private IEnumerable <NtObject> CreateDirectoriesAndObject()
{
if (Close)
{
throw new ArgumentException("Can't use CreateDirectories and Close at the same time");
}
DisposableList <NtObject> objects = new DisposableList <NtObject>();
string[] path_parts = ResolvePath().Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries);
StringBuilder builder = new StringBuilder();
bool finished = false;
if (Root == null)
{
builder.Append(@"\");
}
try
{
for (int i = 0; i < path_parts.Length - 1; ++i)
{
builder.Append(path_parts[i]);
NtDirectory dir = null;
try
{
dir = NtDirectory.Create(builder.ToString(), Root, DirectoryAccessRights.MaximumAllowed);
}
catch (NtException)
{
}
if (dir != null)
{
objects.Add(dir);
}
builder.Append(@"\");
}
objects.Add((NtObject)CreateObject(ResolvePath(), AttributeFlags, Root, SecurityQualityOfService, SecurityDescriptor));
finished = true;
}
finally
{
if (!finished)
{
objects.Dispose();
objects.Clear();
}
}
return(objects.ToArray());
}
static Texture CreateTextureFromImage(string path, string textureName, TextureSettings textureSettings, bool isDecalsWad)
{
// Load the main texture image, and any available mipmap images:
using (var images = new DisposableList <Image <Rgba32> >(GetMipmapFilePaths(path).Prepend(path)
.Select(imagePath => File.Exists(imagePath) ? ImageReading.ReadImage(imagePath) : null)))
{
// Verify image sizes:
if (images[0].Width % 16 != 0 || images[0].Height % 16 != 0)
{
throw new InvalidDataException($"Texture '{path}' width or height is not a multiple of 16.");
}
for (int i = 1; i < images.Count; i++)
{
if (images[i] != null && (images[i].Width != images[0].Width >> i || images[i].Height != images[0].Height >> i))
{
throw new InvalidDataException($"Mipmap {i} for texture '{path}' width or height does not match texture size.");
}
}
if (isDecalsWad)
{
return(CreateDecalTexture(textureName, images.ToArray(), textureSettings));
}
var filename = Path.GetFileName(path);
var isTransparentTexture = filename.StartsWith("{");
var isAnimatedTexture = AnimatedTextureNameRegex.IsMatch(filename);
var isWaterTexture = filename.StartsWith("!");
// Create a suitable palette, taking special texture types into account:
var transparencyThreshold = isTransparentTexture ? Clamp(textureSettings.TransparencyThreshold ?? 128, 0, 255) : 0;
Func <Rgba32, bool> isTransparentPredicate = null;
if (textureSettings.TransparencyColor != null)
{
var transparencyColor = textureSettings.TransparencyColor.Value;
isTransparentPredicate = color => color.A < transparencyThreshold || (color.R == transparencyColor.R && color.G == transparencyColor.G && color.B == transparencyColor.B);
}
else
{
isTransparentPredicate = color => color.A < transparencyThreshold;
}
var colorHistogram = ColorQuantization.GetColorHistogram(images.Where(image => image != null), isTransparentPredicate);
var maxColors = 256 - (isTransparentTexture ? 1 : 0) - (isWaterTexture ? 2 : 0);
var colorClusters = ColorQuantization.GetColorClusters(colorHistogram, maxColors);
// Always make sure we've got a 256-color palette (some tools can't handle smaller palettes):
if (colorClusters.Length < maxColors)
{
colorClusters = colorClusters
.Concat(Enumerable
.Range(0, maxColors - colorClusters.Length)
.Select(i => (new Rgba32(), new[] { new Rgba32() })))
.ToArray();
}
// Make palette adjustments for special textures:
if (isWaterTexture)
{
var fogColor = textureSettings.WaterFogColor ?? ColorQuantization.GetAverageColor(colorHistogram);
var fogIntensity = new Rgba32((byte)Clamp(textureSettings.WaterFogColor?.A ?? (int)((1f - GetBrightness(fogColor)) * 255), 0, 255), 0, 0);
colorClusters = colorClusters.Take(3)
.Append((fogColor, new[] { fogColor })) // Slot 3: water fog color
.Append((fogIntensity, new[] { fogIntensity })) // Slot 4: fog intensity (stored in red channel)
.Concat(colorClusters.Skip(3))
.ToArray();
}
if (isTransparentTexture)
{
var colorKey = new Rgba32(0, 0, 255);
colorClusters = colorClusters
.Append((colorKey, new[] { colorKey })) // Slot 255: used for transparent pixels
.ToArray();
}
// Create the actual palette, and a color index lookup cache:
var palette = colorClusters
.Select(cluster => cluster.Item1)
.ToArray();
var colorIndexMappingCache = new Dictionary <Rgba32, int>();
for (int i = 0; i < colorClusters.Length; i++)
{
(_, var colors) = colorClusters[i];
foreach (var color in colors)
{
colorIndexMappingCache[color] = i;
}
}
// Create any missing mipmaps:
for (int i = 1; i < images.Count; i++)
{
if (images[i] == null)
{
images[i] = images[0].Clone(context => context.Resize(images[0].Width >> i, images[0].Height >> i));
}
}
// Create texture data:
var textureData = images
.Select(image => CreateTextureData(image, palette, colorIndexMappingCache, textureSettings, isTransparentPredicate, disableDithering: isAnimatedTexture))
.ToArray();
return(Texture.CreateMipmapTexture(
name: textureName,
width: images[0].Width,
height: images[0].Height,
imageData: textureData[0],
palette: palette,
mipmap1Data: textureData[1],
mipmap2Data: textureData[2],
mipmap3Data: textureData[3]));
}
}
