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limboai/editor/limbo_ai_editor_plugin.cpp

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/**
* limbo_ai_editor_plugin.cpp
* =============================================================================
* Copyright 2021-2023 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.
* =============================================================================
*/
#ifdef TOOLS_ENABLED
#include "limbo_ai_editor_plugin.h"
#include "../bt/behavior_tree.h"
#include "../bt/tasks/bt_comment.h"
#include "../bt/tasks/composites/bt_probability_selector.h"
#include "../bt/tasks/composites/bt_selector.h"
#include "../bt/tasks/decorators/bt_subtree.h"
#include "../util/limbo_compat.h"
#include "../util/limbo_utility.h"
#include "action_banner.h"
#include "blackboard_plan_editor.h"
#include "debugger/limbo_debugger_plugin.h"
#include "editor_property_bb_param.h"
#ifdef LIMBOAI_MODULE
#include "core/config/project_settings.h"
#include "core/error/error_macros.h"
#include "core/input/input.h"
#include "editor/debugger/editor_debugger_node.h"
#include "editor/debugger/script_editor_debugger.h"
#include "editor/editor_file_system.h"
#include "editor/editor_help.h"
#include "editor/editor_paths.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/inspector_dock.h"
#include "editor/plugins/script_editor_plugin.h"
#include "editor/project_settings_editor.h"
#include "scene/gui/panel_container.h"
#include "scene/gui/separator.h"
#endif // LIMBOAI_MODULE
#ifdef LIMBOAI_GDEXTENSION
#include <godot_cpp/classes/button_group.hpp>
#include <godot_cpp/classes/config_file.hpp>
#include <godot_cpp/classes/dir_access.hpp>
#include <godot_cpp/classes/display_server.hpp>
#include <godot_cpp/classes/editor_file_system.hpp>
#include <godot_cpp/classes/editor_inspector.hpp>
#include <godot_cpp/classes/editor_interface.hpp>
#include <godot_cpp/classes/editor_paths.hpp>
#include <godot_cpp/classes/editor_settings.hpp>
#include <godot_cpp/classes/editor_undo_redo_manager.hpp>
#include <godot_cpp/classes/file_access.hpp>
#include <godot_cpp/classes/input.hpp>
#include <godot_cpp/classes/input_event.hpp>
#include <godot_cpp/classes/project_settings.hpp>
#include <godot_cpp/classes/ref_counted.hpp>
#include <godot_cpp/classes/resource_loader.hpp>
#include <godot_cpp/classes/resource_saver.hpp>
#include <godot_cpp/classes/script.hpp>
#include <godot_cpp/classes/script_editor.hpp>
#include <godot_cpp/classes/script_editor_base.hpp>
#include <godot_cpp/classes/v_separator.hpp>
#include <godot_cpp/core/error_macros.hpp>
#endif // LIMBOAI_GDEXTENSION
//**** LimboAIEditor
_FORCE_INLINE_ String _get_script_template_path() {
String templates_search_path = GLOBAL_GET("editor/script/templates_search_path");
return templates_search_path.path_join("BTTask").path_join("custom_task.gd");
}
void LimboAIEditor::_add_task(const Ref<BTTask> &p_task) {
if (task_tree->get_bt().is_null()) {
return;
}
ERR_FAIL_COND(p_task.is_null());
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
undo_redo->create_action(TTR("Add BT Task"));
int insert_idx = -1;
Ref<BTTask> selected = task_tree->get_selected();
Ref<BTTask> parent = selected;
if (parent.is_null()) {
// When no task is selected, use the root task.
parent = task_tree->get_bt()->get_root_task();
selected = parent;
}
if (parent.is_null()) {
// When tree is empty.
undo_redo->add_do_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), p_task);
undo_redo->add_undo_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), task_tree->get_bt()->get_root_task());
} else {
if (Input::get_singleton()->is_key_pressed(LW_KEY(SHIFT)) && selected->get_parent().is_valid()) {
// When shift is pressed, insert task after the currently selected and on the same level.
parent = selected->get_parent();
insert_idx = selected->get_index() + 1;
}
undo_redo->add_do_method(parent.ptr(), LW_NAME(add_child_at_index), p_task, insert_idx);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(remove_child), p_task);
}
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
Ref<BTTask> LimboAIEditor::_create_task_by_class_or_path(const String &p_class_or_path) const {
Ref<BTTask> ret;
if (p_class_or_path.begins_with("res:")) {
Ref<Script> s = RESOURCE_LOAD(p_class_or_path, "Script");
ERR_FAIL_COND_V_MSG(s.is_null() || !s->can_instantiate(), nullptr, vformat("LimboAI: Failed to instantiate task. Bad script: %s", p_class_or_path));
Variant inst = ClassDB::instantiate(s->get_instance_base_type());
ERR_FAIL_COND_V_MSG(inst == Variant(), nullptr, vformat("LimboAI: Failed to instantiate base type \"%s\".", s->get_instance_base_type()));
if (unlikely(!((Object *)inst)->is_class("BTTask"))) {
VARIANT_DELETE_IF_OBJECT(inst);
ERR_PRINT(vformat("LimboAI: Failed to instantiate task. Script is not a BTTask: %s", p_class_or_path));
return nullptr;
}
if (inst && s.is_valid()) {
((Object *)inst)->set_script(s);
ret = inst;
}
} else {
ret = ClassDB::instantiate(p_class_or_path);
}
return ret;
}
void LimboAIEditor::_add_task_by_class_or_path(const String &p_class_or_path) {
_add_task(_create_task_by_class_or_path(p_class_or_path));
}
void LimboAIEditor::_remove_task(const Ref<BTTask> &p_task) {
ERR_FAIL_COND(p_task.is_null());
ERR_FAIL_COND(task_tree->get_bt().is_null());
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
undo_redo->create_action(TTR("Remove BT Task"));
if (p_task->get_parent() == nullptr) {
ERR_FAIL_COND(task_tree->get_bt()->get_root_task() != p_task);
undo_redo->add_do_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), Variant());
undo_redo->add_undo_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), task_tree->get_bt()->get_root_task());
} else {
undo_redo->add_do_method(p_task->get_parent().ptr(), LW_NAME(remove_child), p_task);
undo_redo->add_undo_method(p_task->get_parent().ptr(), LW_NAME(add_child_at_index), p_task, p_task->get_index());
}
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
}
void LimboAIEditor::_update_header() const {
if (task_tree->get_bt().is_null()) {
header->set_text("");
BUTTON_SET_ICON(header, nullptr);
return;
}
String text = task_tree->get_bt()->get_path();
if (text.is_empty()) {
text = TTR("New Behavior Tree");
} else if (dirty.has(task_tree->get_bt())) {
text += "(*)";
}
header->set_text(text);
BUTTON_SET_ICON(header, theme_cache.behavior_tree_icon);
}
void LimboAIEditor::_update_history_buttons() {
history_back->set_disabled(idx_history == 0);
history_forward->set_disabled(idx_history >= (history.size() - 1));
}
void LimboAIEditor::_new_bt() {
Ref<BehaviorTree> bt = memnew(BehaviorTree);
bt->set_root_task(memnew(BTSelector));
bt->set_blackboard_plan(memnew(BlackboardPlan));
EDIT_RESOURCE(bt);
}
void LimboAIEditor::_save_bt(String p_path) {
ERR_FAIL_COND_MSG(p_path.is_empty(), "Empty p_path");
ERR_FAIL_COND_MSG(task_tree->get_bt().is_null(), "Behavior Tree is null.");
#ifdef LIMBOAI_MODULE
task_tree->get_bt()->set_path(p_path, true);
#elif LIMBOAI_GDEXTENSION
task_tree->get_bt()->take_over_path(p_path);
#endif
RESOURCE_SAVE(task_tree->get_bt(), p_path, ResourceSaver::FLAG_CHANGE_PATH);
_update_header();
_mark_as_dirty(false);
}
void LimboAIEditor::_load_bt(String p_path) {
ERR_FAIL_COND_MSG(p_path.is_empty(), "Empty p_path");
Ref<BehaviorTree> bt = RESOURCE_LOAD(p_path, "BehaviorTree");
ERR_FAIL_COND(!bt.is_valid());
if (history.find(bt) != -1) {
history.erase(bt);
history.push_back(bt);
}
EDIT_RESOURCE(bt);
}
void LimboAIEditor::edit_bt(Ref<BehaviorTree> p_behavior_tree, bool p_force_refresh) {
ERR_FAIL_COND_MSG(p_behavior_tree.is_null(), "p_behavior_tree is null");
if (!p_force_refresh && task_tree->get_bt() == p_behavior_tree) {
return;
}
#ifdef LIMBOAI_MODULE
p_behavior_tree->editor_set_section_unfold("blackboard_plan", true);
p_behavior_tree->notify_property_list_changed();
#endif // LIMBOAI_MODULE
if (task_tree->get_bt().is_valid() &&
task_tree->get_bt()->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true))) {
task_tree->get_bt()->disconnect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true));
}
task_tree->load_bt(p_behavior_tree);
if (task_tree->get_bt().is_valid()) {
task_tree->get_bt()->connect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true));
}
int idx = history.find(p_behavior_tree);
if (idx != -1) {
idx_history = idx;
} else {
history.push_back(p_behavior_tree);
idx_history = history.size() - 1;
}
usage_hint->hide();
task_tree->show();
task_palette->show();
_update_history_buttons();
_update_header();
}
Ref<BlackboardPlan> LimboAIEditor::get_edited_blackboard_plan() {
if (task_tree->get_bt().is_null()) {
return nullptr;
}
if (task_tree->get_bt()->get_blackboard_plan().is_null()) {
task_tree->get_bt()->set_blackboard_plan(memnew(BlackboardPlan));
}
return task_tree->get_bt()->get_blackboard_plan();
}
void LimboAIEditor::_mark_as_dirty(bool p_dirty) {
Ref<BehaviorTree> bt = task_tree->get_bt();
if (p_dirty && !dirty.has(bt)) {
dirty.insert(bt);
_update_header();
} else if (p_dirty == false && dirty.has(bt)) {
dirty.erase(bt);
_update_header();
}
}
void LimboAIEditor::_create_user_task_dir() {
String task_dir = GLOBAL_GET("limbo_ai/behavior_tree/user_task_dir_1");
ERR_FAIL_COND_MSG(DirAccess::dir_exists_absolute(task_dir), "LimboAIEditor: Directory already exists: " + task_dir);
Error err = DirAccess::make_dir_recursive_absolute(task_dir);
ERR_FAIL_COND_MSG(err != OK, "LimboAIEditor: Failed to create directory: " + task_dir);
#ifdef LIMBOAI_MODULE
EditorFileSystem::get_singleton()->scan_changes();
#elif LIMBOAI_GDEXTENSION
EditorInterface::get_singleton()->get_resource_filesystem()->scan_sources();
#endif
_update_banners();
}
void LimboAIEditor::_edit_project_settings() {
#ifdef LIMBOAI_MODULE
ProjectSettingsEditor::get_singleton()->set_general_page("limbo_ai/behavior_tree");
ProjectSettingsEditor::get_singleton()->popup_project_settings();
ProjectSettingsEditor::get_singleton()->connect(LW_NAME(visibility_changed), callable_mp(this, &LimboAIEditor::_update_banners), CONNECT_ONE_SHOT);
#elif LIMBOAI_GDEXTENSION
// TODO: Find a way to show project setting in GDExtension.
String text = "Can't open settings in GDExtension, sorry :(\n"
"To edit project settings, navigate to \"Project->Project Settings\",\n"
"enable \"Advanced settings\", and scroll down to the \"LimboAI\" section.";
_popup_info_dialog(text);
#endif
}
void LimboAIEditor::_remove_task_from_favorite(const String &p_task) {
PackedStringArray favorite_tasks = GLOBAL_GET("limbo_ai/behavior_tree/favorite_tasks");
int idx = favorite_tasks.find(p_task);
if (idx >= 0) {
favorite_tasks.remove_at(idx);
}
ProjectSettings::get_singleton()->set_setting("limbo_ai/behavior_tree/favorite_tasks", favorite_tasks);
ProjectSettings::get_singleton()->save();
}
void LimboAIEditor::_extract_subtree(const String &p_path) {
Ref<BTTask> selected = task_tree->get_selected();
ERR_FAIL_COND(selected.is_null());
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
undo_redo->create_action(TTR("Extract Subtree"));
Ref<BehaviorTree> bt = memnew(BehaviorTree);
bt->set_root_task(selected->clone());
bt->set_path(p_path);
RESOURCE_SAVE(bt, p_path, ResourceSaver::FLAG_CHANGE_PATH);
Ref<BTSubtree> subtree = memnew(BTSubtree);
subtree->set_subtree(bt);
if (selected->is_root()) {
undo_redo->add_do_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), subtree);
undo_redo->add_undo_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), selected);
} else {
int idx = selected->get_index();
undo_redo->add_do_method(selected->get_parent().ptr(), LW_NAME(remove_child), selected);
undo_redo->add_do_method(selected->get_parent().ptr(), LW_NAME(add_child_at_index), subtree, idx);
undo_redo->add_undo_method(selected->get_parent().ptr(), LW_NAME(remove_child), subtree);
undo_redo->add_undo_method(selected->get_parent().ptr(), LW_NAME(add_child_at_index), selected, idx);
}
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
EDIT_RESOURCE(task_tree->get_selected());
_mark_as_dirty(true);
}
void LimboAIEditor::_process_shortcut_input(const Ref<InputEvent> &p_event) {
if (!p_event->is_pressed() || p_event->is_echo()) {
return;
}
// * Global shortcuts.
if (LW_IS_SHORTCUT("limbo_ai/open_debugger", p_event)) {
_misc_option_selected(MISC_OPEN_DEBUGGER);
get_viewport()->set_input_as_handled();
}
// * Local shortcuts.
if (!(has_focus() || get_viewport()->gui_get_focus_owner() == nullptr || is_ancestor_of(get_viewport()->gui_get_focus_owner()))) {
return;
}
if (LW_IS_SHORTCUT("limbo_ai/rename_task", p_event)) {
_action_selected(ACTION_RENAME);
} else if (LW_IS_SHORTCUT("limbo_ai/move_task_up", p_event)) {
_action_selected(ACTION_MOVE_UP);
} else if (LW_IS_SHORTCUT("limbo_ai/move_task_down", p_event)) {
_action_selected(ACTION_MOVE_DOWN);
} else if (LW_IS_SHORTCUT("limbo_ai/duplicate_task", p_event)) {
_action_selected(ACTION_DUPLICATE);
} else if (LW_IS_SHORTCUT("limbo_ai/remove_task", p_event)) {
_action_selected(ACTION_REMOVE);
} else if (LW_IS_SHORTCUT("limbo_ai/new_behavior_tree", p_event)) {
_new_bt();
} else if (LW_IS_SHORTCUT("limbo_ai/save_behavior_tree", p_event)) {
_on_save_pressed();
} else if (LW_IS_SHORTCUT("limbo_ai/load_behavior_tree", p_event)) {
_popup_file_dialog(load_dialog);
} else {
return;
}
get_viewport()->set_input_as_handled();
}
void LimboAIEditor::_on_tree_rmb(const Vector2 &p_menu_pos) {
menu->clear();
Ref<BTTask> task = task_tree->get_selected();
ERR_FAIL_COND_MSG(task.is_null(), "LimboAIEditor: get_selected() returned null");
if (task_tree->selected_has_probability()) {
menu->add_icon_item(theme_cache.percent_icon, TTR("Edit Probability"), ACTION_EDIT_PROBABILITY);
}
menu->add_icon_shortcut(theme_cache.rename_task_icon, LW_GET_SHORTCUT("limbo_ai/rename_task"), ACTION_RENAME);
menu->add_icon_item(theme_cache.change_type_icon, TTR("Change Type"), ACTION_CHANGE_TYPE);
menu->add_icon_item(theme_cache.edit_script_icon, TTR("Edit Script"), ACTION_EDIT_SCRIPT);
menu->add_icon_item(theme_cache.doc_icon, TTR("Open Documentation"), ACTION_OPEN_DOC);
menu->set_item_disabled(menu->get_item_index(ACTION_EDIT_SCRIPT), task->get_script() == Variant());
menu->add_separator();
menu->add_icon_shortcut(theme_cache.move_task_up_icon, LW_GET_SHORTCUT("limbo_ai/move_task_up"), ACTION_MOVE_UP);
menu->add_icon_shortcut(theme_cache.move_task_down_icon, LW_GET_SHORTCUT("limbo_ai/move_task_down"), ACTION_MOVE_DOWN);
menu->add_icon_shortcut(theme_cache.duplicate_task_icon, LW_GET_SHORTCUT("limbo_ai/duplicate_task"), ACTION_DUPLICATE);
menu->add_icon_item(theme_cache.make_root_icon, TTR("Make Root"), ACTION_MAKE_ROOT);
menu->add_icon_item(theme_cache.extract_subtree_icon, TTR("Extract Subtree"), ACTION_EXTRACT_SUBTREE);
menu->add_separator();
menu->add_icon_shortcut(theme_cache.remove_task_icon, LW_GET_SHORTCUT("limbo_ai/remove_task"), ACTION_REMOVE);
menu->reset_size();
menu->set_position(p_menu_pos);
menu->popup();
}
void LimboAIEditor::_action_selected(int p_id) {
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
switch (p_id) {
case ACTION_RENAME: {
if (!task_tree->get_selected().is_valid()) {
return;
}
Ref<BTTask> task = task_tree->get_selected();
if (IS_CLASS(task, BTComment)) {
rename_dialog->set_title(TTR("Edit Comment"));
rename_dialog->get_ok_button()->set_text(TTR("OK"));
rename_edit->set_placeholder(TTR("Comment"));
} else {
rename_dialog->set_title(TTR("Rename Task"));
rename_dialog->get_ok_button()->set_text(TTR("Rename"));
rename_edit->set_placeholder(TTR("Custom Name"));
}
rename_edit->set_text(task->get_custom_name());
rename_dialog->popup_centered();
rename_edit->select_all();
rename_edit->grab_focus();
} break;
case ACTION_CHANGE_TYPE: {
change_type_palette->clear_filter();
change_type_palette->refresh();
Rect2 rect = Rect2(get_global_mouse_position(), Size2(400.0, 600.0) * EDSCALE);
change_type_popup->popup(rect);
} break;
case ACTION_EDIT_PROBABILITY: {
Rect2 rect = task_tree->get_selected_probability_rect();
ERR_FAIL_COND(rect == Rect2());
rect.position.y += rect.size.y;
rect.position += task_tree->get_rect().position;
rect = task_tree->get_screen_transform().xform(rect);
_update_probability_edit();
probability_popup->popup(rect);
} break;
case ACTION_EDIT_SCRIPT: {
ERR_FAIL_COND(task_tree->get_selected().is_null());
EDIT_RESOURCE(task_tree->get_selected()->get_script());
} break;
case ACTION_OPEN_DOC: {
Ref<BTTask> task = task_tree->get_selected();
ERR_FAIL_COND(task.is_null());
String help_class;
Ref<Script> sc = GET_SCRIPT(task);
if (sc.is_valid() && sc->get_path().is_absolute_path()) {
help_class = sc->get_path();
}
if (help_class.is_empty()) {
// Assuming context task is core class.
help_class = task->get_class();
}
LimboUtility::get_singleton()->open_doc_class(help_class);
} break;
case ACTION_MOVE_UP: {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid() && sel->get_parent().is_valid()) {
Ref<BTTask> parent = sel->get_parent();
int idx = sel->get_index();
if (idx > 0 && idx < parent->get_child_count()) {
undo_redo->create_action(TTR("Move BT Task"));
undo_redo->add_do_method(parent.ptr(), LW_NAME(remove_child), sel);
undo_redo->add_do_method(parent.ptr(), LW_NAME(add_child_at_index), sel, idx - 1);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(remove_child), sel);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(add_child_at_index), sel, idx);
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
}
} break;
case ACTION_MOVE_DOWN: {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid() && sel->get_parent().is_valid()) {
Ref<BTTask> parent = sel->get_parent();
int idx = sel->get_index();
if (idx >= 0 && idx < (parent->get_child_count() - 1)) {
undo_redo->create_action(TTR("Move BT Task"));
undo_redo->add_do_method(parent.ptr(), LW_NAME(remove_child), sel);
undo_redo->add_do_method(parent.ptr(), LW_NAME(add_child_at_index), sel, idx + 1);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(remove_child), sel);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(add_child_at_index), sel, idx);
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
}
} break;
case ACTION_DUPLICATE: {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid()) {
undo_redo->create_action(TTR("Duplicate BT Task"));
Ref<BTTask> parent = sel->get_parent();
if (parent.is_null()) {
parent = sel;
}
const Ref<BTTask> &sel_dup = sel->clone();
undo_redo->add_do_method(parent.ptr(), LW_NAME(add_child_at_index), sel_dup, sel->get_index() + 1);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(remove_child), sel_dup);
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
} break;
case ACTION_MAKE_ROOT: {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid() && task_tree->get_bt()->get_root_task() != sel) {
Ref<BTTask> parent = sel->get_parent();
ERR_FAIL_COND(parent.is_null());
undo_redo->create_action(TTR("Make Root"));
undo_redo->add_do_method(parent.ptr(), LW_NAME(remove_child), sel);
Ref<BTTask> old_root = task_tree->get_bt()->get_root_task();
undo_redo->add_do_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), sel);
undo_redo->add_do_method(sel.ptr(), LW_NAME(add_child), old_root);
undo_redo->add_undo_method(sel.ptr(), LW_NAME(remove_child), old_root);
undo_redo->add_undo_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), old_root);
undo_redo->add_undo_method(parent.ptr(), LW_NAME(add_child_at_index), sel, sel->get_index());
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
} break;
case ACTION_EXTRACT_SUBTREE: {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid() && !IS_CLASS(sel, BTSubtree)) {
extract_dialog->popup_centered_ratio();
}
} break;
case ACTION_REMOVE: {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid()) {
undo_redo->create_action(TTR("Remove BT Task"));
if (sel->is_root()) {
undo_redo->add_do_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), Variant());
undo_redo->add_undo_method(task_tree->get_bt().ptr(), LW_NAME(set_root_task), task_tree->get_bt()->get_root_task());
} else {
undo_redo->add_do_method(sel->get_parent().ptr(), LW_NAME(remove_child), sel);
undo_redo->add_undo_method(sel->get_parent().ptr(), LW_NAME(add_child_at_index), sel, sel->get_index());
}
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
EDIT_RESOURCE(task_tree->get_selected());
_mark_as_dirty(true);
}
} break;
}
}
void LimboAIEditor::_on_probability_edited(double p_value) {
Ref<BTTask> selected = task_tree->get_selected();
ERR_FAIL_COND(selected == nullptr);
Ref<BTProbabilitySelector> probability_selector = selected->get_parent();
ERR_FAIL_COND(probability_selector.is_null());
if (percent_mode->is_pressed()) {
probability_selector->set_probability(selected->get_index(), p_value * 0.01);
} else {
probability_selector->set_weight(selected->get_index(), p_value);
}
}
void LimboAIEditor::_update_probability_edit() {
Ref<BTTask> selected = task_tree->get_selected();
ERR_FAIL_COND(selected.is_null());
Ref<BTProbabilitySelector> prob = selected->get_parent();
ERR_FAIL_COND(prob.is_null());
double others_weight = prob->get_total_weight() - prob->get_weight(selected->get_index());
bool cannot_edit_percent = others_weight == 0.0;
percent_mode->set_disabled(cannot_edit_percent);
if (cannot_edit_percent && percent_mode->is_pressed()) {
weight_mode->set_pressed(true);
}
if (percent_mode->is_pressed()) {
probability_edit->set_suffix("%");
probability_edit->set_max(99.0);
probability_edit->set_allow_greater(false);
probability_edit->set_step(0.01);
probability_edit->set_value_no_signal(task_tree->get_selected_probability_percent());
} else {
probability_edit->set_suffix("");
probability_edit->set_allow_greater(true);
probability_edit->set_max(10.0);
probability_edit->set_step(0.01);
probability_edit->set_value_no_signal(task_tree->get_selected_probability_weight());
}
}
void LimboAIEditor::_probability_popup_closed() {
probability_edit->grab_focus(); // Hack: Workaround for an EditorSpinSlider bug keeping LineEdit visible and "stuck" with ghost value.
}
void LimboAIEditor::_misc_option_selected(int p_id) {
switch (p_id) {
case MISC_ONLINE_DOCUMENTATION: {
LimboUtility::get_singleton()->open_doc_online();
} break;
case MISC_DOC_INTRODUCTION: {
LimboUtility::get_singleton()->open_doc_introduction();
} break;
case MISC_DOC_CUSTOM_TASKS: {
LimboUtility::get_singleton()->open_doc_custom_tasks();
} break;
case MISC_OPEN_DEBUGGER: {
ERR_FAIL_COND(LimboDebuggerPlugin::get_singleton() == nullptr);
if (LimboDebuggerPlugin::get_singleton()->get_session_tab()->get_window_enabled()) {
LimboDebuggerPlugin::get_singleton()->get_session_tab()->set_window_enabled(true);
} else {
#ifdef LIMBOAI_MODULE
EditorNode::get_singleton()->make_bottom_panel_item_visible(EditorDebuggerNode::get_singleton());
EditorDebuggerNode::get_singleton()->get_default_debugger()->switch_to_debugger(
LimboDebuggerPlugin::get_singleton()->get_session_tab_index());
#elif LIMBOAI_GDEXTENSION
// TODO: Unsure how to switch to debugger pane with GDExtension.
#endif
}
} break;
case MISC_PROJECT_SETTINGS: {
_edit_project_settings();
} break;
case MISC_CREATE_SCRIPT_TEMPLATE: {
String template_path = _get_script_template_path();
String template_dir = template_path.get_base_dir();
if (!FILE_EXISTS(template_path)) {
if (!DirAccess::dir_exists_absolute(template_dir)) {
Error err = DirAccess::make_dir_recursive_absolute(template_dir);
ERR_FAIL_COND(err != OK);
}
Ref<FileAccess> f = FileAccess::open(template_path, FileAccess::WRITE);
ERR_FAIL_COND(f.is_null());
String script_template =
"# meta-name: Custom Task\n"
"# meta-description: Custom task to be used in a BehaviorTree\n"
"# meta-default: true\n"
"@tool\n"
"extends _BASE_\n"
"## _CLASS_\n"
"\n\n"
"# Display a customized name (requires @tool).\n"
"func _generate_name() -> String:\n"
"_TS_return \"_CLASS_\"\n"
"\n\n"
"# Called once during initialization.\n"
"func _setup() -> void:\n"
"_TS_pass\n"
"\n\n"
"# Called each time this task is entered.\n"
"func _enter() -> void:\n"
"_TS_pass\n"
"\n\n"
"# Called each time this task is exited.\n"
"func _exit() -> void:\n"
"_TS_pass\n"
"\n\n"
"# Called each time this task is ticked (aka executed).\n"
"func _tick(delta: float) -> Status:\n"
"_TS_return SUCCESS\n"
"\n\n"
"# Strings returned from this method are displayed as warnings in the behavior tree editor (requires @tool).\n"
"func _get_configuration_warnings() -> PackedStringArray:\n"
"_TS_var warnings := PackedStringArray()\n"
"_TS_return warnings\n";
f->store_string(script_template);
f->close();
}
EDITOR_FILE_SYSTEM()->scan();
EDIT_SCRIPT(template_path);
} break;
}
}
void LimboAIEditor::_on_tree_task_selected(const Ref<BTTask> &p_task) {
EDIT_RESOURCE(p_task);
}
void LimboAIEditor::_on_visibility_changed() {
if (task_tree->is_visible_in_tree()) {
Ref<BTTask> sel = task_tree->get_selected();
if (sel.is_valid()) {
EDIT_RESOURCE(sel);
} else if (task_tree->get_bt().is_valid() && INSPECTOR_GET_EDITED_OBJECT() != task_tree->get_bt().ptr()) {
EDIT_RESOURCE(task_tree->get_bt());
}
task_palette->refresh();
}
_update_favorite_tasks();
}
void LimboAIEditor::_on_header_pressed() {
_update_header();
task_tree->deselect();
#ifdef LIMBOAI_MODULE
if (task_tree->get_bt().is_valid()) {
task_tree->get_bt()->editor_set_section_unfold("blackboard_plan", true);
}
#endif // LIMBOAI_MODULE
EDIT_RESOURCE(task_tree->get_bt());
}
void LimboAIEditor::_on_save_pressed() {
if (task_tree->get_bt().is_null()) {
return;
}
String path = task_tree->get_bt()->get_path();
if (path.is_empty()) {
save_dialog->popup_centered_ratio();
} else {
_save_bt(path);
}
}
void LimboAIEditor::_on_history_back() {
ERR_FAIL_COND(history.size() == 0);
idx_history = MAX(idx_history - 1, 0);
EDIT_RESOURCE(history[idx_history]);
}
void LimboAIEditor::_on_history_forward() {
ERR_FAIL_COND(history.size() == 0);
idx_history = MIN(idx_history + 1, history.size() - 1);
EDIT_RESOURCE(history[idx_history]);
}
void LimboAIEditor::_on_task_dragged(Ref<BTTask> p_task, Ref<BTTask> p_to_task, int p_type) {
ERR_FAIL_COND(p_type < -1 || p_type > 1);
ERR_FAIL_COND(p_type != 0 && p_to_task->get_parent().is_null());
if (p_task == p_to_task) {
return;
}
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
undo_redo->create_action(TTR("Drag BT Task"));
undo_redo->add_do_method(p_task->get_parent().ptr(), LW_NAME(remove_child), p_task);
if (p_type == 0) {
undo_redo->add_do_method(p_to_task.ptr(), LW_NAME(add_child), p_task);
undo_redo->add_undo_method(p_to_task.ptr(), LW_NAME(remove_child), p_task);
} else {
int drop_idx = p_to_task->get_index();
if (p_to_task->get_parent() == p_task->get_parent() && drop_idx > p_task->get_index()) {
drop_idx -= 1;
}
if (p_type == -1) {
undo_redo->add_do_method(p_to_task->get_parent().ptr(), LW_NAME(add_child_at_index), p_task, drop_idx);
undo_redo->add_undo_method(p_to_task->get_parent().ptr(), LW_NAME(remove_child), p_task);
} else if (p_type == 1) {
undo_redo->add_do_method(p_to_task->get_parent().ptr(), LW_NAME(add_child_at_index), p_task, drop_idx + 1);
undo_redo->add_undo_method(p_to_task->get_parent().ptr(), LW_NAME(remove_child), p_task);
}
}
undo_redo->add_undo_method(p_task->get_parent().ptr(), "add_child_at_index", p_task, p_task->get_index());
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
void LimboAIEditor::_on_resources_reload(const PackedStringArray &p_resources) {
for (const String &res_path : p_resources) {
if (!RESOURCE_IS_CACHED(res_path)) {
continue;
}
if (RESOURCE_EXISTS(res_path, "BehaviorTree")) {
Ref<BehaviorTree> res = RESOURCE_LOAD(res_path, "BehaviorTree");
if (res.is_valid()) {
if (history.has(res)) {
disk_changed_files.insert(res_path);
} else {
Ref<BehaviorTree> reloaded = RESOURCE_LOAD_NO_CACHE(res_path, "BehaviorTree");
res->copy_other(reloaded);
}
}
}
}
// TODO: Find a way to allow resaving trees when they change outside of Godot.
// * Currently, editor reloads them without asking in GDExtension. There is no Resource::editor_can_reload_from_file().
#ifdef LIMBOAI_MODULE
if (disk_changed_files.size() > 0) {
disk_changed_list->clear();
disk_changed_list->set_hide_root(true);
disk_changed_list->create_item();
for (const String &fn : disk_changed_files) {
TreeItem *ti = disk_changed_list->create_item();
ti->set_text(0, fn);
}
if (!is_visible()) {
SET_MAIN_SCREEN_EDITOR("LimboAI");
}
disk_changed->call_deferred("popup_centered_ratio", 0.5);
}
#elif LIMBOAI_GDEXTENSION
task_tree->update_tree();
#endif
}
void LimboAIEditor::_task_type_selected(const String &p_class_or_path) {
change_type_popup->hide();
Ref<BTTask> selected_task = task_tree->get_selected();
ERR_FAIL_COND(selected_task.is_null());
Ref<BTTask> new_task = _create_task_by_class_or_path(p_class_or_path);
ERR_FAIL_COND_MSG(new_task.is_null(), "LimboAI: Unable to construct task.");
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
undo_redo->create_action(TTR("Change BT task type"));
undo_redo->add_do_method(this, LW_NAME(_replace_task), selected_task, new_task);
undo_redo->add_undo_method(this, LW_NAME(_replace_task), new_task, selected_task);
undo_redo->add_do_method(task_tree, LW_NAME(update_tree));
undo_redo->add_undo_method(task_tree, LW_NAME(update_tree));
undo_redo->commit_action();
_mark_as_dirty(true);
}
void LimboAIEditor::_replace_task(const Ref<BTTask> &p_task, const Ref<BTTask> &p_by_task) {
ERR_FAIL_COND(p_task.is_null());
ERR_FAIL_COND(p_by_task.is_null());
ERR_FAIL_COND(p_by_task->get_child_count() > 0);
ERR_FAIL_COND(p_by_task->get_parent().is_valid());
while (p_task->get_child_count() > 0) {
Ref<BTTask> child = p_task->get_child(0);
p_task->remove_child_at_index(0);
p_by_task->add_child(child);
}
p_by_task->set_custom_name(p_task->get_custom_name());
Ref<BTTask> parent = p_task->get_parent();
if (parent.is_null()) {
// Assuming root task is replaced.
ERR_FAIL_COND(task_tree->get_bt().is_null());
ERR_FAIL_COND(task_tree->get_bt()->get_root_task() != p_task);
task_tree->get_bt()->set_root_task(p_by_task);
} else {
// Non-root task is replaced.
int idx = p_task->get_index();
double weight = 0.0;
Ref<BTProbabilitySelector> probability_selector = parent;
if (probability_selector.is_valid()) {
weight = probability_selector->get_weight(idx);
}
parent->remove_child(p_task);
parent->add_child_at_index(p_by_task, idx);
if (probability_selector.is_valid()) {
probability_selector->set_weight(idx, weight);
}
}
}
void LimboAIEditor::_reload_modified() {
for (const String &res_path : disk_changed_files) {
Ref<BehaviorTree> res = RESOURCE_LOAD(res_path, "BehaviorTree");
if (res.is_valid()) {
Ref<BehaviorTree> reloaded = RESOURCE_LOAD_NO_CACHE(res_path, "BehaviorTree");
res->copy_other(reloaded);
if (idx_history >= 0 && history.get(idx_history) == res) {
edit_bt(res, true);
}
}
}
disk_changed_files.clear();
task_tree->update_tree();
}
void LimboAIEditor::_resave_modified(String _str) {
for (const String &res_path : disk_changed_files) {
Ref<BehaviorTree> res = RESOURCE_LOAD(res_path, "BehaviorTree");
if (res.is_valid()) {
ERR_FAIL_COND(!res->is_class("BehaviorTree"));
RESOURCE_SAVE(res, res->get_path(), 0);
}
}
task_tree->update_tree();
disk_changed->hide();
disk_changed_files.clear();
}
void LimboAIEditor::_popup_info_dialog(const String &p_text) {
info_dialog->set_text(p_text);
info_dialog->popup_centered();
}
void LimboAIEditor::_rename_task_confirmed() {
ERR_FAIL_COND(!task_tree->get_selected().is_valid());
rename_dialog->hide();
EditorUndoRedoManager *undo_redo = GET_UNDO_REDO();
undo_redo->create_action(TTR("Set Custom Name"));
undo_redo->add_do_method(task_tree->get_selected().ptr(), LW_NAME(set_custom_name), rename_edit->get_text());
undo_redo->add_undo_method(task_tree->get_selected().ptr(), LW_NAME(set_custom_name), task_tree->get_selected()->get_custom_name());
undo_redo->add_do_method(task_tree, LW_NAME(update_task), task_tree->get_selected());
undo_redo->add_undo_method(task_tree, LW_NAME(update_task), task_tree->get_selected());
undo_redo->commit_action();
}
void LimboAIEditor::apply_changes() {
for (int i = 0; i < history.size(); i++) {
Ref<BehaviorTree> bt = history.get(i);
String path = bt->get_path();
if (RESOURCE_EXISTS(path, "BehaviorTree")) {
RESOURCE_SAVE(bt, path, 0);
}
dirty.clear();
_update_header();
}
}
void LimboAIEditor::_update_favorite_tasks() {
for (int i = 0; i < fav_tasks_hbox->get_child_count(); i++) {
fav_tasks_hbox->get_child(i)->queue_free();
}
Array favorite_tasks = GLOBAL_GET("limbo_ai/behavior_tree/favorite_tasks");
for (int i = 0; i < favorite_tasks.size(); i++) {
String task_meta = favorite_tasks[i];
if (task_meta.is_empty() || (!FILE_EXISTS(task_meta) && !ClassDB::class_exists(task_meta))) {
call_deferred(LW_NAME(_update_banners));
continue;
}
Button *btn = memnew(Button);
String task_name;
if (task_meta.begins_with("res:")) {
task_name = task_meta.get_file().get_basename().trim_prefix("BT").to_pascal_case();
} else {
task_name = task_meta.trim_prefix("BT");
}
btn->set_text(task_name);
btn->set_meta(LW_NAME(task_meta), task_meta);
BUTTON_SET_ICON(btn, LimboUtility::get_singleton()->get_task_icon(task_meta));
btn->set_tooltip_text(vformat(TTR("Add %s task."), task_name));
btn->set_flat(true);
btn->add_theme_constant_override(LW_NAME(icon_max_width), 16 * EDSCALE); // Force user icons to be of the proper size.
btn->set_focus_mode(Control::FOCUS_NONE);
btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_add_task_by_class_or_path).bind(task_meta));
fav_tasks_hbox->add_child(btn);
}
}
void LimboAIEditor::_update_misc_menu() {
PopupMenu *misc_menu = misc_btn->get_popup();
misc_menu->clear();
misc_menu->add_icon_item(theme_cache.doc_icon, TTR("Online Documentation"), MISC_ONLINE_DOCUMENTATION);
misc_menu->add_icon_item(theme_cache.introduction_icon, TTR("Introduction"), MISC_DOC_INTRODUCTION);
misc_menu->add_icon_item(theme_cache.introduction_icon, TTR("Creating custom tasks in GDScript"), MISC_DOC_CUSTOM_TASKS);
misc_menu->add_separator();
#ifdef LIMBOAI_MODULE
// * Disabled in GDExtension: Not sure how to switch to debugger pane.
misc_menu->add_icon_shortcut(theme_cache.open_debugger_icon, LW_GET_SHORTCUT("limbo_ai/open_debugger"), MISC_OPEN_DEBUGGER);
#endif // LIMBOAI_MODULE
misc_menu->add_item(TTR("Project Settings..."), MISC_PROJECT_SETTINGS);
misc_menu->add_separator();
misc_menu->add_item(
FILE_EXISTS(_get_script_template_path()) ? TTR("Edit Script Template") : TTR("Create Script Template"),
MISC_CREATE_SCRIPT_TEMPLATE);
}
void LimboAIEditor::_update_banners() {
for (int i = 0; i < banners->get_child_count(); i++) {
if (banners->get_child(i)->has_meta(LW_NAME(managed))) {
banners->get_child(i)->queue_free();
}
}
for (String dir_setting : { "limbo_ai/behavior_tree/user_task_dir_1", "limbo_ai/behavior_tree/user_task_dir_2", "limbo_ai/behavior_tree/user_task_dir_3" }) {
String task_dir = GLOBAL_GET(dir_setting);
if (!task_dir.is_empty() && !DirAccess::dir_exists_absolute(task_dir)) {
ActionBanner *banner = memnew(ActionBanner);
banner->set_text(vformat(TTR("Task folder not found: %s"), task_dir));
banner->add_action(TTR("Create"), callable_mp(this, &LimboAIEditor::_create_user_task_dir), true);
banner->add_action(TTR("Edit Path..."), callable_mp(this, &LimboAIEditor::_edit_project_settings));
banner->add_spacer();
banner->add_action(TTR("Help..."), callable_mp(LimboUtility::get_singleton(), &LimboUtility::open_doc_custom_tasks));
banner->set_meta(LW_NAME(managed), Variant(true));
banners->call_deferred(LW_NAME(add_child), banner);
}
}
Array favorite_tasks = GLOBAL_GET("limbo_ai/behavior_tree/favorite_tasks");
for (int i = 0; i < favorite_tasks.size(); i++) {
String task_meta = favorite_tasks[i];
if (task_meta.is_empty() || (!FILE_EXISTS(task_meta) && !ClassDB::class_exists(task_meta))) {
ActionBanner *banner = memnew(ActionBanner);
banner->set_text(vformat(TTR("Favorite task not found: %s"), task_meta));
banner->add_action(TTR("Remove"), callable_mp(this, &LimboAIEditor::_remove_task_from_favorite).bind(task_meta), true);
banner->add_action(TTR("Edit Favorite Tasks..."), callable_mp(this, &LimboAIEditor::_edit_project_settings));
banner->set_meta(LW_NAME(managed), Variant(true));
banners->call_deferred(LW_NAME(add_child), banner);
}
}
}
void LimboAIEditor::_do_update_theme_item_cache() {
theme_cache.duplicate_task_icon = get_theme_icon(LW_NAME(Duplicate), LW_NAME(EditorIcons));
theme_cache.edit_script_icon = get_theme_icon(LW_NAME(Script), LW_NAME(EditorIcons));
theme_cache.make_root_icon = get_theme_icon(LW_NAME(NewRoot), LW_NAME(EditorIcons));
theme_cache.move_task_down_icon = get_theme_icon(LW_NAME(MoveDown), LW_NAME(EditorIcons));
theme_cache.move_task_up_icon = get_theme_icon(LW_NAME(MoveUp), LW_NAME(EditorIcons));
theme_cache.open_debugger_icon = get_theme_icon(LW_NAME(Debug), LW_NAME(EditorIcons));
theme_cache.doc_icon = get_theme_icon(LW_NAME(Help), LW_NAME(EditorIcons));
theme_cache.introduction_icon = get_theme_icon(LW_NAME(Info), LW_NAME(EditorIcons));
theme_cache.remove_task_icon = get_theme_icon(LW_NAME(Remove), LW_NAME(EditorIcons));
theme_cache.rename_task_icon = get_theme_icon(LW_NAME(Rename), LW_NAME(EditorIcons));
theme_cache.change_type_icon = get_theme_icon(LW_NAME(Reload), LW_NAME(EditorIcons));
theme_cache.behavior_tree_icon = LimboUtility::get_singleton()->get_task_icon("BehaviorTree");
theme_cache.percent_icon = LimboUtility::get_singleton()->get_task_icon("LimboPercent");
theme_cache.extract_subtree_icon = LimboUtility::get_singleton()->get_task_icon("LimboExtractSubtree");
}
void LimboAIEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
Ref<ConfigFile> cf;
cf.instantiate();
String conf_path = PROJECT_CONFIG_FILE();
if (cf->load(conf_path) == OK) {
hsc->set_split_offset(cf->get_value("bt_editor", "bteditor_hsplit", hsc->get_split_offset()));
}
} break;
case NOTIFICATION_EXIT_TREE: {
Ref<ConfigFile> cf;
cf.instantiate();
String conf_path = PROJECT_CONFIG_FILE();
cf->load(conf_path);
cf->set_value("bt_editor", "bteditor_hsplit", hsc->get_split_offset());
cf->save(conf_path);
if (task_tree->get_bt().is_valid() &&
task_tree->get_bt()->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true))) {
task_tree->get_bt()->disconnect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true));
}
} break;
case NOTIFICATION_READY: {
// **** Signals
save_dialog->connect("file_selected", callable_mp(this, &LimboAIEditor::_save_bt));
load_dialog->connect("file_selected", callable_mp(this, &LimboAIEditor::_load_bt));
extract_dialog->connect("file_selected", callable_mp(this, &LimboAIEditor::_extract_subtree));
new_btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_new_bt));
load_btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_popup_file_dialog).bind(load_dialog));
task_tree->connect("rmb_pressed", callable_mp(this, &LimboAIEditor::_on_tree_rmb));
task_tree->connect("task_selected", callable_mp(this, &LimboAIEditor::_on_tree_task_selected));
task_tree->connect("task_dragged", callable_mp(this, &LimboAIEditor::_on_task_dragged));
task_tree->connect("task_activated", callable_mp(this, &LimboAIEditor::_action_selected).bind(ACTION_RENAME));
task_tree->connect("probability_clicked", callable_mp(this, &LimboAIEditor::_action_selected).bind(ACTION_EDIT_PROBABILITY));
task_tree->connect("visibility_changed", callable_mp(this, &LimboAIEditor::_on_visibility_changed));
task_tree->connect("visibility_changed", callable_mp(this, &LimboAIEditor::_update_banners));
save_btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_save_pressed));
misc_btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_update_misc_menu));
misc_btn->get_popup()->connect("id_pressed", callable_mp(this, &LimboAIEditor::_misc_option_selected));
history_back->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_history_back));
history_forward->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_history_forward));
header->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_header_pressed));
task_palette->connect("task_selected", callable_mp(this, &LimboAIEditor::_add_task_by_class_or_path));
task_palette->connect("favorite_tasks_changed", callable_mp(this, &LimboAIEditor::_update_favorite_tasks));
change_type_palette->connect("task_selected", callable_mp(this, &LimboAIEditor::_task_type_selected));
menu->connect("id_pressed", callable_mp(this, &LimboAIEditor::_action_selected));
weight_mode->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_update_probability_edit));
percent_mode->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_update_probability_edit));
probability_edit->connect("value_changed", callable_mp(this, &LimboAIEditor::_on_probability_edited));
probability_popup->connect("popup_hide", callable_mp(this, &LimboAIEditor::_probability_popup_closed));
disk_changed->connect("confirmed", callable_mp(this, &LimboAIEditor::_reload_modified));
disk_changed->connect("custom_action", callable_mp(this, &LimboAIEditor::_resave_modified));
rename_dialog->connect("confirmed", callable_mp(this, &LimboAIEditor::_rename_task_confirmed));
new_script_btn->connect(LW_NAME(pressed), callable_mp(SCRIPT_EDITOR(), &ScriptEditor::open_script_create_dialog).bind("BTAction", String(GLOBAL_GET("limbo_ai/behavior_tree/user_task_dir_1")).path_join("new_task")));
EDITOR_FILE_SYSTEM()->connect("resources_reload", callable_mp(this, &LimboAIEditor::_on_resources_reload));
_update_history_buttons();
_update_header();
} break;
case NOTIFICATION_THEME_CHANGED: {
_do_update_theme_item_cache();
BUTTON_SET_ICON(new_btn, get_theme_icon(LW_NAME(New), LW_NAME(EditorIcons)));
BUTTON_SET_ICON(load_btn, get_theme_icon(LW_NAME(Load), LW_NAME(EditorIcons)));
BUTTON_SET_ICON(save_btn, get_theme_icon(LW_NAME(Save), LW_NAME(EditorIcons)));
BUTTON_SET_ICON(new_script_btn, get_theme_icon(LW_NAME(ScriptCreate), LW_NAME(EditorIcons)));
BUTTON_SET_ICON(history_back, get_theme_icon(LW_NAME(Back), LW_NAME(EditorIcons)));
BUTTON_SET_ICON(history_forward, get_theme_icon(LW_NAME(Forward), LW_NAME(EditorIcons)));
BUTTON_SET_ICON(misc_btn, get_theme_icon(LW_NAME(Tools), LW_NAME(EditorIcons)));
_update_favorite_tasks();
_update_header();
}
}
}
void LimboAIEditor::_bind_methods() {
ClassDB::bind_method(D_METHOD("_add_task", "p_task"), &LimboAIEditor::_add_task);
ClassDB::bind_method(D_METHOD("_remove_task", "p_task"), &LimboAIEditor::_remove_task);
ClassDB::bind_method(D_METHOD("_add_task_with_prototype", "p_prototype"), &LimboAIEditor::_add_task_with_prototype);
ClassDB::bind_method(D_METHOD("_new_bt"), &LimboAIEditor::_new_bt);
ClassDB::bind_method(D_METHOD("_save_bt", "p_path"), &LimboAIEditor::_save_bt);
ClassDB::bind_method(D_METHOD("_load_bt", "p_path"), &LimboAIEditor::_load_bt);
ClassDB::bind_method(D_METHOD("edit_bt", "p_behavior_tree", "p_force_refresh"), &LimboAIEditor::edit_bt, Variant(false));
ClassDB::bind_method(D_METHOD("_reload_modified"), &LimboAIEditor::_reload_modified);
ClassDB::bind_method(D_METHOD("_resave_modified"), &LimboAIEditor::_resave_modified);
ClassDB::bind_method(D_METHOD("_replace_task", "p_task", "p_by_task"), &LimboAIEditor::_replace_task);
ClassDB::bind_method(D_METHOD("_popup_file_dialog"), &LimboAIEditor::_popup_file_dialog);
ClassDB::bind_method(D_METHOD("get_edited_blackboard_plan"), &LimboAIEditor::get_edited_blackboard_plan);
}
LimboAIEditor::LimboAIEditor() {
plugin = nullptr;
idx_history = 0;
LW_SHORTCUT("limbo_ai/rename_task", TTR("Rename"), LW_KEY(F2));
// Todo: Add override support for shortcuts.
// LW_SHORTCUT_OVERRIDE("limbo_ai/rename_task", "macos", Key::ENTER);
LW_SHORTCUT("limbo_ai/move_task_up", TTR("Move Up"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY(UP)));
LW_SHORTCUT("limbo_ai/move_task_down", TTR("Move Down"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY(DOWN)));
LW_SHORTCUT("limbo_ai/duplicate_task", TTR("Duplicate"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY(D)));
LW_SHORTCUT("limbo_ai/remove_task", TTR("Remove"), Key::KEY_DELETE);
LW_SHORTCUT("limbo_ai/new_behavior_tree", TTR("New Behavior Tree"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY_MASK(ALT) | LW_KEY(N)));
LW_SHORTCUT("limbo_ai/save_behavior_tree", TTR("Save Behavior Tree"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY_MASK(ALT) | LW_KEY(S)));
LW_SHORTCUT("limbo_ai/load_behavior_tree", TTR("Load Behavior Tree"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY_MASK(ALT) | LW_KEY(L)));
LW_SHORTCUT("limbo_ai/open_debugger", TTR("Open Debugger"), (Key)(LW_KEY_MASK(CMD_OR_CTRL) | LW_KEY_MASK(ALT) | LW_KEY(D)));
set_process_shortcut_input(true);
save_dialog = memnew(FileDialog);
save_dialog->set_file_mode(FileDialog::FILE_MODE_SAVE_FILE);
save_dialog->set_title(TTR("Save Behavior Tree"));
save_dialog->add_filter("*.tres");
save_dialog->hide();
add_child(save_dialog);
load_dialog = memnew(FileDialog);
load_dialog->set_file_mode(FileDialog::FILE_MODE_OPEN_FILE);
load_dialog->set_title(TTR("Load Behavior Tree"));
load_dialog->add_filter("*.tres");
load_dialog->hide();
add_child(load_dialog);
extract_dialog = memnew(FileDialog);
extract_dialog->set_file_mode(FileDialog::FILE_MODE_SAVE_FILE);
extract_dialog->set_title(TTR("Save Extracted Tree"));
extract_dialog->add_filter("*.tres");
extract_dialog->hide();
add_child(extract_dialog);
vbox = memnew(VBoxContainer);
vbox->set_anchor(SIDE_RIGHT, ANCHOR_END);
vbox->set_anchor(SIDE_BOTTOM, ANCHOR_END);
add_child(vbox);
HBoxContainer *toolbar = memnew(HBoxContainer);
vbox->add_child(toolbar);
PackedStringArray favorite_tasks_default;
favorite_tasks_default.append("BTSelector");
favorite_tasks_default.append("BTSequence");
favorite_tasks_default.append("BTComment");
GLOBAL_DEF(PropertyInfo(Variant::PACKED_STRING_ARRAY, "limbo_ai/behavior_tree/favorite_tasks", PROPERTY_HINT_ARRAY_TYPE, "String"), favorite_tasks_default);
fav_tasks_hbox = memnew(HBoxContainer);
toolbar->add_child(fav_tasks_hbox);
toolbar->add_child(memnew(VSeparator));
new_btn = memnew(Button);
new_btn->set_text(TTR("New"));
new_btn->set_tooltip_text(TTR("Create a new behavior tree."));
new_btn->set_shortcut(LW_GET_SHORTCUT("limbo_ai/new_behavior_tree"));
new_btn->set_flat(true);
new_btn->set_focus_mode(Control::FOCUS_NONE);
toolbar->add_child(new_btn);
load_btn = memnew(Button);
load_btn->set_text(TTR("Load"));
load_btn->set_tooltip_text(TTR("Load behavior tree from a resource file."));
load_btn->set_shortcut(LW_GET_SHORTCUT("limbo_ai/load_behavior_tree"));
load_btn->set_flat(true);
load_btn->set_focus_mode(Control::FOCUS_NONE);
toolbar->add_child(load_btn);
save_btn = memnew(Button);
save_btn->set_text(TTR("Save"));
save_btn->set_tooltip_text(TTR("Save edited behavior tree to a resource file."));
save_btn->set_shortcut(LW_GET_SHORTCUT("limbo_ai/save_behavior_tree"));
save_btn->set_flat(true);
save_btn->set_focus_mode(Control::FOCUS_NONE);
toolbar->add_child(save_btn);
toolbar->add_child(memnew(VSeparator));
new_script_btn = memnew(Button);
new_script_btn->set_text(TTR("New Task"));
new_script_btn->set_tooltip_text(TTR("Create new task script and edit it."));
new_script_btn->set_flat(true);
new_script_btn->set_focus_mode(Control::FOCUS_NONE);
toolbar->add_child(new_script_btn);
misc_btn = memnew(MenuButton);
misc_btn->set_text(TTR("Misc"));
misc_btn->set_flat(true);
toolbar->add_child(misc_btn);
HBoxContainer *nav = memnew(HBoxContainer);
nav->set_h_size_flags(SIZE_EXPAND | SIZE_SHRINK_END);
toolbar->add_child(nav);
history_back = memnew(Button);
history_back->set_flat(true);
history_back->set_focus_mode(FOCUS_NONE);
nav->add_child(history_back);
history_forward = memnew(Button);
history_forward->set_flat(true);
history_forward->set_focus_mode(FOCUS_NONE);
nav->add_child(history_forward);
header = memnew(Button);
header->set_text_alignment(HORIZONTAL_ALIGNMENT_LEFT);
header->add_theme_constant_override("hseparation", 8);
vbox->add_child(header);
hsc = memnew(HSplitContainer);
hsc->set_h_size_flags(SIZE_EXPAND_FILL);
hsc->set_v_size_flags(SIZE_EXPAND_FILL);
hsc->set_focus_mode(FOCUS_NONE);
vbox->add_child(hsc);
task_tree = memnew(TaskTree);
task_tree->set_v_size_flags(SIZE_EXPAND_FILL);
task_tree->set_h_size_flags(SIZE_EXPAND_FILL);
task_tree->hide();
hsc->add_child(task_tree);
usage_hint = memnew(Panel);
usage_hint->set_v_size_flags(SIZE_EXPAND_FILL);
usage_hint->set_h_size_flags(SIZE_EXPAND_FILL);
hsc->add_child(usage_hint);
Label *usage_label = memnew(Label);
usage_label->set_anchor(SIDE_RIGHT, 1);
usage_label->set_anchor(SIDE_BOTTOM, 1);
usage_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
usage_label->set_vertical_alignment(VERTICAL_ALIGNMENT_CENTER);
usage_label->set_text(TTR("Create a new or load an existing behavior tree."));
usage_hint->add_child(usage_label);
task_palette = memnew(TaskPalette());
hsc->set_split_offset(-300);
task_palette->hide();
hsc->add_child(task_palette);
change_type_popup = memnew(PopupPanel);
add_child(change_type_popup);
{
VBoxContainer *change_type_vbox = memnew(VBoxContainer);
change_type_popup->add_child(change_type_vbox);
Label *change_type_title = memnew(Label);
change_type_vbox->add_child(change_type_title);
change_type_title->set_theme_type_variation("HeaderSmall");
change_type_title->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
change_type_title->set_text(TTR("Choose New Type"));
change_type_palette = memnew(TaskPalette);
change_type_vbox->add_child(change_type_palette);
change_type_palette->use_dialog_mode();
change_type_palette->set_v_size_flags(SIZE_EXPAND_FILL);
}
banners = memnew(VBoxContainer);
vbox->add_child(banners);
menu = memnew(PopupMenu);
add_child(menu);
probability_popup = memnew(PopupPanel);
{
VBoxContainer *vbc = memnew(VBoxContainer);
probability_popup->add_child(vbc);
PanelContainer *mode_panel = memnew(PanelContainer);
vbc->add_child(mode_panel);
HBoxContainer *mode_hbox = memnew(HBoxContainer);
mode_panel->add_child(mode_hbox);
Ref<ButtonGroup> button_group;
button_group.instantiate();
weight_mode = memnew(Button);
mode_hbox->add_child(weight_mode);
weight_mode->set_toggle_mode(true);
weight_mode->set_button_group(button_group);
weight_mode->set_focus_mode(Control::FOCUS_NONE);
weight_mode->set_text(TTR("Weight"));
weight_mode->set_tooltip_text(TTR("Edit weight"));
weight_mode->set_pressed_no_signal(true);
percent_mode = memnew(Button);
mode_hbox->add_child(percent_mode);
percent_mode->set_toggle_mode(true);
percent_mode->set_button_group(button_group);
percent_mode->set_focus_mode(Control::FOCUS_NONE);
percent_mode->set_text(TTR("Percent"));
percent_mode->set_tooltip_text(TTR("Edit percent"));
probability_edit = memnew(EditorSpinSlider);
vbc->add_child(probability_edit);
probability_edit->set_min(0.0);
probability_edit->set_max(10.0);
probability_edit->set_step(0.01);
probability_edit->set_allow_greater(true);
probability_edit->set_custom_minimum_size(Size2(200.0 * EDSCALE, 0.0));
}
add_child(probability_popup);
rename_dialog = memnew(ConfirmationDialog);
{
VBoxContainer *vbc = memnew(VBoxContainer);
rename_dialog->add_child(vbc);
rename_edit = memnew(LineEdit);
vbc->add_child(rename_edit);
rename_edit->set_h_size_flags(Control::SIZE_EXPAND_FILL);
rename_edit->set_custom_minimum_size(Size2(350.0, 0.0));
rename_dialog->register_text_enter(rename_edit);
}
add_child(rename_dialog);
disk_changed = memnew(ConfirmationDialog);
{
VBoxContainer *vbc = memnew(VBoxContainer);
disk_changed->add_child(vbc);
Label *dl = memnew(Label);
dl->set_text(TTR("The following BehaviorTree resources are newer on disk.\nWhat action should be taken?"));
vbc->add_child(dl);
disk_changed_list = memnew(Tree);
vbc->add_child(disk_changed_list);
disk_changed_list->set_v_size_flags(Control::SIZE_EXPAND_FILL);
disk_changed->get_ok_button()->set_text(TTR("Reload"));
disk_changed->add_button(TTR("Resave"), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "resave");
}
info_dialog = memnew(AcceptDialog);
add_child(info_dialog);
BASE_CONTROL()->add_child(disk_changed);
GLOBAL_DEF(PropertyInfo(Variant::STRING, "limbo_ai/behavior_tree/behavior_tree_default_dir", PROPERTY_HINT_DIR), "res://ai/trees");
GLOBAL_DEF(PropertyInfo(Variant::STRING, "limbo_ai/behavior_tree/user_task_dir_1", PROPERTY_HINT_DIR), "res://ai/tasks");
GLOBAL_DEF(PropertyInfo(Variant::STRING, "limbo_ai/behavior_tree/user_task_dir_2", PROPERTY_HINT_DIR), "");
GLOBAL_DEF(PropertyInfo(Variant::STRING, "limbo_ai/behavior_tree/user_task_dir_3", PROPERTY_HINT_DIR), "");
String bt_default_dir = GLOBAL_GET("limbo_ai/behavior_tree/behavior_tree_default_dir");
save_dialog->set_current_dir(bt_default_dir);
load_dialog->set_current_dir(bt_default_dir);
extract_dialog->set_current_dir(bt_default_dir);
}
LimboAIEditor::~LimboAIEditor() {
}
//**** LimboAIEditor ^
//**** LimboAIEditorPlugin
#ifdef LIMBOAI_MODULE
void LimboAIEditorPlugin::apply_changes() {
#elif LIMBOAI_GDEXTENSION
void LimboAIEditorPlugin::_apply_changes() {
#endif
limbo_ai_editor->apply_changes();
}
void LimboAIEditorPlugin::_bind_methods() {
}
void LimboAIEditorPlugin::_notification(int p_notification) {
switch (p_notification) {
case NOTIFICATION_READY: {
add_debugger_plugin(memnew(LimboDebuggerPlugin));
add_inspector_plugin(memnew(EditorInspectorPluginBBPlan));
EditorInspectorPluginVariableName *var_plugin = memnew(EditorInspectorPluginVariableName);
var_plugin->set_plan_getter(Callable(limbo_ai_editor, "get_edited_blackboard_plan"));
add_inspector_plugin(var_plugin);
#ifdef LIMBOAI_MODULE
// ! Only used in the module version.
EditorInspectorPluginBBParam *param_plugin = memnew(EditorInspectorPluginBBParam);
param_plugin->set_plan_getter(Callable(limbo_ai_editor, "get_edited_blackboard_plan"));
add_inspector_plugin(param_plugin);
#endif // LIMBOAI_MODULE
} break;
case NOTIFICATION_ENTER_TREE: {
// Add BehaviorTree to the list of resources that should open in a new inspector.
PackedStringArray open_in_new_inspector = EDITOR_GET("interface/inspector/resources_to_open_in_new_inspector");
if (!open_in_new_inspector.has("BehaviorTree")) {
open_in_new_inspector.push_back("BehaviorTree");
EDITOR_SETTINGS()->set_setting("interface/inspector/resources_to_open_in_new_inspector", open_in_new_inspector);
}
} break;
}
}
#ifdef LIMBOAI_MODULE
void LimboAIEditorPlugin::make_visible(bool p_visible) {
#elif LIMBOAI_GDEXTENSION
void LimboAIEditorPlugin::_make_visible(bool p_visible) {
#endif
limbo_ai_editor->set_visible(p_visible);
}
#ifdef LIMBOAI_MODULE
void LimboAIEditorPlugin::edit(Object *p_object) {
#elif LIMBOAI_GDEXTENSION
void LimboAIEditorPlugin::_edit(Object *p_object) {
#endif
if (Object::cast_to<BehaviorTree>(p_object)) {
limbo_ai_editor->edit_bt(Object::cast_to<BehaviorTree>(p_object));
}
}
#ifdef LIMBOAI_MODULE
bool LimboAIEditorPlugin::handles(Object *p_object) const {
#elif LIMBOAI_GDEXTENSION
bool LimboAIEditorPlugin::_handles(Object *p_object) const {
#endif
if (Object::cast_to<BehaviorTree>(p_object)) {
return true;
}
return false;
}
#ifdef LIMBOAI_GDEXTENSION
Ref<Texture2D> LimboAIEditorPlugin::_get_plugin_icon() const {
return LimboUtility::get_singleton()->get_task_icon("LimboAI");
}
#endif // LIMBOAI_GDEXTENSION
LimboAIEditorPlugin::LimboAIEditorPlugin() {
limbo_ai_editor = memnew(LimboAIEditor());
limbo_ai_editor->set_v_size_flags(Control::SIZE_EXPAND_FILL);
MAIN_SCREEN_CONTROL()->add_child(limbo_ai_editor);
limbo_ai_editor->hide();
limbo_ai_editor->set_plugin(this);
}
LimboAIEditorPlugin::~LimboAIEditorPlugin() {
}
#endif // ! TOOLS_ENABLED
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