public static void WriteVOXChunk(this BinaryWriter bin_writer, VOXChunk chunk)
{
bin_writer.Write(chunk.ID);
bin_writer.Write(chunk.Content_size);
bin_writer.Write(chunk.Children_size);
bin_writer.Write(chunk.content);
foreach (VOXChunk child in chunk.Childrens)
{
bin_writer.WriteVOXChunk(child);
}
}
public void CreateFile(VOXObject obj, string path = "Assets/NewModel.vox")
{
BinaryWriter bin_writer;
try {
bin_writer = new BinaryWriter(System.IO.File.Create(path));
} catch (IOException e) {
Debug.Log(e.Message + "\nCannot create file");
return;
}
//MAIN
VOXChunk main_chunk = new VOXChunk(MAIN_ID);
//SIZE
VOXChunk size_chunk = new VOXChunk(SIZE_ID);
byte[] size_x_byte = BitConverter.GetBytes(obj.size_x);
byte[] size_y_byte = BitConverter.GetBytes(obj.size_y);
byte[] size_z_byte = BitConverter.GetBytes(obj.size_z);
byte[] sizes = new byte[12];
for (int i = 0; i < 4; i++)
{
sizes[i + 0] = size_x_byte[i];
sizes[i + 4] = size_y_byte[i];
sizes[i + 8] = size_z_byte[i];
}
size_chunk.content = sizes;
main_chunk.children.Add(size_chunk);
//XYZI
VOXChunk xyzi_chunk = new VOXChunk(XYZI_ID);
List <Voxel> voxels = obj.NonEmptyVoxels;
uint nb_voxels = (uint)voxels.Count;
byte[] voxels_byte = new byte[4 * (nb_voxels + 1)];
BitConverter.GetBytes(nb_voxels).CopyTo(voxels_byte, 0);
for (int i = 0; i < nb_voxels; i++)
{
voxels[i].ToBytes().CopyTo(voxels_byte, 4 * (i + 1));
}
xyzi_chunk.content = voxels_byte;
main_chunk.children.Add(xyzi_chunk);
Color[] palette = obj.Palette;
if (palette != null)
{
VOXChunk palette_chunk = new VOXChunk(PALETTE_ID);
byte[] colors = new byte[VOXObject.PALETTE_LENGTH * 4];
byte[] byte_color;
for (int i = 0; i < VOXObject.PALETTE_LENGTH; i++)
{
byte_color = palette[i].ToBytes();
colors[4 * i + 0] = byte_color[0];
colors[4 * i + 1] = byte_color[1];
colors[4 * i + 2] = byte_color[2];
colors[4 * i + 3] = byte_color[3];
}
palette_chunk.content = colors;
main_chunk.children.Add(palette_chunk);
}
try {
bin_writer.Write(System.Text.Encoding.ASCII.GetBytes(HEADER_ID));
bin_writer.Write(VERSION);
bin_writer.WriteVOXChunk(main_chunk);
} catch (IOException e) {
Debug.Log(e.Message + "\nError writing to file");
}
/* DEPLETED
* try {
* bin_writer.Write(System.Text.Encoding.ASCII.GetBytes(header_id)); //"VOX "
* bin_writer.Write(version); //version
*
* bin_writer.Write(System.Text.Encoding.ASCII.GetBytes(main_id)); //"MAIN"
* bin_writer.Write((uint)0); //Content size of main
* bin_writer.Write((uint)
* 4 + //SIZE header
* 4 + //SIZE content size
* 4 + //SIZE children size
* 12 + //SIZE content
* 4 + //XYZI header
* 4 + //XYZI content size
* 4 + //XYZI children size
* 4*(nb_voxels+1)
* );
*
* bin_writer.Write(System.Text.Encoding.ASCII.GetBytes(size_id)); //"SIZE"
* bin_writer.Write((uint)12);
* bin_writer.Write(empty4); //Children size of SIZE
* //SIZE content: 3 x uint representing dimension length of the model
* bin_writer.Write((uint)obj.size_x);
* bin_writer.Write((uint)obj.size_y);
* bin_writer.Write((uint)obj.size_z);
*
* bin_writer.Write(System.Text.Encoding.ASCII.GetBytes(xyzi_id)); //"XYZI"
* bin_writer.Write(4*(nb_voxels+1)); //Content size of XYZI : (Nb de voxel*4) + 4
* bin_writer.Write((uint)0); //Children size of XYZI
* bin_writer.Write(nb_voxels);
*
* for(int i = 0; i < nb_voxels; i++) {
* bin_writer.Write(voxels[i].pos_x);
* bin_writer.Write(voxels[i].pos_y);
* bin_writer.Write(voxels[i].pos_z);
* bin_writer.Write(voxels[i].color);
* }
*
* } catch(IOException e) {
* Debug.Log(e.Message + "\nError writing to file");
* }*/
bin_writer.Close();
}