internal void TransformFrameAbsolute(SdkMeshFile file, double time)
{
int tick = file.GetAnimationKeyFromTime(time);
if (this.AnimationFrameIndex != -1)
{
SdkMeshAnimationFrame animationFrame = file.AnimationFrames[this.AnimationFrameIndex];
SdkMeshAnimationKey animationKey = animationFrame.AnimationKeys[tick];
SdkMeshAnimationKey animationKeyOrig = animationFrame.AnimationKeys[0];
XMMatrix mTrans1 = XMMatrix.Translation(-animationKeyOrig.Translation.X, -animationKeyOrig.Translation.Y, -animationKeyOrig.Translation.Z);
XMMatrix mTrans2 = XMMatrix.Translation(animationKey.Translation.X, animationKey.Translation.Y, animationKey.Translation.Z);
XMVector quat1 = animationKeyOrig.Orientation;
quat1 = XMQuaternion.Inverse(quat1);
XMMatrix mRot1 = XMMatrix.RotationQuaternion(quat1);
XMMatrix mInvTo = mTrans1 * mRot1;
XMVector quat2 = animationKey.Orientation;
XMMatrix mRot2 = XMMatrix.RotationQuaternion(quat2);
XMMatrix mFrom = mRot2 * mTrans2;
XMMatrix mOutput = mInvTo * mFrom;
this.TransformedFrameMatrix = mOutput;
}
}
internal void TransformFrame(SdkMeshFile file, XMMatrix parentWorld, double time)
{
// Get the tick data
XMMatrix mLocalTransform;
int tick = file.GetAnimationKeyFromTime(time);
if (this.AnimationFrameIndex == -1)
{
mLocalTransform = this.Matrix;
}
else
{
SdkMeshAnimationFrame animationFrame = file.AnimationFrames[this.AnimationFrameIndex];
SdkMeshAnimationKey animationKey = animationFrame.AnimationKeys[tick];
// turn it into a matrix (Ignore scaling for now)
XMFloat3 parentPos = animationKey.Translation;
XMMatrix mTranslate = XMMatrix.Translation(parentPos.X, parentPos.Y, parentPos.Z);
XMVector quat = animationKey.Orientation;
if (XMVector4.Equal(quat, XMVector.Zero))
{
quat = XMQuaternion.Identity;
}
quat = XMQuaternion.Normalize(quat);
XMMatrix mQuat = XMMatrix.RotationQuaternion(quat);
mLocalTransform = mQuat * mTranslate;
}
// Transform ourselves
XMMatrix mLocalWorld = mLocalTransform * parentWorld;
this.TransformedFrameMatrix = mLocalWorld;
this.WorldPoseFrameMatrix = mLocalWorld;
// Transform our siblings
if (this.SiblingFrameIndex != -1)
{
file.Frames[this.SiblingFrameIndex].TransformFrame(file, parentWorld, time);
}
// Transform our children
if (this.ChildFrameIndex != -1)
{
file.Frames[this.ChildFrameIndex].TransformFrame(file, mLocalWorld, time);
}
}
internal void TransformBindPoseFrame(SdkMeshFile file, XMMatrix parentWorld)
{
// Transform ourselves
XMMatrix mLocalWorld = this.Matrix * parentWorld;
this.BindPoseFrameMatrix = mLocalWorld;
// Transform our siblings
if (this.SiblingFrameIndex != -1)
{
file.Frames[this.SiblingFrameIndex].TransformBindPoseFrame(file, parentWorld);
}
// Transform our children
if (this.ChildFrameIndex != -1)
{
file.Frames[this.ChildFrameIndex].TransformBindPoseFrame(file, mLocalWorld);
}
}
public static SdkMeshFile FromFile(D3D11Device device, D3D11DeviceContext deviceContext, string fileName)
{
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
if (deviceContext == null)
{
throw new ArgumentNullException(nameof(deviceContext));
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException(nameof(fileName));
}
var file = new SdkMeshFile
{
_d3dDevice = device,
_d3dDeviceContext = deviceContext,
FilePath = fileName,
FileDirectory = Path.GetDirectoryName(fileName)
};
SdkMeshRawFile rawFile = SdkMeshRawFile.FromFile(file.FilePath);
foreach (SdkMeshRawMaterial rawMaterial in rawFile.Materials)
{
var material = new SdkMeshMaterial(file._d3dDevice, file._d3dDeviceContext, file.FileDirectory, rawMaterial);
file.Materials.Add(material);
}
foreach (SdkMeshRawMesh rawMesh in rawFile.Meshes)
{
var mesh = new SdkMeshMesh(file._d3dDevice, rawFile, rawMesh);
file.Meshes.Add(mesh);
}
foreach (SdkMeshRawFrame rawFrame in rawFile.Frames)
{
var frame = new SdkMeshFrame(rawFrame);
file.Frames.Add(frame);
}
string animFilePath = file.FilePath + "_anim";
if (File.Exists(animFilePath))
{
SdkMeshRawAnimFile rawAnimFile = SdkMeshRawAnimFile.FromFile(animFilePath);
file.AnimationFrameTransformType = rawAnimFile.Header.FrameTransformType;
file.AnimationKeysCount = rawAnimFile.Header.NumAnimationKeys;
file.AnimationFPS = rawAnimFile.Header.AnimationFPS;
foreach (SdkMeshRawAnimFrameData rawFrame in rawAnimFile.AnimationFrames)
{
var frame = new SdkMeshAnimationFrame(rawFrame);
file.AnimationFrames.Add(frame);
}
for (int index = 0; index < file.AnimationFrames.Count; index++)
{
SdkMeshFrame frame = file.FindFrame(file.AnimationFrames[index].FrameName);
if (frame != null)
{
frame.UpdateAnimationFrameIndex(index);
}
}
}
return(file);
}
