public void FlushMeshGenerationData(string outputDirectory)
{
if (outputPoints.Count == 0)
{
return;
}
var data = outputPoints.ToDictionary(x => x.Key, x => x.Value.Position);
EditorTreeUtility.SaveMeshGenerationData(
Path.Combine(outputDirectory, $"{nodeRecord.Identifier}.meshdata"),
cellsPerAxis,
data);
bool IsEdgeCell(int id)
{
var xyz = TreeUtility.Unflatten(id, cellsPerAxis);
return((xyz.x == 0) || (xyz.y == 0) || (xyz.z == 0));
}
var edgeData = data
.Where(x => IsEdgeCell(x.Key))
.ToDictionary(x => x.Key, x => x.Value);
if (edgeData.Count == 0)
{
return;
}
EditorTreeUtility.SaveMeshGenerationData(
Path.Combine(outputDirectory, $"{nodeRecord.Identifier}.meshedge"),
cellsPerAxis,
edgeData);
}
public Bounds AlignBounds(TreeImportSettings settings, Bounds bounds)
{
var origin = bounds.min.y;
var step = EditorTreeUtility.GetStepAtTreeLevel(bounds, settings, settings.meshDetailLevel);
var alignedBounds = TreeUtility.GetRoundedAlignedBounds(bounds, bounds.min, step);
var alignedOrigin = alignedBounds.min.y;
var peak = FindPeak();
var targetCenter = origin + (bounds.size.y / Resolution) * (peak + 0.5f);
var tmpDst = float.MaxValue;
var actualCenter = 0f;
for (var i = 0; i < (int)(alignedBounds.size.y / step); ++i)
{
var pos = alignedOrigin + (i + 0.5f) * step;
var dst = Mathf.Abs(targetCenter - pos);
if (dst < tmpDst)
{
actualCenter = pos;
tmpDst = dst;
}
else
{
Debug.Log($"Break at i ({actualCenter:F4})");
break;
}
}
var diff = targetCenter - actualCenter;
if (diff > 0)
{
diff -= step;
}
var height = bounds.max.y - bounds.min.y;
var alignedMin = alignedBounds.min;
alignedMin.y += diff;
alignedBounds.min = alignedMin;
Debug.Log($"origin: {origin:F4}, AO: {alignedBounds.min.y:F4}, height: {height:F4}, step: {step:F4}, TC: {targetCenter:F4}, AC: {actualCenter:F4}");
return(alignedBounds);
}
public void UpdateForNode(NodeRecord record, float minimumDistance, bool alignDistance = false)
{
nodeRecord = record;
if (alignDistance)
{
var newDist = Mathf.Min(rootBounds.size.x, rootBounds.size.z) / settings.rootNodeSubdivision;
while (0.5f * newDist > settings.minPointDistance)
{
newDist *= 0.5f;
}
minimumDistance = newDist;
}
cellStep = minimumDistance;
alignedBounds = TreeUtility.GetRoundedAlignedBounds(nodeRecord.Bounds, rootBounds.min, minimumDistance);
EditorTreeUtility.CalculateGridSize(alignedBounds, minimumDistance, cellsPerAxis);
}
protected override void DoWorkInternal(NodeRecord record)
{
var mainFilePath = Path.Combine(tmpDataPath, $"{record.Identifier}.meshdata");
EditorTreeUtility.LoadMeshGenerationData(mainFilePath, voxelData);
var intermediateMesh = new MeshData();
for (var i = 1; i < LutOffsets.Length; ++i)
{
if (TryGetNeighbourId(record.Identifier, LutOffsets[i], out var neighbourId))
{
var edgePath = Path.Combine(tmpDataPath, $"{neighbourId}.meshedge");
if (!File.Exists(edgePath))
{
neighborData[LutOffsets[i]].Clear();
continue;
}
EditorTreeUtility.LoadMeshGenerationData(edgePath, neighborData[LutOffsets[i]]);
}
else
{
neighborData[LutOffsets[i]].Clear();
}
}
for (var i = 0; i < settings.erosionPasses; ++i)
{
ProcessErode(record);
}
var step = Mathf.Min(record.Bounds.size.x, record.Bounds.size.z) /
settings.rootNodeSubdivision;
var alignedBounds = TreeUtility.GetRoundedAlignedBounds(record.Bounds, importData.Bounds.min, step);
var roadBounds = importData.RoadBounds;
var centerOffset = Vector3.one * (step * 0.5f);
for (var x = 0; x < voxelData.gridSize[0]; x++)
{
for (var y = 0; y < voxelData.gridSize[1]; y++)
{
for (var z = 0; z < voxelData.gridSize[2]; z++)
{
if (cancelFlag)
{
return;
}
var coord = new Vector3Int(x, y, z);
for (var i = 0; i < LutOffsets.Length; i++)
{
var pos = coord + LutOffsets[i];
if (!TryGetBuilderVert(pos, out var vert))
{
cube[i] = null;
}
else if (!roadBounds.Contains(vert.position))
{
cube[i] = null;
}
else
{
var rel = vert.position - alignedBounds.min;
var value = rel - (Vector3)pos * step - centerOffset;
cube[i] = value;
}
}
ProcessCube(coord, intermediateMesh);
VoxelsDone++;
}
}
}
for (var i = 0; i < settings.erosionPasses; ++i)
{
LevelPoints();
}
var finalMesh = ProcessFinalMesh(intermediateMesh);
var filePath = Path.Combine(dataPath, record.Identifier + TreeUtility.MeshFileExtension);
finalMesh.SaveToFile(filePath);
}
