public void FlipEdge(int eid, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.FlipEdge: invalid eid!");
return;
}
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
removeChange.InitializeFromExisting(mesh, get_edge_tris(mesh, eid));
DMesh3.EdgeFlipInfo flipInfo;
if (mesh.FlipEdge(eid, out flipInfo) == MeshResult.Ok)
{
PreviewSpatial.RemoveTriangle(flipInfo.t0);
PreviewSpatial.RemoveTriangle(flipInfo.t1);
PreviewSpatial.AddTriangle(flipInfo.t0);
PreviewSpatial.AddTriangle(flipInfo.t1);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh, null, get_edge_tris(mesh, eid));
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}
public override OpStatus Cull()
{
Target = null;
RemoveChange = null;
AddChange = null;
return(OpStatus.Success);
}
public void ApplyInitialize(IEnumerable <int> triangles)
{
if (MeshChange != null)
{
throw new Exception("RemoveTrianglesChange.ApplyInitialize: change is already initialized!");
}
MeshChange = new RemoveTrianglesMeshChange();
Target.EditAndUpdateMesh(
(mesh) => { MeshChange.InitializeFromApply(mesh, triangles); },
GeometryEditTypes.ArbitraryEdit
);
}
public void SplitEdge(int eid, Frame3f posL, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.SplitEdge: invalid eid!");
return;
}
Index2i et = PreviewMesh.GetEdgeT(eid);
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
List <int> input_tris = get_edge_tris(mesh, eid);
removeChange.InitializeFromExisting(mesh, input_tris);
DMesh3.EdgeSplitInfo splitInfo;
if (mesh.SplitEdge(eid, out splitInfo) == MeshResult.Ok)
{
PreviewSpatial.RemoveTriangle(et.a);
if (et.b != DMesh3.InvalidID)
{
PreviewSpatial.RemoveTriangle(et.b);
}
PreviewSpatial.AddTriangle(et.a);
if (et.b != DMesh3.InvalidID)
{
PreviewSpatial.AddTriangle(et.b);
}
PreviewSpatial.AddTriangle(splitInfo.eNewT2);
input_tris.Add(splitInfo.eNewT2);
if (splitInfo.eNewT3 != DMesh3.InvalidID)
{
PreviewSpatial.AddTriangle(splitInfo.eNewT3);
input_tris.Add(splitInfo.eNewT3);
}
mesh.SetVertex(splitInfo.vNew, posL.Origin);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh,
new List <int>()
{
splitInfo.vNew
}, input_tris);
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}
void add_replace_change(RemoveTrianglesMeshChange remove, AddTrianglesMeshChange add, bool bInteractive)
{
remove.OnApplyF = remove_from_spatial; remove.OnRevertF = add_to_spatial;
add.OnApplyF = add_to_spatial; add.OnRevertF = remove_from_spatial;
ReplaceTrianglesChange change = new ReplaceTrianglesChange(previewSO, remove, add);
Scene.History.PushChange(change, true);
if (bInteractive)
{
Scene.History.PushInteractionCheckpoint();
}
}
void do_remove_triangles(IEnumerable <int> tris, bool bInteractive)
{
RemoveTrianglesMeshChange remove = new RemoveTrianglesMeshChange()
{
OnApplyF = remove_from_spatial, OnRevertF = add_to_spatial
};
remove.InitializeFromExisting(previewSO.Mesh, tris);
RemoveTrianglesChange change = new RemoveTrianglesChange(previewSO, remove);
Scene.History.PushChange(change, false);
if (bInteractive)
{
Scene.History.PushInteractionCheckpoint();
}
}
public void PokeFace(int tid, Frame3f posL, bool bInteractive)
{
if (PreviewMesh.IsTriangle(tid) == false)
{
DebugUtil.Log("MeshEditorTool.PokeFace: invalid tid!");
return;
}
Vector3d baryCoords = MeshQueries.BaryCoords(PreviewMesh, tid, posL.Origin);
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
removeChange.InitializeFromExisting(mesh, new List <int>()
{
tid
});
DMesh3.PokeTriangleInfo pokeInfo;
if (mesh.PokeTriangle(tid, baryCoords, out pokeInfo) == MeshResult.Ok)
{
PreviewSpatial.RemoveTriangle(tid);
PreviewSpatial.AddTriangle(tid);
PreviewSpatial.AddTriangle(pokeInfo.new_t1);
PreviewSpatial.AddTriangle(pokeInfo.new_t2);
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh,
new List <int>()
{
pokeInfo.new_vid
},
new List <int>()
{
tid, pokeInfo.new_t1, pokeInfo.new_t2
});
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}
public static void test_remove_change_construct()
{
DMesh3 testMesh = TestUtil.LoadTestInputMesh("bunny_open_base.obj");
Random r = new Random(31337);
//int N = 100;
int N = 10;
int[] indices = TestUtil.RandomIndices(N, r, testMesh.MaxVertexID);
for (int ii = 0; ii < N; ++ii)
{
MeshFaceSelection selection = new MeshFaceSelection(testMesh);
selection.SelectVertexOneRing(indices[ii]);
selection.ExpandToOneRingNeighbours(8);
RemoveTrianglesMeshChange change = new RemoveTrianglesMeshChange();
change.InitializeFromExisting(testMesh, selection);
DMesh3 removed = new DMesh3(testMesh);
MeshEditor.RemoveTriangles(removed, selection);
DMesh3 changeCopy = new DMesh3(testMesh);
change.Apply(changeCopy);
changeCopy.CheckValidity(true);
if (!changeCopy.IsSameMesh(removed, true))
{
System.Console.WriteLine("FAILED copy.IsSameMesh() 1");
}
change.Revert(changeCopy);
changeCopy.CheckValidity(false);
if (!changeCopy.IsSameMesh(testMesh, true))
{
System.Console.WriteLine("FAILED copy.IsSameMesh() 1");
}
}
System.Console.WriteLine("test_remove_change_construct ok");
}
public static void test_remove_change_apply()
{
DMesh3 testMesh = TestUtil.LoadTestInputMesh("bunny_solid.obj");
DMesh3 copy = new DMesh3(testMesh);
Vector3d c = testMesh.CachedBounds.Center;
MeshFaceSelection selection = new MeshFaceSelection(testMesh);
foreach (int tid in testMesh.TriangleIndices())
{
if (testMesh.GetTriCentroid(tid).x > c.x)
{
selection.Select(tid);
}
}
RemoveTrianglesMeshChange change = new RemoveTrianglesMeshChange();
change.InitializeFromApply(testMesh, selection);
testMesh.CheckValidity(true);
change.Apply(copy);
copy.CheckValidity(true);
if (!copy.IsSameMesh(testMesh, true))
{
System.Console.WriteLine("FAILED copy.IsSameMesh() 1");
}
change.Revert(testMesh);
testMesh.CheckValidity(false);
change.Revert(copy);
copy.CheckValidity(false);
if (!copy.IsSameMesh(testMesh, true))
{
System.Console.WriteLine("FAILED copy.IsSameMesh() 1");
}
System.Console.WriteLine("test_remove_change_apply ok");
}
public void CollapseEdge(int eid, Frame3f posL, bool bInteractive)
{
if (PreviewMesh.IsEdge(eid) == false)
{
DebugUtil.Log("MeshEditorTool.CollapseEdge: invalid eid!");
return;
}
Index2i ev = PreviewMesh.GetEdgeV(eid);
int keep = ev.a, discard = ev.b;
bool boundarya = PreviewMesh.IsBoundaryVertex(keep);
bool boundaryb = PreviewMesh.IsBoundaryVertex(discard);
if (boundaryb && !boundarya)
{
keep = ev.b; discard = ev.a;
}
HashSet <int> removeT = new HashSet <int>();
foreach (int tid in PreviewMesh.VtxTrianglesItr(keep))
{
removeT.Add(tid);
}
foreach (int tid in PreviewMesh.VtxTrianglesItr(discard))
{
removeT.Add(tid);
}
RemoveTrianglesMeshChange removeChange = null;
AddTrianglesMeshChange addChange = null;
previewSO.EditAndUpdateMesh((mesh) => {
removeChange = new RemoveTrianglesMeshChange();
removeChange.InitializeFromExisting(mesh, removeT);
DMesh3.EdgeCollapseInfo collapseInfo;
if (mesh.CollapseEdge(keep, discard, out collapseInfo) == MeshResult.Ok)
{
foreach (int tid in removeT)
{
PreviewSpatial.RemoveTriangle(tid);
}
foreach (int tid in PreviewMesh.VtxTrianglesItr(keep))
{
PreviewSpatial.AddTriangle(tid);
}
if (boundarya == false & boundaryb == false)
{
mesh.SetVertex(keep, posL.Origin);
}
addChange = new AddTrianglesMeshChange();
addChange.InitializeFromExisting(mesh, new List <int>()
{
keep
}, get_vtx_tris(mesh, keep));
}
}, GeometryEditTypes.ArbitraryEdit);
if (addChange != null)
{
add_replace_change(removeChange, addChange, bInteractive);
}
}
public RemoveTrianglesChange(DMeshSO target, RemoveTrianglesMeshChange change)
{
Target = target;
MeshChange = change;
}
public ReplaceTrianglesChange(DMeshSO target, RemoveTrianglesMeshChange remove, AddTrianglesMeshChange add)
{
RemoveChange = remove;
AddChange = add;
Target = target;
}
public override OpStatus Cull()
{
Target = null;
MeshChange = null;
return(OpStatus.Success);
}