99 lines
3.4 KiB
C#
99 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UniHumanoid;
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using UnityEngine;
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using UniGLTF.Utils;
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namespace UniVRM10
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{
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/// <summary>
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/// VRM 1.0 モデルインスタンスに対して、コントロールリグを生成します。
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/// これは VRM 0.x のような、正規化されたボーン操作を提供します。
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///
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/// Create a control rig for the VRM 1.0 model instance.
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/// This provides the normalized operation of bones, like VRM 0.x.
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/// </summary>
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public sealed class Vrm10RuntimeControlRig : IDisposable, INormalizedPoseApplicable, ITPoseProvider
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{
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private readonly Transform _controlRigRoot;
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private readonly Vrm10ControlBone _hipBone;
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private readonly Dictionary<HumanBodyBones, Vrm10ControlBone> _bones;
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private readonly Avatar _controlRigAvatar;
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public IReadOnlyDictionary<HumanBodyBones, Vrm10ControlBone> Bones => _bones;
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public Animator ControlRigAnimator { get; }
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/// <summary>
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/// humanoid に対して ControlRig を生成します
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/// </summary>
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/// <param name="humanoid">T-Pose である必要があります</param>
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/// <param name="vrmRoot"></param>
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public Vrm10RuntimeControlRig(UniHumanoid.Humanoid humanoid, Transform vrmRoot)
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{
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_controlRigRoot = new GameObject("Runtime Control Rig").transform;
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_controlRigRoot.SetParent(vrmRoot);
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_hipBone = Vrm10ControlBone.Build(humanoid, out _bones, _controlRigRoot);
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_hipBone.ControlBone.SetParent(_controlRigRoot);
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var transformBonePairs = _bones.Select(kv => (kv.Value.ControlBone, kv.Key));
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_controlRigAvatar = HumanoidLoader.LoadHumanoidAvatar(vrmRoot, transformBonePairs);
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_controlRigAvatar.name = "Runtime Control Rig";
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ControlRigAnimator = vrmRoot.GetComponent<Animator>();
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ControlRigAnimator.avatar = _controlRigAvatar;
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}
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public void Dispose()
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{
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UnityEngine.Object.Destroy(_controlRigAvatar);
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UnityEngine.Object.Destroy(_controlRigRoot);
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}
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internal void Process()
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{
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_hipBone.ControlTarget.position = _hipBone.ControlBone.position;
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_hipBone.ProcessRecursively();
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}
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public Transform GetBoneTransform(HumanBodyBones bone)
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{
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if (_bones.TryGetValue(bone, out var value))
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{
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return value.ControlBone;
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}
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else
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{
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return null;
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}
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}
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void INormalizedPoseApplicable.SetRawHipsPosition(Vector3 position)
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{
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var world = _controlRigRoot.TransformPoint(position);
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_hipBone.ControlBone.position = world;
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}
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void INormalizedPoseApplicable.SetNormalizedLocalRotation(HumanBodyBones bone, Quaternion normalizedLocalRotation)
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{
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if (_bones.TryGetValue(bone, out var t))
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{
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t.ControlBone.localRotation = normalizedLocalRotation;
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}
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}
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EuclideanTransform? ITPoseProvider.GetWorldTransform(HumanBodyBones bone)
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{
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if (_bones.TryGetValue(bone, out var t))
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{
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return new EuclideanTransform(t.InitialTargetGlobalPosition);
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}
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else
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{
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return default;
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}
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}
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}
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}
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