public void GenerateCubes(string outputPath, SlicingOptions options)
{
CubeMetadata metadata = new CubeMetadata(size)
{
WorldBounds = ObjInstance.Size,
VirtualWorldBounds = options.ForceCubicalCubes ? ObjInstance.CubicalSize : ObjInstance.Size,
VertexCount = ObjInstance.VertexList.Count
};
// Configure texture slicing metadata
if (options.RequiresTextureProcessing())
{
metadata.TextureSetSize = new Vector2(options.TextureSliceX, options.TextureSliceY);
}
else
{
metadata.TextureSetSize = new Vector2(1, 1);
}
// Create texture if there is one
if (!string.IsNullOrEmpty(options.Texture))
{
Texture t = new Texture(this.ObjInstance, options.Texture);
options.TextureInstance = t;
}
// Generate the data
if (options.Debug)
{
SpatialUtilities.EnumerateSpace(metadata.TextureSetSize, (x, y) =>
{
var vertexCounts = GenerateCubesForTextureTileAsync(outputPath, new Vector2(x, y), options, new CancellationToken()).Result;
foreach (var cube in vertexCounts.Keys)
{
metadata.CubeExists[cube.X, cube.Y, cube.Z] = vertexCounts[cube] > 0;
}
});
}
else
{
SpatialUtilities.EnumerateSpaceParallel(metadata.TextureSetSize, (x, y) =>
{
var vertexCounts = GenerateCubesForTextureTileAsync(outputPath, new Vector2(x, y), options, new CancellationToken()).Result;
foreach (var cube in vertexCounts.Keys)
{
metadata.CubeExists[cube.X, cube.Y, cube.Z] = vertexCounts[cube] > 0;
}
});
}
// Write out some json metadata
string metadataPath = Path.Combine(outputPath, "metadata.json");
if (File.Exists(metadataPath))
{
File.Delete(metadataPath);
}
string metadataString = JsonConvert.SerializeObject(metadata);
File.WriteAllText(metadataPath, metadataString);
}
private void WriteObjFormattedFile(string path, string mtlOverride, List <Face> chunkFaceList, Vector2 tile, SlicingOptions options, string comment = "")
{
// Build a list of vertices indexes needed for these faces
List <int> requiredVertices = null;
List <int> requiredTextureVertices = null;
var tv = Task.Run(() => { requiredVertices = chunkFaceList.AsParallel().SelectMany(f => f.VertexIndexList).Distinct().ToList(); });
var ttv = Task.Run(() => { requiredTextureVertices = chunkFaceList.AsParallel().SelectMany(f => f.TextureVertexIndexList).Distinct().ToList(); });
Task.WaitAll(new Task[] { tv, ttv });
using (var outStream = File.OpenWrite(path))
using (var writer = new StreamWriter(outStream))
{
// Write some header data
writer.WriteLine("# Generated by PyriteCli");
if (!string.IsNullOrEmpty(comment))
{
writer.WriteLine("# " + comment);
}
if (!string.IsNullOrEmpty(mtlOverride))
{
writer.WriteLine("mtllib " + mtlOverride);
}
else if (!string.IsNullOrEmpty(_mtl) && !options.RequiresTextureProcessing())
{
writer.WriteLine("mtllib " + _mtl);
}
else if (options.RequiresTextureProcessing() && options.WriteMtl)
{
writer.WriteLine("mtllib texture\\{0}_{1}.mtl", tile.X, tile.Y);
}
// Write each vertex and update faces
_verticesRequireReset = true;
int newVertexIndex = 0;
Parallel.ForEach(requiredVertices, i =>
{
Vertex moving = VertexList[i - 1];
int newIndex = WriteVertexWithNewIndex(moving, ref newVertexIndex, writer);
var facesRequiringUpdate = chunkFaceList.Where(f => f.VertexIndexList.Contains(i));
foreach (var face in facesRequiringUpdate)
{
face.UpdateVertexIndex(moving.Index, newIndex);
}
});
// Write each texture vertex and update faces
int newTextureVertexIndex = 0;
Parallel.ForEach(requiredTextureVertices, i =>
{
TextureVertex moving = TextureList[i - 1];
int newIndex = WriteVertexWithNewIndex(moving, ref newTextureVertexIndex, writer);
var facesRequiringUpdate = chunkFaceList.Where(f => f.TextureVertexIndexList.Contains(i));
foreach (var face in facesRequiringUpdate)
{
face.UpdateTextureVertexIndex(moving.Index, newIndex);
}
});
// Write the faces
chunkFaceList.ForEach(f => writer.WriteLine(f));
}
}