Azmyth.XNA.AzmythGame.Update C# (CSharp) Method

        protected override void Update(GameTime gameTime)
        {
            base.Update(gameTime);
            InputManager.Update(gameTime);

            if(m_lastTime == null)
                m_lastTime = gameTime.TotalGameTime;

            if (InputManager.PadPressed(PlayerIndex.One, Buttons.Back) || InputManager.KeyReleased(Keys.OemTilde))
            {
                Exit();
            }

            m_elapsedTime += gameTime.ElapsedGameTime;

            if (m_elapsedTime > TimeSpan.FromSeconds(1))
            {
                m_elapsedTime -= TimeSpan.FromSeconds(1);
                m_frameRate = m_frameCounter;
                m_frameCounter = 0;
            }

            switch(m_stateManager.State)
            {
                case GameStates.Intro:
                    ShowMiniMap(false);
                    ShowCreateWorld(false);
                    ShowSettings(false);
                    ShowMenu(false);

                    if (InputManager.AnyKeyPressed() || InputManager.PadPressed(PlayerIndex.One, Buttons.Start) || InputManager.PadPressed(PlayerIndex.One, Buttons.A))
                    {
                        m_stateManager.SetState(GameStates.MainMenu);
                    }

                    if (World == null || gameTime.TotalGameTime.Subtract(m_lastTime).Seconds >= 5)
                    {
                        World = new World(new VectorID(1, 1), new Random().Next(500, 9999));

                        m_terrainManager.UpdateChunks(new Vector2(0, 0));

                        m_lastTime = gameTime.TotalGameTime;
                    }
                    break;
                case GameStates.MainMenu:
                    ShowMiniMap(false);
                    ShowCreateWorld(false);
                    ShowSettings(false);
                    ShowMenu(true);

                    if (InputManager.PadPressed(PlayerIndex.One, Buttons.B))
                    {
                        m_stateManager.PrevState();
                    }

                    if (InputManager.KeyPressed(Keys.Escape) || InputManager.PadPressed(PlayerIndex.One, Buttons.Start))
                    {
                        if(m_stateManager.LastState == GameStates.Playing)
                            m_stateManager.SetState(GameStates.Playing);
                    }
                    break;
                case GameStates.Settings:
                    ShowMiniMap(false);
                    ShowCreateWorld(false);
                    ShowMenu(false);
                    ShowSettings(true);

                    if(InputManager.PadPressed(PlayerIndex.One, Buttons.B))
                    {
                        m_stateManager.PrevState();
                    }
                    break;
                case GameStates.CreateWorld:
                    ShowSettings(false);
                    ShowMenu(false);
                    ShowCreateWorld(true);

                    if (InputManager.PadPressed(PlayerIndex.One, Buttons.B))
                    {
                        m_stateManager.PrevState();
                    }
                    break;
                case GameStates.CreatePlayer:
                    ShowSettings(false);
                    ShowMenu(false);
                    ShowCreateWorld(false);

                    if (InputManager.PadPressed(PlayerIndex.One, Buttons.B))
                    {
                        m_stateManager.PrevState();
                    }
                    break;
                case GameStates.Playing:
                    ShowCreateWorld(false);
                    ShowSettings(false);
                    ShowMenu(false);
                    ShowMiniMap(true);

                    XnaGUIManager.Activate(false);

                    if (InputManager.KeyPressed(Keys.Escape) || InputManager.PadPressed(PlayerIndex.One, Buttons.Start))
                    {
                        m_stateManager.SetState(GameStates.MainMenu);
                    }

                    if (InputManager.KeyPressed(Keys.W) || InputManager.ThumbUpPressed(PlayerIndex.One, ThumbSticks.Left))
                    {
                        m_playerManager.Move(Directions.North);
                    }

                    if (InputManager.KeyPressed(Keys.S) || InputManager.ThumbDownPressed(PlayerIndex.One, ThumbSticks.Left))
                    {
                        m_playerManager.Move(Directions.South);
                    }

                    if (InputManager.KeyPressed(Keys.A) || InputManager.ThumbLeftPressed(PlayerIndex.One, ThumbSticks.Left))
                    {
                        m_playerManager.Move(Directions.West);
                    }

                    if (InputManager.KeyPressed(Keys.D) || InputManager.ThumbRightPressed(PlayerIndex.One, ThumbSticks.Left))
                    {
                        m_playerManager.Move(Directions.East);
                    }

                    m_playerManager.Update(gameTime);

                    m_terrainManager.Update(gameTime);

                    m_miniMap.CenterTile((int)m_playerManager.Position.X, (int)m_playerManager.Position.Y);

                    break;
            }

            XnaGUIManager.Update(gameTime);
        }