Keyboard.cpp

#include "Keyboard.h"
 
void Cogs::Keyboard::update() {
  // Reset current state
  state.chars = "";
 
  // Process events
  for (const Event& event : eventQueue) {
    switch (event.type)
    {
    case Event::Type::Press: {
      Key key = std::get<Key>(event.data);
      state.keysDown[static_cast<size_t>(key)] = true;
      break;
    }
    case Event::Type::Release: {
      Key key = std::get<Key>(event.data);
      state.keysDown[static_cast<size_t>(key)] = false;
      break;
    }
    case Event::Type::AddChar: {
      state.chars += std::get<std::string>(event.data);
      break;
    }
    case Event::Type::Reset: {
      state = {};
      break;
    }
    default:
      break;
    }
  }
 
  // Reset events
  events = std::move(eventQueue);
  eventQueue = {};
}
 
void Cogs::Keyboard::submitKeyDown(Key key, double timestamp) {
  eventQueue.push_back({Event::Type::Press, timestamp, {key}});
}
 
void Cogs::Keyboard::submitKeyUp(Key key, double timestamp) {
  eventQueue.push_back({Event::Type::Release, timestamp, {key}});
}
 
void Cogs::Keyboard::submitChar(std::string ch, double timestamp) {
  eventQueue.push_back({Event::Type::AddChar, timestamp, {std::move(ch)}});
}
 
void Cogs::Keyboard::submitReset(double timestamp) {
  eventQueue.push_back({Event::Type::Reset, timestamp, {}});
}
 
bool Cogs::Keyboard::wasKeyPressed(Key key) const {
  for (const Event& e : events)
    if (e.type == Event::Type::Press && std::get<Key>(e.data) == key)
      return true;
  return false;
}
bool Cogs::Keyboard::wasKeyReleased(Key key) const {
  for (const Event& e : events)
    if (e.type == Event::Type::Release && std::get<Key>(e.data) == key)
      return true;
  return false;
}