public static RiffChunk CreateLayrChunk(int number)
{
RiffChunk chunkResult = new RiffChunk("LAYR");
chunkResult.addData(new IntChunkData(number));
List <(string, string)> dict = new List <(string, string)>();
dict.Add(("name_", number.ToString()));
chunkResult.addData(new DictChunkData(dict)); //presumably has to include dictionary with name
chunkResult.addData(new IntChunkData(-1)); //Reserved field
return(chunkResult);
}
//Might not be needed. Create 256 identical material chunks
public static RiffChunk CreateMatlChunk(int matlID)
{
RiffChunk matlChunk = new RiffChunk("MATL");
matlChunk.addData(new IntChunkData(matlID));
List <(string, string)> dict = new List <(string, string)>();
dict.Add(("_type", "_diffuse")); //Copy of what the 3x3x3 file has
dict.Add(("_weight", "1"));
dict.Add(("_rough", "0.1"));
dict.Add(("_spec", "0.5"));
dict.Add(("_spec_p", "0.5"));
dict.Add(("_ior", "0.3"));
dict.Add(("_att", "0"));
dict.Add(("_g0", "-0.5"));
dict.Add(("_g1", "0.8"));
dict.Add(("_gw", "0.7"));
dict.Add(("_flux", "0"));
dict.Add(("_idr", "0"));
matlChunk.addData(new DictChunkData(dict));
return(matlChunk);
}
public RiffChunk getPaletteChunk()
{
RiffChunk resultChunk = new RiffChunk("RGBA");
for (int i = 1; i < paletteOffset; i++)
{
//Add completely white pixels for the reserved indexes
resultChunk.addData(new ByteChunkData(255));
resultChunk.addData(new ByteChunkData(255));
resultChunk.addData(new ByteChunkData(255));
resultChunk.addData(new ByteChunkData(255));
}
foreach (RGBColor color in palette)
{
//RGBA
resultChunk.addData(new ByteChunkData(color.red));
resultChunk.addData(new ByteChunkData(color.green));
resultChunk.addData(new ByteChunkData(color.blue));
resultChunk.addData(new ByteChunkData(255)); //Magicavoxel doesn't seem to use this, but keeps all of them at 255
}
for (int i = paletteOffset + palette.Count; i < 255; i++)
{
//Add completely white pixels to the rest of the palette
resultChunk.addData(new ByteChunkData(255));
resultChunk.addData(new ByteChunkData(255));
resultChunk.addData(new ByteChunkData(255));
resultChunk.addData(new ByteChunkData(255));
}
//Let number 256 be 0 0 0 0 as in example
resultChunk.addData(new ByteChunkData(0));
resultChunk.addData(new ByteChunkData(0));
resultChunk.addData(new ByteChunkData(0));
resultChunk.addData(new ByteChunkData(0));
return(resultChunk);
}
//This method is a mess. But no reason to waste time cleaning it.
public static List <RiffChunk> CreateROBJChunks()
{
List <RiffChunk> chunksResult = new List <RiffChunk>();
//Completely copied from the 3x3x3 model file
RiffChunk robjchunkenv = new RiffChunk("rOBJ");
List <(string, string)> dictenv = new List <(string, string)>();
dictenv.Add(("_type", "_env"));
dictenv.Add(("_mode", "0"));
robjchunkenv.addData(new DictChunkData(dictenv));
chunksResult.Add(robjchunkenv);
RiffChunk robjchunkinf = new RiffChunk("rOBJ");
List <(string, string)> dictinf = new List <(string, string)>();
dictinf.Add(("_type", "_inf"));
dictinf.Add(("_i", "0.7"));
dictinf.Add(("_k", "255 255 255"));
dictinf.Add(("_angle", "50 50"));
dictinf.Add(("_area", "0.07"));
dictinf.Add(("_disk", "0"));
robjchunkinf.addData(new DictChunkData(dictinf));
chunksResult.Add(robjchunkinf);
RiffChunk robjchunk2 = new RiffChunk("rOBJ");
List <(string, string)> dict2 = new List <(string, string)>();
dict2.Add(("_type", "_uni"));
dict2.Add(("_i", "0.7"));
dict2.Add(("_k", "255 255 255"));
robjchunk2.addData(new DictChunkData(dict2));
chunksResult.Add(robjchunk2);
RiffChunk robjchunkibl = new RiffChunk("rOBJ");
List <(string, string)> dictibl = new List <(string, string)>();
dictibl.Add(("_type", "_ibl"));
dictibl.Add(("_i", "1"));
dictibl.Add(("_rot", "0"));
robjchunkibl.addData(new DictChunkData(dictibl));
chunksResult.Add(robjchunkibl);
RiffChunk robjchunkatm = new RiffChunk("rOBJ");
List <(string, string)> dictatm = new List <(string, string)>();
dictatm.Add(("_type", "_atm"));
dictatm.Add(("_ray_d", "0.4"));
dictatm.Add(("_ray_k", "45 104 255"));
dictatm.Add(("_mie_d", "0.4"));
dictatm.Add(("_mie_k", "255 255 255"));
dictatm.Add(("_mie_g", "0.85"));
dictatm.Add(("_o3_d", "0"));
dictatm.Add(("_o3_k", "105 255 110"));
robjchunkatm.addData(new DictChunkData(dictatm));
chunksResult.Add(robjchunkatm);
RiffChunk robjchunkfoguni = new RiffChunk("rOBJ");
List <(string, string)> dictfoguni = new List <(string, string)>();
dictfoguni.Add(("_type", "_fog_uni"));
dictfoguni.Add(("_d", "0"));
dictfoguni.Add(("_k", "255 255 255"));
dictfoguni.Add(("_g", "0"));
robjchunkfoguni.addData(new DictChunkData(dictfoguni));
chunksResult.Add(robjchunkfoguni);
RiffChunk robjchunklens = new RiffChunk("rOBJ");
List <(string, string)> dictlens = new List <(string, string)>();
dictlens.Add(("_type", "_lens"));
dictlens.Add(("_prof", "0"));
dictlens.Add(("_fov", "45"));
dictlens.Add(("_aperture", "0.25"));
dictlens.Add(("_blade_n", "0"));
dictlens.Add(("_blade_r", "0"));
robjchunklens.addData(new DictChunkData(dictlens));
chunksResult.Add(robjchunklens);
RiffChunk robjchunkfilm = new RiffChunk("rOBJ");
List <(string, string)> dictfilm = new List <(string, string)>();
dictfilm.Add(("_type", "_film"));
dictfilm.Add(("_expo", "1"));
dictfilm.Add(("_vig", "0"));
dictfilm.Add(("_aces", "0"));
dictfilm.Add(("_gam", "2.2"));
robjchunkfilm.addData(new DictChunkData(dictfilm));
chunksResult.Add(robjchunkfilm);
RiffChunk robjchunk7 = new RiffChunk("rOBJ");
List <(string, string)> dict7 = new List <(string, string)>();
dict7.Add(("_type", "_bloom"));
dict7.Add(("_mix", "0.5"));
dict7.Add(("_scale", "0"));
dict7.Add(("_aspect", "0"));
dict7.Add(("_treshhold", "1"));
robjchunk7.addData(new DictChunkData(dict7));
chunksResult.Add(robjchunk7);
RiffChunk robjchunk8 = new RiffChunk("rOBJ");
List <(string, string)> dict8 = new List <(string, string)>();
dict8.Add(("_type", "_ground"));
dict8.Add(("_color", "80 80 80"));
dict8.Add(("_hor", "0.1"));
robjchunk8.addData(new DictChunkData(dict8));
chunksResult.Add(robjchunk8);
RiffChunk robjchunk9 = new RiffChunk("rOBJ");
List <(string, string)> dict9 = new List <(string, string)>();
dict9.Add(("_type", "_bg"));
dict9.Add(("_color", "0 0 0"));
robjchunk9.addData(new DictChunkData(dict9));
chunksResult.Add(robjchunk9);
RiffChunk robjchunk10 = new RiffChunk("rOBJ");
List <(string, string)> dict10 = new List <(string, string)>();
dict10.Add(("_type", "_edge"));
dict10.Add(("_color", "0 0 0"));
dict10.Add(("_width", "0.2"));
robjchunk10.addData(new DictChunkData(dict10));
chunksResult.Add(robjchunk10);
RiffChunk robjchunk11 = new RiffChunk("rOBJ");
List <(string, string)> dict11 = new List <(string, string)>();
dict11.Add(("_type", "_grid"));
dict11.Add(("_color", "0 0 0"));
dict11.Add(("_spacing", "1"));
dict11.Add(("_width", "0.02"));
dict11.Add(("_display", "0"));
robjchunk11.addData(new DictChunkData(dict11));
chunksResult.Add(robjchunk11);
RiffChunk robjchunksetting = new RiffChunk("rOBJ");
List <(string, string)> dictsetting = new List <(string, string)>();
dictsetting.Add(("_type", "_setting"));
dictsetting.Add(("_ground", "1"));
dictsetting.Add(("_grid", "0"));
dictsetting.Add(("_edge", "0"));
dictsetting.Add(("_bg_c", "0"));
dictsetting.Add(("_bg_a", "0"));
dictsetting.Add(("_scale", "1 1 1"));
dictsetting.Add(("_cell", "1"));
robjchunksetting.addData(new DictChunkData(dictsetting));
chunksResult.Add(robjchunksetting);
return(chunksResult);
}
public static void IMToVoxel(IntermediateMap map, string outfileName, int modelSizeX, int modelSizeY, int modelSizeZ)
{
FileStream stream = new FileStream(outfileName, FileMode.Create, FileAccess.Write,
FileShare.Write);
BinaryWriter writer = new BinaryWriter(stream);
//Standard opening
writer.Write("VOX ".ToCharArray());
writer.Write(150); //Version
writer.Write("MAIN".ToCharArray());
writer.Write(0); //No chunk data in main
//List of chunks
List <RiffChunk> chunks = new List <RiffChunk>();
Palette palette = map.palette;
//Setup for staging nodes
ResetNodeID();
IDForGroup = new List <int>();
int masterGRPID = GetNextNodeID(); //Pass to master Translate
List <RiffChunk> modelStagings = new List <RiffChunk>();
int modelID = 0;
//Seperate the world into regions that become a model each
int mapheight = map.sizeZ;
for (int x = 0; x < map.sizeX; x += modelSizeX)
{
Console.Write("|");
for (int y = 0; y < map.sizeY; y += modelSizeY)
{
for (int z = 0; z < mapheight + modelSizeZ; z += modelSizeZ) //Map may not be that high, but getListOfVoxels will just return nothing for out of bounds values.
{
//The function will limit sizes to actual map boundaries
List <Voxel> voxels = map.getListOfVoxels(x, x + modelSizeX, y, y + modelSizeY, z, z + modelSizeZ);
//Find out if chunk even has any voxels
if (voxels.Count == 0)
{
//Don't create the object if there are no voxels
continue;
}
//I've not checked that this is just xyz, assuming it is
RiffChunk size = new RiffChunk("SIZE");
size.addData(new IntChunkData(modelSizeX));
size.addData(new IntChunkData(modelSizeY));
size.addData(new IntChunkData(modelSizeZ));
chunks.Add(size);
//Get a region of voxels and make them a model
RiffChunk xyzi = new RiffChunk("XYZI");
xyzi.addData(new IntChunkData(voxels.Count));
foreach (Voxel voxel in voxels)
{
try
{
xyzi.addData(new VoxelChunkData(Convert.ToByte(voxel.x - x), Convert.ToByte(voxel.y - y), Convert.ToByte(voxel.z - z), Convert.ToByte(voxel.colorIndex)));
} catch (Exception e)
{
Console.WriteLine("Byte overflow with voxel " + voxel.x + ", " + voxel.y + ", " + voxel.z + ". With object xyz being " + x + ", " + y + "," + z);
Console.WriteLine("Color index of " + voxel.colorIndex);
throw e;
}
}
chunks.Add(xyzi);
//Create shape and translate node for the model
modelStagings.AddRange(CreateStagingChunksForModel(x, y, z, modelID, modelSizeX, modelSizeY, modelSizeZ)); //Create translate and shape noded for model
//ModelID isn't written to file, it's just the order the models appear
modelID++;
}
}
}
//Master group node
RiffChunk masterGRP = new RiffChunk("nGRP");
masterGRP.addData(new IntChunkData(masterGRPID));
masterGRP.addData(new DictChunkData()); //empty dict
masterGRP.addData(new IntChunkData(modelID)); //Number of models
foreach (int nodeID in IDForGroup)
{
masterGRP.addData(new IntChunkData(nodeID));
}
//Master translate node
RiffChunk masterTRN = new RiffChunk("nTRN");
masterTRN.addData(new IntChunkData(0)); //Assuming top node has to be number 0
masterTRN.addData(new DictChunkData()); //Empty dict
masterTRN.addData(new IntChunkData(masterGRPID));
masterTRN.addData(new IntChunkData(-1)); //Reserved
masterTRN.addData(new IntChunkData(-1)); //Layer ID
masterTRN.addData(new IntChunkData(1)); //Number of frames is always 1
masterTRN.addData(new DictChunkData()); //Empty dict. No translation of master
//Put in all the staging chunks
chunks.Add(masterTRN);
chunks.Add(masterGRP);
chunks.AddRange(modelStagings);
//Add in all the layer chunks. This may be unneeded
chunks.AddRange(CreateLayrChunks());
//RGBA palette chunk
chunks.Add(palette.getPaletteChunk());
//Material chunks. May be unneeded
for (int i = 1; i <= 256; i++)
{
chunks.Add(CreateMatlChunk(i));
}
//Whatever the robj chunks are...
chunks.AddRange(CreateROBJChunks());
//Write in the main chunk child size field
int mainChunkChildDataSize = 0;
foreach (RiffChunk chunk in chunks)
{
mainChunkChildDataSize += chunk.getChunkSize();
}
writer.Write(mainChunkChildDataSize);
Console.Write("|");
//Write all those chunks
foreach (RiffChunk chunk in chunks)
{
chunk.writeChunk(writer);
}
Console.Write("|");
//Done
writer.Close();
stream.Close();
Console.WriteLine("");
}
