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;
}
static void RenderLightVolume(
CommandBuffer cmd,
Material debugLightVolumeMaterial,
HDAdditionalLightData currentHDRLight,
Light currentLegacyLight,
MaterialPropertyBlock mpb)
{
Matrix4x4 positionMat = Matrix4x4.Translate(currentLegacyLight.transform.position);
switch (currentHDRLight.ComputeLightType(currentLegacyLight))
{
case HDLightType.Point:
mpb.SetColor(_ColorShaderID, new Color(0.0f, 0.5f, 0.0f, 1.0f));
mpb.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
mpb.SetVector(_RangeShaderID, new Vector3(currentLegacyLight.range, currentLegacyLight.range, currentLegacyLight.range));
cmd.DrawMesh(DebugShapes.instance.RequestSphereMesh(), positionMat, debugLightVolumeMaterial, 0, 0, mpb);
break;
case HDLightType.Spot:
switch (currentHDRLight.spotLightShape)
{
case SpotLightShape.Cone:
float bottomRadius = Mathf.Tan(currentLegacyLight.spotAngle * Mathf.PI / 360.0f) * currentLegacyLight.range;
mpb.SetColor(_ColorShaderID, new Color(1.0f, 0.5f, 0.0f, 1.0f));
mpb.SetVector(_RangeShaderID, new Vector3(bottomRadius, bottomRadius, currentLegacyLight.range));
mpb.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestConeMesh(), currentLegacyLight.gameObject.transform.localToWorldMatrix, debugLightVolumeMaterial, 0, 0, mpb);
break;
case SpotLightShape.Box:
mpb.SetColor(_ColorShaderID, new Color(1.0f, 0.5f, 0.0f, 1.0f));
mpb.SetVector(_RangeShaderID, new Vector3(currentHDRLight.shapeWidth, currentHDRLight.shapeHeight, currentLegacyLight.range));
mpb.SetVector(_OffsetShaderID, new Vector3(0, 0, currentLegacyLight.range / 2.0f));
cmd.DrawMesh(DebugShapes.instance.RequestBoxMesh(), currentLegacyLight.gameObject.transform.localToWorldMatrix, debugLightVolumeMaterial, 0, 0, mpb);
break;
case SpotLightShape.Pyramid:
float bottomWidth = Mathf.Tan(currentLegacyLight.spotAngle * Mathf.PI / 360.0f) * currentLegacyLight.range;
mpb.SetColor(_ColorShaderID, new Color(1.0f, 0.5f, 0.0f, 1.0f));
mpb.SetVector(_RangeShaderID, new Vector3(currentHDRLight.aspectRatio * bottomWidth * 2, bottomWidth * 2, currentLegacyLight.range));
mpb.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
cmd.DrawMesh(DebugShapes.instance.RequestPyramidMesh(), currentLegacyLight.gameObject.transform.localToWorldMatrix, debugLightVolumeMaterial, 0, 0, mpb);
break;
}
break;
case HDLightType.Area:
switch (currentHDRLight.areaLightShape)
{
case AreaLightShape.Rectangle:
mpb.SetColor(_ColorShaderID, new Color(0.0f, 1.0f, 1.0f, 1.0f));
mpb.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
mpb.SetVector(_RangeShaderID, new Vector3(currentLegacyLight.range, currentLegacyLight.range, currentLegacyLight.range));
cmd.DrawMesh(DebugShapes.instance.RequestSphereMesh(), positionMat, debugLightVolumeMaterial, 0, 0, mpb);
break;
case AreaLightShape.Tube:
mpb.SetColor(_ColorShaderID, new Color(1.0f, 0.0f, 0.5f, 1.0f));
mpb.SetVector(_OffsetShaderID, new Vector3(0, 0, 0));
mpb.SetVector(_RangeShaderID, new Vector3(currentLegacyLight.range, currentLegacyLight.range, currentLegacyLight.range));
cmd.DrawMesh(DebugShapes.instance.RequestSphereMesh(), positionMat, debugLightVolumeMaterial, 0, 0, mpb);
break;
default:
break;
}
break;
}
}