Initial commit

include/gamestate.h

@@ -0,0 +1,66 @@
+/*
+ * Rick van Vonderen
+ * 0945444
+ * TI2B
+ */
+
+#ifndef GAMESTATE_H
+#define GAMESTATE_H
+
+#include <chrono> // time
+#include <thread> // sleep_for
+
+#include "entity.h"
+#include "window.h"
+
+class GameState : public Entity {
+public:
+	static void sleep(int amount) {
+		// Sleep for amount ms
+		std::this_thread::sleep_for(std::chrono::milliseconds(amount));
+	}
+};
+
+class GameStateManager {
+public:
+	GameStateManager() : m_state(nullptr) {
+	}
+
+	~GameStateManager() {
+		if(m_state != nullptr) {
+			m_state->destroy();
+			delete m_state;
+		}
+	}
+
+	void setState(GameState* state) {
+		if(m_state != nullptr) {
+			m_state->destroy();
+			delete m_state;
+		}
+
+		m_state = state;
+		if(m_state != nullptr) {
+			m_state->initialize();
+		}
+	}
+
+	void update() {
+		if(m_state != nullptr) {
+			m_state->update();
+		}
+	}
+
+	void render() {
+		if(m_state != nullptr) {
+			m_state->render();
+		}
+	}
+
+private:
+	GameState *m_state;
+};
+
+extern GameStateManager *g_gameStateManager;
+
+#endif // GAMESTATE_H