Method Draw

Source/Engine/Level/Actors/SpotLight.cpp:131–179

}

void SpotLight::Draw(RenderContext& renderContext)
{
    float brightness = ComputeBrightness();
    AdjustBrightness(renderContext.View, brightness);
    Float3 position;
    const float radius = GetScaledRadius();
    const float outerConeAngle = GetOuterConeAngle();
    if (EnumHasAnyFlags(renderContext.View.Flags, ViewFlags::SpotLights)
        && EnumHasAnyFlags(renderContext.View.Pass, DrawPass::GBuffer)
        && brightness > ZeroTolerance
        && radius > ZeroTolerance
        && outerConeAngle > ZeroTolerance
        && CheckViewDistance(renderContext.View.Position, renderContext.View.Origin, position, brightness))
    {
        RenderSpotLightData data;
        data.Position = position;
        data.MinRoughness = MinRoughness;
        data.ShadowsDistance = ShadowsDistance;
        data.Color = Color.ToFloat3() * (Color.A * brightness);
        data.ShadowsStrength = ShadowsStrength;
        data.Direction = _direction;
        data.ShadowsFadeDistance = ShadowsFadeDistance;
        data.ShadowsNormalOffsetScale = ShadowsNormalOffsetScale;
        data.ShadowsDepthBias = ShadowsDepthBias;
        data.ShadowsSharpness = ShadowsSharpness;
        data.VolumetricScatteringIntensity = VolumetricScatteringIntensity;
        data.CastVolumetricShadow = CastVolumetricShadow;
        data.ShadowsUpdateRate = ShadowsUpdateRate;
        data.ShadowsUpdateRateAtDistance = ShadowsUpdateRateAtDistance;
        data.ShadowFrame = _invalidateShadowFrame;
        data.ShadowsResolution = (int32)ShadowsResolution;
        data.ShadowsMode = ShadowsMode;
        data.Radius = radius;
        data.FallOffExponent = FallOffExponent;
        data.UseInverseSquaredFalloff = UseInverseSquaredFalloff;
        data.SourceRadius = SourceRadius;
        data.CosOuterCone = _cosOuterCone;
        data.InvCosConeDifference = _invCosConeDifference;
        data.ContactShadowsLength = ContactShadowsLength;
        data.IndirectLightingIntensity = IndirectLightingIntensity;
        data.IESTexture = IESTexture ? IESTexture->GetTexture() : nullptr;
        Float3::Transform(Float3::Up, GetOrientation(), data.UpVector);
        data.OuterConeAngle = outerConeAngle;
        data.StaticFlags = GetStaticFlags();
        data.ID = GetID();
        data.ScreenSize = Math::Min(1.0f, Math::Sqrt(RenderTools::ComputeBoundsScreenRadiusSquared(position, (float)_sphere.Radius, renderContext.View)));
        renderContext.List->SpotLights.Add(data);
    }
}

#if USE_EDITOR