382 lines
8.2 KiB
C++
382 lines
8.2 KiB
C++
#include "navigation_mesh.h"
|
|
#include "navigation.h"
|
|
#include "mesh_instance.h"
|
|
|
|
void NavigationMesh::create_from_mesh(const Ref<Mesh>& p_mesh) {
|
|
|
|
|
|
vertices=DVector<Vector3>();
|
|
clear_polygons();
|
|
|
|
for(int i=0;i<p_mesh->get_surface_count();i++) {
|
|
|
|
if (p_mesh->surface_get_primitive_type(i)!=Mesh::PRIMITIVE_TRIANGLES)
|
|
continue;
|
|
Array arr = p_mesh->surface_get_arrays(i);
|
|
DVector<Vector3> varr = arr[Mesh::ARRAY_VERTEX];
|
|
DVector<int> iarr = arr[Mesh::ARRAY_INDEX];
|
|
if (varr.size()==0 || iarr.size()==0)
|
|
continue;
|
|
|
|
int from = vertices.size();
|
|
vertices.append_array(varr);
|
|
int rlen = iarr.size();
|
|
DVector<int>::Read r = iarr.read();
|
|
|
|
for(int j=0;j<rlen;j+=3) {
|
|
Vector<int> vi;
|
|
vi.resize(3);
|
|
vi[0]=r[j+0]+from;
|
|
vi[1]=r[j+1]+from;
|
|
vi[2]=r[j+2]+from;
|
|
|
|
add_polygon(vi);
|
|
}
|
|
}
|
|
}
|
|
|
|
void NavigationMesh::set_vertices(const DVector<Vector3>& p_vertices) {
|
|
|
|
vertices=p_vertices;
|
|
}
|
|
|
|
DVector<Vector3> NavigationMesh::get_vertices() const{
|
|
|
|
return vertices;
|
|
}
|
|
|
|
|
|
void NavigationMesh::_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 NavigationMesh::_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 NavigationMesh::add_polygon(const Vector<int>& p_polygon){
|
|
|
|
Polygon polygon;
|
|
polygon.indices=p_polygon;
|
|
polygons.push_back(polygon);
|
|
|
|
}
|
|
int NavigationMesh::get_polygon_count() const{
|
|
|
|
return polygons.size();
|
|
}
|
|
Vector<int> NavigationMesh::get_polygon(int p_idx){
|
|
|
|
ERR_FAIL_INDEX_V(p_idx,polygons.size(),Vector<int>());
|
|
return polygons[p_idx].indices;
|
|
}
|
|
void NavigationMesh::clear_polygons(){
|
|
|
|
polygons.clear();
|
|
}
|
|
|
|
Ref<Mesh> NavigationMesh::get_debug_mesh() {
|
|
|
|
if (debug_mesh.is_valid())
|
|
return debug_mesh;
|
|
|
|
|
|
|
|
DVector<Vector3> vertices = get_vertices();
|
|
DVector<Vector3>::Read vr=vertices.read();
|
|
List<Face3> faces;
|
|
for(int i=0;i<get_polygon_count();i++) {
|
|
Vector<int> p = get_polygon(i);
|
|
|
|
for(int j=2;j<p.size();j++) {
|
|
Face3 f;
|
|
f.vertex[0]=vr[p[0]];
|
|
f.vertex[1]=vr[p[j-1]];
|
|
f.vertex[2]=vr[p[j]];
|
|
|
|
faces.push_back(f);
|
|
}
|
|
}
|
|
|
|
|
|
Map<_EdgeKey,bool> edge_map;
|
|
DVector<Vector3> tmeshfaces;
|
|
tmeshfaces.resize(faces.size()*3);
|
|
|
|
{
|
|
DVector<Vector3>::Write tw=tmeshfaces.write();
|
|
int tidx=0;
|
|
|
|
|
|
for(List<Face3>::Element *E=faces.front();E;E=E->next()) {
|
|
|
|
const Face3 &f = E->get();
|
|
|
|
for(int j=0;j<3;j++) {
|
|
|
|
tw[tidx++]=f.vertex[j];
|
|
_EdgeKey ek;
|
|
ek.from=f.vertex[j].snapped(CMP_EPSILON);
|
|
ek.to=f.vertex[(j+1)%3].snapped(CMP_EPSILON);
|
|
if (ek.from<ek.to)
|
|
SWAP(ek.from,ek.to);
|
|
|
|
Map<_EdgeKey,bool>::Element *E=edge_map.find(ek);
|
|
|
|
if (E) {
|
|
|
|
E->get()=false;
|
|
|
|
} else {
|
|
|
|
edge_map[ek]=true;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
List<Vector3> lines;
|
|
|
|
for(Map<_EdgeKey,bool>::Element *E=edge_map.front();E;E=E->next()) {
|
|
|
|
if (E->get()) {
|
|
lines.push_back(E->key().from);
|
|
lines.push_back(E->key().to);
|
|
}
|
|
}
|
|
|
|
DVector<Vector3> varr;
|
|
varr.resize(lines.size());
|
|
{
|
|
DVector<Vector3>::Write w = varr.write();
|
|
int idx=0;
|
|
for(List<Vector3>::Element *E=lines.front();E;E=E->next()) {
|
|
w[idx++]=E->get();
|
|
}
|
|
}
|
|
|
|
debug_mesh = Ref<Mesh>( memnew( Mesh ) );
|
|
|
|
Array arr;
|
|
arr.resize(Mesh::ARRAY_MAX);
|
|
arr[Mesh::ARRAY_VERTEX]=varr;
|
|
|
|
debug_mesh->add_surface(Mesh::PRIMITIVE_LINES,arr);
|
|
|
|
return debug_mesh;
|
|
}
|
|
|
|
void NavigationMesh::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_vertices","vertices"),&NavigationMesh::set_vertices);
|
|
ObjectTypeDB::bind_method(_MD("get_vertices"),&NavigationMesh::get_vertices);
|
|
|
|
ObjectTypeDB::bind_method(_MD("add_polygon","polygon"),&NavigationMesh::add_polygon);
|
|
ObjectTypeDB::bind_method(_MD("get_polygon_count"),&NavigationMesh::get_polygon_count);
|
|
ObjectTypeDB::bind_method(_MD("get_polygon","idx"),&NavigationMesh::get_polygon);
|
|
ObjectTypeDB::bind_method(_MD("clear_polygons"),&NavigationMesh::clear_polygons);
|
|
|
|
ObjectTypeDB::bind_method(_MD("_set_polygons","polygons"),&NavigationMesh::_set_polygons);
|
|
ObjectTypeDB::bind_method(_MD("_get_polygons"),&NavigationMesh::_get_polygons);
|
|
|
|
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"));
|
|
}
|
|
|
|
NavigationMesh::NavigationMesh() {
|
|
|
|
}
|
|
|
|
void NavigationMeshInstance::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->navmesh_remove(nav_id);
|
|
nav_id=-1;
|
|
}
|
|
} else {
|
|
|
|
if (navigation) {
|
|
|
|
if (navmesh.is_valid()) {
|
|
|
|
nav_id = navigation->navmesh_create(navmesh,get_relative_transform(navigation),this);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if (debug_view) {
|
|
MeshInstance *dm=debug_view->cast_to<MeshInstance>();
|
|
if (is_enabled()) {
|
|
dm->set_material_override( get_tree()->get_debug_navigation_material() );
|
|
} else {
|
|
dm->set_material_override( get_tree()->get_debug_navigation_disabled_material() );
|
|
}
|
|
|
|
}
|
|
|
|
update_gizmo();
|
|
}
|
|
|
|
bool NavigationMeshInstance::is_enabled() const {
|
|
|
|
|
|
return enabled;
|
|
}
|
|
|
|
|
|
/////////////////////////////
|
|
|
|
|
|
void NavigationMeshInstance::_notification(int p_what) {
|
|
|
|
|
|
switch(p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
|
|
Spatial *c=this;
|
|
while(c) {
|
|
|
|
navigation=c->cast_to<Navigation>();
|
|
if (navigation) {
|
|
|
|
if (enabled && navmesh.is_valid()) {
|
|
|
|
nav_id = navigation->navmesh_create(navmesh,get_relative_transform(navigation),this);
|
|
}
|
|
break;
|
|
}
|
|
|
|
c=c->get_parent_spatial();
|
|
}
|
|
|
|
if (navmesh.is_valid() && get_tree()->is_debugging_navigation_hint()) {
|
|
|
|
MeshInstance *dm = memnew( MeshInstance );
|
|
dm->set_mesh( navmesh->get_debug_mesh() );
|
|
if (is_enabled()) {
|
|
dm->set_material_override( get_tree()->get_debug_navigation_material() );
|
|
} else {
|
|
dm->set_material_override( get_tree()->get_debug_navigation_disabled_material() );
|
|
}
|
|
add_child(dm);
|
|
debug_view=dm;
|
|
}
|
|
|
|
} break;
|
|
case NOTIFICATION_TRANSFORM_CHANGED: {
|
|
|
|
if (navigation && nav_id!=-1) {
|
|
navigation->navmesh_set_transform(nav_id,get_relative_transform(navigation));
|
|
}
|
|
|
|
|
|
|
|
} break;
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
|
|
if (navigation) {
|
|
|
|
if (nav_id!=-1) {
|
|
navigation->navmesh_remove(nav_id);
|
|
nav_id=-1;
|
|
}
|
|
}
|
|
|
|
if (debug_view) {
|
|
debug_view->queue_delete();
|
|
debug_view=NULL;
|
|
}
|
|
navigation=NULL;
|
|
} break;
|
|
}
|
|
}
|
|
|
|
|
|
void NavigationMeshInstance::set_navigation_mesh(const Ref<NavigationMesh>& p_navmesh) {
|
|
|
|
if (p_navmesh==navmesh)
|
|
return;
|
|
|
|
if (navigation && nav_id!=-1) {
|
|
navigation->navmesh_remove(nav_id);
|
|
nav_id=-1;
|
|
}
|
|
navmesh=p_navmesh;
|
|
|
|
if (navigation && navmesh.is_valid() && enabled) {
|
|
nav_id = navigation->navmesh_create(navmesh,get_relative_transform(navigation),this);
|
|
}
|
|
update_gizmo();
|
|
update_configuration_warning();
|
|
|
|
}
|
|
|
|
Ref<NavigationMesh> NavigationMeshInstance::get_navigation_mesh() const{
|
|
|
|
return navmesh;
|
|
}
|
|
|
|
String NavigationMeshInstance::get_configuration_warning() const {
|
|
|
|
if (!is_visible() || !is_inside_tree())
|
|
return String();
|
|
|
|
if (!navmesh.is_valid()) {
|
|
return TTR("A NavigationMesh resource must be set or created for this node to work.");
|
|
}
|
|
const Spatial *c=this;
|
|
while(c) {
|
|
|
|
if (c->cast_to<Navigation>())
|
|
return String();
|
|
|
|
c=c->get_parent()->cast_to<Spatial>();
|
|
}
|
|
|
|
return TTR("NavigationMeshInstance must be a child or grandchild to a Navigation node. It only provides navigation data.");
|
|
}
|
|
|
|
|
|
void NavigationMeshInstance::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_navigation_mesh","navmesh"),&NavigationMeshInstance::set_navigation_mesh);
|
|
ObjectTypeDB::bind_method(_MD("get_navigation_mesh"),&NavigationMeshInstance::get_navigation_mesh);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_enabled","enabled"),&NavigationMeshInstance::set_enabled);
|
|
ObjectTypeDB::bind_method(_MD("is_enabled"),&NavigationMeshInstance::is_enabled);
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"navmesh",PROPERTY_HINT_RESOURCE_TYPE,"NavigationMesh"),_SCS("set_navigation_mesh"),_SCS("get_navigation_mesh"));
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"enabled"),_SCS("set_enabled"),_SCS("is_enabled"));
|
|
}
|
|
|
|
NavigationMeshInstance::NavigationMeshInstance() {
|
|
|
|
debug_view=NULL;
|
|
navigation=NULL;
|
|
nav_id=-1;
|
|
enabled=true;
|
|
|
|
}
|