asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
virtualx-engine/scene/2d/navigation_polygon.cpp
Rémi Verschelde f742dabafe Signals: Manually port most of remaining connect_compat uses 
It's tedious work...

Some can't be ported as they depend on private or protected methods
of different classes, which is not supported by callable_mp (even if
it's a class inherited by the current one).
2020-02-28 14:24:09 +01:00

582 lines
16 KiB
C++
Raw Blame History

/*************************************************************************/
/* navigation_polygon.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "navigation_polygon.h"
#include "core/core_string_names.h"
#include "core/engine.h"
#include "core/os/mutex.h"
#include "navigation_2d.h"
#include "servers/navigation_2d_server.h"
#include "thirdparty/misc/triangulator.h"
#ifdef TOOLS_ENABLED
Rect2 NavigationPolygon::_edit_get_rect() const {
if (rect_cache_dirty) {
item_rect = Rect2();
bool first = true;
for (int i = 0; i < outlines.size(); i++) {
const Vector<Vector2> &outline = outlines[i];
const int outline_size = outline.size();
if (outline_size < 3)
continue;
const Vector2 *p = outline.ptr();
for (int j = 0; j < outline_size; j++) {
if (first) {
item_rect = Rect2(p[j], Vector2(0, 0));
first = false;
} else {
item_rect.expand_to(p[j]);
}
}
}
rect_cache_dirty = false;
}
return item_rect;
}
bool NavigationPolygon::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
for (int i = 0; i < outlines.size(); i++) {
const Vector<Vector2> &outline = outlines[i];
const int outline_size = outline.size();
if (outline_size < 3)
continue;
if (Geometry::is_point_in_polygon(p_point, Variant(outline)))
return true;
}
return false;
}
#endif
void NavigationPolygon::set_vertices(const Vector<Vector2> &p_vertices) {
{
MutexLock lock(navmesh_generation);
navmesh.unref();
}
vertices = p_vertices;
rect_cache_dirty = true;
}
Vector<Vector2> NavigationPolygon::get_vertices() const {
return vertices;
}
void NavigationPolygon::_set_polygons(const Array &p_array) {
{
MutexLock lock(navmesh_generation);
navmesh.unref();
}
polygons.resize(p_array.size());
for (int i = 0; i < p_array.size(); i++) {
polygons.write[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.write[i] = p_array[i];
}
rect_cache_dirty = true;
}
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);
{
MutexLock lock(navmesh_generation);
navmesh.unref();
}
}
void NavigationPolygon::add_outline_at_index(const Vector<Vector2> &p_outline, int p_index) {
outlines.insert(p_index, p_outline);
rect_cache_dirty = true;
}
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();
{
MutexLock lock(navmesh_generation);
navmesh.unref();
}
}
Ref<NavigationMesh> NavigationPolygon::get_mesh() {
MutexLock lock(navmesh_generation);
if (navmesh.is_null()) {
navmesh.instance();
Vector<Vector3> verts;
{
verts.resize(get_vertices().size());
Vector3 *w = verts.ptrw();
const Vector2 *r = get_vertices().ptr();
for (int i(0); i < get_vertices().size(); i++) {
w[i] = Vector3(r[i].x, 0.0, r[i].y);
}
}
navmesh->set_vertices(verts);
for (int i(0); i < get_polygon_count(); i++) {
navmesh->add_polygon(get_polygon(i));
}
}
return navmesh;
}
void NavigationPolygon::add_outline(const Vector<Vector2> &p_outline) {
outlines.push_back(p_outline);
rect_cache_dirty = true;
}
int NavigationPolygon::get_outline_count() const {
return outlines.size();
}
void NavigationPolygon::set_outline(int p_idx, const Vector<Vector2> &p_outline) {
ERR_FAIL_INDEX(p_idx, outlines.size());
outlines.write[p_idx] = p_outline;
rect_cache_dirty = true;
}
void NavigationPolygon::remove_outline(int p_idx) {
ERR_FAIL_INDEX(p_idx, outlines.size());
outlines.remove(p_idx);
rect_cache_dirty = true;
}
Vector<Vector2> NavigationPolygon::get_outline(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, outlines.size(), Vector<Vector2>());
return outlines[p_idx];
}
void NavigationPolygon::clear_outlines() {
outlines.clear();
rect_cache_dirty = true;
}
void NavigationPolygon::make_polygons_from_outlines() {
{
MutexLock lock(navmesh_generation);
navmesh.unref();
}
List<TriangulatorPoly> in_poly, out_poly;
Vector2 outside_point(-1e10, -1e10);
for (int i = 0; i < outlines.size(); i++) {
Vector<Vector2> ol = outlines[i];
int olsize = ol.size();
if (olsize < 3)
continue;
const Vector2 *r = ol.ptr();
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++) {
Vector<Vector2> ol = outlines[i];
int olsize = ol.size();
if (olsize < 3)
continue;
const Vector2 *r = ol.ptr();
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
Vector<Vector2> ol2 = outlines[k];
int olsize2 = ol2.size();
if (olsize2 < 3)
continue;
const Vector2 *r2 = ol2.ptr();
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!
ERR_PRINT("NavigationPolygon: 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 (int64_t 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() {
ClassDB::bind_method(D_METHOD("set_vertices", "vertices"), &NavigationPolygon::set_vertices);
ClassDB::bind_method(D_METHOD("get_vertices"), &NavigationPolygon::get_vertices);
ClassDB::bind_method(D_METHOD("add_polygon", "polygon"), &NavigationPolygon::add_polygon);
ClassDB::bind_method(D_METHOD("get_polygon_count"), &NavigationPolygon::get_polygon_count);
ClassDB::bind_method(D_METHOD("get_polygon", "idx"), &NavigationPolygon::get_polygon);
ClassDB::bind_method(D_METHOD("clear_polygons"), &NavigationPolygon::clear_polygons);
ClassDB::bind_method(D_METHOD("add_outline", "outline"), &NavigationPolygon::add_outline);
ClassDB::bind_method(D_METHOD("add_outline_at_index", "outline", "index"), &NavigationPolygon::add_outline_at_index);
ClassDB::bind_method(D_METHOD("get_outline_count"), &NavigationPolygon::get_outline_count);
ClassDB::bind_method(D_METHOD("set_outline", "idx", "outline"), &NavigationPolygon::set_outline);
ClassDB::bind_method(D_METHOD("get_outline", "idx"), &NavigationPolygon::get_outline);
ClassDB::bind_method(D_METHOD("remove_outline", "idx"), &NavigationPolygon::remove_outline);
ClassDB::bind_method(D_METHOD("clear_outlines"), &NavigationPolygon::clear_outlines);
ClassDB::bind_method(D_METHOD("make_polygons_from_outlines"), &NavigationPolygon::make_polygons_from_outlines);
ClassDB::bind_method(D_METHOD("_set_polygons", "polygons"), &NavigationPolygon::_set_polygons);
ClassDB::bind_method(D_METHOD("_get_polygons"), &NavigationPolygon::_get_polygons);
ClassDB::bind_method(D_METHOD("_set_outlines", "outlines"), &NavigationPolygon::_set_outlines);
ClassDB::bind_method(D_METHOD("_get_outlines"), &NavigationPolygon::_get_outlines);
ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR2_ARRAY, "vertices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "set_vertices", "get_vertices");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "polygons", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_polygons", "_get_polygons");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "outlines", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_outlines", "_get_outlines");
}
NavigationPolygon::NavigationPolygon() :
rect_cache_dirty(true) {
}
NavigationPolygon::~NavigationPolygon() {
}
void NavigationRegion2D::set_enabled(bool p_enabled) {
if (enabled == p_enabled)
return;
enabled = p_enabled;
if (!is_inside_tree())
return;
if (!enabled) {
Navigation2DServer::get_singleton()->region_set_map(region, RID());
} else {
if (navigation) {
Navigation2DServer::get_singleton()->region_set_map(region, navigation->get_rid());
}
}
if (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint())
update();
}
bool NavigationRegion2D::is_enabled() const {
return enabled;
}
/////////////////////////////
#ifdef TOOLS_ENABLED
Rect2 NavigationRegion2D::_edit_get_rect() const {
return navpoly.is_valid() ? navpoly->_edit_get_rect() : Rect2();
}
bool NavigationRegion2D::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
return navpoly.is_valid() ? navpoly->_edit_is_selected_on_click(p_point, p_tolerance) : false;
}
#endif
void NavigationRegion2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
Node2D *c = this;
while (c) {
navigation = Object::cast_to<Navigation2D>(c);
if (navigation) {
if (enabled) {
Navigation2DServer::get_singleton()->region_set_map(region, navigation->get_rid());
}
break;
}
c = Object::cast_to<Node2D>(c->get_parent());
}
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
Navigation2DServer::get_singleton()->region_set_transform(region, get_global_transform());
} break;
case NOTIFICATION_EXIT_TREE: {
if (navigation) {
Navigation2DServer::get_singleton()->region_set_map(region, RID());
}
navigation = NULL;
} break;
case NOTIFICATION_DRAW: {
if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint()) && navpoly.is_valid()) {
Vector<Vector2> verts = navpoly->get_vertices();
int vsize = verts.size();
if (vsize < 3)
return;
Color color;
if (enabled) {
color = get_tree()->get_debug_navigation_color();
} else {
color = get_tree()->get_debug_navigation_disabled_color();
}
Vector<Color> colors;
Vector<Vector2> vertices;
vertices.resize(vsize);
colors.resize(vsize);
{
const Vector2 *vr = verts.ptr();
for (int i = 0; i < vsize; i++) {
vertices.write[i] = vr[i];
colors.write[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 NavigationRegion2D::set_navigation_polygon(const Ref<NavigationPolygon> &p_navpoly) {
if (p_navpoly == navpoly) {
return;
}
if (navpoly.is_valid()) {
navpoly->disconnect(CoreStringNames::get_singleton()->changed, callable_mp(this, &NavigationRegion2D::_navpoly_changed));
}
navpoly = p_navpoly;
Navigation2DServer::get_singleton()->region_set_navpoly(region, p_navpoly);
if (navpoly.is_valid()) {
navpoly->connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &NavigationRegion2D::_navpoly_changed));
}
_navpoly_changed();
_change_notify("navpoly");
update_configuration_warning();
}
Ref<NavigationPolygon> NavigationRegion2D::get_navigation_polygon() const {
return navpoly;
}
void NavigationRegion2D::_navpoly_changed() {
if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint()))
update();
}
String NavigationRegion2D::get_configuration_warning() const {
if (!is_visible_in_tree() || !is_inside_tree())
return String();
if (!navpoly.is_valid()) {
return TTR("A NavigationPolygon resource must be set or created for this node to work. Please set a property or draw a polygon.");
}
const Node2D *c = this;
while (c) {
if (Object::cast_to<Navigation2D>(c)) {
return String();
}
c = Object::cast_to<Node2D>(c->get_parent());
}
return TTR("NavigationRegion2D must be a child or grandchild to a Navigation2D node. It only provides navigation data.");
}
void NavigationRegion2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_navigation_polygon", "navpoly"), &NavigationRegion2D::set_navigation_polygon);
ClassDB::bind_method(D_METHOD("get_navigation_polygon"), &NavigationRegion2D::get_navigation_polygon);
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &NavigationRegion2D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &NavigationRegion2D::is_enabled);
ClassDB::bind_method(D_METHOD("_navpoly_changed"), &NavigationRegion2D::_navpoly_changed);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "navpoly", PROPERTY_HINT_RESOURCE_TYPE, "NavigationPolygon"), "set_navigation_polygon", "get_navigation_polygon");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
}
NavigationRegion2D::NavigationRegion2D() {
enabled = true;
set_notify_transform(true);
region = Navigation2DServer::get_singleton()->region_create();
navigation = NULL;
}
NavigationRegion2D::~NavigationRegion2D() {
Navigation2DServer::get_singleton()->free(region);
}
Reference in a new issue View git blame Copy permalink