/// <summary>
/// 设置动画片段的Material->Shader属性，使用GPU计算动画片段数据
/// </summary>
/// <param name="mpb"> 需要设置的MaterialPropertyBlock </param>
/// <param name="playingClip"> 当前播放的动画片段 </param>
/// <param name="frameIndex"> 帧索引 </param>
/// <param name="frame"> 帧数据 </param>
/// <param name="rootMotionEnabled"> 是否应用RootMotion </param>
/// <param name="lastPlayedClip"> 上一次播放的动画片段 </param>
/// <param name="frameIndex_crossFade"> 需要CrossFade的上一个动画片段帧索引（上一次播放到的动画片段） </param>
/// <param name="crossFadeTime"> CrossFade所花的时间 </param>
/// <param name="crossFadeProgress"> CrossFade已经处理的时间 </param>
public void UpdatePlayingData(
MaterialPropertyBlock mpb, GPUSkinningClip playingClip, int frameIndex, GPUSkinningFrame frame, bool rootMotionEnabled,
GPUSkinningClip lastPlayedClip, int frameIndex_crossFade, float crossFadeTime, float crossFadeProgress)
{
//Profiler.BeginSample("Res.UpdatePlayingData");
//设置mpb的Vector属性
mpb.SetVector(shaderPorpID_GPUSkinning_FrameIndex_PixelSegmentation, new Vector4(frameIndex, playingClip.pixelSegmentation, 0, 0));
//如果开启RootMotion
if (rootMotionEnabled)
{
Matrix4x4 rootMotionInv = frame.RootMotionInv(anim.rootBoneIndex);
mpb.SetMatrix(shaderPropID_GPUSkinning_RootMotion, rootMotionInv);
}
//如果开启CrossFade
if (IsCrossFadeBlending(lastPlayedClip, crossFadeTime, crossFadeProgress))
{
if (lastPlayedClip.rootMotionEnabled)
{
mpb.SetMatrix(shaderPropID_GPUSkinning_RootMotion_CrossFade, lastPlayedClip.frames[frameIndex_crossFade].RootMotionInv(anim.rootBoneIndex));
}
mpb.SetVector(shaderPorpID_GPUSkinning_FrameIndex_PixelSegmentation_Blend_CrossFade,
new Vector4(frameIndex_crossFade, lastPlayedClip.pixelSegmentation, CrossFadeBlendFactor(crossFadeProgress, crossFadeTime)));
}
//Profiler.EndSample();
}
public void UpdatePlayingData(MaterialPropertyBlock mpb, GPUSkinningClip playingClip, int frameIndex, GPUSkinningFrame frame, bool rootMotionEnabled)
{
mpb.SetFloat(shaderPorpID_GPUSkinning_FrameIndex, frameIndex);
mpb.SetFloat(shaderPropID_GPUSkinning_PixelSegmentation, playingClip.pixelSegmentation);
mpb.SetFloat(shaderPropID_GPUSkinning_RootMotionEnabled, rootMotionEnabled ? 1 : -1);
if (rootMotionEnabled)
{
Matrix4x4 rootMotionInv = frame.RootMotionInv(anim.rootBoneIndex);
mpb.SetMatrix(shaderPropID_GPUSkinning_RootMotion, rootMotionInv);
}
}
private void UpdateJoints(GPUSkinningFrame frame)
{
if (joints == null)
{
return;
}
//fzy delete:never used
//Matrix4x4[] matrices = frame.matrices;
GPUSkinningBone[] bones = res.anim.bones;
int numJoints = joints.Count;
for (int i = 0; i < numJoints; ++i)
{
GPUSkinningPlayerJoint joint = joints[i];
Transform jointTransform = Application.isPlaying ? joint.Transform : joint.transform;
if (jointTransform != null)
{
// TODO: Update Joint when Animation Blend
Matrix4x4 jointMatrix = frame.matrices[joint.BoneIndex] * bones[joint.BoneIndex].BindposeInv;
if (playingClip.rootMotionEnabled && rootMotionEnabled)
{
jointMatrix = frame.RootMotionInv(res.anim.rootBoneIndex) * jointMatrix;
}
jointTransform.localPosition = jointMatrix.MultiplyPoint(Vector3.zero);
Vector3 jointDir = jointMatrix.MultiplyVector(Vector3.right);
Quaternion jointRotation = Quaternion.FromToRotation(Vector3.right, jointDir);
jointTransform.localRotation = jointRotation;
}
else
{
joints.RemoveAt(i);
--i;
--numJoints;
}
}
}
/// <summary>
/// 根据当前动画片段播放状态设置Material
/// fzy remak:CPU资源消耗过多
/// </summary>
/// <param name="deltaTime">本帧Update消耗的时间</param>
private void UpdateMaterial(float deltaTime)
{
//Profiler.BeginSample("UpdateMaterial.Other");
int frameIndex = GetFrameIndex();
//动画片段（WrapMode.Once）播放完毕
if (lastPlayingClip == playingClip && lastPlayingFrameIndex == frameIndex)
{
//res.Update(deltaTime);
resTime += deltaTime;
//for (int i = 0; i < playerMonosCount; i++)
// playerMonos[i].UpdateMaterial(deltaTime);
return;
}
//记录上一帧播放的动画片段
lastPlayingClip = playingClip;
//记录上一次播放的动画片段帧数（有可能跳帧）
lastPlayingFrameIndex = frameIndex;
blend_crossFade = 1;
frameIndex_crossFade = -1;
// 新建动画帧，用于crossFade
GPUSkinningFrame frame_crossFade = null;
if (IsCrossFadeBlending(lastPlayedClip, crossFadeTime, crossFadeProgress))
{
frameIndex_crossFade = GetCrossFadeFrameIndex();
frame_crossFade = lastPlayedClip.frames[frameIndex_crossFade];
blend_crossFade = CrossFadeBlendFactor(crossFadeProgress, crossFadeTime);
}
GPUSkinningFrame frame = playingClip.frames[frameIndex];
//Profiler.EndSample();
//模型可以被看见（Culling）或者CullingMode为AlwaysAnimate
if (Visible ||
CullingMode == GPUSKinningCullingMode.AlwaysAnimate)
{
//author version
//res.Update(deltaTime);
resTime += deltaTime;
//fzy remark：不需要每帧调用，已在初始化时设置属性
//for (int i = 0; i < playerMonosCount; i++)
//{
// playerMonos[i].UpdateMaterial(deltaTime);
//}
/*author version
* res.UpdatePlayingData(
* mpb, playingClip, frameIndex, frame, playingClip.rootMotionEnabled && rootMotionEnabled,
* lastPlayedClip, GetCrossFadeFrameIndex(), crossFadeTime, crossFadeProgress
* );
* mr.SetPropertyBlock(mpb);*/
//if (Time.frameCount % updatePreFrame != updateRemark) return;
//Profiler.BeginSample("UpdatePlayingData");
//计算临时变量
isRootMotionEnabled = playingClip.rootMotionEnabled && rootMotionEnabled;
framePixelSegmentation = new Vector4(frameIndex, playingClip.pixelSegmentation, 0, 0);
rootMotionInv = frame.RootMotionInv(anim.rootBoneIndex);
if (lastPlayedClip != null && frameIndex_crossFade >= 0)
{
framePixelSegmentation_Blend_CrossFade = new Vector4(frameIndex_crossFade, lastPlayedClip.pixelSegmentation, CrossFadeBlendFactor(crossFadeProgress, crossFadeTime));
rootMotionInv_Last = lastPlayedClip.frames[frameIndex_crossFade].RootMotionInv(anim.rootBoneIndex);
}
//设置动画播放的Material数据
//UpdatePlayingData(framePixelSegmentation, rootMotionInv, isRootMotionEnabled, rootMotionInv_Last, framePixelSegmentation_Blend_CrossFade);
UpdatePlayingData();
//Profiler.EndSample();
//bone.isExposed
//UpdateJoints(frame);
}
//Profiler.BeginSample("RootMotion");
/*
* if (playingClip.rootMotionEnabled && rootMotionEnabled && frameIndex != rootMotionFrameIndex)
* {
* if (CullingMode != GPUSKinningCullingMode.CullCompletely)
* {
* rootMotionFrameIndex = frameIndex;
* DoRootMotion(frame_crossFade, 1 - blend_crossFade, false);
* DoRootMotion(frame, blend_crossFade, true);
* }
* }*/
//Profiler.EndSample();
//UpdateEvents(playingClip, frameIndex, frame_crossFade == null ? null : lastPlayedClip, frameIndex_crossFade);
}