-
- if (p->clockwise) {
- SWAP(left, right);
- }
- /*if (CLOCK_TANGENT(apex_point,left,(left+right)*0.5) < 0){
- SWAP(left,right);
- }*/
- }
-
- bool skip = false;
-
- /*
- print_line("-----\nAPEX: "+(apex_point-end_point));
- print_line("LEFT:");
- print_line("\tPortal: "+(portal_left-end_point));
- print_line("\tPoint: "+(left-end_point));
- print_line("\tLeft Tangent: "+rtos(CLOCK_TANGENT(apex_point,portal_left,left)));
- print_line("\tLeft Distance: "+rtos(portal_left.distance_squared_to(apex_point)));
- print_line("\tLeft Test: "+rtos(CLOCK_TANGENT(apex_point,left,portal_right)));
- print_line("RIGHT:");
- print_line("\tPortal: "+(portal_right-end_point));
- print_line("\tPoint: "+(right-end_point));
- print_line("\tRight Tangent: "+rtos(CLOCK_TANGENT(apex_point,portal_right,right)));
- print_line("\tRight Distance: "+rtos(portal_right.distance_squared_to(apex_point)));
- print_line("\tRight Test: "+rtos(CLOCK_TANGENT(apex_point,right,portal_left)));
- */
-
- if (CLOCK_TANGENT(apex_point, portal_left, left) >= 0) {
- //process
- if (portal_left.is_equal_approx(apex_point) || CLOCK_TANGENT(apex_point, left, portal_right) > 0) {
- left_poly = p;
- portal_left = left;
- } else {
-
- apex_point = portal_right;
- p = right_poly;
- left_poly = p;
- portal_left = apex_point;
- portal_right = apex_point;
- if (!path.size() || !path[path.size() - 1].is_equal_approx(apex_point))
- path.push_back(apex_point);
- skip = true;
- }
- }
-
- if (!skip && CLOCK_TANGENT(apex_point, portal_right, right) <= 0) {
- //process
- if (portal_right.is_equal_approx(apex_point) || CLOCK_TANGENT(apex_point, right, portal_left) < 0) {
- right_poly = p;
- portal_right = right;
- } else {
-
- apex_point = portal_left;
- p = left_poly;
- right_poly = p;
- portal_right = apex_point;
- portal_left = apex_point;
- if (!path.size() || !path[path.size() - 1].is_equal_approx(apex_point))
- path.push_back(apex_point);
- }
- }
-
- if (p != begin_poly)
- p = p->edges[p->prev_edge].C;
- else
- p = NULL;
- }
-
- } else {
- //midpoints
- Polygon *p = end_poly;
-
- while (true) {
- int prev = p->prev_edge;
- int prev_n = (p->prev_edge + 1) % p->edges.size();
- Vector2 point = (_get_vertex(p->edges[prev].point) + _get_vertex(p->edges[prev_n].point)) * 0.5;
- path.push_back(point);
- p = p->edges[prev].C;
- if (p == begin_poly)
- break;
- }
- }
-
- if (!path.size() || !path[path.size() - 1].is_equal_approx(begin_point)) {
- path.push_back(begin_point); // Add the begin point
- } else {
- path.write[path.size() - 1] = begin_point; // Replace first midpoint by the exact begin point
- }
-
- path.invert();
-
- if (path.size() <= 1 || !path[path.size() - 1].is_equal_approx(end_point)) {
- path.push_back(end_point); // Add the end point
- } else {
- path.write[path.size() - 1] = end_point; // Replace last midpoint by the exact end point
- }
-
- return path;
- }
-
- return Vector<Vector2>();
+Vector<Vector2> Navigation2D::get_simple_path(const Vector2 &p_start, const Vector2 &p_end, bool p_optimize) const {
+ return Navigation2DServer::get_singleton()->map_get_path(map, p_start, p_end, p_optimize);
}
-Vector2 Navigation2D::get_closest_point(const Vector2 &p_point) {
-
- Vector2 closest_point = Vector2();
- float closest_point_d = 1e20;
-
- for (Map<int, NavMesh>::Element *E = navpoly_map.front(); E; E = E->next()) {
-
- if (!E->get().linked)
- continue;
- for (List<Polygon>::Element *F = E->get().polygons.front(); F; F = F->next()) {
-
- Polygon &p = F->get();
- for (int i = 2; i < p.edges.size(); i++) {
-
- if (Geometry::is_point_in_triangle(p_point, _get_vertex(p.edges[0].point), _get_vertex(p.edges[i - 1].point), _get_vertex(p.edges[i].point))) {
-
- return p_point; //inside triangle, nothing else to discuss
- }
- }
- }
- }
-
- for (Map<int, NavMesh>::Element *E = navpoly_map.front(); E; E = E->next()) {
-
- if (!E->get().linked)
- continue;
- for (List<Polygon>::Element *F = E->get().polygons.front(); F; F = F->next()) {
-
- Polygon &p = F->get();
- int es = p.edges.size();
- for (int i = 0; i < es; i++) {
-
- Vector2 edge[2] = {
- _get_vertex(p.edges[i].point),
- _get_vertex(p.edges[(i + 1) % es].point)
- };
-
- Vector2 spoint = Geometry::get_closest_point_to_segment_2d(p_point, edge);
- float d = spoint.distance_squared_to(p_point);
- if (d < closest_point_d) {
-
- closest_point = spoint;
- closest_point_d = d;
- }
- }
- }
- }
-
- return closest_point;
+Vector2 Navigation2D::get_closest_point(const Vector2 &p_point) const {
+ return Navigation2DServer::get_singleton()->map_get_closest_point(map, p_point);
}
-Object *Navigation2D::get_closest_point_owner(const Vector2 &p_point) {
-
- Object *owner = NULL;
- Vector2 closest_point = Vector2();
- float closest_point_d = 1e20;
-
- for (Map<int, NavMesh>::Element *E = navpoly_map.front(); E; E = E->next()) {
-
- if (!E->get().linked)
- continue;
- for (List<Polygon>::Element *F = E->get().polygons.front(); F; F = F->next()) {
-
- Polygon &p = F->get();
- for (int i = 2; i < p.edges.size(); i++) {
-
- if (Geometry::is_point_in_triangle(p_point, _get_vertex(p.edges[0].point), _get_vertex(p.edges[i - 1].point), _get_vertex(p.edges[i].point))) {
-
- return E->get().owner;
- }
- }
- }
- }
-
- for (Map<int, NavMesh>::Element *E = navpoly_map.front(); E; E = E->next()) {
-
- if (!E->get().linked)
- continue;
- for (List<Polygon>::Element *F = E->get().polygons.front(); F; F = F->next()) {
-
- Polygon &p = F->get();
- int es = p.edges.size();
- for (int i = 0; i < es; i++) {
-
- Vector2 edge[2] = {
- _get_vertex(p.edges[i].point),
- _get_vertex(p.edges[(i + 1) % es].point)
- };
-
- Vector2 spoint = Geometry::get_closest_point_to_segment_2d(p_point, edge);
- float d = spoint.distance_squared_to(p_point);
- if (d < closest_point_d) {
-
- closest_point = spoint;
- closest_point_d = d;
- owner = E->get().owner;
- }
- }
- }
- }
-
- return owner;
+RID Navigation2D::get_closest_point_owner(const Vector2 &p_point) const {
+ return Navigation2DServer::get_singleton()->map_get_closest_point_owner(map, p_point);
}
-void Navigation2D::_bind_methods() {
-
- ClassDB::bind_method(D_METHOD("navpoly_add", "mesh", "xform", "owner"), &Navigation2D::navpoly_add, DEFVAL(Variant()));
- ClassDB::bind_method(D_METHOD("navpoly_set_transform", "id", "xform"), &Navigation2D::navpoly_set_transform);
- ClassDB::bind_method(D_METHOD("navpoly_remove", "id"), &Navigation2D::navpoly_remove);
+Navigation2D::Navigation2D() {
- ClassDB::bind_method(D_METHOD("get_simple_path", "start", "end", "optimize"), &Navigation2D::get_simple_path, DEFVAL(true));
- ClassDB::bind_method(D_METHOD("get_closest_point", "to_point"), &Navigation2D::get_closest_point);
- ClassDB::bind_method(D_METHOD("get_closest_point_owner", "to_point"), &Navigation2D::get_closest_point_owner);
+ map = Navigation2DServer::get_singleton()->map_create();
+ set_cell_size(10); // Ten pixels
+ set_edge_connection_margin(100);
}
-Navigation2D::Navigation2D() {
-
- ERR_FAIL_COND(sizeof(Point) != 8);
- cell_size = 1; // one pixel
- last_id = 1;
+Navigation2D::~Navigation2D() {
+ Navigation2DServer::get_singleton()->free(map);
}