/// <summary>
/// 检查是否需为属性创建纹理图集
/// </summary>
/// <param name="propertyIndex"></param>
/// <param name="considerNonTextureProperties"></param>
/// <param name="allTexturesAreNullAndSameColor"></param>
/// <returns></returns>
internal static bool _ShouldWeCreateAtlasForThisProperty(int propertyIndex,
bool considerNonTextureProperties,
CreateAtlasForProperty[] allTexturesAreNullAndSameColor)
{
CreateAtlasForProperty v = allTexturesAreNullAndSameColor[propertyIndex];
if (considerNonTextureProperties)
{
if (!v.allNonTexturePropsAreSame || !v.allTexturesAreNull)
{
return(true);
}
else
{
return(false);
}
}
else
{
if (!v.allTexturesAreNull)
{
return(true);
}
else
{
return(false);
}
}
}
/// <summary>
/// 检测所有 textures 中只有一种纹理
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
private static CreateAtlasForProperty[] CalculateAllTexturesAreNullAndSameColor(TexturePipelineData data)
{
// check if all textures are null and use same color for each atlas
// will not generate an atlas if so
CreateAtlasForProperty[] shouldWeCreateAtlasForProp = new CreateAtlasForProperty[data.texPropertyNames.Count];
for (int propIdx = 0; propIdx < data.texPropertyNames.Count; propIdx++)
{
MaterialPropTexture firstTexture = data.distinctMaterialTextures[0].ts[propIdx];
Color firstColor = Color.black;
if (data._considerNonTextureProperties)
{
firstColor = data.nonTexturePropertyBlender.GetColorAsItWouldAppearInAtlasIfNoTexture(
data.distinctMaterialTextures[0].matsAndGOs.mats[0].mat,
data.texPropertyNames[propIdx]);
}
int numTexturesExisting = 0;
int numTexturesMatchinFirst = 0;
int numNonTexturePropertiesMatchingFirst = 0;
for (int j = 0; j < data.distinctMaterialTextures.Count; j++)
{
if (!data.distinctMaterialTextures[j].ts[propIdx].isNull)
{
numTexturesExisting++;
}
if (firstTexture.AreTexturesEqual(data.distinctMaterialTextures[j].ts[propIdx]))
{
numTexturesMatchinFirst++;
}
if (data._considerNonTextureProperties)
{
Color colJ = data.nonTexturePropertyBlender.GetColorAsItWouldAppearInAtlasIfNoTexture(data.distinctMaterialTextures[j].matsAndGOs.mats[0].mat, data.texPropertyNames[propIdx]);
if (colJ == firstColor)
{
numNonTexturePropertiesMatchingFirst++;
}
}
}
shouldWeCreateAtlasForProp[propIdx].allTexturesAreNull = numTexturesExisting == 0;
shouldWeCreateAtlasForProp[propIdx].allTexturesAreSame = numTexturesMatchinFirst == data.distinctMaterialTextures.Count;
shouldWeCreateAtlasForProp[propIdx].allNonTexturePropsAreSame = numNonTexturePropertiesMatchingFirst == data.distinctMaterialTextures.Count;
Debug.Log(String.Format("AllTexturesAreNullAndSameColor prop: {0} createAtlas:{1} val:{2}",
data.texPropertyNames[propIdx].name,
_ShouldWeCreateAtlasForThisProperty(propIdx, data._considerNonTextureProperties, shouldWeCreateAtlasForProp),
shouldWeCreateAtlasForProp[propIdx]));
}
return(shouldWeCreateAtlasForProp);
}
