private DisposableList <HLODBuildInfo> CreateBuildInfo(TerrainData data, SpaceNode root)
{
DisposableList <HLODBuildInfo> results = new DisposableList <HLODBuildInfo>();
Queue <SpaceNode> trevelQueue = new Queue <SpaceNode>();
Queue <int> parentQueue = new Queue <int>();
Queue <string> nameQueue = new Queue <string>();
Queue <int> depthQueue = new Queue <int>();
int maxDepth = 0;
trevelQueue.Enqueue(root);
parentQueue.Enqueue(-1);
nameQueue.Enqueue("HLOD");
depthQueue.Enqueue(0);
while (trevelQueue.Count > 0)
{
int currentNodeIndex = results.Count;
string name = nameQueue.Dequeue();
SpaceNode node = trevelQueue.Dequeue();
int depth = depthQueue.Dequeue();
HLODBuildInfo info = new HLODBuildInfo
{
Name = name,
ParentIndex = parentQueue.Dequeue(),
Target = node,
};
for (int i = 0; i < node.GetChildCount(); ++i)
{
trevelQueue.Enqueue(node.GetChild(i));
parentQueue.Enqueue(currentNodeIndex);
nameQueue.Enqueue(name + "_" + (i + 1));
depthQueue.Enqueue(depth + 1);
}
info.Heightmap = CreateSubHightmap(node.Bounds);
info.WorkingObjects.Add(CreateBakedTerrain(name, node.Bounds, info.Heightmap, depth, node.GetChildCount() == 0));
info.Distances.Add(depth);
results.Add(info);
if (depth > maxDepth)
{
maxDepth = depth;
}
}
//convert depth to distance
for (int i = 0; i < results.Count; ++i)
{
HLODBuildInfo info = results[i];
for (int di = 0; di < info.Distances.Count; ++di)
{
info.Distances[di] = maxDepth - info.Distances[di];
}
}
return(results);
}
private static int GetTargetCount(SpaceNode node)
{
int count = 0;
Stack <SpaceNode> searchNodes = new Stack <SpaceNode>();
searchNodes.Push(node);
while (searchNodes.Count > 0)
{
SpaceNode curNode = searchNodes.Pop();
count += curNode.Objects.Count;
for (int i = 0; i < curNode.GetChildCount(); ++i)
{
searchNodes.Push(curNode.GetChild(i));
}
}
return(count);
}
private static DisposableList <HLODBuildInfo> CreateBuildInfo(SpaceNode root, float minObjectSize)
{
List <HLODBuildInfo> resultsCandidates = new List <HLODBuildInfo>();
Queue <SpaceNode> trevelQueue = new Queue <SpaceNode>();
Queue <int> parentQueue = new Queue <int>();
Queue <string> nameQueue = new Queue <string>();
Queue <int> levelQueue = new Queue <int>();
trevelQueue.Enqueue(root);
parentQueue.Enqueue(-1);
levelQueue.Enqueue(0);
nameQueue.Enqueue("");
while (trevelQueue.Count > 0)
{
int currentNodeIndex = resultsCandidates.Count;
string name = nameQueue.Dequeue();
SpaceNode node = trevelQueue.Dequeue();
HLODBuildInfo info = new HLODBuildInfo
{
Name = name,
ParentIndex = parentQueue.Dequeue(),
Target = node
};
for (int i = 0; i < node.GetChildCount(); ++i)
{
trevelQueue.Enqueue(node.GetChild(i));
parentQueue.Enqueue(currentNodeIndex);
nameQueue.Enqueue(name + "_" + (i + 1));
}
resultsCandidates.Add(info);
//it should add to every parent.
List <MeshRenderer> meshRenderers = GetMeshRenderers(node.Objects, minObjectSize);
List <Collider> colliders = GetColliders(node.Objects, minObjectSize);
int distance = 0;
while (currentNodeIndex >= 0)
{
var curInfo = resultsCandidates[currentNodeIndex];
for (int i = 0; i < meshRenderers.Count; ++i)
{
curInfo.WorkingObjects.Add(meshRenderers[i].ToWorkingObject(Allocator.Persistent));
curInfo.Distances.Add(distance);
}
for (int i = 0; i < colliders.Count; ++i)
{
curInfo.Colliders.Add(colliders[i].ToWorkingCollider());
}
currentNodeIndex = curInfo.ParentIndex;
distance += 1;
}
}
DisposableList <HLODBuildInfo> results = new DisposableList <HLODBuildInfo>();
for (int i = 0; i < resultsCandidates.Count; ++i)
{
if (resultsCandidates[i].WorkingObjects.Count > 0)
{
results.Add(resultsCandidates[i]);
}
else
{
resultsCandidates[i].Dispose();
}
}
return(results);
}