protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
var graphicsDevice = context.GraphicsDevice;
var destination = new RectangleF(0, 0, 1, 1);
// find the last background to display with valid texture
BackgroundComponent background = null;
for (var i = toIndex; i >= fromIndex; --i)
{
background = (BackgroundComponent)renderItems[i].DrawContext;
if (background.Texture != null)
{
break;
}
}
// Abort if not valid background component
if (background == null || background.Texture == null)
{
return;
}
var texture = background.Texture;
var target = CurrentRenderFrame;
var imageBufferMinRatio = Math.Min(texture.ViewWidth / (float)target.Width, texture.ViewHeight / (float)target.Height);
var sourceSize = new Vector2(target.Width * imageBufferMinRatio, target.Height * imageBufferMinRatio);
var source = new RectangleF((texture.ViewWidth - sourceSize.X) / 2, (texture.ViewHeight - sourceSize.Y) / 2, sourceSize.X, sourceSize.Y);
spriteBatch.Parameters.Add(BackgroundEffectKeys.Intensity, background.Intensity);
spriteBatch.Begin(SpriteSortMode.FrontToBack, graphicsDevice.BlendStates.Opaque, graphicsDevice.SamplerStates.LinearClamp, graphicsDevice.DepthStencilStates.None, null, backgroundEffect);
spriteBatch.Draw(texture, destination, source, Color.White, 0, Vector2.Zero);
spriteBatch.End();
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItemList, int fromIndex, int toIndex)
{
// Get all meshes from render models
meshesToRender.Clear();
for (int i = fromIndex; i <= toIndex; i++)
{
meshesToRender.Add((RenderMesh)renderItemList[i].DrawContext);
}
// Slow path there is a callback
if (Callbacks.UpdateMeshes != null)
{
Callbacks.UpdateMeshes(context, meshesToRender);
}
// Fetch callback on PreRenderGroup
var preRenderMesh = Callbacks.PreRenderMesh;
foreach (var mesh in meshesToRender)
{
// If the EntityGroup is changing, call the callback to allow to plug specific parameters for this group
if (preRenderMesh != null)
{
preRenderMesh(context, mesh);
}
// Update Effect and mesh
UpdateEffect(context, mesh, context.Parameters);
// Draw the mesh
mesh.Draw(context);
}
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
var graphicsDevice = context.GraphicsDevice;
var destination = new RectangleF(0, 0, 1, 1);
spriteBatch.Begin(SpriteSortMode.FrontToBack, graphicsDevice.BlendStates.Opaque, graphicsDevice.SamplerStates.LinearClamp, graphicsDevice.DepthStencilStates.None);
for (var i = fromIndex; i <= toIndex; ++i)
{
var background = (BackgroundComponent)renderItems[i].DrawContext;
var texture = background.Texture;
if (texture == null)
{
continue;
}
var target = CurrentRenderFrame;
var imageBufferMinRatio = Math.Min(texture.ViewWidth / (float)target.Width, texture.ViewHeight / (float)target.Height);
var sourceSize = new Vector2(target.Width * imageBufferMinRatio, target.Height * imageBufferMinRatio);
var source = new RectangleF((texture.ViewWidth - sourceSize.X) / 2, (texture.ViewHeight - sourceSize.Y) / 2, sourceSize.X, sourceSize.Y);
spriteBatch.Draw(texture, destination, source, Color.White, 0, Vector2.Zero);
}
spriteBatch.End();
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
var cameraState = context.GetCurrentCamera();
if (cameraState == null)
return;
UpdateParameters(context, cameraState);
}
public void Draw(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
if (Enabled)
{
PreDrawCoreInternal(context);
DrawCore(context, renderItems, fromIndex, toIndex);
PostDrawCoreInternal(context);
}
}
public void Prepare(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
if (Context == null)
{
Initialize(context);
}
else if (Context != context)
{
throw new InvalidOperationException("Cannot use a different context between Load and Draw");
}
PrepareCore(context, opaqueList, transparentList);
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
var uiProcessor = SceneInstance.GetProcessor <UIComponentProcessor>();
if (uiProcessor == null)
{
return;
}
foreach (var uiRoot in uiProcessor.UIRoots)
{
// Perform culling on group and accept
if (!CurrentCullingMask.Contains(uiRoot.UIComponent.Entity.Group))
{
continue;
}
// skips empty UI elements
if (uiRoot.UIComponent.RootElement == null)
{
continue;
}
// Project the position
// TODO: This code is duplicated from SpriteComponent -> unify it at higher level?
var worldPosition = new Vector4(uiRoot.TransformComponent.WorldMatrix.TranslationVector, 1.0f);
float projectedZ;
if (uiRoot.UIComponent.IsFullScreen)
{
projectedZ = -uiRoot.TransformComponent.WorldMatrix.M43;
}
else
{
Vector4 projectedPosition;
var cameraComponent = context.Tags.Get(CameraComponentRenderer.Current);
if (cameraComponent == null)
{
continue;
}
Vector4.Transform(ref worldPosition, ref cameraComponent.ViewProjectionMatrix, out projectedPosition);
projectedZ = projectedPosition.Z / projectedPosition.W;
}
transparentList.Add(new RenderItem(this, uiRoot, projectedZ));
}
}
private void Draw(RenderContext context, RenderItemCollection renderItems, IComparer <RenderItem> comparer)
{
// Early exit
if (renderItems.Count == 0)
{
return;
}
// Sort the list
renderItems.Sort(comparer);
var renderer = renderItems[0].Renderer;
int fromIndex = 0;
var lastIndex = renderItems.Count - 1;
for (int i = 0; i < renderItems.Count; i++)
{
var renderItem = renderItems[i];
bool isNewRenderer = !ReferenceEquals(renderItem.Renderer, renderer);
bool isLastIndex = i == lastIndex;
if (isLastIndex)
{
if (isNewRenderer)
{
DrawRendererInternal(context, renderer, renderItems, fromIndex, i - 1);
context.GraphicsDevice.ResetStates();
DrawRendererInternal(context, renderItem.Renderer, renderItems, lastIndex, lastIndex);
}
else
{
DrawRendererInternal(context, renderer, renderItems, fromIndex, lastIndex);
}
}
else if (isNewRenderer)
{
DrawRendererInternal(context, renderer, renderItems, fromIndex, i - 1);
fromIndex = i;
}
renderer = renderItem.Renderer;
}
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// If EffectName is not setup, exit
if (effectName == null)
{
return;
}
if (dynamicEffectCompiler == null)
{
dynamicEffectCompiler = new DynamicEffectCompiler(Services, effectName);
}
// If we don't have yet a render slot, create a new one
if (modelRenderSlot < 0)
{
var pipelineModelState = GetOrCreateModelRendererState(context);
// Allocate (or reuse) a slot for the pass of this processor
// Note: The slot is passed as out, so that when ModelRendererState.ModelSlotAdded callback is fired,
// ModelRenderer.modelRenderSlot is valid (it might call PrepareModelForRendering recursively).
modelRenderSlot = pipelineModelState.AllocateModelSlot(EffectName);
}
if (UseCustomRenderModelList)
{
PrepareModels(context, CustomRenderModelList, opaqueList, transparentList);
}
else
{
// Get all meshes from the render model processor
var modelProcessor = SceneInstance.GetProcessor <ModelProcessor>();
foreach (var renderModelGroup in modelProcessor.ModelGroups)
{
// Perform culling on group and accept
if (!CurrentCullingMask.Contains(renderModelGroup.Group))
{
continue;
}
PrepareModels(context, renderModelGroup, opaqueList, transparentList);
}
}
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
spriteProcessor = SceneInstance.GetProcessor <SpriteProcessor>();
if (spriteProcessor == null)
{
return;
}
// If no camera, early exit
var camera = context.GetCurrentCamera();
if (camera == null)
{
return;
}
var viewProjectionMatrix = camera.ViewProjectionMatrix;
foreach (var spriteState in spriteProcessor.Sprites)
{
var sprite = spriteState.SpriteComponent.CurrentSprite;
if (sprite == null)
{
continue;
}
// Perform culling on group and accept
if (!CurrentCullingMask.Contains(spriteState.SpriteComponent.Entity.Group))
{
continue;
}
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(spriteState.TransformComponent.WorldMatrix.TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref viewProjectionMatrix, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
var list = sprite.IsTransparent ? transparentList : opaqueList;
list.Add(new RenderItem(this, spriteState, projectedZ));
}
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// If there is a list of models to render, use this list directly
if (RenderModels != null)
{
PrepareModels(context, RenderModels, opaqueList, transparentList);
}
else
{
// Otherwise, use the models from the ModelProcessor
var modelProcessor = SceneInstance.GetProcessor <ModelProcessor>();
renderModelCollections.Clear();
modelProcessor.QueryModelGroupsByMask(CurrentCullingMask, renderModelCollections);
foreach (var renderModelGroup in renderModelCollections)
{
PrepareModels(context, renderModelGroup, opaqueList, transparentList);
}
}
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
var backgroundProcessor = SceneInstance.GetProcessor <BackgroundComponentProcessor>();
if (backgroundProcessor == null)
{
return;
}
foreach (var backgroundComponent in backgroundProcessor.Backgrounds)
{
// Perform culling on group and accept
if (!CurrentCullingMask.Contains(backgroundComponent.Entity.Group))
{
continue;
}
opaqueList.Add(new RenderItem(this, backgroundComponent, float.NegativeInfinity)); // render background first so that it can replace a clear frame
return; // draw only one background by group
}
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItemList, int fromIndex, int toIndex)
{
if (dynamicEffectCompiler == null)
{
throw new InvalidOperationException("This instance is not correctly initialized (no EffectName)");
}
// Get all meshes from render models
meshesToRender.Clear();
for (int i = fromIndex; i <= toIndex; i++)
{
meshesToRender.Add((RenderMesh)renderItemList[i].DrawContext);
}
// Slow path there is a callback
if (Callbacks.UpdateMeshes != null)
{
Callbacks.UpdateMeshes(context, ref meshesToRender);
}
// Fetch callback on PreRenderGroup
var preRenderMesh = Callbacks.PreRenderMesh;
for (int i = 0; i < meshesToRender.Count; i++)
{
var renderMesh = meshesToRender[i];
// If the EntityGroup is changing, call the callback to allow to plug specific parameters for this group
if (preRenderMesh != null)
{
preRenderMesh(context, renderMesh);
}
// Update Effect and mesh
UpdateEffect(context, renderMesh, context.Parameters);
// Draw the mesh
renderMesh.Draw(context);
}
}
public void Prepare(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
if (!Enabled)
{
return;
}
if (Context == null)
{
Initialize(context);
}
else if (Context != context)
{
throw new InvalidOperationException("Cannot use a different context between Load and Draw");
}
if (SceneCameraRenderer != null)
{
CurrentCullingMask = SceneCameraRenderer.CullingMask;
}
PrepareCore(context, opaqueList, transparentList);
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// If no camera, early exit
var camera = context.GetCurrentCamera();
if (camera == null)
{
return;
}
// Copy the ViewProjectionMatrix from the camera as it is not automatically picked up by the ModelComponentRenderer
modelRenderer.ViewProjectionMatrix = camera.ViewProjectionMatrix;
var sceneCameraRenderer = context.Tags.Get(SceneCameraRenderer.Current);
var cameraRenderMode = sceneCameraRenderer != null ? sceneCameraRenderer.Mode : null;
if (cameraRenderMode != null)
{
modelRenderer.RasterizerState = cameraRenderMode.GetDefaultRasterizerState(false);
modelRenderer.RasterizerStateForInvertedGeometry = cameraRenderMode.GetDefaultRasterizerState(true);
}
modelRenderer.Prepare(context, opaqueList, transparentList);
}
protected override void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
modelRenderer.Prepare(context, opaqueList, transparentList);
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
var viewParameters = context.Parameters;
var device = context.GraphicsDevice;
var viewInverse = Matrix.Invert(viewParameters.Get(TransformationKeys.View));
var viewProjection = viewParameters.Get(TransformationKeys.ViewProjection);
BlendState previousBlendState = null;
DepthStencilState previousDepthStencilState = null;
Effect previousEffect = null;
var isPicking = context.IsPicking();
bool hasBegin = false;
for (var i = fromIndex; i <= toIndex; i++)
{
var renderItem = renderItems[i];
var spriteState = (SpriteProcessor.SpriteComponentState)renderItem.DrawContext;
var spriteComp = spriteState.SpriteComponent;
var transfoComp = spriteState.TransformComponent;
var depthStencilState = spriteState.SpriteComponent.IgnoreDepth ? device.DepthStencilStates.None : device.DepthStencilStates.Default;
var sprite = spriteComp.CurrentSprite;
if (sprite == null)
{
continue;
}
// Update the sprite batch
var blendState = isPicking ? device.BlendStates.Opaque : renderItems.HasTransparency ? (spriteComp.PremultipliedAlpha ? device.BlendStates.AlphaBlend : device.BlendStates.NonPremultiplied) : device.BlendStates.Opaque;
var currentEffect = isPicking? GetOrCreatePickingSpriteEffect(): spriteComp.Tags.Get(IsEntitySelected)? GetOrCreateSelectedSpriteEffect(): null; // TODO remove this code when material are available
if (previousEffect != currentEffect || blendState != previousBlendState || depthStencilState != previousDepthStencilState)
{
if (hasBegin)
{
sprite3DBatch.End();
}
sprite3DBatch.Begin(viewProjection, SpriteSortMode.Deferred, blendState, null, depthStencilState, device.RasterizerStates.CullNone, currentEffect);
hasBegin = true;
}
previousEffect = currentEffect;
previousBlendState = blendState;
previousDepthStencilState = depthStencilState;
var sourceRegion = sprite.Region;
var texture = sprite.Texture;
var color = spriteComp.Color;
if (isPicking) // TODO move this code corresponding to picking out of the runtime code.
{
color = (Color) new Color4(spriteComp.Id);
}
// skip the sprite if no texture is set.
if (texture == null)
{
continue;
}
// determine the element world matrix depending on the type of sprite
var worldMatrix = transfoComp.WorldMatrix;
if (spriteComp.SpriteType == SpriteType.Billboard)
{
worldMatrix = viewInverse;
// remove scale of the camera
worldMatrix.Row1 /= ((Vector3)viewInverse.Row1).Length();
worldMatrix.Row2 /= ((Vector3)viewInverse.Row2).Length();
// set the scale of the object
worldMatrix.Row1 *= ((Vector3)transfoComp.WorldMatrix.Row1).Length();
worldMatrix.Row2 *= ((Vector3)transfoComp.WorldMatrix.Row2).Length();
// set the position
worldMatrix.TranslationVector = transfoComp.WorldMatrix.TranslationVector;
}
// apply the offset due to the center of the sprite
var normalizedCenter = new Vector2(sprite.SizeInternal.X * (sprite.Center.X / sourceRegion.Width - 0.5f), sprite.SizeInternal.Y * (0.5f - sprite.Center.Y / sourceRegion.Height));
worldMatrix.M41 -= normalizedCenter.X * worldMatrix.M11 + normalizedCenter.Y * worldMatrix.M21;
worldMatrix.M42 -= normalizedCenter.X * worldMatrix.M12 + normalizedCenter.Y * worldMatrix.M22;
worldMatrix.M43 -= normalizedCenter.X * worldMatrix.M13 + normalizedCenter.Y * worldMatrix.M23;
// draw the sprite
sprite3DBatch.Draw(texture, ref worldMatrix, ref sourceRegion, ref sprite.SizeInternal, ref color, sprite.Orientation, SwizzleMode.None, renderItem.Depth);
}
sprite3DBatch.End();
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
// build the list of the UI elements to render
uiElementStates.Clear();
for (var i = fromIndex; i <= toIndex; ++i)
{
var renderItem = renderItems[i];
uiElementStates.Add((UIComponentProcessor.UIComponentState)renderItem.DrawContext);
}
// evaluate the current draw time (game instance is null for thumbnails)
var drawTime = game != null ? game.DrawTime : new GameTime();
// update the rendering context
renderingContext.Time = drawTime;
renderingContext.RenderTarget = CurrentRenderFrame.RenderTargets[0]; // TODO: avoid hardcoded index 0
// cache the ratio between viewport and target.
var viewportSize = context.GraphicsDevice.Viewport.Size;
viewportTargetRatio = new Vector2(viewportSize.X / renderingContext.RenderTarget.Width, viewportSize.Y / renderingContext.RenderTarget.Height);
// compact all the pointer events that happened since last frame to avoid performing useless hit tests.
CompactPointerEvents();
// allocate temporary graphics resources if needed
Texture scopedDepthBuffer = null;
foreach (var uiElement in uiElementStates)
{
if (uiElement.UIComponent.IsFullScreen)
{
var renderTarget = renderingContext.RenderTarget;
var description = TextureDescription.New2D(renderTarget.Width, renderTarget.Height, PixelFormat.D24_UNorm_S8_UInt, TextureFlags.DepthStencil);
scopedDepthBuffer = PushScopedResource(context.Allocator.GetTemporaryTexture(description));
break;
}
}
// render the UI elements of all the entities
foreach (var uiElementState in uiElementStates)
{
var uiComponent = uiElementState.UIComponent;
var rootElement = uiComponent.RootElement;
if (rootElement == null)
{
continue;
}
var updatableRootElement = (IUIElementUpdate)rootElement;
// calculate the size of the virtual resolution depending on target size (UI canvas)
var virtualResolution = uiComponent.VirtualResolution;
var targetSize = new Vector2(renderingContext.RenderTarget.Width, renderingContext.RenderTarget.Height);
if (uiComponent.IsFullScreen)
{
// update the virtual resolution of the renderer
if (uiComponent.VirtualResolutionMode == VirtualResolutionMode.FixedWidthAdaptableHeight)
{
virtualResolution.Y = virtualResolution.X * targetSize.Y / targetSize.X;
}
if (uiComponent.VirtualResolutionMode == VirtualResolutionMode.FixedHeightAdaptableWidth)
{
virtualResolution.X = virtualResolution.Y * targetSize.X / targetSize.Y;
}
}
// Update the view parameters
if (uiComponent.IsFullScreen)
{
viewParameters.Update(uiComponent.Entity, virtualResolution);
}
else
{
var cameraComponent = context.Tags.Get(CameraComponentRenderer.Current);
viewParameters.Update(uiComponent.Entity, cameraComponent);
}
// Analyze the input and trigger the UI element touch and key events
// Note: this is done before measuring/arranging/drawing the element in order to avoid one frame latency on clicks.
// But by doing so the world matrices taken for hit test are the ones calculated during last frame.
using (Profiler.Begin(UIProfilerKeys.TouchEventsUpdate))
{
foreach (var uiState in uiElementStates)
{
if (uiState.UIComponent.RootElement == null)
{
continue;
}
UpdateMouseOver(uiState);
UpdateTouchEvents(uiState, drawTime);
}
}
// update the rendering context values specific to this element
renderingContext.Resolution = virtualResolution;
renderingContext.ViewMatrix = viewParameters.ViewMatrix;
renderingContext.ProjectionMatrix = viewParameters.ProjectionMatrix;
renderingContext.ViewProjectionMatrix = viewParameters.ViewProjectionMatrix;
renderingContext.DepthStencilBuffer = uiComponent.IsFullScreen ? scopedDepthBuffer : CurrentRenderFrame.DepthStencil;
renderingContext.ShouldSnapText = uiComponent.SnapText;
// calculate an estimate of the UI real size by projecting the element virtual resolution on the screen
var virtualOrigin = viewParameters.ViewProjectionMatrix.Row4;
var virtualWidth = new Vector4(virtualResolution.X / 2, 0, 0, 1);
var virtualHeight = new Vector4(0, virtualResolution.Y / 2, 0, 1);
var transformedVirtualWidth = Vector4.Zero;
var transformedVirtualHeight = Vector4.Zero;
for (int i = 0; i < 4; i++)
{
transformedVirtualWidth[i] = virtualWidth[0] * viewParameters.ViewProjectionMatrix[0 + i] + viewParameters.ViewProjectionMatrix[12 + i];
transformedVirtualHeight[i] = virtualHeight[1] * viewParameters.ViewProjectionMatrix[4 + i] + viewParameters.ViewProjectionMatrix[12 + i];
}
var projectedOrigin = virtualOrigin.XY() / virtualOrigin.W;
var projectedVirtualWidth = viewportSize * (transformedVirtualWidth.XY() / transformedVirtualWidth.W - projectedOrigin);
var projectedVirtualHeight = viewportSize * (transformedVirtualHeight.XY() / transformedVirtualHeight.W - projectedOrigin);
// update layouting context.
layoutingContext.VirtualResolution = virtualResolution;
layoutingContext.RealResolution = viewportSize;
layoutingContext.RealVirtualResolutionRatio = new Vector2(projectedVirtualWidth.Length() / virtualResolution.X, projectedVirtualHeight.Length() / virtualResolution.Y);
rootElement.LayoutingContext = layoutingContext;
// perform the time-based updates of the UI element
updatableRootElement.Update(drawTime);
// update the UI element disposition
rootElement.Measure(virtualResolution);
rootElement.Arrange(virtualResolution, false);
// update the UI element hierarchical properties
var rootMatrix = Matrix.Translation(-virtualResolution / 2); // UI world is rotated of 180degrees along Ox
updatableRootElement.UpdateWorldMatrix(ref rootMatrix, rootMatrix != uiElementState.LastRootMatrix);
updatableRootElement.UpdateElementState(0);
uiElementState.LastRootMatrix = rootMatrix;
// clear and set the Depth buffer as required
if (uiComponent.IsFullScreen)
{
context.GraphicsDevice.Clear(renderingContext.DepthStencilBuffer, DepthStencilClearOptions.DepthBuffer | DepthStencilClearOptions.Stencil);
}
context.GraphicsDevice.SetDepthAndRenderTarget(renderingContext.DepthStencilBuffer, renderingContext.RenderTarget);
// start the image draw session
renderingContext.StencilTestReferenceValue = 0;
batch.Begin(ref viewParameters.ViewProjectionMatrix, context.GraphicsDevice.BlendStates.AlphaBlend, uiSystem.KeepStencilValueState, renderingContext.StencilTestReferenceValue);
// Render the UI elements in the final render target
ReccursiveDrawWithClipping(context, rootElement);
// end the image draw session
batch.End();
}
// clear the list of compacted pointer events of time frame
ClearPointerEvents();
// revert the depth stencil buffer to the default value
context.GraphicsDevice.SetDepthAndRenderTargets(CurrentRenderFrame.DepthStencil, CurrentRenderFrame.RenderTargets);
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
// TODO: Check how to integrate sprites in a Camera renderer instead of this
var viewParameters = context.Parameters;
var device = context.GraphicsDevice;
var cullMode = device.RasterizerStates.CullNone;
var viewInverse = Matrix.Invert(viewParameters.Get(TransformationKeys.View));
var viewProjection = viewParameters.Get(TransformationKeys.ViewProjection);
BlendState previousBlendState = null;
Effect previousEffect = null;
var isPicking = context.IsPicking();
bool hasBegin = false;
for (var i = fromIndex; i <= toIndex; i++)
{
var renderItem = renderItems[i];
var spriteState = (SpriteProcessor.SpriteComponentState)renderItem.DrawContext;
var spriteComp = spriteState.SpriteComponent;
var transfoComp = spriteState.TransformComponent;
var sprite = spriteComp.CurrentSprite;
if (sprite == null)
{
continue;
}
// Update the sprite batch
var blendState = isPicking ? device.BlendStates.Opaque : renderItems.HasTransparency ? (spriteComp.PremultipliedAlpha ? device.BlendStates.AlphaBlend : device.BlendStates.NonPremultiplied) : device.BlendStates.Opaque;
var currentEffect = (!isPicking && spriteComp.Tags.Get(IsEntitySelected)) ? GetOrCreateSelectedSpriteEffect(): null; // TODO remove this code when material are available
if (previousEffect != currentEffect || blendState != previousBlendState)
{
if (hasBegin)
{
sprite3DBatch.End();
}
sprite3DBatch.Begin(viewProjection, SpriteSortMode.Deferred, blendState, null, context.GraphicsDevice.DepthStencilStates.None, cullMode, currentEffect);
hasBegin = true;
}
previousEffect = currentEffect;
previousBlendState = blendState;
var sourceRegion = sprite.Region;
var texture = sprite.Texture;
var color = spriteComp.Color;
if (isPicking) // TODO move this code corresponding to picking out of the runtime code.
{
texture = device.GetSharedWhiteTexture();
color = (Color) new Color4(spriteComp.Id);
}
// skip the sprite if no texture is set.
if (texture == null)
{
continue;
}
// determine the size of the element depending on the extrusion method.
var elementSize = Vector2.One;
if (spriteComp.ExtrusionMethod == SpriteExtrusionMethod.UnitHeightSpriteRatio)
{
elementSize.X = sourceRegion.Width / sourceRegion.Height;
}
else if (spriteComp.ExtrusionMethod == SpriteExtrusionMethod.UnitWidthSpriteRatio)
{
elementSize.Y = sourceRegion.Height / sourceRegion.Width;
}
// determine the element world matrix depending on the type of sprite
var worldMatrix = transfoComp.WorldMatrix;
if (spriteComp.SpriteType == SpriteType.Billboard)
{
worldMatrix = viewInverse;
// remove scale of the camera
worldMatrix.Row1 /= ((Vector3)viewInverse.Row1).Length();
worldMatrix.Row2 /= ((Vector3)viewInverse.Row2).Length();
// set the scale of the object
worldMatrix.Row1 *= ((Vector3)transfoComp.WorldMatrix.Row1).Length();
worldMatrix.Row2 *= ((Vector3)transfoComp.WorldMatrix.Row2).Length();
// set the position
worldMatrix.TranslationVector = transfoComp.WorldMatrix.TranslationVector;
}
// draw the sprite
sprite3DBatch.Draw(texture, ref worldMatrix, ref sourceRegion, ref elementSize, ref color, sprite.Orientation, SwizzleMode.None, renderItem.Depth);
}
sprite3DBatch.End();
}
private void PrepareModels(RenderContext context, List <RenderModel> renderModels, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// If no camera, early exit
var camera = context.GetCurrentCamera();
if (camera == null)
{
return;
}
var viewProjectionMatrix = camera.ViewProjectionMatrix;
var preRenderModel = Callbacks.PreRenderModel;
var sceneCameraRenderer = context.Tags.Get(SceneCameraRenderer.Current);
var cullingMode = CullingModeOverride.HasValue ? CullingModeOverride.Value : sceneCameraRenderer != null ? sceneCameraRenderer.CullingMode : CullingMode.None;
var frustum = new BoundingFrustum(ref viewProjectionMatrix);
var cameraRenderMode = sceneCameraRenderer != null ? sceneCameraRenderer.Mode : null;
foreach (var renderModel in renderModels)
{
// If Model is null, then skip it
if (renderModel.Model == null)
{
continue;
}
if (preRenderModel != null)
{
if (!preRenderModel(context, renderModel))
{
continue;
}
}
// Always prepare the slot for the render meshes even if they are not used.
EnsureRenderMeshes(renderModel);
var meshes = PrepareModelForRendering(context, renderModel);
foreach (var renderMesh in meshes)
{
if (!renderMesh.Enabled)
{
continue;
}
// Perform frustum culling
if (cullingMode == CullingMode.Frustum)
{
// Always render meshes with unspecified bounds
// TODO: This should not be necessary. Add proper bounding boxes to gizmos etc.
if (renderMesh.BoundingBox.Extent != Vector3.Zero)
{
// Fast AABB transform: http://zeuxcg.org/2010/10/17/aabb-from-obb-with-component-wise-abs/
// Compute transformed AABB (by world)
if (!frustum.Contains(ref renderMesh.BoundingBox))
{
continue;
}
}
}
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(renderMesh.WorldMatrix.TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref viewProjectionMatrix, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
// TODO: Should this be set somewhere else?
var rasterizerState = cameraRenderMode != null?cameraRenderMode.GetDefaultRasterizerState(renderMesh.IsGeometryInverted) : null;
renderMesh.RasterizerState = RasterizerState ?? rasterizerState;
renderMesh.UpdateMaterial();
var list = renderMesh.HasTransparency ? transparentList : opaqueList;
list.Add(new RenderItem(this, renderMesh, projectedZ));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphicsRendererCollection{IEntityComponentRenderer}"/> class.
/// </summary>
public EntityComponentRendererBatch()
{
opaqueRenderItems = new RenderItemCollection(1024, false);
transparentRenderItems = new RenderItemCollection(1024, true);
}
protected abstract void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex);
protected abstract void PrepareCore(RenderContext context, RenderItemCollection opaqueList, RenderItemCollection transparentList);
private void DrawRendererInternal(RenderContext context, IEntityComponentRenderer renderer, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
var graphicsDevice = context.GraphicsDevice;
graphicsDevice.PushState();
renderer.Draw(context, renderItems, fromIndex, toIndex);
graphicsDevice.PopState();
}
private void PrepareRenderMeshes(RenderModel renderModel, List <Mesh> meshes, ref FastListStruct <RenderMesh> renderMeshes, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// Add new render meshes
for (int i = renderMeshes.Count; i < meshes.Count; i++)
{
var renderMesh = new RenderMesh(renderModel, meshes[i]);
renderMeshes.Add(renderMesh);
}
// Create the bounding frustum locally on the stack, so that frustum.Contains is performed with boundingBox that is also on the stack
var frustum = new BoundingFrustum(ref ViewProjectionMatrix);
for (int i = 0; i < renderMeshes.Count; i++)
{
var renderMesh = renderMeshes[i];
// Update the model hierarchy
var modelViewHierarchy = renderModel.ModelComponent.ModelViewHierarchy;
modelViewHierarchy.UpdateRenderMesh(renderMesh);
if (!renderMesh.Enabled)
{
continue;
}
// Upload skinning blend matrices
BoundingBoxExt boundingBox;
skinningUpdater.Update(modelViewHierarchy, renderMesh, out boundingBox);
// Fast AABB transform: http://zeuxcg.org/2010/10/17/aabb-from-obb-with-component-wise-abs/
// Compute transformed AABB (by world)
// TODO: CullingMode should be pluggable
// TODO: This should not be necessary. Add proper bounding boxes to gizmos etc.
if (CullingMode == CullingMode.Frustum && boundingBox.Extent != Vector3.Zero && !frustum.Contains(ref boundingBox))
{
continue;
}
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(renderMesh.WorldMatrix.TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref ViewProjectionMatrix, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
renderMesh.RasterizerState = renderMesh.IsGeometryInverted ? RasterizerStateForInvertedGeometry : RasterizerState;
renderMesh.UpdateMaterial();
var list = renderMesh.HasTransparency ? transparentList : opaqueList;
list.Add(new RenderItem(this, renderMesh, projectedZ));
}
}
private void PrepareModels(RenderContext context, List <RenderModel> renderModels, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
var preRenderModel = Callbacks.PreRenderModel;
foreach (var renderModel in renderModels)
{
var modelComponent = renderModel.ModelComponent;
var meshes = modelComponent.Model.Meshes;
int meshCount = meshes.Count;
if (meshCount == 0)
{
continue;
}
if (preRenderModel != null && !preRenderModel(context, renderModel))
{
continue;
}
// Always prepare the slot for the render meshes even if they are not used.
for (int i = renderModel.RenderMeshesPerEffectSlot.Count; i <= modelRenderSlot; i++)
{
renderModel.RenderMeshesPerEffectSlot.Add(new FastListStruct <RenderMesh>(meshCount));
}
PrepareRenderMeshes(renderModel, meshes, ref renderModel.RenderMeshesPerEffectSlot.Items[modelRenderSlot], opaqueList, transparentList);
}
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
// Nothing to draw for this camera
}
protected override void DrawCore(RenderContext context, RenderItemCollection renderItems, int fromIndex, int toIndex)
{
modelRenderer.Draw(context, renderItems, fromIndex, toIndex);
}
private void PrepareModels(RenderContext context, List <RenderModel> renderModels, RenderItemCollection opaqueList, RenderItemCollection transparentList)
{
// If no camera, early exit
var camera = context.GetCurrentCamera();
if (camera == null)
{
return;
}
var viewProjectionMatrix = camera.ViewProjectionMatrix;
var preRenderModel = Callbacks.PreRenderModel;
foreach (var renderModel in renderModels)
{
// If Model is null, then skip it
if (renderModel.Model == null)
{
continue;
}
if (preRenderModel != null)
{
if (!preRenderModel(context, renderModel))
{
continue;
}
}
// Always prepare the slot for the render meshes even if they are not used.
EnsureRenderMeshes(renderModel);
var meshes = PrepareModelForRendering(context, renderModel);
foreach (var renderMesh in meshes)
{
if (!renderMesh.Enabled)
{
continue;
}
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(renderMesh.Parameters.Get(TransformationKeys.World).TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref viewProjectionMatrix, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
renderMesh.UpdateMaterial();
var list = renderMesh.HasTransparency ? transparentList : opaqueList;
list.Add(new RenderItem(this, renderMesh, projectedZ));
}
}
}