/// <summary>
/// any PostProcessors present get to do their processing then we do the final render of the RenderTarget to the screen.
/// In almost all cases finalRenderTarget will be null. The only time it will have a value is the first frame of a
/// SceneTransition if the transition is requesting the render.
/// </summary>
/// <returns>The render.</returns>
internal void PostRender(RenderTarget2D finalRenderTarget = null)
{
var enabledCounter = 0;
if (EnablePostProcessing)
{
for (var i = 0; i < _postProcessors.Length; i++)
{
if (_postProcessors.Buffer[i].Enabled)
{
var isEven = Mathf.IsEven(enabledCounter);
enabledCounter++;
_postProcessors.Buffer[i].Process(isEven ? _sceneRenderTarget : _destinationRenderTarget, isEven ? _destinationRenderTarget : _sceneRenderTarget);
}
}
}
// deal with our Renderers that want to render after PostProcessors if we have any
for (var i = 0; i < _afterPostProcessorRenderers.Length; i++)
{
if (i == 0)
{
// we need to set the proper RenderTarget here. We want the last one that was the destination of our PostProcessors
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, Mathf.IsEven(enabledCounter) ? _sceneRenderTarget : _destinationRenderTarget);
}
// force a Camera matrix update to account for the new Viewport size
if (_afterPostProcessorRenderers.Buffer[i].Camera != null)
{
_afterPostProcessorRenderers.Buffer[i].Camera.ForceMatrixUpdate();
}
_afterPostProcessorRenderers.Buffer[i].Render(this);
}
// if we have a screenshot request deal with it before the final render to the backbuffer
if (_screenshotRequestCallback != null)
{
var tex = new Texture2D(Core.GraphicsDevice, _sceneRenderTarget.Width, _sceneRenderTarget.Height);
var data = new int[tex.Bounds.Width * tex.Bounds.Height];
(Mathf.IsEven(enabledCounter) ? _sceneRenderTarget : _destinationRenderTarget).GetData <int>(data);
tex.SetData <int>(data);
_screenshotRequestCallback(tex);
_screenshotRequestCallback = null;
}
// render our final result to the backbuffer or let our delegate do so
if (_finalRenderDelegate != null)
{
_finalRenderDelegate.HandleFinalRender(finalRenderTarget, LetterboxColor, Mathf.IsEven(enabledCounter) ? _sceneRenderTarget : _destinationRenderTarget, _finalRenderDestinationRect, SamplerState);
}
else
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, finalRenderTarget);
Core.GraphicsDevice.Clear(LetterboxColor);
Graphics.Instance.Batcher.Begin(BlendState.Opaque, SamplerState, null, null);
Graphics.Instance.Batcher.Draw(Mathf.IsEven(enabledCounter) ? _sceneRenderTarget : _destinationRenderTarget, _finalRenderDestinationRect, Color.White);
Graphics.Instance.Batcher.End();
}
}
public virtual void Update()
{
// we set the RenderTarget here so that the Viewport will match the RenderTarget properly
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, _sceneRenderTarget);
// update our lists in case they have any changes
Entities.UpdateLists();
// update our SceneComponents
for (var i = _sceneComponents.Length - 1; i >= 0; i--)
{
if (_sceneComponents.Buffer[i].Enabled)
{
_sceneComponents.Buffer[i].Update();
}
}
// update our EntityProcessors
if (EntityProcessors != null)
{
EntityProcessors.Update();
}
// update our Entities
Entities.Update();
if (EntityProcessors != null)
{
EntityProcessors.LateUpdate();
}
// we update our renderables after entity.update in case any new Renderables were added
RenderableComponents.UpdateLists();
}
public override void Render(Batcher batcher)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
batcher.Begin(BlendState.NonPremultiplied, Core.DefaultSamplerState, DepthStencilState.None, null);
batcher.Draw(PreviousSceneRender, Vector2.Zero, _color);
batcher.End();
}
public override void Render(Graphics graphics)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
graphics.Batcher.Begin(BlendState.NonPremultiplied, Core.DefaultSamplerState, DepthStencilState.None, null, _windEffect);
graphics.Batcher.Draw(PreviousSceneRender, _destinationRect, Color.White);
graphics.Batcher.End();
}
/// <summary>
/// do all of your rendering here.static This is a base implementation. Any special rendering should override
/// this method.
/// </summary>
/// <param name="batcher">Batcher.</param>
public virtual void Render(Batcher batcher)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
batcher.Begin(BlendState.Opaque, Core.DefaultSamplerState, DepthStencilState.None, null);
batcher.Draw(PreviousSceneRender, System.Numerics.Vector2.Zero, Color.White);
batcher.End();
}
public void OnSceneBackBufferSizeChanged(int newWidth, int newHeight)
{
// dont recreate the mosaic unless we really need to
if (_lastMosaicScale != _scene.PixelPerfectScale)
{
CreateMosaicTexture(_scene.PixelPerfectScale);
_lastMosaicScale = _scene.PixelPerfectScale;
}
if (_mosaicRenderTex != null)
{
_mosaicRenderTex.Dispose();
_mosaicRenderTex = RenderTarget.Create(newWidth * _scene.PixelPerfectScale,
newHeight * _scene.PixelPerfectScale, DepthFormat.None);
}
else
{
_mosaicRenderTex = RenderTarget.Create(newWidth * _scene.PixelPerfectScale,
newHeight * _scene.PixelPerfectScale, DepthFormat.None);
}
// based on the look of games by: http://deepnight.net/games/strike-of-rage/
// use the mosaic to render to a full sized RenderTarget repeating the mosaic
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, _mosaicRenderTex);
Graphics.Instance.Batcher.Begin(BlendState.Opaque, SamplerState.PointWrap, DepthStencilState.None,
RasterizerState.CullNone);
Graphics.Instance.Batcher.Draw(_mosaicTexture, System.Numerics.Vector2.Zero,
new Rectangle(0, 0, _mosaicRenderTex.Width, _mosaicRenderTex.Height), Color.White);
Graphics.Instance.Batcher.End();
// let our Effect know about our rendered, full screen mosaic
_effect.Parameters["_secondTexture"].SetValue(_mosaicRenderTex);
}
public void HandleFinalRender(RenderTarget2D finalRenderTarget, Color letterboxColor, RenderTarget2D source, Rectangle finalRenderDestinationRect, SamplerState samplerState)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, finalRenderTarget);
Core.GraphicsDevice.Clear(letterboxColor);
Graphics.Instance.Batcher.Begin(BlendState.Opaque, samplerState, DepthStencilState.None, RasterizerState.CullNone, _effect);
Graphics.Instance.Batcher.Draw(source, finalRenderDestinationRect, Color.White);
Graphics.Instance.Batcher.End();
}
public override void PreRender(Graphics graphics)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, _maskRenderTarget);
graphics.Batcher.Begin(BlendState.AlphaBlend, Core.DefaultSamplerState, DepthStencilState.None, null);
graphics.Batcher.Draw(_maskTexture, _maskPosition, null, Color.White, _renderRotation, _maskOrigin, _renderScale, SpriteEffects.None, 0);
graphics.Batcher.End();
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
}
/// <summary>
/// if a RenderTarget is used this will set it up. The Batcher is also started. The passed in Camera will be used to set the ViewPort
/// (if a ViewportAdapter is present) and for the Batcher transform Matrix.
/// </summary>
/// <param name="cam">Cam.</param>
protected virtual void BeginRender(Camera cam)
{
// if we have a renderTarget render into it
if (RenderTexture != null)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, RenderTexture);
Core.GraphicsDevice.Clear(RenderTargetClearColor);
}
_currentMaterial = Material;
Graphics.Instance.Batcher.Begin(_currentMaterial, cam.TransformMatrix);
}
public override void Render(Graphics graphics)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
graphics.Batcher.Begin(BlendState.NonPremultiplied, Core.DefaultSamplerState, DepthStencilState.None, null);
// we only render the previousSceneRender while fading to _color. It will be null after that.
if (!_isNewSceneLoaded)
graphics.Batcher.Draw(PreviousSceneRender, _destinationRect, Color.White);
graphics.Batcher.Draw(_overlayTexture, new Rectangle(0, 0, Screen.Width, Screen.Height), _color);
graphics.Batcher.End();
}
public override void Render(Batcher batcher)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
// if we are scaling out we dont need to render the previous scene anymore since we want the new scene to be visible
if (!_isNewSceneLoaded)
{
batcher.Begin(BlendState.Opaque, Core.DefaultSamplerState, DepthStencilState.None, null);
batcher.Draw(PreviousSceneRender, System.Numerics.Vector2.Zero, Color.White);
batcher.End();
}
batcher.Begin(_blendState, Core.DefaultSamplerState, DepthStencilState.None, null);
batcher.Draw(_maskRenderTarget, System.Numerics.Vector2.Zero, Color.White);
batcher.End();
}
public override void Process(RenderTarget2D source, RenderTarget2D destination)
{
// first we process the rendered layer with the bloom effect
base.Process(_layerRT, _tempRT);
// we need to be careful here and ensure we use AlphaBlending since the layer we rendered is mostly transparent
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, destination);
Graphics.Instance.Batcher.Begin(BlendState.AlphaBlend, SamplerState, DepthStencilState.None, RasterizerState.CullNone);
// now we first draw the full scene (source), then draw our bloomed layer (tempRT) then draw the un-bloomed layer (layerRT)
Graphics.Instance.Batcher.Draw(source, new Rectangle(0, 0, destination.Width, destination.Height), Color.White);
Graphics.Instance.Batcher.Draw(_tempRT, new Rectangle(0, 0, destination.Width, destination.Height), Color.White);
Graphics.Instance.Batcher.Draw(_layerRT, new Rectangle(0, 0, destination.Width, destination.Height), Color.White);
Graphics.Instance.Batcher.End();
}
public override void Render(Graphics graphics)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, null);
graphics.Batcher.Begin(BlendState.NonPremultiplied, Core.DefaultSamplerState, DepthStencilState.None, null, _squaresEffect);
// we only render the previousSceneRender while populating the squares
if (!_isNewSceneLoaded)
{
graphics.Batcher.Draw(PreviousSceneRender, _destinationRect, Color.White);
}
else
{
graphics.Batcher.Draw(_overlayTexture, new Rectangle(0, 0, Screen.Width, Screen.Height), Color.Transparent);
}
graphics.Batcher.End();
}
internal void Render()
{
if (_renderers.Length == 0)
{
Debug.Error("There are no Renderers in the Scene!");
return;
}
// Renderers should always have those that require a RenderTarget first. They clear themselves and set themselves as
// the current RenderTarget when they render. If the first Renderer wants the sceneRenderTarget we set and clear it now.
if (_renderers[0].WantsToRenderToSceneRenderTarget)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, _sceneRenderTarget);
Core.GraphicsDevice.Clear(ClearColor);
}
var lastRendererHadRenderTarget = false;
for (var i = 0; i < _renderers.Length; i++)
{
// MonoGame follows the XNA bullshit implementation so it will clear the entire buffer if we change the render target even if null.
// Because of that, we track when we are done with our RenderTargets and clear the scene at that time.
if (lastRendererHadRenderTarget && _renderers.Buffer[i].WantsToRenderToSceneRenderTarget)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, _sceneRenderTarget);
Core.GraphicsDevice.Clear(ClearColor);
// force a Camera matrix update to account for the new Viewport size
if (_renderers.Buffer[i].Camera != null)
{
_renderers.Buffer[i].Camera.ForceMatrixUpdate();
}
Camera.ForceMatrixUpdate();
}
_renderers.Buffer[i].Render(this);
lastRendererHadRenderTarget = _renderers.Buffer[i].RenderTexture != null;
}
}
internal void Begin()
{
if (_renderers.Length == 0)
{
AddRenderer(new DefaultRenderer());
Debug.Warn("Scene has begun with no renderer. A DefaultRenderer was added automatically so that something is visible.");
}
Physics.Reset();
// prep our render textures
UpdateResolutionScaler();
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, _sceneRenderTarget);
if (EntityProcessors != null)
{
EntityProcessors.Begin();
}
Core.Emitter.AddObserver(CoreEvents.GraphicsDeviceReset, OnGraphicsDeviceReset);
_didSceneBegin = true;
OnStart();
}
/// <summary>
/// helper for drawing a texture into a rendertarget, optionally using a custom shader to apply postprocessing effects.
/// </summary>
protected void DrawFullscreenQuad(Texture2D texture, RenderTarget2D renderTarget, Effect effect = null)
{
GraphicsDeviceExt.SetRenderTarget(Core.GraphicsDevice, renderTarget);
DrawFullscreenQuad(texture, renderTarget.Width, renderTarget.Height, effect);
}
