public BinaryDataReader(Stream stm)
{
stream = stm;
buffer = new byte[sizeof(decimal)];
ContentBinaryReader br = new ContentBinaryReader(stm, Encoding.Default);
// 读出所有块
sectCount = br.ReadInt32();
positions = new Dictionary <string, Entry>(sectCount);
for (int i = 0; i < sectCount; i++)
{
string name = br.ReadStringUnicode();
int size = br.ReadInt32();
positions.Add(name, new Entry(name, (int)br.BaseStream.Position, size));
br.BaseStream.Position += size;
}
br.Close();
}
protected override AnimationData Read(ContentReader input, AnimationData existingInstance)
{
if (existingInstance != null)
{
return(existingInstance);
}
List <Matrix> bindPose = null;
List <Matrix> invBindPose = null;
Dictionary <string, ModelAnimationClip> modelAnim = null;
Dictionary <string, ModelAnimationClip> rootAnim = null;
List <int> skeleHierarchy = null;
BinaryDataReader ad;
int size = input.ReadInt32();
VirtualStream vs = new VirtualStream(input.BaseStream, input.BaseStream.Position, size);
ad = new BinaryDataReader(vs);
#region BindPoseTag
if (ad.Contains(BindPoseCountTag))
{
int count = ad.GetDataInt32(BindPoseCountTag);
bindPose = new List <Matrix>(count);
ContentBinaryReader br2 = ad.GetData(BindPoseTag);
for (int i = 0; i < count; i++)
{
bindPose.Add(br2.ReadMatrix());
}
br2.Close();
}
#endregion
#region InvBindPoseTag
if (ad.Contains(InvBindPoseCountTag))
{
int count = ad.GetDataInt32(InvBindPoseCountTag);
invBindPose = new List <Matrix>(count);
ContentBinaryReader br2 = ad.GetData(InvBindPoseTag);
for (int i = 0; i < count; i++)
{
invBindPose.Add(br2.ReadMatrix());
}
br2.Close();
}
#endregion
#region AnimationClipTag
if (ad.Contains(ModelAnimationClipCountTag))
{
int count = ad.GetDataInt32(ModelAnimationClipCountTag);
modelAnim = new Dictionary <string, ModelAnimationClip>(count);
ContentBinaryReader br2 = ad.GetData(ModelAnimationClipTag);
for (int i = 0; i < count; i++)
{
string key = br2.ReadStringUnicode();
TimeSpan duration = TimeSpan.FromSeconds(br2.ReadDouble());
int frameCount = br2.ReadInt32();
List <ModelKeyframe> frames = new List <ModelKeyframe>(frameCount);
for (int j = 0; j < frameCount; j++)
{
int bone = br2.ReadInt32();
TimeSpan totalSec = TimeSpan.FromSeconds(br2.ReadDouble());
Matrix transform = br2.ReadMatrix();
ModelKeyframe frame = new ModelKeyframe(bone, totalSec, transform);
frames.Add(frame);
}
ModelAnimationClip clip = new ModelAnimationClip(duration, frames);
modelAnim.Add(key, clip);
}
br2.Close();
}
#endregion
#region RootAnimationClipTag
if (ad.Contains(RootAnimationClipCountTag))
{
int count = ad.GetDataInt32(RootAnimationClipCountTag);
rootAnim = new Dictionary <string, ModelAnimationClip>(count);
ContentBinaryReader br2 = ad.GetData(RootAnimationClipTag);
for (int i = 0; i < count; i++)
{
string key = br2.ReadStringUnicode();
TimeSpan duration = TimeSpan.FromSeconds(br2.ReadDouble());
int frameCount = br2.ReadInt32();
List <ModelKeyframe> frames = new List <ModelKeyframe>(frameCount);
for (int j = 0; j < frameCount; j++)
{
int bone = br2.ReadInt32();
TimeSpan totalSec = TimeSpan.FromSeconds(br2.ReadDouble());
Matrix transform = br2.ReadMatrix();
ModelKeyframe frame = new ModelKeyframe(bone, totalSec, transform);
frames.Add(frame);
}
ModelAnimationClip clip = new ModelAnimationClip(duration, frames);
rootAnim.Add(key, clip);
}
br2.Close();
}
#endregion
#region BoneHierarchyTag
if (ad.Contains(BoneHierarchyCountTag))
{
int count = ad.GetDataInt32(BoneHierarchyCountTag);
skeleHierarchy = new List <int>(count);
ContentBinaryReader br2 = ad.GetData(BoneHierarchyTag);
for (int i = 0; i < count; i++)
{
skeleHierarchy.Add(br2.ReadInt32());
}
br2.Close();
}
#endregion
return(new AnimationData(modelAnim, rootAnim, bindPose, invBindPose, skeleHierarchy));
}