Merge bbdafa9033 into ba90deaa6a

Feature: Bind `BlackboardPlan` variables to node properties in the Inspector

blackboard/blackboard_plan.cpp

@@ -13,9 +13,20 @@
 
 #include "../util/limbo_utility.h"
 
+#ifdef LIMBOAI_MODULE
+#include "editor/editor_inspector.h"
+#include "editor/editor_interface.h"
+#elif LIMBOAI_GDEXTENSION
+#include <godot_cpp/classes/editor_inspector.hpp>
+#include <godot_cpp/classes/editor_interface.hpp>
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/scene_tree.hpp>
+#endif
+
 bool BlackboardPlan::_set(const StringName &p_name, const Variant &p_value) {
 	String name_str = p_name;
 
+#ifdef TOOLS_ENABLED
 	// * Editor
 	if (var_map.has(p_name)) {
 		BBVariable &var = var_map[p_name];
@@ -26,29 +37,51 @@ bool BlackboardPlan::_set(const StringName &p_name, const Variant &p_value) {
 		}
 		return true;
 	}
+#endif // TOOLS_ENABLED
 
 	// * Mapping
 	if (name_str.begins_with("mapping/")) {
 		StringName mapped_var_name = name_str.get_slicec('/', 1);
 		StringName value = p_value;
-		bool properties_changed = false;
+		bool prop_list_changed = false;
 		if (value == StringName()) {
 			if (parent_scope_mapping.has(mapped_var_name)) {
-				properties_changed = true;
+				prop_list_changed = true;
 				parent_scope_mapping.erase(mapped_var_name);
 			}
 		} else {
 			if (!parent_scope_mapping.has(mapped_var_name)) {
-				properties_changed = true;
+				prop_list_changed = true;
 			}
 			parent_scope_mapping[mapped_var_name] = value;
 		}
-		if (properties_changed) {
+		if (prop_list_changed) {
 			notify_property_list_changed();
 		}
 		return true;
 	}
 
+	// * Binding
+	if (name_str.begins_with("binding/")) {
+		StringName bound_var = name_str.get_slicec('/', 1);
+		NodePath value = p_value;
+		bool prop_list_changed = false;
+		if (value.is_empty()) {
+			if (property_bindings.has(bound_var)) {
+				prop_list_changed = true;
+				property_bindings.erase(bound_var);
+			}
+		} else {
+			if (!property_bindings.has(bound_var)) {
+				prop_list_changed = true;
+			}
+			property_bindings[bound_var] = value;
+		}
+		if (prop_list_changed) {
+			notify_property_list_changed();
+		}
+	}
+
 	// * Storage
 	if (name_str.begins_with("var/")) {
 		StringName var_name = name_str.get_slicec('/', 1);
@@ -66,6 +99,8 @@ bool BlackboardPlan::_set(const StringName &p_name, const Variant &p_value) {
 			var_map[var_name].set_hint((PropertyHint)(int)p_value);
 		} else if (what == "hint_string") {
 			var_map[var_name].set_hint_string(p_value);
+		} else if (what == "property_binding") {
+			property_bindings[var_name] = NodePath(p_value);
 		} else {
 			return false;
 		}
@@ -78,28 +113,64 @@ bool BlackboardPlan::_set(const StringName &p_name, const Variant &p_value) {
 bool BlackboardPlan::_get(const StringName &p_name, Variant &r_ret) const {
 	String name_str = p_name;
 
+#ifdef TOOLS_ENABLED
 	// * Editor
 	if (var_map.has(p_name)) {
 		if (has_mapping(p_name)) {
 			r_ret = "Mapped to " + LimboUtility::get_singleton()->decorate_var(parent_scope_mapping[p_name]);
+		} else if (has_property_binding(p_name)) {
+			const NodePath &binding = property_bindings[p_name];
+
+			Node *edited_node = Object::cast_to<Node>(EditorInterface::get_singleton()->get_inspector()->get_edited_object());
+			if (!edited_node) {
+				edited_node = SCENE_TREE()->get_edited_scene_root();
+			}
+			Node *bound_node = edited_node ? edited_node->get_node_or_null(binding) : nullptr;
+
+			String shortened_path;
+			if (bound_node) {
+				shortened_path = (String)bound_node->get_name() +
+						":" + (String)binding.get_concatenated_subnames();
+			} else {
+				shortened_path = (String)binding.get_name(binding.get_name_count() - 1) +
+						":" + (String)binding.get_concatenated_subnames();
+			}
+			r_ret = String::utf8("🔗 ") + shortened_path;
 		} else {
 			r_ret = var_map[p_name].get_value();
 		}
 		return true;
 	}
+#endif // TOOLS_ENABLED
 
 	// * Mapping
 	if (name_str.begins_with("mapping/")) {
 		StringName mapped_var_name = name_str.get_slicec('/', 1);
 		ERR_FAIL_COND_V(mapped_var_name == StringName(), false);
-		if (parent_scope_mapping.has(mapped_var_name)) {
+		if (has_mapping(mapped_var_name)) {
 			r_ret = parent_scope_mapping[mapped_var_name];
+		} else if (has_property_binding(mapped_var_name)) {
+			r_ret = RTR("Already bound to property.");
 		} else {
 			r_ret = StringName();
 		}
 		return true;
 	}
 
+	// * Binding
+	if (name_str.begins_with("binding/")) {
+		StringName bound_var = name_str.get_slicec('/', 1);
+		ERR_FAIL_COND_V(bound_var == StringName(), false);
+		if (has_property_binding(bound_var)) {
+			r_ret = property_bindings[bound_var];
+		} else if (has_mapping(bound_var)) {
+			r_ret = RTR("Already mapped to variable.");
+		} else {
+			r_ret = NodePath();
+		}
+		return true;
+	}
+
 	// * Storage
 	if (!name_str.begins_with("var/")) {
 		return false;
@@ -127,14 +198,16 @@ void BlackboardPlan::_get_property_list(List<PropertyInfo> *p_list) const {
 		String var_name = p.first;
 		BBVariable var = p.second;
 
+#ifdef TOOLS_ENABLED
 		// * Editor
-		if (var.get_type() != Variant::NIL && (!is_derived() || !var_name.begins_with("_"))) {
-			if (has_mapping(var_name)) {
+		if (!_is_var_hidden(var_name, var)) {
+			if (has_mapping(var_name) || has_property_binding(var_name)) {
 				p_list->push_back(PropertyInfo(Variant::STRING, var_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_READ_ONLY));
 			} else {
 				p_list->push_back(PropertyInfo(var.get_type(), var_name, var.get_hint(), var.get_hint_string(), PROPERTY_USAGE_EDITOR));
 			}
 		}
+#endif // TOOLS_ENABLED
 
 		// * Storage
 		if (is_derived() && (!var.is_value_changed() || var.get_value() == base->var_map[var_name].get_value())) {
@@ -153,9 +226,32 @@ void BlackboardPlan::_get_property_list(List<PropertyInfo> *p_list) const {
 	if (is_mapping_enabled()) {
 		p_list->push_back(PropertyInfo(Variant::NIL, "Mapping", PROPERTY_HINT_NONE, "mapping/", PROPERTY_USAGE_GROUP));
 		for (const Pair<StringName, BBVariable> &p : var_list) {
-			// Serialize only non-empty mappings.
-			PropertyUsageFlags usage = has_mapping(p.first) ? PROPERTY_USAGE_DEFAULT : PROPERTY_USAGE_EDITOR;
-			p_list->push_back(PropertyInfo(Variant::STRING_NAME, "mapping/" + p.first, PROPERTY_HINT_NONE, "", usage));
+			if (_is_var_hidden(p.first, p.second)) {
+				continue;
+			}
+			if (unlikely(has_property_binding(p.first))) {
+				p_list->push_back(PropertyInfo(Variant::STRING, "mapping/" + p.first, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_READ_ONLY));
+			} else {
+				// Serialize only non-empty mappings.
+				PropertyUsageFlags usage = has_mapping(p.first) ? PROPERTY_USAGE_DEFAULT : PROPERTY_USAGE_EDITOR;
+				p_list->push_back(PropertyInfo(Variant::STRING_NAME, "mapping/" + p.first, PROPERTY_HINT_NONE, "", usage));
+			}
+		}
+	}
+
+	// * Binding
+	p_list->push_back(PropertyInfo(Variant::NIL, "Binding", PROPERTY_HINT_NONE, "binding/", PROPERTY_USAGE_GROUP));
+	for (const Pair<StringName, BBVariable> &p : var_list) {
+		if (_is_var_hidden(p.first, p.second)) {
+			continue;
+		}
+		if (unlikely(has_mapping(p.first))) {
+			p_list->push_back(PropertyInfo(Variant::STRING, "binding/" + p.first, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_READ_ONLY));
+		} else {
+			PropertyUsageFlags usage = has_property_binding(p.first) ? PROPERTY_USAGE_DEFAULT : PROPERTY_USAGE_EDITOR;
+			// PROPERTY_HINT_LINK is used to signal that NodePath should point to a property.
+			// Our inspector plugin will know how to handle it.
+			p_list->push_back(PropertyInfo(Variant::NODE_PATH, "binding/" + p.first, PROPERTY_HINT_LINK, itos(p.second.get_type()), usage));
 		}
 	}
 }
@@ -199,6 +295,11 @@ bool BlackboardPlan::has_mapping(const StringName &p_name) const {
 	return is_mapping_enabled() && parent_scope_mapping.has(p_name) && parent_scope_mapping[p_name] != StringName();
 }
 
+void BlackboardPlan::set_property_binding(const StringName &p_name, const NodePath &p_path) {
+	property_bindings[p_name] = p_path;
+	emit_changed();
+}
+
 void BlackboardPlan::set_prefetch_nodepath_vars(bool p_enable) {
 	prefetch_nodepath_vars = p_enable;
 	emit_changed();
@@ -410,8 +511,9 @@ void BlackboardPlan::populate_blackboard(const Ref<Blackboard> &p_blackboard, bo
 #endif
 			continue;
 		}
+		bool is_bound = has_property_binding(p.first) || (is_derived() && get_base_plan()->has_property_binding(p.first));
 		bool has_mapping = parent_scope_mapping.has(p.first);
-		bool do_prefetch = !has_mapping && prefetch_nodepath_vars;
+		bool do_prefetch = !is_bound && !has_mapping && prefetch_nodepath_vars;
 
 		// Add a variable duplicate to the blackboard, optionally with NodePath prefetch.
 		BBVariable var = p.second.duplicate(true);
@@ -433,6 +535,24 @@ void BlackboardPlan::populate_blackboard(const Ref<Blackboard> &p_blackboard, bo
 				ERR_CONTINUE_MSG(p_blackboard->get_parent() == nullptr, vformat("BlackboardPlan: Cannot link variable %s to parent scope because the parent scope is not set.", LimboUtility::get_singleton()->decorate_var(p.first)));
 				p_blackboard->link_var(p.first, p_blackboard->get_parent(), target_var);
 			}
+		} else if (is_bound) {
+			// Bind variable to a property of a scene node.
+			NodePath binding_path;
+			Node *binding_root;
+			if (has_property_binding(p.first)) {
+				binding_path = property_bindings[p.first];
+				binding_root = p_prefetch_root;
+			} else {
+				binding_path = get_base_plan()->property_bindings[p.first];
+				binding_root = p_prefetch_root_for_base_plan;
+			}
+			ERR_CONTINUE_MSG(binding_path.get_subname_count() != 1, vformat("BlackboardPlan: Can't bind variable %s using property path that contains multiple sub-names: %s", LimboUtility::get_singleton()->decorate_var(p.first), binding_path));
+			NodePath node_path{ binding_path.get_concatenated_names() };
+			StringName prop_name = binding_path.get_subname(0);
+			// TODO: Implement binding for base plan as well.
+			Node *n = binding_root->get_node_or_null(node_path);
+			ERR_CONTINUE_MSG(n == nullptr, vformat("BlackboardPlan: Binding failed for variable %s using property path: %s", LimboUtility::get_singleton()->decorate_var(p.first), binding_path));
+			var.bind(n, prop_name);
 		}
 	}
 }

blackboard/blackboard_plan.h

@@ -34,18 +34,25 @@ private:
 	// When base is not null, the plan is considered to be derived from the base plan.
 	// A derived plan can only have variables that exist in the base plan,
 	// and only the values can be different in those variables.
+	// The derived plan is synced with the base plan to maintain consistency.
 	Ref<BlackboardPlan> base;
 
 	// Mapping between variables in this plan and their parent scope names.
 	// Used for linking variables to their parent scope counterparts upon Blackboard creation/population.
 	HashMap<StringName, StringName> parent_scope_mapping;
-	// Fetcher function for the parent scope plan. Funtion should return a Ref<BlackboardPlan>.
-	// Used in the inspector. When set, mapping feature becomes available.
+	// Fetcher function for the parent scope plan. Function should return a Ref<BlackboardPlan>.
+	// Used in the inspector: enables mapping feature when set.
 	Callable parent_scope_plan_provider;
 
+	// Bindings to properties in the scene to which this plan belongs.
+	HashMap<StringName, NodePath> property_bindings;
+	bool property_binding_enabled = false;
+
 	// If true, NodePath variables will be prefetched, so that the vars will contain node pointers instead (upon BB creation/population).
 	bool prefetch_nodepath_vars = true;
 
+	_FORCE_INLINE_ bool _is_var_hidden(const String &p_name, const BBVariable &p_var) const { return p_var.get_type() == Variant::NIL || (is_derived() && p_name.begins_with("_")); }
+
 protected:
 	static void _bind_methods();
 
@@ -69,6 +76,10 @@ public:
 	bool is_mapping_enabled() const { return parent_scope_plan_provider.is_valid() && (parent_scope_plan_provider.call() != Ref<BlackboardPlan>()); }
 	bool has_mapping(const StringName &p_name) const;
 
+	bool has_property_binding(const StringName &p_name) const { return property_bindings.has(p_name); }
+	void set_property_binding(const StringName &p_name, const NodePath &p_path);
+	NodePath get_property_binding(const StringName &p_name) const { return property_bindings.has(p_name) ? property_bindings[p_name] : NodePath(); }
+
 	void set_prefetch_nodepath_vars(bool p_enable);
 	bool is_prefetching_nodepath_vars() const;
 

editor/editor_property_property_path.cpp

@@ -0,0 +1,238 @@
+/**
+ * editor_property_path.cpp
+ * =============================================================================
+ * Copyright 2021-2024 Serhii Snitsaruk
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ * =============================================================================
+ */
+
+#include "editor_property_property_path.h"
+
+#include "../util/limbo_compat.h"
+#include "../util/limbo_string_names.h"
+
+#ifdef LIMBOAI_MODULE
+#include "editor/editor_data.h"
+#include "editor/editor_interface.h"
+#include "servers/display_server.h"
+#endif
+
+#ifdef LIMBOAI_GDEXTENSION
+#include <godot_cpp/classes/display_server.hpp>
+#include <godot_cpp/classes/editor_inspector.hpp>
+#include <godot_cpp/classes/editor_interface.hpp>
+#include <godot_cpp/classes/editor_selection.hpp>
+#include <godot_cpp/classes/h_box_container.hpp>
+#include <godot_cpp/classes/popup_menu.hpp>
+#include <godot_cpp/classes/scene_tree.hpp>
+#endif // LIMBOAI_MODULE
+
+#ifdef TOOLS_ENABLED
+
+namespace {
+
+Node *_get_base_node(Object *p_edited_object, SceneTree *p_scene_tree) {
+	Node *base_node = Object::cast_to<Node>(p_edited_object);
+	if (!base_node) {
+		base_node = Object::cast_to<Node>(EditorInterface::get_singleton()->get_inspector()->get_edited_object());
+	}
+	if (!base_node) {
+		base_node = p_scene_tree->get_edited_scene_root();
+	}
+	return base_node;
+}
+
+} // unnamed namespace
+
+Node *EditorPropertyPropertyPath::_get_selected_node() {
+	ERR_FAIL_NULL_V(get_edited_object(), nullptr);
+
+	NodePath path = get_edited_object()->get(get_edited_property());
+	if (path.is_empty()) {
+		return nullptr;
+	}
+
+	Node *base_node = _get_base_node(get_edited_object(), get_tree());
+	ERR_FAIL_NULL_V(base_node, nullptr);
+	Node *selected_node = base_node->get_node_or_null(path);
+	return selected_node;
+}
+
+void EditorPropertyPropertyPath::_action_selected(int p_idx) {
+	switch (p_idx) {
+		case ACTION_CLEAR: {
+			emit_changed(get_edited_property(), NodePath());
+		} break;
+		case ACTION_COPY: {
+			DisplayServer::get_singleton()->clipboard_set(get_edited_object()->get(get_edited_property()));
+		} break;
+		case ACTION_EDIT: {
+			assign_button->hide();
+			action_menu->hide();
+			path_edit->show();
+			path_edit->set_text(get_edited_object()->get(get_edited_property()));
+			path_edit->grab_focus();
+		} break;
+		case ACTION_SELECT: {
+			Node *selected_node = _get_selected_node();
+			if (selected_node) {
+				EditorInterface::get_singleton()->get_selection()->clear();
+				EditorInterface::get_singleton()->get_selection()->add_node(selected_node);
+			}
+		} break;
+	}
+}
+
+void EditorPropertyPropertyPath::_accept_text() {
+	path_edit->hide();
+	assign_button->show();
+	action_menu->show();
+	emit_changed(get_edited_property(), path_edit->get_text());
+}
+
+void EditorPropertyPropertyPath::_property_selected(const NodePath &p_property_path, const NodePath &p_node_path) {
+	if (p_property_path.is_empty()) {
+		return;
+	}
+	Node *base_node = _get_base_node(get_edited_object(), get_tree());
+	ERR_FAIL_NULL(base_node);
+	Node *selected_node = get_tree()->get_edited_scene_root()->get_node_or_null(p_node_path);
+	ERR_FAIL_NULL(selected_node);
+	NodePath path = String(base_node->get_path_to(selected_node)) + String(p_property_path);
+
+	emit_changed(get_edited_property(), path);
+	update_property();
+}
+
+void EditorPropertyPropertyPath::_node_selected(const NodePath &p_path) {
+	if (p_path.is_empty()) {
+		return;
+	}
+	Node *selected_node = get_tree()->get_edited_scene_root()->get_node_or_null(p_path);
+	ERR_FAIL_NULL(selected_node);
+	EditorInterface::get_singleton()->popup_property_selector(
+			selected_node,
+			callable_mp(this, &EditorPropertyPropertyPath::_property_selected).bind(p_path),
+			valid_types);
+}
+
+void EditorPropertyPropertyPath::_choose_property() {
+	EditorInterface::get_singleton()->popup_node_selector(callable_mp(this, &EditorPropertyPropertyPath::_node_selected));
+}
+
+void EditorPropertyPropertyPath::_set_read_only(bool p_read_only) {
+	assign_button->set_disabled(p_read_only);
+	action_menu->set_disabled(p_read_only);
+}
+
+#ifdef LIMBOAI_MODULE
+void EditorPropertyPropertyPath::update_property() {
+#elif LIMBOAI_GDEXTENSION
+void EditorPropertyPropertyPath::_update_property() {
+#endif
+	NodePath path = get_edited_object()->get(get_edited_property());
+	if (path.is_empty()) {
+		assign_button->set_text(TTR("Bind..."));
+	} else {
+		Node *base_node = _get_base_node(get_edited_object(), get_tree());
+		ERR_FAIL_NULL(base_node);
+		Node *selected_node = base_node->get_node_or_null(path);
+		String text;
+		if (selected_node) {
+			text = (String)selected_node->get_name() +
+					":" + (String)path.get_concatenated_subnames();
+		} else {
+			text = (String)path;
+		}
+		assign_button->set_text(text);
+		assign_button->set_tooltip_text(path);
+	}
+}
+
+void EditorPropertyPropertyPath::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE:
+		case NOTIFICATION_THEME_CHANGED: {
+			BUTTON_SET_ICON(action_menu, get_theme_icon(LW_NAME(GuiTabMenuHl), LW_NAME(EditorIcons)));
+			action_menu->get_popup()->set_item_icon(ACTION_CLEAR, get_theme_icon(LW_NAME(Clear), LW_NAME(EditorIcons)));
+			action_menu->get_popup()->set_item_icon(ACTION_COPY, get_theme_icon(LW_NAME(ActionCopy), LW_NAME(EditorIcons)));
+			action_menu->get_popup()->set_item_icon(ACTION_EDIT, get_theme_icon(LW_NAME(Edit), LW_NAME(EditorIcons)));
+			action_menu->get_popup()->set_item_icon(ACTION_SELECT, get_theme_icon(LW_NAME(ExternalLink), LW_NAME(EditorIcons)));
+		} break;
+	}
+}
+
+void EditorPropertyPropertyPath::setup(const PackedInt32Array &p_valid_types) {
+	valid_types = p_valid_types;
+}
+
+EditorPropertyPropertyPath::EditorPropertyPropertyPath() {
+	HBoxContainer *hb = memnew(HBoxContainer);
+	add_child(hb);
+	hb->add_theme_constant_override(LW_NAME(separation), 0);
+
+	assign_button = memnew(Button);
+	hb->add_child(assign_button);
+	assign_button->set_flat(true);
+	assign_button->set_text(TTR("Bind..."));
+	assign_button->set_clip_text(true);
+	assign_button->set_h_size_flags(SIZE_EXPAND_FILL);
+	assign_button->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
+	assign_button->connect(LW_NAME(pressed), callable_mp(this, &EditorPropertyPropertyPath::_choose_property));
+
+	path_edit = memnew(LineEdit);
+	hb->add_child(path_edit);
+	path_edit->set_h_size_flags(SIZE_EXPAND_FILL);
+	path_edit->connect(LW_NAME(focus_exited), callable_mp(this, &EditorPropertyPropertyPath::_accept_text));
+	path_edit->connect(LW_NAME(text_submitted), callable_mp(this, &EditorPropertyPropertyPath::_accept_text).unbind(1));
+	path_edit->hide();
+
+	action_menu = memnew(MenuButton);
+	action_menu->get_popup()->add_item(TTR("Clear"), ACTION_CLEAR);
+	action_menu->get_popup()->add_item(TTR("Copy as Text"), ACTION_COPY);
+	action_menu->get_popup()->add_item(TTR("Edit"), ACTION_EDIT);
+	action_menu->get_popup()->add_item(TTR("Show Node in Tree"), ACTION_SELECT);
+	action_menu->get_popup()->connect(LW_NAME(id_pressed), callable_mp(this, &EditorPropertyPropertyPath::_action_selected));
+	hb->add_child(action_menu);
+}
+
+//***** EditorInspectorPluginPropertyPath
+
+#ifdef LIMBOAI_MODULE
+bool EditorInspectorPluginPropertyPath::can_handle(Object *p_object) {
+#elif LIMBOAI_GDEXTENSION
+bool EditorInspectorPluginPropertyPath::_can_handle(Object *p_object) const {
+#endif
+	return true;
+}
+
+#ifdef LIMBOAI_MODULE
+bool EditorInspectorPluginPropertyPath::parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide) {
+#elif LIMBOAI_GDEXTENSION
+bool EditorInspectorPluginPropertyPath::_parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide) {
+#endif
+	if (p_type != Variant::NODE_PATH || p_hint != PROPERTY_HINT_LINK) {
+		return false;
+	}
+
+	EditorPropertyPropertyPath *ed = memnew(EditorPropertyPropertyPath);
+
+	// Convert the hint text to an array of valid types.
+	PackedInt32Array valid_types;
+	PackedStringArray type_specifiers = p_hint_text.split(",");
+	for (const String &t : type_specifiers) {
+		if (t.is_valid_int()) {
+			valid_types.append(t.to_int());
+		}
+	}
+	ed->setup(valid_types);
+
+	add_property_editor(p_path, ed);
+
+	return true;
+}
+
+#endif // TOOLS_ENABLED

editor/editor_property_property_path.h

@@ -0,0 +1,98 @@
+/**
+ * editor_property_path.h
+ * =============================================================================
+ * Copyright 2021-2024 Serhii Snitsaruk
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ * =============================================================================
+ */
+
+#ifndef EDITOR_PROPERTY_PROPERTY_PATH
+#define EDITOR_PROPERTY_PROPERTY_PATH
+
+#ifdef TOOLS_ENABLED
+
+#ifdef LIMBOAI_MODULE
+#include "editor/editor_inspector.h"
+#include "scene/gui/line_edit.h"
+#include "scene/gui/menu_button.h"
+#endif // LIMBOAI_MODULE
+
+#ifdef LIMBOAI_GDEXTENSION
+#include <godot_cpp/classes/button.hpp>
+#include <godot_cpp/classes/editor_inspector_plugin.hpp>
+#include <godot_cpp/classes/editor_property.hpp>
+#include <godot_cpp/classes/line_edit.hpp>
+#include <godot_cpp/classes/menu_button.hpp>
+using namespace godot;
+#endif // LIMBOAI_GDEXTENSION
+
+// Specialized property editor for NodePath properties that represent a path to a specific property instead of just a node.
+// Handles NodePath properties that have PROPERTY_HINT_LINK.
+// Hint string can list the valid Variant types as comma-separated integers.
+class EditorPropertyPropertyPath : public EditorProperty {
+	GDCLASS(EditorPropertyPropertyPath, EditorProperty);
+
+private:
+	enum Action {
+		ACTION_CLEAR,
+		ACTION_COPY,
+		ACTION_EDIT,
+		ACTION_SELECT,
+	};
+
+	Button *assign_button;
+	MenuButton *action_menu;
+	LineEdit *path_edit;
+
+	PackedInt32Array valid_types;
+
+	Node *_get_selected_node();
+	void _action_selected(int p_idx);
+	void _accept_text();
+	void _property_selected(const NodePath &p_property_path, const NodePath &p_node_path);
+	void _node_selected(const NodePath &p_path);
+	void _choose_property();
+
+protected:
+	static void _bind_methods() {}
+	void _notification(int p_what);
+
+public:
+	// Note: Needs to be public in GDExtension.
+	virtual void _set_read_only(bool p_read_only) override;
+
+#ifdef LIMBOAI_MODULE
+	virtual void update_property() override;
+#elif LIMBOAI_GDEXTENSION
+	virtual void _update_property() override;
+#endif
+
+	void setup(const PackedInt32Array &p_valid_types);
+	EditorPropertyPropertyPath();
+};
+
+class EditorInspectorPluginPropertyPath : public EditorInspectorPlugin {
+	GDCLASS(EditorInspectorPluginPropertyPath, EditorInspectorPlugin);
+
+private:
+protected:
+	static void _bind_methods() {}
+
+public:
+#ifdef LIMBOAI_MODULE
+	virtual bool can_handle(Object *p_object) override;
+	virtual bool parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide = false) override;
+#elif LIMBOAI_GDEXTENSION
+	virtual bool _can_handle(Object *p_object) const override;
+	virtual bool _parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide = false) override;
+#endif
+
+	EditorInspectorPluginPropertyPath() = default;
+};
+
+#endif // TOOLS_ENABLED
+
+#endif // EDITOR_PROPERTY_PROPERTY_PATH

editor/editor_property_variable_name.cpp

@@ -245,6 +245,11 @@ bool EditorInspectorPluginVariableName::parse_property(Object *p_object, const V
 #elif LIMBOAI_GDEXTENSION
 bool EditorInspectorPluginVariableName::_parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide) {
 #endif
+	if (p_usage & PROPERTY_USAGE_READ_ONLY) {
+		// Don't handle read-only properties using this plugin.
+		return false;
+	}
+
 	bool is_mapping = p_path.begins_with("mapping/");
 	if (!(p_type == Variant::Type::STRING_NAME || p_type == Variant::Type::STRING) || !(is_mapping || p_path.ends_with("_var") || p_path.ends_with("variable"))) {
 		return false;

editor/limbo_ai_editor_plugin.cpp

@@ -25,6 +25,7 @@
 #include "blackboard_plan_editor.h"
 #include "debugger/limbo_debugger_plugin.h"
 #include "editor_property_bb_param.h"
+#include "editor_property_property_path.h"
 
 #ifdef LIMBOAI_MODULE
 #include "core/config/project_settings.h"
@@ -35,6 +36,7 @@
 #include "editor/editor_file_system.h"
 #include "editor/editor_help.h"
 #include "editor/editor_interface.h"
+#include "editor/editor_main_screen.h"
 #include "editor/editor_paths.h"
 #include "editor/editor_settings.h"
 #include "editor/filesystem_dock.h"
@@ -1918,9 +1920,13 @@ void LimboAIEditorPlugin::_notification(int p_notification) {
 		case NOTIFICATION_READY: {
 			add_debugger_plugin(memnew(LimboDebuggerPlugin));
 			add_inspector_plugin(memnew(EditorInspectorPluginBBPlan));
+
 			EditorInspectorPluginVariableName *var_plugin = memnew(EditorInspectorPluginVariableName);
 			var_plugin->set_editor_plan_provider(Callable(limbo_ai_editor, "get_edited_blackboard_plan"));
 			add_inspector_plugin(var_plugin);
+
+			EditorInspectorPluginPropertyPath *path_plugin = memnew(EditorInspectorPluginPropertyPath);
+			add_inspector_plugin(path_plugin);
 #ifdef LIMBOAI_MODULE
 			// ! Only used in the module version.
 			EditorInspectorPluginBBParam *param_plugin = memnew(EditorInspectorPluginBBParam);

register_types.cpp

@@ -120,6 +120,7 @@
 #endif // LIMBOAI_MODULE
 
 #ifdef LIMBOAI_GDEXTENSION
+#include "editor/editor_property_property_path.h"
 #include <godot_cpp/classes/engine.hpp>
 #include <godot_cpp/core/class_db.hpp>
 #include <godot_cpp/core/memory.hpp>
@@ -250,24 +251,26 @@ void initialize_limboai_module(ModuleInitializationLevel p_level) {
 #ifdef TOOLS_ENABLED
 	if (p_level == MODULE_INITIALIZATION_LEVEL_EDITOR) {
 #ifdef LIMBOAI_GDEXTENSION
-		GDREGISTER_CLASS(TaskTree);
-		GDREGISTER_CLASS(TaskButton);
-		GDREGISTER_CLASS(TaskPaletteSection);
-		GDREGISTER_CLASS(TaskPalette);
-		GDREGISTER_CLASS(ActionBanner);
-		GDREGISTER_CLASS(ModeSwitchButton);
-		GDREGISTER_CLASS(CompatShortcutBin);
-		GDREGISTER_CLASS(CompatScreenSelect);
-		GDREGISTER_CLASS(CompatWindowWrapper);
-		GDREGISTER_CLASS(LimboDebuggerTab);
-		GDREGISTER_CLASS(LimboDebuggerPlugin);
-		GDREGISTER_CLASS(BlackboardPlanEditor);
-		GDREGISTER_CLASS(EditorInspectorPluginBBPlan);
-		GDREGISTER_CLASS(EditorPropertyVariableName);
-		GDREGISTER_CLASS(EditorInspectorPluginVariableName);
-		GDREGISTER_CLASS(OwnerPicker);
-		GDREGISTER_CLASS(LimboAIEditor);
-		GDREGISTER_CLASS(LimboAIEditorPlugin);
+		GDREGISTER_INTERNAL_CLASS(TaskTree);
+		GDREGISTER_INTERNAL_CLASS(TaskButton);
+		GDREGISTER_INTERNAL_CLASS(TaskPaletteSection);
+		GDREGISTER_INTERNAL_CLASS(TaskPalette);
+		GDREGISTER_INTERNAL_CLASS(ActionBanner);
+		GDREGISTER_INTERNAL_CLASS(ModeSwitchButton);
+		GDREGISTER_INTERNAL_CLASS(CompatShortcutBin);
+		GDREGISTER_INTERNAL_CLASS(CompatScreenSelect);
+		GDREGISTER_INTERNAL_CLASS(CompatWindowWrapper);
+		GDREGISTER_INTERNAL_CLASS(LimboDebuggerTab);
+		GDREGISTER_INTERNAL_CLASS(LimboDebuggerPlugin);
+		GDREGISTER_INTERNAL_CLASS(BlackboardPlanEditor);
+		GDREGISTER_INTERNAL_CLASS(EditorInspectorPluginBBPlan);
+		GDREGISTER_INTERNAL_CLASS(EditorInspectorPluginPropertyPath);
+		GDREGISTER_INTERNAL_CLASS(EditorPropertyPropertyPath);
+		GDREGISTER_INTERNAL_CLASS(EditorPropertyVariableName);
+		GDREGISTER_INTERNAL_CLASS(EditorInspectorPluginVariableName);
+		GDREGISTER_INTERNAL_CLASS(OwnerPicker);
+		GDREGISTER_INTERNAL_CLASS(LimboAIEditor);
+		GDREGISTER_INTERNAL_CLASS(LimboAIEditorPlugin);
 		GDREGISTER_INTERNAL_CLASS(TreeSearchPanel);
 		GDREGISTER_INTERNAL_CLASS(TreeSearch);
 #endif // LIMBOAI_GDEXTENSION

util/limbo_compat.cpp

@@ -17,6 +17,7 @@
 #include "core/io/resource.h"
 #include "core/variant/variant.h"
 #include "editor/editor_node.h"
+#include "editor/editor_main_screen.h"
 #include "editor/plugins/script_editor_plugin.h"
 #endif // TOOLS_ENABLED
 
@@ -213,7 +214,7 @@ Variant VARIANT_DEFAULT(Variant::Type p_type) {
 void SHOW_BUILTIN_DOC(const String &p_topic) {
 #ifdef LIMBOAI_MODULE
 	ScriptEditor::get_singleton()->goto_help(p_topic);
-	EditorNode::get_singleton()->set_visible_editor(EditorNode::EDITOR_SCRIPT);
+	EditorNode::get_singleton()->get_editor_main_screen()->select(EditorMainScreen::EDITOR_SCRIPT);
 #elif LIMBOAI_GDEXTENSION
 	TypedArray<ScriptEditorBase> open_editors = EditorInterface::get_singleton()->get_script_editor()->get_open_script_editors();
 	ERR_FAIL_COND_MSG(open_editors.size() == 0, "Can't open help page. Need at least one script open in the script editor.");

util/limbo_compat.h

@@ -28,7 +28,7 @@
 #define EDITOR_FILE_SYSTEM() (EditorFileSystem::get_singleton())
 #define EDITOR_SETTINGS() (EditorSettings::get_singleton())
 #define BASE_CONTROL() (EditorNode::get_singleton()->get_gui_base())
-#define MAIN_SCREEN_CONTROL() (EditorNode::get_singleton()->get_main_screen_control())
+#define MAIN_SCREEN_CONTROL() (EditorNode::get_singleton()->get_editor_main_screen()->get_control())
 #define SCENE_TREE() (SceneTree::get_singleton())
 #define IS_DEBUGGER_ACTIVE() (EngineDebugger::is_active())
 #define FS_DOCK_SELECT_FILE(m_path) FileSystemDock::get_singleton()->select_file(m_path)
@@ -47,7 +47,7 @@
 #define GET_PROJECT_SETTINGS_DIR() EditorPaths::get_singleton()->get_project_settings_dir()
 #define EDIT_RESOURCE(m_res) EditorNode::get_singleton()->edit_resource(m_res)
 #define INSPECTOR_GET_EDITED_OBJECT() (InspectorDock::get_inspector_singleton()->get_edited_object())
-#define SET_MAIN_SCREEN_EDITOR(m_name) (EditorNode::get_singleton()->select_editor_by_name(m_name))
+#define SET_MAIN_SCREEN_EDITOR(m_name) (EditorNode::get_singleton()->get_editor_main_screen()->select_by_name(m_name))
 #define FILE_EXISTS(m_path) FileAccess::exists(m_path)
 #define DIR_ACCESS_CREATE() DirAccess::create(DirAccess::ACCESS_RESOURCES)
 #define PERFORMANCE_ADD_CUSTOM_MONITOR(m_id, m_callable) (Performance::get_singleton()->add_custom_monitor(m_id, m_callable, Variant()))
@@ -85,7 +85,7 @@ using namespace godot;
 #define EDITOR_FILE_SYSTEM() (EditorInterface::get_singleton()->get_resource_filesystem())
 #define EDITOR_SETTINGS() (EditorInterface::get_singleton()->get_editor_settings())
 #define BASE_CONTROL() (EditorInterface::get_singleton()->get_base_control())
-#define MAIN_SCREEN_CONTROL() (EditorInterface::get_singleton()->get_editor_main_screen())
+#define MAIN_SCREEN_CONTROL() (EditorInterface::get_singleton()->get_editor_main_screen()->get_control())
 #define SCENE_TREE() ((SceneTree *)(Engine::get_singleton()->get_main_loop()))
 #define IS_DEBUGGER_ACTIVE() (EngineDebugger::get_singleton()->is_active())
 #define FS_DOCK_SELECT_FILE(m_path) EditorInterface::get_singleton()->get_file_system_dock()->navigate_to_path(m_path)
@@ -152,6 +152,7 @@ Variant _GLOBAL_DEF(const PropertyInfo &p_info, const Variant &p_default, bool p
 #define EDSCALE (EditorInterface::get_singleton()->get_editor_scale())
 
 String TTR(const String &p_text, const String &p_context = "");
+#define RTR(m_text) TTR(m_text)
 
 #endif // ! LIMBOAI_GDEXTENSION
 

util/limbo_string_names.cpp

@@ -47,6 +47,7 @@ LimboStringNames::LimboStringNames() {
 	button_up = SN("button_up");
 	call_deferred = SN("call_deferred");
 	changed = SN("changed");
+	Clear = SN("Clear");
 	Close = SN("Close");
 	dark_color_2 = SN("dark_color_2");
 	Debug = SN("Debug");
@@ -67,6 +68,7 @@ LimboStringNames::LimboStringNames() {
 	EVENT_FINISHED = SN("finished");
 	EVENT_SUCCESS = SN("success");
 	exited = SN("exited");
+	ExternalLink = SN("ExternalLink");
 	favorite_tasks_changed = SN("favorite_tasks_changed");
 	Favorites = SN("Favorites");
 	FlatButton = SN("FlatButton");
@@ -78,6 +80,7 @@ LimboStringNames::LimboStringNames() {
 	freed = SN("freed");
 	gui_input = SN("gui_input");
 	GuiOptionArrow = SN("GuiOptionArrow");
+	GuiTabMenuHl = SN("GuiTabMenuHl");
 	GuiTreeArrowDown = SN("GuiTreeArrowDown");
 	GuiTreeArrowRight = SN("GuiTreeArrowRight");
 	HeaderSmall = SN("HeaderSmall");

util/limbo_string_names.h

@@ -63,6 +63,7 @@ public:
 	StringName button_up;
 	StringName call_deferred;
 	StringName changed;
+	StringName Clear;
 	StringName Close;
 	StringName dark_color_2;
 	StringName Debug;
@@ -83,6 +84,7 @@ public:
 	StringName EVENT_FINISHED;
 	StringName EVENT_SUCCESS;
 	StringName exited;
+	StringName ExternalLink;
 	StringName favorite_tasks_changed;
 	StringName Favorites;
 	StringName FlatButton;
@@ -94,6 +96,7 @@ public:
 	StringName freed;
 	StringName gui_input;
 	StringName GuiOptionArrow;
+	StringName GuiTabMenuHl;
 	StringName GuiTreeArrowDown;
 	StringName GuiTreeArrowRight;
 	StringName HeaderSmall;

util/limbo_utility.cpp

@@ -416,6 +416,12 @@ String LimboUtility::get_property_hint_text(PropertyHint p_hint) const {
 		case PROPERTY_HINT_MAX: {
 			return "MAX";
 		}
+		case PROPERTY_HINT_DICTIONARY_TYPE: {
+			return "DICTIONARY_TYPE";
+		}
+		case PROPERTY_HINT_TOOL_BUTTON: {
+			return "TOOL_BUTTON";
+		}
 	}
 	return "";
 }