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Allow checking for exact matches with Action events.

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Added additional param to action related methods to test for exactness.
If "p_exact_match" is true, then the action will only be "matched" if the provided input event *exactly* matches with the action event.

Before:
* Action Event = KEY_S
* Input Event = KEY_CONTROL + KEY_S
* Is Action Pressed = True

Now:
You can still do the above, however you can optionally check that the input is exactly what the action event is:
* Action Event = KEY_S
* Input Event = KEY_CONTROL + KEY_S
* p_exact_match = True
* Is Action Pressed = False
* If the Input Event was only KEY_S, then the result would be true.

Usage:

```gdscript
Input.is_action_pressed(action_name: String, exact_match: bool)
Input.is_action_pressed("my_action", true)

InputMap.event_is_action(p_event, "my_action", true)

func _input(event: InputEvent):
  event.is_action_pressed("my_action", false, true) # false = "allow_echo", true = "exact_match"
  event.is_action("my_action", true)
```
This commit is contained in:
EricEzaM
2020-12-14 00:22:42 +10:00
committed by Eric M
parent 0762484473
commit b2f032e1a5
6 changed files with 70 additions and 50 deletions
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43
core/input/input.cpp
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@@ -91,11 +91,11 @@ 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));
@@ -234,16 +234,20 @@ 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 {
@@ -251,12 +255,16 @@ bool Input::is_action_just_pressed(const StringName &p_action) const {
}
}
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 {
@@ -264,21 +272,29 @@ bool Input::is_action_just_released(const StringName &p_action) const {
}
}
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;
}
@@ -584,14 +600,15 @@ 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.idle_frame = Engine::get_singleton()->get_idle_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());