void Viewport::set_world(const Ref<World>& p_world) {
if (world==p_world)
return;
if (is_inside_scene())
_propagate_exit_world(this);
#ifndef _3D_DISABLED
if (find_world().is_valid() && camera)
camera->notification(Camera::NOTIFICATION_LOST_CURRENT);
#endif
world=p_world;
if (is_inside_scene())
_propagate_enter_world(this);
#ifndef _3D_DISABLED
if (find_world().is_valid() && camera)
camera->notification(Camera::NOTIFICATION_BECAME_CURRENT);
#endif
//propagate exit
if (is_inside_scene()) {
VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
}
_update_listener();
}
void Viewport::set_as_audio_listener(bool p_enable) {
if (p_enable==audio_listener)
return;
audio_listener=p_enable;
_update_listener();
}
void Viewport::set_use_own_world(bool p_world) {
if (p_world==own_world.is_valid())
return;
if (is_inside_scene())
_propagate_exit_world(this);
#ifndef _3D_DISABLED
if (find_world().is_valid() && camera)
camera->notification(Camera::NOTIFICATION_LOST_CURRENT);
#endif
if (!p_world)
own_world=Ref<World>();
else
own_world=Ref<World>( memnew( World ));
if (is_inside_scene())
_propagate_enter_world(this);
#ifndef _3D_DISABLED
if (find_world().is_valid() && camera)
camera->notification(Camera::NOTIFICATION_BECAME_CURRENT);
#endif
//propagate exit
if (is_inside_scene()) {
VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
}
_update_listener();
}
void Viewport::_set_camera(Camera* p_camera) {
#ifndef _3D_DISABLED
if (camera==p_camera)
return;
if (camera && find_world().is_valid()) {
camera->notification(Camera::NOTIFICATION_LOST_CURRENT);
}
camera=p_camera;
if (camera)
VisualServer::get_singleton()->viewport_attach_camera(viewport,camera->get_camera());
else
VisualServer::get_singleton()->viewport_attach_camera(viewport,RID());
if (camera && find_world().is_valid()) {
camera->notification(Camera::NOTIFICATION_BECAME_CURRENT);
}
_update_listener();
_camera_transform_changed_notify();
#endif
}
void Viewport::_notification(int p_what) {
switch( p_what ) {
case NOTIFICATION_ENTER_SCENE: {
if (!render_target)
_vp_enter_scene();
this->parent=NULL;
Node *parent=get_parent();
if (parent) {
while(parent && !(this->parent=parent->cast_to<Viewport>())) {
parent=parent->get_parent();
}
}
current_canvas=find_world_2d()->get_canvas();
VisualServer::get_singleton()->viewport_set_scenario(viewport,find_world()->get_scenario());
VisualServer::get_singleton()->viewport_attach_canvas(viewport,current_canvas);
_update_listener();
_update_listener_2d();
_update_rect();
if (world_2d.is_valid()) {
find_world_2d()->_register_viewport(this,Rect2());
//best to defer this and not do it here, as it can annoy a lot of setup logic if user
//adds a node and then moves it, will get enter/exit screen/viewport notifications
//unnecesarily
// update_worlds();
}
add_to_group("_viewports");
} break;
case NOTIFICATION_READY: {
#ifndef _3D_DISABLED
if (cameras.size() && !camera) {
//there are cameras but no current camera, pick first in tree and make it current
Camera *first=NULL;
for(Set<Camera*>::Element *E=cameras.front();E;E=E->next()) {
if (first==NULL || first->is_greater_than(E->get())) {
first=E->get();
}
}
if (first)
first->make_current();
}
#endif
} break;
case NOTIFICATION_EXIT_SCENE: {
if (world_2d.is_valid())
world_2d->_remove_viewport(this);
if (!render_target)
_vp_exit_scene();
VisualServer::get_singleton()->viewport_set_scenario(viewport,RID());
SpatialSoundServer::get_singleton()->listener_set_space(listener,RID());
VisualServer::get_singleton()->viewport_remove_canvas(viewport,current_canvas);
remove_from_group("_viewports");
} break;
}
}
void Listener::_request_listener_update() {
_update_listener();
}
