godot-cpp-utils/player_input.cpp

65 lines
2.1 KiB
C++

#include "player_input.hpp"
#include "godot_macros.h"
#include "godot_cpp/classes/input.hpp"
#include "godot_cpp/classes/input_event.hpp"
#include <algorithm>
namespace godot {
void PlayerInput::_bind_methods() {}
PlayerInput::Listener::Listener(String positive, String negative, Node *object, String method)
: actionNegative{negative}
, actionPositive{positive}
, methodName{method}
, object{object} {}
bool PlayerInput::Listener::has_changed(Ref<InputEvent> const &event) {
return event->is_action(this->actionNegative) || event->is_action(this->actionPositive);
}
float PlayerInput::Listener::evaluate(Ref<InputEvent> const &event) {
Input *input = Input::get_singleton();
float newest = static_cast<float>(input->is_action_pressed(this->actionPositive))
- static_cast<float>(input->is_action_pressed(this->actionNegative));
if(lastCached != newest)
this->object->call(this->methodName, event, newest);
return (lastCached = newest);
}
bool PlayerInput::Listener::operator==(godot::PlayerInput::Listener const& b) {
return this->methodName == b.methodName
&& this->object == b.object
&& this->actionNegative == b.actionNegative
&& this->actionPositive == b.actionPositive;
}
void PlayerInput::_unhandled_input(Ref<InputEvent> const &event) {
GDGAMEONLY();
for(Listener& listener: this->listeners) {
if(listener.has_changed(event)) {
listener.evaluate(event);
}
}
}
void PlayerInput::listen_to(Listener const& listener) {
this->listeners.push_back(listener);
}
void PlayerInput::stop_listening(Node *node) {
for(size_t i = 0; i < this->listeners.size(); ++i) {
Listener& l = this->listeners.at(i);
if(l.object == node) {
this->listeners.erase(this->listeners.begin() + i);
i--;
}
}
}
void PlayerInput::stop_listening(Listener const& listener) {
std::vector<Listener>::iterator itr = std::find(this->listeners.begin(), this->listeners.end(), listener);
if(itr != this->listeners.end())
this->listeners.erase(itr);
}
}