public void Init(BakedGPUAnimation animation, GPURendererRes res)
{
_bakedAnimation = animation;
_rendererRes = res;
_skinningData = animation.skinningData;
_pixelPerFrame = _skinningData.boneInfos.Length * 3;
GameObject go = animation.gameObject;
Transform t = go.transform;
t.localPosition = Vector3.zero;
t.localRotation = Quaternion.identity;
_meshRenderer = go.GetOrAddComponent <MeshRenderer>();
_meshFilter = go.GetOrAddComponent <MeshFilter>();
_meshFilter.sharedMesh = res.mesh;
_rendererParamDirty = true;
_runningBakedAnimData = new RunningBakedAnimData();
_meshRenderer.additionalVertexStreams = _rendererRes.additionalMesh;
_meshRenderer.sharedMaterial = _rendererRes.bakedGPUMaterial;
_AnimParamId = Shader.PropertyToID("_AnimParam");
_mbp = new MaterialPropertyBlock();
_meshRenderer.SetPropertyBlock(_mbp);
}
public VirtualBoneTransform[] GetOrCreateVBTs(SkinningData skinningData)
{
VirtualBoneTransform[] ret;
if (_dic.TryGetValue(skinningData, out ret))
{
return(ret);
}
ret = BuildBoneHierarchy(skinningData);
return(ret);
}
public GPUAnimationState(SkinningData skinningData, string clipName)
{
_skinningData = skinningData;
foreach (var clip in _skinningData.clipInfos)
{
if (clip.name == clipName)
{
_clipInfo = clip;
break;
}
}
Init();
}
/// <summary>
/// 获取或者创建 Res
/// </summary>
/// <param name="smr"></param>
/// <param name="skinningData"></param>
/// <returns></returns>
public GPURendererRes GetOrCreateRes(SkinnedMeshRenderer smr, SkinningData skinningData)
{
int id = smr.sharedMesh.GetInstanceID();
GPURendererRes ret = null;
if (_dic.TryGetValue(id, out ret))
{
return(ret);
}
ret = new GPURendererRes();
ret.skinningData = skinningData;
ret.mesh = smr.sharedMesh;
CreateSkinMesh(smr, ret);
CreateBakedTexture2D(ret);
CreateMaterial(smr, ret);
_dic.Add(id, ret);
return(ret);
}
private VirtualBoneTransform[] BuildBoneHierarchy(SkinningData skinningData)
{
BoneInfo[] boneInfos = skinningData.boneInfos;
VirtualBoneTransform[] ret = new VirtualBoneTransform[skinningData.boneInfos.Length];
for (int i = 0; i < ret.Length; i++)
{
ret[i] = new VirtualBoneTransform();
ret[i].name = boneInfos[i].name;
}
for (int i = 0; i < ret.Length; i++)
{
int parentIdx = boneInfos[i].parentIdx;
if (parentIdx != -1)
{
ret[i].parent = ret[parentIdx];
ret[parentIdx].children.Add(ret[i]);
}
}
//Debug.Assert(_jointTrans != null);
return(ret);
}
/// <summary>
/// 计算 smr 中 bone 的索引顺序与 Bake 后的 SkinningData 中记录的 bone 的索引之间的映射关系，
/// 因为 smr 中并不包含所有的 bone，并且顺序也不一定与 SkinningData 一致
/// 返回值的结构：index: original bone index, value: baked bone index
/// </summary>
/// <param name="smr"></param>
/// <param name="skinningData"></param>
/// <returns></returns>
public static int[] CalcBoneIdxMap(SkinnedMeshRenderer smr, SkinningData skinningData)
{
Transform[] bones = smr.bones;
int boneCount = bones.Length;
int skinnedBoneCount = skinningData.boneInfos.Length;
int[] boneIdxMap = new int[boneCount];
for (int i = 0; i < boneCount; i++)
{
#if UNITY_EDITOR
bool found = false;
#endif
string boneName = bones[i].name;
for (int j = 0; j < skinnedBoneCount; j++)
{
if (skinningData.boneInfos[j].name == boneName)
{
boneIdxMap[i] = j;
#if UNITY_EDITOR
found = true;
#endif
break;
}
}
#if UNITY_EDITOR
if (found == false)
{
Debug.LogErrorFormat("can not find bone {0}", boneName);
}
#endif
}
return(boneIdxMap);
}
private Vector4[] _matrixPalette; // _boneIdxMap.Length * 3
public VirtualBoneTransformController(SkinningData skinningData)
{
_skinningData = skinningData;
_boneTransforms = VirtualBoneTransformCache.Instance.GetOrCreateVBTs(skinningData);
}
private void Start()
{
_skinningData = GetComponent <GPUAnimationPlayer>().skinningData;
_vbtController = new VirtualBoneTransformController(_skinningData);
}
public GPUAnimationState(SkinningData skinningData, int clipIdx)
{
_skinningData = skinningData;
_clipInfo = _skinningData.clipInfos[clipIdx];
Init();
}
