Add sun / moon, started on score / GameManager

Game/GameManager.cpp

@@ -1,2 +1,50 @@
 #include "pch.h"
 #include "GameManager.h"
+
+GameManager* GameManager::m_pInstance = nullptr;
+
+GameManager& GameManager::GetInstance() {
+	if (m_pInstance == nullptr) {
+		m_pInstance = new GameManager();
+	}
+	return *m_pInstance;
+}
+void GameManager::SetMainScreen(MainScreen* pMainScreen) {
+	m_pMainScreen = pMainScreen;
+	//TODO: not the best but ¯\_(ツ)_/¯
+}
+void GameManager::SetFuel(int fuel) {
+	m_Fuel = fuel;
+}
+int GameManager::GetFuel() const {
+	return m_Fuel;
+}
+void GameManager::DecreaseFuel(int fuel) {
+	m_Fuel -= fuel;
+}
+void GameManager::AddFuel(int fuel) {
+	m_Fuel += fuel;
+}
+void GameManager::SetHullIntegrity(int hullIntegrity) {
+	m_HullIntegrity = hullIntegrity;
+}
+int GameManager::GetHullIntegrity() const {
+	return m_HullIntegrity;
+}
+void GameManager::DamageHull(int damage) {
+	m_HullIntegrity -= damage;
+}
+void GameManager::SetScore(int score) {
+	m_Score = score;
+}
+int GameManager::GetScore() const {
+	return m_Score;
+}
+void GameManager::IncreaseScore(int score) {
+	m_Score += score;
+}
+void GameManager::Update(float elapsedSecs) {
+	m_pMainScreen->SetFuelMeterValue(m_Fuel);
+	m_pMainScreen->SetHullMeterValue(m_HullIntegrity);
+	m_pMainScreen->SetScore(std::to_string(m_Score));
+}