public void ComputeNoise(Octree node)
{
int size = (int)node.bounds.size.x;
//size = 2;
NativeArray <float4> result = new NativeArray <float4>(size * size * size, Allocator.TempJob);
NoiseJob jobData = new NoiseJob();
jobData.size = size;
jobData.noiseScale = 10f;
jobData.minCorner = node.bounds.min;
jobData.noiseData = result;
JobHandle handle = jobData.Schedule();
handle.Complete();
//Debug.Log(string.Join(",", result.ToArray()));
Debug.Log(result.Length);
result.Dispose();
}
/// <summary>
/// Subdivde a node into 8 octants
/// </summary>
public void Subdivide()
{
if (children == null)
{
children = new Octree[8];
}
float3 localCenter;
for (int i = 0; i < 8; i++)
{
localCenter.x = ((i & (1 << 0)) >> 0 == 0 ? -1 : 1);
localCenter.y = ((i & (1 << 1)) >> 1 == 0 ? -1 : 1);
localCenter.z = ((i & (1 << 2)) >> 2 == 0 ? -1 : 1);
if (children[i] == null)
{
children[i] = new Octree(chunk.size / 2, localCenter * chunk.size / 4 + chunk.center);
children[i].level = this.level - 1;
children[i].parent = this;
}
}
}
public Mesh[] MarchChunk(object state)
{
Mesh[] result = new Mesh[2];
Octree node = (Octree)state;
//Debug.Log("MARCH: " + node.center);
//Debug.Log("MARCH1: " + node.center);
int id = Thread.CurrentThread.ManagedThreadId % THREAD_MAX;
//Debug.Log("MARCH: " + id);
ComputeBuffer noiseDataBuffer = noiseBuffs[id];
ComputeBuffer trianglesBuffer = trigBuffs[id];
ComputeBuffer PPTrianglesBuffer = trigBuffs_PP[id];
ComputeBuffer counterBuffer = countBuffs[id];
int[] bufferCount = bufferCounts[id];
//Debug.Log("MARCH2: " + node.center);
perlin_shader.SetBuffer(PNkernel, "output", noiseDataBuffer);
//Debug.Log("MARCH3: " + node.center);
perlin_shader.SetVector("minCorner", new float4(node.bounds.min, 0));
perlin_shader.SetInt("sampleSize", CHUNK_SIZE + 1);
perlin_shader.SetInt("scale", node.level);
//Debug.Log("MARCH4: " + node.center);
int groupSize = Chunk.CHUNK_SIZE / 8;
//Debug.Log("MARCH5: " + node.center);
perlin_shader.Dispatch(PNkernel, groupSize + 1, groupSize + 1, groupSize + 1);
//data = new float4[(size + 1) * (size + 1) * (size + 1)];
//perlinBuffer.GetData(data);
//this.hasMesh = HasMesh();
//AsyncGPUReadbackRequest PVBrequest = AsyncGPUReadback.Request(noiseDataBuffer);
//AsyncGPUReadbackRequest PPPVBrequest = AsyncGPUReadback.Request(PPNoiseDataBuffer);
//StartCoroutine(GetNoiseDataCoroutine(PVBrequest, PPPVBrequest, node.chunk));
Chunk chunk = node.chunk;
//while (!PVBrequest.done || !PPPVBrequest.done) continue;
//if (PVBrequest.hasError || PPPVBrequest.hasError) { yield break};
//float4[] data = new float4[(CHUNK_SIZE + 1) * (CHUNK_SIZE + 1) * (CHUNK_SIZE + 1)];
//noiseDataBuffer.GetData(data);
//Debug.Log(data[0] + " " + data[data.Length - 1]);
////chunk.PPData = PPPVBrequest.GetData<float4>();
//bool hasMesh = false;
////if (chunk.center.x == -128f && chunk.center.y == -128f && chunk.center.z == -128f) {
// float4[] d = data;
// for (int i = 0; i < d.Length; i++) {
// if (!(d[i].w > 0 && d[0].w > 0 || (d[i].w <= 0 && d[0].w <= 0))) {
// hasMesh = true;
// break;
// }
// }
// Debug.Log(hasMesh);
////}
////Debug.Log(result.Length + " " + chunk.data.Value.Length);
//chunk.hasMesh = hasMesh;
//chunk.data = data;
//if (!hasMesh) yield break;
//if (((Vector3)chunk.center + Vector3.one * chunk.size / 2).y < chunk.data.Value[0].y) Debug.LogError("Data out of NODE");
//if (((Vector3)chunk.center + Vector3.one * chunk.size / 2).y < chunk.PPData.Value[0].y) Debug.LogError("PPData out of NODE");
//Debug.Log("MARCH " + chunk.center);
trianglesBuffer.SetCounterValue(0);
PPTrianglesBuffer.SetCounterValue(0);
mc_shader.SetBuffer(MCkernel, "dataBuffer", noiseDataBuffer);
mc_shader.SetBuffer(MCkernel, "trianglesBuffer", trianglesBuffer);
mc_shader.SetBuffer(MCkernel, "PPTrianglesBuffer", PPTrianglesBuffer);
mc_shader.SetFloat("isolevel", MarchingCube.isolevel);
mc_shader.SetInt("dataSize", CHUNK_SIZE + 1);
//MCShader.SetInt("scale", node.level + 1);
mc_shader.Dispatch(MCkernel, groupSize, groupSize, groupSize);
ComputeBuffer.CopyCount(trianglesBuffer, counterBuffer, 0);
counterBuffer.GetData(bufferCount);
Triangle[] triangles = new Triangle[bufferCount[0]];
trianglesBuffer.GetData(triangles);
ComputeBuffer.CopyCount(PPTrianglesBuffer, counterBuffer, 0);
counterBuffer.GetData(bufferCount);
Triangle[] PPtriangles = new Triangle[bufferCount[0]];
PPTrianglesBuffer.GetData(PPtriangles);
result[0] = GenMesh(triangles);
if (chunk.mesh != null && ((Vector3)chunk.center + Vector3.one * chunk.size / 2).y < chunk.mesh.vertices[0].y)
{
Debug.LogError("Mesh out of NODE" + chunk.center + " " + node.level);
}
result[1] = GenMesh(PPtriangles);
if (result[1] == null && result[0] != null || result[0] == null && result[1] != null)
{
Debug.LogError("!!!!!!!!!!!!!!!!!!!");
}
if (result[0] != null && result[1] != null)
{
chunk.hasMesh = true;
}
chunk.calculated = true;
//Debug.Log("MARCH: " + node.center);
return(result);
}