/// <summary>
/// Writes an entire .dds file to the temporary path using the fileName
/// </summary>
/// <param name="fileName"></param>
/// <param name="imageData"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="mipmapCount"></param>
/// <param name="dxtType"></param>
/// <param name="completedAction"></param>
public static void WriteTempDDS(string fileName, byte[] imageData, int width, int height, int mipmapCount, DXT dxtType, Action completedAction)
{
Console.WriteLine("DXT: " + dxtType.ToString());
char[] dxtArr = { 'D', 'X', '\x0', '\x0' };
int pls = imageData.Length; //Math.Max(1, (width + 3) / 4) * 8
try
{
using (FileStream stream = new FileStream($"{GetTempPath(fileName)}.dds", FileMode.Create, FileAccess.Write, FileShare.None))
{
using (BinaryWriter writer = new BinaryWriter(stream))
{
foreach (char c in new char[] { 'D', 'D', 'S', ' ' }) // DDS magic
{
writer.Write(c);
}
writer.Write(124); // size of DDS header
writer.Write(659463); // flags
writer.Write(height); // height
writer.Write(width); // width
writer.Write(pls); // pitch or linear size
writer.Write(0); // depth
writer.Write(1); // mipmap count, "1" for now
for (int i = 0; i < 11; i++) // reserved
{
writer.Write(0);
}
writer.Write(32); // size of PIXELFORMAT chunk
if (dxtType == 0 ? false : (int)dxtType != 7) // flags
{
writer.Write(4);
}
else
{
writer.Write(64);
}
foreach (char c in DXTExtensions.GetDXTAsChars((int)dxtType)) // DXT type/four CC
{
writer.Write(c);
}
for (int n = 0; n < 5; n++) // RGBBitCount, RBitMask, GBitMask, BBitMask, ABitMask
{
writer.Write(0);
}
writer.Write(4198408); // caps
for (int i = 0; i < 4; i++) // caps2, caps3, caps4, reserved2
{
writer.Write(0);
}
if (dxtType.ToString().Contains("DX10")) // add the DX10 header, if necessary
{
string fileNameNoExt = Path.GetFileNameWithoutExtension(fileName);
if (fileNameNoExt.Contains("NormalMap") || fileNameNoExt.EndsWith("_Map")) // this stays until I devise a better tactic
{
writer.Write(98); // normal maps
}
else
{
writer.Write(72); // all others use BC1_UNORM_SRGB
}
writer.Write(3); // resourceDimension
writer.Write(0); // miscFlags
writer.Write(1); // array size
writer.Write(0); // miscFlags2
}
writer.Write(imageData); // image data
}
}
}
catch (IOException e)
{
MessageBox.Show($"Could not create a dds file due an error:\n{e.Message}", "Failure");
}
completedAction();
}
/// <summary>
/// Writes an entire .dds file to the temporary path using the fileName
/// </summary>
/// <param name="fileName"></param>
/// <param name="imageData"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="mipmapCount"></param>
/// <param name="dxtType"></param>
/// <param name="completedAction"></param>
public static void WriteTempDDS(string fileName, byte[] imageData, int width, int height, int mipmapCount, DXT dxtType, Action completedAction)
{
Console.WriteLine("DXT: " + dxtType.ToString());
char[] dxtArr = { 'D', 'X', '\x0', '\x0' };
try
{
using (FileStream stream = new FileStream($"{GetTempPath(fileName)}.dds", FileMode.Create, FileAccess.Write, FileShare.None))
{
using (BinaryWriter writer = new BinaryWriter(stream))
{
foreach (char c in new char[] { 'D', 'D', 'S', ' ' }) // DDS magic
{
writer.Write(c);
}
writer.Write(BitConverter.GetBytes(124)); // size of DDS header
writer.Write(new byte[] { 0x7, 0x10, 0x8, 0x0 }); // flags
writer.Write(height); // height
writer.Write(width); // width
writer.Write(BitConverter.GetBytes(2048)); // pitch or linear size
writer.Write(1); // depth
writer.Write(1); // mipmap count, "1" for now
for (int i = 0; i < 11; i++) // reserved
{
writer.Write(0);
}
// DDS_PIXELFORMAT
writer.Write(32); // size of PIXELFORMAT
if (dxtType == 0 ? false : (int)dxtType != 7) // flags
{
writer.Write(BitConverter.GetBytes(4));
}
else
{
writer.Write(BitConverter.GetBytes(64));
}
foreach (char c in DXTExtensions.GetDXTAsChars((int)dxtType)) // DXT type/four CC
{
writer.Write(c);
}
for (int n = 0; n < 5; n++) // RGBBitCount, RBitMask, GBitMask, BBitMask, ABitMask
{
writer.Write(0);
}
writer.Write(4198408); // caps
for (int i = 0; i < 4; i++) // caps2, caps3, caps4, reserved2
{
writer.Write(0);
}
// DDS_HEADER_DX10
if (dxtType.ToString().Contains("DX10")) // add the DX10 header, if necessary
{
string fileNameNoExt = Path.GetFileNameWithoutExtension(fileName);
if (fileNameNoExt.Contains("NormalMap") || fileNameNoExt.EndsWith("_Map")) // this stays until I devise a better tactic
{
writer.Write(BitConverter.GetBytes(98)); // BC7_UNORM (normal maps)
}
else if (false)
{
writer.Write(BitConverter.GetBytes(71)); // BC1_UNORM (mask maps)
}
else
{
writer.Write(BitConverter.GetBytes(72)); // BC1_UNORM_SRGB
}
writer.Write(BitConverter.GetBytes(3)); // resource dimension
writer.Write(0); // misc flags
writer.Write(BitConverter.GetBytes(1)); // array size
writer.Write(0); // misc flags 2
}
// image data
writer.Write(imageData);
}
}
}
catch (IOException e)
{
Message.Fail("Could not create a DDS file. " + e.Message + e.StackTrace);
}
completedAction();
}