protected override JobHandle OnUpdate(JobHandle inputDeps)
{
//throw new System.NotImplementedException();
NativeArray <Entity> entities = eq.ToEntityArray(Allocator.TempJob);
if (entities.Length == 0)
{
return(inputDeps);
}
World.Active.EntityManager.AddComponent(entities[0], typeof(shouldFilterMesh));
World.Active.EntityManager.RemoveComponent(entities[0], typeof(shouldGenerateMesh));
int SizeX = World.Active.EntityManager.GetComponentData <ChunkStatus>(entities[0]).SizeX;
int SizeY = World.Active.EntityManager.GetComponentData <ChunkStatus>(entities[0]).SizeY;
int SizeZ = World.Active.EntityManager.GetComponentData <ChunkStatus>(entities[0]).SizeZ;
NativeArray <float3> cornerMemoryPool = new NativeArray <float3>(SizeX * SizeY * SizeZ * 8, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
NativeArray <float> gridMemoryPool = new NativeArray <float>(SizeX * SizeY * SizeZ * 8, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
NativeArray <float3> vertMemoryPool = new NativeArray <float3>(SizeX * SizeY * SizeZ * 12, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
NativeArray <int> edgeTable = new NativeArray <int>(256, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
NativeArray <int> triTable = new NativeArray <int>(4096, Allocator.TempJob, NativeArrayOptions.UninitializedMemory);
edgeTable.CopyFrom(MCTables.CubeEdgeFlags);
triTable.CopyFrom(MCTables.triTable);
MarchingCubesJob MCJob = new MarchingCubesJob
{
SizeX = SizeX,
SizeY = SizeY,
GridSize = 1f,
edgeTable = edgeTable,
triTable = triTable,
vertListSlicePool = vertMemoryPool,
cornerSlicePool = cornerMemoryPool,
gridSlicePool = gridMemoryPool,
voxelData = GetBufferFromEntity <VoxelData>(false),
unfilteredVerticesData = GetBufferFromEntity <UnfilteredVerticesArray>(false),
entities = entities,
entity = entities[0]
};
JobHandle MCHandle = MCJob.Schedule((SizeX - 1) * (SizeY - 1) * (SizeZ - 1), 1, inputDeps);
return(MCHandle);
}
void RequestUpdateChunk(Chunk chunk)
{
// Determine if chunk should be at maximum detail
if (chunk.WithinRadius(viewer.position, viewDistance))
{
// is chunk already at max subdivision
if (chunk.lod > 0)
{
if (chunk.children == null)
{
chunk.Split();
chunk.mesh.Clear();
}
foreach (Chunk child in chunk.children)
{
RequestUpdateChunk(child);
}
return;
}
}
else
{
chunk.Merge();
}
// Only render if any changes are made to the chunk
if (!chunk.dirty)
{
return;
}
int numVertsPerAxis = resolution + 1;
int numVerts = numVertsPerAxis * numVertsPerAxis * numVertsPerAxis;
int numVoxels = resolution * resolution * resolution;
Vector3 mapSize = (Vector3)numberOfChunks * (chunkSize << levelsOfDetail); // Only used for "edge solidification".
float vertSpacing = (float)chunk.size / resolution;
Vector3 center = chunk.position;
var vertexBuffer = new NativeArray <Vector3>(numVerts, Allocator.TempJob);
var densityBuffer = new NativeArray <float>(numVerts, Allocator.TempJob);
var triangleBuffer = new NativeQueue <Triangle>(Allocator.TempJob);
// Generate vertex density values
JobHandle densityJobHandle = densityGenerator.Generate(vertexBuffer, densityBuffer, numVertsPerAxis, chunk.size,
vertSpacing, mapSize, center, densityOffset);
var marchJob = new MarchingCubesJob(vertexBuffer, densityBuffer, triangleBuffer.AsParallelWriter(), resolution, surfaceLevel);
JobHandle marchJobHandle = marchJob.Schedule(numVoxels, 128, densityJobHandle);
jobQueue.Enqueue(new JobData(chunk, marchJobHandle, triangleBuffer));
chunk.dirty = false;
}
public static void GenerateMarchingCubesWithJob(Voxel[,,] voxels, Vector3Int cellSize, Vector3 chunkScale, bool triangleIndexing, List <Vector3> vertices, List <int> triangles, List <Color> colors)
{
NativeArray <Vector3> nativeVertices = new NativeArray <Vector3>(15 * cellSize.x * cellSize.y * cellSize.z, Allocator.TempJob);
NativeArray <int> nativeTriangles = new NativeArray <int>(15 * cellSize.x * cellSize.y * cellSize.z, Allocator.TempJob);
NativeArray <Color> nativeColors = new NativeArray <Color>(15 * cellSize.x * cellSize.y * cellSize.z, Allocator.TempJob);
NativeCounter counter = new NativeCounter(Allocator.TempJob);
NativeArray <Voxel> nativeVoxels = new NativeArray <Voxel>(voxels.Length, Allocator.TempJob);
nativeVoxels.ManagedToNative(voxels);
MarchingCubesJob marchingCubesJob = new MarchingCubesJob
{
vertices = nativeVertices,
counter = counter.ToConcurrent(),
voxels = nativeVoxels,
colors = nativeColors,
cellSize = cellSize,
gridSize = cellSize + Vector3Int.one,
chunkScale = chunkScale,
};
JobHandle marchingCubesJobHandle = marchingCubesJob.Schedule(voxels.Length, 32);
marchingCubesJobHandle.Complete();
if (counter.Count > 0)
{
int verticeSize = counter.Count * 3;
int triangleSize = verticeSize;
if (triangleIndexing)
{
verticeSize = TriangleIndexingForJob(nativeVertices, nativeTriangles, nativeColors, verticeSize);
}
else
{
AddTriangleIndexForNoIndexing triangleJob = new AddTriangleIndexForNoIndexing
{
triangles = nativeTriangles
};
JobHandle triangleJobHandle = triangleJob.Schedule(verticeSize, 32);
triangleJobHandle.Complete();
}
NativeSlice <Vector3> nativeSliceVertices = new NativeSlice <Vector3>(nativeVertices, 0, verticeSize);
NativeSlice <Color> nativeSliceColors = new NativeSlice <Color>(nativeColors, 0, verticeSize);
NativeSlice <int> nativeSliceTriangles = new NativeSlice <int>(nativeTriangles, 0, triangleSize);
colors.Clear();
vertices.Clear();
triangles.Clear();
vertices.NativeAddRange(nativeSliceVertices);
triangles.NativeAddRange(nativeSliceTriangles);
colors.NativeAddRange(nativeSliceColors);
}
counter.Dispose();
nativeVertices.Dispose();
nativeTriangles.Dispose();
nativeVoxels.Dispose();
nativeColors.Dispose();
}
public void computeIsoSurface(float isoValue)
{
if (curVertices.IsCreated)
{
curVertices.Dispose();
}
if (curNormals.IsCreated)
{
curNormals.Dispose();
}
if (curTriangles.IsCreated)
{
curTriangles.Dispose();
}
//CountVertexPerVoxelJob
NativeArray <uint2> vertPerCellIn = new NativeArray <uint2>(totalSize, Allocator.TempJob);
NativeArray <uint2> vertPerCell = new NativeArray <uint2>(totalSize, Allocator.TempJob);
NativeArray <uint> compactedVoxel = new NativeArray <uint>(totalSize, Allocator.TempJob);
var countVJob = new CountVertexPerVoxelJob()
{
densV = values,
nbTriTable = nbTriTable,
triTable = triTable,
vertPerCell = vertPerCellIn,
gridSize = gridSize,
totalVoxel = totalSize,
isoValue = isoValue
};
var countVJobHandle = countVJob.Schedule(totalSize, 128);
countVJobHandle.Complete();
//exclusivescan => compute the total number of vertices
uint2 lastElem = vertPerCellIn[totalSize - 1];
float timerEsc = Time.realtimeSinceStartup;
var escanJob = new ExclusiveScanTrivialJob()
{
vertPerCell = vertPerCellIn,
result = vertPerCell,
totalVoxel = totalSize
};
var escanJobJobHandle = escanJob.Schedule();
escanJobJobHandle.Complete();
uint2 lastScanElem = vertPerCell[totalSize - 1];
uint newTotalVoxels = lastElem.y + lastScanElem.y;
uint totalVerts = lastElem.x + lastScanElem.x;
if (totalVerts <= 0)
{
Debug.LogWarning("Empty iso-surface");
vertPerCell.Dispose();
compactedVoxel.Dispose();
return;
}
curVertices = new NativeArray <float3>((int)totalVerts, Allocator.Persistent);
curNormals = new NativeArray <float3>((int)totalVerts, Allocator.Persistent);
//Double the triangles to have both faces
curTriangles = new NativeArray <int>((int)totalVerts * 2, Allocator.Persistent);
//compactvoxels
var compactJob = new CompactVoxelJob()
{
vertPerCell = vertPerCell,
compVoxel = compactedVoxel,
gridSize = gridSize,
totalVoxel = totalSize,
lastElem = lastElem.y
};
var compactJobHandle = compactJob.Schedule(totalSize, 128);
compactJobHandle.Complete();
//MC
var MCJob = new MarchingCubesJob()
{
vertices = curVertices,
compVoxel = compactedVoxel,
vertPerCell = vertPerCell,
densV = values,
nbTriTable = nbTriTable,
triTable = triTable,
oriGrid = originGrid,
dx = dx,
gridSize = gridSize,
isoValue = isoValue,
totalVerts = totalVerts
};
var MCJobHandle = MCJob.Schedule((int)newTotalVoxels, 128);
MCJobHandle.Complete();
//Normals
var NormJob = new ComputeNormalsJob()
{
normals = curNormals,
vertices = curVertices,
densV = values,
oriGrid = originGrid,
dx = dx,
gridSize = gridSize
};
var NormJobHandle = NormJob.Schedule((int)totalVerts, 128);
NormJobHandle.Complete();
for (int i = 0; i < totalVerts - 3; i += 3)
{
curTriangles[i] = i;
curTriangles[i + 1] = i + 1;
curTriangles[i + 2] = i + 2;
}
//Double the triangles to have both faces
for (int i = (int)totalVerts; i < totalVerts * 2 - 3; i += 3)
{
curTriangles[i] = i - (int)totalVerts;
curTriangles[i + 2] = i + 1 - (int)totalVerts; //Invert triangles here
curTriangles[i + 1] = i + 2 - (int)totalVerts;
}
vertPerCellIn.Dispose();
vertPerCell.Dispose();
compactedVoxel.Dispose();
}