|
public CreateVertexTrack ( ushort handle, VertexAnimationType animType ) : |
||
| handle | ushort | Handle to give the track, used for accessing the track later. |
| animType | VertexAnimationType | |
| return | ||
protected void ReadAnimationTrack( BinaryReader reader, Animation anim )
{
var type = ReadUShort( reader );
var target = ReadUShort( reader );
var track = anim.CreateVertexTrack( target, this.mesh.GetVertexDataByTrackHandle( target ), (VertexAnimationType)type );
// Now read the key frames for this track
if ( !IsEOF( reader ) )
{
var chunkID = ReadChunk( reader );
while ( !IsEOF( reader ) &&
( chunkID == MeshChunkID.AnimationMorphKeyframe || chunkID == MeshChunkID.AnimationPoseKeyframe ) )
{
switch ( chunkID )
{
case MeshChunkID.AnimationMorphKeyframe:
ReadMorphKeyframe( reader, track );
break;
case MeshChunkID.AnimationPoseKeyframe:
ReadPoseKeyframe( reader, track );
break;
}
if ( !IsEOF( reader ) )
{
chunkID = ReadChunk( reader );
}
}
if ( !IsEOF( reader ) )
{
// backpedal to the start of chunk
Seek( reader, -ChunkOverheadSize );
}
}
}
protected void BuildInitialPoseInfo( Dictionary<MeshGeometry, List<PoseRef>> initialPoses,
Dictionary<MeshGeometry, VertexAnimationTrack> tracks,
Animation anim, MorphController morphController )
{
InputSource morphTargetSource = morphController.GetInputSourceBySemantic( "MORPH_TARGET" );
InputSource morphWeightSource = morphController.GetInputSourceBySemantic( "MORPH_WEIGHT" );
List<MeshGeometry> initialGeometries = morphController.Target;
for( int geoIndex = 0; geoIndex < initialGeometries.Count; ++geoIndex )
{
MeshGeometry geometry = initialGeometries[ geoIndex ];
// These geometry.Id are the submesh names (e.g. head01-mesh.0)
for( ushort i = 0; i < m_AxiomMesh.SubMeshCount; ++i )
{
SubMesh subMesh = m_AxiomMesh.GetSubMesh( i );
if( subMesh.Name != geometry.Id )
continue;
VertexData vData = null;
ushort target;
if( subMesh.useSharedVertices )
{
target = 0;
vData = m_AxiomMesh.SharedVertexData;
}
else
{
target = (ushort) (i + 1);
vData = subMesh.vertexData;
}
VertexAnimationTrack track =
anim.CreateVertexTrack( target, vData, VertexAnimationType.Pose );
tracks[ geometry ] = track;
// This is the initial set of influences on the geometry
List<PoseRef> initialPoseInfo = new List<PoseRef>();
initialPoses[ geometry ] = initialPoseInfo;
for( int k = 0; k < morphTargetSource.Accessor.Count; ++k )
{
// morphTargetName is the id of the mesh we are blending in (e.g. head02-mesh)
string morphTargetName = (string) morphTargetSource.Accessor.GetParam( "MORPH_TARGET", k );
float influence = (float) morphWeightSource.Accessor.GetParam( "MORPH_WEIGHT", k );
GeometrySet morphDest = Geometries[ morphTargetName ];
// Get the pose index for the target submesh
// First find the PoseInfo object that is about this combination
PoseInfo poseInfo = GetPoseInfo( morphController.Target, morphDest );
// Now that I have the pose info for this combination,
// I still need to find the pose index for the portion
// that is associated with my MeshGeometry (instead of
// the GeometrySet). Since I added these in order, I
// should be able to retrieve it in order as well.
ushort poseIndex = (ushort) poseInfo.poseIndices[ geoIndex ];
initialPoseInfo.Add( new PoseRef( poseIndex, influence ) );
}
}
}
}
