demo memory leak fix

demo/src/states/game/game_state.cpp

@@ -0,0 +1,50 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/game_state.hpp"
+#include "file/file_utils.hpp"
+#include "thread/threading.hpp"
+#include "debug/debug.hpp"
+
+using Tyra::FileUtils;
+using Tyra::Threading;
+
+namespace Demo {
+
+GameState::GameState(Engine* t_engine) : State(t_engine) {
+  state = STATE_GAME;
+  _wantFinish = false;
+  initialized = false;
+}
+
+GameState::~GameState() {}
+
+void GameState::onStart() {
+  TYRA_LOG("Game. RAM: ", engine->info.getAvailableRAM(), "MB");
+
+  engine->audio.stopSong();
+  initialized = true;
+}
+
+GlobalStateType GameState::onFinish() {
+  if (!initialized) return STATE_EXIT;
+
+  initialized = false;
+
+  return STATE_EXIT;
+}
+
+void GameState::update() {
+  engine->renderer.beginFrame();
+  Threading::switchThread();
+  engine->renderer.endFrame();
+}
+
+}  // namespace Demo