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Extract TaskTree code

This commit is contained in:
Serhii Snitsaruk 2023-08-26 10:24:08 +02:00
parent cff4626b2d
commit 0bd60bae88
4 changed files with 352 additions and 367 deletions
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324
editor/limbo_ai_editor_plugin.cpp
View File

@ -14,348 +14,24 @@
#include "limbo_ai_editor_plugin.h" #include "limbo_ai_editor_plugin.h"
#include "action_banner.h" #include "action_banner.h"
#include "modules/limboai/bt/behavior_tree.h"
#include "modules/limboai/bt/tasks/bt_action.h"
#include "modules/limboai/bt/tasks/bt_comment.h" #include "modules/limboai/bt/tasks/bt_comment.h"
#include "modules/limboai/bt/tasks/bt_task.h"
#include "modules/limboai/bt/tasks/composites/bt_parallel.h"
#include "modules/limboai/bt/tasks/composites/bt_selector.h" #include "modules/limboai/bt/tasks/composites/bt_selector.h"
#include "modules/limboai/bt/tasks/composites/bt_sequence.h"
#include "modules/limboai/editor/debugger/limbo_debugger_plugin.h" #include "modules/limboai/editor/debugger/limbo_debugger_plugin.h"
#include "modules/limboai/util/limbo_utility.h" #include "modules/limboai/util/limbo_utility.h"
#include "core/config/project_settings.h" #include "core/config/project_settings.h"
#include "core/error/error_list.h"
#include "core/error/error_macros.h"
#include "core/io/config_file.h"
#include "core/io/dir_access.h"
#include "core/io/image_loader.h"
#include "core/io/resource.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/math/math_defs.h"
#include "core/math/vector2.h"
#include "core/object/callable_method_pointer.h"
#include "core/object/class_db.h"
#include "core/object/object.h"
#include "core/object/script_language.h"
#include "core/object/undo_redo.h"
#include "core/os/memory.h"
#include "core/string/print_string.h"
#include "core/string/string_name.h"
#include "core/string/ustring.h"
#include "core/templates/list.h"
#include "core/templates/vector.h"
#include "core/typedefs.h"
#include "core/variant/array.h"
#include "core/variant/callable.h"
#include "core/variant/dictionary.h"
#include "core/variant/variant.h"
#include "editor/debugger/editor_debugger_node.h" #include "editor/debugger/editor_debugger_node.h"
#include "editor/debugger/script_editor_debugger.h" #include "editor/debugger/script_editor_debugger.h"
#include "editor/editor_file_system.h" #include "editor/editor_file_system.h"
#include "editor/editor_help.h" #include "editor/editor_help.h"
#include "editor/editor_inspector.h"
#include "editor/editor_node.h"
#include "editor/editor_paths.h" #include "editor/editor_paths.h"
#include "editor/editor_plugin.h"
#include "editor/editor_scale.h" #include "editor/editor_scale.h"
#include "editor/editor_settings.h" #include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h" #include "editor/editor_undo_redo_manager.h"
#include "editor/inspector_dock.h" #include "editor/inspector_dock.h"
#include "editor/plugins/script_editor_plugin.h" #include "editor/plugins/script_editor_plugin.h"
#include "editor/project_settings_editor.h" #include "editor/project_settings_editor.h"
#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/control.h"
#include "scene/gui/file_dialog.h"
#include "scene/gui/flow_container.h"
#include "scene/gui/label.h"
#include "scene/gui/line_edit.h"
#include "scene/gui/popup_menu.h"
#include "scene/gui/scroll_container.h"
#include "scene/gui/separator.h" #include "scene/gui/separator.h"
#include "scene/gui/split_container.h"
#include "scene/gui/tree.h"
#include "servers/display_server.h"
//**** TaskTree
TreeItem *TaskTree::_create_tree(const Ref<BTTask> &p_task, TreeItem *p_parent, int p_idx) {
ERR_FAIL_COND_V(p_task.is_null(), nullptr);
TreeItem *item = tree->create_item(p_parent, p_idx);
item->set_metadata(0, p_task);
// p_task->connect("changed"...)
for (int i = 0; i < p_task->get_child_count(); i++) {
_create_tree(p_task->get_child(i), item);
}
_update_item(item);
return item;
}
void TaskTree::_update_item(TreeItem *p_item) {
if (p_item == nullptr) {
return;
}
Ref<BTTask> task = p_item->get_metadata(0);
ERR_FAIL_COND_MSG(!task.is_valid(), "Invalid task reference in metadata.");
p_item->set_text(0, task->get_task_name());
if (task->is_class_ptr(BTComment::get_class_ptr_static())) {
p_item->set_custom_font(0, (get_theme_font(SNAME("doc_italic"), SNAME("EditorFonts"))));
p_item->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
} else if (task->get_custom_name().is_empty()) {
p_item->set_custom_font(0, nullptr);
p_item->clear_custom_color(0);
} else {
p_item->set_custom_font(0, (get_theme_font(SNAME("bold"), SNAME("EditorFonts"))));
// p_item->set_custom_color(0, get_theme_color(SNAME("warning_color"), SNAME("Editor")));
}
String type_arg;
if (task->get_script_instance() && !task->get_script_instance()->get_script()->get_path().is_empty()) {
type_arg = task->get_script_instance()->get_script()->get_path();
} else {
type_arg = task->get_class();
}
p_item->set_icon(0, LimboUtility::get_singleton()->get_task_icon(type_arg));
p_item->set_icon_max_width(0, 16 * EDSCALE);
p_item->set_editable(0, false);
for (int i = 0; i < p_item->get_button_count(0); i++) {
p_item->erase_button(0, i);
}
PackedStringArray warnings = task->get_configuration_warnings();
String warning_text;
for (int j = 0; j < warnings.size(); j++) {
if (j > 0) {
warning_text += "\n";
}
warning_text += warnings[j];
}
if (!warning_text.is_empty()) {
p_item->add_button(0, get_theme_icon(SNAME("NodeWarning"), SNAME("EditorIcons")), 0, false, warning_text);
}
// TODO: Update probabilities.
}
void TaskTree::_update_tree() {
Ref<BTTask> sel;
if (tree->get_selected()) {
sel = tree->get_selected()->get_metadata(0);
}
tree->clear();
if (bt.is_null()) {
return;
}
if (bt->get_root_task().is_valid()) {
_create_tree(bt->get_root_task(), nullptr);
}
TreeItem *item = _find_item(sel);
if (item) {
item->select(0);
}
}
TreeItem *TaskTree::_find_item(const Ref<BTTask> &p_task) const {
if (p_task.is_null()) {
return nullptr;
}
TreeItem *item = tree->get_root();
List<TreeItem *> stack;
while (item && item->get_metadata(0) != p_task) {
if (item->get_child_count() > 0) {
stack.push_back(item->get_first_child());
}
item = item->get_next();
if (item == nullptr && !stack.is_empty()) {
item = stack.front()->get();
stack.pop_front();
}
}
return item;
}
void TaskTree::_on_item_mouse_selected(const Vector2 &p_pos, int p_button_index) {
if (p_button_index == 2) {
emit_signal(SNAME("rmb_pressed"), get_screen_position() + p_pos);
}
}
void TaskTree::_on_item_selected() {
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid()) {
update_task(last_selected);
if (last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
}
last_selected = get_selected();
last_selected->connect("changed", on_task_changed);
emit_signal(SNAME("task_selected"), last_selected);
}
void TaskTree::_on_item_double_clicked() {
emit_signal(SNAME("task_double_clicked"));
}
void TaskTree::_on_task_changed() {
_update_item(tree->get_selected());
}
void TaskTree::load_bt(const Ref<BehaviorTree> &p_behavior_tree) {
ERR_FAIL_COND_MSG(p_behavior_tree.is_null(), "Tried to load a null tree.");
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid() && last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
bt = p_behavior_tree;
tree->clear();
if (bt->get_root_task().is_valid()) {
_create_tree(bt->get_root_task(), nullptr);
}
}
void TaskTree::unload() {
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid() && last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
bt->unreference();
tree->clear();
}
void TaskTree::update_task(const Ref<BTTask> &p_task) {
ERR_FAIL_COND(p_task.is_null());
TreeItem *item = _find_item(p_task);
if (item) {
_update_item(item);
}
}
Ref<BTTask> TaskTree::get_selected() const {
if (tree->get_selected()) {
return tree->get_selected()->get_metadata(0);
}
return nullptr;
}
void TaskTree::deselect() {
TreeItem *sel = tree->get_selected();
if (sel) {
sel->deselect(0);
}
}
Variant TaskTree::_get_drag_data_fw(const Point2 &p_point) {
if (editable && tree->get_item_at_position(p_point)) {
Dictionary drag_data;
drag_data["type"] = "task";
drag_data["task"] = tree->get_item_at_position(p_point)->get_metadata(0);
tree->set_drop_mode_flags(Tree::DROP_MODE_INBETWEEN | Tree::DROP_MODE_ON_ITEM);
return drag_data;
}
return Variant();
}
bool TaskTree::_can_drop_data_fw(const Point2 &p_point, const Variant &p_data) const {
if (!editable) {
return false;
}
Dictionary d = p_data;
if (!d.has("type") || !d.has("task")) {
return false;
}
int section = tree->get_drop_section_at_position(p_point);
TreeItem *item = tree->get_item_at_position(p_point);
if (!item || section < -1 || (section == -1 && !item->get_parent())) {
return false;
}
if (String(d["type"]) == "task") {
Ref<BTTask> task = d["task"];
const Ref<BTTask> to_task = item->get_metadata(0);
if (task != to_task && !to_task->is_descendant_of(task)) {
return true;
}
}
return false;
}
void TaskTree::_drop_data_fw(const Point2 &p_point, const Variant &p_data) {
Dictionary d = p_data;
TreeItem *item = tree->get_item_at_position(p_point);
if (item && d.has("task")) {
Ref<BTTask> task = d["task"];
emit_signal(SNAME("task_dragged"), task, item->get_metadata(0), tree->get_drop_section_at_position(p_point));
}
}
void TaskTree::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
_update_tree();
} break;
}
}
void TaskTree::_bind_methods() {
ClassDB::bind_method(D_METHOD("load_bt", "p_behavior_tree"), &TaskTree::load_bt);
ClassDB::bind_method(D_METHOD("get_bt"), &TaskTree::get_bt);
ClassDB::bind_method(D_METHOD("update_tree"), &TaskTree::update_tree);
ClassDB::bind_method(D_METHOD("update_task", "p_task"), &TaskTree::update_task);
ClassDB::bind_method(D_METHOD("get_selected"), &TaskTree::get_selected);
ClassDB::bind_method(D_METHOD("deselect"), &TaskTree::deselect);
ClassDB::bind_method(D_METHOD("_get_drag_data_fw"), &TaskTree::_get_drag_data_fw);
ClassDB::bind_method(D_METHOD("_can_drop_data_fw"), &TaskTree::_can_drop_data_fw);
ClassDB::bind_method(D_METHOD("_drop_data_fw"), &TaskTree::_drop_data_fw);
ADD_SIGNAL(MethodInfo("rmb_pressed"));
ADD_SIGNAL(MethodInfo("task_selected"));
ADD_SIGNAL(MethodInfo("task_double_clicked"));
ADD_SIGNAL(MethodInfo("task_dragged",
PropertyInfo(Variant::OBJECT, "p_task", PROPERTY_HINT_RESOURCE_TYPE, "BTTask"),
PropertyInfo(Variant::OBJECT, "p_to_task", PROPERTY_HINT_RESOURCE_TYPE, "BTTask"),
PropertyInfo(Variant::INT, "p_type")));
}
TaskTree::TaskTree() {
editable = true;
tree = memnew(Tree);
add_child(tree);
tree->set_columns(2);
tree->set_column_expand(0, true);
tree->set_column_expand(1, false);
tree->set_column_custom_minimum_width(1, 64);
tree->set_anchor(SIDE_RIGHT, ANCHOR_END);
tree->set_anchor(SIDE_BOTTOM, ANCHOR_END);
tree->set_allow_rmb_select(true);
tree->connect("item_mouse_selected", callable_mp(this, &TaskTree::_on_item_mouse_selected));
tree->connect("item_selected", callable_mp(this, &TaskTree::_on_item_selected));
tree->connect("item_activated", callable_mp(this, &TaskTree::_on_item_double_clicked));
tree->set_drag_forwarding(callable_mp(this, &TaskTree::_get_drag_data_fw), callable_mp(this, &TaskTree::_can_drop_data_fw), callable_mp(this, &TaskTree::_drop_data_fw));
}
TaskTree::~TaskTree() {
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid() && last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
}
//**** TaskTree ^
//**** LimboAIEditor //**** LimboAIEditor

44
editor/limbo_ai_editor_plugin.h
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@ -16,6 +16,7 @@
#include "modules/limboai/bt/behavior_tree.h" #include "modules/limboai/bt/behavior_tree.h"
#include "modules/limboai/bt/tasks/bt_task.h" #include "modules/limboai/bt/tasks/bt_task.h"
#include "task_palette.h" #include "task_palette.h"
#include "task_tree.h"
#include "core/object/class_db.h" #include "core/object/class_db.h"
#include "core/object/object.h" #include "core/object/object.h"
@ -34,49 +35,6 @@
#include "scene/gui/tree.h" #include "scene/gui/tree.h"
#include "scene/resources/texture.h" #include "scene/resources/texture.h"
class TaskTree : public Control {
GDCLASS(TaskTree, Control);
private:
Tree *tree;
Ref<BehaviorTree> bt;
Ref<BTTask> last_selected;
bool editable;
TreeItem *_create_tree(const Ref<BTTask> &p_task, TreeItem *p_parent, int p_idx = -1);
void _update_item(TreeItem *p_item);
void _update_tree();
TreeItem *_find_item(const Ref<BTTask> &p_task) const;
void _on_item_selected();
void _on_item_double_clicked();
void _on_item_mouse_selected(const Vector2 &p_pos, int p_button_index);
void _on_task_changed();
Variant _get_drag_data_fw(const Point2 &p_point);
bool _can_drop_data_fw(const Point2 &p_point, const Variant &p_data) const;
void _drop_data_fw(const Point2 &p_point, const Variant &p_data);
protected:
static void _bind_methods();
void _notification(int p_what);
public:
void load_bt(const Ref<BehaviorTree> &p_behavior_tree);
void unload();
Ref<BehaviorTree> get_bt() const { return bt; }
void update_tree() { _update_tree(); }
void update_task(const Ref<BTTask> &p_task);
Ref<BTTask> get_selected() const;
void deselect();
virtual bool editor_can_reload_from_file() { return false; }
TaskTree();
~TaskTree();
};
class LimboAIEditor : public Control { class LimboAIEditor : public Control {
GDCLASS(LimboAIEditor, Control); GDCLASS(LimboAIEditor, Control);

293
editor/task_tree.cpp Normal file
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@ -0,0 +1,293 @@
/**
* task_tree.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.
* =============================================================================
*/
#include "task_tree.h"
#include "modules/limboai/bt/tasks/bt_comment.h"
#include "modules/limboai/util/limbo_utility.h"
#include "editor/editor_scale.h"
//**** TaskTree
TreeItem *TaskTree::_create_tree(const Ref<BTTask> &p_task, TreeItem *p_parent, int p_idx) {
ERR_FAIL_COND_V(p_task.is_null(), nullptr);
TreeItem *item = tree->create_item(p_parent, p_idx);
item->set_metadata(0, p_task);
// p_task->connect("changed"...)
for (int i = 0; i < p_task->get_child_count(); i++) {
_create_tree(p_task->get_child(i), item);
}
_update_item(item);
return item;
}
void TaskTree::_update_item(TreeItem *p_item) {
if (p_item == nullptr) {
return;
}
Ref<BTTask> task = p_item->get_metadata(0);
ERR_FAIL_COND_MSG(!task.is_valid(), "Invalid task reference in metadata.");
p_item->set_text(0, task->get_task_name());
if (task->is_class_ptr(BTComment::get_class_ptr_static())) {
p_item->set_custom_font(0, (get_theme_font(SNAME("doc_italic"), SNAME("EditorFonts"))));
p_item->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
} else if (task->get_custom_name().is_empty()) {
p_item->set_custom_font(0, nullptr);
p_item->clear_custom_color(0);
} else {
p_item->set_custom_font(0, (get_theme_font(SNAME("bold"), SNAME("EditorFonts"))));
// p_item->set_custom_color(0, get_theme_color(SNAME("warning_color"), SNAME("Editor")));
}
String type_arg;
if (task->get_script_instance() && !task->get_script_instance()->get_script()->get_path().is_empty()) {
type_arg = task->get_script_instance()->get_script()->get_path();
} else {
type_arg = task->get_class();
}
p_item->set_icon(0, LimboUtility::get_singleton()->get_task_icon(type_arg));
p_item->set_icon_max_width(0, 16 * EDSCALE);
p_item->set_editable(0, false);
for (int i = 0; i < p_item->get_button_count(0); i++) {
p_item->erase_button(0, i);
}
PackedStringArray warnings = task->get_configuration_warnings();
String warning_text;
for (int j = 0; j < warnings.size(); j++) {
if (j > 0) {
warning_text += "\n";
}
warning_text += warnings[j];
}
if (!warning_text.is_empty()) {
p_item->add_button(0, get_theme_icon(SNAME("NodeWarning"), SNAME("EditorIcons")), 0, false, warning_text);
}
// TODO: Update probabilities.
}
void TaskTree::_update_tree() {
Ref<BTTask> sel;
if (tree->get_selected()) {
sel = tree->get_selected()->get_metadata(0);
}
tree->clear();
if (bt.is_null()) {
return;
}
if (bt->get_root_task().is_valid()) {
_create_tree(bt->get_root_task(), nullptr);
}
TreeItem *item = _find_item(sel);
if (item) {
item->select(0);
}
}
TreeItem *TaskTree::_find_item(const Ref<BTTask> &p_task) const {
if (p_task.is_null()) {
return nullptr;
}
TreeItem *item = tree->get_root();
List<TreeItem *> stack;
while (item && item->get_metadata(0) != p_task) {
if (item->get_child_count() > 0) {
stack.push_back(item->get_first_child());
}
item = item->get_next();
if (item == nullptr && !stack.is_empty()) {
item = stack.front()->get();
stack.pop_front();
}
}
return item;
}
void TaskTree::_on_item_mouse_selected(const Vector2 &p_pos, int p_button_index) {
if (p_button_index == 2) {
emit_signal(SNAME("rmb_pressed"), get_screen_position() + p_pos);
}
}
void TaskTree::_on_item_selected() {
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid()) {
update_task(last_selected);
if (last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
}
last_selected = get_selected();
last_selected->connect("changed", on_task_changed);
emit_signal(SNAME("task_selected"), last_selected);
}
void TaskTree::_on_item_double_clicked() {
emit_signal(SNAME("task_double_clicked"));
}
void TaskTree::_on_task_changed() {
_update_item(tree->get_selected());
}
void TaskTree::load_bt(const Ref<BehaviorTree> &p_behavior_tree) {
ERR_FAIL_COND_MSG(p_behavior_tree.is_null(), "Tried to load a null tree.");
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid() && last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
bt = p_behavior_tree;
tree->clear();
if (bt->get_root_task().is_valid()) {
_create_tree(bt->get_root_task(), nullptr);
}
}
void TaskTree::unload() {
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid() && last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
bt->unreference();
tree->clear();
}
void TaskTree::update_task(const Ref<BTTask> &p_task) {
ERR_FAIL_COND(p_task.is_null());
TreeItem *item = _find_item(p_task);
if (item) {
_update_item(item);
}
}
Ref<BTTask> TaskTree::get_selected() const {
if (tree->get_selected()) {
return tree->get_selected()->get_metadata(0);
}
return nullptr;
}
void TaskTree::deselect() {
TreeItem *sel = tree->get_selected();
if (sel) {
sel->deselect(0);
}
}
Variant TaskTree::_get_drag_data_fw(const Point2 &p_point) {
if (editable && tree->get_item_at_position(p_point)) {
Dictionary drag_data;
drag_data["type"] = "task";
drag_data["task"] = tree->get_item_at_position(p_point)->get_metadata(0);
tree->set_drop_mode_flags(Tree::DROP_MODE_INBETWEEN | Tree::DROP_MODE_ON_ITEM);
return drag_data;
}
return Variant();
}
bool TaskTree::_can_drop_data_fw(const Point2 &p_point, const Variant &p_data) const {
if (!editable) {
return false;
}
Dictionary d = p_data;
if (!d.has("type") || !d.has("task")) {
return false;
}
int section = tree->get_drop_section_at_position(p_point);
TreeItem *item = tree->get_item_at_position(p_point);
if (!item || section < -1 || (section == -1 && !item->get_parent())) {
return false;
}
if (String(d["type"]) == "task") {
Ref<BTTask> task = d["task"];
const Ref<BTTask> to_task = item->get_metadata(0);
if (task != to_task && !to_task->is_descendant_of(task)) {
return true;
}
}
return false;
}
void TaskTree::_drop_data_fw(const Point2 &p_point, const Variant &p_data) {
Dictionary d = p_data;
TreeItem *item = tree->get_item_at_position(p_point);
if (item && d.has("task")) {
Ref<BTTask> task = d["task"];
emit_signal(SNAME("task_dragged"), task, item->get_metadata(0), tree->get_drop_section_at_position(p_point));
}
}
void TaskTree::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
_update_tree();
} break;
}
}
void TaskTree::_bind_methods() {
ClassDB::bind_method(D_METHOD("load_bt", "p_behavior_tree"), &TaskTree::load_bt);
ClassDB::bind_method(D_METHOD("get_bt"), &TaskTree::get_bt);
ClassDB::bind_method(D_METHOD("update_tree"), &TaskTree::update_tree);
ClassDB::bind_method(D_METHOD("update_task", "p_task"), &TaskTree::update_task);
ClassDB::bind_method(D_METHOD("get_selected"), &TaskTree::get_selected);
ClassDB::bind_method(D_METHOD("deselect"), &TaskTree::deselect);
ClassDB::bind_method(D_METHOD("_get_drag_data_fw"), &TaskTree::_get_drag_data_fw);
ClassDB::bind_method(D_METHOD("_can_drop_data_fw"), &TaskTree::_can_drop_data_fw);
ClassDB::bind_method(D_METHOD("_drop_data_fw"), &TaskTree::_drop_data_fw);
ADD_SIGNAL(MethodInfo("rmb_pressed"));
ADD_SIGNAL(MethodInfo("task_selected"));
ADD_SIGNAL(MethodInfo("task_double_clicked"));
ADD_SIGNAL(MethodInfo("task_dragged",
PropertyInfo(Variant::OBJECT, "p_task", PROPERTY_HINT_RESOURCE_TYPE, "BTTask"),
PropertyInfo(Variant::OBJECT, "p_to_task", PROPERTY_HINT_RESOURCE_TYPE, "BTTask"),
PropertyInfo(Variant::INT, "p_type")));
}
TaskTree::TaskTree() {
editable = true;
tree = memnew(Tree);
add_child(tree);
tree->set_columns(2);
tree->set_column_expand(0, true);
tree->set_column_expand(1, false);
tree->set_column_custom_minimum_width(1, 64);
tree->set_anchor(SIDE_RIGHT, ANCHOR_END);
tree->set_anchor(SIDE_BOTTOM, ANCHOR_END);
tree->set_allow_rmb_select(true);
tree->connect("item_mouse_selected", callable_mp(this, &TaskTree::_on_item_mouse_selected));
tree->connect("item_selected", callable_mp(this, &TaskTree::_on_item_selected));
tree->connect("item_activated", callable_mp(this, &TaskTree::_on_item_double_clicked));
tree->set_drag_forwarding(callable_mp(this, &TaskTree::_get_drag_data_fw), callable_mp(this, &TaskTree::_can_drop_data_fw), callable_mp(this, &TaskTree::_drop_data_fw));
}
TaskTree::~TaskTree() {
Callable on_task_changed = callable_mp(this, &TaskTree::_on_task_changed);
if (last_selected.is_valid() && last_selected->is_connected("changed", on_task_changed)) {
last_selected->disconnect("changed", on_task_changed);
}
}

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/**
* task_tree.h
* =============================================================================
* 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.
* =============================================================================
*/
#include "modules/limboai/bt/behavior_tree.h"
#include "scene/gui/control.h"
#include "scene/gui/tree.h"
class TaskTree : public Control {
GDCLASS(TaskTree, Control);
private:
Tree *tree;
Ref<BehaviorTree> bt;
Ref<BTTask> last_selected;
bool editable;
TreeItem *_create_tree(const Ref<BTTask> &p_task, TreeItem *p_parent, int p_idx = -1);
void _update_item(TreeItem *p_item);
void _update_tree();
TreeItem *_find_item(const Ref<BTTask> &p_task) const;
void _on_item_selected();
void _on_item_double_clicked();
void _on_item_mouse_selected(const Vector2 &p_pos, int p_button_index);
void _on_task_changed();
Variant _get_drag_data_fw(const Point2 &p_point);
bool _can_drop_data_fw(const Point2 &p_point, const Variant &p_data) const;
void _drop_data_fw(const Point2 &p_point, const Variant &p_data);
protected:
static void _bind_methods();
void _notification(int p_what);
public:
void load_bt(const Ref<BehaviorTree> &p_behavior_tree);
void unload();
Ref<BehaviorTree> get_bt() const { return bt; }
void update_tree() { _update_tree(); }
void update_task(const Ref<BTTask> &p_task);
Ref<BTTask> get_selected() const;
void deselect();
virtual bool editor_can_reload_from_file() { return false; }
TaskTree();
~TaskTree();
};