// configure gizmo - constructs necessary ITransformWrapper to provide
// desired gizmo behavior. You can modify behavior in subclasses by
// overriding InitializeTransformWrapper (but you must
void SetActiveFrame(FrameType eFrame)
{
// disconect existing wrapper
if (targetWrapper != null)
{
targetWrapper.Target.OnTransformModified -= onTransformModified;
}
// if we have multiple targets, we construct a transient SO to
// act as a parent (stored as internalGroupSO)
if (targets.Count > 1 && internalGroupSO == null)
{
internalGroupSO = new TransientGroupSO();
internalGroupSO.Create();
parentScene.AddSceneObject(internalGroupSO);
internalGroupSO.AddChildren(targets);
}
SceneObject useSO = (targets.Count == 1) ? targets[0] : internalGroupSO;
// construct the wrapper
targetWrapper = InitializeTransformWrapper(useSO, eFrame);
//connect up to it
targetWrapper.Target.OnTransformModified += onTransformModified;
onTransformModified(null);
// configure gizmo
update_active();
}
public static GOWrapperSO CombineAnySOs(SceneObject s1, SceneObject s2, bool bDeleteExisting = true)
{
FScene scene = s1.GetScene();
if (scene.IsSelected(s1))
{
scene.Deselect(s1);
}
if (scene.IsSelected(s2))
{
scene.Deselect(s2);
}
fGameObject parentGO = GameObjectFactory.CreateParentGO("combined");
GOWrapperSO.AppendSOGeometry(parentGO, s1, true);
GOWrapperSO.AppendSOGeometry(parentGO, s2, true);
GOWrapperSO wrapperSO = new GOWrapperSO()
{
AllowMaterialChanges = false
};
wrapperSO.Create(parentGO);
if (bDeleteExisting)
{
scene.RemoveSceneObject(s1, false);
scene.RemoveSceneObject(s2, false);
}
scene.AddSceneObject(wrapperSO, false);
return(wrapperSO);
}
public override OpStatus Apply()
{
if (scene.HasDeletedSceneObject(so))
{
scene.RestoreDeletedSceneObject(so);
}
else
{
scene.AddSceneObject(so, bKeepWorldPosition);
}
return(OpStatus.Success);
}
public override OpStatus Apply()
{
if (created_group == null)
{
created_group = new GroupSO();
created_group.Create();
Scene.AddSceneObject(created_group, false);
}
else
{
Scene.RestoreDeletedSceneObject(created_group);
}
created_group.AddChildren(Objects);
return(OpStatus.Success);
}
void Restore_OnEndSceneObject()
{
if (eState != RestoreState.InSceneObject)
{
throw new FormatException("[Serializer] not in correct state for EndSceneObject");
}
SceneObject so = SOFactory.Build(activeScene, this, CurAttribs);
if (so != null)
{
activeScene.AddSceneObject(so);
}
PopAttribSet();
PopState();
}
public static GroupSO CreateGroupSO(TransformableSO so1, TransformableSO so2)
{
FScene scene = so1.GetScene();
if (scene.IsSelected(so1))
{
scene.Deselect(so1);
}
if (scene.IsSelected(so2))
{
scene.Deselect(so2);
}
GroupSO group = new GroupSO();
group.Create();
scene.AddSceneObject(group);
group.AddChild(so1);
group.AddChild(so2);
return(group);
}
// 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 SceneObject ImportExistingUnityMesh(GameObject go, FScene scene,
bool bAddToScene = true, bool bKeepWorldPosition = true, bool bRecenterFrame = true,
Func <Mesh, SOMaterial, SceneObject> MakeSOFunc = null)
{
MeshFilter meshF = go.GetComponent <MeshFilter>();
if (meshF == null)
{
throw new Exception("SceneUtil.ImportExistingUnityMesh: gameObject is not a mesh!!");
}
Vector3f scale = go.GetLocalScale();
// [RMS] why don't we bake transform into mesh ??! then we could handle non-uniform scaling...
if (SceneTransforms.IsUniformScale(scale) == false)
{
throw new Exception("UnitySceneUtil.ImportExistingUnityMesh: nonuniform scaling is not supported...");
}
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();
}
SceneObject 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 SceneObject ImportExistingUnityGO(GameObject go, FScene scene,
bool bAddToScene = true, bool bKeepWorldPosition = true, bool bRecenterFrame = true,
Func <DMesh3, SOMaterial, SceneObject> 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);
}
SceneObject newSO = (MakeSOFunc != null) ?
MakeSOFunc(CombineMesh, scene.DefaultMeshSOMaterial)
: new DMeshSO().Create(CombineMesh, scene.DefaultMeshSOMaterial);
newSO.Name = go.name;
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);
}
public static GOWrapperSO CombineAnySOs(SceneObject s1, SceneObject s2, bool bDeleteExisting = true)
{
FScene scene = s1.GetScene();
if (scene.IsSelected(s1))
{
scene.Deselect(s1);
}
if (scene.IsSelected(s2))
{
scene.Deselect(s2);
}
fGameObject parentGO = GameObjectFactory.CreateParentGO("combined");
fGameObject copy1 = GameObjectFactory.Duplicate(s1.RootGameObject);
fGameObject copy2 = GameObjectFactory.Duplicate(s2.RootGameObject);
// if inputs are DMeshSOs, they do not have colliders, which we will need...
if (s1 is DMeshSO)
{
foreach (var go in copy1.Children())
{
if (go.GetComponent <MeshFilter>() != null && go.GetComponent <MeshCollider>() == null)
{
go.AddComponent <MeshCollider>();
}
}
}
if (s2 is DMeshSO)
{
foreach (var go in copy2.Children())
{
if (go.GetComponent <MeshFilter>() != null && go.GetComponent <MeshCollider>() == null)
{
go.AddComponent <MeshCollider>();
}
}
}
parentGO.AddChild(copy1, true);
parentGO.AddChild(copy2, true);
GOWrapperSO wrapperSO = new GOWrapperSO()
{
AllowMaterialChanges = false
};
wrapperSO.Create(parentGO);
if (bDeleteExisting)
{
scene.RemoveSceneObject(s1, false);
scene.RemoveSceneObject(s2, false);
}
scene.AddSceneObject(wrapperSO, false);
return(wrapperSO);
}
