diff options
Diffstat (limited to 'scene/2d/navigation_agent_2d.cpp')
| -rw-r--r-- | scene/2d/navigation_agent_2d.cpp | 49 |
1 files changed, 41 insertions, 8 deletions
diff --git a/scene/2d/navigation_agent_2d.cpp b/scene/2d/navigation_agent_2d.cpp index 00082b321e..80d60dca17 100644 --- a/scene/2d/navigation_agent_2d.cpp +++ b/scene/2d/navigation_agent_2d.cpp @@ -96,16 +96,30 @@ void NavigationAgent2D::_bind_methods() { void NavigationAgent2D::_notification(int p_what) { switch (p_what) { - case NOTIFICATION_READY: { - agent_parent = Object::cast_to<Node2D>(get_parent()); - if (agent_parent != nullptr) { - // place agent on navigation map first or else the RVO agent callback creation fails silently later - NavigationServer2D::get_singleton()->agent_set_map(get_rid(), agent_parent->get_world_2d()->get_navigation_map()); - set_avoidance_enabled(avoidance_enabled); - } + case NOTIFICATION_POST_ENTER_TREE: { + // need to use POST_ENTER_TREE cause with normal ENTER_TREE not all required Nodes are ready. + // cannot use READY as ready does not get called if Node is readded to SceneTree + set_agent_parent(get_parent()); set_physics_process_internal(true); } break; + case NOTIFICATION_PARENTED: { + if (is_inside_tree() && (get_parent() != agent_parent)) { + // only react to PARENTED notifications when already inside_tree and parent changed, e.g. users switch nodes around + // PARENTED notification fires also when Node is added in scripts to a parent + // this would spam transforms fails and world fails while Node is outside SceneTree + // when node gets reparented when joining the tree POST_ENTER_TREE takes care of this + set_agent_parent(get_parent()); + set_physics_process_internal(true); + } + } break; + + case NOTIFICATION_UNPARENTED: { + // if agent has no parent no point in processing it until reparented + set_agent_parent(nullptr); + set_physics_process_internal(false); + } break; + case NOTIFICATION_PAUSED: { if (agent_parent && !agent_parent->can_process()) { map_before_pause = NavigationServer2D::get_singleton()->agent_get_map(get_rid()); @@ -133,7 +147,11 @@ void NavigationAgent2D::_notification(int p_what) { case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: { if (agent_parent) { - NavigationServer2D::get_singleton()->agent_set_position(agent, agent_parent->get_global_position()); + if (avoidance_enabled) { + // agent_position on NavigationServer is avoidance only and has nothing to do with pathfinding + // no point in flooding NavigationServer queue with agent position updates that get send to the void if avoidance is not used + NavigationServer2D::get_singleton()->agent_set_position(agent, agent_parent->get_global_position()); + } _check_distance_to_target(); } } break; @@ -167,6 +185,21 @@ bool NavigationAgent2D::get_avoidance_enabled() const { return avoidance_enabled; } +void NavigationAgent2D::set_agent_parent(Node *p_agent_parent) { + // remove agent from any avoidance map before changing parent or there will be leftovers on the RVO map + NavigationServer2D::get_singleton()->agent_set_callback(agent, nullptr, "_avoidance_done"); + if (Object::cast_to<Node2D>(p_agent_parent) != nullptr) { + // place agent on navigation map first or else the RVO agent callback creation fails silently later + agent_parent = Object::cast_to<Node2D>(p_agent_parent); + NavigationServer2D::get_singleton()->agent_set_map(get_rid(), agent_parent->get_world_2d()->get_navigation_map()); + // create new avoidance callback if enabled + set_avoidance_enabled(avoidance_enabled); + } else { + agent_parent = nullptr; + NavigationServer2D::get_singleton()->agent_set_map(get_rid(), RID()); + } +} + void NavigationAgent2D::set_navigable_layers(uint32_t p_layers) { bool layers_changed = navigable_layers != p_layers; navigable_layers = p_layers; |