public TransformGizmoChange change; // [TODO] shouldn't be using gizmo change for this?
public GrabInfo(Cockpit cockpit, TransformableSO so, Frame3f handF)
{
this.cockpit = cockpit;
this.so = so;
this.startHandF = handF;
this.startObjFW = so.GetLocalFrame(CoordSpace.WorldCoords);
this.startObjRelF = this.startHandF.ToFrame(this.startObjFW);
this.stickDelta = Vector2f.Zero;
change = new TransformGizmoChange()
{
parentSO = new WeakReference(so),
parentBefore = so.GetLocalFrame(CoordSpace.SceneCoords),
parentScaleBefore = so.GetLocalScale()
};
}
public static void TranslateInFrame(TransformableSO so, Vector3f translate, CoordSpace eSpace = CoordSpace.ObjectCoords)
{
Frame3f f = so.GetLocalFrame(eSpace);
f.Origin += translate;
so.SetLocalFrame(f, eSpace);
}
/// <summary>
/// input objectF is in Object (local) coords of so, apply all intermediate
/// transforms to get it to Scene coords
/// </summary>
public static Frame3f ObjectToScene(TransformableSO so, Frame3f objectF)
{
Frame3f sceneF = objectF;
TransformableSO curSO = so;
while (curSO != null)
{
Frame3f curF = curSO.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale = curSO.GetLocalScale();
Util.gDevAssert(IsUniformScale(scale));
sceneF.Scale(scale);
sceneF = curF.FromFrame(sceneF);
SOParent parent = curSO.Parent;
if (parent is FScene)
{
return(sceneF);
}
curSO = (parent as TransformableSO);
}
if (curSO == null)
{
DebugUtil.Error("SceneTransforms.TransformTo: found null parent SO!");
}
return(sceneF);
}
void update_source()
{
TransformableSO from = Source as TransformableSO;
Frame3f FrameS = from.GetLocalFrame(CoordSpace.SceneCoords);
TransformableSO to = Target as TransformableSO;
relativeF = SceneTransforms.SceneToObject(to, FrameS);
}
public static void EmitTransform(this SceneSerializer s, IOutputStream o, TransformableSO so)
{
o.BeginStruct(IOStrings.TransformStruct);
Frame3f f = so.GetLocalFrame(CoordSpace.ObjectCoords);
o.AddAttribute(IOStrings.APosition, f.Origin);
o.AddAttribute(IOStrings.AOrientation, f.Rotation);
o.AddAttribute(IOStrings.AScale, so.RootGameObject.transform.localScale);
o.EndStruct();
}
public void Connect(TransformableSO source, TransformableSO target)
{
//this.source = source;
this.target = target;
Frame3f sourceW = source.GetLocalFrame(CoordSpace.WorldCoords);
this.SetLocalFrame(sourceW, CoordSpace.WorldCoords);
target.RootGameObject.transform.SetParent(gameObject.transform, true);
increment_timestamp();
}
// extracts MeshFilter object from input GameObject and passes it to a custom constructor
// function MakeSOFunc (if null, creates basic MeshSO). Then optionally adds to Scene,
// preserving existing 3D position if desired (default true)
public static TransformableSO ImportExistingUnityMesh(GameObject go, FScene scene,
bool bAddToScene = true, bool bKeepWorldPosition = true, bool bRecenterFrame = true,
Func <Mesh, SOMaterial, TransformableSO> MakeSOFunc = null)
{
MeshFilter meshF = go.GetComponent <MeshFilter>();
if (meshF == null)
{
throw new Exception("SceneUtil.ImportExistingUnityMesh: gameObject is not a mesh!!");
}
Vector3f scale = go.GetLocalScale();
Mesh useMesh = meshF.mesh; // makes a copy
AxisAlignedBox3f bounds = useMesh.bounds; // bounds.Center is wrt local frame of input go
// ie offset from origin in local coordinates
// if we want to move frame to center of mesh, we have to re-center it at origin
// in local coordinates
if (bRecenterFrame)
{
UnityUtil.TranslateMesh(useMesh, -bounds.Center.x, -bounds.Center.y, -bounds.Center.z);
useMesh.RecalculateBounds();
}
TransformableSO newSO = (MakeSOFunc != null) ?
MakeSOFunc(useMesh, scene.DefaultMeshSOMaterial)
: new MeshSO().Create(useMesh, scene.DefaultMeshSOMaterial);
if (bAddToScene)
{
scene.AddSceneObject(newSO, false);
}
if (bKeepWorldPosition)
{
// compute world rotation/location. If we re-centered the mesh, we need
// to offset by the transform we applied above in local coordinates
// (hence we have to rotate & scale)
if (go.transform.parent != null)
{
throw new Exception("UnitySceneUtil.ImportExistingUnityMesh: Not handling case where GO has a parent transform");
}
Frame3f goFrameW = UnityUtil.GetGameObjectFrame(go, CoordSpace.WorldCoords);
Vector3f originW = goFrameW.Origin;
if (bRecenterFrame)
{
originW += goFrameW.Rotation * (scale * bounds.Center); // offset initial frame to be at center of mesh
}
// convert world frame and offset to scene coordinates
Frame3f goFrameS = scene.ToSceneFrame(goFrameW);
Vector3f boundsCenterS = scene.ToSceneP(originW);
// translate new object to position in scene
Frame3f curF = newSO.GetLocalFrame(CoordSpace.SceneCoords);
curF.Origin += boundsCenterS;
newSO.SetLocalFrame(curF, CoordSpace.SceneCoords);
// apply rotation (around current origin)
curF = newSO.GetLocalFrame(CoordSpace.SceneCoords);
curF.RotateAround(curF.Origin, goFrameS.Rotation);
newSO.SetLocalFrame(curF, CoordSpace.SceneCoords);
// apply local scale
newSO.SetLocalScale(scale);
}
return(newSO);
}
// extracts all MeshFilter objects from input GameObject and appends them, then passes to
// function MakeSOFunc (if null, creates basic MeshSO). Then optionally adds to Scene,
// preserving existing 3D position if desired (default true)
public static TransformableSO ImportExistingUnityGO(GameObject go, FScene scene,
bool bAddToScene = true, bool bKeepWorldPosition = true, bool bRecenterFrame = true,
Func <DMesh3, SOMaterial, TransformableSO> MakeSOFunc = null)
{
List <MeshFilter> filters = new List <MeshFilter>();
List <GameObject> children = new List <GameObject>()
{
go
};
UnityUtil.CollectAllChildren(go, children);
foreach (var cgo in children)
{
if (cgo.GetComponent <MeshFilter>() != null)
{
filters.Add(cgo.GetComponent <MeshFilter>());
}
}
if (filters.Count == 0)
{
throw new Exception("SceneUtil.ImportExistingUnityGO: no meshes!!");
}
DMesh3 CombineMesh = new DMesh3(MeshComponents.VertexNormals | MeshComponents.VertexColors);
MeshEditor editor = new MeshEditor(CombineMesh);
int gid = 0;
foreach (MeshFilter mesh in filters)
{
fMesh uMesh = new fMesh(mesh.sharedMesh);
using (var imesh = uMesh.CreateCachedIMesh()) {
editor.AppendMesh(imesh, ++gid);
}
}
Vector3f scale = go.GetLocalScale();
AxisAlignedBox3d bounds = CombineMesh.CachedBounds; // bounds.Center is wrt local frame of input go
// ie offset from origin in local coordinates
// if we want to move frame to center of mesh, we have to re-center it at origin
// in local coordinates
if (bRecenterFrame)
{
MeshTransforms.Translate(CombineMesh, -bounds.Center.x, -bounds.Center.y, -bounds.Center.z);
}
TransformableSO newSO = (MakeSOFunc != null) ?
MakeSOFunc(CombineMesh, scene.DefaultMeshSOMaterial)
: new DMeshSO().Create(CombineMesh, scene.DefaultMeshSOMaterial);
if (bAddToScene)
{
scene.AddSceneObject(newSO, false);
}
if (bKeepWorldPosition)
{
// compute world rotation/location. If we re-centered the mesh, we need
// to offset by the transform we applied above in local coordinates
// (hence we have to rotate & scale)
if (go.transform.parent != null)
{
throw new Exception("UnitySceneUtil.ImportExistingUnityGO: Not handling case where GO has a parent transform");
}
Frame3f goFrameW = UnityUtil.GetGameObjectFrame(go, CoordSpace.WorldCoords);
Vector3f originW = goFrameW.Origin;
if (bRecenterFrame)
{
originW += goFrameW.Rotation * (scale * (Vector3f)bounds.Center); // offset initial frame to be at center of mesh
}
// convert world frame and offset to scene coordinates
Frame3f goFrameS = scene.ToSceneFrame(goFrameW);
Vector3f boundsCenterS = scene.ToSceneP(originW);
// translate new object to position in scene
Frame3f curF = newSO.GetLocalFrame(CoordSpace.SceneCoords);
curF.Origin += boundsCenterS;
newSO.SetLocalFrame(curF, CoordSpace.SceneCoords);
// apply rotation (around current origin)
curF = newSO.GetLocalFrame(CoordSpace.SceneCoords);
curF.RotateAround(curF.Origin, goFrameS.Rotation);
newSO.SetLocalFrame(curF, CoordSpace.SceneCoords);
// apply local scale
newSO.SetLocalScale(scale);
}
return(newSO);
}