// voxelArray is only used if createIfMissing is true
private static Voxel SearchDown(OctreeNode node, Vector3Int position, bool createIfMissing, VoxelArray voxelArray)
{
VoxelComponent useComponent = null;
while (node.size != 1)
{
// initial root node is larger than COMPONENT_BLOCK_SIZE so a component node should always be found
if (createIfMissing && useComponent == null && node.size == COMPONENT_BLOCK_SIZE)
{
if (node.voxelComponent == null || node.voxelComponent.isDestroyed)
{
GameObject voxelObject = new GameObject();
voxelObject.transform.parent = voxelArray.transform;
voxelObject.name = node.position.ToString();
node.voxelComponent = voxelObject.AddComponent <VoxelComponent>();
}
useComponent = node.voxelComponent;
}
int halfSize = node.size / 2;
bool xLarge = position.x >= node.position.x + halfSize;
bool yLarge = position.y >= node.position.y + halfSize;
bool zLarge = position.z >= node.position.z + halfSize;
int branchI = (xLarge ? 1 : 0) + (yLarge ? 2 : 0) + (zLarge ? 4 : 0);
OctreeNode branch = node.branches[branchI];
if (branch == null)
{
if (!createIfMissing)
{
return(null);
}
Vector3Int branchPos = new Vector3Int(
node.position.x + (xLarge ? halfSize : 0),
node.position.y + (yLarge ? halfSize : 0),
node.position.z + (zLarge ? halfSize : 0)
);
branch = new OctreeNode(branchPos, halfSize);
node.branches[branchI] = branch;
branch.parent = node;
}
node = branch;
}
if (!createIfMissing)
{
return(node.voxel);
}
else if (node.voxel != null)
{
return(node.voxel);
}
else
{
Voxel newVoxel = voxelArray.InstantiateVoxel(position, useComponent);
node.voxel = newVoxel;
newVoxel.octreeNode = node;
return(newVoxel);
}
}
private void ReadVoxel(JSONObject voxelObject, VoxelArray voxelArray,
List <Material> materials, List <Substance> substances)
{
if (voxelObject["at"] == null)
{
return;
}
Vector3 position = ReadVector3(voxelObject["at"].AsArray);
Voxel voxel = null;
if (!editor)
{
// slightly faster -- doesn't add to octree
voxel = voxelArray.InstantiateVoxel(position);
}
else
{
voxel = voxelArray.VoxelAt(position, true);
}
if (voxelObject["s"] != null)
{
voxel.substance = substances[voxelObject["s"].AsInt];
}
if (voxelObject["f"] != null)
{
foreach (JSONNode faceNode in voxelObject["f"].AsArray)
{
JSONObject faceObject = faceNode.AsObject;
if (fileWriterVersion == 0)
{
// faces were oriented differently. Get voxel for each face
int faceI = faceObject["i"].AsInt;
voxel = voxelArray.VoxelAt(position + Voxel.DirectionForFaceI(faceI), true);
}
ReadFace(faceObject, voxel, materials);
}
}
if (voxelObject["e"] != null)
{
foreach (JSONNode edgeNode in voxelObject["e"].AsArray)
{
ReadEdge(edgeNode.AsObject, voxel);
}
}
voxel.UpdateVoxel();
}
private void ReadVoxel(MessagePackObject voxelObj, VoxelArray voxelArray,
List <Material> materials, List <Material> overlays, List <Substance> substances)
{
var voxelList = voxelObj.AsList();
if (voxelList.Count == 0)
{
return;
}
Vector3 position = ReadVector3(voxelList[0]);
Voxel voxel = null;
if (!editor)
{
// slightly faster -- doesn't add to octree
voxel = voxelArray.InstantiateVoxel(position);
}
else
{
voxel = voxelArray.VoxelAt(position, true);
}
if (voxelList.Count >= 2)
{
foreach (var faceObj in voxelList[1].AsList())
{
ReadFace(faceObj, voxel, materials, overlays);
}
}
if (voxelList.Count >= 3 && voxelList[2].AsInt32() != -1)
{
voxel.substance = substances[voxelList[2].AsInt32()];
}
if (voxelList.Count >= 4)
{
foreach (var edgeObj in voxelList[3].AsList())
{
ReadEdge(edgeObj, voxel);
}
}
voxel.UpdateVoxel();
}