convex-hull-visualizer/input/Keys.cpp

#include <GLFW/glfw3.h>

#include "input/Keys.h"

Keys::Key::Key() : glfwKey(-1), down(false), downTime(0) {
}

uint Keys::searchKey(int glfwKey) const {
    for(uint i = 1; i < keys.size(); i++) {
        if(keys[i].glfwKey == glfwKey) {
            return i;
        }
    }
    return 0;
}

uint Keys::getIndex(uint key) const {
    return key * (key < keys.size());
}

int Keys::add(int glfwKey) {
    int index = searchKey(-1);
    keys[index].glfwKey = glfwKey;
    return index;
}

bool Keys::isDown(uint key) const {
    return keys[getIndex(key)].down;
}

uint Keys::getDownTime(uint key) const {
    return keys[getIndex(key)].downTime;
}

void Keys::release(int glfwKey) {
    uint index = searchKey(glfwKey);
    keys[index].down = false;
    keys[index].downTime = 0;
}

void Keys::press(int glfwKey) {
    uint index = searchKey(glfwKey);
    keys[index].down = true;
}

void Keys::tick() {
    for(uint i = 1; i < keys.size(); i++) {
        keys[i].downTime += keys[i].down;
    }
}