Add null checks to AnimationTreeEditors and _clear_editors()

This commit is contained in:
Silc Renew 2022-12-13 03:00:11 +09:00
parent bc5d67c613
commit b0eb3b6ebd
7 changed files with 138 additions and 57 deletions

View File

@ -46,6 +46,11 @@ StringName AnimationNodeBlendSpace1DEditor::get_blend_position_path() const {
}
void AnimationNodeBlendSpace1DEditor::_blend_space_gui_input(const Ref<InputEvent> &p_event) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
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()) {
@ -71,11 +76,8 @@ void AnimationNodeBlendSpace1DEditor::_blend_space_gui_input(const Ref<InputEven
menu->add_submenu_item(TTR("Add Animation"), "animations");
AnimationTree *gp = AnimationTreeEditor::get_singleton()->get_animation_tree();
ERR_FAIL_COND(!gp);
if (gp->has_node(gp->get_animation_player())) {
AnimationPlayer *ap = Object::cast_to<AnimationPlayer>(gp->get_node(gp->get_animation_player()));
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;
@ -180,7 +182,7 @@ void AnimationNodeBlendSpace1DEditor::_blend_space_gui_input(const Ref<InputEven
blend_pos *= blend_space->get_max_space() - blend_space->get_min_space();
blend_pos += blend_space->get_min_space();
AnimationTreeEditor::get_singleton()->get_animation_tree()->set(get_blend_position_path(), blend_pos);
tree->set(get_blend_position_path(), blend_pos);
blend_space_draw->queue_redraw();
}
@ -203,13 +205,18 @@ void AnimationNodeBlendSpace1DEditor::_blend_space_gui_input(const Ref<InputEven
blend_pos *= blend_space->get_max_space() - blend_space->get_min_space();
blend_pos += blend_space->get_min_space();
AnimationTreeEditor::get_singleton()->get_animation_tree()->set(get_blend_position_path(), blend_pos);
tree->set(get_blend_position_path(), blend_pos);
blend_space_draw->queue_redraw();
}
}
void AnimationNodeBlendSpace1DEditor::_blend_space_draw() {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
Color linecolor = get_theme_color(SNAME("font_color"), SNAME("Label"));
Color linecolor_soft = linecolor;
linecolor_soft.a *= 0.5;
@ -301,7 +308,7 @@ void AnimationNodeBlendSpace1DEditor::_blend_space_draw() {
color.a *= 0.5;
}
float point = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(get_blend_position_path());
float point = tree->get(get_blend_position_path());
point = (point - blend_space->get_min_space()) / (blend_space->get_max_space() - blend_space->get_min_space());
point *= s.width;
@ -575,12 +582,17 @@ void AnimationNodeBlendSpace1DEditor::_notification(int p_what) {
} break;
case NOTIFICATION_PROCESS: {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
String error;
if (!AnimationTreeEditor::get_singleton()->get_animation_tree()->is_active()) {
if (!tree->is_active()) {
error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
} else if (AnimationTreeEditor::get_singleton()->get_animation_tree()->is_state_invalid()) {
error = AnimationTreeEditor::get_singleton()->get_animation_tree()->get_invalid_state_reason();
} else if (tree->is_state_invalid()) {
error = tree->get_invalid_state_reason();
}
if (error != error_label->get_text()) {

View File

@ -95,6 +95,11 @@ StringName AnimationNodeBlendSpace2DEditor::get_blend_position_path() const {
}
void AnimationNodeBlendSpace2DEditor::_blend_space_gui_input(const Ref<InputEvent> &p_event) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
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_point != -1 || selected_triangle != -1) {
@ -118,10 +123,8 @@ void AnimationNodeBlendSpace2DEditor::_blend_space_gui_input(const Ref<InputEven
ClassDB::get_inheriters_from_class("AnimationRootNode", &classes);
menu->add_submenu_item(TTR("Add Animation"), "animations");
AnimationTree *gp = AnimationTreeEditor::get_singleton()->get_animation_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 (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);
@ -275,7 +278,7 @@ void AnimationNodeBlendSpace2DEditor::_blend_space_gui_input(const Ref<InputEven
blend_pos *= (blend_space->get_max_space() - blend_space->get_min_space());
blend_pos += blend_space->get_min_space();
AnimationTreeEditor::get_singleton()->get_animation_tree()->set(get_blend_position_path(), blend_pos);
tree->set(get_blend_position_path(), blend_pos);
blend_space_draw->queue_redraw();
}
@ -311,7 +314,7 @@ void AnimationNodeBlendSpace2DEditor::_blend_space_gui_input(const Ref<InputEven
blend_pos *= (blend_space->get_max_space() - blend_space->get_min_space());
blend_pos += blend_space->get_min_space();
AnimationTreeEditor::get_singleton()->get_animation_tree()->set(get_blend_position_path(), blend_pos);
tree->set(get_blend_position_path(), blend_pos);
blend_space_draw->queue_redraw();
}
@ -438,6 +441,11 @@ void AnimationNodeBlendSpace2DEditor::_tool_switch(int p_tool) {
}
void AnimationNodeBlendSpace2DEditor::_blend_space_draw() {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
Color linecolor = get_theme_color(SNAME("font_color"), SNAME("Label"));
Color linecolor_soft = linecolor;
linecolor_soft.a *= 0.5;
@ -596,7 +604,7 @@ void AnimationNodeBlendSpace2DEditor::_blend_space_draw() {
color.a *= 0.5;
}
Vector2 blend_pos = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(get_blend_position_path());
Vector2 blend_pos = tree->get(get_blend_position_path());
Vector2 point = blend_pos;
point = (point - blend_space->get_min_space()) / (blend_space->get_max_space() - blend_space->get_min_space());
@ -806,14 +814,19 @@ void AnimationNodeBlendSpace2DEditor::_notification(int p_what) {
} break;
case NOTIFICATION_PROCESS: {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
String error;
if (!AnimationTreeEditor::get_singleton()->get_animation_tree()) {
if (!tree) {
error = TTR("BlendSpace2D does not belong to an AnimationTree node.");
} else if (!AnimationTreeEditor::get_singleton()->get_animation_tree()->is_active()) {
} else if (!tree->is_active()) {
error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
} else if (AnimationTreeEditor::get_singleton()->get_animation_tree()->is_state_invalid()) {
error = AnimationTreeEditor::get_singleton()->get_animation_tree()->get_invalid_state_reason();
} else if (tree->is_state_invalid()) {
error = tree->get_invalid_state_reason();
} else if (blend_space->get_triangle_count() == 0) {
error = TTR("No triangles exist, so no blending can take place.");
}

View File

@ -99,6 +99,9 @@ Size2 AnimationNodeBlendTreeEditor::get_minimum_size() const {
void AnimationNodeBlendTreeEditor::_property_changed(const StringName &p_property, const Variant &p_value, const String &p_field, bool p_changing) {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
updating = true;
Ref<EditorUndoRedoManager> &undo_redo = EditorNode::get_undo_redo();
undo_redo->create_action(TTR("Parameter Changed:") + " " + String(p_property), UndoRedo::MERGE_ENDS);
@ -115,6 +118,11 @@ void AnimationNodeBlendTreeEditor::update_graph() {
return;
}
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
visible_properties.clear();
graph->set_scroll_ofs(blend_tree->get_graph_offset() * EDSCALE);
@ -177,10 +185,10 @@ void AnimationNodeBlendTreeEditor::update_graph() {
continue;
}
String base_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E) + "/" + F.name;
EditorProperty *prop = EditorInspector::instantiate_property_editor(AnimationTreeEditor::get_singleton()->get_animation_tree(), F.type, base_path, F.hint, F.hint_string, F.usage);
EditorProperty *prop = EditorInspector::instantiate_property_editor(tree, F.type, base_path, F.hint, F.hint_string, F.usage);
if (prop) {
prop->set_read_only(read_only);
prop->set_object_and_property(AnimationTreeEditor::get_singleton()->get_animation_tree(), base_path);
prop->set_object_and_property(tree, base_path);
prop->update_property();
prop->set_name_split_ratio(0);
prop->connect("property_changed", callable_mp(this, &AnimationNodeBlendTreeEditor::_property_changed));
@ -228,9 +236,8 @@ void AnimationNodeBlendTreeEditor::update_graph() {
ProgressBar *pb = memnew(ProgressBar);
AnimationTree *player = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (player->has_node(player->get_animation_player())) {
AnimationPlayer *ap = Object::cast_to<AnimationPlayer>(player->get_node(player->get_animation_player()));
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> anims;
ap->get_animation_list(&anims);
@ -601,14 +608,19 @@ bool AnimationNodeBlendTreeEditor::_update_filters(const Ref<AnimationNode> &ano
return false;
}
NodePath player_path = AnimationTreeEditor::get_singleton()->get_animation_tree()->get_animation_player();
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return false;
}
if (!AnimationTreeEditor::get_singleton()->get_animation_tree()->has_node(player_path)) {
NodePath player_path = tree->get_animation_player();
if (!tree->has_node(player_path)) {
EditorNode::get_singleton()->show_warning(TTR("No animation player set, so unable to retrieve track names."));
return false;
}
AnimationPlayer *player = Object::cast_to<AnimationPlayer>(AnimationTreeEditor::get_singleton()->get_animation_tree()->get_node(player_path));
AnimationPlayer *player = Object::cast_to<AnimationPlayer>(tree->get_node(player_path));
if (!player) {
EditorNode::get_singleton()->show_warning(TTR("Player path set is invalid, so unable to retrieve track names."));
return false;
@ -839,12 +851,17 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
} break;
case NOTIFICATION_PROCESS: {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return; // Node has been changed.
}
String error;
if (!AnimationTreeEditor::get_singleton()->get_animation_tree()->is_active()) {
if (!tree->is_active()) {
error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
} else if (AnimationTreeEditor::get_singleton()->get_animation_tree()->is_state_invalid()) {
error = AnimationTreeEditor::get_singleton()->get_animation_tree()->get_invalid_state_reason();
} else if (tree->is_state_invalid()) {
error = tree->get_invalid_state_reason();
}
if (error != error_label->get_text()) {
@ -861,16 +878,15 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
for (const AnimationNodeBlendTree::NodeConnection &E : conns) {
float activity = 0;
StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E.input_node;
if (AnimationTreeEditor::get_singleton()->get_animation_tree() && !AnimationTreeEditor::get_singleton()->get_animation_tree()->is_state_invalid()) {
activity = AnimationTreeEditor::get_singleton()->get_animation_tree()->get_connection_activity(path, E.input_index);
if (!tree->is_state_invalid()) {
activity = tree->get_connection_activity(path, E.input_index);
}
graph->set_connection_activity(E.output_node, 0, E.input_node, E.input_index, activity);
}
AnimationTree *graph_player = AnimationTreeEditor::get_singleton()->get_animation_tree();
AnimationPlayer *player = nullptr;
if (graph_player->has_node(graph_player->get_animation_player())) {
player = Object::cast_to<AnimationPlayer>(graph_player->get_node(graph_player->get_animation_player()));
if (tree->has_node(tree->get_animation_player())) {
player = Object::cast_to<AnimationPlayer>(tree->get_node(tree->get_animation_player()));
}
if (player) {
@ -883,7 +899,7 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
E.value->set_max(anim->get_length());
//StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E.input_node;
StringName time_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E.key) + "/time";
E.value->set_value(AnimationTreeEditor::get_singleton()->get_animation_tree()->get(time_path));
E.value->set_value(tree->get(time_path));
}
}
}
@ -937,6 +953,11 @@ void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<Anima
return;
}
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
String prev_name = blend_tree->get_node_name(p_node);
ERR_FAIL_COND(prev_name.is_empty());
GraphNode *gn = Object::cast_to<GraphNode>(graph->get_node(prev_name));
@ -965,8 +986,8 @@ void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<Anima
undo_redo->create_action(TTR("Node Renamed"));
undo_redo->add_do_method(blend_tree.ptr(), "rename_node", prev_name, name);
undo_redo->add_undo_method(blend_tree.ptr(), "rename_node", name, prev_name);
undo_redo->add_do_method(AnimationTreeEditor::get_singleton()->get_animation_tree(), "rename_parameter", base_path + prev_name, base_path + name);
undo_redo->add_undo_method(AnimationTreeEditor::get_singleton()->get_animation_tree(), "rename_parameter", base_path + name, base_path + prev_name);
undo_redo->add_do_method(tree, "rename_parameter", base_path + prev_name, base_path + name);
undo_redo->add_undo_method(tree, "rename_parameter", base_path + name, base_path + prev_name);
undo_redo->add_do_method(this, "update_graph");
undo_redo->add_undo_method(this, "update_graph");
undo_redo->commit_action();

View File

@ -79,7 +79,12 @@ void AnimationNodeStateMachineEditor::edit(const Ref<AnimationNode> &p_node) {
}
void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEvent> &p_event) {
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
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_null()) {
return;
}
@ -736,6 +741,11 @@ void AnimationNodeStateMachineEditor::_ungroup_selected_nodes() {
}
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();
@ -745,10 +755,8 @@ void AnimationNodeStateMachineEditor::_open_menu(const Vector2 &p_position) {
ClassDB::get_inheriters_from_class("AnimationRootNode", &classes);
menu->add_submenu_item(TTR("Add Animation"), "animations");
AnimationTree *gp = AnimationTreeEditor::get_singleton()->get_animation_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 (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);
@ -1192,7 +1200,12 @@ void AnimationNodeStateMachineEditor::_clip_dst_line_to_rect(const Vector2 &p_fr
}
void AnimationNodeStateMachineEditor::_state_machine_draw() {
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
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"));
@ -1380,7 +1393,7 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
}
StringName fullpath = AnimationTreeEditor::get_singleton()->get_base_path() + String(tl.advance_condition_name);
if (tl.advance_condition_name != StringName() && bool(AnimationTreeEditor::get_singleton()->get_animation_tree()->get(fullpath))) {
if (tl.advance_condition_name != StringName() && bool(tree->get(fullpath))) {
tl.advance_condition_state = true;
tl.auto_advance = true;
}
@ -1495,7 +1508,12 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
}
void AnimationNodeStateMachineEditor::_state_machine_pos_draw() {
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
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;
@ -1587,17 +1605,22 @@ void AnimationNodeStateMachineEditor::_notification(int p_what) {
} break;
case NOTIFICATION_PROCESS: {
AnimationTree *tree = AnimationTreeEditor::get_singleton()->get_animation_tree();
if (!tree) {
return;
}
String error;
Ref<AnimationNodeStateMachinePlayback> playback = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + "playback");
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 (!AnimationTreeEditor::get_singleton()->get_animation_tree()->is_active()) {
} else if (!tree->is_active()) {
error = TTR("AnimationTree is inactive.\nActivate to enable playback, check node warnings if activation fails.");
} else if (AnimationTreeEditor::get_singleton()->get_animation_tree()->is_state_invalid()) {
error = AnimationTreeEditor::get_singleton()->get_animation_tree()->get_invalid_state_reason();
} else if (tree->is_state_invalid()) {
error = 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.");
@ -1649,7 +1672,7 @@ void AnimationNodeStateMachineEditor::_notification(int p_what) {
break;
}
bool acstate = transition_lines[i].advance_condition_name != StringName() && bool(AnimationTreeEditor::get_singleton()->get_animation_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + String(transition_lines[i].advance_condition_name)));
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();
@ -1704,7 +1727,7 @@ void AnimationNodeStateMachineEditor::_notification(int p_what) {
Ref<AnimationNodeStateMachinePlayback> current_node_playback;
while (anodesm.is_valid()) {
current_node_playback = AnimationTreeEditor::get_singleton()->get_animation_tree()->get(AnimationTreeEditor::get_singleton()->get_base_path() + next + "/playback");
current_node_playback = 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());
}

View File

@ -77,6 +77,7 @@ void AnimationTreeEditor::edit(AnimationTree *p_tree) {
void AnimationTreeEditor::_node_removed(Node *p_node) {
if (p_node == tree) {
tree = nullptr;
_clear_editors();
}
}
@ -151,7 +152,6 @@ void AnimationTreeEditor::edit_path(const Vector<String> &p_path) {
} else {
current_root = ObjectID();
edited_path = button_path;
for (int i = 0; i < editors.size(); i++) {
editors[i]->edit(Ref<AnimationNode>());
editors[i]->hide();
@ -161,6 +161,17 @@ void AnimationTreeEditor::edit_path(const Vector<String> &p_path) {
_update_path();
}
void AnimationTreeEditor::_clear_editors() {
button_path.clear();
current_root = ObjectID();
edited_path = button_path;
for (int i = 0; i < editors.size(); i++) {
editors[i]->edit(Ref<AnimationNode>());
editors[i]->hide();
}
_update_path();
}
Vector<String> AnimationTreeEditor::get_edited_path() const {
return button_path;
}

View File

@ -60,6 +60,7 @@ class AnimationTreeEditor : public VBoxContainer {
Vector<AnimationTreeNodeEditorPlugin *> editors;
void _update_path();
void _clear_editors();
ObjectID current_root;
void _path_button_pressed(int p_path);

View File

@ -1759,7 +1759,7 @@ void AnimationTree::_setup_animation_player() {
AnimationPlayer *new_player = nullptr;
if (!animation_player.is_empty()) {
new_player = Object::cast_to<AnimationPlayer>(get_node(animation_player));
new_player = Object::cast_to<AnimationPlayer>(get_node_or_null(animation_player));
if (new_player && !new_player->is_connected("animation_list_changed", callable_mp(this, &AnimationTree::_animation_player_changed))) {
new_player->connect("animation_list_changed", callable_mp(this, &AnimationTree::_animation_player_changed));
}