starting playing the wherigo

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

main/include/lua/game_engine.h

@@ -0,0 +1,73 @@
+#ifndef GAME_ENGINE_H
+#define GAME_ENGINE_H
+
+#include <wx/wx.h>
+#include <wx/timer.h>
+#include <wx/event.h>
+#include <vector>
+#include <memory>
+#include <functional>
+
+extern "C" {
+struct lua_State;
+}
+
+namespace wherigo {
+
+// Custom event for game state changes
+class GameStateEvent : public wxEvent {
+public:
+  GameStateEvent(wxEventType eventType = wxEVT_NULL, int id = 0)
+      : wxEvent(id, eventType) {}
+
+  wxEvent* Clone() const override { return new GameStateEvent(*this); }
+};
+
+wxDECLARE_EVENT(EVT_GAME_STATE_CHANGED, GameStateEvent);
+
+class GameEngine : public wxEvtHandler {
+public:
+  static GameEngine& getInstance();
+
+  void init(lua_State *L, int cartridgeRef);
+  void shutdown();
+
+  void start();
+  void stop();
+
+  void updatePlayerPosition(double lat, double lng, double alt = 0.0);
+
+  // Notify listeners that game state has changed
+  void notifyStateChanged();
+
+  lua_State* getLuaState() const { return m_luaState; }
+  int getCartridgeRef() const { return m_cartridgeRef; }
+
+private:
+  GameEngine();
+  ~GameEngine();
+
+  GameEngine(const GameEngine&) = delete;
+  GameEngine& operator=(const GameEngine&) = delete;
+
+  void onGameTick(wxTimerEvent& event);
+  void checkTimers();
+  void checkZones();
+
+  lua_State* m_luaState = nullptr;
+  int m_cartridgeRef = -1;
+
+  wxTimer m_gameTimer;
+  bool m_running = false;
+
+  double m_playerLat = 0.0;
+  double m_playerLng = 0.0;
+  double m_playerAlt = 0.0;
+
+  wxDECLARE_EVENT_TABLE();
+};
+
+} // namespace wherigo
+
+#endif // GAME_ENGINE_H
+