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Added better system for beginning sprite batches for easier consistency.

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This commit is contained in:
Harrison Deng
2019-03-09 02:03:05 -06:00
parent ed11d31100
commit c59252dbbf
3 changed files with 39 additions and 9 deletions
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26
RecrownedAthenaeum/ScreenSystem/ScreenManager.cs
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@@ -12,6 +12,12 @@ namespace RecrownedAthenaeum.ScreenSystem
/// <param name="screen">The screen to show after the loading screen.</param>
public delegate void ShowFirstScreen(Screen screen);
/// <summary>
/// Custom spritebatch begin call.
/// </summary>
/// <param name="spriteBatch"></param>
public delegate void BeginBatch(SpriteBatch spriteBatch);
/// <summary>
/// A manager for screens. Helps with transitions and updating screens as well as resizes.
/// </summary>
@@ -23,6 +29,12 @@ namespace RecrownedAthenaeum.ScreenSystem
/// Called when the first loading screen is done, and needs to show the landing screen.
/// </summary>
public event ShowFirstScreen ShowFirstScreenEvent;
/// <summary>
/// The function to call that begins the batch.
/// </summary>
public BeginBatch beginBatchFunc;
private GraphicsDeviceManager graphics;
private Screen previousScreen;
private RenderTarget2D previousScreenRenderTarget;
@@ -65,13 +77,16 @@ namespace RecrownedAthenaeum.ScreenSystem
/// </summary>
/// <param name="camera">The camera to be used to perform the correct translations and transformations. Will use default set in <see cref="Configuration"/> if left null.</param>
/// <param name="graphicsDeviceManager">The graphics device manager to be used. Will use default set in <see cref="Configuration"/> if left null.</param>
public ScreenManager(Camera2D camera = null, GraphicsDeviceManager graphicsDeviceManager = null)
/// <param name="beginBatchFunction">The function to call to begin a batch to be used generally. Will use the built-in one in screen manager if not provided.</param>
public ScreenManager(Camera2D camera = null, GraphicsDeviceManager graphicsDeviceManager = null, BeginBatch beginBatchFunction = null)
{
if (beginBatchFunction == null) beginBatchFunction = BasicBeginBatch;
if (camera == null) camera = Configuration.Camera2D;
if (graphicsDeviceManager == null) graphicsDeviceManager = Configuration.GraphicsDeviceManager;
graphics = graphicsDeviceManager ?? throw new ArgumentNullException("Graphics device manager argument cannot be null if setup's graphics device manager is also null.");
this.camera = camera ?? throw new ArgumentNullException("2d camera argument cannot be null if setup's 2d camera is also null.");
beginBatchFunc = beginBatchFunction;
}
/// <summary>
@@ -129,13 +144,13 @@ namespace RecrownedAthenaeum.ScreenSystem
{
graphics.GraphicsDevice.SetRenderTarget(previousScreenRenderTarget);
graphics.GraphicsDevice.Clear(previousScreen.BackgroundColor);
spriteBatch.Begin(effect: camera.BasicEffect);
beginBatchFunc(spriteBatch);
previousScreen.Draw(spriteBatch);
spriteBatch.End();
graphics.GraphicsDevice.SetRenderTarget(null);
Screen.UpdatePreviousScreenFrame(previousScreenRenderTarget);
}
spriteBatch.Begin(effect: camera.BasicEffect);
beginBatchFunc(spriteBatch);
Screen.Draw(spriteBatch);
spriteBatch.End();
}
@@ -199,5 +214,10 @@ namespace RecrownedAthenaeum.ScreenSystem
{
Dispose(false);
}
private void BasicBeginBatch(SpriteBatch spriteBatch)
{
spriteBatch.Begin(effect: camera.BasicEffect, blendState: BlendState.NonPremultiplied);
}
}
}