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-rw-r--r--Assets/ThirdParty/VRM/VRM/UniHumanoid/Scripts/Format/Bvh.cs444
1 files changed, 0 insertions, 444 deletions
diff --git a/Assets/ThirdParty/VRM/VRM/UniHumanoid/Scripts/Format/Bvh.cs b/Assets/ThirdParty/VRM/VRM/UniHumanoid/Scripts/Format/Bvh.cs
deleted file mode 100644
index 6c39c3b8..00000000
--- a/Assets/ThirdParty/VRM/VRM/UniHumanoid/Scripts/Format/Bvh.cs
+++ /dev/null
@@ -1,444 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-
-
-namespace UniHumanoid
-{
- public class BvhException : Exception
- {
- public BvhException(string msg) : base(msg) { }
- }
-
- public enum Channel
- {
- Xposition,
- Yposition,
- Zposition,
- Xrotation,
- Yrotation,
- Zrotation,
- }
- public static class ChannelExtensions
- {
- public static string ToProperty(this Channel ch)
- {
- switch (ch)
- {
- case Channel.Xposition: return "localPosition.x";
- case Channel.Yposition: return "localPosition.y";
- case Channel.Zposition: return "localPosition.z";
- case Channel.Xrotation: return "localEulerAnglesBaked.x";
- case Channel.Yrotation: return "localEulerAnglesBaked.y";
- case Channel.Zrotation: return "localEulerAnglesBaked.z";
- }
-
- throw new BvhException("no property for " + ch);
- }
-
- public static bool IsLocation(this Channel ch)
- {
- switch (ch)
- {
- case Channel.Xposition:
- case Channel.Yposition:
- case Channel.Zposition: return true;
- case Channel.Xrotation:
- case Channel.Yrotation:
- case Channel.Zrotation: return false;
- }
-
- throw new BvhException("no property for " + ch);
- }
- }
-
- public struct Single3
- {
- public Single x;
- public Single y;
- public Single z;
-
- public Single3(Single _x, Single _y, Single _z)
- {
- x = _x;
- y = _y;
- z = _z;
- }
- }
-
- public class BvhNode
- {
- public String Name
- {
- get;
- private set;
- }
-
- public Single3 Offset
- {
- get;
- private set;
- }
-
- public Channel[] Channels
- {
- get;
- private set;
- }
-
- public List<BvhNode> Children
- {
- get;
- private set;
- }
-
- public BvhNode(string name)
- {
- Name = name;
- Children = new List<BvhNode>();
- }
-
- public virtual void Parse(StringReader r)
- {
- Offset = ParseOffset(r.ReadLine());
-
- Channels = ParseChannel(r.ReadLine());
- }
-
- static Single3 ParseOffset(string line)
- {
- var split = line.Trim().Split();
- if (split[0] != "OFFSET")
- {
- throw new BvhException("OFFSET is not found");
- }
-
- var offset = split.Skip(1).Where(x => !string.IsNullOrEmpty(x)).Select(x => float.Parse(x, System.Globalization.CultureInfo.InvariantCulture)).ToArray();
- return new Single3(offset[0], offset[1], offset[2]);
- }
-
- static Channel[] ParseChannel(string line)
- {
- var split = line.Trim().Split();
- if (split[0] != "CHANNELS")
- {
- throw new BvhException("CHANNELS is not found");
- }
- var count = int.Parse(split[1]);
- if (count + 2 != split.Length)
- {
- throw new BvhException("channel count is not match with split count");
- }
- return split.Skip(2).Select(x => (Channel)Enum.Parse(typeof(Channel), x)).ToArray();
- }
-
- public IEnumerable<BvhNode> Traverse()
- {
- yield return this;
-
- foreach (var child in Children)
- {
- foreach (var descendant in child.Traverse())
- {
- yield return descendant;
- }
- }
- }
- }
-
- public class EndSite : BvhNode
- {
- public EndSite(): base("")
- {
- }
-
- public override void Parse(StringReader r)
- {
- r.ReadLine(); // offset
- }
- }
-
- public class ChannelCurve
- {
- public float[] Keys
- {
- get;
- private set;
- }
-
- public ChannelCurve(int frameCount)
- {
- Keys = new float[frameCount];
- }
-
- public void SetKey(int frame, float value)
- {
- Keys[frame] = value;
- }
- }
-
- public class Bvh
- {
- public BvhNode Root
- {
- get;
- private set;
- }
-
- public TimeSpan FrameTime
- {
- get;
- private set;
- }
-
- public ChannelCurve[] Channels
- {
- get;
- private set;
- }
-
- int m_frames;
- public int FrameCount
- {
- get { return m_frames; }
- }
-
- public struct PathWithProperty
- {
- public string Path;
- public string Property;
- public bool IsLocation;
- }
-
- public bool TryGetPathWithPropertyFromChannel(ChannelCurve channel, out PathWithProperty pathWithProp)
- {
- var index = Channels.ToList().IndexOf(channel);
- if (index == -1)
- {
- pathWithProp = default(PathWithProperty);
- return false;
- }
-
- foreach(var node in Root.Traverse())
- {
- for(int i=0; i<node.Channels.Length; ++i, --index)
- {
- if (index == 0)
- {
- pathWithProp = new PathWithProperty
- {
- Path=GetPath(node),
- Property=node.Channels[i].ToProperty(),
- IsLocation=node.Channels[i].IsLocation(),
- };
- return true;
- }
- }
- }
-
- throw new BvhException("channel is not found");
- }
-
- public string GetPath(BvhNode node)
- {
- var list = new List<string>() { node.Name };
-
- var current = node;
- while (current!=null)
- {
- current = GetParent(current);
- if (current != null)
- {
- list.Insert(0, current.Name);
- }
- }
-
- return String.Join("/", list.ToArray());
- }
-
- BvhNode GetParent(BvhNode node)
- {
- foreach(var x in Root.Traverse())
- {
- if (x.Children.Contains(node))
- {
- return x;
- }
- }
-
- return null;
- }
-
- public ChannelCurve GetChannel(BvhNode target, Channel channel)
- {
- var index = 0;
- foreach (var node in Root.Traverse())
- {
- for (int i = 0; i < node.Channels.Length; ++i, ++index)
- {
- if(node==target && node.Channels[i] == channel)
- {
- return Channels[index];
- }
- }
- }
-
- throw new BvhException("channel is not found");
- }
-
- public override string ToString()
- {
- return string.Format("{0}nodes, {1}channels, {2}frames, {3:0.00}seconds"
- , Root.Traverse().Count()
- , Channels.Length
- , m_frames
- , m_frames * FrameTime.TotalSeconds);
- }
-
- public Bvh(BvhNode root, int frames, float seconds)
- {
- Root = root;
- FrameTime = TimeSpan.FromSeconds(seconds);
- m_frames = frames;
- var channelCount = Root.Traverse()
- .Where(x => x.Channels!=null)
- .Select(x => x.Channels.Length)
- .Sum();
- Channels = Enumerable.Range(0, channelCount)
- .Select(x => new ChannelCurve(frames))
- .ToArray()
- ;
- }
-
- public void ParseFrame(int frame, string line)
- {
- var split = line.Trim().Split().Where(x => !string.IsNullOrEmpty(x)).ToArray();
- if (split.Length != Channels.Length)
- {
- throw new BvhException("frame key count is not match channel count");
- }
- for(int i=0; i<Channels.Length; ++i)
- {
- Channels[i].SetKey(frame, float.Parse(split[i], System.Globalization.CultureInfo.InvariantCulture));
- }
- }
-
- public static Bvh Parse(string src)
- {
- using (var r = new StringReader(src))
- {
- if (r.ReadLine() != "HIERARCHY")
- {
- throw new BvhException("not start with HIERARCHY");
- }
-
- var root = ParseNode(r);
- if (root == null)
- {
- return null;
- }
-
- var frames = 0;
- var frameTime = 0.0f;
- if (r.ReadLine() == "MOTION")
- {
- var frameSplit = r.ReadLine().Split(':');
- if (frameSplit[0] != "Frames")
- {
- throw new BvhException("Frames is not found");
- }
- frames = int.Parse(frameSplit[1]);
-
- var frameTimeSplit = r.ReadLine().Split(':');
- if (frameTimeSplit[0] != "Frame Time")
- {
- throw new BvhException("Frame Time is not found");
- }
- frameTime = float.Parse(frameTimeSplit[1], System.Globalization.CultureInfo.InvariantCulture);
- }
-
- var bvh = new Bvh(root, frames, frameTime);
-
- for(int i=0; i<frames; ++i)
- {
- var line = r.ReadLine();
- bvh.ParseFrame(i, line);
- }
-
- return bvh;
- }
- }
-
- static BvhNode ParseNode(StringReader r, int level = 0)
- {
- var firstline = r.ReadLine().Trim();
- var split = firstline.Split();
- if (split.Length != 2)
- {
- if (split.Length == 1)
- {
- if(split[0] == "}")
- {
- return null;
- }
- }
- throw new BvhException(String.Format("split to {0}({1})", split.Length, firstline));
- }
-
- BvhNode node = null;
- if (split[0] == "ROOT")
- {
- if (level != 0)
- {
- throw new BvhException("nested ROOT");
- }
- node = new BvhNode(split[1]);
- }
- else if (split[0] == "JOINT")
- {
- if (level == 0)
- {
- throw new BvhException("should ROOT, but JOINT");
- }
- node = new BvhNode(split[1]);
- }
- else if (split[0] == "End")
- {
- if (level == 0)
- {
- throw new BvhException("End in level 0");
- }
- node = new EndSite();
- }
- else
- {
- throw new BvhException("unknown type: " + split[0]);
- }
-
- if(r.ReadLine().Trim() != "{")
- {
- throw new BvhException("'{' is not found");
- }
-
- node.Parse(r);
-
- // child nodes
- while (true)
- {
- var child = ParseNode(r, level + 1);
- if (child == null)
- {
- break;
- }
-
- if(!(child is EndSite))
- {
- node.Children.Add(child);
- }
- }
-
- return node;
- }
- }
-}
generated by cgit v1.1-26-g67d0 at 2025-06-05 09:57:32 +0000