public static PackedLightData ToPackedLightData(DirectionalLightData data)
{
PackedLightData outData = default(PackedLightData);
outData.packedData1 = data.positionRWS;
outData.packedData1.w = (float)data.lightLayers + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData2 = data.forward;
outData.packedData2.w = data.lightDimmer;
outData.packedData3 = data.right;
outData.packedData3.w = data.volumetricLightDimmer;
outData.packedData4 = data.up;
outData.packedData4.w = data.angleScale;
outData.packedData5 = data.color;
outData.packedData5.w = data.angleOffset;
outData.packedData6 = data.shadowMaskSelector;
outData.packedData7.x = (float)data.cookieIndex + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData7.y = (float)data.tileCookie + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData7.z = (float)data.shadowIndex + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData7.w = (float)data.contactShadowIndex + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData8.x = data.shadowDimmer;
outData.packedData8.y = data.volumetricShadowDimmer;
outData.packedData8.z = (float)data.nonLightMappedOnly + Epsilon; //防止1，转换为float变成0.999999999998;
outData.packedData8.w = data.minRoughness;
outData.packedData9.x = data.diffuseDimmer;
outData.packedData9.y = data.specularDimmer;
outData.packedData9.z = 0;
outData.packedData9.w = 0;
//not use
outData.packedData10 = Vector4.zero;
outData.packedData11 = Vector4.zero;
outData.packedData12 = Vector4.zero;
outData.packedData13 = Vector4.zero;
outData.packedData14 = Vector4.zero;
return(outData);
}
public static DirectionalLightData UnPackedLightDataToDirectionalLightData(PackedLightData data)
{
DirectionalLightData outData = default(DirectionalLightData);
outData.positionRWS = data.packedData1;
outData.lightLayers = (uint)data.packedData1.w;
outData.forward = data.packedData2;
outData.lightDimmer = data.packedData2.w;
outData.right = data.packedData3;
outData.volumetricLightDimmer = data.packedData3.w;
outData.up = data.packedData4;
outData.angleScale = data.packedData4.w;
outData.color = data.packedData5;
outData.angleOffset = data.packedData5.w;
outData.shadowMaskSelector = data.packedData6;
outData.cookieIndex = (int)data.packedData7.x;
outData.tileCookie = (int)data.packedData7.y;
outData.shadowIndex = (int)data.packedData7.z;
outData.contactShadowIndex = (int)data.packedData7.w;
outData.shadowDimmer = data.packedData8.x;
outData.volumetricShadowDimmer = data.packedData8.y;
outData.nonLightMappedOnly = (int)data.packedData8.z;
outData.minRoughness = data.packedData8.w;
outData.diffuseDimmer = data.packedData9.x;
outData.specularDimmer = data.packedData9.y;
return(outData);
}