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virtualx-engine/editor/plugins/animation_state_machine_editor.cpp

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/**************************************************************************/
/* animation_state_machine_editor.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "animation_state_machine_editor.h"
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/io/resource_loader.h"
#include "core/math/geometry_2d.h"
#include "core/os/keyboard.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/gui/editor_file_dialog.h"
#include "scene/animation/animation_blend_tree.h"
#include "scene/animation/animation_player.h"
#include "scene/gui/menu_button.h"
#include "scene/gui/option_button.h"
#include "scene/gui/panel.h"
#include "scene/gui/panel_container.h"
#include "scene/gui/separator.h"
#include "scene/gui/tree.h"
#include "scene/main/viewport.h"
#include "scene/main/window.h"
#include "scene/resources/style_box_flat.h"
#include "scene/scene_string_names.h"
bool AnimationNodeStateMachineEditor::can_edit(const Ref<AnimationNode> &p_node) {
Ref<AnimationNodeStateMachine> ansm = p_node;
return ansm.is_valid();
}
void AnimationNodeStateMachineEditor::edit(const Ref<AnimationNode> &p_node) {
state_machine = p_node;
read_only = false;
if (state_machine.is_valid()) {
read_only = EditorNode::get_singleton()->is_resource_read_only(state_machine);
selected_transition_from = StringName();
selected_transition_to = StringName();
selected_transition_index = -1;
selected_node = StringName();
selected_nodes.clear();
_update_mode();
_update_graph();
}
tool_create->set_disabled(read_only);
tool_connect->set_disabled(read_only);
}
String AnimationNodeStateMachineEditor::_get_root_playback_path(String &r_node_directory) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
Vector<String> edited_path = AnimationTreeEditor::get_singleton()->get_edited_path();
String base_path;
Vector<String> node_directory_path;
bool is_playable_anodesm_found = false;
if (edited_path.size()) {
while (!is_playable_anodesm_found) {
base_path = String("/").join(edited_path);
Ref<AnimationNodeStateMachine> anodesm = !edited_path.size() ? tree->get_tree_root() : tree->get_tree_root()->find_node_by_path(base_path);
if (!anodesm.is_valid()) {
break;
} else {
if (anodesm->get_state_machine_type() != AnimationNodeStateMachine::STATE_MACHINE_TYPE_GROUPED) {
is_playable_anodesm_found = true;
} else {
int idx = edited_path.size() - 1;
node_directory_path.push_back(edited_path[idx]);
edited_path.remove_at(idx);
}
}
}
}
if (is_playable_anodesm_found) {
// Return Root/Nested state machine playback.
node_directory_path.reverse();
r_node_directory = String("/").join(node_directory_path);
if (node_directory_path.size()) {
r_node_directory += "/";
}
base_path = !edited_path.size() ? String(SceneStringNames::get_singleton()->parameters_base_path) + "playback" : String(SceneStringNames::get_singleton()->parameters_base_path) + base_path + "/playback";
} else {
// Hmmm, we have to return Grouped state machine playback...
// It will give the user the error that Root/Nested state machine should be retrieved, that would be kind :-)
r_node_directory = String();
base_path = AnimationTreeEditor::get_singleton()->get_base_path() + "playback";
}
return base_path;
}
void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEvent> &p_event) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
String node_directory;
Ref<AnimationNodeStateMachinePlayback> playback = tree->get(_get_root_playback_path(node_directory));
if (!playback.is_valid()) {
return;
}
Ref<InputEventKey> k = p_event;
if (tool_select->is_pressed() && k.is_valid() && k->is_pressed() && k->get_keycode() == Key::KEY_DELETE && !k->is_echo()) {
if (selected_node != StringName() || !selected_nodes.is_empty() || selected_transition_to != StringName() || selected_transition_from != StringName()) {
if (!read_only) {
_erase_selected();
}
accept_event();
}
}
Ref<InputEventMouseButton> mb = p_event;
// Add new node
if (!read_only) {
if (mb.is_valid() && mb->is_pressed() && !box_selecting && !connecting && ((tool_select->is_pressed() && mb->get_button_index() == MouseButton::RIGHT) || (tool_create->is_pressed() && mb->get_button_index() == MouseButton::LEFT))) {
connecting_from = StringName();
_open_menu(mb->get_position());
}
}
// Select node or push a field inside
if (mb.is_valid() && !mb->is_shift_pressed() && !mb->is_ctrl_pressed() && mb->is_pressed() && tool_select->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
selected_transition_from = StringName();
selected_transition_to = StringName();
selected_transition_index = -1;
selected_node = StringName();
for (int i = node_rects.size() - 1; i >= 0; i--) { //inverse to draw order
if (node_rects[i].play.has_point(mb->get_position())) { //edit name
if (play_mode->get_selected() == 1 || !playback->is_playing()) {
// Start
playback->start(node_directory + String(node_rects[i].node_name));
} else {
// Travel
playback->travel(node_directory + String(node_rects[i].node_name));
}
state_machine_draw->queue_redraw();
return;
}
if (!read_only) {
if (node_rects[i].name.has_point(mb->get_position()) && state_machine->can_edit_node(node_rects[i].node_name)) { // edit name
Ref<StyleBox> line_sb = get_theme_stylebox(SNAME("normal"), SNAME("LineEdit"));
Rect2 edit_rect = node_rects[i].name;
edit_rect.position -= line_sb->get_offset();
edit_rect.size += line_sb->get_minimum_size();
name_edit_popup->set_position(state_machine_draw->get_screen_position() + edit_rect.position);
name_edit_popup->set_size(edit_rect.size);
name_edit->set_text(node_rects[i].node_name);
name_edit_popup->popup();
name_edit->grab_focus();
name_edit->select_all();
prev_name = node_rects[i].node_name;
return;
}
}
if (node_rects[i].edit.has_point(mb->get_position())) { //edit name
call_deferred(SNAME("_open_editor"), node_rects[i].node_name);
return;
}
if (node_rects[i].node.has_point(mb->get_position())) { //select node since nothing else was selected
selected_node = node_rects[i].node_name;
if (!selected_nodes.has(selected_node)) {
selected_nodes.clear();
}
selected_nodes.insert(selected_node);
Ref<AnimationNode> anode = state_machine->get_node(selected_node);
EditorNode::get_singleton()->push_item(anode.ptr(), "", true);
state_machine_draw->queue_redraw();
dragging_selected_attempt = true;
dragging_selected = false;
drag_from = mb->get_position();
snap_x = StringName();
snap_y = StringName();
_update_mode();
return;
}
}
//test the lines now
int closest = -1;
float closest_d = 1e20;
for (int i = 0; i < transition_lines.size(); i++) {
Vector2 s[2] = {
transition_lines[i].from,
transition_lines[i].to
};
Vector2 cpoint = Geometry2D::get_closest_point_to_segment(mb->get_position(), s);
float d = cpoint.distance_to(mb->get_position());
if (d > transition_lines[i].width) {
continue;
}
if (d < closest_d) {
closest = i;
closest_d = d;
}
}
if (closest >= 0) {
selected_transition_from = transition_lines[closest].from_node;
selected_transition_to = transition_lines[closest].to_node;
selected_transition_index = closest;
Ref<AnimationNodeStateMachineTransition> tr = state_machine->get_transition(closest);
if (!state_machine->is_transition_across_group(closest)) {
EditorNode::get_singleton()->push_item(tr.ptr(), "", true);
} else {
EditorNode::get_singleton()->push_item(tr.ptr(), "", true);
EditorNode::get_singleton()->push_item(nullptr, "", true);
}
}
state_machine_draw->queue_redraw();
_update_mode();
}
// End moving node
if (mb.is_valid() && dragging_selected_attempt && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed()) {
if (dragging_selected) {
Ref<AnimationNode> an = state_machine->get_node(selected_node);
updating = true;
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Move Node"));
for (int i = 0; i < node_rects.size(); i++) {
if (!selected_nodes.has(node_rects[i].node_name)) {
continue;
}
undo_redo->add_do_method(state_machine.ptr(), "set_node_position", node_rects[i].node_name, state_machine->get_node_position(node_rects[i].node_name) + drag_ofs / EDSCALE);
undo_redo->add_undo_method(state_machine.ptr(), "set_node_position", node_rects[i].node_name, state_machine->get_node_position(node_rects[i].node_name));
}
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
updating = false;
}
snap_x = StringName();
snap_y = StringName();
dragging_selected_attempt = false;
dragging_selected = false;
state_machine_draw->queue_redraw();
}
// Connect nodes
if (mb.is_valid() && ((tool_select->is_pressed() && mb->is_shift_pressed()) || tool_connect->is_pressed()) && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed()) {
for (int i = node_rects.size() - 1; i >= 0; i--) { //inverse to draw order
if (node_rects[i].node.has_point(mb->get_position())) { //select node since nothing else was selected
connecting = true;
connection_follows_cursor = true;
connecting_from = node_rects[i].node_name;
connecting_to = mb->get_position();
connecting_to_node = StringName();
return;
}
}
}
// End connecting nodes
if (mb.is_valid() && connecting && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed()) {
if (connecting_to_node != StringName()) {
Ref<AnimationNode> node = state_machine->get_node(connecting_to_node);
Ref<AnimationNodeStateMachine> anodesm = node;
Ref<AnimationNodeEndState> end_node = node;
if (state_machine->has_transition(connecting_from, connecting_to_node) && state_machine->can_edit_node(connecting_to_node) && !anodesm.is_valid()) {
EditorNode::get_singleton()->show_warning(TTR("Transition exists!"));
connecting = false;
} else {
_add_transition();
}
} else {
_open_menu(mb->get_position());
}
connecting_to_node = StringName();
connection_follows_cursor = false;
state_machine_draw->queue_redraw();
}
// Start box selecting
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT && tool_select->is_pressed()) {
box_selecting = true;
box_selecting_from = box_selecting_to = state_machine_draw->get_local_mouse_position();
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
MIN(box_selecting_from.y, box_selecting_to.y),
ABS(box_selecting_from.x - box_selecting_to.x),
ABS(box_selecting_from.y - box_selecting_to.y));
if (mb->is_ctrl_pressed() || mb->is_shift_pressed()) {
previous_selected = selected_nodes;
} else {
selected_nodes.clear();
previous_selected.clear();
}
}
// End box selecting
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed() && box_selecting) {
box_selecting = false;
state_machine_draw->queue_redraw();
_update_mode();
}
Ref<InputEventMouseMotion> mm = p_event;
// Pan window
if (mm.is_valid() && mm->get_button_mask().has_flag(MouseButtonMask::MIDDLE)) {
h_scroll->set_value(h_scroll->get_value() - mm->get_relative().x);
v_scroll->set_value(v_scroll->get_value() - mm->get_relative().y);
}
// Move mouse while connecting
if (mm.is_valid() && connecting && connection_follows_cursor && !read_only) {
connecting_to = mm->get_position();
connecting_to_node = StringName();
state_machine_draw->queue_redraw();
for (int i = node_rects.size() - 1; i >= 0; i--) { //inverse to draw order
if (node_rects[i].node_name != connecting_from && node_rects[i].node.has_point(connecting_to)) { //select node since nothing else was selected
connecting_to_node = node_rects[i].node_name;
return;
}
}
}
// Move mouse while moving a node
if (mm.is_valid() && dragging_selected_attempt && !read_only) {
dragging_selected = true;
drag_ofs = mm->get_position() - drag_from;
snap_x = StringName();
snap_y = StringName();
{
//snap
Vector2 cpos = state_machine->get_node_position(selected_node) + drag_ofs / EDSCALE;
List<StringName> nodes;
state_machine->get_node_list(&nodes);
float best_d_x = 1e20;
float best_d_y = 1e20;
for (const StringName &E : nodes) {
if (E == selected_node) {
continue;
}
Vector2 npos = state_machine->get_node_position(E);
float d_x = ABS(npos.x - cpos.x);
if (d_x < MIN(5, best_d_x)) {
drag_ofs.x -= cpos.x - npos.x;
best_d_x = d_x;
snap_x = E;
}
float d_y = ABS(npos.y - cpos.y);
if (d_y < MIN(5, best_d_y)) {
drag_ofs.y -= cpos.y - npos.y;
best_d_y = d_y;
snap_y = E;
}
}
}
state_machine_draw->queue_redraw();
}
// Move mouse while moving box select
if (mm.is_valid() && box_selecting) {
box_selecting_to = state_machine_draw->get_local_mouse_position();
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
MIN(box_selecting_from.y, box_selecting_to.y),
ABS(box_selecting_from.x - box_selecting_to.x),
ABS(box_selecting_from.y - box_selecting_to.y));
for (int i = 0; i < node_rects.size(); i++) {
bool in_box = node_rects[i].node.intersects(box_selecting_rect);
if (in_box) {
if (previous_selected.has(node_rects[i].node_name)) {
selected_nodes.erase(node_rects[i].node_name);
} else {
selected_nodes.insert(node_rects[i].node_name);
}
} else {
if (previous_selected.has(node_rects[i].node_name)) {
selected_nodes.insert(node_rects[i].node_name);
} else {
selected_nodes.erase(node_rects[i].node_name);
}
}
}
state_machine_draw->queue_redraw();
}
if (mm.is_valid()) {
state_machine_draw->grab_focus();
String new_over_node;
int new_over_node_what = -1;
if (tool_select->is_pressed()) {
for (int i = node_rects.size() - 1; i >= 0; i--) { // Inverse to draw order.
if (!state_machine->can_edit_node(node_rects[i].node_name)) {
continue; // start/end node can't be edited
}
if (node_rects[i].node.has_point(mm->get_position())) {
new_over_node = node_rects[i].node_name;
if (node_rects[i].play.has_point(mm->get_position())) {
new_over_node_what = 0;
} else if (node_rects[i].edit.has_point(mm->get_position())) {
new_over_node_what = 1;
}
break;
}
}
}
if (new_over_node != over_node || new_over_node_what != over_node_what) {
over_node = new_over_node;
over_node_what = new_over_node_what;
state_machine_draw->queue_redraw();
}
// set tooltip for transition
if (tool_select->is_pressed()) {
int closest = -1;
float closest_d = 1e20;
for (int i = 0; i < transition_lines.size(); i++) {
Vector2 s[2] = {
transition_lines[i].from,
transition_lines[i].to
};
Vector2 cpoint = Geometry2D::get_closest_point_to_segment(mm->get_position(), s);
float d = cpoint.distance_to(mm->get_position());
if (d > transition_lines[i].width) {
continue;
}
if (d < closest_d) {
closest = i;
closest_d = d;
}
}
if (closest >= 0) {
String from = String(transition_lines[closest].from_node);
String to = String(transition_lines[closest].to_node);
String tooltip = from + " -> " + to;
state_machine_draw->set_tooltip_text(tooltip);
} else {
state_machine_draw->set_tooltip_text("");
}
}
}
Ref<InputEventPanGesture> pan_gesture = p_event;
if (pan_gesture.is_valid()) {
h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
}
}
Control::CursorShape AnimationNodeStateMachineEditor::get_cursor_shape(const Point2 &p_pos) const {
Control::CursorShape cursor_shape = get_default_cursor_shape();
if (!read_only) {
// Put ibeam (text cursor) over names to make it clearer that they are editable.
Transform2D xform = panel->get_transform() * state_machine_draw->get_transform();
Point2 pos = xform.xform_inv(p_pos);
for (int i = node_rects.size() - 1; i >= 0; i--) { // Inverse to draw order.
if (node_rects[i].node.has_point(pos)) {
if (node_rects[i].name.has_point(pos)) {
if (state_machine->can_edit_node(node_rects[i].node_name)) {
cursor_shape = Control::CURSOR_IBEAM;
}
}
break;
}
}
}
return cursor_shape;
}
void AnimationNodeStateMachineEditor::_open_menu(const Vector2 &p_position) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
menu->clear();
animations_menu->clear();
animations_to_add.clear();
List<StringName> classes;
classes.sort_custom<StringName::AlphCompare>();
ClassDB::get_inheriters_from_class("AnimationRootNode", &classes);
menu->add_submenu_item(TTR("Add Animation"), "animations");
if (tree->has_node(tree->get_animation_player())) {
AnimationPlayer *ap = Object::cast_to<AnimationPlayer>(tree->get_node(tree->get_animation_player()));
if (ap) {
List<StringName> names;
ap->get_animation_list(&names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
animations_menu->add_icon_item(get_theme_icon("Animation", "EditorIcons"), E->get());
animations_to_add.push_back(E->get());
}
}
}
for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
String name = String(E->get()).replace_first("AnimationNode", "");
if (name == "Animation" || name == "StartState" || name == "EndState") {
continue; // nope
}
int idx = menu->get_item_count();
menu->add_item(vformat(TTR("Add %s"), name), idx);
menu->set_item_metadata(idx, E->get());
}
Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
if (clipb.is_valid()) {
menu->add_separator();
menu->add_item(TTR("Paste"), MENU_PASTE);
}
menu->add_separator();
menu->add_item(TTR("Load..."), MENU_LOAD_FILE);
menu->set_position(state_machine_draw->get_screen_transform().xform(p_position));
menu->popup();
add_node_pos = p_position / EDSCALE + state_machine->get_graph_offset();
}
bool AnimationNodeStateMachineEditor::_create_submenu(PopupMenu *p_menu, Ref<AnimationNodeStateMachine> p_nodesm, const StringName &p_name, const StringName &p_path) {
String prev_path;
List<StringName> nodes;
p_nodesm->get_node_list(&nodes);
PopupMenu *nodes_menu = memnew(PopupMenu);
nodes_menu->set_name(p_name);
nodes_menu->connect("id_pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_connect_to));
p_menu->add_child(nodes_menu);
bool node_added = false;
for (const StringName &E : nodes) {
if (p_nodesm->can_edit_node(E)) {
Ref<AnimationNodeStateMachine> ansm = p_nodesm->get_node(E);
String path = String(p_path) + "/" + E;
if (ansm == state_machine) {
end_menu->add_item(E, nodes_to_connect.size());
nodes_to_connect.push_back(state_machine->end_node);
continue;
}
if (ansm.is_valid()) {
state_machine_menu->add_item(E, nodes_to_connect.size());
nodes_to_connect.push_back(path);
if (_create_submenu(nodes_menu, ansm, E, path)) {
nodes_menu->add_submenu_item(E, E);
node_added = true;
}
} else {
nodes_menu->add_item(E, nodes_to_connect.size());
nodes_to_connect.push_back(path);
node_added = true;
}
}
}
return node_added;
}
void AnimationNodeStateMachineEditor::_stop_connecting() {
connecting = false;
state_machine_draw->queue_redraw();
}
void AnimationNodeStateMachineEditor::_delete_selected() {
TreeItem *item = delete_tree->get_next_selected(nullptr);
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
while (item) {
if (!updating) {
updating = true;
undo_redo->create_action("Transition(s) Removed");
}
Vector<String> path = item->get_text(0).split(" -> ");
selected_transition_from = path[0];
selected_transition_to = path[1];
_erase_selected(true);
item = delete_tree->get_next_selected(item);
}
if (updating) {
undo_redo->commit_action();
updating = false;
}
}
void AnimationNodeStateMachineEditor::_delete_all() {
updating = true;
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action("Transition(s) Removed");
_erase_selected(true);
undo_redo->commit_action();
updating = false;
delete_window->hide();
}
void AnimationNodeStateMachineEditor::_delete_tree_draw() {
TreeItem *item = delete_tree->get_next_selected(nullptr);
while (item) {
delete_window->get_cancel_button()->set_disabled(false);
return;
}
delete_window->get_cancel_button()->set_disabled(true);
}
void AnimationNodeStateMachineEditor::_file_opened(const String &p_file) {
file_loaded = ResourceLoader::load(p_file);
if (file_loaded.is_valid()) {
_add_menu_type(MENU_LOAD_FILE_CONFIRM);
} else {
EditorNode::get_singleton()->show_warning(TTR("This type of node can't be used. Only animation nodes are allowed."));
}
}
void AnimationNodeStateMachineEditor::_add_menu_type(int p_index) {
String base_name;
Ref<AnimationRootNode> node;
if (p_index == MENU_LOAD_FILE) {
open_file->clear_filters();
List<String> filters;
ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
for (const String &E : filters) {
open_file->add_filter("*." + E);
}
open_file->popup_file_dialog();
return;
} else if (p_index == MENU_LOAD_FILE_CONFIRM) {
node = file_loaded;
file_loaded.unref();
} else if (p_index == MENU_PASTE) {
node = EditorSettings::get_singleton()->get_resource_clipboard();
} else {
String type = menu->get_item_metadata(p_index);
Object *obj = ClassDB::instantiate(type);
ERR_FAIL_COND(!obj);
AnimationNode *an = Object::cast_to<AnimationNode>(obj);
ERR_FAIL_COND(!an);
node = Ref<AnimationNode>(an);
base_name = type.replace_first("AnimationNode", "");
}
if (!node.is_valid()) {
EditorNode::get_singleton()->show_warning(TTR("This type of node can't be used. Only root nodes are allowed."));
return;
}
if (base_name.is_empty()) {
base_name = node->get_class().replace_first("AnimationNode", "");
}
int base = 1;
String name = base_name;
while (state_machine->has_node(name)) {
base++;
name = base_name + " " + itos(base);
}
updating = true;
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Add Node and Transition"));
undo_redo->add_do_method(state_machine.ptr(), "add_node", name, node, add_node_pos);
undo_redo->add_undo_method(state_machine.ptr(), "remove_node", name);
connecting_to_node = name;
_add_transition(true);
undo_redo->commit_action();
updating = false;
state_machine_draw->queue_redraw();
}
void AnimationNodeStateMachineEditor::_add_animation_type(int p_index) {
Ref<AnimationNodeAnimation> anim;
anim.instantiate();
anim->set_animation(animations_to_add[p_index]);
String base_name = animations_to_add[p_index].validate_node_name();
int base = 1;
String name = base_name;
while (state_machine->has_node(name)) {
base++;
name = base_name + " " + itos(base);
}
updating = true;
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Add Node and Transition"));
undo_redo->add_do_method(state_machine.ptr(), "add_node", name, anim, add_node_pos);
undo_redo->add_undo_method(state_machine.ptr(), "remove_node", name);
connecting_to_node = name;
_add_transition(true);
undo_redo->commit_action();
updating = false;
state_machine_draw->queue_redraw();
}
void AnimationNodeStateMachineEditor::_connect_to(int p_index) {
connecting_to_node = nodes_to_connect[p_index];
_add_transition();
}
void AnimationNodeStateMachineEditor::_add_transition(const bool p_nested_action) {
if (connecting_from != StringName() && connecting_to_node != StringName()) {
if (state_machine->has_transition(connecting_from, connecting_to_node)) {
EditorNode::get_singleton()->show_warning("Transition exists!");
connecting = false;
return;
}
Ref<AnimationNodeStateMachineTransition> tr;
tr.instantiate();
tr->set_advance_mode(auto_advance->is_pressed() ? AnimationNodeStateMachineTransition::AdvanceMode::ADVANCE_MODE_AUTO : AnimationNodeStateMachineTransition::AdvanceMode::ADVANCE_MODE_ENABLED);
tr->set_switch_mode(AnimationNodeStateMachineTransition::SwitchMode(switch_mode->get_selected()));
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
if (!p_nested_action) {
updating = true;
undo_redo->create_action(TTR("Add Transition"));
}
undo_redo->add_do_method(state_machine.ptr(), "add_transition", connecting_from, connecting_to_node, tr);
undo_redo->add_undo_method(state_machine.ptr(), "remove_transition", connecting_from, connecting_to_node);
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
if (!p_nested_action) {
undo_redo->commit_action();
updating = false;
}
selected_transition_from = connecting_from;
selected_transition_to = connecting_to_node;
selected_transition_index = transition_lines.size();
if (!state_machine->is_transition_across_group(selected_transition_index)) {
EditorNode::get_singleton()->push_item(tr.ptr(), "", true);
} else {
EditorNode::get_singleton()->push_item(tr.ptr(), "", true);
EditorNode::get_singleton()->push_item(nullptr, "", true);
}
_update_mode();
}
connecting = false;
}
void AnimationNodeStateMachineEditor::_connection_draw(const Vector2 &p_from, const Vector2 &p_to, AnimationNodeStateMachineTransition::SwitchMode p_mode, bool p_enabled, bool p_selected, bool p_travel, float p_fade_ratio, bool p_auto_advance, bool p_is_across_group) {
Color linecolor = get_theme_color(SNAME("font_color"), SNAME("Label"));
Color icon_color(1, 1, 1);
Color accent = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
if (!p_enabled) {
linecolor.a *= 0.2;
icon_color.a *= 0.2;
accent.a *= 0.6;
}
const Ref<Texture2D> icons[] = {
get_theme_icon(SNAME("TransitionImmediateBig"), SNAME("EditorIcons")),
get_theme_icon(SNAME("TransitionSyncBig"), SNAME("EditorIcons")),
get_theme_icon(SNAME("TransitionEndBig"), SNAME("EditorIcons")),
get_theme_icon(SNAME("TransitionImmediateAutoBig"), SNAME("EditorIcons")),
get_theme_icon(SNAME("TransitionSyncAutoBig"), SNAME("EditorIcons")),
get_theme_icon(SNAME("TransitionEndAutoBig"), SNAME("EditorIcons"))
};
const int ICON_COUNT = sizeof(icons) / sizeof(*icons);
if (p_selected) {
state_machine_draw->draw_line(p_from, p_to, accent, 6);
}
if (p_travel) {
linecolor = accent;
}
state_machine_draw->draw_line(p_from, p_to, linecolor, 2);
if (p_fade_ratio > 0.0) {
Color fade_linecolor = accent;
fade_linecolor.set_hsv(1.0, fade_linecolor.get_s(), fade_linecolor.get_v());
state_machine_draw->draw_line(p_from, p_from.lerp(p_to, p_fade_ratio), fade_linecolor, 2);
}
int icon_index = p_mode + (p_auto_advance ? ICON_COUNT / 2 : 0);
ERR_FAIL_COND(icon_index >= ICON_COUNT);
Ref<Texture2D> icon = icons[icon_index];
Transform2D xf;
xf.columns[0] = (p_to - p_from).normalized();
xf.columns[1] = xf.columns[0].orthogonal();
xf.columns[2] = (p_from + p_to) * 0.5 - xf.columns[1] * icon->get_height() * 0.5 - xf.columns[0] * icon->get_height() * 0.5;
state_machine_draw->draw_set_transform_matrix(xf);
if (!p_is_across_group) {
state_machine_draw->draw_texture(icon, Vector2(), icon_color);
}
state_machine_draw->draw_set_transform_matrix(Transform2D());
}
void AnimationNodeStateMachineEditor::_clip_src_line_to_rect(Vector2 &r_from, const Vector2 &p_to, const Rect2 &p_rect) {
if (p_to == r_from) {
return;
}
//this could be optimized...
Vector2 n = (p_to - r_from).normalized();
while (p_rect.has_point(r_from)) {
r_from += n;
}
}
void AnimationNodeStateMachineEditor::_clip_dst_line_to_rect(const Vector2 &p_from, Vector2 &r_to, const Rect2 &p_rect) {
if (r_to == p_from) {
return;
}
//this could be optimized...
Vector2 n = (r_to - p_from).normalized();
while (p_rect.has_point(r_to)) {
r_to -= n;
}
}
void AnimationNodeStateMachineEditor::_state_machine_draw() {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
Ref<AnimationNodeStateMachinePlayback> playback = tree->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
Ref<StyleBoxFlat> style = get_theme_stylebox(SNAME("state_machine_frame"), SNAME("GraphNode"));
Ref<StyleBoxFlat> style_selected = get_theme_stylebox(SNAME("state_machine_selected_frame"), SNAME("GraphNode"));
Ref<Font> font = get_theme_font(SNAME("title_font"), SNAME("GraphNode"));
int font_size = get_theme_font_size(SNAME("title_font_size"), SNAME("GraphNode"));
Color font_color = get_theme_color(SNAME("title_color"), SNAME("GraphNode"));
Ref<Texture2D> play = get_theme_icon(SNAME("Play"), SNAME("EditorIcons"));
Ref<Texture2D> edit = get_theme_icon(SNAME("Edit"), SNAME("EditorIcons"));
Color accent = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
Color linecolor = get_theme_color(SNAME("font_color"), SNAME("Label"));
linecolor.a *= 0.3;
Ref<StyleBox> playing_overlay = get_theme_stylebox(SNAME("position"), SNAME("GraphNode"));
Ref<StyleBoxFlat> start_overlay = style->duplicate();
start_overlay->set_border_width_all(1 * EDSCALE);
start_overlay->set_border_color(Color::html("#80f6cf"));
Ref<StyleBoxFlat> end_overlay = style->duplicate();
end_overlay->set_border_width_all(1 * EDSCALE);
end_overlay->set_border_color(Color::html("#f26661"));
bool playing = false;
StringName current;
StringName blend_from;
Vector<StringName> travel_path;
if (playback.is_valid()) {
playing = playback->is_playing();
current = playback->get_current_node();
blend_from = playback->get_fading_from_node();
travel_path = playback->get_travel_path();
}
if (state_machine_draw->has_focus()) {
state_machine_draw->draw_rect(Rect2(Point2(), state_machine_draw->get_size()), accent, false);
}
int sep = 3 * EDSCALE;
List<StringName> nodes;
state_machine->get_node_list(&nodes);
node_rects.clear();
Rect2 scroll_range;
//snap lines
if (dragging_selected) {
Vector2 from = (state_machine->get_node_position(selected_node) * EDSCALE) + drag_ofs - state_machine->get_graph_offset() * EDSCALE;
if (snap_x != StringName()) {
Vector2 to = (state_machine->get_node_position(snap_x) * EDSCALE) - state_machine->get_graph_offset() * EDSCALE;
state_machine_draw->draw_line(from, to, linecolor, 2);
}
if (snap_y != StringName()) {
Vector2 to = (state_machine->get_node_position(snap_y) * EDSCALE) - state_machine->get_graph_offset() * EDSCALE;
state_machine_draw->draw_line(from, to, linecolor, 2);
}
}
//pre pass nodes so we know the rectangles
for (const StringName &E : nodes) {
Ref<AnimationNode> anode = state_machine->get_node(E);
String name = E;
bool needs_editor = AnimationTreeEditor::get_singleton()->can_edit(anode);
Ref<StyleBox> sb = selected_nodes.has(E) ? style_selected : style;
Size2 s = sb->get_minimum_size();
int strsize = font->get_string_size(name, HORIZONTAL_ALIGNMENT_LEFT, -1, font_size).width;
s.width += strsize;
s.height += MAX(font->get_height(font_size), play->get_height());
s.width += sep + play->get_width();
if (needs_editor) {
s.width += sep + edit->get_width();
}
Vector2 offset;
offset += state_machine->get_node_position(E) * EDSCALE;
if (selected_nodes.has(E) && dragging_selected) {
offset += drag_ofs;
}
offset -= s / 2;
offset = offset.floor();
//prepre rect
NodeRect nr;
nr.node = Rect2(offset, s);
nr.node_name = E;
scroll_range = scroll_range.merge(nr.node); //merge with range
//now scroll it to draw
nr.node.position -= state_machine->get_graph_offset() * EDSCALE;
node_rects.push_back(nr);
}
transition_lines.clear();
//draw connecting line for potential new transition
if (connecting) {
Vector2 from = (state_machine->get_node_position(connecting_from) * EDSCALE) - state_machine->get_graph_offset() * EDSCALE;
Vector2 to;
if (connecting_to_node != StringName()) {
to = (state_machine->get_node_position(connecting_to_node) * EDSCALE) - state_machine->get_graph_offset() * EDSCALE;
} else {
to = connecting_to;
}
for (int i = 0; i < node_rects.size(); i++) {
if (node_rects[i].node_name == connecting_from) {
_clip_src_line_to_rect(from, to, node_rects[i].node);
}
if (node_rects[i].node_name == connecting_to_node) {
_clip_dst_line_to_rect(from, to, node_rects[i].node);
}
}
_connection_draw(from, to, AnimationNodeStateMachineTransition::SwitchMode(switch_mode->get_selected()), true, false, false, 0.0, false, false);
}
Ref<Texture2D> tr_reference_icon = get_theme_icon(SNAME("TransitionImmediateBig"), SNAME("EditorIcons"));
float tr_bidi_offset = int(tr_reference_icon->get_height() * 0.8);
//draw transition lines
for (int i = 0; i < state_machine->get_transition_count(); i++) {
TransitionLine tl;
tl.transition_index = i;
tl.from_node = state_machine->get_transition_from(i);
Vector2 ofs_from = (dragging_selected && selected_nodes.has(tl.from_node)) ? drag_ofs : Vector2();
tl.from = (state_machine->get_node_position(tl.from_node) * EDSCALE) + ofs_from - state_machine->get_graph_offset() * EDSCALE;
tl.to_node = state_machine->get_transition_to(i);
Vector2 ofs_to = (dragging_selected && selected_nodes.has(tl.to_node)) ? drag_ofs : Vector2();
tl.to = (state_machine->get_node_position(tl.to_node) * EDSCALE) + ofs_to - state_machine->get_graph_offset() * EDSCALE;
Ref<AnimationNodeStateMachineTransition> tr = state_machine->get_transition(i);
tl.disabled = bool(tr->get_advance_mode() == AnimationNodeStateMachineTransition::ADVANCE_MODE_DISABLED);
tl.auto_advance = bool(tr->get_advance_mode() == AnimationNodeStateMachineTransition::ADVANCE_MODE_AUTO);
tl.advance_condition_name = tr->get_advance_condition_name();
tl.advance_condition_state = false;
tl.mode = tr->get_switch_mode();
tl.width = tr_bidi_offset;
tl.travel = false;
tl.fade_ratio = 0.0;
tl.hidden = false;
tl.is_across_group = state_machine->is_transition_across_group(i);
if (state_machine->has_transition(tl.to_node, tl.from_node)) { //offset if same exists
Vector2 offset = -(tl.from - tl.to).normalized().orthogonal() * tr_bidi_offset;
tl.from += offset;
tl.to += offset;
}
for (int j = 0; j < node_rects.size(); j++) {
if (node_rects[j].node_name == tl.from_node) {
_clip_src_line_to_rect(tl.from, tl.to, node_rects[j].node);
}
if (node_rects[j].node_name == tl.to_node) {
_clip_dst_line_to_rect(tl.from, tl.to, node_rects[j].node);
}
}
tl.selected = selected_transition_from == tl.from_node && selected_transition_to == tl.to_node;
if (blend_from == tl.from_node && current == tl.to_node) {
tl.travel = true;
tl.fade_ratio = MIN(1.0, fading_pos / fading_time);
}
if (travel_path.size()) {
if (current == tl.from_node && travel_path[0] == tl.to_node) {
tl.travel = true;
} else {
for (int j = 0; j < travel_path.size() - 1; j++) {
if (travel_path[j] == tl.from_node && travel_path[j + 1] == tl.to_node) {
tl.travel = true;
break;
}
}
}
}
StringName fullpath = AnimationTreeEditor::get_singleton()->get_base_path() + String(tl.advance_condition_name);
if (tl.advance_condition_name != StringName() && bool(tree->get(fullpath))) {
tl.advance_condition_state = true;
tl.auto_advance = true;
}
// check if already have this transition
for (int j = 0; j < transition_lines.size(); j++) {
if (transition_lines[j].from_node == tl.from_node && transition_lines[j].to_node == tl.to_node) {
tl.hidden = true;
transition_lines.write[j].disabled = transition_lines[j].disabled && tl.disabled;
}
}
transition_lines.push_back(tl);
}
for (int i = 0; i < transition_lines.size(); i++) {
TransitionLine tl = transition_lines[i];
if (!tl.hidden) {
_connection_draw(tl.from, tl.to, tl.mode, !tl.disabled, tl.selected, tl.travel, tl.fade_ratio, tl.auto_advance, tl.is_across_group);
}
}
//draw actual nodes
for (int i = 0; i < node_rects.size(); i++) {
String name = node_rects[i].node_name;
Ref<AnimationNode> anode = state_machine->get_node(name);
bool needs_editor = AnimationTreeEditor::get_singleton()->can_edit(anode);
Ref<StyleBox> sb = selected_nodes.has(name) ? style_selected : style;
int strsize = font->get_string_size(name, HORIZONTAL_ALIGNMENT_LEFT, -1, font_size).width;
NodeRect &nr = node_rects.write[i];
Vector2 offset = nr.node.position;
int h = nr.node.size.height;
//prepre rect
//now scroll it to draw
state_machine_draw->draw_style_box(sb, nr.node);
if (state_machine->start_node == name) {
state_machine_draw->draw_style_box(sb == style_selected ? style_selected : start_overlay, nr.node);
}
if (state_machine->end_node == name) {
state_machine_draw->draw_style_box(sb == style_selected ? style_selected : end_overlay, nr.node);
}
if (playing && (blend_from == name || current == name || travel_path.has(name))) {
state_machine_draw->draw_style_box(playing_overlay, nr.node);
}
offset.x += sb->get_offset().x;
nr.play.position = offset + Vector2(0, (h - play->get_height()) / 2).floor();
nr.play.size = play->get_size();
Ref<Texture2D> play_tex = play;
if (over_node == name && over_node_what == 0) {
state_machine_draw->draw_texture(play_tex, nr.play.position, accent);
} else {
state_machine_draw->draw_texture(play_tex, nr.play.position);
}
offset.x += sep + play->get_width();
nr.name.position = offset + Vector2(0, (h - font->get_height(font_size)) / 2).floor();
nr.name.size = Vector2(strsize, font->get_height(font_size));
state_machine_draw->draw_string(font, nr.name.position + Vector2(0, font->get_ascent(font_size)), name, HORIZONTAL_ALIGNMENT_LEFT, -1, font_size, font_color);
offset.x += strsize + sep;
nr.can_edit = needs_editor;
if (needs_editor) {
nr.edit.position = offset + Vector2(0, (h - edit->get_height()) / 2).floor();
nr.edit.size = edit->get_size();
if (over_node == name && over_node_what == 1) {
state_machine_draw->draw_texture(edit, nr.edit.position, accent);
} else {
state_machine_draw->draw_texture(edit, nr.edit.position);
}
}
}
//draw box select
if (box_selecting) {
state_machine_draw->draw_rect(box_selecting_rect, Color(0.7, 0.7, 1.0, 0.3));
}
scroll_range.position -= state_machine_draw->get_size();
scroll_range.size += state_machine_draw->get_size() * 2.0;
//adjust scrollbars
updating = true;
h_scroll->set_min(scroll_range.position.x);
h_scroll->set_max(scroll_range.position.x + scroll_range.size.x);
h_scroll->set_page(state_machine_draw->get_size().x);
h_scroll->set_value(state_machine->get_graph_offset().x);
v_scroll->set_min(scroll_range.position.y);
v_scroll->set_max(scroll_range.position.y + scroll_range.size.y);
v_scroll->set_page(state_machine_draw->get_size().y);
v_scroll->set_value(state_machine->get_graph_offset().y);
updating = false;
state_machine_play_pos->queue_redraw();
}
void AnimationNodeStateMachineEditor::_state_machine_pos_draw_individual(String p_name, float p_ratio) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
Ref<AnimationNodeStateMachinePlayback> playback = tree->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
if (!playback.is_valid() || !playback->is_playing()) {
return;
}
if (p_name == state_machine->start_node || p_name == state_machine->end_node || p_name.is_empty()) {
return;
}
int idx = -1;
for (int i = 0; i < node_rects.size(); i++) {
if (node_rects[i].node_name == p_name) {
idx = i;
break;
}
}
if (idx == -1) {
return;
}
const NodeRect &nr = node_rects[idx];
if (nr.can_edit) {
return; // It is not AnimationNodeAnimation.
}
Vector2 from;
from.x = nr.play.position.x;
from.y = (nr.play.position.y + nr.play.size.y + nr.node.position.y + nr.node.size.y) * 0.5;
Vector2 to;
if (nr.edit.size.x) {
to.x = nr.edit.position.x + nr.edit.size.x;
} else {
to.x = nr.name.position.x + nr.name.size.x;
}
to.y = from.y;
float c = p_ratio;
Color fg = get_theme_color(SNAME("font_color"), SNAME("Label"));
Color bg = fg;
bg.a *= 0.3;
state_machine_play_pos->draw_line(from, to, bg, 2);
to = from.lerp(to, c);
state_machine_play_pos->draw_line(from, to, fg, 2);
}
void AnimationNodeStateMachineEditor::_state_machine_pos_draw_all() {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
Ref<AnimationNodeStateMachinePlayback> playback = tree->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
if (!playback.is_valid() || !playback->is_playing()) {
return;
}
{
float len = MAX(0.0001, current_length);
float pos = CLAMP(current_play_pos, 0, len);
float c = current_length == HUGE_LENGTH ? 1 : (pos / len);
_state_machine_pos_draw_individual(playback->get_current_node(), c);
}
{
float len = MAX(0.0001, fade_from_length);
float pos = CLAMP(fade_from_current_play_pos, 0, len);
float c = fade_from_length == HUGE_LENGTH ? 1 : (pos / len);
_state_machine_pos_draw_individual(playback->get_fading_from_node(), c);
}
}
void AnimationNodeStateMachineEditor::_update_graph() {
if (updating) {
return;
}
updating = true;
state_machine_draw->queue_redraw();
updating = false;
}
void AnimationNodeStateMachineEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED:
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_TRANSLATION_CHANGED: {
error_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
error_label->add_theme_color_override("font_color", get_theme_color(SNAME("error_color"), SNAME("Editor")));
panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
tool_select->set_icon(get_theme_icon(SNAME("ToolSelect"), SNAME("EditorIcons")));
tool_create->set_icon(get_theme_icon(SNAME("ToolAddNode"), SNAME("EditorIcons")));
tool_connect->set_icon(get_theme_icon(SNAME("ToolConnect"), SNAME("EditorIcons")));
switch_mode->clear();
switch_mode->add_icon_item(get_theme_icon(SNAME("TransitionImmediate"), SNAME("EditorIcons")), TTR("Immediate"));
switch_mode->add_icon_item(get_theme_icon(SNAME("TransitionSync"), SNAME("EditorIcons")), TTR("Sync"));
switch_mode->add_icon_item(get_theme_icon(SNAME("TransitionEnd"), SNAME("EditorIcons")), TTR("At End"));
auto_advance->set_icon(get_theme_icon(SNAME("AutoPlay"), SNAME("EditorIcons")));
tool_erase->set_icon(get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")));
play_mode->clear();
play_mode->add_icon_item(get_theme_icon(SNAME("PlayTravel"), SNAME("EditorIcons")), TTR("Travel"));
play_mode->add_icon_item(get_theme_icon(SNAME("Play"), SNAME("EditorIcons")), TTR("Immediate"));
} break;
case NOTIFICATION_PROCESS: {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
String error;
Ref<AnimationNodeStateMachinePlayback> playback = tree->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
if (error_time > 0) {
error = error_text;
error_time -= get_process_delta_time();
} else if (!tree->is_active()) {
error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
} else if (tree->is_state_invalid()) {
error = tree->get_invalid_state_reason();
} else if (playback.is_null()) {
error = vformat(TTR("No playback resource set at path: %s."), AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
}
if (error != error_label->get_text()) {
error_label->set_text(error);
if (!error.is_empty()) {
error_panel->show();
} else {
error_panel->hide();
}
}
for (int i = 0; i < transition_lines.size(); i++) {
int tidx = -1;
for (int j = 0; j < state_machine->get_transition_count(); j++) {
if (transition_lines[i].from_node == state_machine->get_transition_from(j) && transition_lines[i].to_node == state_machine->get_transition_to(j)) {
tidx = j;
break;
}
}
if (tidx == -1) { //missing transition, should redraw
state_machine_draw->queue_redraw();
break;
}
if (transition_lines[i].disabled != bool(state_machine->get_transition(tidx)->get_advance_mode() == AnimationNodeStateMachineTransition::ADVANCE_MODE_DISABLED)) {
state_machine_draw->queue_redraw();
break;
}
if (transition_lines[i].auto_advance != bool(state_machine->get_transition(tidx)->get_advance_mode() == AnimationNodeStateMachineTransition::ADVANCE_MODE_AUTO)) {
state_machine_draw->queue_redraw();
break;
}
if (transition_lines[i].advance_condition_name != state_machine->get_transition(tidx)->get_advance_condition_name()) {
state_machine_draw->queue_redraw();
break;
}
if (transition_lines[i].mode != state_machine->get_transition(tidx)->get_switch_mode()) {
state_machine_draw->queue_redraw();
break;
}
bool acstate = transition_lines[i].advance_condition_name != StringName() && bool(tree->get(AnimationTreeEditor::get_singleton()->get_base_path() + String(transition_lines[i].advance_condition_name)));
if (transition_lines[i].advance_condition_state != acstate) {
state_machine_draw->queue_redraw();
break;
}
}
bool same_travel_path = true;
Vector<StringName> tp;
bool is_playing = false;
StringName current_node;
StringName fading_from_node;
current_play_pos = 0;
current_length = 0;
fade_from_current_play_pos = 0;
fade_from_length = 0;
fading_time = 0;
fading_pos = 0;
if (playback.is_valid()) {
tp = playback->get_travel_path();
is_playing = playback->is_playing();
current_node = playback->get_current_node();
fading_from_node = playback->get_fading_from_node();
current_play_pos = playback->get_current_play_pos();
current_length = playback->get_current_length();
fade_from_current_play_pos = playback->get_fade_from_play_pos();
fade_from_length = playback->get_fade_from_length();
fading_time = playback->get_fading_time();
fading_pos = playback->get_fading_pos();
}
{
if (last_travel_path.size() != tp.size()) {
same_travel_path = false;
} else {
for (int i = 0; i < last_travel_path.size(); i++) {
if (last_travel_path[i] != tp[i]) {
same_travel_path = false;
break;
}
}
}
}
//redraw if travel state changed
if (!same_travel_path ||
last_active != is_playing ||
last_current_node != current_node ||
last_fading_from_node != fading_from_node ||
last_fading_time != fading_time ||
last_fading_pos != fading_pos) {
state_machine_draw->queue_redraw();
last_travel_path = tp;
last_current_node = current_node;
last_active = is_playing;
last_fading_from_node = fading_from_node;
last_fading_time = fading_time;
last_fading_pos = fading_pos;
state_machine_play_pos->queue_redraw();
}
{
if (current_node != StringName() && state_machine->has_node(current_node)) {
String next = current_node;
Ref<AnimationNodeStateMachine> anodesm = state_machine->get_node(next);
Ref<AnimationNodeStateMachinePlayback> current_node_playback;
while (anodesm.is_valid()) {
current_node_playback = tree->get(AnimationTreeEditor::get_singleton()->get_base_path() + next + "/playback");
StringName cnode = current_node_playback->get_current_node();
next += "/" + cnode;
if (!anodesm->has_node(cnode)) {
break;
}
anodesm = anodesm->get_node(cnode);
}
// when current_node is a state machine, use playback of current_node to set play_pos
if (current_node_playback.is_valid()) {
current_play_pos = current_node_playback->get_current_play_pos();
current_length = current_node_playback->get_current_length();
}
}
}
if (last_play_pos != current_play_pos || fade_from_last_play_pos != fade_from_current_play_pos) {
last_play_pos = current_play_pos;
fade_from_last_play_pos = fade_from_current_play_pos;
state_machine_play_pos->queue_redraw();
}
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
over_node = StringName();
set_process(is_visible_in_tree());
} break;
}
}
void AnimationNodeStateMachineEditor::_open_editor(const String &p_name) {
AnimationTreeEditor::get_singleton()->enter_editor(p_name);
}
void AnimationNodeStateMachineEditor::_name_edited(const String &p_text) {
const String &new_name = p_text;
ERR_FAIL_COND(new_name.is_empty() || new_name.contains(".") || new_name.contains("/"));
if (new_name == prev_name) {
return; // Nothing to do.
}
const String &base_name = new_name;
int base = 1;
String name = base_name;
while (state_machine->has_node(name)) {
base++;
name = base_name + " " + itos(base);
}
updating = true;
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Node Renamed"));
undo_redo->add_do_method(state_machine.ptr(), "rename_node", prev_name, name);
undo_redo->add_undo_method(state_machine.ptr(), "rename_node", name, prev_name);
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
name_edit_popup->hide();
updating = false;
state_machine_draw->queue_redraw();
}
void AnimationNodeStateMachineEditor::_name_edited_focus_out() {
if (updating) {
return;
}
_name_edited(name_edit->get_text());
}
void AnimationNodeStateMachineEditor::_scroll_changed(double) {
if (updating) {
return;
}
state_machine->set_graph_offset(Vector2(h_scroll->get_value(), v_scroll->get_value()));
state_machine_draw->queue_redraw();
}
void AnimationNodeStateMachineEditor::_erase_selected(const bool p_nested_action) {
if (!selected_nodes.is_empty()) {
if (!p_nested_action) {
updating = true;
}
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Node Removed"));
for (int i = 0; i < node_rects.size(); i++) {
if (node_rects[i].node_name == state_machine->start_node || node_rects[i].node_name == state_machine->end_node) {
continue;
}
if (!selected_nodes.has(node_rects[i].node_name)) {
continue;
}
undo_redo->add_do_method(state_machine.ptr(), "remove_node", node_rects[i].node_name);
undo_redo->add_undo_method(state_machine.ptr(), "add_node", node_rects[i].node_name,
state_machine->get_node(node_rects[i].node_name),
state_machine->get_node_position(node_rects[i].node_name));
for (int j = 0; j < state_machine->get_transition_count(); j++) {
String from = state_machine->get_transition_from(j);
String to = state_machine->get_transition_to(j);
if (from == node_rects[i].node_name || to == node_rects[i].node_name) {
undo_redo->add_undo_method(state_machine.ptr(), "add_transition", from, to, state_machine->get_transition(j));
}
}
}
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
if (!p_nested_action) {
updating = false;
}
selected_nodes.clear();
}
if (selected_transition_to != StringName() && selected_transition_from != StringName() && state_machine->has_transition(selected_transition_from, selected_transition_to)) {
Ref<AnimationNodeStateMachineTransition> tr = state_machine->get_transition(state_machine->find_transition(selected_transition_from, selected_transition_to));
if (!p_nested_action) {
updating = true;
}
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Transition Removed"));
undo_redo->add_do_method(state_machine.ptr(), "remove_transition", selected_transition_from, selected_transition_to);
undo_redo->add_undo_method(state_machine.ptr(), "add_transition", selected_transition_from, selected_transition_to, tr);
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
if (!p_nested_action) {
updating = false;
}
selected_transition_from = StringName();
selected_transition_to = StringName();
selected_transition_index = -1;
}
state_machine_draw->queue_redraw();
}
void AnimationNodeStateMachineEditor::_update_mode() {
if (tool_select->is_pressed()) {
selection_tools_hb->show();
bool nothing_selected = selected_nodes.is_empty() && selected_transition_from == StringName() && selected_transition_to == StringName();
bool start_end_selected = selected_nodes.size() == 1 && (*selected_nodes.begin() == state_machine->start_node || *selected_nodes.begin() == state_machine->end_node);
tool_erase->set_disabled(nothing_selected || start_end_selected || read_only);
} else {
selection_tools_hb->hide();
}
if (tool_connect->is_pressed()) {
transition_tools_hb->show();
} else {
transition_tools_hb->hide();
}
}
void AnimationNodeStateMachineEditor::_bind_methods() {
ClassDB::bind_method("_update_graph", &AnimationNodeStateMachineEditor::_update_graph);
ClassDB::bind_method("_open_editor", &AnimationNodeStateMachineEditor::_open_editor);
ClassDB::bind_method("_connect_to", &AnimationNodeStateMachineEditor::_connect_to);
ClassDB::bind_method("_stop_connecting", &AnimationNodeStateMachineEditor::_stop_connecting);
ClassDB::bind_method("_delete_selected", &AnimationNodeStateMachineEditor::_delete_selected);
ClassDB::bind_method("_delete_all", &AnimationNodeStateMachineEditor::_delete_all);
ClassDB::bind_method("_delete_tree_draw", &AnimationNodeStateMachineEditor::_delete_tree_draw);
}
AnimationNodeStateMachineEditor *AnimationNodeStateMachineEditor::singleton = nullptr;
AnimationNodeStateMachineEditor::AnimationNodeStateMachineEditor() {
singleton = this;
HBoxContainer *top_hb = memnew(HBoxContainer);
add_child(top_hb);
Ref<ButtonGroup> bg;
bg.instantiate();
tool_select = memnew(Button);
tool_select->set_flat(true);
top_hb->add_child(tool_select);
tool_select->set_toggle_mode(true);
tool_select->set_button_group(bg);
tool_select->set_pressed(true);
tool_select->set_tooltip_text(TTR("Select and move nodes.\nRMB: Add node at position clicked.\nShift+LMB+Drag: Connects the selected node with another node or creates a new node if you select an area without nodes."));
tool_select->connect("pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_update_mode), CONNECT_DEFERRED);
tool_create = memnew(Button);
tool_create->set_flat(true);
top_hb->add_child(tool_create);
tool_create->set_toggle_mode(true);
tool_create->set_button_group(bg);
tool_create->set_tooltip_text(TTR("Create new nodes."));
tool_create->connect("pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_update_mode), CONNECT_DEFERRED);
tool_connect = memnew(Button);
tool_connect->set_flat(true);
top_hb->add_child(tool_connect);
tool_connect->set_toggle_mode(true);
tool_connect->set_button_group(bg);
tool_connect->set_tooltip_text(TTR("Connect nodes."));
tool_connect->connect("pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_update_mode), CONNECT_DEFERRED);
// Context-sensitive selection tools:
selection_tools_hb = memnew(HBoxContainer);
top_hb->add_child(selection_tools_hb);
selection_tools_hb->add_child(memnew(VSeparator));
tool_erase = memnew(Button);
tool_erase->set_flat(true);
tool_erase->set_tooltip_text(TTR("Remove selected node or transition."));
tool_erase->connect("pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_erase_selected).bind(false));
tool_erase->set_disabled(true);
selection_tools_hb->add_child(tool_erase);
transition_tools_hb = memnew(HBoxContainer);
top_hb->add_child(transition_tools_hb);
transition_tools_hb->add_child(memnew(VSeparator));
transition_tools_hb->add_child(memnew(Label(TTR("Transition:"))));
switch_mode = memnew(OptionButton);
transition_tools_hb->add_child(switch_mode);
auto_advance = memnew(Button);
auto_advance->set_flat(true);
auto_advance->set_tooltip_text(TTR("New Transitions Should Auto Advance"));
auto_advance->set_toggle_mode(true);
auto_advance->set_pressed(true);
transition_tools_hb->add_child(auto_advance);
//
top_hb->add_spacer();
top_hb->add_child(memnew(Label(TTR("Play Mode:"))));
play_mode = memnew(OptionButton);
top_hb->add_child(play_mode);
panel = memnew(PanelContainer);
panel->set_clip_contents(true);
panel->set_mouse_filter(Control::MOUSE_FILTER_PASS);
add_child(panel);
panel->set_v_size_flags(SIZE_EXPAND_FILL);
state_machine_draw = memnew(Control);
panel->add_child(state_machine_draw);
state_machine_draw->connect("gui_input", callable_mp(this, &AnimationNodeStateMachineEditor::_state_machine_gui_input));
state_machine_draw->connect("draw", callable_mp(this, &AnimationNodeStateMachineEditor::_state_machine_draw));
state_machine_draw->set_focus_mode(FOCUS_ALL);
state_machine_draw->set_mouse_filter(Control::MOUSE_FILTER_PASS);
state_machine_play_pos = memnew(Control);
state_machine_draw->add_child(state_machine_play_pos);
state_machine_play_pos->set_mouse_filter(MOUSE_FILTER_PASS); //pass all to parent
state_machine_play_pos->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
state_machine_play_pos->connect("draw", callable_mp(this, &AnimationNodeStateMachineEditor::_state_machine_pos_draw_all));
v_scroll = memnew(VScrollBar);
state_machine_draw->add_child(v_scroll);
v_scroll->set_anchors_and_offsets_preset(PRESET_RIGHT_WIDE);
v_scroll->connect("value_changed", callable_mp(this, &AnimationNodeStateMachineEditor::_scroll_changed));
h_scroll = memnew(HScrollBar);
state_machine_draw->add_child(h_scroll);
h_scroll->set_anchors_and_offsets_preset(PRESET_BOTTOM_WIDE);
h_scroll->set_offset(SIDE_RIGHT, -v_scroll->get_size().x * EDSCALE);
h_scroll->connect("value_changed", callable_mp(this, &AnimationNodeStateMachineEditor::_scroll_changed));
error_panel = memnew(PanelContainer);
add_child(error_panel);
error_label = memnew(Label);
error_panel->add_child(error_label);
error_panel->hide();
set_custom_minimum_size(Size2(0, 300 * EDSCALE));
menu = memnew(PopupMenu);
add_child(menu);
menu->connect("id_pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_add_menu_type));
menu->connect("popup_hide", callable_mp(this, &AnimationNodeStateMachineEditor::_stop_connecting));
animations_menu = memnew(PopupMenu);
menu->add_child(animations_menu);
animations_menu->set_name("animations");
animations_menu->connect("index_pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_add_animation_type));
connect_menu = memnew(PopupMenu);
add_child(connect_menu);
connect_menu->connect("id_pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_connect_to));
connect_menu->connect("popup_hide", callable_mp(this, &AnimationNodeStateMachineEditor::_stop_connecting));
state_machine_menu = memnew(PopupMenu);
state_machine_menu->set_name("state_machines");
state_machine_menu->connect("id_pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_connect_to));
connect_menu->add_child(state_machine_menu);
end_menu = memnew(PopupMenu);
end_menu->set_name("end_nodes");
end_menu->connect("id_pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_connect_to));
connect_menu->add_child(end_menu);
name_edit_popup = memnew(Popup);
add_child(name_edit_popup);
name_edit = memnew(LineEdit);
name_edit_popup->add_child(name_edit);
name_edit->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
name_edit->connect("text_submitted", callable_mp(this, &AnimationNodeStateMachineEditor::_name_edited));
name_edit->connect("focus_exited", callable_mp(this, &AnimationNodeStateMachineEditor::_name_edited_focus_out));
open_file = memnew(EditorFileDialog);
add_child(open_file);
open_file->set_title(TTR("Open Animation Node"));
open_file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
open_file->connect("file_selected", callable_mp(this, &AnimationNodeStateMachineEditor::_file_opened));
delete_window = memnew(ConfirmationDialog);
delete_window->set_flag(Window::FLAG_RESIZE_DISABLED, true);
add_child(delete_window);
delete_tree = memnew(Tree);
delete_tree->set_hide_root(true);
delete_tree->connect("draw", callable_mp(this, &AnimationNodeStateMachineEditor::_delete_tree_draw));
delete_window->add_child(delete_tree);
Button *ok = delete_window->get_cancel_button();
ok->set_text(TTR("Delete Selected"));
ok->connect("pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_delete_selected));
Button *delete_all = delete_window->add_button(TTR("Delete All"), true);
delete_all->connect("pressed", callable_mp(this, &AnimationNodeStateMachineEditor::_delete_all));
over_node_what = -1;
dragging_selected_attempt = false;
connecting = false;
selected_transition_index = -1;
last_active = false;
error_time = 0;
}
void EditorAnimationMultiTransitionEdit::add_transition(const StringName &p_from, const StringName &p_to, Ref<AnimationNodeStateMachineTransition> p_transition) {
Transition tr;
tr.from = p_from;
tr.to = p_to;
tr.transition = p_transition;
transitions.push_back(tr);
}
bool EditorAnimationMultiTransitionEdit::_set(const StringName &p_name, const Variant &p_property) {
int index = String(p_name).get_slicec('/', 0).to_int();
StringName prop = String(p_name).get_slicec('/', 1);
bool found;
transitions.write[index].transition->set(prop, p_property, &found);
if (found) {
return true;
}
return false;
}
bool EditorAnimationMultiTransitionEdit::_get(const StringName &p_name, Variant &r_property) const {
int index = String(p_name).get_slicec('/', 0).to_int();
StringName prop = String(p_name).get_slicec('/', 1);
if (prop == "transition_path") {
r_property = String(transitions[index].from) + " -> " + transitions[index].to;
return true;
}
bool found;
r_property = transitions[index].transition->get(prop, &found);
if (found) {
return true;
}
return false;
}
void EditorAnimationMultiTransitionEdit::_get_property_list(List<PropertyInfo> *p_list) const {
for (int i = 0; i < transitions.size(); i++) {
List<PropertyInfo> plist;
transitions[i].transition->get_property_list(&plist, true);
PropertyInfo prop_transition_path;
prop_transition_path.type = Variant::STRING;
prop_transition_path.name = itos(i) + "/" + "transition_path";
p_list->push_back(prop_transition_path);
for (List<PropertyInfo>::Element *F = plist.front(); F; F = F->next()) {
if (F->get().name == "script" || F->get().name == "resource_name" || F->get().name == "resource_path" || F->get().name == "resource_local_to_scene") {
continue;
}
if (F->get().usage != PROPERTY_USAGE_DEFAULT) {
continue;
}
PropertyInfo prop = F->get();
prop.name = itos(i) + "/" + prop.name;
p_list->push_back(prop);
}
}
}
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