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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Ninject;
using V3.Data;
using V3.Input;
using V3.Objects;
using V3.Widgets;
namespace V3.Screens
{
/// <summary>
/// A special screen that counts and show the number of frames per
/// second (if debug is enabled). This screen is not added to the
/// screen stack, but is always drawn and updated by the screen manager.
/// </summary>
// ReSharper disable once ClassNeverInstantiated.Global
public sealed class DebugScreen : AbstractScreen, IInitializable
{
private readonly GraphicsDeviceManager mGraphicsDeviceManager;
private readonly IObjectsManager mObjectsManager;
private readonly IOptionsManager mOptionsManager;
private readonly WidgetFactory mWidgetFactory;
private FpsCounter mFpsCounter;
private Label mFpsLabel;
private Label mUnitCountLabel;
private int mUnitCount;
/// <summary>
/// Creates a new debug screen.
/// </summary>
public DebugScreen(GraphicsDeviceManager graphicsDeviceManager,
IObjectsManager objectsManager, IOptionsManager optionsManager,
WidgetFactory widgetFactory) : base(true, true)
{
mGraphicsDeviceManager = graphicsDeviceManager;
mObjectsManager = objectsManager;
mOptionsManager = optionsManager;
mWidgetFactory = widgetFactory;
}
public void Initialize()
{
mFpsCounter = new FpsCounter();
mFpsLabel = mWidgetFactory.CreateLabel("");
mFpsLabel.PaddingX = 10;
mFpsLabel.PaddingY = 0;
mFpsLabel.HorizontalOrientation = HorizontalOrientation.Left;
mFpsLabel.Color = Color.Red;
mUnitCountLabel = mWidgetFactory.CreateLabel("");
mUnitCountLabel.PaddingX = 10;
mUnitCountLabel.PaddingY = 0;
mUnitCountLabel.HorizontalOrientation = HorizontalOrientation.Left;
mUnitCountLabel.Color = Color.Red;
}
public override bool HandleMouseEvent(IMouseEvent mouseEvent)
{
return false;
}
public override void Update(GameTime gameTime)
{
mFpsCounter.Update(gameTime);
mUnitCount = mObjectsManager.CreatureList?.Count ?? 0;
}
public override void Draw(GameTime gameTime, SpriteBatch spriteBatch)
{
mFpsCounter.AddFrame();
if (mOptionsManager.Options.DebugMode == DebugMode.Off)
return;
var viewport = mGraphicsDeviceManager.GraphicsDevice.Viewport;
mFpsLabel.Text = $"FPS: {mFpsCounter.Fps} " + (gameTime.IsRunningSlowly ? "!" : "");
mFpsLabel.Size = mFpsLabel.GetMinimumSize();
mFpsLabel.Position = new Vector2(0, viewport.Height - mFpsLabel.Size.Y);
mUnitCountLabel.Text = $"# units: {mUnitCount}";
mUnitCountLabel.Size = mUnitCountLabel.GetMinimumSize();
mUnitCountLabel.Position = mFpsLabel.Position - new Vector2(0, mFpsLabel.Size.Y);
spriteBatch.Begin();
mFpsLabel.Draw(spriteBatch);
mUnitCountLabel.Draw(spriteBatch);
spriteBatch.End();
}
}
}
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