public void HandleInput(GameTime gameTime, InputHelper inputHelper)
{
//Exit on escape
if (inputHelper.KeyPressed(Keys.Escape))
{
System.Environment.Exit(1);
}
//change what we do based on gamestate
switch (gameState)
{
// default
default:
gameState = GameState.MainMenu;
break;
// Menu - main menu
case GameState.MainMenu:
// make sure that you cannot select a non-existent option
if (inputHelper.KeyPressed(Keys.Up) && MainMenu.currentItem > 0)
{
MainMenu.currentItem--;
}
if (inputHelper.KeyPressed(Keys.Down) && MainMenu.currentItem < 3)
{
MainMenu.currentItem++;
}
if (inputHelper.KeyPressed(Keys.Enter))
{
MainMenu.OnAction();
}
break;
// Menu - settings
case GameState.Settings:
//same here
if (inputHelper.KeyPressed(Keys.Up) && SettingsMenu.currentItem > 0)
{
SettingsMenu.currentItem--;
}
if (inputHelper.KeyPressed(Keys.Down) && SettingsMenu.currentItem < SettingsMenu.GetLength() - 1)
{
SettingsMenu.currentItem++;
}
if (inputHelper.KeyPressed(Keys.Right))
{
Settings.ChangeSetting(true, Settings.GetSetting(SettingsMenu.currentItem));
}
if (inputHelper.KeyPressed(Keys.Left))
{
Settings.ChangeSetting(false, Settings.GetSetting(SettingsMenu.currentItem));
}
if (inputHelper.KeyPressed(Keys.Enter))
{
SettingsMenu.OnAction();
}
break;
// Menu - credits
case GameState.Credits:
if (inputHelper.KeyPressed(Keys.Enter))
{
Credits.OnAction();
}
break;
// Menu - controls
case GameState.Controls:
if (inputHelper.KeyPressed(Keys.Enter))
{
Controls.OnAction();
}
break;
// Menu - game over
case GameState.GameOver:
if (inputHelper.KeyPressed(Keys.Enter))
{
GameOver.OnAction();
}
break;
// The game
case GameState.Running:
game.HandleInput(gameTime, inputHelper);
break;
}
}
