chore: Add course material

397/SolutionEx22Bonus/Light.cpp

@@ -0,0 +1,40 @@
+
+
+#include "Light.h"
+#include "LightTimer.h"
+#include "Pelican.h"
+#include "Screen.h"
+#include <iostream>
+
+Light::Light(std::string name, int x, int y, int color) : x(x), y(y), c(color), name(name), flashOn(false) {
+    myTimer = new LightTimer(*this, &Light::flashLight);
+}
+
+Light::~Light() {
+    std::cout << "Deleting light (" << name << ", " << x << ", " << y << ", " << c << ")"
+              << "\n";
+}
+
+void Light::set(LightState newState) {
+    state = newState;
+
+    if (state == FLASH) {
+        flashOn = true;
+
+        flashLight();
+    } else
+        Screen::write(name.c_str(), x, y, state == OFF ? 0 : c); // No need to worry about flashing here
+}
+
+Light::LightState Light::get(void) { return state; }
+
+void Light::flashLight() {
+    if (state == FLASH) // If we haven't left the FLASH state
+    {
+        Screen::write(name.c_str(), x, y, flashOn ? c : 0); // Display
+
+        flashOn = !flashOn; // Toggle
+
+        myTimer->timeoutRequest(FLASH_PERIOD); // Have another go
+    }
+}