public static VoxelStruct ReadFromMagicaVoxel(System.IO.BinaryReader br)
{
VoxelStruct vs = new VoxelStruct();
// check out http://voxel.codeplex.com/wikipage?title=VOX%20Format&referringTitle=Home for the file format used below
// we're going to return a voxel chunk worth of data
//ushort[] data = new ushort[32 * 128 * 32];
VectorInt4[] palette = null;
Point[] points = null;
string vox = new string(br.ReadChars(4));
if (vox != "VOX ")
{
Debug.Log(vox);
return(vs);
}
int version = br.ReadInt32();
vs.version = version;
VectorInt3 box = new VectorInt3();
bool subsample = false;
while (br.BaseStream.Position < br.BaseStream.Length)
{
// each chunk has an ID, size and child chunks
string name = new string(br.ReadChars(4));
int size = br.ReadInt32();
int chunks = br.ReadInt32();
// Debug.LogError (chunkName);
// there are only 2 chunks we only care about, and they are SIZE and XYZI
if (name == "MAIN")
{
vs.main = new VoxelStruct.Main();
vs.main.size = size;
vs.main.name = name;
vs.main.chunks = chunks;
}
if (name == "SIZE")
{
box.x = br.ReadInt32();
box.y = br.ReadInt32();
box.z = br.ReadInt32();
vs.size = new VoxelStruct.Size();
vs.size.size = 12;
vs.size.name = name;
vs.size.chunks = chunks;
vs.size.box = box;
if (box.x > 32 || box.y > 32)
{
subsample = true;
}
br.ReadBytes(size - 4 * 3);
}
else if (name == "XYZI")
{
// XYZI contains n voxels
int count = br.ReadInt32();
//int div = (subsample ? 2 : 1);
// each voxel has x, y, z and color index values
points = new Point[count];
for (int i = 0; i < points.Length; i++)
{
points [i] = VoxelFormater.CreatePoint(br, subsample); //new Data (stream, subsample);
}
}
else if (name == "RGBA")
{
int n = size / 4;
palette = new VectorInt4[n];
for (int i = 0; i < n; i++)
{
byte r = br.ReadByte();
byte g = br.ReadByte();
byte b = br.ReadByte();
byte a = br.ReadByte();
palette[i].x = r;
palette[i].y = g;
palette[i].z = b;
palette[i].w = a;
}
vs.rgba = new VoxelStruct.Rgba();
vs.rgba.size = size;
vs.rgba.name = name;
vs.rgba.chunks = chunks;
vs.rgba.palette = palette;
}
else
{
br.ReadBytes(size); // read any excess bytes
}
}
vs.datas = CreateVoxelDatas(points, palette);
return(vs);
}
public static VoxelStruct ReadFromMagicaVoxel(System.IO.BinaryReader br)
{
VoxelStruct vs = new VoxelStruct();
VectorInt4[] palette = null;
Point[] points = null;
string vox = new string(br.ReadChars(4));
if (vox != "VOX ")
{
return(vs);
}
int version = br.ReadInt32();
vs.version = version;
VectorInt3 box = new VectorInt3();
bool subsample = false;
while (br.BaseStream.Position < br.BaseStream.Length)
{
// each chunk has an ID, size and child chunks
string name = new string(br.ReadChars(4));
int size = br.ReadInt32();
int chunks = br.ReadInt32();
// Debug.LogError (chunkName);
// there are only 2 chunks we only care about, and they are SIZE and XYZI
if (name == "MAIN")
{
vs.main = new VoxelStruct.Main();
vs.main.size = size;
vs.main.name = name;
vs.main.chunks = chunks;
}
if (name == "SIZE")
{
box.x = br.ReadInt32();
box.y = br.ReadInt32();
box.z = br.ReadInt32();
vs.size = new VoxelStruct.Size();
vs.size.size = 12;
vs.size.name = name;
vs.size.chunks = chunks;
vs.size.box = box;
if (box.x > 32 || box.y > 32)
{
subsample = true;
}
br.ReadBytes(size - 4 * 3);
}
else if (name == "XYZI")
{
int count = br.ReadInt32();
points = new Point[count];
for (int i = 0; i < points.Length; i++)
{
points [i] = VoxelFormater.CreatePoint(br, subsample); //new Data (stream, subsample);
}
}
else if (name == "RGBA")
{
int n = size / 4;
palette = new VectorInt4[n];
for (int i = 0; i < n; i++)
{
byte r = br.ReadByte();
byte g = br.ReadByte();
byte b = br.ReadByte();
byte a = br.ReadByte();
palette[i].x = r;
palette[i].y = g;
palette[i].z = b;
palette[i].w = a;
}
vs.rgba = new VoxelStruct.Rgba();
vs.rgba.size = size;
vs.rgba.name = name;
vs.rgba.chunks = chunks;
vs.rgba.palette = palette;
}
else
{
br.ReadBytes(size); // read any excess bytes
}
}
vs.datas = CreateVoxelDatas(points, palette);
return(vs);
}
