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limboai/editor/blackboard_plan_editor.cpp

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/**
* blackboard_plan_editor.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.
* =============================================================================
*/
#ifdef TOOLS_ENABLED
#include "blackboard_plan_editor.h"
#include "../util/limbo_compat.h"
#include "../util/limbo_string_names.h"
#include "../util/limbo_utility.h"
#ifdef LIMBOAI_MODULE
#include "editor/editor_interface.h"
#include "editor/editor_scale.h"
#include "scene/gui/line_edit.h"
#include "scene/gui/panel_container.h"
#include "scene/resources/style_box_flat.h"
#endif // LIMBOAI_MODULE
#ifdef LIMBOAI_GDEXTENSION
#include <godot_cpp/classes/button.hpp>
#include <godot_cpp/classes/editor_interface.hpp>
#include <godot_cpp/classes/h_box_container.hpp>
#include <godot_cpp/classes/input.hpp>
#include <godot_cpp/classes/input_event_mouse_motion.hpp>
#include <godot_cpp/classes/label.hpp>
#include <godot_cpp/classes/line_edit.hpp>
#include <godot_cpp/classes/margin_container.hpp>
#include <godot_cpp/classes/theme.hpp>
using namespace godot;
#endif // LIMBOAI_GDEXTENSION
BlackboardPlanEditor *BlackboardPlanEditor::singleton = nullptr;
LineEdit *BlackboardPlanEditor::_get_name_edit(int p_row_index) const {
return Object::cast_to<LineEdit>(rows_vbox->get_child(p_row_index)->get_child(0)->get_child(1));
}
void BlackboardPlanEditor::_add_var() {
ERR_FAIL_NULL(plan);
int suffix = 1;
StringName var_name = default_var_name;
while (plan->has_var(var_name)) {
suffix += 1;
var_name = String(default_var_name) + itos(suffix);
}
BBVariable var(Variant::Type::FLOAT);
plan->add_var(var_name, var);
_refresh();
}
void BlackboardPlanEditor::_trash_var(int p_index) {
ERR_FAIL_NULL(plan);
StringName var_name = plan->get_var_by_index(p_index).first;
plan->remove_var(var_name);
_refresh();
}
void BlackboardPlanEditor::_rename_var(const StringName &p_new_name, int p_index) {
ERR_FAIL_NULL(plan);
LineEdit *name_edit = _get_name_edit(p_index);
ERR_FAIL_NULL(name_edit);
bool is_valid_var_name = plan->is_valid_var_name(p_new_name);
if (is_valid_var_name) {
plan->rename_var(plan->get_var_by_index(p_index).first, p_new_name);
}
if (is_valid_var_name || plan->get_var_by_index(p_index).first == p_new_name) {
if (name_edit->has_theme_color_override(LW_NAME(font_color))) {
name_edit->remove_theme_color_override(LW_NAME(font_color));
name_edit->queue_redraw();
}
} else {
if (!name_edit->has_theme_color_override(LW_NAME(font_color))) {
name_edit->add_theme_color_override(LW_NAME(font_color), Color(1, 0, 0));
name_edit->queue_redraw();
}
}
}
void BlackboardPlanEditor::_change_var_type(Variant::Type p_new_type, int p_index) {
ERR_FAIL_NULL(plan);
BBVariable var = plan->get_var_by_index(p_index).second;
if (var.get_type() == p_new_type) {
return;
}
PackedInt32Array allowed_hints = LimboUtility::get_singleton()->get_property_hints_allowed_for_type(p_new_type);
if (!allowed_hints.has(var.get_hint())) {
var.set_hint(PROPERTY_HINT_NONE);
}
var.set_type(p_new_type);
plan->notify_property_list_changed();
_refresh();
}
void BlackboardPlanEditor::_change_var_hint(PropertyHint p_new_hint, int p_index) {
ERR_FAIL_NULL(plan);
plan->get_var_by_index(p_index).second.set_hint(p_new_hint);
plan->notify_property_list_changed();
_refresh();
}
void BlackboardPlanEditor::_change_var_hint_string(const String &p_new_hint_string, int p_index) {
ERR_FAIL_NULL(plan);
plan->get_var_by_index(p_index).second.set_hint_string(p_new_hint_string);
plan->notify_property_list_changed();
}
void BlackboardPlanEditor::edit_plan(const Ref<BlackboardPlan> &p_plan) {
plan = p_plan;
_refresh();
}
void BlackboardPlanEditor::set_next_var_name(const StringName &p_name) {
if (String(p_name).is_valid_identifier()) {
default_var_name = p_name;
}
}
void BlackboardPlanEditor::_show_button_popup(Button *p_button, PopupMenu *p_popup, int p_index) {
ERR_FAIL_NULL(p_button);
ERR_FAIL_NULL(p_popup);
Transform2D xform = p_button->get_screen_transform();
Rect2 rect(xform.get_origin(), xform.get_scale() * p_button->get_size());
rect.position.y += rect.size.height;
rect.size.height = 0;
p_popup->set_size(rect.size);
p_popup->set_position(rect.position);
if (p_popup == hint_menu) {
hint_menu->clear();
hint_menu->reset_size();
Variant::Type t = plan->get_var_by_index(p_index).second.get_type();
PackedInt32Array hints = LimboUtility::get_singleton()->get_property_hints_allowed_for_type(t);
for (int i = 0; i < hints.size(); i++) {
hint_menu->add_item(LimboUtility::get_singleton()->get_property_hint_text(PropertyHint(hints[i])), hints[i]);
}
}
last_index = p_index;
p_popup->popup();
}
void BlackboardPlanEditor::_type_chosen(int id) {
_change_var_type(Variant::Type(id), last_index);
}
void BlackboardPlanEditor::_hint_chosen(int id) {
_change_var_hint(PropertyHint(id), last_index);
}
void BlackboardPlanEditor::_add_var_pressed() {
_add_var();
LineEdit *name_edit = _get_name_edit(rows_vbox->get_child_count() - 1);
name_edit->grab_focus();
name_edit->select_all();
// Note: Scroll to the end, delay is necessary here.
scroll_container->call_deferred(LW_NAME(call_deferred), LW_NAME(set_v_scroll), 888888888);
}
void BlackboardPlanEditor::_prefetching_toggled(bool p_toggle_on) {
ERR_FAIL_COND(plan.is_null());
plan->set_prefetch_nodepath_vars(p_toggle_on);
}
void BlackboardPlanEditor::_drag_button_down(Control *p_row) {
drag_index = p_row->get_index();
drag_start = drag_index;
drag_mouse_y_delta = 0.0;
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
}
void BlackboardPlanEditor::_drag_button_up() {
Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
plan->move_var(drag_start, drag_index);
drag_index = -1;
drag_start = -1;
_refresh();
}
void BlackboardPlanEditor::_drag_button_gui_input(const Ref<InputEvent> &p_event) {
if (drag_index < 0) {
return;
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_null()) {
return;
}
drag_mouse_y_delta += mm->get_relative().y;
if ((drag_index == 0 && drag_mouse_y_delta < 0.0) || (drag_index == (plan->get_var_count() - 1) && drag_mouse_y_delta > 0.0)) {
drag_mouse_y_delta = 0.0;
return;
}
float required_distance = 30.0f * EDSCALE;
if (ABS(drag_mouse_y_delta) > required_distance) {
int drag_dir = drag_mouse_y_delta > 0.0f ? 1 : -1;
drag_mouse_y_delta -= required_distance * drag_dir;
Control *row = Object::cast_to<Control>(rows_vbox->get_child(drag_index));
Control *other_row = Object::cast_to<Control>(rows_vbox->get_child(drag_index + drag_dir));
ERR_FAIL_NULL(row);
ERR_FAIL_NULL(other_row);
rows_vbox->move_child(row, drag_index + drag_dir);
ADD_STYLEBOX_OVERRIDE(row, LW_NAME(panel), row->get_index() % 2 ? theme_cache.odd_style : theme_cache.even_style);
ADD_STYLEBOX_OVERRIDE(other_row, LW_NAME(panel), other_row->get_index() % 2 ? theme_cache.odd_style : theme_cache.even_style);
drag_index += drag_dir;
}
}
void BlackboardPlanEditor::_visibility_changed() {
if (!is_visible() && plan.is_valid()) {
plan->notify_property_list_changed();
default_var_name = "var";
}
}
void BlackboardPlanEditor::_refresh() {
for (int i = 0; i < rows_vbox->get_child_count(); i++) {
Control *child = Object::cast_to<Control>(rows_vbox->get_child(i));
ERR_FAIL_NULL(child);
child->hide();
child->queue_free();
}
nodepath_prefetching->set_pressed(plan->is_prefetching_nodepath_vars());
PackedStringArray names = plan->list_vars();
int idx = 0;
for (const String &var_name : names) {
BBVariable var = plan->get_var(var_name);
PanelContainer *row_panel = memnew(PanelContainer);
rows_vbox->add_child(row_panel);
ADD_STYLEBOX_OVERRIDE(row_panel, LW_NAME(panel), idx % 2 ? theme_cache.odd_style : theme_cache.even_style);
row_panel->set_h_size_flags(Control::SIZE_EXPAND_FILL);
HBoxContainer *props_hbox = memnew(HBoxContainer);
row_panel->add_child(props_hbox);
props_hbox->set_h_size_flags(Control::SIZE_EXPAND_FILL);
Button *drag_button = memnew(Button);
props_hbox->add_child(drag_button);
drag_button->set_custom_minimum_size(Size2(28.0, 28.0) * EDSCALE);
BUTTON_SET_ICON(drag_button, theme_cache.grab_icon);
drag_button->connect(LW_NAME(gui_input), callable_mp(this, &BlackboardPlanEditor::_drag_button_gui_input));
drag_button->connect(LW_NAME(button_down), callable_mp(this, &BlackboardPlanEditor::_drag_button_down).bind(row_panel));
drag_button->connect(LW_NAME(button_up), callable_mp(this, &BlackboardPlanEditor::_drag_button_up));
LineEdit *name_edit = memnew(LineEdit);
props_hbox->add_child(name_edit);
name_edit->set_text(var_name);
name_edit->set_placeholder(TTR("Variable name"));
name_edit->set_flat(true);
name_edit->set_custom_minimum_size(Size2(300.0, 0.0) * EDSCALE);
name_edit->connect(LW_NAME(text_changed), callable_mp(this, &BlackboardPlanEditor::_rename_var).bind(idx));
name_edit->connect(LW_NAME(text_submitted), callable_mp(this, &BlackboardPlanEditor::_refresh).unbind(1));
Button *type_choice = memnew(Button);
props_hbox->add_child(type_choice);
type_choice->set_custom_minimum_size(Size2(170, 0.0) * EDSCALE);
type_choice->set_text(Variant::get_type_name(var.get_type()));
type_choice->set_tooltip_text(Variant::get_type_name(var.get_type()));
BUTTON_SET_ICON(type_choice, get_theme_icon(Variant::get_type_name(var.get_type()), LW_NAME(EditorIcons)));
type_choice->set_text_overrun_behavior(TextServer::OVERRUN_TRIM_ELLIPSIS);
type_choice->set_flat(true);
type_choice->set_text_alignment(HORIZONTAL_ALIGNMENT_LEFT);
type_choice->connect(LW_NAME(pressed), callable_mp(this, &BlackboardPlanEditor::_show_button_popup).bind(type_choice, type_menu, idx));
Button *hint_choice = memnew(Button);
props_hbox->add_child(hint_choice);
hint_choice->set_custom_minimum_size(Size2(150.0, 0.0) * EDSCALE);
hint_choice->set_text(LimboUtility::get_singleton()->get_property_hint_text(var.get_hint()));
hint_choice->set_tooltip_text(LimboUtility::get_singleton()->get_property_hint_text(var.get_hint()));
hint_choice->set_text_overrun_behavior(TextServer::OVERRUN_TRIM_ELLIPSIS);
hint_choice->set_flat(true);
hint_choice->set_text_alignment(HORIZONTAL_ALIGNMENT_LEFT);
hint_choice->connect(LW_NAME(pressed), callable_mp(this, &BlackboardPlanEditor::_show_button_popup).bind(hint_choice, hint_menu, idx));
LineEdit *hint_string_edit = memnew(LineEdit);
props_hbox->add_child(hint_string_edit);
hint_string_edit->set_custom_minimum_size(Size2(300.0, 0.0) * EDSCALE);
hint_string_edit->set_text(var.get_hint_string());
hint_string_edit->set_placeholder(TTR("Hint string"));
hint_string_edit->set_h_size_flags(Control::SIZE_EXPAND_FILL);
hint_string_edit->set_flat(true);
hint_string_edit->connect(LW_NAME(text_changed), callable_mp(this, &BlackboardPlanEditor::_change_var_hint_string).bind(idx));
hint_string_edit->connect(LW_NAME(text_submitted), callable_mp(this, &BlackboardPlanEditor::_refresh).unbind(1));
Button *trash_button = memnew(Button);
props_hbox->add_child(trash_button);
trash_button->set_custom_minimum_size(Size2(24.0, 0.0) * EDSCALE);
BUTTON_SET_ICON(trash_button, theme_cache.trash_icon);
trash_button->connect(LW_NAME(pressed), callable_mp(this, &BlackboardPlanEditor::_trash_var).bind(idx));
idx += 1;
}
}
void BlackboardPlanEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
theme_cache.trash_icon = get_theme_icon(LW_NAME(Remove), LW_NAME(EditorIcons));
theme_cache.grab_icon = get_theme_icon(LW_NAME(TripleBar), LW_NAME(EditorIcons));
BUTTON_SET_ICON(add_var_tool, get_theme_icon(LW_NAME(Add), LW_NAME(EditorIcons)));
type_menu->clear();
for (int i = 0; i < Variant::VARIANT_MAX; i++) {
if (i == Variant::RID || i == Variant::CALLABLE || i == Variant::SIGNAL) {
continue;
}
String type = Variant::get_type_name(Variant::Type(i));
type_menu->add_icon_item(get_theme_icon(type, LW_NAME(EditorIcons)), type, i);
}
ADD_STYLEBOX_OVERRIDE(scroll_container, LW_NAME(panel), get_theme_stylebox(LW_NAME(panel), LW_NAME(Tree)));
Color bg_color = get_theme_color(LW_NAME(dark_color_2), LW_NAME(Editor));
theme_cache.odd_style->set_bg_color(bg_color.darkened(-0.05));
theme_cache.even_style->set_bg_color(bg_color.darkened(0.05));
theme_cache.header_style->set_bg_color(bg_color.darkened(-0.2));
ADD_STYLEBOX_OVERRIDE(header_row, LW_NAME(panel), theme_cache.header_style);
} break;
case NOTIFICATION_ENTER_TREE: {
add_var_tool->connect(LW_NAME(pressed), callable_mp(this, &BlackboardPlanEditor::_add_var_pressed));
connect(LW_NAME(visibility_changed), callable_mp(this, &BlackboardPlanEditor::_visibility_changed));
type_menu->connect(LW_NAME(id_pressed), callable_mp(this, &BlackboardPlanEditor::_type_chosen));
hint_menu->connect(LW_NAME(id_pressed), callable_mp(this, &BlackboardPlanEditor::_hint_chosen));
nodepath_prefetching->connect(LW_NAME(toggled), callable_mp(this, &BlackboardPlanEditor::_prefetching_toggled));
for (int i = 0; i < PropertyHint::PROPERTY_HINT_MAX; i++) {
hint_menu->add_item(LimboUtility::get_singleton()->get_property_hint_text(PropertyHint(i)), i);
}
singleton = this;
} break;
case NOTIFICATION_EXIT_TREE: {
if (singleton == this) {
singleton = nullptr;
}
} break;
}
}
BlackboardPlanEditor::BlackboardPlanEditor() {
default_var_name = "var";
set_title(TTR("Manage Blackboard Plan"));
VBoxContainer *vbox = memnew(VBoxContainer);
vbox->add_theme_constant_override(LW_NAME(separation), 8 * EDSCALE);
add_child(vbox);
HBoxContainer *toolbar = memnew(HBoxContainer);
vbox->add_child(toolbar);
add_var_tool = memnew(Button);
toolbar->add_child(add_var_tool);
add_var_tool->set_focus_mode(Control::FOCUS_NONE);
add_var_tool->set_text(TTR("Add variable"));
nodepath_prefetching = memnew(CheckBox);
toolbar->add_child(nodepath_prefetching);
nodepath_prefetching->set_text(TTR("NodePath Prefetching"));
nodepath_prefetching->set_tooltip_text(TTR("If checked, NodePath variables will be prefetched on Blackboard initialization."));
nodepath_prefetching->set_h_size_flags(Control::SIZE_EXPAND | Control::SIZE_SHRINK_END);
nodepath_prefetching->set_focus_mode(Control::FOCUS_NONE);
{
// * Header
header_row = memnew(PanelContainer);
vbox->add_child(header_row);
header_row->set_h_size_flags(Control::SIZE_EXPAND_FILL);
HBoxContainer *labels_hbox = memnew(HBoxContainer);
header_row->add_child(labels_hbox);
labels_hbox->set_h_size_flags(Control::SIZE_EXPAND_FILL);
Control *offset = memnew(Control);
labels_hbox->add_child(offset);
offset->set_custom_minimum_size(Size2(2.0, 0.0) * EDSCALE);
Label *drag_header = memnew(Label);
labels_hbox->add_child(drag_header);
drag_header->set_custom_minimum_size(Size2(28.0, 28.0) * EDSCALE);
Label *name_header = memnew(Label);
labels_hbox->add_child(name_header);
name_header->set_text(TTR("Name"));
name_header->set_custom_minimum_size(Size2(300.0, 0.0) * EDSCALE);
name_header->set_theme_type_variation(LW_NAME(HeaderSmall));
Label *type_header = memnew(Label);
labels_hbox->add_child(type_header);
type_header->set_text(TTR("Type"));
type_header->set_custom_minimum_size(Size2(170, 0.0) * EDSCALE);
type_header->set_theme_type_variation(LW_NAME(HeaderSmall));
Label *hint_header = memnew(Label);
labels_hbox->add_child(hint_header);
hint_header->set_text(TTR("Hint"));
hint_header->set_custom_minimum_size(Size2(150.0, 0.0) * EDSCALE);
hint_header->set_theme_type_variation(LW_NAME(HeaderSmall));
Label *hint_string_header = memnew(Label);
labels_hbox->add_child(hint_string_header);
hint_string_header->set_text(TTR("Hint string"));
hint_string_header->set_custom_minimum_size(Size2(300.0, 0.0) * EDSCALE);
hint_string_header->set_h_size_flags(Control::SIZE_EXPAND_FILL);
hint_string_header->set_theme_type_variation(LW_NAME(HeaderSmall));
}
scroll_container = memnew(ScrollContainer);
vbox->add_child(scroll_container);
scroll_container->set_v_size_flags(Control::SIZE_EXPAND_FILL);
scroll_container->set_h_size_flags(Control::SIZE_EXPAND_FILL);
scroll_container->set_horizontal_scroll_mode(ScrollContainer::SCROLL_MODE_DISABLED);
scroll_container->set_custom_minimum_size(Size2(0.0, 600.0) * EDSCALE);
rows_vbox = memnew(VBoxContainer);
scroll_container->add_child(rows_vbox);
rows_vbox->set_h_size_flags(Control::SIZE_EXPAND_FILL);
rows_vbox->add_theme_constant_override(LW_NAME(separation), 0);
type_menu = memnew(PopupMenu);
add_child(type_menu);
hint_menu = memnew(PopupMenu);
add_child(hint_menu);
theme_cache.odd_style.instantiate();
theme_cache.even_style.instantiate();
theme_cache.header_style.instantiate();
}
// ***** EditorInspectorPluginBBPlan *****
void EditorInspectorPluginBBPlan::_edit_plan(const Ref<BlackboardPlan> &p_plan) {
ERR_FAIL_NULL(p_plan);
plan_editor->edit_plan(p_plan);
plan_editor->popup_centered();
}
void EditorInspectorPluginBBPlan::_open_base_plan(const Ref<BlackboardPlan> &p_plan) {
ERR_FAIL_NULL(p_plan);
ERR_FAIL_NULL(p_plan->get_base_plan());
EditorInterface::get_singleton()->call_deferred("edit_resource", p_plan->get_base_plan());
}
#ifdef LIMBOAI_MODULE
bool EditorInspectorPluginBBPlan::can_handle(Object *p_object) {
#elif LIMBOAI_GDEXTENSION
bool EditorInspectorPluginBBPlan::_can_handle(Object *p_object) const {
#endif
Ref<BlackboardPlan> plan = Object::cast_to<BlackboardPlan>(p_object);
if (plan.is_valid()) {
plan->sync_with_base_plan();
}
return plan.is_valid();
}
#ifdef LIMBOAI_MODULE
void EditorInspectorPluginBBPlan::parse_begin(Object *p_object) {
#elif LIMBOAI_GDEXTENSION
void EditorInspectorPluginBBPlan::_parse_begin(Object *p_object) {
#endif
Ref<BlackboardPlan> plan = Object::cast_to<BlackboardPlan>(p_object);
ERR_FAIL_NULL(plan);
PanelContainer *panel = memnew(PanelContainer);
ADD_STYLEBOX_OVERRIDE(panel, LW_NAME(panel), toolbar_style);
MarginContainer *margin_container = memnew(MarginContainer);
panel->add_child(margin_container);
margin_container->set_theme_type_variation("MarginContainer4px");
margin_container->set_v_size_flags(Control::SIZE_EXPAND_FILL);
margin_container->set_h_size_flags(Control::SIZE_EXPAND_FILL);
VBoxContainer *toolbar = memnew(VBoxContainer);
margin_container->add_child(toolbar);
toolbar->set_h_size_flags(Control::SIZE_EXPAND_FILL);
if (plan->is_derived()) {
Button *goto_btn = memnew(Button);
toolbar->add_child(goto_btn);
goto_btn->set_text(TTR("Edit Base"));
goto_btn->set_h_size_flags(Control::SIZE_SHRINK_CENTER);
goto_btn->set_custom_minimum_size(Size2(150.0, 0.0) * EDSCALE);
BUTTON_SET_ICON(goto_btn, EditorInterface::get_singleton()->get_editor_theme()->get_icon(LW_NAME(Edit), LW_NAME(EditorIcons)));
goto_btn->connect(LW_NAME(pressed), callable_mp(this, &EditorInspectorPluginBBPlan::_open_base_plan).bind(plan));
} else {
Button *edit_btn = memnew(Button);
toolbar->add_child(edit_btn);
edit_btn->set_text(TTR("Manage..."));
edit_btn->set_h_size_flags(Control::SIZE_SHRINK_CENTER);
edit_btn->set_custom_minimum_size(Size2(150.0, 0.0) * EDSCALE);
BUTTON_SET_ICON(edit_btn, EditorInterface::get_singleton()->get_editor_theme()->get_icon(LW_NAME(EditAddRemove), LW_NAME(EditorIcons)));
edit_btn->connect(LW_NAME(pressed), callable_mp(this, &EditorInspectorPluginBBPlan::_edit_plan).bind(plan));
}
add_custom_control(panel);
}
EditorInspectorPluginBBPlan::EditorInspectorPluginBBPlan() {
plan_editor = memnew(BlackboardPlanEditor);
EditorInterface::get_singleton()->get_base_control()->add_child(plan_editor);
plan_editor->hide();
toolbar_style = Ref<StyleBoxFlat>(memnew(StyleBoxFlat));
Color bg = EditorInterface::get_singleton()->get_editor_theme()->get_color(LW_NAME(accent_color), LW_NAME(Editor));
bg = bg.darkened(-0.1);
bg.a *= 0.2;
toolbar_style->set_bg_color(bg);
}
#endif // TOOLS_ENABLED
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