private static int GetNumberOfTextures(Shader shader)
{
int num = 0;
int propertyCount = ShaderUtil.GetPropertyCount(shader);
for (int i = 0; i < propertyCount; i++)
{
if (ShaderUtil.GetPropertyType(shader, i) == ShaderUtil.ShaderPropertyType.TexEnv)
{
num++;
}
}
return num;
}