static uint GetLightMaterialIndex(Light2D light, bool isVolume)
{
int bitIndex = 0;
uint volumeBit = isVolume ? 1u << bitIndex : 0u;
bitIndex++;
uint shapeBit = light.IsShapeLight() ? 1u << bitIndex : 0u;
bitIndex++;
uint additiveBit = light.alphaBlendOnOverlap ? 0u : 1u << bitIndex;
bitIndex++;
uint spriteBit = light.lightType == Light2D.LightType.Sprite ? 1u << bitIndex : 0u;
bitIndex++;
uint pointCookieBit = (!light.IsShapeLight() && light.lightCookieSprite != null && light.lightCookieSprite.texture != null) ? 1u << bitIndex : 0u;
bitIndex++;
uint pointFastQualityBit = (!light.IsShapeLight() && light.pointLightQuality == Light2D.PointLightQuality.Fast) ? 1u << bitIndex : 0u;
bitIndex++;
uint useNormalMap = light.useNormalMap ? 1u << bitIndex : 0u;
return(pointFastQualityBit | pointCookieBit | spriteBit | additiveBit | shapeBit | volumeBit | useNormalMap);
}
static uint GetLightMaterialIndex(Light2D light, bool isVolume)
{
int bitIndex = 0;
uint volumeBit = isVolume ? 1u << bitIndex : 0u;
bitIndex++;
uint shapeBit = light.IsShapeLight() ? 1u << bitIndex : 0u;
bitIndex++;
uint additiveBit = (light.IsShapeLight() && light.shapeLightOverlapMode == Light2D.LightOverlapMode.Additive) ? 1u << bitIndex : 0u;
bitIndex++;
uint spriteBit = light.lightType == Light2D.LightType.Sprite ? 1u << bitIndex : 0u;
bitIndex++;
uint pointCookieBit = (!light.IsShapeLight() && light.lightCookieSprite != null && light.lightCookieSprite.texture != null) ? 1u << bitIndex : 0u;
bitIndex++;
uint pointFastQualityBit = (!light.IsShapeLight() && light.pointLightQuality == Light2D.PointLightQuality.Fast) ? 1u << bitIndex : 0u;
return(pointFastQualityBit | pointCookieBit | spriteBit | additiveBit | shapeBit | volumeBit);
}
static Material CreateLightMaterial(Light2D light, bool isVolume)
{
bool isShape = light.IsShapeLight();
Material material;
if (isVolume)
{
material = CoreUtils.CreateEngineMaterial(isShape ? s_RendererData.shapeLightVolumeShader : s_RendererData.pointLightVolumeShader);
}
else
{
material = CoreUtils.CreateEngineMaterial(isShape ? s_RendererData.shapeLightShader : s_RendererData.pointLightShader);
if (!light.alphaBlendOnOverlap)
{
SetBlendModes(material, BlendMode.One, BlendMode.One);
material.EnableKeyword(k_UseAdditiveBlendingKeyword);
}
else
{
SetBlendModes(material, BlendMode.SrcAlpha, BlendMode.OneMinusSrcAlpha);
}
}
if (light.lightType == Light2D.LightType.Sprite)
{
material.EnableKeyword(k_SpriteLightKeyword);
}
if (!isShape && light.lightCookieSprite != null && light.lightCookieSprite.texture != null)
{
material.EnableKeyword(k_UsePointLightCookiesKeyword);
}
if (!isShape && light.pointLightQuality == Light2D.PointLightQuality.Fast)
{
material.EnableKeyword(k_LightQualityFastKeyword);
}
if (light.useNormalMap)
{
material.EnableKeyword(k_UseNormalMap);
}
return(material);
}
