private void DrawSearchSpawnersButton()
        {
            if (GUILayout.Button("Search spawners", GUILayout.MaxWidth(120), GUILayout.MinWidth(100)))
            {
                // if and gameobjects with component <Spawner> found
                hasSearchedForSpawners = SearchForSpawners();
                if (hasSearchedForSpawners)
                {
                    // there are spawners to initialize
                    searchButtonPressed = true;

                    // if all spawners properties have not been identifined
                    if (!SpawnerFields.SetUpSerializedProperties(totalSpawners))
                    {
                        // dont continue to initilization, data is missing
                        hasSearchedForSpawners = false;
                        searchButtonPressed    = false;
                    }
                }
            }
        }
        void OnGUI()
        {
            // Draw "search" button and check if clicked
            DrawSearchSpawnersButton();
            // if initialized
            if (hasSearchedForSpawners)
            {
                if (searchButtonPressed)
                {
                    // if button pressed - re-initialize everything
                    graphPanel = SetUpGraphPanel();
                    SpawnTypes.SetAllTypes(totalSpawners);
                    numberOfTotalTypes = SpawnTypes.GetAllTypes().Count;
                    spawnGraph         = new SpawnGraph(graphPanel, totalTime + 1);
                    IncDecGraphPanelRect(0, 20 * numberOfTotalTypes, 0, 0);
                    SpawnerFields.SetTotalFoldoutsPerUnitType(numberOfTotalTypes);


                    searchButtonPressed = false;
                }
                // if show spawners data == true
                showSpawners = EditorGUILayout.Foldout(showSpawners, "Show spawners", EditorStyles.foldout);
                if (showSpawners && numberOfTotalTypes > 0)
                {
                    // Draw spawners and properties
                    SpawnerFields.DrawFormatedSpawnerFields();
                    // Draw graph's background
                    EditorGUI.DrawRect(graphPanel.GetRect(), graphPanelBackgroundColor);
                    // Draw the graph
                    spawnGraph.DrawUnitsPerSecGraph(graphPanel.GetRect());
                }
            }
            else
            {
                EditorGUILayout.LabelField("Press: Search spawners first!", EditorStyles.miniLabel);
            }
        }