public void BuildEmptyChunkAt(Vector3Int pos)
{
int[] posArray = VectorExtension.ToArray(pos);
ChunkGroupRoot chunkGroupRoot = chunkGroup.GetOrCreateGroupAtGlobalPosition(posArray);
if (!chunkGroupRoot.HasLeafAtGlobalPosition(posArray))
{
CompressedMarchingCubeChunk chunk = new CompressedMarchingCubeChunk();
chunk.ChunkHandler = this;
chunk.ChunkSizePower = CHUNK_GROUP_SIZE_POWER;
chunk.ChunkUpdater = worldUpdater;
chunk.LODPower = MAX_CHUNK_LOD_POWER + 1;
chunk.IsSpawner = true;
chunkGroupRoot.SetLeafAtPosition(new int[] { pos.x, pos.y, pos.z }, chunk, false);
simpleChunkColliderPool.GetItemFromPoolFor(chunk);
}
}
protected void CheckChunk(CompressedMarchingCubeChunk chunk, Action <CompressedMarchingCubeChunk> callback, int tryCount, ref Vector3 pos)
{
if (chunk.IsEmpty)
{
//TODO: maybe just read noise points here and completly remove isSolid or Air
if (lastChunkWasAir)
{
pos.y -= chunk.ChunkSize;
}
else
{
pos.y += chunk.ChunkSize;
}
FindNonEmptyChunkAroundAsync(pos, callback, tryCount);
}
else
{
hasFoundInitialChunk = true;
callback(chunk);
}
}
public void IncreaseChunkLod(CompressedMarchingCubeChunk chunk, int toLodPower)
{
toLodPower = GetFeasibleIncreaseLodForChunk(chunk, toLodPower);
int toLod = RoundToPowerOf2(toLodPower);
if (toLod >= chunk.LOD || chunk.ChunkSize % toLod != 0)
{
Debug.LogWarning($"invalid new chunk lod {toLodPower} from lod {chunk.LODPower}");
}
chunk.FreeSimpleChunkCollider();
int newSizePow = DEFAULT_CHUNK_SIZE_POWER + toLodPower;
if (newSizePow >= chunk.ChunkSizePower || newSizePow == CHUNK_GROUP_SIZE_POWER)
{
ExchangeSingleChunkAsyncParallel(chunk, chunk.AnchorPos, toLodPower, chunk.ChunkSizePower, true);
}
else
{
SplitChunkAndIncreaseLod(chunk, toLodPower, newSizePow);
}
}
public void DispatchAndGetChunkMeshDataAsync(CompressedMarchingCubeChunk chunk, Action <CompressedMarchingCubeChunk> SetChunkComponents, Action <MeshData> onMeshDataDone)
{
ChunkGenerationGPUData gpuData = pipelinePool.GetItemFromPool();
NoisePipeline noise = new NoisePipeline(gpuData, storedNoiseEdits);
ChunkPipeline chunkPipeline = new ChunkPipeline(gpuData, minDegreeBufferPool);
ValidateChunkProperties(chunk);
noise.TryLoadOrGenerateNoise(chunk);
chunkPipeline.DispatchPrepareCubesFromNoise(chunk);
ComputeBufferExtension.GetLengthOfAppendBufferAsync(gpuData.preparedTrisBuffer, gpuData.triCountBuffer, (numTris) =>
{
if (numTris <= 0)
{
pipelinePool.ReturnItemToPool(gpuData);
onMeshDataDone(new MeshData(null, null, false));
}
else
{
//totalTriBuild += numTris;
SetChunkComponents(chunk);
ComputeBuffer verts;
ComputeBuffer colors;
chunkPipeline.BuildMeshFromPreparedCubes(chunk, numTris, out verts, out colors);
///read data from gpu
ComputeBufferExtension.ReadBuffersAsync <Vector3, Color32>(verts, colors, (vs, cs) =>
{
verts.Dispose();
colors.Dispose();
pipelinePool.ReturnItemToPool(gpuData);
onMeshDataDone(new MeshData(vs, cs, chunk.UseCollider));
//OnDataDone(new GpuAsyncRequestResult(tris));
});
}
});
}
public void BuildEmptyChunkAt(Vector3Int pos)
{
IChunkGroupRoot chunkGroup = GetOrCreateChunkGroupAtCoordinate(PositionToChunkGroupCoord(pos));
if (!chunkGroup.TryGetLeafAtGlobalPosition(pos, out IMarchingCubeChunk chunk))
{
chunk = new CompressedMarchingCubeChunk();
chunk.ChunkHandler = this;
chunk.ChunkSizePower = CHUNK_GROUP_SIZE_POWER;
chunk.ChunkUpdater = worldUpdater;
chunk.Material = chunkMaterial;
chunk.SurfaceLevel = surfaceLevel;
chunk.LODPower = MAX_CHUNK_LOD_POWER + 1;
chunk.IsSpawner = true;
chunkGroup.SetLeafAtPosition(new int[] { pos.x, pos.y, pos.z }, chunk, false);
simpleChunkColliderPool.GetItemFromPoolFor(chunk);
}
}
public void BuildRelevantChunksFromMeshDataBlockingAround(ChunkNeighbourTask task)
{
bool[] dirs = task.HasNeighbourInDirection;
CompressedMarchingCubeChunk chunk = task.chunk;
int count = dirs.Length;
for (int i = 0; i < count; ++i)
{
if (!dirs[i])
{
continue;
}
Vector3Int v3 = VectorExtension.DirectionFromIndex[i] * (chunk.ChunkSize + 1) + chunk.CenterPos;
closestNeighbours.Enqueue(0, v3);
///for initial neighbours build additional chunks to not just wait for first thread to be done
///seems to worsen performance?
//v3 = 2 * VectorExtension.DirectionFromIndex[i] * (chunk.ChunkSize + 1) + chunk.CenterPos;
//closestNeighbours.Enqueue(0, v3);
//v3 = 3 * VectorExtension.DirectionFromIndex[i] * (chunk.ChunkSize + 1) + chunk.CenterPos;
//closestNeighbours.Enqueue(0, v3);
}
if (closestNeighbours.size > 0)
{
BuildRelevantChunksFromMeshDataBlockingAround();
}
watch.Stop();
Debug.Log("Total millis: " + watch.Elapsed.TotalMilliseconds);
if (totalTriBuild >= maxTrianglesLeft)
{
Debug.Log("Aborted");
}
Debug.Log("Total triangles: " + totalTriBuild);
OnInitialializationDone();
// Debug.Log($"Number of chunks: {ChunkGroups.Count}");
}
public Vector3Int[] ScanForNonEmptyChunksAround(Vector3 position, int sizePower, int lodPower)
{
CompressedMarchingCubeChunk emptyChunk = new CompressedMarchingCubeChunk()
{
PointSpacing = 1,
LODPower = lodPower,
ChunkSizePower = sizePower,
};
float offset = emptyChunk.ChunkSize;
emptyChunk.AnchorPos = VectorExtension.ToVector3Int(position - new Vector3(offset / 2, offset / 2, offset / 2));
ChunkGenerationGPUData gpuData = pipelinePool.GetItemFromPool();
NoisePipeline noise = new NoisePipeline(gpuData, storedNoiseEdits);
ChunkPipeline chunkPipeline = new ChunkPipeline(gpuData, minDegreeBufferPool);
noise.DispatchNoiseForChunk(emptyChunk, false);
chunkPipeline.DispatchFindNonEmptyChunks(emptyChunk);
Vector3Int[] nonEmptyPositions = ComputeBufferExtension.ReadAppendBuffer <Vector3Int>(ChunkGenerationGPUData.chunkPositionBuffer, gpuData.triCountBuffer);
pipelinePool.ReturnItemToPool(gpuData);
return(nonEmptyPositions);
}
public bool TryGetReadyChunkAt(Vector3Int p, out CompressedMarchingCubeChunk chunk) => chunkGroup.TryGetReadyChunkAt(VectorExtension.ToArray(p), out chunk);
public bool TryLoadPoints(CompressedMarchingCubeChunk chunk, out float[] loadedPoints)
{
return(TryGetMipMapAt(chunk.AnchorPos, chunk.ChunkSizePower, out loadedPoints, out bool complete) && complete);
}
public bool TryLoadPoints(CompressedMarchingCubeChunk marchingCubeChunk, out float[] loadedPoints) => storageGroup.TryLoadPoints(marchingCubeChunk, out loadedPoints);
protected void ExchangeChunkAsyncParallel(Vector3Int anchorPos, int lodPow, int sizePow, bool allowOveride, Action <CompressedMarchingCubeChunk> onChunkDone)
{
CompressedMarchingCubeChunk newChunk = GetThreadedChunkObjectAt(anchorPos, lodPow, sizePow, allowOveride);
PrepareChunkAsyncFromMeshData(newChunk, onChunkDone);
}
public ChunkNeighbourTask(CompressedMarchingCubeChunk chunk, MeshData meshData)
{
this.chunk = chunk;
this.meshData = meshData;
maxEntityIndexPerAxis = chunk.MaxEntitiesIndexPerAxis;
}
public float[] RequestNoiseForChunk(CompressedMarchingCubeChunk chunk)
{
return(chunkGPURequest.RequestNoiseForChunk(chunk));
}
protected void ExchangeSingleChunkAsyncParallel(CompressedMarchingCubeChunk from, Vector3Int anchorPos, int lodPow, int sizePow, bool allowOveride)
{
from.PrepareDestruction();
ExchangeChunkAsyncParallel(anchorPos, lodPow, sizePow, allowOveride, (c) => { FinishAsynchronChunk(from, c); });
}
//public int ComputeCubesFromNoise(CompressedMarchingCubeChunk chunk, int lod, bool resetCounter = true)
//{
// int pointsPerAxis = DispatchCubesFromNoise(chunk, lod, resetCounter);
// int numTris = ComputeBufferExtension.GetLengthOfAppendBuffer(trianglesToBuild, triCountBuffer);
// totalTriBuild += numTris;
// BuildPreparedCubes(chunk, lod, pointsPerAxis, numTris);
// return numTris;
//}
public int GetFeasibleReducedLodForChunk(CompressedMarchingCubeChunk c, int toLodPower)
{
return(Mathf.Min(toLodPower, c.LODPower + 1));
}
public int GetFeasibleIncreaseLodForChunk(CompressedMarchingCubeChunk c, int toLodPower)
{
return(Mathf.Max(toLodPower, c.LODPower - 1));
}
public void SetChunkColliderOf(CompressedMarchingCubeChunk c)
{
simpleChunkColliderPool.GetItemFromPoolFor(c);
}
protected void ApplyBuildGenericTrianglesForChunkProperties(ComputeShader forShader, CompressedMarchingCubeChunk chunk, int numTris)
{
bool storeMinDegree = chunk.MinDegreeBuffer != null;
forShader.SetBool("storeMinDegrees", storeMinDegree);
if (storeMinDegree)
{
forShader.SetBuffer(0, "minDegreeAtCoord", chunk.MinDegreeBuffer);
}
else
{
forShader.SetBuffer(0, "minDegreeAtCoord", ChunkGPUDataRequest.emptyMinDegreeBuffer);
}
Vector4 anchor = VectorExtension.ToVector4(chunk.AnchorPos);
int pointsPerAxis = chunk.NoisePointsPerAxis;
forShader.SetVector("anchor", anchor);
forShader.SetFloat("spacing", chunk.LOD);
forShader.SetInt("numPointsPerAxis", pointsPerAxis);
forShader.SetInt("length", numTris);
forShader.SetInt("pointSpacing", chunk.PointSpacing);
}
protected void SetChunkComponents(CompressedMarchingCubeChunk chunk)
{
SetDisplayerOfChunk(chunk);
SetLODColliderOfChunk(chunk);
}
/// <summary>
/// returns true if the chunk was created
/// </summary>
/// <param name="p"></param>
/// <param name="editPoint"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="delta"></param>
/// <param name="maxDistance"></param>
/// <param name="chunk"></param>
/// <returns></returns>
public void CreateChunkWithNoiseEdit(Vector3Int p, Vector3 editPoint, Vector3Int start, Vector3Int end, float delta, float maxDistance, out CompressedMarchingCubeChunk chunk)
{
bool hasChunkAtPosition = chunkGroup.TryGetGroupItemAt(VectorExtension.ToArray(p), out chunk);
if (!hasChunkAtPosition || !chunk.HasStarted)
{
if (chunk != null)
{
///current chunk is marks border of generated chunks, so destroy it
chunk.DestroyChunk();
}
chunk = CreateChunkWithProperties(p, 0, DEFAULT_CHUNK_SIZE_POWER, false,
(b) => {
ApplyNoiseEditing(b, editPoint, start, end, delta, maxDistance);
});
}
}
protected void CreateChunkWithPropertiesAsync(Vector3Int pos, int lodPower, int chunkSizePower, bool allowOverride, Action <CompressedMarchingCubeChunk> callback, Action WorkOnNoise = null)
{
CompressedMarchingCubeChunk chunk = GetThreadedChunkObjectAt(pos, lodPower, chunkSizePower, allowOverride);
BuildChunkAsyncFromMeshData(chunk, callback);
}
protected void SetLODColliderOfChunk(CompressedMarchingCubeChunk chunk)
{
simpleChunkColliderPool.GetItemFromPoolFor(chunk);
}
public ChunkInitializeTask(System.Action <CompressedMarchingCubeChunk> onChunkDone, CompressedMarchingCubeChunk chunk)
{
this.chunk = chunk;
this.onChunkDone = onChunkDone;
}