// --------------------------------------------
void RotateHelper::createZ ( uint pos )
{
double axis[] = { 0, 0, 1, COLLADABU::Math::Utils::radToDeg ( rotation.z ) };
std::vector<double> axisVec (axis, axis + sizeof(axis) / sizeof(double) );
rotationMatrix.push_back ( axisVec );
rotationParameters.push_back ( *Z_PARAMETER );
// rotationMatrix[pos] = { 0, 0, 1, COLLADABU::Math::Utils::radToDeg ( rotation.z ) };
}
void WriteOutput(const String& outputFileName, bool exportAnimations, bool rotationsOnly, bool saveMaterialList)
{
// Begin serialization
{
File dest(context_);
if (!dest.Open(outputFileName, FILE_WRITE))
ErrorExit("Could not open output file " + outputFileName);
// ID
dest.WriteFileID("UMDL");
// Vertexbuffers
dest.WriteUInt(vertexBuffers_.Size());
for (unsigned i = 0; i < vertexBuffers_.Size(); ++i)
vertexBuffers_[i].WriteData(dest);
// Indexbuffers
dest.WriteUInt(indexBuffers_.Size());
for (unsigned i = 0; i < indexBuffers_.Size(); ++i)
indexBuffers_[i].WriteData(dest);
// Subgeometries
dest.WriteUInt(subGeometries_.Size());
for (unsigned i = 0; i < subGeometries_.Size(); ++i)
{
// Write bone mapping info from the first LOD level. It does not change for further LODs
dest.WriteUInt(subGeometries_[i][0].boneMapping_.Size());
for (unsigned k = 0; k < subGeometries_[i][0].boneMapping_.Size(); ++k)
dest.WriteUInt(subGeometries_[i][0].boneMapping_[k]);
// Lod levels for this subgeometry
dest.WriteUInt(subGeometries_[i].Size());
for (unsigned j = 0; j < subGeometries_[i].Size(); ++j)
{
dest.WriteFloat(subGeometries_[i][j].distance_);
dest.WriteUInt((unsigned)subGeometries_[i][j].primitiveType_);
dest.WriteUInt(subGeometries_[i][j].vertexBuffer_);
dest.WriteUInt(subGeometries_[i][j].indexBuffer_);
dest.WriteUInt(subGeometries_[i][j].indexStart_);
dest.WriteUInt(subGeometries_[i][j].indexCount_);
}
}
// Morphs
dest.WriteUInt(morphs_.Size());
for (unsigned i = 0; i < morphs_.Size(); ++i)
morphs_[i].WriteData(dest);
// Skeleton
dest.WriteUInt(bones_.Size());
for (unsigned i = 0; i < bones_.Size(); ++i)
{
dest.WriteString(bones_[i].name_);
dest.WriteUInt(bones_[i].parentIndex_);
dest.WriteVector3(bones_[i].bindPosition_);
dest.WriteQuaternion(bones_[i].bindRotation_);
dest.WriteVector3(bones_[i].bindScale_);
Matrix3x4 offsetMatrix(bones_[i].derivedPosition_, bones_[i].derivedRotation_, bones_[i].derivedScale_);
offsetMatrix = offsetMatrix.Inverse();
dest.Write(offsetMatrix.Data(), sizeof(Matrix3x4));
dest.WriteUByte(bones_[i].collisionMask_);
if (bones_[i].collisionMask_ & 1)
dest.WriteFloat(bones_[i].radius_);
if (bones_[i].collisionMask_ & 2)
dest.WriteBoundingBox(bones_[i].boundingBox_);
}
// Bounding box
dest.WriteBoundingBox(boundingBox_);
// Geometry centers
for (unsigned i = 0; i < subGeometryCenters_.Size(); ++i)
dest.WriteVector3(subGeometryCenters_[i]);
}
if (saveMaterialList)
{
String materialListName = ReplaceExtension(outputFileName, ".txt");
File listFile(context_);
if (listFile.Open(materialListName, FILE_WRITE))
{
for (unsigned i = 0; i < materialNames_.Size(); ++i)
{
// Assume the materials will be located inside the standard Materials subdirectory
listFile.WriteLine("Materials/" + ReplaceExtension(SanitateAssetName(materialNames_[i]), ".xml"));
}
}
else
PrintLine("Warning: could not write material list file " + materialListName);
}
XMLElement skeletonRoot = skelFile_->GetRoot("skeleton");
if (skeletonRoot && exportAnimations)
{
// Go through animations
XMLElement animationsRoot = skeletonRoot.GetChild("animations");
if (animationsRoot)
{
XMLElement animation = animationsRoot.GetChild("animation");
while (animation)
{
ModelAnimation newAnimation;
newAnimation.name_ = animation.GetAttribute("name");
newAnimation.length_ = animation.GetFloat("length");
XMLElement tracksRoot = animation.GetChild("tracks");
XMLElement track = tracksRoot.GetChild("track");
while (track)
{
String trackName = track.GetAttribute("bone");
ModelBone* bone = 0;
for (unsigned i = 0; i < bones_.Size(); ++i)
{
if (bones_[i].name_ == trackName)
{
bone = &bones_[i];
break;
}
}
if (!bone)
ErrorExit("Found animation track for unknown bone " + trackName);
AnimationTrack newAnimationTrack;
newAnimationTrack.name_ = trackName;
if (!rotationsOnly)
newAnimationTrack.channelMask_ = CHANNEL_POSITION | CHANNEL_ROTATION;
else
newAnimationTrack.channelMask_ = CHANNEL_ROTATION;
XMLElement keyFramesRoot = track.GetChild("keyframes");
XMLElement keyFrame = keyFramesRoot.GetChild("keyframe");
while (keyFrame)
{
AnimationKeyFrame newKeyFrame;
// Convert from right- to left-handed
XMLElement position = keyFrame.GetChild("translate");
float x = position.GetFloat("x");
float y = position.GetFloat("y");
float z = position.GetFloat("z");
Vector3 pos(x, y, -z);
XMLElement rotation = keyFrame.GetChild("rotate");
XMLElement axis = rotation.GetChild("axis");
float angle = -rotation.GetFloat("angle") * M_RADTODEG;
x = axis.GetFloat("x");
y = axis.GetFloat("y");
z = axis.GetFloat("z");
Vector3 axisVec(x, y, -z);
Quaternion rot(angle, axisVec);
// Transform from bind-pose relative into absolute
pos = bone->bindPosition_ + bone->bindRotation_ * pos;
rot = bone->bindRotation_ * rot;
newKeyFrame.time_ = keyFrame.GetFloat("time");
newKeyFrame.position_ = pos;
newKeyFrame.rotation_ = rot;
newAnimationTrack.keyFrames_.Push(newKeyFrame);
keyFrame = keyFrame.GetNext("keyframe");
}
// Make sure keyframes are sorted from beginning to end
Sort(newAnimationTrack.keyFrames_.Begin(), newAnimationTrack.keyFrames_.End(), CompareKeyFrames);
// Do not add tracks with no keyframes
if (newAnimationTrack.keyFrames_.Size())
newAnimation.tracks_.Push(newAnimationTrack);
track = track.GetNext("track");
}
// Write each animation into a separate file
String animationFileName = outputFileName.Replaced(".mdl", "");
animationFileName += "_" + newAnimation.name_ + ".ani";
File dest(context_);
if (!dest.Open(animationFileName, FILE_WRITE))
ErrorExit("Could not open output file " + animationFileName);
dest.WriteFileID("UANI");
dest.WriteString(newAnimation.name_);
dest.WriteFloat(newAnimation.length_);
dest.WriteUInt(newAnimation.tracks_.Size());
for (unsigned i = 0; i < newAnimation.tracks_.Size(); ++i)
{
AnimationTrack& track = newAnimation.tracks_[i];
dest.WriteString(track.name_);
dest.WriteUByte(track.channelMask_);
dest.WriteUInt(track.keyFrames_.Size());
for (unsigned j = 0; j < track.keyFrames_.Size(); ++j)
{
AnimationKeyFrame& keyFrame = track.keyFrames_[j];
dest.WriteFloat(keyFrame.time_);
if (track.channelMask_ & CHANNEL_POSITION)
dest.WriteVector3(keyFrame.position_);
if (track.channelMask_ & CHANNEL_ROTATION)
dest.WriteQuaternion(keyFrame.rotation_);
if (track.channelMask_ & CHANNEL_SCALE)
dest.WriteVector3(keyFrame.scale_);
}
}
animation = animation.GetNext("animation");
PrintLine("Processed animation " + newAnimation.name_);
}
}
}
}
void LoadSkeleton(const String& skeletonFileName)
{
// Process skeleton first (if found)
XMLElement skeletonRoot;
File skeletonFileSource(context_);
skeletonFileSource.Open(skeletonFileName);
if (!skelFile_->Load(skeletonFileSource))
PrintLine("Failed to load skeleton " + skeletonFileName);
skeletonRoot = skelFile_->GetRoot();
if (skeletonRoot)
{
XMLElement bonesRoot = skeletonRoot.GetChild("bones");
XMLElement bone = bonesRoot.GetChild("bone");
while (bone)
{
unsigned index = bone.GetInt("id");
String name = bone.GetAttribute("name");
if (index >= bones_.Size())
bones_.Resize(index + 1);
// Convert from right- to left-handed
XMLElement position = bone.GetChild("position");
float x = position.GetFloat("x");
float y = position.GetFloat("y");
float z = position.GetFloat("z");
Vector3 pos(x, y, -z);
XMLElement rotation = bone.GetChild("rotation");
XMLElement axis = rotation.GetChild("axis");
float angle = -rotation.GetFloat("angle") * M_RADTODEG;
x = axis.GetFloat("x");
y = axis.GetFloat("y");
z = axis.GetFloat("z");
Vector3 axisVec(x, y, -z);
Quaternion rot(angle, axisVec);
bones_[index].name_ = name;
bones_[index].parentIndex_ = index; // Fill in the correct parent later
bones_[index].bindPosition_ = pos;
bones_[index].bindRotation_ = rot;
bones_[index].bindScale_ = Vector3::ONE;
bones_[index].collisionMask_ = 0;
bones_[index].radius_ = 0.0f;
bone = bone.GetNext("bone");
}
// Go through the bone hierarchy
XMLElement boneHierarchy = skeletonRoot.GetChild("bonehierarchy");
XMLElement boneParent = boneHierarchy.GetChild("boneparent");
while (boneParent)
{
String bone = boneParent.GetAttribute("bone");
String parent = boneParent.GetAttribute("parent");
unsigned i = 0, j = 0;
for (i = 0; i < bones_.Size() && bones_[i].name_ != bone; ++i);
for (j = 0; j < bones_.Size() && bones_[j].name_ != parent; ++j);
if (i >= bones_.Size() || j >= bones_.Size())
ErrorExit("Found indeterminate parent bone assignment");
bones_[i].parentIndex_ = j;
boneParent = boneParent.GetNext("boneparent");
}
// Calculate bone derived positions
for (unsigned i = 0; i < bones_.Size(); ++i)
{
Vector3 derivedPosition = bones_[i].bindPosition_;
Quaternion derivedRotation = bones_[i].bindRotation_;
Vector3 derivedScale = bones_[i].bindScale_;
unsigned index = bones_[i].parentIndex_;
if (index != i)
{
for (;;)
{
derivedPosition = bones_[index].bindPosition_ + (bones_[index].bindRotation_ * (bones_[index].bindScale_ * derivedPosition));
derivedRotation = bones_[index].bindRotation_ * derivedRotation;
derivedScale = bones_[index].bindScale_ * derivedScale;
if (bones_[index].parentIndex_ != index)
index = bones_[index].parentIndex_;
else
break;
}
}
bones_[i].derivedPosition_ = derivedPosition;
bones_[i].derivedRotation_ = derivedRotation;
bones_[i].derivedScale_ = derivedScale;
bones_[i].worldTransform_ = Matrix3x4(derivedPosition, derivedRotation, derivedScale);
bones_[i].inverseWorldTransform_ = bones_[i].worldTransform_.Inverse();
}
PrintLine("Processed skeleton");
}
}
