/// <summary>
/// 在GPUSkinningPlayerMono脚本的Init函数中调用，完成PlayerMono使用的Player实例创建
/// </summary>
/// <param name="attachToThisGo">PlayerMono->Object索引</param>
/// <param name="res"> Player使用的资源 </param>
public GPUSkinningPlayer(GameObject attachToThisGo, GPUSkinningPlayerResources res)
{
//fzy add：
visible = true;
go = attachToThisGo;
transform = go.transform;
this.res = res;
mr = go.GetComponent <MeshRenderer>();
if (mr == null)
{
mr = go.AddComponent <MeshRenderer>();
}
mf = go.GetComponent <MeshFilter>();
if (mf == null)
{
mf = go.AddComponent <MeshFilter>();
}
//初始化时未播放动画，返回Material：RootOff_BlendOff
GPUSkinningMaterial mtrl = GetCurrentMaterial();
mr.sharedMaterial = mtrl == null ? null : mtrl.material;
mf.sharedMesh = res.mesh;
//初始化MaterialPropertyBlock（为何不在脚本创建时完成初始化？）
mpb = new MaterialPropertyBlock();
ConstructJoints();
}
public GPUSkinningPlayer(GameObject attachToThisGo, GPUSkinningPlayerResources res)
{
go = attachToThisGo;
transform = go.transform;
this.res = res;
mr = go.GetComponent <MeshRenderer>();
if (mr == null)
{
mr = go.AddComponent <MeshRenderer>();
}
mf = go.GetComponent <MeshFilter>();
if (mf == null)
{
mf = go.AddComponent <MeshFilter>();
}
GPUSkinningMaterial mtrl = GetCurrentMaterial();
mr.sharedMaterial = mtrl == null ? null : mtrl.material;
mf.sharedMesh = res.mesh;
mpb = new MaterialPropertyBlock();
ConstructJoints();
}
public void InitMaterial(Material originalMaterial, HideFlags hideFlags)
{
if (mtrls != null)
{
return;
}
mtrls = new GPUSkinningMaterial[(int)MaterialState.Count];
for (int i = 0; i < mtrls.Length; ++i)
{
if (Application.isPlaying)
{
mtrls[i] = new GPUSkinningMaterial()
{
material = originalMaterial
};
}
else
{
mtrls[i] = new GPUSkinningMaterial()
{
material = new Material(originalMaterial)
};
mtrls[i].material.name = keywords[i];
mtrls[i].material.hideFlags = hideFlags;
mtrls[i].material.enableInstancing = true; // enable instancing in Unity 5.6
}
EnableKeywords(i, mtrls[i]);
}
}
//根据初始Material设置GPUSkinningMaterial数组
public void InitMaterial(Material originalMaterial, HideFlags hideFlags)
{
if (mtrls != null)
{
return;
}
Debug.Log("InitMaterial");
//6种，与Keywords[]数组对应
mtrls = new GPUSkinningMaterial[(int)MaterialState.Count];
for (int i = 0; i < mtrls.Length; ++i)
{
mtrls[i] = new GPUSkinningMaterial()
{
material = new Material(originalMaterial)
};
mtrls[i].material.name = keywords[i];
mtrls[i].material.hideFlags = hideFlags;
//fzy add optimize:从SetTexture移动到这，没必要每帧调用SetTexture
mtrls[i].material.SetTexture(shaderPropID_GPUSkinning_TextureMatrix, texture);
mtrls[i].material.SetVector(shaderPropID_GPUSkinning_TextureSize_NumPixelsPerFrame,
new Vector4(anim.textureWidth, anim.textureHeight, anim.bones.Length * 3 /*treat 3 pixels as a float3x4*/, 0));
// GPU Instancing 开关
#if UNITY_5_6
mtrls[i].material.enableInstancing = true; // enable instancing in Unity 5.6
#endif
EnableKeywords(i, mtrls[i]);
}
}
/// <summary>
/// GPUSkinningPlayer.Update的真正实现
/// </summary>
/// <param name="timeDelta"> 本帧（本次调用） </param>
private void Update_Internal(float timeDelta)
{
//Profiler.BeginSample("GPUSkinningPlayer.Update_Internal()");
if (!isPlaying || playingClip == null)
{
return;
}
//Profiler.BeginSample("GPUSkinningPlayer.GetCurrentMaterial");
//根据当前动画播放状态（RootMotion、CullingUpdate），获取当前帧使用的Material
GPUSkinningMaterial currMtrl = GetCurrentMaterial();
if (currMtrl == null)
{
return;
}
//Profiler.EndSample();
//Material应用到MeshRenderer组件
if (mr.sharedMaterial != currMtrl.material)
{
mr.sharedMaterial = currMtrl.material;
}
//Profiler.BeginSample("GPUSkinningPlayer.UpdateMaterial()");
if (playingClip.wrapMode == GPUSkinningWrapMode.Loop)
{
UpdateMaterial(timeDelta, currMtrl);
}
else if (playingClip.wrapMode == GPUSkinningWrapMode.Once)
{
if (time >= playingClip.length)
{
time = playingClip.length;
UpdateMaterial(timeDelta, currMtrl);
}
else
{
UpdateMaterial(timeDelta, currMtrl);
time += timeDelta;
if (time > playingClip.length)
{
time = playingClip.length;
}
}
}
else
{
throw new System.NotImplementedException();
}
//Profiler.EndSample();
// 更新动画播放时间相关
//crossFade已经经历的时间
crossFadeProgress += timeDelta;
lastPlayedTime += timeDelta;
//Profiler.EndSample();
}
/// <summary>
/// fzy add/remark：
/// 每帧调用次数与网格个数相关，已将该实现代码移至初始化时赋值（作者为何要每帧调用）
/// </summary>
public void SetTexture(GPUSkinningMaterial currMtrl)
{
//Profiler.BeginSample("Res.SetTexture");
//currMtrl.material.SetTexture(shaderPropID_GPUSkinning_TextureMatrix, texture);
// 设置当前动画片段帧对应的动画Texture信息
//currMtrl.material.SetVector(shaderPropID_GPUSkinning_TextureSize_NumPixelsPerFrame,
// new Vector4(anim.textureWidth, anim.textureHeight, anim.bones.Length * 3/*treat 3 pixels as a float3x4*/, 0));
//Profiler.EndSample();
}
/// <summary>
/// 获取并赋值Material
/// </summary>
public void SetMaterial(GPUSkinningPlayerResources.MaterialState ms)
{
if (myRes == null)
{
Debug.LogWarning("myRes is null");
}
currMtrl = myRes.GetMaterial(ms);
if (mr.sharedMaterial != currMtrl.material)
{
mr.sharedMaterial = currMtrl.material;
}
}
private void EnableKeywords(int ki, GPUSkinningMaterial mtrl)
{
for (int i = 0; i < mtrls.Length; ++i)
{
if (i == ki)
{
mtrl.material.EnableKeyword(keywords[i]);
}
else
{
mtrl.material.DisableKeyword(keywords[i]);
}
}
}
private void UpdateMaterial(float deltaTime, GPUSkinningMaterial currMtrl)
{
int frameIndex = GetFrameIndex();
if (lastPlayingClip == playingClip && lastPlayingFrameIndex == frameIndex)
{
res.Update(deltaTime, currMtrl);
return;
}
lastPlayingClip = playingClip;
lastPlayingFrameIndex = frameIndex;
float blend_crossFade = 1;
int frameIndex_crossFade = -1;
GPUSkinningFrame frame_crossFade = null;
if (res.IsCrossFadeBlending(lastPlayedClip, crossFadeTime, crossFadeProgress))
{
frameIndex_crossFade = GetCrossFadeFrameIndex();
frame_crossFade = lastPlayedClip.frames[frameIndex_crossFade];
blend_crossFade = res.CrossFadeBlendFactor(crossFadeProgress, crossFadeTime);
}
GPUSkinningFrame frame = playingClip.frames[frameIndex];
if (Visible ||
CullingMode == GPUSKinningCullingMode.AlwaysAnimate)
{
res.Update(deltaTime, currMtrl);
res.UpdatePlayingData(
mpb, playingClip, frameIndex, frame, playingClip.rootMotionEnabled && rootMotionEnabled,
lastPlayedClip, GetCrossFadeFrameIndex(), crossFadeTime, crossFadeProgress
);
mr.SetPropertyBlock(mpb);
UpdateJoints(frame);
}
if (playingClip.rootMotionEnabled && rootMotionEnabled && frameIndex != rootMotionFrameIndex)
{
if (CullingMode != GPUSKinningCullingMode.CullCompletely)
{
rootMotionFrameIndex = frameIndex;
DoRootMotion(frame_crossFade, 1 - blend_crossFade, false);
DoRootMotion(frame, blend_crossFade, true);
}
}
UpdateEvents(playingClip, frameIndex, frame_crossFade == null ? null : lastPlayedClip, frameIndex_crossFade);
}
private void Update_Internal(float timeDelta)
{
if (!isPlaying || playingClip == null)
{
return;
}
GPUSkinningMaterial currMtrl = GetCurrentMaterial();
if (currMtrl == null)
{
return;
}
if (mr.sharedMaterial != currMtrl.material)
{
mr.sharedMaterial = currMtrl.material;
}
if (playingClip.wrapMode == GPUSkinningWrapMode.Loop)
{
UpdateMaterial(timeDelta, currMtrl);
}
else if (playingClip.wrapMode == GPUSkinningWrapMode.Once)
{
if (time >= playingClip.length)
{
time = playingClip.length;
UpdateMaterial(timeDelta, currMtrl);
}
else
{
UpdateMaterial(timeDelta, currMtrl);
time += timeDelta;
if (time > playingClip.length)
{
time = playingClip.length;
}
}
}
else
{
throw new System.NotImplementedException();
}
crossFadeProgress += timeDelta;
lastPlayedTime += timeDelta;
}
public void Update(float deltaTime, GPUSkinningMaterial mtrl)
{
if (executeOncePerFrame.CanBeExecute())
{
executeOncePerFrame.MarkAsExecuted();
Time += deltaTime;
UpdateCullingBounds();
}
if (mtrl.executeOncePerFrame.CanBeExecute())
{
mtrl.executeOncePerFrame.MarkAsExecuted();
mtrl.material.SetTexture(shaderPropID_GPUSkinning_TextureMatrix, texture);
mtrl.material.SetVector(shaderPropID_GPUSkinning_TextureSize_NumPixelsPerFrame,
new Vector4(anim.textureWidth, anim.textureHeight, anim.bones.Length * 3 /*treat 3 pixels as a float3x4*/, 0));
}
}
// fzy remark:CPU资源消耗过多
public void Update(float deltaTime, GPUSkinningMaterial mtrl)
{
//Profiler.BeginSample("GPUSkinningPlayerResources.Update()_Internal");
//Profiler.BeginSample("GPUSkinningPlayerResources.UpdateCullingBounds");
//多个Player可能共享同一个Resources，保证每个Resources在同一帧内只执行一次
if (executeOncePerFrame.CanBeExecute())
{
executeOncePerFrame.MarkAsExecuted();
time += deltaTime;
//fzy delete:注释以后不播放动画（猜测：未更新CullingBounds信息，默认判断模型动画出了Camera视锥区域）
//更新CullingBounds信息（与LOD、Camera Culling相关）
//UpdateCullingBounds();
//fzy log
//Debug.Log(cullingBounds.size);
//if (cullingBounds.size != 0)
//{
// for (int i = 0; i < cullingBounds.size; ++i)
// {
// Debug.Log(cullingBounds[i]);
// }
//}
}
//Profiler.EndSample();
//Profiler.BeginSample("GPUSkinningPlayerResources.executeOncePerFrame");
//Material的更新可能在一帧内调用多次？
if (mtrl.executeOncePerFrame.CanBeExecute())
{
mtrl.executeOncePerFrame.MarkAsExecuted();
// texture在PlayerMono或PlayerMonoManager中赋值，该帧对应的Material属性是新创建的，未赋值？
// 初始化时赋值
// mtrl.material.SetTexture(shaderPropID_GPUSkinning_TextureMatrix, texture);
// 设置当前动画片段帧对应的动画Texture信息
//mtrl.material.SetVector(shaderPropID_GPUSkinning_TextureSize_NumPixelsPerFrame,
// new Vector4(anim.textureWidth, anim.textureHeight, anim.bones.Length * 3/*treat 3 pixels as a float3x4*/, 0));
}
//Profiler.EndSample();
//Profiler.EndSample();
}
/// <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>
/// <param name="currMtrl">当前使用的Material</param>
private void UpdateMaterial(float deltaTime, GPUSkinningMaterial currMtrl)
{
int frameIndex = GetFrameIndex();
//Profiler.BeginSample("PlayerResources.Update");
//动画片段（WrapMode.Once）播放完毕
if (lastPlayingClip == playingClip && lastPlayingFrameIndex == frameIndex)
{
res.Update(deltaTime, currMtrl);
return;
}
//Profiler.EndSample();
//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;
float blend_crossFade = 1;
int frameIndex_crossFade = -1;
// 新建动画帧，用于crossFade
GPUSkinningFrame frame_crossFade = null;
//Profiler.BeginSample("PlayerResources.CrossFadeBlending");
if (res.IsCrossFadeBlending(lastPlayedClip, crossFadeTime, crossFadeProgress))
{
frameIndex_crossFade = GetCrossFadeFrameIndex();
frame_crossFade = lastPlayedClip.frames[frameIndex_crossFade];
blend_crossFade = res.CrossFadeBlendFactor(crossFadeProgress, crossFadeTime);
}
//Profiler.EndSample();
//Profiler.BeginSample("PlayerResources.Update");
GPUSkinningFrame frame = playingClip.frames[frameIndex];
//模型可以被看见（Culling）或者CullingMode为AlwaysAnimate
if (Visible ||
CullingMode == GPUSKinningCullingMode.AlwaysAnimate)
{
res.Update(deltaTime, currMtrl);
res.UpdatePlayingData(
mpb, playingClip, frameIndex, frame, playingClip.rootMotionEnabled && rootMotionEnabled,
lastPlayedClip, GetCrossFadeFrameIndex(), crossFadeTime, crossFadeProgress
);
mr.SetPropertyBlock(mpb);
//bone.isExposed
UpdateJoints(frame);
}
//Profiler.EndSample();
//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);
}
