internal static void ConvertLightIntensity(LightUnit oldLightUnit, LightUnit newLightUnit, HDAdditionalLightData hdLight, Light light)
{
float intensity = hdLight.intensity;
float luxAtDistance = hdLight.luxAtDistance;
HDLightType lightType = hdLight.ComputeLightType(light);
// For punctual lights
if (lightType != HDLightType.Area)
{
// Lumen ->
if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Candela)
{
intensity = LightUtils.ConvertPunctualLightLumenToCandela(lightType, intensity, light.intensity, hdLight.enableSpotReflector);
}
else if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Lux)
{
intensity = LightUtils.ConvertPunctualLightLumenToLux(lightType, intensity, light.intensity, hdLight.enableSpotReflector, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertPunctualLightLumenToEv(lightType, intensity, light.intensity, hdLight.enableSpotReflector);
}
// Candela ->
else if (oldLightUnit == LightUnit.Candela && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertPunctualLightCandelaToLumen(lightType, hdLight.spotLightShape, intensity, hdLight.enableSpotReflector, light.spotAngle, hdLight.aspectRatio);
}
else if (oldLightUnit == LightUnit.Candela && newLightUnit == LightUnit.Lux)
{
intensity = LightUtils.ConvertCandelaToLux(intensity, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Candela && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertCandelaToEv(intensity);
}
// Lux ->
else if (oldLightUnit == LightUnit.Lux && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertPunctualLightLuxToLumen(lightType, hdLight.spotLightShape, intensity, hdLight.enableSpotReflector,
light.spotAngle, hdLight.aspectRatio, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Lux && newLightUnit == LightUnit.Candela)
{
intensity = LightUtils.ConvertLuxToCandela(intensity, hdLight.luxAtDistance);
}
else if (oldLightUnit == LightUnit.Lux && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertLuxToEv(intensity, hdLight.luxAtDistance);
}
// EV100 ->
else if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertPunctualLightEvToLumen(lightType, hdLight.spotLightShape, intensity, hdLight.enableSpotReflector,
light.spotAngle, hdLight.aspectRatio);
}
else if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Candela)
{
intensity = LightUtils.ConvertEvToCandela(intensity);
}
else if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Lux)
{
intensity = LightUtils.ConvertEvToLux(intensity, hdLight.luxAtDistance);
}
}
else // For area lights
{
if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Nits)
{
intensity = LightUtils.ConvertAreaLightLumenToLuminance(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
if (oldLightUnit == LightUnit.Nits && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertAreaLightLuminanceToLumen(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
if (oldLightUnit == LightUnit.Nits && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertLuminanceToEv(intensity);
}
if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Nits)
{
intensity = LightUtils.ConvertEvToLuminance(intensity);
}
if (oldLightUnit == LightUnit.Ev100 && newLightUnit == LightUnit.Lumen)
{
intensity = LightUtils.ConvertAreaLightEvToLumen(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
if (oldLightUnit == LightUnit.Lumen && newLightUnit == LightUnit.Ev100)
{
intensity = LightUtils.ConvertAreaLightLumenToEv(hdLight.areaLightShape, intensity, hdLight.shapeWidth, hdLight.shapeHeight);
}
}
hdLight.intensity = intensity;
}
