/// <summary>
/// Given a BSP file and a WAD list, returns a list of textures that are referenced by the map
/// The returned textures contain texture data
/// </summary>
/// <param name="bspFile"></param>
/// <param name="wadList"></param>
/// <returns></returns>
public static List <MipTexture> GetUsedTextures(BSPFile bspFile, WADList wadList)
{
if (bspFile == null)
{
throw new ArgumentNullException(nameof(bspFile));
}
if (wadList == null)
{
throw new ArgumentNullException(nameof(wadList));
}
//BSP files contain a list of used textures, so we can just use that to filter out the ones we need
//In the event that BSP files contain unused textures, we'd need to make a list of all used textures from the faces and then filter with that
var names = bspFile.MipTextures;
var usedTextures = new List <MipTexture>();
foreach (var name in names)
{
var used = wadList.FindTexture(name.Name);
//Non-embedded textures can be missing if the WAD file was not provided
if (used != null)
{
usedTextures.Add(used);
}
}
return(usedTextures);
}
/// <summary>
/// Creates a WAD file from a BSP file's embedded textures
/// The WAD file will be backed by the BSP file's textures, and changes will be reflected
/// </summary>
/// <param name="bspFile"></param>
/// <returns></returns>
public static WADFile CreateWADFromBSP(BSPFile bspFile)
{
if (bspFile == null)
{
throw new ArgumentNullException(nameof(bspFile));
}
return(new WADFile
{
Version = WADVersion.WAD3,
MipTextures = bspFile.MipTextures.Where(t => t.Data[0] != null).ToList()
});
}