public void GenerateTerrain(Vector3 worldPosition, int chunkSize)
{
Stopwatch sw = new Stopwatch();
int dispatchSize = (int)Mathf.Ceil((float)chunkSize / (float)MinDispatchSize);
sw.Start();
verticesBuffer.SetCounterValue(0);
// 3D noise generation
terrain3DNoiseShader.Dispatch(noiseKernel, dispatchSize, dispatchSize, dispatchSize);
// Generate normals
normalFromNoiseShader.Dispatch(computeNormalKernel, dispatchSize, dispatchSize, dispatchSize);
// We don't need the extra size anymore so we restore the original chunk size
dispatchSize = (int)Mathf.Ceil((float)(chunkSize - 1) / (float)MinDispatchSize);
// Isosurface generation
isoSurfaceShader.Dispatch(marchingCubeKernel, dispatchSize * resolutionPerVoxel, dispatchSize * resolutionPerVoxel, dispatchSize * resolutionPerVoxel);
ComputeBuffer.CopyCount(verticesBuffer, verticesCountReadbackBuffer, 0);
// Vector3[] n = new Vector3[chunkSize * chunkSize * chunkSize];
// normalsBuffer.GetData(n);
// chunkNormals[worldPosition] = n;
// Get the vertices count back to the cpu
int[] verticesCountBuffer = new int[1];
verticesCountReadbackBuffer.GetData(verticesCountBuffer);
int verticesCount = verticesCountBuffer[0] * 3;
// ComputeBuffer drawChunkBuffer = new ComputeBuffer(4, sizeof(int), ComputeBufferType.IndirectArguments);
// // Create an argument buffer for the DrawProceduralIndirect
// int[] drawBufferData = {verticesCount, 1, 0, 0};
// drawChunkBuffer.SetData(drawBufferData);
// Align the buffer size on the copy kernel dispatch size
int copySize = verticesCount + (copyMeshBufferGroupSize.x - (verticesCount % copyMeshBufferGroupSize.x));
// Allocate the final buffers for the mesh
// ComputeBuffer meshVertices = new ComputeBuffer(copySize, sizeof(float) * 3);
// ComputeBuffer meshNormals = new ComputeBuffer(copySize, sizeof(float) * 3);
// Bind these buffers for copy
// copyMeshBuffersShader.SetBuffer(copyMeshBufferKernel, KernelIds.meshVertices, meshVertices);
// copyMeshBuffersShader.SetBuffer(copyMeshBufferKernel, KernelIds.meshNormals, meshNormals);
// And copy them
// copyMeshBuffersShader.Dispatch(copyMeshBufferKernel, copySize / copyMeshBufferGroupSize.x, 1, 1);
renderer.ClearChunks();
renderer.AddChunkToRender(verticesBuffer, normalsBuffer, worldPosition * chunkSize, verticesCount);
sw.Stop();
}
