private void CollectBones(List <GPUSkinningBone> bones_result, Transform[] bones_smr, Matrix4x4[] bindposes, GPUSkinningBone parentBone, Transform currentBoneTransform, int currentBoneIndex)
{
GPUSkinningBone currentBone = new GPUSkinningBone();
bones_result.Add(currentBone);
int indexOfSmrBones = System.Array.IndexOf(bones_smr, currentBoneTransform);
currentBone.transform = currentBoneTransform;
currentBone.name = currentBone.transform.gameObject.name;
currentBone.bindpose = indexOfSmrBones == -1 ? Matrix4x4.identity : bindposes[indexOfSmrBones];
currentBone.parentBoneIndex = parentBone == null ? -1 : bones_result.IndexOf(parentBone);
if (parentBone != null)
{
parentBone.childrenBonesIndices[currentBoneIndex] = bones_result.IndexOf(currentBone);
}
int numChildren = currentBone.transform.childCount;
if (numChildren > 0)
{
currentBone.childrenBonesIndices = new int[numChildren];
for (int i = 0; i < numChildren; ++i)
{
CollectBones(bones_result, bones_smr, bindposes, currentBone, currentBone.transform.GetChild(i), i);
}
}
}
private void OnGUI_Bone(GPUSkinningBone bone, int indentLevel)
{
GUILayout.BeginHorizontal();
{
for (int i = 0; i < indentLevel; ++i)
{
GUILayout.Space(20);
}
EditorGUI.BeginChangeCheck();
bool isExposed = GUILayout.Toggle(bone.isExposed, bone.name);
if (EditorGUI.EndChangeCheck())
{
bone.isExposed = isExposed;
ApplyAnimModification();
}
}
GUILayout.EndHorizontal();
int numChildren = bone.childrenBonesIndices == null ? 0 : bone.childrenBonesIndices.Length;
for (int i = 0; i < numChildren; ++i)
{
OnGUI_Bone(anim.bones[bone.childrenBonesIndices[i]], indentLevel + 1);
}
}
private IEnumerator SamplingCoroutine(GPUSkinningFrame frame, int totalFrames)
{
yield return(new WaitForEndOfFrame());
GPUSkinningBone[] bones = gpuSkinningAnimation.bones;
int numBones = bones.Length;
for (int i = 0; i < numBones; ++i)
{
Transform boneTransform = bones[i].transform;
GPUSkinningBone currentBone = GetBoneByTransform(boneTransform);
frame.matrices[i] = currentBone.bindpose;
do
{
Matrix4x4 mat = Matrix4x4.TRS(currentBone.transform.localPosition, currentBone.transform.localRotation, currentBone.transform.localScale);
frame.matrices[i] = mat * frame.matrices[i];
if (currentBone.parentBoneIndex == -1)
{
break;
}
else
{
currentBone = bones[currentBone.parentBoneIndex];
}
}while (true);
}
if (samplingFrameIndex == 0)
{
rootMotionPosition = bones[gpuSkinningAnimation.rootBoneIndex].transform.localPosition;
rootMotionRotation = bones[gpuSkinningAnimation.rootBoneIndex].transform.localRotation;
}
else
{
Vector3 newPosition = bones[gpuSkinningAnimation.rootBoneIndex].transform.localPosition;
Quaternion newRotation = bones[gpuSkinningAnimation.rootBoneIndex].transform.localRotation;
Vector3 deltaPosition = newPosition - rootMotionPosition;
frame.rootMotionDeltaPositionQ = Quaternion.Inverse(Quaternion.Euler(transform.forward.normalized)) * Quaternion.Euler(deltaPosition.normalized);
frame.rootMotionDeltaPositionL = deltaPosition.magnitude;
frame.rootMotionDeltaRotation = Quaternion.Inverse(rootMotionRotation) * newRotation;
rootMotionPosition = newPosition;
rootMotionRotation = newRotation;
if (samplingFrameIndex == 1)
{
gpuSkinningClip.frames[0].rootMotionDeltaPositionQ = gpuSkinningClip.frames[1].rootMotionDeltaPositionQ;
gpuSkinningClip.frames[0].rootMotionDeltaPositionL = gpuSkinningClip.frames[1].rootMotionDeltaPositionL;
gpuSkinningClip.frames[0].rootMotionDeltaRotation = gpuSkinningClip.frames[1].rootMotionDeltaRotation;
}
}
++samplingFrameIndex;
}
public static string BoneHierarchyPath(GPUSkinningBone[] bones, int boneIndex)
{
if (bones == null || boneIndex < 0 || boneIndex >= bones.Length)
{
return(null);
}
GPUSkinningBone bone = bones[boneIndex];
string path = bone.name;
while (bone.parentBoneIndex != -1)
{
bone = bones[bone.parentBoneIndex];
path = bone.name + "/" + path;
}
return(path);
}
public static void BonesHierarchy_Internal(GPUSkinningAnimation gpuSkinningAnimation, GPUSkinningBone bone, string tabs, ref string str)
{
str += tabs + bone.name + "\n";
int numChildren = bone.childrenBonesIndices == null ? 0 : bone.childrenBonesIndices.Length;
for (int i = 0; i < numChildren; ++i)
{
BonesHierarchy_Internal(gpuSkinningAnimation, gpuSkinningAnimation.bones[bone.childrenBonesIndices[i]], tabs + " ", ref str);
}
}
private int GetBoneIndex(GPUSkinningBone bone)
{
return(System.Array.IndexOf(gpuSkinningAnimation.bones, bone));
}
private Mesh CreateNewMesh(Mesh mesh, string meshName)
{
Vector3[] normals = mesh.normals;
Vector4[] tangents = mesh.tangents;
Color[] colors = mesh.colors;
Vector2[] uv = mesh.uv;
Mesh newMesh = new Mesh();
newMesh.name = meshName;
newMesh.vertices = mesh.vertices;
if (normals != null && normals.Length > 0)
{
newMesh.normals = normals;
}
if (tangents != null && tangents.Length > 0)
{
newMesh.tangents = tangents;
}
if (colors != null && colors.Length > 0)
{
newMesh.colors = colors;
}
if (uv != null && uv.Length > 0)
{
newMesh.uv = uv;
}
int numVertices = mesh.vertexCount;
BoneWeight[] boneWeights = mesh.boneWeights;
Vector4[] uv2 = new Vector4[numVertices];
Vector4[] uv3 = new Vector4[numVertices];
Transform[] smrBones = smr.bones;
for (int i = 0; i < numVertices; ++i)
{
BoneWeight boneWeight = boneWeights[i];
BoneWeightSortData[] weights = new BoneWeightSortData[4];
weights[0] = new BoneWeightSortData()
{
index = boneWeight.boneIndex0, weight = boneWeight.weight0
};
weights[1] = new BoneWeightSortData()
{
index = boneWeight.boneIndex1, weight = boneWeight.weight1
};
weights[2] = new BoneWeightSortData()
{
index = boneWeight.boneIndex2, weight = boneWeight.weight2
};
weights[3] = new BoneWeightSortData()
{
index = boneWeight.boneIndex3, weight = boneWeight.weight3
};
System.Array.Sort(weights);
GPUSkinningBone bone0 = GetBoneByTransform(smrBones[weights[0].index]);
GPUSkinningBone bone1 = GetBoneByTransform(smrBones[weights[1].index]);
GPUSkinningBone bone2 = GetBoneByTransform(smrBones[weights[2].index]);
GPUSkinningBone bone3 = GetBoneByTransform(smrBones[weights[3].index]);
Vector4 skinData_01 = new Vector4();
skinData_01.x = GetBoneIndex(bone0);
skinData_01.y = weights[0].weight;
skinData_01.z = GetBoneIndex(bone1);
skinData_01.w = weights[1].weight;
uv2[i] = skinData_01;
Vector4 skinData_23 = new Vector4();
skinData_23.x = GetBoneIndex(bone2);
skinData_23.y = weights[2].weight;
skinData_23.z = GetBoneIndex(bone3);
skinData_23.w = weights[3].weight;
uv3[i] = skinData_23;
}
newMesh.SetUVs(1, new List <Vector4>(uv2));
newMesh.SetUVs(2, new List <Vector4>(uv3));
newMesh.triangles = mesh.triangles;
return(newMesh);
}
private void ConstructJoints()
{
if (joints == null)
{
GPUSkinningPlayerJoint[] existingJoints = go.GetComponentsInChildren <GPUSkinningPlayerJoint>();
GPUSkinningBone[] bones = res.anim.bones;
int numBones = bones == null ? 0 : bones.Length;
for (int i = 0; i < numBones; ++i)
{
GPUSkinningBone bone = bones[i];
if (bone.isExposed)
{
if (joints == null)
{
joints = new List <GPUSkinningPlayerJoint>();
}
bool inTheExistingJoints = false;
if (existingJoints != null)
{
for (int j = 0; j < existingJoints.Length; ++j)
{
if (existingJoints[j] != null && existingJoints[j].BoneGUID == bone.guid)
{
if (existingJoints[j].BoneIndex != i)
{
existingJoints[j].Init(i, bone.guid);
GPUSkinningUtil.MarkAllScenesDirty();
}
joints.Add(existingJoints[j]);
existingJoints[j] = null;
inTheExistingJoints = true;
break;
}
}
}
if (!inTheExistingJoints)
{
GameObject jointGo = new GameObject(bone.name);
jointGo.transform.parent = go.transform;
jointGo.transform.localPosition = Vector3.zero;
jointGo.transform.localScale = Vector3.one;
GPUSkinningPlayerJoint joint = jointGo.AddComponent <GPUSkinningPlayerJoint>();
joints.Add(joint);
joint.Init(i, bone.guid);
GPUSkinningUtil.MarkAllScenesDirty();
}
}
}
if (!Application.isPlaying)
{
#if UNITY_EDITOR
UnityEditor.EditorApplication.CallbackFunction DelayCall = null;
DelayCall = () =>
{
UnityEditor.EditorApplication.delayCall -= DelayCall;
DeleteInvalidJoints(existingJoints);
};
UnityEditor.EditorApplication.delayCall += DelayCall;
#endif
}
else
{
DeleteInvalidJoints(existingJoints);
}
}
}
private void BakeAllAnimClip(List <AnimationState> curAnims, string path, GameObject go, float frameRate, GameObject rootBone, GPUSkinningBone[] bones)
{
int curClipFrame = 0;
float sampleTime = 0;
float perFrameTime = 0;
float len = 0;
float s = 1;
for (int i = 0; i < this.animData.animClips.Count; i++)
{
if (!this.animData.animClips[i].clip.legacy)
{
Debug.LogError(string.Format("{0} is not legacy!!", this.animData.animClips[i].clip.name));
continue;
}
if (this.animData.animClips[i].name.IndexOf("_all") >= 0)
{
continue;
}
//前后各加一帧
curClipFrame += Mathf.CeilToInt(curAnims[i].clip.frameRate * curAnims[i].length * s) + 2;
}
len = curClipFrame / frameRate;
int pow1 = Mathf.NextPowerOfTwo(curClipFrame);
int width = Mathf.NextPowerOfTwo(bones.Length * 3);
Texture2D animMap = new Texture2D(width, pow1, format, false);
animMap.wrapMode = TextureWrapMode.Clamp;
animMap.filterMode = FilterMode.Point;
animMap.name = this.animData.name;
int startFrame = 0;
for (int i = 0; i < this.animData.animClips.Count; i++)
{
if (!this.animData.animClips[i].clip.legacy)
{
Debug.LogError(string.Format("{0} is not legacy!!", this.animData.animClips[i].clip.name));
continue;
}
if (this.animData.animClips[i].name.IndexOf("_all") >= 0)
{
continue;
}
animData.AnimationPlay(curAnims[i].name);
sampleTime = 0;
int curClipFrame1 = Mathf.CeilToInt(curAnims[i].clip.frameRate * curAnims[i].length * s) + 2;
perFrameTime = curAnims[i].length / (curClipFrame1 - 2);
for (int k = startFrame; k < curClipFrame1 + startFrame - 2; k++)
{
if (sampleTime > curAnims[i].length)
{
sampleTime = curAnims[i].length;
}
curAnims[i].time = sampleTime;
this.animData.animation.Sample();
for (int j = 0; j < bones.Length; j++)
{
GPUSkinningBone currentBone = bones[j];
Matrix4x4 lastMat = currentBone.bindpose;
while (true)
{
if (currentBone.parentBoneIndex == -1)
{
Matrix4x4 mat = Matrix4x4.TRS(currentBone.transform.localPosition, currentBone.transform.localRotation, currentBone.transform.localScale);
if (rootBone.transform != go.transform)
{
mat = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, go.transform.localScale) * mat;
}
lastMat = mat * lastMat;
break;
}
else
{
Matrix4x4 mat = Matrix4x4.TRS(currentBone.transform.localPosition, currentBone.transform.localRotation, currentBone.transform.localScale);
lastMat = mat * lastMat;
currentBone = bones[currentBone.parentBoneIndex];
}
}
animMap.SetPixel(j * 3, k + 1, new Color(lastMat.m00, lastMat.m01, lastMat.m02, lastMat.m03));
animMap.SetPixel(j * 3 + 1, k + 1, new Color(lastMat.m10, lastMat.m11, lastMat.m12, lastMat.m13));
animMap.SetPixel(j * 3 + 2, k + 1, new Color(lastMat.m20, lastMat.m21, lastMat.m22, lastMat.m23));
if (k == startFrame)
{
animMap.SetPixel(j * 3, k, new Color(lastMat.m00, lastMat.m01, lastMat.m02, lastMat.m03));
animMap.SetPixel(j * 3 + 1, k, new Color(lastMat.m10, lastMat.m11, lastMat.m12, lastMat.m13));
animMap.SetPixel(j * 3 + 2, k, new Color(lastMat.m20, lastMat.m21, lastMat.m22, lastMat.m23));
}
else if (k == curClipFrame1 + startFrame - 3)
{
animMap.SetPixel(j * 3, k + 2, new Color(lastMat.m00, lastMat.m01, lastMat.m02, lastMat.m03));
animMap.SetPixel(j * 3 + 1, k + 2, new Color(lastMat.m10, lastMat.m11, lastMat.m12, lastMat.m13));
animMap.SetPixel(j * 3 + 2, k + 2, new Color(lastMat.m20, lastMat.m21, lastMat.m22, lastMat.m23));
}
}
sampleTime += perFrameTime;
}
startFrame += curClipFrame1;
}
animMap.Apply();
this.bakedDataList.Add(new BakedData(animMap.name, pow1 / frameRate, animMap));
}
public List <BakedData> Bake(GameObject go, GameObject fbx, GameObject rootBone, string path, Dictionary <string, string> dic, ref Mesh tarMesh)
{
if (this.animData == null)
{
Debug.LogError("bake data is null!!");
return(this.bakedDataList);
}
List <GPUSkinningBone> bones_result = new List <GPUSkinningBone>();
SkinnedMeshRenderer skin = animData.skin;
CollectBones(bones_result, skin.bones, skin.sharedMesh.bindposes, null, rootBone.transform, 0);
GPUSkinningBone[] bones = bones_result.ToArray();
Mesh mesh = new Mesh();
mesh.name = skin.sharedMesh.name;
mesh.vertices = skin.sharedMesh.vertices;
mesh.normals = skin.sharedMesh.normals;
mesh.tangents = skin.sharedMesh.tangents;
mesh.uv = skin.sharedMesh.uv;
BoneWeight[] boneWeights = skin.sharedMesh.boneWeights;
int numVertices = mesh.vertices.Length;
Vector4[] uv2 = new Vector4[numVertices];
Vector4[] uv3 = new Vector4[numVertices];
Transform[] smrBones = skin.bones;
for (int i = 0; i < mesh.vertices.Length; i++)
{
BoneWeight weight = boneWeights[i];
BoneWeightSortData[] weights = new BoneWeightSortData[4];
weights[0] = new BoneWeightSortData()
{
index = weight.boneIndex0, weight = weight.weight0
};
weights[1] = new BoneWeightSortData()
{
index = weight.boneIndex1, weight = weight.weight1
};
weights[2] = new BoneWeightSortData()
{
index = weight.boneIndex2, weight = weight.weight2
};
weights[3] = new BoneWeightSortData()
{
index = weight.boneIndex3, weight = weight.weight3
};
System.Array.Sort(weights);
//Debug.Log(weights[0].index + ":" + weights[0].weight + ":" + weights[1].index + ":" + weights[1].weight + ":" + weights[2].index + ":" + weights[2].weight + ":" + weights[3].index + ":" + weights[3].weight);
GPUSkinningBone bone0 = GetBoneByTransform(smrBones[weights[0].index], bones);
GPUSkinningBone bone1 = GetBoneByTransform(smrBones[weights[1].index], bones);
GPUSkinningBone bone2 = GetBoneByTransform(smrBones[weights[2].index], bones);
GPUSkinningBone bone3 = GetBoneByTransform(smrBones[weights[3].index], bones);
Vector4 skinData_01 = new Vector4();
skinData_01.x = GetBoneIndex(bone0, bones);
skinData_01.y = weights[0].weight;
skinData_01.z = GetBoneIndex(bone1, bones);
skinData_01.w = weights[1].weight;
uv2[i] = skinData_01;
}
mesh.SetUVs(1, new List <Vector4>(uv2));
mesh.triangles = skin.sharedMesh.triangles;
AssetDatabase.CreateAsset(mesh, "Assets/" + Path.Combine(path, mesh.name + "mesh.asset"));
tarMesh = mesh;
BakeAllAnimClip(this.animData.animClips, path, go, 30f, rootBone, bones);
Object target = PrefabUtility.GetPrefabParent(fbx);
string fbxName = AssetDatabase.GetAssetPath(target);
if (target == null)
{
fbxName = AssetDatabase.GetAssetPath(fbx);
}
else
{
fbxName = "Assets/" + path + "/" + fbx.name + ".fbx";
}
Debug.Log(fbxName);
ModelImporter modelImporter = (ModelImporter)AssetImporter.GetAtPath(fbxName);
GenAnimationDataFile(modelImporter.clipAnimations, this.animData.animClips, 30f, go, path, dic);
return(this.bakedDataList);
}
private int GetBoneIndex(GPUSkinningBone bone, GPUSkinningBone[] bones)
{
return(System.Array.IndexOf(bones, bone));
}
