godot/scene/3d/navigation_mesh.cpp
Juan Linietsky 678948068b Small Issues & Maintenance
-=-=-=-=-=-=-=-=-=-=-=-=-=

-Begin work on Navigation Meshes (simple pathfinding for now, will improve soon)
-More doc on theme overriding
-Upgraded OpenSSL to version without bugs
-Misc bugfixes
2014-08-01 22:10:38 -03:00

238 lines
5.3 KiB
C++

#include "navigation_mesh.h"
#include "navigation.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();
}
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_scene())
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));
}
}
}
update_gizmo();
}
bool NavigationMeshInstance::is_enabled() const {
return enabled;
}
/////////////////////////////
void NavigationMeshInstance::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_SCENE: {
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));
}
break;
}
c=c->get_parent_spatial();
}
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (navigation && nav_id!=-1) {
navigation->navmesh_set_transform(nav_id,get_relative_transform(navigation));
}
} break;
case NOTIFICATION_EXIT_SCENE: {
if (navigation) {
if (nav_id!=-1) {
navigation->navmesh_remove(nav_id);
nav_id=-1;
}
}
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));
}
update_gizmo();
}
Ref<NavigationMesh> NavigationMeshInstance::get_navigation_mesh() const{
return navmesh;
}
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() {
navigation=NULL;
nav_id=-1;
enabled=true;
}