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Merge pull request godotengine#44355 from EricEzaM/PR/fix-action-fals…
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…e-positives-and-allow-checking-exact-matches

Allow checking for exact matches with Action events.
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@akien-mga
akien-mga authored Feb 15, 2021
2 parents 9335f4d + b2f032e commit 52964fd
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Showing 6 changed files with 70 additions and 50 deletions.
43 changes: 30 additions & 13 deletions core/input/input.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -97,11 +97,11 @@ void Input::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_key_pressed", "keycode"), &Input::is_key_pressed);
ClassDB::bind_method(D_METHOD("is_mouse_button_pressed", "button"), &Input::is_mouse_button_pressed);
ClassDB::bind_method(D_METHOD("is_joy_button_pressed", "device", "button"), &Input::is_joy_button_pressed);
ClassDB::bind_method(D_METHOD("is_action_pressed", "action"), &Input::is_action_pressed);
ClassDB::bind_method(D_METHOD("is_action_just_pressed", "action"), &Input::is_action_just_pressed);
ClassDB::bind_method(D_METHOD("is_action_just_released", "action"), &Input::is_action_just_released);
ClassDB::bind_method(D_METHOD("get_action_strength", "action"), &Input::get_action_strength);
ClassDB::bind_method(D_METHOD("get_action_raw_strength", "action"), &Input::get_action_strength);
ClassDB::bind_method(D_METHOD("is_action_pressed", "action", "exact"), &Input::is_action_pressed, DEFVAL(false));
ClassDB::bind_method(D_METHOD("is_action_just_pressed", "action", "exact"), &Input::is_action_just_pressed, DEFVAL(false));
ClassDB::bind_method(D_METHOD("is_action_just_released", "action", "exact"), &Input::is_action_just_released, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_action_strength", "action", "exact"), &Input::get_action_strength, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_action_raw_strength", "action", "exact"), &Input::get_action_strength, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_axis", "negative_action", "positive_action"), &Input::get_axis);
ClassDB::bind_method(D_METHOD("get_vector", "negative_x", "positive_x", "negative_y", "positive_y", "deadzone"), &Input::get_vector, DEFVAL(-1.0f));
ClassDB::bind_method(D_METHOD("add_joy_mapping", "mapping", "update_existing"), &Input::add_joy_mapping, DEFVAL(false));
Expand Down Expand Up @@ -240,51 +240,67 @@ bool Input::is_joy_button_pressed(int p_device, int p_button) const {
return joy_buttons_pressed.has(_combine_device(p_button, p_device));
}

bool Input::is_action_pressed(const StringName &p_action) const {
return action_state.has(p_action) && action_state[p_action].pressed;
bool Input::is_action_pressed(const StringName &p_action, bool p_exact) const {
return action_state.has(p_action) && action_state[p_action].pressed && (p_exact ? action_state[p_action].exact : true);
}

bool Input::is_action_just_pressed(const StringName &p_action) const {
bool Input::is_action_just_pressed(const StringName &p_action, bool p_exact) const {
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return false;
}

if (p_exact && E->get().exact == false) {
return false;
}

if (Engine::get_singleton()->is_in_physics_frame()) {
return E->get().pressed && E->get().physics_frame == Engine::get_singleton()->get_physics_frames();
} else {
return E->get().pressed && E->get().process_frame == Engine::get_singleton()->get_process_frames();
}
}

bool Input::is_action_just_released(const StringName &p_action) const {
bool Input::is_action_just_released(const StringName &p_action, bool p_exact) const {
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return false;
}

if (p_exact && E->get().exact == false) {
return false;
}

if (Engine::get_singleton()->is_in_physics_frame()) {
return !E->get().pressed && E->get().physics_frame == Engine::get_singleton()->get_physics_frames();
} else {
return !E->get().pressed && E->get().process_frame == Engine::get_singleton()->get_process_frames();
}
}

float Input::get_action_strength(const StringName &p_action) const {
float Input::get_action_strength(const StringName &p_action, bool p_exact) const {
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return 0.0f;
}

if (p_exact && E->get().exact == false) {
return 0.0f;
}

return E->get().strength;
}

float Input::get_action_raw_strength(const StringName &p_action) const {
float Input::get_action_raw_strength(const StringName &p_action, bool p_exact) const {
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
return 0.0f;
}

if (p_exact && E->get().exact == false) {
return 0.0f;
}

return E->get().raw_strength;
}

Expand Down Expand Up @@ -590,14 +606,15 @@ void Input::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_em

for (const Map<StringName, InputMap::Action>::Element *E = InputMap::get_singleton()->get_action_map().front(); E; E = E->next()) {
if (InputMap::get_singleton()->event_is_action(p_event, E->key())) {
// Save the action's state
if (!p_event->is_echo() && is_action_pressed(E->key()) != p_event->is_action_pressed(E->key())) {
// If not echo and action pressed state has changed
if (!p_event->is_echo() && is_action_pressed(E->key(), false) != p_event->is_action_pressed(E->key())) {
Action action;
action.physics_frame = Engine::get_singleton()->get_physics_frames();
action.process_frame = Engine::get_singleton()->get_process_frames();
action.pressed = p_event->is_action_pressed(E->key());
action.strength = 0.0f;
action.raw_strength = 0.0f;
action.exact = InputMap::get_singleton()->event_is_action(p_event, E->key(), true);
action_state[E->key()] = action;
}
action_state[E->key()].strength = p_event->get_action_strength(E->key());
Expand Down
11 changes: 6 additions & 5 deletions core/input/input.h
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ class Input : public Object {
uint64_t physics_frame;
uint64_t process_frame;
bool pressed;
bool exact;
float strength;
float raw_strength;
};
Expand Down Expand Up @@ -261,11 +262,11 @@ class Input : public Object {
bool is_key_pressed(int p_keycode) const;
bool is_mouse_button_pressed(int p_button) const;
bool is_joy_button_pressed(int p_device, int p_button) const;
bool is_action_pressed(const StringName &p_action) const;
bool is_action_just_pressed(const StringName &p_action) const;
bool is_action_just_released(const StringName &p_action) const;
float get_action_strength(const StringName &p_action) const;
float get_action_raw_strength(const StringName &p_action) const;
bool is_action_pressed(const StringName &p_action, bool p_exact = false) const;
bool is_action_just_pressed(const StringName &p_action, bool p_exact = false) const;
bool is_action_just_released(const StringName &p_action, bool p_exact = false) const;
float get_action_strength(const StringName &p_action, bool p_exact = false) const;
float get_action_raw_strength(const StringName &p_action, bool p_exact = false) const;

float get_axis(const StringName &p_negative_action, const StringName &p_positive_action) const;
Vector2 get_vector(const StringName &p_negative_x, const StringName &p_positive_x, const StringName &p_negative_y, const StringName &p_positive_y, float p_deadzone = -1.0f) const;
Expand Down
28 changes: 14 additions & 14 deletions core/input/input_event.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -44,31 +44,31 @@ int InputEvent::get_device() const {
return device;
}

bool InputEvent::is_action(const StringName &p_action) const {
return InputMap::get_singleton()->event_is_action(Ref<InputEvent>((InputEvent *)this), p_action);
bool InputEvent::is_action(const StringName &p_action, bool p_exact_match) const {
return InputMap::get_singleton()->event_is_action(Ref<InputEvent>((InputEvent *)this), p_action, p_exact_match);
}

bool InputEvent::is_action_pressed(const StringName &p_action, bool p_allow_echo) const {
bool InputEvent::is_action_pressed(const StringName &p_action, bool p_allow_echo, bool p_exact_match) const {
bool pressed;
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, &pressed);
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, p_exact_match, &pressed, nullptr, nullptr);
return valid && pressed && (p_allow_echo || !is_echo());
}

bool InputEvent::is_action_released(const StringName &p_action) const {
bool InputEvent::is_action_released(const StringName &p_action, bool p_exact_match) const {
bool pressed;
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, &pressed);
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, p_exact_match, &pressed, nullptr, nullptr);
return valid && !pressed;
}

float InputEvent::get_action_strength(const StringName &p_action) const {
float InputEvent::get_action_strength(const StringName &p_action, bool p_exact_match) const {
float strength;
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, nullptr, &strength);
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, p_exact_match, nullptr, &strength, nullptr);
return valid ? strength : 0.0f;
}

float InputEvent::get_action_raw_strength(const StringName &p_action) const {
float InputEvent::get_action_raw_strength(const StringName &p_action, bool p_exact_match) const {
float raw_strength;
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, nullptr, nullptr, &raw_strength);
bool valid = InputMap::get_singleton()->event_get_action_status(Ref<InputEvent>((InputEvent *)this), p_action, p_exact_match, nullptr, nullptr, &raw_strength);
return valid ? raw_strength : 0.0f;
}

Expand Down Expand Up @@ -100,10 +100,10 @@ void InputEvent::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_device", "device"), &InputEvent::set_device);
ClassDB::bind_method(D_METHOD("get_device"), &InputEvent::get_device);

ClassDB::bind_method(D_METHOD("is_action", "action"), &InputEvent::is_action);
ClassDB::bind_method(D_METHOD("is_action_pressed", "action", "allow_echo"), &InputEvent::is_action_pressed, DEFVAL(false));
ClassDB::bind_method(D_METHOD("is_action_released", "action"), &InputEvent::is_action_released);
ClassDB::bind_method(D_METHOD("get_action_strength", "action"), &InputEvent::get_action_strength);
ClassDB::bind_method(D_METHOD("is_action", "action", "exact_match"), &InputEvent::is_action, DEFVAL(false));
ClassDB::bind_method(D_METHOD("is_action_pressed", "action", "allow_echo", "exact_match"), &InputEvent::is_action_pressed, DEFVAL(false), DEFVAL(false));
ClassDB::bind_method(D_METHOD("is_action_released", "action", "exact_match"), &InputEvent::is_action_released, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_action_strength", "action", "exact_match"), &InputEvent::get_action_strength, DEFVAL(false));

ClassDB::bind_method(D_METHOD("is_pressed"), &InputEvent::is_pressed);
ClassDB::bind_method(D_METHOD("is_echo"), &InputEvent::is_echo);
Expand Down
10 changes: 5 additions & 5 deletions core/input/input_event.h
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Original file line number Diff line number Diff line change
Expand Up @@ -128,11 +128,11 @@ class InputEvent : public Resource {
void set_device(int p_device);
int get_device() const;

bool is_action(const StringName &p_action) const;
bool is_action_pressed(const StringName &p_action, bool p_allow_echo = false) const;
bool is_action_released(const StringName &p_action) const;
float get_action_strength(const StringName &p_action) const;
float get_action_raw_strength(const StringName &p_action) const;
bool is_action(const StringName &p_action, bool p_exact_match = false) const;
bool is_action_pressed(const StringName &p_action, bool p_allow_echo = false, bool p_exact_match = false) const;
bool is_action_released(const StringName &p_action, bool p_exact_match = false) const;
float get_action_strength(const StringName &p_action, bool p_exact_match = false) const;
float get_action_raw_strength(const StringName &p_action, bool p_exact_match = false) const;

// To be removed someday, since they do not make sense for all events
virtual bool is_pressed() const;
Expand Down
22 changes: 12 additions & 10 deletions core/input/input_map.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ void InputMap::_bind_methods() {
ClassDB::bind_method(D_METHOD("action_erase_event", "action", "event"), &InputMap::action_erase_event);
ClassDB::bind_method(D_METHOD("action_erase_events", "action"), &InputMap::action_erase_events);
ClassDB::bind_method(D_METHOD("action_get_events", "action"), &InputMap::_action_get_events);
ClassDB::bind_method(D_METHOD("event_is_action", "event", "action"), &InputMap::event_is_action);
ClassDB::bind_method(D_METHOD("event_is_action", "event", "action", "exact_match"), &InputMap::event_is_action, DEFVAL(false));
ClassDB::bind_method(D_METHOD("load_from_project_settings"), &InputMap::load_from_project_settings);
}

Expand Down Expand Up @@ -95,7 +95,7 @@ List<StringName> InputMap::get_actions() const {
return actions;
}

List<Ref<InputEvent>>::Element *InputMap::_find_event(Action &p_action, const Ref<InputEvent> &p_event, bool *p_pressed, float *p_strength, float *p_raw_strength) const {
List<Ref<InputEvent>>::Element *InputMap::_find_event(Action &p_action, const Ref<InputEvent> &p_event, bool p_exact_match, bool *p_pressed, float *p_strength, float *p_raw_strength) const {
ERR_FAIL_COND_V(!p_event.is_valid(), nullptr);

for (List<Ref<InputEvent>>::Element *E = p_action.inputs.front(); E; E = E->next()) {
Expand All @@ -106,7 +106,9 @@ List<Ref<InputEvent>>::Element *InputMap::_find_event(Action &p_action, const Re

int device = e->get_device();
if (device == ALL_DEVICES || device == p_event->get_device()) {
if (e->action_match(p_event, p_pressed, p_strength, p_raw_strength, p_action.deadzone)) {
if (p_exact_match && e->shortcut_match(p_event)) {
return E;
} else if (!p_exact_match && e->action_match(p_event, p_pressed, p_strength, p_raw_strength, p_action.deadzone)) {
return E;
}
}
Expand Down Expand Up @@ -134,7 +136,7 @@ void InputMap::action_set_deadzone(const StringName &p_action, float p_deadzone)
void InputMap::action_add_event(const StringName &p_action, const Ref<InputEvent> &p_event) {
ERR_FAIL_COND_MSG(p_event.is_null(), "It's not a reference to a valid InputEvent object.");
ERR_FAIL_COND_MSG(!input_map.has(p_action), "Request for nonexistent InputMap action '" + String(p_action) + "'.");
if (_find_event(input_map[p_action], p_event)) {
if (_find_event(input_map[p_action], p_event, true)) {
return; // Already addded.
}

Expand All @@ -143,13 +145,13 @@ void InputMap::action_add_event(const StringName &p_action, const Ref<InputEvent

bool InputMap::action_has_event(const StringName &p_action, const Ref<InputEvent> &p_event) {
ERR_FAIL_COND_V_MSG(!input_map.has(p_action), false, "Request for nonexistent InputMap action '" + String(p_action) + "'.");
return (_find_event(input_map[p_action], p_event) != nullptr);
return (_find_event(input_map[p_action], p_event, true) != nullptr);
}

void InputMap::action_erase_event(const StringName &p_action, const Ref<InputEvent> &p_event) {
ERR_FAIL_COND_MSG(!input_map.has(p_action), "Request for nonexistent InputMap action '" + String(p_action) + "'.");

List<Ref<InputEvent>>::Element *E = _find_event(input_map[p_action], p_event);
List<Ref<InputEvent>>::Element *E = _find_event(input_map[p_action], p_event, true);
if (E) {
input_map[p_action].inputs.erase(E);
if (Input::get_singleton()->is_action_pressed(p_action)) {
Expand Down Expand Up @@ -185,11 +187,11 @@ const List<Ref<InputEvent>> *InputMap::action_get_events(const StringName &p_act
return &E->get().inputs;
}

bool InputMap::event_is_action(const Ref<InputEvent> &p_event, const StringName &p_action) const {
return event_get_action_status(p_event, p_action);
bool InputMap::event_is_action(const Ref<InputEvent> &p_event, const StringName &p_action, bool p_exact_match) const {
return event_get_action_status(p_event, p_action, p_exact_match);
}

bool InputMap::event_get_action_status(const Ref<InputEvent> &p_event, const StringName &p_action, bool *p_pressed, float *p_strength, float *p_raw_strength) const {
bool InputMap::event_get_action_status(const Ref<InputEvent> &p_event, const StringName &p_action, bool p_exact_match, bool *p_pressed, float *p_strength, float *p_raw_strength) const {
Map<StringName, Action>::Element *E = input_map.find(p_action);
ERR_FAIL_COND_V_MSG(!E, false, "Request for nonexistent InputMap action '" + String(p_action) + "'.");

Expand All @@ -207,7 +209,7 @@ bool InputMap::event_get_action_status(const Ref<InputEvent> &p_event, const Str
bool pressed;
float strength;
float raw_strength;
List<Ref<InputEvent>>::Element *event = _find_event(E->get(), p_event, &pressed, &strength, &raw_strength);
List<Ref<InputEvent>>::Element *event = _find_event(E->get(), p_event, p_exact_match, &pressed, &strength, &raw_strength);
if (event != nullptr) {
if (p_pressed != nullptr) {
*p_pressed = pressed;
Expand Down
6 changes: 3 additions & 3 deletions core/input/input_map.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ class InputMap : public Object {

mutable Map<StringName, Action> input_map;

List<Ref<InputEvent>>::Element *_find_event(Action &p_action, const Ref<InputEvent> &p_event, bool *p_pressed = nullptr, float *p_strength = nullptr, float *p_raw_strength = nullptr) const;
List<Ref<InputEvent>>::Element *_find_event(Action &p_action, const Ref<InputEvent> &p_event, bool p_exact_match = false, bool *p_pressed = nullptr, float *p_strength = nullptr, float *p_raw_strength = nullptr) const;

Array _action_get_events(const StringName &p_action);
Array _get_actions();
Expand All @@ -78,8 +78,8 @@ class InputMap : public Object {
void action_erase_events(const StringName &p_action);

const List<Ref<InputEvent>> *action_get_events(const StringName &p_action);
bool event_is_action(const Ref<InputEvent> &p_event, const StringName &p_action) const;
bool event_get_action_status(const Ref<InputEvent> &p_event, const StringName &p_action, bool *p_pressed = nullptr, float *p_strength = nullptr, float *p_raw_strength = nullptr) const;
bool event_is_action(const Ref<InputEvent> &p_event, const StringName &p_action, bool p_exact_match = false) const;
bool event_get_action_status(const Ref<InputEvent> &p_event, const StringName &p_action, bool p_exact_match = false, bool *p_pressed = nullptr, float *p_strength = nullptr, float *p_raw_strength = nullptr) const;

const Map<StringName, Action> &get_action_map() const;
void load_from_project_settings();
Expand Down

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