public static void LoadVoxelFileAsGameObject(GameObject parent, VoxFileData voxel, int lodLevel, Shader shader)
{
try
{
var colors = CreateColor32FromPelatte(voxel.palette.values);
var texture = CreateTextureFromColor16x16(colors);
if (lodLevel <= 1)
{
foreach (var chunk in voxel.chunkChild)
{
var submesh = CreateGameObject("model", chunk.xyzi.voxels, texture, colors, 1, shader);
submesh.transform.parent = parent.transform;
submesh.transform.localPosition = Vector3.zero;
submesh.transform.localRotation = Quaternion.identity;
submesh.transform.localScale = Vector3.one;
}
}
else
{
foreach (var chunk in voxel.chunkChild)
{
for (int lod = 1; lod < lodLevel + 1; lod++)
{
var submesh = CreateGameObject("lod" + (lod - 1), chunk.xyzi.voxels.GetVoxelDataLOD(lod), texture, colors, lod, shader);
submesh.transform.parent = parent.transform;
}
var lodgroup = parent.AddComponent <LODGroup>();
var lods = lodgroup.GetLODs();
for (int i = 0; i < parent.transform.childCount; i++)
{
lods[i].renderers = new Renderer[] { parent.transform.GetChild(i).GetComponent <MeshRenderer>() }
}
;
lodgroup.SetLODs(lods);
}
}
}
catch (SystemException e)
{
Debug.LogException(e);
throw e;
}
}
public static VoxFileData Load(byte[] _data)
{
Debug.Assert(_data.Length > 0);
using (MemoryStream stream = new MemoryStream(_data))
{
using (var reader = new BinaryReader(stream))
{
VoxFileData voxel = new VoxFileData();
voxel.hdr.header = reader.ReadBytes(4);
voxel.hdr.version = reader.ReadInt32();
if (voxel.hdr.header[0] != 'V' || voxel.hdr.header[1] != 'O' || voxel.hdr.header[2] != 'X' || voxel.hdr.header[3] != ' ')
{
throw new System.Exception("Bad Token: magic number is not VOX.");
}
if (voxel.hdr.version != 150)
{
throw new System.Exception("The version of file isn't 150 that version of vox, tihs version of file is " + voxel.hdr.version + ".");
}
voxel.main.name = reader.ReadBytes(4);
voxel.main.chunkContent = reader.ReadInt32();
voxel.main.chunkNums = reader.ReadInt32();
if (voxel.main.name[0] != 'M' || voxel.main.name[1] != 'A' || voxel.main.name[2] != 'I' || voxel.main.name[3] != 'N')
{
throw new System.Exception("Bad Token: token is not MAIN.");
}
if (voxel.main.chunkContent != 0)
{
throw new System.Exception("Bad Token: chunk content is " + voxel.main.chunkContent + ", it should be 0.");
}
if (reader.PeekChar() == 'P')
{
voxel.pack.name = reader.ReadBytes(4);
if (voxel.pack.name[0] != 'P' || voxel.pack.name[1] != 'A' || voxel.pack.name[2] != 'C' || voxel.pack.name[3] != 'K')
{
throw new System.Exception("Bad Token: token is not PACK");
}
voxel.pack.chunkContent = reader.ReadInt32();
voxel.pack.chunkNums = reader.ReadInt32();
voxel.pack.modelNums = reader.ReadInt32();
if (voxel.pack.modelNums == 0)
{
throw new System.Exception("Bad Token: model nums must be greater than zero.");
}
}
else
{
voxel.pack.chunkContent = 0;
voxel.pack.chunkNums = 0;
voxel.pack.modelNums = 1;
}
voxel.chunkChild = new VoxFileChunkChild[voxel.pack.modelNums];
for (int i = 0; i < voxel.pack.modelNums; i++)
{
var chunk = new VoxFileChunkChild();
chunk.size.name = reader.ReadBytes(4);
chunk.size.chunkContent = reader.ReadInt32();
chunk.size.chunkNums = reader.ReadInt32();
chunk.size.x = reader.ReadInt32();
chunk.size.y = reader.ReadInt32();
chunk.size.z = reader.ReadInt32();
if (chunk.size.name[0] != 'S' || chunk.size.name[1] != 'I' || chunk.size.name[2] != 'Z' || chunk.size.name[3] != 'E')
{
throw new System.Exception("Bad Token: token is not SIZE");
}
if (chunk.size.chunkContent != 12)
{
throw new System.Exception("Bad Token: chunk content is " + chunk.size.chunkContent + ", it should be 12.");
}
chunk.xyzi.name = reader.ReadBytes(4);
if (chunk.xyzi.name[0] != 'X' || chunk.xyzi.name[1] != 'Y' || chunk.xyzi.name[2] != 'Z' || chunk.xyzi.name[3] != 'I')
{
throw new System.Exception("Bad Token: token is not XYZI");
}
chunk.xyzi.chunkContent = reader.ReadInt32();
chunk.xyzi.chunkNums = reader.ReadInt32();
if (chunk.xyzi.chunkNums != 0)
{
throw new System.Exception("Bad Token: chunk nums is " + chunk.xyzi.chunkNums + ", it should be 0.");
}
var voxelNums = reader.ReadInt32();
var voxels = new byte[voxelNums * 4];
if (reader.Read(voxels, 0, voxels.Length) != voxels.Length)
{
throw new System.Exception("Failed to read voxels");
}
chunk.xyzi.voxels = new VoxData(voxels, chunk.size.x, chunk.size.y, chunk.size.z);
voxel.chunkChild[i] = chunk;
}
if (reader.BaseStream.Position < reader.BaseStream.Length)
{
byte[] palette = reader.ReadBytes(4);
if (palette[0] != 'R' || palette[1] != 'G' || palette[2] != 'B' || palette[3] != 'A')
{
throw new System.Exception("Bad Token: token is not RGBA");
}
voxel.palette.chunkContent = reader.ReadInt32();
voxel.palette.chunkNums = reader.ReadInt32();
var bytePalette = new byte[voxel.palette.chunkContent];
reader.Read(bytePalette, 0, voxel.palette.chunkContent);
voxel.palette.values = new uint[voxel.palette.chunkContent / 4];
for (int i = 4; i < bytePalette.Length; i += 4)
{
voxel.palette.values[i / 4] = BitConverter.ToUInt32(bytePalette, i - 4);
}
}
else
{
voxel.palette.values = new uint[_paletteDefault.Length];
_paletteDefault.CopyTo(voxel.palette.values, 0);
}
return(voxel);
}
}
}
