public void LoadTagData()
{
BinaryReader br = new BinaryReader(m_stream);
//Load the ANTR header
m_Header.Load(ref br);
//Seek to the Animation Section
br.BaseStream.Position = m_Header.Nodes.Offset;
m_Nodes = new ANTR_NODE[m_Header.Nodes.Count];
for (int n = 0; n < m_Header.Nodes.Count; n++)
{
m_Nodes[n] = new ANTR_NODE();
m_Nodes[n].Load(ref br);
}
//Seek to the Animation Section
br.BaseStream.Position = m_Header.Animations.Offset;
m_Animations = new ANTR_ANIMATION[m_Header.Animations.Count];
m_Keyframes = new KEYFRAME[m_Header.Animations.Count][];
m_AnimationNames = new string[m_Header.Animations.Count];
int len;
for (int i = 0; i < m_Header.Animations.Count; i++)
{
m_Animations[i] = new ANTR_ANIMATION();
m_Animations[i].Load(ref br);
len = 0;
while ((m_Animations[i].name[len++] != '\0') && (len < 32))
{
;
}
m_AnimationNames[i] = new string(m_Animations[i].name, 0, len - 1);
}
for (int i = 0; i < m_Header.Animations.Count; i++)
{
DecompressAnimation(ref br, i);
}
}
public void DecompressAnimation(ref BinaryReader br, int ani_index)
{
//allocate keyframe data to store decompressed animations
ANTR_ANIMATION AnimationHeader = m_Animations[ani_index];
m_Keyframes[ani_index] = new KEYFRAME[AnimationHeader.FrameCount * AnimationHeader.NodeCount];
int node_count = AnimationHeader.NodeCount; //helper var for readability
for (int f = 0; f < AnimationHeader.FrameCount; f++)
{
for (int n = 0; n < AnimationHeader.NodeCount; n++)
{
m_Keyframes[ani_index][f * node_count + n] = new KEYFRAME();
}
}
//Skip FrameInfo section, nothing of interest (yet anyway)
br.BaseStream.Seek(AnimationHeader.FrameInfoSize, SeekOrigin.Current);
//Fill in static data
float[] TransData = new float[3];
short[] RotData = new short[4];
float Scale;
for (int n = 0; n < AnimationHeader.NodeCount; n++)
{
if (IsNodeDynamic(n, AnimationHeader.RotateStaticMask) == false)
{
RotData[0] = br.ReadInt16();
RotData[1] = br.ReadInt16();
RotData[2] = br.ReadInt16();
RotData[3] = br.ReadInt16();
for (int f = 0; f < AnimationHeader.FrameCount; f++)
{
Quaternion.DecompressQuaternion_64bit(RotData, m_Keyframes[ani_index][f * node_count + n].rotation);
Quaternion.NormalizeQuaternion(m_Keyframes[ani_index][f * node_count + n].rotation);
}
}
if (IsNodeDynamic(n, AnimationHeader.TranslateStaticMask) == false)
{
TransData[0] = br.ReadSingle();
TransData[1] = br.ReadSingle();
TransData[2] = br.ReadSingle();
for (int f = 0; f < AnimationHeader.FrameCount; f++)
{
m_Keyframes[ani_index][f * node_count + n].translation[0] = TransData[0];
m_Keyframes[ani_index][f * node_count + n].translation[1] = TransData[1];
m_Keyframes[ani_index][f * node_count + n].translation[2] = TransData[2];
}
}
if (IsNodeDynamic(n, AnimationHeader.ScaleStaticMask) == false)
{
Scale = br.ReadSingle();
for (int f = 0; f < AnimationHeader.FrameCount; f++)
{
m_Keyframes[ani_index][f * node_count + n].scale = Scale;
}
}
}
//Fill in dynamic data
for (int f = 0; f < AnimationHeader.FrameCount; f++)
{
for (int n = 0; n < AnimationHeader.NodeCount; n++)
{
if (IsNodeDynamic(n, AnimationHeader.RotateStaticMask) == true)
{
RotData[0] = br.ReadInt16();
RotData[1] = br.ReadInt16();
RotData[2] = br.ReadInt16();
RotData[3] = br.ReadInt16();
Quaternion.DecompressQuaternion_64bit(RotData, m_Keyframes[ani_index][f * node_count + n].rotation);
Quaternion.NormalizeQuaternion(m_Keyframes[ani_index][f * node_count + n].rotation);
}
if (IsNodeDynamic(n, AnimationHeader.TranslateStaticMask) == true)
{
TransData[0] = br.ReadSingle();
TransData[1] = br.ReadSingle();
TransData[2] = br.ReadSingle();
m_Keyframes[ani_index][f * node_count + n].translation[0] = TransData[0];
m_Keyframes[ani_index][f * node_count + n].translation[1] = TransData[1];
m_Keyframes[ani_index][f * node_count + n].translation[2] = TransData[2];
}
if (IsNodeDynamic(n, AnimationHeader.ScaleStaticMask) == true)
{
m_Keyframes[ani_index][f * node_count + n].scale = br.ReadSingle();
}
}
}
}
