// SCR_ScreenShot_f
static void ScreenShot_f()
{
//
// find a file name to save it to
//
string path = null;
int i;
for (i = 0; i <= 999; i++)
{
path = Path.Combine(Common.GameDir, String.Format("quake{0:D3}.tga", i));
if (Sys.GetFileTime(path) == DateTime.MinValue)
{
break; // file doesn't exist
}
}
if (i == 100)
{
Con.Print("SCR_ScreenShot_f: Couldn't create a file\n");
return;
}
FileStream fs = Sys.FileOpenWrite(path, true);
if (fs == null)
{
Con.Print("SCR_ScreenShot_f: Couldn't create a file\n");
return;
}
using (BinaryWriter writer = new BinaryWriter(fs))
{
// Write tga header (18 bytes)
writer.Write((ushort)0);
writer.Write((byte)2); //buffer[2] = 2; uncompressed type
writer.Write((byte)0);
writer.Write((uint)0);
writer.Write((uint)0);
writer.Write((byte)(glWidth & 0xff));
writer.Write((byte)(glWidth >> 8));
writer.Write((byte)(glHeight & 0xff));
writer.Write((byte)(glHeight >> 8));
writer.Write((byte)24); // pixel size
writer.Write((ushort)0);
byte[] buffer = new byte[glWidth * glHeight * 3];
GL.ReadPixels(glX, glY, glWidth, glHeight, PixelFormat.Rgb, PixelType.UnsignedByte, buffer);
// swap 012 to 102
int c = glWidth * glHeight * 3;
for (i = 0; i < c; i += 3)
{
byte temp = buffer[i + 0];
buffer[i + 0] = buffer[i + 1];
buffer[i + 1] = temp;
}
writer.Write(buffer, 0, buffer.Length);
}
Con.Print("Wrote {0}\n", Path.GetFileName(path));
}