public unsafe void Update(ModelViewHierarchyUpdater hierarchy, AnimationClipResult result)
{
// Check if we need to regenerate "update channels" (i.e. how to copy data from result to hierarchy)
if (updateChannels == null || // First time?...
currentSourceChannels != result.Channels || // ... or changed?
currentSourceChannels.Count != currentSourceChannelCount) // .. or modified? (could only append channel)
{
RegenerateUpdateChannels(hierarchy, result.Channels);
currentSourceChannels = result.Channels;
currentSourceChannelCount = currentSourceChannels.Count;
}
// Copy results to node hierarchy
fixed(byte *structures = result.Data)
{
foreach (var updateChannel in updateChannels)
{
var structureData = (float *)(structures + updateChannel.Offset);
var factor = *structureData++;
if (factor == 0.0f)
{
continue;
}
switch (updateChannel.Type)
{
case ChannelType.Translation:
Utilities.Read((IntPtr)structureData, ref hierarchy.NodeTransformations[updateChannel.Index].Transform.Translation);
break;
case ChannelType.Rotation:
Utilities.Read((IntPtr)structureData, ref hierarchy.NodeTransformations[updateChannel.Index].Transform.Rotation);
break;
case ChannelType.Scaling:
Utilities.Read((IntPtr)structureData, ref hierarchy.NodeTransformations[updateChannel.Index].Transform.Scaling);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
}
private void RegenerateUpdateChannels(ModelViewHierarchyUpdater hierarchy, List <AnimationBlender.Channel> channels)
{
var newUpdateChannels = new List <UpdateChannel>();
// TODO: Temporary implementation due to lack of time before first release.
foreach (var channel in channels)
{
string nodeName = channel.NodeName;
if (nodeName == null)
{
continue;
}
var updateChannel = new UpdateChannel();
updateChannel.Index = -1;
var hierarchyNodes = hierarchy.Nodes;
for (int i = 0; i < hierarchyNodes.Length; ++i)
{
var node = hierarchyNodes[i];
if (node.Name == nodeName)
{
updateChannel.Index = i;
break;
}
}
if (updateChannel.Index == -1)
{
// TODO: Warning?
//throw new InvalidOperationException(string.Format("Could not find matching node in animation for {0}", nodeName));
continue;
}
updateChannel.Offset = channel.Offset;
updateChannel.Type = channel.Type;
newUpdateChannels.Add(updateChannel);
}
updateChannels = newUpdateChannels.ToArray();
}
public static void Update(ModelViewHierarchyUpdater hierarchy, RenderModel renderModel)
{
var boneMatrices = staticBoneMatrices;
foreach (var meshes in renderModel.RenderMeshes)
{
if (meshes == null)
{
continue;
}
foreach (var renderMesh in meshes)
{
var mesh = renderMesh.Mesh;
var skinning = mesh.Skinning;
if (skinning == null)
{
continue;
}
var bones = skinning.Bones;
// Make sure there is enough spaces in boneMatrices
if (boneMatrices == null || bones.Length > boneMatrices.Length)
{
staticBoneMatrices = boneMatrices = new Matrix[bones.Length];
}
for (int index = 0; index < bones.Length; index++)
{
var nodeIndex = bones[index].NodeIndex;
// Compute bone matrix
Matrix.Multiply(ref bones[index].LinkToMeshMatrix, ref hierarchy.NodeTransformations[nodeIndex].WorldMatrix, out boneMatrices[index]);
}
// Upload bones
renderMesh.Mesh.Parameters.Set(TransformationSkinningKeys.BlendMatrixArray, boneMatrices, 0, bones.Length);
}
}
}