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**Add Box Projection to Environment Probe** for better indoor areas

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This commit is contained in:
Wojtek Figat
2026-01-14 09:49:01 +01:00
parent b7e32e13ab
commit 18778aa511
15 changed files with 176 additions and 78 deletions
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48
Source/Engine/Level/Actors/EnvironmentProbe.cpp
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@@ -14,6 +14,7 @@
#include "Engine/Content/Deprecated.h"
#include "Engine/ContentExporters/AssetExporters.h"
#include "Engine/ContentImporters/AssetsImportingManager.h"
#include "Engine/Core/Math/OrientedBoundingBox.h"
#include "Engine/Graphics/RenderTools.h"
#include "Engine/Serialization/Serialization.h"
#include "Engine/Level/Scene/Scene.h"
@@ -22,6 +23,7 @@ EnvironmentProbe::EnvironmentProbe(const SpawnParams& params)
: Actor(params)
, _radius(3000.0f)
, _isUsingCustomProbe(false)
, BoxProjection(false)
{
_drawCategory = SceneRendering::PreRender;
_sphere = BoundingSphere(Vector3::Zero, _radius);
@@ -48,11 +50,6 @@ void EnvironmentProbe::SetRadius(float value)
UpdateBounds();
}
float EnvironmentProbe::GetScaledRadius() const
{
return _radius * _transform.Scale.MaxValue();
}
GPUTexture* EnvironmentProbe::GetProbe() const
{
return _probe ? _probe->GetTexture() : _probeTexture;
@@ -169,8 +166,16 @@ void EnvironmentProbe::SetProbeData(TextureData& data)
void EnvironmentProbe::UpdateBounds()
{
_sphere = BoundingSphere(GetPosition(), GetScaledRadius());
BoundingBox::FromSphere(_sphere, _box);
if (BoxProjection)
{
OrientedBoundingBox(_radius, _transform).GetBoundingBox(_box);
BoundingSphere::FromBox(_box, _sphere);
}
else
{
_sphere = BoundingSphere(_transform.Translation, _radius * _transform.Scale.MaxValue());
BoundingBox::FromSphere(_sphere, _box);
}
if (_sceneRenderingKey != -1)
GetSceneRendering()->UpdateActor(this, _sceneRenderingKey, ISceneRenderingListener::Bounds);
}
@@ -183,7 +188,7 @@ void EnvironmentProbe::Draw(RenderContext& renderContext)
{
// Size culling
const Float3 position = _sphere.Center - renderContext.View.Origin;
const float radius = GetScaledRadius();
const float radius = _sphere.Radius;
const float drawMinScreenSize = 0.02f;
const auto lodView = (renderContext.LodProxyView ? renderContext.LodProxyView : &renderContext.View);
const float screenRadiusSquared = RenderTools::ComputeBoundsScreenRadiusSquared(position, radius, *lodView) * renderContext.View.ModelLODDistanceFactorSqrt;
@@ -200,10 +205,17 @@ void EnvironmentProbe::Draw(RenderContext& renderContext)
RenderEnvironmentProbeData data;
data.Texture = texture;
data.Position = position;
data.Radius = radius;
data.Radius = _radius;
data.Brightness = Brightness;
data.SortOrder = SortOrder;
data.HashID = GetHash(_id);
data.BlendDistance = Math::Clamp(BlendDistance, 0.001f, _radius * _transform.Scale.MinValue());
data.BoxProjection = BoxProjection;
if (data.BoxProjection)
{
data.Orientation = _transform.Orientation;
data.Scale = _transform.Scale;
}
renderContext.List->EnvironmentProbes.Add(data);
}
}
@@ -216,7 +228,19 @@ void EnvironmentProbe::Draw(RenderContext& renderContext)
void EnvironmentProbe::OnDebugDrawSelected()
{
// Draw influence range
DEBUG_DRAW_WIRE_SPHERE(_sphere, Color::CornflowerBlue, 0, true);
auto rangeColor = Color::CornflowerBlue;
auto rangeColorAlpha = rangeColor.AlphaMultiplied(0.2f);
if (BoxProjection)
{
OrientedBoundingBox box(_radius, _transform);
DEBUG_DRAW_WIRE_BOX(box, rangeColorAlpha, 0, false);
DEBUG_DRAW_WIRE_BOX(box, rangeColor, 0, true);
}
else
{
DEBUG_DRAW_WIRE_SPHERE(_sphere, rangeColorAlpha, 0, false);
DEBUG_DRAW_WIRE_SPHERE(_sphere, rangeColor, 0, true);
}
// Draw capture point (if offset)
if (!CaptureOffset.IsZero())
@@ -245,7 +269,9 @@ void EnvironmentProbe::Serialize(SerializeStream& stream, const void* otherObj)
SERIALIZE_MEMBER(Radius, _radius);
SERIALIZE(CubemapResolution);
SERIALIZE(BoxProjection);
SERIALIZE(Brightness);
SERIALIZE(BlendDistance);
SERIALIZE(SortOrder);
SERIALIZE(UpdateMode);
SERIALIZE(CaptureNearPlane);
@@ -261,7 +287,9 @@ void EnvironmentProbe::Deserialize(DeserializeStream& stream, ISerializeModifier
DESERIALIZE_MEMBER(Radius, _radius);
DESERIALIZE(CubemapResolution);
DESERIALIZE(BoxProjection);
DESERIALIZE(Brightness);
DESERIALIZE(BlendDistance);
DESERIALIZE(SortOrder);
DESERIALIZE(UpdateMode);
DESERIALIZE(CaptureNearPlane);