godot/editor/plugins/animation_state_machine_editor.cpp
2019-06-26 15:08:25 +02:00

1405 lines
48 KiB
C++

/*************************************************************************/
/* animation_state_machine_editor.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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/io/resource_loader.h"
#include "core/math/delaunay.h"
#include "core/os/input.h"
#include "core/os/keyboard.h"
#include "core/project_settings.h"
#include "scene/animation/animation_blend_tree.h"
#include "scene/animation/animation_player.h"
#include "scene/gui/menu_button.h"
#include "scene/gui/panel.h"
#include "scene/main/viewport.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;
if (state_machine.is_valid()) {
selected_transition_from = StringName();
selected_transition_to = StringName();
selected_node = StringName();
_update_mode();
_update_graph();
}
}
void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEvent> &p_event) {
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
if (playback.is_null())
return;
Ref<InputEventKey> k = p_event;
if (tool_select->is_pressed() && k.is_valid() && k->is_pressed() && k->get_scancode() == KEY_DELETE && !k->is_echo()) {
if (selected_node != StringName() || selected_transition_to != StringName() || selected_transition_from != StringName()) {
_erase_selected();
accept_event();
}
}
Ref<InputEventMouseButton> mb = p_event;
//Add new node
if (mb.is_valid() && mb->is_pressed() && ((tool_select->is_pressed() && mb->get_button_index() == BUTTON_RIGHT) || (tool_create->is_pressed() && mb->get_button_index() == BUTTON_LEFT))) {
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");
AnimationTree *gp = AnimationTreeEditor::get_singleton()->get_tree();
ERR_FAIL_COND(!gp);
if (gp && gp->has_node(gp->get_animation_player())) {
AnimationPlayer *ap = Object::cast_to<AnimationPlayer>(gp->get_node(gp->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_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")
continue; // nope
int idx = menu->get_item_count();
menu->add_item(vformat("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_global_position(state_machine_draw->get_global_transform().xform(mb->get_position()));
menu->popup();
add_node_pos = mb->get_position() / EDSCALE + state_machine->get_graph_offset();
}
// select node or push a field inside
if (mb.is_valid() && !mb->get_shift() && mb->is_pressed() && tool_select->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
selected_transition_from = StringName();
selected_transition_to = StringName();
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_rects[i].node_name);
} else {
//travel
playback->travel(node_rects[i].node_name);
}
state_machine_draw->update();
return;
}
if (node_rects[i].name.has_point(mb->get_position())) { //edit name
Ref<StyleBox> line_sb = get_stylebox("normal", "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->set_global_position(state_machine_draw->get_global_transform().xform(edit_rect.position));
name_edit->set_size(edit_rect.size);
name_edit->set_text(node_rects[i].node_name);
name_edit->show_modal();
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("_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;
Ref<AnimationNode> anode = state_machine->get_node(selected_node);
EditorNode::get_singleton()->push_item(anode.ptr(), "", true);
state_machine_draw->update();
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 = Geometry::get_closest_point_to_segment_2d(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;
Ref<AnimationNodeStateMachineTransition> tr = state_machine->get_transition(closest);
EditorNode::get_singleton()->push_item(tr.ptr(), "", true);
}
state_machine_draw->update();
_update_mode();
}
//end moving node
if (mb.is_valid() && dragging_selected_attempt && mb->get_button_index() == BUTTON_LEFT && !mb->is_pressed()) {
if (dragging_selected) {
Ref<AnimationNode> an = state_machine->get_node(selected_node);
updating = true;
undo_redo->create_action(TTR("Move Node"));
undo_redo->add_do_method(state_machine.ptr(), "set_node_position", selected_node, state_machine->get_node_position(selected_node) + drag_ofs / EDSCALE);
undo_redo->add_undo_method(state_machine.ptr(), "set_node_position", selected_node, state_machine->get_node_position(selected_node));
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->update();
}
//connect nodes
if (mb.is_valid() && ((tool_select->is_pressed() && mb->get_shift()) || tool_connect->is_pressed()) && mb->get_button_index() == BUTTON_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;
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() == BUTTON_LEFT && !mb->is_pressed()) {
if (connecting_to_node != StringName()) {
if (state_machine->has_transition(connecting_from, connecting_to_node)) {
EditorNode::get_singleton()->show_warning("Transition exists!");
} else {
Ref<AnimationNodeStateMachineTransition> tr;
tr.instance();
tr->set_switch_mode(AnimationNodeStateMachineTransition::SwitchMode(transition_mode->get_selected()));
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");
undo_redo->commit_action();
updating = false;
selected_transition_from = connecting_from;
selected_transition_to = connecting_to_node;
EditorNode::get_singleton()->push_item(tr.ptr(), "", true);
_update_mode();
}
}
connecting_to_node = StringName();
connecting = false;
state_machine_draw->update();
}
Ref<InputEventMouseMotion> mm = p_event;
//pan window
if (mm.is_valid() && mm->get_button_mask() & BUTTON_MASK_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) {
connecting_to = mm->get_position();
connecting_to_node = StringName();
state_machine_draw->update();
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) {
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 (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
if (E->get() == selected_node)
continue;
Vector2 npos = state_machine->get_node_position(E->get());
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->get();
}
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->get();
}
}
}
state_machine_draw->update();
}
//put ibeam (text cursor) over names to make it clearer that they are editable
if (mm.is_valid()) {
state_machine_draw->grab_focus();
bool over_text_now = false;
String new_over_node = StringName();
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 (node_rects[i].name.has_point(mm->get_position())) {
over_text_now = true;
break;
}
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;
}
if (node_rects[i].edit.has_point(mm->get_position())) {
new_over_node_what = 1;
}
}
}
}
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->update();
}
if (over_text != over_text_now) {
if (over_text_now) {
state_machine_draw->set_default_cursor_shape(CURSOR_IBEAM);
} else {
state_machine_draw->set_default_cursor_shape(CURSOR_ARROW);
}
over_text = over_text_now;
}
}
}
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);
}
}
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 (List<String>::Element *E = filters.front(); E; E = E->next()) {
open_file->add_filter("*." + E->get());
}
open_file->popup_centered_ratio();
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::instance(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 == String()) {
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;
undo_redo->create_action(TTR("Add Node"));
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);
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
updating = false;
state_machine_draw->update();
}
void AnimationNodeStateMachineEditor::_add_animation_type(int p_index) {
Ref<AnimationNodeAnimation> anim;
anim.instance();
anim->set_animation(animations_to_add[p_index]);
String base_name = animations_to_add[p_index];
int base = 1;
String name = base_name;
while (state_machine->has_node(name)) {
base++;
name = base_name + " " + itos(base);
}
updating = true;
undo_redo->create_action(TTR("Add Node"));
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);
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
updating = false;
state_machine_draw->update();
}
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, bool p_auto_advance) {
Color linecolor = get_color("font_color", "Label");
Color icon_color(1, 1, 1);
Color accent = get_color("accent_color", "Editor");
if (!p_enabled) {
linecolor.a *= 0.2;
icon_color.a *= 0.2;
accent.a *= 0.6;
}
Ref<Texture> icons[6] = {
get_icon("TransitionImmediateBig", "EditorIcons"),
get_icon("TransitionSyncBig", "EditorIcons"),
get_icon("TransitionEndBig", "EditorIcons"),
get_icon("TransitionImmediateAutoBig", "EditorIcons"),
get_icon("TransitionSyncAutoBig", "EditorIcons"),
get_icon("TransitionEndAutoBig", "EditorIcons")
};
if (p_selected) {
state_machine_draw->draw_line(p_from, p_to, accent, 6, true);
}
if (p_travel) {
linecolor = accent;
linecolor.set_hsv(1.0, linecolor.get_s(), linecolor.get_v());
}
state_machine_draw->draw_line(p_from, p_to, linecolor, 2, true);
Ref<Texture> icon = icons[p_mode + (p_auto_advance ? 3 : 0)];
Transform2D xf;
xf.elements[0] = (p_to - p_from).normalized();
xf.elements[1] = xf.elements[0].tangent();
xf.elements[2] = (p_from + p_to) * 0.5 - xf.elements[1] * icon->get_height() * 0.5 - xf.elements[0] * icon->get_height() * 0.5;
state_machine_draw->draw_set_transform_matrix(xf);
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, Vector2 &r_to, const Rect2 &p_rect) {
if (r_to == r_from)
return;
//this could be optimized...
Vector2 n = (r_to - r_from).normalized();
while (p_rect.has_point(r_from)) {
r_from += n;
}
}
void AnimationNodeStateMachineEditor::_clip_dst_line_to_rect(Vector2 &r_from, Vector2 &r_to, const Rect2 &p_rect) {
if (r_to == r_from)
return;
//this could be optimized...
Vector2 n = (r_to - r_from).normalized();
while (p_rect.has_point(r_to)) {
r_to -= n;
}
}
void AnimationNodeStateMachineEditor::_state_machine_draw() {
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
Ref<StyleBox> style = get_stylebox("state_machine_frame", "GraphNode");
Ref<StyleBox> style_selected = get_stylebox("state_machine_selectedframe", "GraphNode");
Ref<Font> font = get_font("title_font", "GraphNode");
Color font_color = get_color("title_color", "GraphNode");
Ref<Texture> play = get_icon("Play", "EditorIcons");
Ref<Texture> auto_play = get_icon("AutoPlay", "EditorIcons");
Ref<Texture> edit = get_icon("Edit", "EditorIcons");
Color accent = get_color("accent_color", "Editor");
Color linecolor = get_color("font_color", "Label");
linecolor.a *= 0.3;
Ref<StyleBox> playing_overlay = get_stylebox("position", "GraphNode");
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_blend_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 (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
Ref<AnimationNode> anode = state_machine->get_node(E->get());
String name = E->get();
bool needs_editor = EditorNode::get_singleton()->item_has_editor(anode.ptr());
Ref<StyleBox> sb = E->get() == selected_node ? style_selected : style;
Size2 s = sb->get_minimum_size();
int strsize = font->get_string_size(name).width;
s.width += strsize;
s.height += MAX(font->get_height(), 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->get()) * EDSCALE;
if (selected_node == E->get() && dragging_selected) {
offset += drag_ofs;
}
offset -= s / 2;
offset = offset.floor();
//prepre rect
NodeRect nr;
nr.node = Rect2(offset, s);
nr.node_name = E->get();
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(transition_mode->get_selected()), true, false, false, false);
}
Ref<Texture> tr_reference_icon = get_icon("TransitionImmediateBig", "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.from_node = state_machine->get_transition_from(i);
Vector2 ofs_from = (dragging_selected && tl.from_node == selected_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 && tl.to_node == selected_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 = tr->is_disabled();
tl.auto_advance = tr->has_auto_advance();
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;
if (state_machine->has_transition(tl.to_node, tl.from_node)) { //offset if same exists
Vector2 offset = -(tl.from - tl.to).normalized().tangent() * 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);
}
}
bool selected = selected_transition_from == tl.from_node && selected_transition_to == tl.to_node;
bool travel = false;
if (blend_from == tl.from_node && current == tl.to_node) {
travel = true;
}
if (travel_path.size()) {
if (current == tl.from_node && travel_path[0] == tl.to_node) {
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) {
travel = true;
break;
}
}
}
}
bool auto_advance = tl.auto_advance;
StringName fullpath = AnimationTreeEditor::get_singleton()->get_base_path() + String(tl.advance_condition_name);
if (tl.advance_condition_name != StringName() && bool(AnimationTreeEditor::get_singleton()->get_tree()->get(fullpath))) {
tl.advance_condition_state = true;
auto_advance = true;
}
_connection_draw(tl.from, tl.to, tl.mode, !tl.disabled, selected, travel, auto_advance);
transition_lines.push_back(tl);
}
//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 = name == selected_node ? style_selected : style;
int strsize = font->get_string_size(name).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 (playing && (blend_from == name || current == name || travel_path.find(name) != -1)) {
state_machine_draw->draw_style_box(playing_overlay, nr.node);
}
bool onstart = state_machine->get_start_node() == name;
if (onstart) {
state_machine_draw->draw_string(font, offset + Vector2(0, -font->get_height() - 3 * EDSCALE + font->get_ascent()), TTR("Start"), font_color);
}
if (state_machine->get_end_node() == name) {
int endofs = nr.node.size.x - font->get_string_size(TTR("End")).x;
state_machine_draw->draw_string(font, offset + Vector2(endofs, -font->get_height() - 3 * EDSCALE + font->get_ascent()), TTR("End"), font_color);
}
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<Texture> play_tex = onstart ? auto_play : 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()) / 2).floor();
nr.name.size = Vector2(strsize, font->get_height());
state_machine_draw->draw_string(font, nr.name.position + Vector2(0, font->get_ascent()), name, font_color);
offset.x += strsize + sep;
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);
}
offset.x += sep + edit->get_width();
}
}
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->update();
}
void AnimationNodeStateMachineEditor::_state_machine_pos_draw() {
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
if (!playback.is_valid() || !playback->is_playing())
return;
int idx = -1;
for (int i = 0; i < node_rects.size(); i++) {
if (node_rects[i].node_name == playback->get_current_node()) {
idx = i;
break;
}
}
if (idx == -1)
return;
const NodeRect &nr = node_rects[idx];
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 len = MAX(0.0001, current_length);
float pos = CLAMP(play_pos, 0, len);
float c = pos / len;
Color fg = get_color("font_color", "Label");
Color bg = fg;
bg.a *= 0.3;
state_machine_play_pos->draw_line(from, to, bg, 2);
to = from.linear_interpolate(to, c);
state_machine_play_pos->draw_line(from, to, fg, 2);
}
void AnimationNodeStateMachineEditor::_update_graph() {
if (updating)
return;
updating = true;
state_machine_draw->update();
updating = false;
}
void AnimationNodeStateMachineEditor::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
error_panel->add_style_override("panel", get_stylebox("bg", "Tree"));
error_label->add_color_override("font_color", get_color("error_color", "Editor"));
panel->add_style_override("panel", get_stylebox("bg", "Tree"));
tool_select->set_icon(get_icon("ToolSelect", "EditorIcons"));
tool_create->set_icon(get_icon("ToolAddNode", "EditorIcons"));
tool_connect->set_icon(get_icon("ToolConnect", "EditorIcons"));
transition_mode->clear();
transition_mode->add_icon_item(get_icon("TransitionImmediate", "EditorIcons"), TTR("Immediate"));
transition_mode->add_icon_item(get_icon("TransitionSync", "EditorIcons"), TTR("Sync"));
transition_mode->add_icon_item(get_icon("TransitionEnd", "EditorIcons"), TTR("At End"));
//force filter on those, so they deform better
get_icon("TransitionImmediateBig", "EditorIcons")->set_flags(Texture::FLAG_FILTER);
get_icon("TransitionEndBig", "EditorIcons")->set_flags(Texture::FLAG_FILTER);
get_icon("TransitionSyncBig", "EditorIcons")->set_flags(Texture::FLAG_FILTER);
get_icon("TransitionImmediateAutoBig", "EditorIcons")->set_flags(Texture::FLAG_FILTER);
get_icon("TransitionEndAutoBig", "EditorIcons")->set_flags(Texture::FLAG_FILTER);
get_icon("TransitionSyncAutoBig", "EditorIcons")->set_flags(Texture::FLAG_FILTER);
tool_erase->set_icon(get_icon("Remove", "EditorIcons"));
tool_autoplay->set_icon(get_icon("AutoPlay", "EditorIcons"));
tool_end->set_icon(get_icon("AutoEnd", "EditorIcons"));
play_mode->clear();
play_mode->add_icon_item(get_icon("PlayTravel", "EditorIcons"), TTR("Travel"));
play_mode->add_icon_item(get_icon("Play", "EditorIcons"), TTR("Immediate"));
}
if (p_what == NOTIFICATION_PROCESS) {
String error;
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
if (error_time > 0) {
error = error_text;
error_time -= get_process_delta_time();
} else if (!AnimationTreeEditor::get_singleton()->get_tree()->is_active()) {
error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
} else if (AnimationTreeEditor::get_singleton()->get_tree()->is_state_invalid()) {
error = AnimationTreeEditor::get_singleton()->get_tree()->get_invalid_state_reason();
/*} else if (state_machine->get_parent().is_valid() && state_machine->get_parent()->is_class("AnimationNodeStateMachine")) {
if (state_machine->get_start_node() == StringName() || state_machine->get_end_node() == StringName()) {
error = TTR("Start and end nodes are needed for a sub-transition.");
}*/
} 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 != String()) {
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->update();
break;
}
if (transition_lines[i].disabled != state_machine->get_transition(tidx)->is_disabled()) {
state_machine_draw->update();
break;
}
if (transition_lines[i].auto_advance != state_machine->get_transition(tidx)->has_auto_advance()) {
state_machine_draw->update();
break;
}
if (transition_lines[i].advance_condition_name != state_machine->get_transition(tidx)->get_advance_condition_name()) {
state_machine_draw->update();
break;
}
if (transition_lines[i].mode != state_machine->get_transition(tidx)->get_switch_mode()) {
state_machine_draw->update();
break;
}
bool acstate = transition_lines[i].advance_condition_name != StringName() && bool(AnimationTreeEditor::get_singleton()->get_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->update();
break;
}
}
bool same_travel_path = true;
Vector<StringName> tp;
bool is_playing = false;
StringName current_node;
StringName blend_from_node;
play_pos = 0;
current_length = 0;
if (playback.is_valid()) {
tp = playback->get_travel_path();
is_playing = playback->is_playing();
current_node = playback->get_current_node();
blend_from_node = playback->get_blend_from_node();
play_pos = playback->get_current_play_pos();
current_length = playback->get_current_length();
}
{
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;
}
}
}
}
//update if travel state changed
if (!same_travel_path || last_active != is_playing || last_current_node != current_node || last_blend_from_node != blend_from_node) {
state_machine_draw->update();
last_travel_path = tp;
last_current_node = current_node;
last_active = is_playing;
last_blend_from_node = blend_from_node;
state_machine_play_pos->update();
}
{
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 = AnimationTreeEditor::get_singleton()->get_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + next + "/playback");
next += "/" + current_node_playback->get_current_node();
anodesm = anodesm->get_node(current_node_playback->get_current_node());
}
// when current_node is a state machine, use playback of current_node to set play_pos
if (current_node_playback.is_valid()) {
play_pos = current_node_playback->get_current_play_pos();
current_length = current_node_playback->get_current_length();
}
}
}
if (last_play_pos != play_pos) {
last_play_pos = play_pos;
state_machine_play_pos->update();
}
}
if (p_what == NOTIFICATION_VISIBILITY_CHANGED) {
over_node = StringName();
set_process(is_visible_in_tree());
}
}
void AnimationNodeStateMachineEditor::_open_editor(const String &p_name) {
AnimationTreeEditor::get_singleton()->enter_editor(p_name);
}
void AnimationNodeStateMachineEditor::_removed_from_graph() {
EditorNode::get_singleton()->edit_item(NULL);
}
void AnimationNodeStateMachineEditor::_name_edited(const String &p_text) {
const String &new_name = p_text;
ERR_FAIL_COND(new_name == "" || new_name.find(".") != -1 || new_name.find("/") != -1);
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;
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();
updating = false;
state_machine_draw->update();
name_edit->hide();
}
void AnimationNodeStateMachineEditor::_name_edited_focus_out() {
_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->update();
}
void AnimationNodeStateMachineEditor::_erase_selected() {
if (selected_node != StringName() && state_machine->has_node(selected_node)) {
updating = true;
undo_redo->create_action(TTR("Node Removed"));
undo_redo->add_do_method(state_machine.ptr(), "remove_node", selected_node);
undo_redo->add_undo_method(state_machine.ptr(), "add_node", selected_node, state_machine->get_node(selected_node), state_machine->get_node_position(selected_node));
for (int i = 0; i < state_machine->get_transition_count(); i++) {
String from = state_machine->get_transition_from(i);
String to = state_machine->get_transition_to(i);
if (from == selected_node || to == selected_node) {
undo_redo->add_undo_method(state_machine.ptr(), "add_transition", from, to, state_machine->get_transition(i));
}
}
if (String(state_machine->get_start_node()) == selected_node) {
undo_redo->add_undo_method(state_machine.ptr(), "set_start_node", selected_node);
}
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
updating = false;
selected_node = StringName();
}
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));
updating = true;
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();
updating = false;
selected_transition_from = StringName();
selected_transition_to = StringName();
}
state_machine_draw->update();
}
void AnimationNodeStateMachineEditor::_autoplay_selected() {
if (selected_node != StringName() && state_machine->has_node(selected_node)) {
StringName new_start_node;
if (state_machine->get_start_node() == selected_node) { //toggle it
new_start_node = StringName();
} else {
new_start_node = selected_node;
}
updating = true;
undo_redo->create_action(TTR("Set Start Node (Autoplay)"));
undo_redo->add_do_method(state_machine.ptr(), "set_start_node", new_start_node);
undo_redo->add_undo_method(state_machine.ptr(), "set_start_node", state_machine->get_start_node());
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
updating = false;
state_machine_draw->update();
}
}
void AnimationNodeStateMachineEditor::_end_selected() {
if (selected_node != StringName() && state_machine->has_node(selected_node)) {
StringName new_end_node;
if (state_machine->get_end_node() == selected_node) { //toggle it
new_end_node = StringName();
} else {
new_end_node = selected_node;
}
updating = true;
undo_redo->create_action(TTR("Set Start Node (Autoplay)"));
undo_redo->add_do_method(state_machine.ptr(), "set_end_node", new_end_node);
undo_redo->add_undo_method(state_machine.ptr(), "set_end_node", state_machine->get_end_node());
undo_redo->add_do_method(this, "_update_graph");
undo_redo->add_undo_method(this, "_update_graph");
undo_redo->commit_action();
updating = false;
state_machine_draw->update();
}
}
void AnimationNodeStateMachineEditor::_update_mode() {
if (tool_select->is_pressed()) {
tool_erase_hb->show();
tool_erase->set_disabled(selected_node == StringName() && selected_transition_from == StringName() && selected_transition_to == StringName());
tool_autoplay->set_disabled(selected_node == StringName());
tool_end->set_disabled(selected_node == StringName());
} else {
tool_erase_hb->hide();
}
}
void AnimationNodeStateMachineEditor::_bind_methods() {
ClassDB::bind_method("_state_machine_gui_input", &AnimationNodeStateMachineEditor::_state_machine_gui_input);
ClassDB::bind_method("_state_machine_draw", &AnimationNodeStateMachineEditor::_state_machine_draw);
ClassDB::bind_method("_state_machine_pos_draw", &AnimationNodeStateMachineEditor::_state_machine_pos_draw);
ClassDB::bind_method("_update_graph", &AnimationNodeStateMachineEditor::_update_graph);
ClassDB::bind_method("_add_menu_type", &AnimationNodeStateMachineEditor::_add_menu_type);
ClassDB::bind_method("_add_animation_type", &AnimationNodeStateMachineEditor::_add_animation_type);
ClassDB::bind_method("_name_edited", &AnimationNodeStateMachineEditor::_name_edited);
ClassDB::bind_method("_name_edited_focus_out", &AnimationNodeStateMachineEditor::_name_edited_focus_out);
ClassDB::bind_method("_removed_from_graph", &AnimationNodeStateMachineEditor::_removed_from_graph);
ClassDB::bind_method("_open_editor", &AnimationNodeStateMachineEditor::_open_editor);
ClassDB::bind_method("_scroll_changed", &AnimationNodeStateMachineEditor::_scroll_changed);
ClassDB::bind_method("_erase_selected", &AnimationNodeStateMachineEditor::_erase_selected);
ClassDB::bind_method("_autoplay_selected", &AnimationNodeStateMachineEditor::_autoplay_selected);
ClassDB::bind_method("_end_selected", &AnimationNodeStateMachineEditor::_end_selected);
ClassDB::bind_method("_update_mode", &AnimationNodeStateMachineEditor::_update_mode);
ClassDB::bind_method("_file_opened", &AnimationNodeStateMachineEditor::_file_opened);
}
AnimationNodeStateMachineEditor *AnimationNodeStateMachineEditor::singleton = NULL;
AnimationNodeStateMachineEditor::AnimationNodeStateMachineEditor() {
singleton = this;
updating = false;
HBoxContainer *top_hb = memnew(HBoxContainer);
add_child(top_hb);
Ref<ButtonGroup> bg;
bg.instance();
tool_select = memnew(ToolButton);
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(TTR("Select and move nodes.\nRMB to add new nodes.\nShift+LMB to create connections."));
tool_select->connect("pressed", this, "_update_mode", varray(), CONNECT_DEFERRED);
tool_create = memnew(ToolButton);
top_hb->add_child(tool_create);
tool_create->set_toggle_mode(true);
tool_create->set_button_group(bg);
tool_create->set_tooltip(TTR("Create new nodes."));
tool_create->connect("pressed", this, "_update_mode", varray(), CONNECT_DEFERRED);
tool_connect = memnew(ToolButton);
top_hb->add_child(tool_connect);
tool_connect->set_toggle_mode(true);
tool_connect->set_button_group(bg);
tool_connect->set_tooltip(TTR("Connect nodes."));
tool_connect->connect("pressed", this, "_update_mode", varray(), CONNECT_DEFERRED);
tool_erase_hb = memnew(HBoxContainer);
top_hb->add_child(tool_erase_hb);
tool_erase_hb->add_child(memnew(VSeparator));
tool_erase = memnew(ToolButton);
tool_erase->set_tooltip(TTR("Remove selected node or transition."));
tool_erase_hb->add_child(tool_erase);
tool_erase->connect("pressed", this, "_erase_selected");
tool_erase->set_disabled(true);
tool_erase_hb->add_child(memnew(VSeparator));
tool_autoplay = memnew(ToolButton);
tool_autoplay->set_tooltip(TTR("Toggle autoplay this animation on start, restart or seek to zero."));
tool_erase_hb->add_child(tool_autoplay);
tool_autoplay->connect("pressed", this, "_autoplay_selected");
tool_autoplay->set_disabled(true);
tool_end = memnew(ToolButton);
tool_end->set_tooltip(TTR("Set the end animation. This is useful for sub-transitions."));
tool_erase_hb->add_child(tool_end);
tool_end->connect("pressed", this, "_end_selected");
tool_end->set_disabled(true);
top_hb->add_child(memnew(VSeparator));
top_hb->add_child(memnew(Label(TTR("Transition: "))));
transition_mode = memnew(OptionButton);
top_hb->add_child(transition_mode);
top_hb->add_spacer();
top_hb->add_child(memnew(Label("Play Mode:")));
play_mode = memnew(OptionButton);
top_hb->add_child(play_mode);
panel = memnew(PanelContainer);
panel->set_clip_contents(true);
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", this, "_state_machine_gui_input");
state_machine_draw->connect("draw", this, "_state_machine_draw");
state_machine_draw->set_focus_mode(FOCUS_ALL);
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_margins_preset(PRESET_WIDE);
state_machine_play_pos->connect("draw", this, "_state_machine_pos_draw");
v_scroll = memnew(VScrollBar);
state_machine_draw->add_child(v_scroll);
v_scroll->set_anchors_and_margins_preset(PRESET_RIGHT_WIDE);
v_scroll->connect("value_changed", this, "_scroll_changed");
h_scroll = memnew(HScrollBar);
state_machine_draw->add_child(h_scroll);
h_scroll->set_anchors_and_margins_preset(PRESET_BOTTOM_WIDE);
h_scroll->set_margin(MARGIN_RIGHT, -v_scroll->get_size().x * EDSCALE);
h_scroll->connect("value_changed", this, "_scroll_changed");
error_panel = memnew(PanelContainer);
add_child(error_panel);
error_label = memnew(Label);
error_panel->add_child(error_label);
error_panel->hide();
undo_redo = EditorNode::get_undo_redo();
set_custom_minimum_size(Size2(0, 300 * EDSCALE));
menu = memnew(PopupMenu);
add_child(menu);
menu->connect("id_pressed", this, "_add_menu_type");
animations_menu = memnew(PopupMenu);
menu->add_child(animations_menu);
animations_menu->set_name("animations");
animations_menu->connect("index_pressed", this, "_add_animation_type");
name_edit = memnew(LineEdit);
state_machine_draw->add_child(name_edit);
name_edit->hide();
name_edit->connect("text_entered", this, "_name_edited");
name_edit->connect("focus_exited", this, "_name_edited_focus_out");
name_edit->set_as_toplevel(true);
open_file = memnew(EditorFileDialog);
add_child(open_file);
open_file->set_title(TTR("Open Animation Node"));
open_file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
open_file->connect("file_selected", this, "_file_opened");
undo_redo = EditorNode::get_undo_redo();
over_text = false;
over_node_what = -1;
dragging_selected_attempt = false;
connecting = false;
last_active = false;
error_time = 0;
}