#110: update snake controller

NERODevelopment/CMakeLists.txt

@@ -72,7 +72,9 @@ set(PROJECT_SOURCES
 
 find_package(Qt6 REQUIRED COMPONENTS Core Gui Qml Quick Network Mqtt Protobuf Widgets)
 
-qt_add_executable(NEROApp ${PROJECT_SOURCES})
+qt_add_executable(NEROApp ${PROJECT_SOURCES}
+    src/controllers/snakecontroller.h
+    src/controllers/snakecontroller.cpp)
 
 qt_add_resources(NEROApp "configuration"
     PREFIX "/"

NERODevelopment/src/controllers/snakecontroller.cpp

@@ -0,0 +1,46 @@
+#include "snakecontroller.h"
+
+SnakeController::SnakeController(Model *model, QObject *parent)
+    : ButtonController{model, 6, parent} {
+  // this->m_debounceOffset = 150;
+}
+
+void SnakeController::handleKeyPress(int key) {
+  int newDirection = m_currentDirection;
+
+  switch (key) {
+  case Qt::Key_Up:
+    newDirection = 0;
+    break;
+
+  case Qt::Key_Right:
+    newDirection = 1;
+    break;
+
+  case Qt::Key_Down:
+    newDirection = 2;
+    break;
+
+  case Qt::Key_Left:
+    newDirection = 3;
+    break;
+
+  default:
+    return;
+  }
+
+  if (!isOppositeDirection(newDirection)) {
+    m_currentDirection = newDirection;
+    emit directionChanged(m_currentDirection);
+  }
+}
+
+bool SnakeController::isOppositeDirection(int newDirection) {
+  return (m_currentDirection + 2) % 4 == newDirection;
+}
+
+void SnakeController::saveScore(int score) {
+  QString topic = "NERO/SNAKE/SCORE";
+  QString message = QString::number(score);
+  m_model->sendMessage(topic, message);
+}

NERODevelopment/src/controllers/snakecontroller.h

@@ -0,0 +1,25 @@
+#ifndef SNAKECONTROLLER_H
+#define SNAKECONTROLLER_H
+
+#include "buttoncontroller.h"
+#include <QObject>
+
+class SnakeController : public ButtonController {
+  Q_OBJECT
+
+public:
+  explicit SnakeController(Model *model, QObject *parent = nullptr);
+
+public slots:
+  void handleKeyPress(int key);
+  void saveScore(int);
+
+signals:
+  void directionChanged(int newDirection);
+
+private:
+  int m_currentDirection;
+  bool isOppositeDirection(int newDirection);
+};
+
+#endif // SNAKECONTROLLER_H