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Add relative-to-camera rendering for large worlds

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Wojtek Figat
2022-06-21 20:03:13 +02:00
parent f3bd0e469c
commit 134c8b99aa
35 changed files with 331 additions and 195 deletions
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33
Source/Engine/Graphics/RenderView.cpp
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@@ -1,6 +1,7 @@
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
#include "RenderView.h"
#include "Engine/Level/LargeWorlds.h"
#include "Engine/Level/Actors/Camera.h"
#include "Engine/Renderer/RenderList.h"
#include "Engine/Renderer/RendererPass.h"
@@ -70,6 +71,8 @@ void RenderView::PrepareCache(RenderContext& renderContext, float width, float h
TemporalAAJitter.X = temporalAAJitter.X;
TemporalAAJitter.Y = temporalAAJitter.Y;
WorldPosition = Origin + Position;
// Ortho views have issues with screen size LOD culling
const float modelLODDistanceFactor = (renderContext.LodProxyView ? renderContext.LodProxyView->IsOrthographicProjection() : IsOrthographicProjection()) ? 100.0f : ModelLODDistanceFactor;
ModelLODDistanceFactorSqrt = modelLODDistanceFactor * modelLODDistanceFactor;
@@ -161,31 +164,15 @@ void RenderView::SetProjector(float nearPlane, float farPlane, const Float3& pos
CullingFrustum = Frustum;
}
void RenderView::CopyFrom(Camera* camera)
{
Position = camera->GetPosition();
Direction = camera->GetDirection();
Near = camera->GetNearPlane();
Far = camera->GetFarPlane();
View = camera->GetView();
Projection = camera->GetProjection();
NonJitteredProjection = Projection;
Frustum = camera->GetFrustum();
Matrix::Invert(View, IV);
Matrix::Invert(Projection, IP);
Frustum.GetInvMatrix(IVP);
CullingFrustum = Frustum;
RenderLayersMask = camera->RenderLayersMask;
}
void RenderView::CopyFrom(Camera* camera, Viewport* viewport)
{
Position = camera->GetPosition();
const Vector3 cameraPos = camera->GetPosition();
LargeWorlds::UpdateOrigin(Origin, cameraPos);
Position = cameraPos - Origin;
Direction = camera->GetDirection();
Near = camera->GetNearPlane();
Far = camera->GetFarPlane();
View = camera->GetView();
camera->GetMatrices(View, Projection, *viewport);
camera->GetMatrices(View, Projection, viewport ? *viewport : camera->GetViewport(), Origin);
Frustum.SetMatrix(View, Projection);
NonJitteredProjection = Projection;
Matrix::Invert(View, IV);
@@ -211,3 +198,9 @@ DrawPass RenderView::GetShadowsDrawPassMask(ShadowsCastingMode shadowsMode) cons
return DrawPass::All;
}
}
void RenderView::GetWorldMatrix(const Transform& transform, Matrix& world) const
{
const Vector3 translation = transform.Translation - Origin;
Matrix::Transformation(transform.Scale, transform.Orientation, translation, world);
}