public BvhNode(BvhHierarchy hierarchy, BvhNode parent, BvhNodeType type = BvhNodeType.NONE, string name = "my_node")
{
this.hierarchy = hierarchy;
this.parent = parent;
this.type = type;
this.name = name;
}
public BvhNode AddNewNode(BvhNode parent, BvhNodeType type, string name)
{
BvhNode newNode = new BvhNode(this, parent, type, name);
nodes.Add(newNode);
return(newNode);
}
public int RegisterChannels(int number, BvhNode node)
{
int startIndex = channelIndex;
for (int i = 0; i < number; i++)
{
channelNodes.Add(channelIndex, node);
channelIndex++;
}
return(startIndex);
}
public BvhNode AddChild(BvhNode childNode)
{
children.Add(childNode);
return(childNode);
}
public static BvhHierarchy FromFileData(string fileData)
{
BvhHierarchy hierarchy = new BvhHierarchy();
BvhNode currentNode = null;
Section currentSection = Section.NONE;
string[] lines = fileData.Split('\n');
// Loop each line in file
foreach (string str in lines)
{
string str_noTab = Regex.Replace(str, @"\t", ""); // get rid of '\t'
List <string> args = str_noTab.Split(' ').ToList();
if (args.Count == 0)
{
continue;
}
try
{
switch (args[0].Trim())
{
case "": break;
case "HIERARCHY": currentSection = Section.HIERARCHY; break;
case "MOTION": currentSection = Section.MOTION; break;
case "ROOT":
currentNode = hierarchy.AddNewNode(null, BvhNodeType.ROOT, args[1]);
break;
case "JOINT":
currentNode = currentNode.AddChild(hierarchy.AddNewNode(currentNode, BvhNodeType.JOINT, args[1]));
break;
case "End":
currentNode = currentNode.AddChild(hierarchy.AddNewNode(currentNode, BvhNodeType.ENDSITE, "_end"));
break;
case "OFFSET":
currentNode.SetOffset(args[1], args[2], args[3]);
break;
case "CHANNELS":
List <string> names = new List <string>(args);
names.RemoveRange(0, 2);
currentNode.SetChannels(args[1], names);
break;
case "{": break;
case "}":
if (currentNode.type != BvhNodeType.ROOT)
{
currentNode = currentNode.parent;
}
break;
case "Frames:":
hierarchy.frameNumber = int.Parse(args[1]);
break;
case "Frame":
hierarchy.frameTime = float.Parse(args[2]);
break;
default:
// Number lines
if (currentSection == Section.MOTION)
{
if (!TryParsingNumbers(hierarchy, args))
{
Debug.LogWarning("Grammar not desired: " + str_noTab);
}
}
else
{
Debug.Log(args[0][9].ToString());
Debug.LogWarning("Grammar not desired: " + str_noTab);
}
break;
}
}catch (Exception err)
{
Debug.Log(err);
Debug.Log("Error in load BVH: in " + str_noTab);
}
}
return(hierarchy);
}
