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Merge pull request #94304 from TokageItLab/fix-end-of-statemachine 

Fix StateMachine process when transition to end & optimize StringName
This commit is contained in:
Rémi Verschelde 2024-07-23 13:07:59 +02:00
parent 4e5ed0bbfb 7cdeac94d1
commit add558f3bc
No known key found for this signature in database
GPG Key ID: C3336907360768E1
3 changed files with 44 additions and 47 deletions
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12
editor/plugins/animation_state_machine_editor.cpp
View File

@ -618,7 +618,7 @@ bool AnimationNodeStateMachineEditor::_create_submenu(PopupMenu *p_menu, Ref<Ani
if (ansm == state_machine) {
end_menu->add_item(E, nodes_to_connect.size());
nodes_to_connect.push_back(state_machine->end_node);
nodes_to_connect.push_back(AnimationNodeStateMachine::END_NODE);
continue;
}
@ -1111,10 +1111,10 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
Ref<StyleBox> node_frame_style = is_selected ? theme_cache.node_frame_selected : theme_cache.node_frame;
state_machine_draw->draw_style_box(node_frame_style, nr.node);
if (!is_selected && state_machine->start_node == name) {
if (!is_selected && AnimationNodeStateMachine::START_NODE == name) {
state_machine_draw->draw_style_box(theme_cache.node_frame_start, nr.node);
}
if (!is_selected && state_machine->end_node == name) {
if (!is_selected && AnimationNodeStateMachine::END_NODE == name) {
state_machine_draw->draw_style_box(theme_cache.node_frame_end, nr.node);
}
if (playing && (blend_from == name || current == name || travel_path.has(name))) {
@ -1188,7 +1188,7 @@ void AnimationNodeStateMachineEditor::_state_machine_pos_draw_individual(const S
return;
}
if (p_name == state_machine->start_node || p_name == state_machine->end_node || p_name.is_empty()) {
if (p_name == AnimationNodeStateMachine::START_NODE || p_name == AnimationNodeStateMachine::END_NODE || p_name.is_empty()) {
return;
}
@ -1523,7 +1523,7 @@ void AnimationNodeStateMachineEditor::_erase_selected(const bool p_nested_action
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) {
if (node_rects[i].node_name == AnimationNodeStateMachine::START_NODE || node_rects[i].node_name == AnimationNodeStateMachine::END_NODE) {
continue;
}
@ -1583,7 +1583,7 @@ 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);
bool start_end_selected = selected_nodes.size() == 1 && (*selected_nodes.begin() == AnimationNodeStateMachine::START_NODE || *selected_nodes.begin() == AnimationNodeStateMachine::END_NODE);
tool_erase->set_disabled(nothing_selected || start_end_selected || read_only);
} else {
selection_tools_hb->hide();

73
scene/animation/animation_node_state_machine.cpp
View File

@ -31,6 +31,9 @@
#include "animation_node_state_machine.h"
#include "scene/main/window.h"
StringName AnimationNodeStateMachine::START_NODE;
StringName AnimationNodeStateMachine::END_NODE;
/////////////////////////////////////////////////
void AnimationNodeStateMachineTransition::set_switch_mode(SwitchMode p_mode) {
@ -226,9 +229,9 @@ void AnimationNodeStateMachinePlayback::_set_current(AnimationNodeStateMachine *
// Validation.
if (anodesm->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_GROUPED) {
indices = anodesm->find_transition_from(anodesm->start_node);
indices = anodesm->find_transition_from(AnimationNodeStateMachine::START_NODE);
int anodesm_start_size = indices.size();
indices = anodesm->find_transition_to(anodesm->end_node);
indices = anodesm->find_transition_to(AnimationNodeStateMachine::END_NODE);
int anodesm_end_size = indices.size();
if (group_start_size > 1) {
WARN_PRINT_ED("There are two or more transitions to the Grouped AnimationNodeStateMachine in AnimationNodeStateMachine: " + base_path + ", which may result in unintended transitions.");
@ -304,7 +307,7 @@ bool AnimationNodeStateMachinePlayback::is_playing() const {
}
bool AnimationNodeStateMachinePlayback::is_end() const {
return current == "End" && fading_from == StringName();
return current == AnimationNodeStateMachine::END_NODE && fading_from == StringName();
}
StringName AnimationNodeStateMachinePlayback::get_current_node() const {
@ -444,7 +447,7 @@ bool AnimationNodeStateMachinePlayback::_travel_children(AnimationTree *p_tree,
if (p_test_only) {
child_playback = child_playback->duplicate();
}
child_playback->_travel_main("End");
child_playback->_travel_main(AnimationNodeStateMachine::END_NODE);
child_found_route &= child_playback->_travel(p_tree, child_anodesm.ptr(), false, p_test_only);
child_path += "/" + child_playback->get_current_node();
}
@ -487,7 +490,7 @@ bool AnimationNodeStateMachinePlayback::_travel_children(AnimationTree *p_tree,
void AnimationNodeStateMachinePlayback::_start(AnimationNodeStateMachine *p_state_machine) {
playing = true;
_set_current(p_state_machine, start_request != StringName() ? start_request : p_state_machine->start_node);
_set_current(p_state_machine, start_request != StringName() ? start_request : AnimationNodeStateMachine::START_NODE);
teleport_request = true;
stop_request = false;
start_request = StringName();
@ -504,7 +507,7 @@ String AnimationNodeStateMachinePlayback::_validate_path(AnimationNodeStateMachi
String target = p_path;
Ref<AnimationNodeStateMachine> anodesm = p_state_machine->find_node_by_path(target);
while (anodesm.is_valid() && anodesm->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_GROUPED) {
Vector<int> indices = anodesm->find_transition_from(anodesm->start_node);
Vector<int> indices = anodesm->find_transition_from(AnimationNodeStateMachine::START_NODE);
if (indices.size()) {
target = target + "/" + anodesm->get_transition_to(indices[0]); // Find next state of Start.
} else {
@ -657,7 +660,7 @@ bool AnimationNodeStateMachinePlayback::_make_travel_path(AnimationTree *p_tree,
if (i >= new_path.size()) {
break; // Tracing has been finished, needs to break.
}
playback->_travel_main("End");
playback->_travel_main(AnimationNodeStateMachine::END_NODE);
if (!playback->_travel(p_tree, anodesm.ptr(), false, p_test_only)) {
found_route = false;
break;
@ -815,8 +818,8 @@ AnimationNode::NodeTimeInfo AnimationNodeStateMachinePlayback::_process(const St
bool is_start_of_group = false;
bool is_end_of_group = false;
if (!p_state_machine->are_ends_reset() || p_state_machine->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_GROUPED) {
is_start_of_group = fading_from == p_state_machine->start_node;
is_end_of_group = current == p_state_machine->end_node;
is_start_of_group = fading_from == AnimationNodeStateMachine::START_NODE;
is_end_of_group = current == AnimationNodeStateMachine::END_NODE;
}
// Calc blend amount by cross-fade.
@ -878,24 +881,15 @@ AnimationNode::NodeTimeInfo AnimationNodeStateMachinePlayback::_process(const St
}
// Find next and see when to transition.
_transition_to_next_recursive(tree, p_state_machine, p_test_only);
bool will_end = _transition_to_next_recursive(tree, p_state_machine, p_test_only) || current == AnimationNodeStateMachine::END_NODE;
// Predict remaining time.
if (p_state_machine->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_NESTED) {
if (will_end || ((p_state_machine->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_NESTED) && !p_state_machine->has_transition_from(current))) {
// There is no next transition.
if (!p_state_machine->has_transition_from(current)) {
if (fading_from != StringName()) {
return current_nti.get_remain() > fadeing_from_nti.get_remain() ? current_nti : fadeing_from_nti;
}
return current_nti;
if (fading_from != StringName()) {
return current_nti.get_remain() > fadeing_from_nti.get_remain() ? current_nti : fadeing_from_nti;
}
}
if (current == p_state_machine->end_node) {
if (fading_from != StringName() && fadeing_from_nti.get_remain() > 0) {
return fadeing_from_nti;
}
return AnimationNode::NodeTimeInfo();
return current_nti;
}
if (!is_end()) {
@ -908,8 +902,6 @@ AnimationNode::NodeTimeInfo AnimationNodeStateMachinePlayback::_process(const St
bool AnimationNodeStateMachinePlayback::_transition_to_next_recursive(AnimationTree *p_tree, AnimationNodeStateMachine *p_state_machine, bool p_test_only) {
_reset_request_for_fading_from = false;
bool is_state_changed = false;
AnimationMixer::PlaybackInfo pi;
NextInfo next;
Vector<StringName> transition_path;
@ -927,7 +919,6 @@ bool AnimationNodeStateMachinePlayback::_transition_to_next_recursive(AnimationT
}
transition_path.push_back(next.node);
is_state_changed = true;
// Setting for fading.
if (next.xfade) {
@ -959,6 +950,10 @@ bool AnimationNodeStateMachinePlayback::_transition_to_next_recursive(AnimationT
_set_current(p_state_machine, next.node);
current_curve = next.curve;
if (current == AnimationNodeStateMachine::END_NODE) {
break;
}
_reset_request_for_fading_from = reset_request; // To avoid processing doubly, it must be reset in the fading process within _process().
reset_request = next.is_reset;
@ -985,7 +980,7 @@ bool AnimationNodeStateMachinePlayback::_transition_to_next_recursive(AnimationT
}
}
return is_state_changed;
return next.node == AnimationNodeStateMachine::END_NODE;
}
bool AnimationNodeStateMachinePlayback::_can_transition_to_next(AnimationTree *p_tree, AnimationNodeStateMachine *p_state_machine, NextInfo p_next, bool p_test_only) {
@ -1019,7 +1014,7 @@ bool AnimationNodeStateMachinePlayback::_can_transition_to_next(AnimationTree *p
return false;
}
if (current != p_state_machine->start_node && p_next.switch_mode == AnimationNodeStateMachineTransition::SWITCH_MODE_AT_END) {
if (current != AnimationNodeStateMachine::START_NODE && p_next.switch_mode == AnimationNodeStateMachineTransition::SWITCH_MODE_AT_END) {
return current_nti.get_remain(p_next.break_loop_at_end) <= p_next.xfade;
}
return true;
@ -1029,13 +1024,13 @@ Ref<AnimationNodeStateMachineTransition> AnimationNodeStateMachinePlayback::_che
Ref<AnimationNodeStateMachineTransition> temp_transition;
Ref<AnimationNodeStateMachinePlayback> parent_playback;
if (r_state_machine->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_GROUPED) {
if (p_transition.from == "Start") {
if (p_transition.from == AnimationNodeStateMachine::START_NODE) {
parent_playback = _get_parent_playback(p_tree);
if (parent_playback.is_valid()) {
r_bypass = true;
temp_transition = parent_playback->_get_group_start_transition();
}
} else if (p_transition.to == "End") {
} else if (p_transition.to == AnimationNodeStateMachine::END_NODE) {
parent_playback = _get_parent_playback(p_tree);
if (parent_playback.is_valid()) {
temp_transition = parent_playback->_get_group_end_transition();
@ -1522,7 +1517,7 @@ void AnimationNodeStateMachine::add_transition(const StringName &p_from, const S
return;
}
ERR_FAIL_COND(p_from == end_node || p_to == start_node);
ERR_FAIL_COND(p_from == END_NODE || p_to == START_NODE);
ERR_FAIL_COND(p_from == p_to);
ERR_FAIL_COND(!_can_connect(p_from));
ERR_FAIL_COND(!_can_connect(p_to));
@ -1564,7 +1559,7 @@ StringName AnimationNodeStateMachine::get_transition_to(int p_transition) const
bool AnimationNodeStateMachine::is_transition_across_group(int p_transition) const {
ERR_FAIL_INDEX_V(p_transition, transitions.size(), false);
if (get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_GROUPED) {
if (transitions[p_transition].from == "Start" || transitions[p_transition].to == "End") {
if (transitions[p_transition].from == START_NODE || transitions[p_transition].to == END_NODE) {
return true;
}
}
@ -1622,6 +1617,7 @@ AnimationNode::NodeTimeInfo AnimationNodeStateMachine::_process(const AnimationM
if (p_test_only) {
playback_new = playback_new->duplicate(); // Don't process original when testing.
}
return playback_new->process(node_state.base_path, this, p_playback_info, p_test_only);
}
@ -1741,8 +1737,6 @@ void AnimationNodeStateMachine::reset_state() {
states.clear();
transitions.clear();
playback = "playback";
start_node = "Start";
end_node = "End";
graph_offset = Vector2();
Ref<AnimationNodeStartState> s;
@ -1750,14 +1744,14 @@ void AnimationNodeStateMachine::reset_state() {
State start;
start.node = s;
start.position = Vector2(200, 100);
states[start_node] = start;
states[START_NODE] = start;
Ref<AnimationNodeEndState> e;
e.instantiate();
State end;
end.node = e;
end.position = Vector2(900, 100);
states[end_node] = end;
states[END_NODE] = end;
emit_changed();
emit_signal(SNAME("tree_changed"));
@ -1847,17 +1841,20 @@ void AnimationNodeStateMachine::_bind_methods() {
}
AnimationNodeStateMachine::AnimationNodeStateMachine() {
START_NODE = "Start";
END_NODE = "End";
Ref<AnimationNodeStartState> s;
s.instantiate();
State start;
start.node = s;
start.position = Vector2(200, 100);
states[start_node] = start;
states[START_NODE] = start;
Ref<AnimationNodeEndState> e;
e.instantiate();
State end;
end.node = e;
end.position = Vector2(900, 100);
states[end_node] = end;
states[END_NODE] = end;
}

6
scene/animation/animation_node_state_machine.h
View File

@ -110,6 +110,9 @@ class AnimationNodeStateMachine : public AnimationRootNode {
GDCLASS(AnimationNodeStateMachine, AnimationRootNode);
public:
static StringName START_NODE;
static StringName END_NODE;
enum StateMachineType {
STATE_MACHINE_TYPE_ROOT,
STATE_MACHINE_TYPE_NESTED,
@ -164,9 +167,6 @@ protected:
virtual void reset_state() override;
public:
StringName start_node = "Start";
StringName end_node = "End";
virtual void get_parameter_list(List<PropertyInfo> *r_list) const override;
virtual Variant get_parameter_default_value(const StringName &p_parameter) const override;
virtual bool is_parameter_read_only(const StringName &p_parameter) const override;