Debugger: Add node filter and improve UX

debugger/behavior_tree_data.cpp

@@ -5,7 +5,9 @@
 
 //// BehaviorTreeData
 
-BehaviorTreeData::BehaviorTreeData(const Ref<BTTask> &p_instance) {
+BehaviorTreeData::BehaviorTreeData(const Ref<BTTask> &p_instance, const NodePath &p_player_path) {
+	bt_player_path = p_player_path;
+
 	// Flatten tree into list depth first
 	List<Ref<BTTask>> stack;
 	stack.push_back(p_instance);
@@ -31,6 +33,7 @@ BehaviorTreeData::BehaviorTreeData(const Ref<BTTask> &p_instance) {
 }
 
 void BehaviorTreeData::serialize(Array &p_arr) {
+	p_arr.push_back(bt_player_path);
 	for (const TaskData &td : tasks) {
 		p_arr.push_back(td.id);
 		p_arr.push_back(td.name);
@@ -43,10 +46,12 @@ void BehaviorTreeData::serialize(Array &p_arr) {
 
 void BehaviorTreeData::deserialize(const Array &p_arr) {
 	ERR_FAIL_COND(tasks.size() != 0);
-
+	ERR_FAIL_COND(p_arr.size() < 1);
-	int idx = 0;
+	ERR_FAIL_COND(p_arr[0].get_type() != Variant::NODE_PATH);
-	while (p_arr.size() > idx) {
+	bt_player_path = p_arr[0];
-		ERR_FAIL_COND(p_arr.size() < 6);
+	int idx = 1;
+	while (p_arr.size() > idx + 1) {
+		ERR_FAIL_COND(p_arr.size() < idx + 6);
 		ERR_FAIL_COND(p_arr[idx].get_type() != Variant::INT);
 		ERR_FAIL_COND(p_arr[idx + 1].get_type() != Variant::STRING);
 		ERR_FAIL_COND(p_arr[idx + 2].get_type() != Variant::INT);

debugger/behavior_tree_data.h

@@ -31,11 +31,12 @@ public:
 	};
 
 	List<TaskData> tasks;
+	NodePath bt_player_path;
 
 	void serialize(Array &p_arr);
 	void deserialize(const Array &p_arr);
 
-	BehaviorTreeData(const Ref<BTTask> &p_instance);
+	BehaviorTreeData(const Ref<BTTask> &p_instance, const NodePath &p_player_path);
 	BehaviorTreeData() {}
 };
 

debugger/limbo_debugger.cpp

@@ -42,13 +42,13 @@ void LimboDebugger::deinitialize() {
 #ifdef DEBUG_ENABLED
 Error LimboDebugger::parse_message(void *p_user, const String &p_msg, const Array &p_args, bool &r_captured) {
 	r_captured = true;
-	if (p_msg == "track_bt_updates") {
+	if (p_msg == "track_bt_player") {
 		singleton->_track_tree(p_args[0]);
-	} else if (p_msg == "untrack_bt_updates") {
+	} else if (p_msg == "untrack_bt_player") {
-		// unregister bt for updates
+		singleton->_untrack_tree();
 	} else if (p_msg == "start_session") {
 		singleton->session_active = true;
-		singleton->_send_active_behavior_trees();
+		singleton->_send_active_bt_players();
 	} else if (p_msg == "stop_session") {
 		singleton->session_active = false;
 	} else {
@@ -62,11 +62,12 @@ void LimboDebugger::register_bt_instance(Ref<BTTask> p_instance, NodePath p_path
 
 	active_trees.insert(p_path, p_instance);
 	if (session_active) {
-		_send_active_behavior_trees();
+		_send_active_bt_players();
 	}
 }
 
 void LimboDebugger::unregister_bt_instance(Ref<BTTask> p_instance, NodePath p_path) {
+	ERR_FAIL_COND(p_path.is_empty());
 	ERR_FAIL_COND(!active_trees.has(p_path));
 
 	if (tracked_tree == p_path) {
@@ -75,7 +76,7 @@ void LimboDebugger::unregister_bt_instance(Ref<BTTask> p_instance, NodePath p_pa
 	active_trees.erase(p_path);
 
 	if (session_active) {
-		_send_active_behavior_trees();
+		_send_active_bt_players();
 	}
 }
 
@@ -115,12 +116,12 @@ void LimboDebugger::_untrack_tree() {
 	}
 }
 
-void LimboDebugger::_send_active_behavior_trees() {
+void LimboDebugger::_send_active_bt_players() {
 	Array arr;
 	for (KeyValue<NodePath, Ref<BTTask>> kv : active_trees) {
 		arr.append(kv.key);
 	}
-	EngineDebugger::get_singleton()->send_message("limboai:active_behavior_trees", arr);
+	EngineDebugger::get_singleton()->send_message("limboai:active_bt_players", arr);
 }
 
 void LimboDebugger::_on_bt_updated(int _status, NodePath p_path) {
@@ -128,7 +129,7 @@ void LimboDebugger::_on_bt_updated(int _status, NodePath p_path) {
 		return;
 	}
 	Array arr;
-	BehaviorTreeData(active_trees.get(tracked_tree)).serialize(arr);
+	BehaviorTreeData(active_trees.get(tracked_tree), tracked_tree).serialize(arr);
 	EngineDebugger::get_singleton()->send_message("limboai:bt_update", arr);
 }
 
@@ -137,7 +138,7 @@ void LimboDebugger::_on_state_updated(float _delta, NodePath p_path) {
 		return;
 	}
 	Array arr;
-	BehaviorTreeData(active_trees.get(tracked_tree)).serialize(arr);
+	BehaviorTreeData(active_trees.get(tracked_tree), tracked_tree).serialize(arr);
 	EngineDebugger::get_singleton()->send_message("limboai:bt_update", arr);
 }
 

debugger/limbo_debugger.h

@@ -31,7 +31,7 @@ private:
 
 	void _track_tree(NodePath p_path);
 	void _untrack_tree();
-	void _send_active_behavior_trees();
+	void _send_active_bt_players();
 
 	void _on_bt_updated(int status, NodePath p_path);
 	void _on_state_updated(float _delta, NodePath p_path);

debugger/limbo_debugger_plugin.cpp

@@ -16,65 +16,106 @@
 #include "scene/gui/control.h"
 #include "scene/gui/item_list.h"
 #include "scene/gui/label.h"
+#include "scene/gui/line_edit.h"
 #include "scene/gui/split_container.h"
 #include "scene/gui/texture_rect.h"
 
 /////////////////////// LimboDebuggerTab
 
 void LimboDebuggerTab::start_session() {
-	bt_list->clear();
+	bt_player_list->clear();
 	bt_view->clear();
-	info_box->hide();
+	alert_box->hide();
-	hsc->show();
+	info_message->set_text(TTR("Pick a player from the list to display behavior tree."));
-	message->hide();
+	info_message->show();
 	session->send_message("limboai:start_session", Array());
 }
 
 void LimboDebuggerTab::stop_session() {
-	hsc->hide();
+	bt_player_list->clear();
-	message->show();
+	bt_view->clear();
+	alert_box->hide();
+	info_message->set_text(TTR("Run project to start debugging."));
+	info_message->show();
 	session->send_message("limboai:stop_session", Array());
 }
 
-void LimboDebuggerTab::update_bt_list(const Array &p_node_paths) {
+void LimboDebuggerTab::update_active_bt_players(const Array &p_node_paths) {
+	active_bt_players.clear();
+	for (int i = 0; i < p_node_paths.size(); i++) {
+		active_bt_players.push_back(p_node_paths[i]);
+	}
+	_update_bt_player_list(active_bt_players, filter_players->get_text());
+}
+
+String LimboDebuggerTab::get_selected_bt_player() {
+	if (!bt_player_list->is_anything_selected()) {
+		return "";
+	}
+	return bt_player_list->get_item_text(bt_player_list->get_selected_items()[0]);
+}
+
+void LimboDebuggerTab::update_behavior_tree(const BehaviorTreeData &p_data) {
+	bt_view->update_tree(p_data);
+	info_message->hide();
+}
+
+void LimboDebuggerTab::_show_alert(const String &p_message) {
+	alert_message->set_text(p_message);
+	alert_icon->set_texture(get_theme_icon(SNAME("NodeInfo"), SNAME("EditorIcons")));
+	alert_box->set_visible(!p_message.is_empty());
+}
+
+void LimboDebuggerTab::_update_bt_player_list(const List<String> &p_node_paths, const String &p_filter) {
 	// Remember selected item.
-	String selected_bt = "";
+	String selected_player = "";
-	if (bt_list->is_anything_selected()) {
+	if (bt_player_list->is_anything_selected()) {
-		selected_bt = bt_list->get_item_text(bt_list->get_selected_items().get(0));
+		selected_player = bt_player_list->get_item_text(bt_player_list->get_selected_items().get(0));
 	}
 
-	bt_list->clear();
+	bt_player_list->clear();
 	int select_idx = -1;
-	for (int i = 0; i < p_node_paths.size(); i++) {
+	bool selection_filtered_out = false;
-		bt_list->add_item(p_node_paths[i]);
+	for (const String &p : p_node_paths) {
+		if (p_filter.is_empty() || p.contains(p_filter)) {
+			int idx = bt_player_list->add_item(p);
 			// Make item text shortened from the left, e.g ".../Agent/BTPlayer".
-		bt_list->set_item_text_direction(i, TEXT_DIRECTION_RTL);
+			bt_player_list->set_item_text_direction(idx, TEXT_DIRECTION_RTL);
-		if (p_node_paths[i] == selected_bt) {
+			if (p == selected_player) {
-			select_idx = i;
+				select_idx = idx;
+			}
+		} else if (p == selected_player) {
+			selection_filtered_out = true;
 		}
 	}
 
 	// Restore selected item.
 	if (select_idx > -1) {
-		bt_list->select(select_idx);
+		bt_player_list->select(select_idx);
-	} else if (!selected_bt.is_empty()) {
+	} else if (!selected_player.is_empty()) {
-		_set_info_message(TTR("Node instance is gone"));
+		if (selection_filtered_out) {
+			session->send_message("limboai:untrack_bt_player", Array());
+			bt_view->clear();
+			_show_alert("");
+		} else {
+			_show_alert("BehaviorTree player is no longer present.");
+		}
 	}
 }
 
-void LimboDebuggerTab::_set_info_message(const String &p_message) {
-	info_message->set_text(p_message);
-	info_icon->set_texture(get_theme_icon(SNAME("NodeInfo"), SNAME("EditorIcons")));
-	info_box->set_visible(!p_message.is_empty());
-}
-
 void LimboDebuggerTab::_bt_selected(int p_idx) {
-	info_box->hide();
+	alert_box->hide();
 	bt_view->clear();
-	NodePath path = bt_list->get_item_text(p_idx);
+	info_message->set_text(TTR("Waiting for behavior tree update."));
+	info_message->show();
+	NodePath path = bt_player_list->get_item_text(p_idx);
 	Array data;
 	data.push_back(path);
-	session->send_message("limboai:track_bt_updates", data);
+	session->send_message("limboai:track_bt_player", data);
+}
+
+void LimboDebuggerTab::_filter_changed(String p_text) {
+	_update_bt_player_list(active_bt_players, p_text);
 }
 
 LimboDebuggerTab::LimboDebuggerTab(Ref<EditorDebuggerSession> p_session) {
@@ -83,39 +124,49 @@ LimboDebuggerTab::LimboDebuggerTab(Ref<EditorDebuggerSession> p_session) {
 	hsc = memnew(HSplitContainer);
 	add_child(hsc);
 
-	bt_list = memnew(ItemList);
+	VBoxContainer *list_box = memnew(VBoxContainer);
-	hsc->add_child(bt_list);
+	hsc->add_child(list_box);
-	bt_list->set_custom_minimum_size(Size2(240.0 * EDSCALE, 0.0));
+
-	bt_list->connect(SNAME("item_selected"), callable_mp(this, &LimboDebuggerTab::_bt_selected));
+	filter_players = memnew(LineEdit);
+	filter_players->set_placeholder(TTR("Filter Players"));
+	filter_players->connect(SNAME("text_changed"), callable_mp(this, &LimboDebuggerTab::_filter_changed));
+	list_box->add_child(filter_players);
+
+	bt_player_list = memnew(ItemList);
+	bt_player_list->set_custom_minimum_size(Size2(240.0 * EDSCALE, 0.0));
+	bt_player_list->set_h_size_flags(SIZE_FILL);
+	bt_player_list->set_v_size_flags(SIZE_EXPAND_FILL);
+	bt_player_list->connect(SNAME("item_selected"), callable_mp(this, &LimboDebuggerTab::_bt_selected));
+	list_box->add_child(bt_player_list);
 
 	view_box = memnew(VBoxContainer);
-	{
 	hsc->add_child(view_box);
 
 	bt_view = memnew(BehaviorTreeView);
-		view_box->add_child(bt_view);
 	bt_view->set_h_size_flags(Control::SIZE_EXPAND_FILL);
 	bt_view->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	view_box->add_child(bt_view);
 
-		info_box = memnew(HBoxContainer);
+	alert_box = memnew(HBoxContainer);
-		view_box->add_child(info_box);
+	alert_box->hide();
-		info_box->hide();
+	view_box->add_child(alert_box);
 
-		info_icon = memnew(TextureRect);
+	alert_icon = memnew(TextureRect);
-		info_box->add_child(info_icon);
+	alert_box->add_child(alert_icon);
-		info_icon->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
+	alert_icon->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
+
+	alert_message = memnew(Label);
+	alert_box->add_child(alert_message);
+	alert_message->set_vertical_alignment(VERTICAL_ALIGNMENT_CENTER);
 
 	info_message = memnew(Label);
-		info_box->add_child(info_message);
 	info_message->set_vertical_alignment(VERTICAL_ALIGNMENT_CENTER);
-	}
+	info_message->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
+	info_message->set_autowrap_mode(TextServer::AUTOWRAP_WORD_SMART);
+	info_message->set_custom_minimum_size(Size2(100 * EDSCALE, 0));
+	info_message->set_anchors_and_offsets_preset(PRESET_FULL_RECT, PRESET_MODE_KEEP_SIZE, 8 * EDSCALE);
 
-	message = memnew(Label);
+	bt_view->add_child(info_message);
-	add_child(message);
-	message->set_text(TTR("Run project to start debugging"));
-	message->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
-	message->set_vertical_alignment(VERTICAL_ALIGNMENT_CENTER);
-	message->set_anchors_preset(Control::PRESET_CENTER);
 
 	stop_session();
 }
@@ -133,12 +184,14 @@ void LimboDebuggerPlugin::setup_session(int p_idx) {
 
 bool LimboDebuggerPlugin::capture(const String &p_message, const Array &p_data, int p_session) {
 	bool captured = true;
-	if (p_message == "limboai:active_behavior_trees") {
+	if (p_message == "limboai:active_bt_players") {
-		tab->update_bt_list(p_data);
+		tab->update_active_bt_players(p_data);
 	} else if (p_message == "limboai:bt_update") {
 		BehaviorTreeData data = BehaviorTreeData();
 		data.deserialize(p_data);
-		tab->get_behavior_tree_view()->update_tree(data);
+		if (data.bt_player_path == tab->get_selected_bt_player()) {
+			tab->update_behavior_tree(data);
+		}
 	} else {
 		captured = false;
 	}

debugger/limbo_debugger_plugin.h

@@ -7,6 +7,7 @@
 #include "core/object/object.h"
 #include "core/typedefs.h"
 #include "editor/plugins/editor_debugger_plugin.h"
+#include "modules/limboai/debugger/behavior_tree_data.h"
 #include "modules/limboai/debugger/behavior_tree_view.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/item_list.h"
@@ -18,24 +19,30 @@ class LimboDebuggerTab : public PanelContainer {
 	GDCLASS(LimboDebuggerTab, PanelContainer);
 
 private:
+	List<String> active_bt_players;
 	Ref<EditorDebuggerSession> session;
 	HSplitContainer *hsc;
-	Label *message;
+	Label *info_message;
-	ItemList *bt_list;
+	ItemList *bt_player_list;
 	BehaviorTreeView *bt_view;
 	VBoxContainer *view_box;
-	HBoxContainer *info_box;
+	HBoxContainer *alert_box;
-	TextureRect *info_icon;
+	TextureRect *alert_icon;
-	Label *info_message;
+	Label *alert_message;
+	LineEdit *filter_players;
 
-	void _set_info_message(const String &p_message);
+	void _show_alert(const String &p_message);
+	void _update_bt_player_list(const List<String> &p_node_paths, const String &p_filter);
 	void _bt_selected(int p_idx);
+	void _filter_changed(String p_text);
 
 public:
 	void start_session();
 	void stop_session();
-	void update_bt_list(const Array &p_node_paths);
+	void update_active_bt_players(const Array &p_node_paths);
 	BehaviorTreeView *get_behavior_tree_view() const { return bt_view; }
+	String get_selected_bt_player();
+	void update_behavior_tree(const BehaviorTreeData &p_data);
 
 	LimboDebuggerTab(Ref<EditorDebuggerSession> p_session);
 };