public override ModelContent Process(NodeContent input, ContentProcessorContext context)
{
CompileRegularExpressions();
context.Logger.LogMessage("Output Platform: {0}", context.TargetPlatform);
maxScale_ = 0;
maxOffset_ = 0;
BoneContent skeleton = MeshHelper.FindSkeleton(input);
FlattenTransforms(input, skeleton, context);
SkinnedBone[] inverseBindPose = GetInverseBindPose(input, context, skeleton);
context.Logger.LogMessage("Found {0} skinned bones in skeleton.", (inverseBindPose == null) ? 0 : inverseBindPose.Length);
ModelContent output = base.Process(input, context);
if (output.Tag == null)
{
output.Tag = new Dictionary <string, object>();
}
if (FoundSkinning)
{
#if DEBUG
StringBuilder strb = new StringBuilder();
#endif
if (inverseBindPose == null)
{
throw new System.Exception("Could not find skeleton although there is skinned data.");
}
for (int i = 0; i != inverseBindPose.Length; ++i)
{
SkinnedBone sb = inverseBindPose[i];
int q = 0;
sb.Index = -1;
foreach (ModelBoneContent mbc in output.Bones)
{
if (mbc.Name == sb.Name)
{
sb.Index = mbc.Index;
break;
}
++q;
}
if (sb.Index == -1)
{
throw new System.ArgumentException(
String.Format("Can't find the index for animated bone named {0}.", sb.Name));
}
inverseBindPose[i] = sb;
}
((Dictionary <string, object>)output.Tag).Add("InverseBindPose", inverseBindPose);
}
((Dictionary <string, object>)output.Tag).Add("AnimationSet",
BuildAnimationSet(input, ref output, context));
((Dictionary <string, object>)output.Tag).Add("BoundsInfo",
new BoundsInfo(maxScale_, maxOffset_));
return(output);
}
protected virtual SkinnedBone[] GetInverseBindPose(NodeContent input, ContentProcessorContext context, BoneContent skeleton)
{
if (skeleton == null)
{
return(null);
}
IList <BoneContent> original = MeshHelper.FlattenSkeleton(skeleton);
if (original.Count > maxNumBones_)
{
throw new System.ArgumentException(String.Format(
"The animation processor found {0} bones in the skeleton; a maximum of {1} is allowed.",
original.Count, maxNumBones_));
}
List <SkinnedBone> inversePose = new List <SkinnedBone>();
foreach (BoneContent bc in original)
{
SkinnedBone sb = new SkinnedBone();
sb.Name = bc.Name;
if (sb.Name == null)
{
throw new System.ArgumentNullException("Bone with null name found.");
}
sb.InverseBindTransform = Matrix.Invert(GetAbsoluteTransform(bc, null));
inversePose.Add(sb);
}
return(inversePose.ToArray());
}
private void LoadBone(SkinnedBone parentBone, ColladaBone colladaBone)
{
SkinnedBone bone = new SkinnedBone();
bone.num = skinnedModel.Bones.Count;
skinnedModel.Bones.Add(bone);
bone.parent = parentBone;
if (parentBone != null)
{
parentBone.children.Add(bone);
}
bone.initialMatrix = colladaBone.initialMatrix;
bone.invBoneSkinMatrix = colladaBone.invBoneSkinMatrix;
bone.animationMatrices = colladaBone.animationMatrices;
bone.finalMatrix = bone.GetMatrixRecursively();
for (int i = 0; i < colladaBone.children.Count; i++)
{
LoadBone(bone, colladaBone.children[i]);
}
}
protected virtual SkinnedBone[] GetInverseBindPose(NodeContent input, ContentProcessorContext context, BoneContent skeleton)
{
if (skeleton == null)
return null;
IList<BoneContent> original = MeshHelper.FlattenSkeleton(skeleton);
if (original.Count > maxNumBones_)
throw new System.ArgumentException(String.Format(
"The animation processor found {0} bones in the skeleton; a maximum of {1} is allowed.",
original.Count, maxNumBones_));
List<SkinnedBone> inversePose = new List<SkinnedBone>();
foreach (BoneContent bc in original)
{
SkinnedBone sb = new SkinnedBone();
sb.Name = bc.Name;
if (sb.Name == null)
throw new System.ArgumentNullException("Bone with null name found.");
sb.InverseBindTransform = Matrix.Invert(GetAbsoluteTransform(bc, null));
inversePose.Add(sb);
}
return inversePose.ToArray();
}