private void AddNode(CsgNode node)
{
if (root == null)
{
return;
}
CsgNodeWrapper wrapper = root.Node.Repository.GetWrapper(node);
CsgNodeTreeViewItem item = nodeView.SelectedItem as CsgNodeTreeViewItem;
CsgGroupWrapper selected = null;
while (item != null)
{
selected = item.Node as CsgGroupWrapper;
if (selected != null)
{
break;
}
item = item.Parent as CsgNodeTreeViewItem;
}
if (selected == null)
{
selected = root.Node as CsgGroupWrapper;
}
if (selected != null)
{
selected.AddChild(wrapper);
}
}
public CsgNodeWrapper(CsgNodeWrapperRepository repo, CsgNode node)
{
Repository = repo;
Node = node;
if (string.IsNullOrEmpty(node.Id))
{
node.Id = Guid.NewGuid().ToString();
}
}
public CsgNode Clone()
{
var node = new CsgNode();
node.Plane = Plane?.Clone();
node.Front = Front?.Clone();
node.Back = Back?.Clone();
node.Polygons = Polygons.Select(p => p.Clone()).ToList();
return(node);
}
public CsgNodeWrapper GetWrapper(CsgNode node)
{
CsgNodeWrapper wrapper;
if (!Wrappers.TryGetValue(node, out wrapper))
{
if (node is CsgCube)
{
wrapper = new CsgCubeWrapper(this, (CsgCube)node);
}
else if (node is CsgTranslate)
{
wrapper = new CsgTranslateWrapper(this, (CsgTranslate)node);
}
else if (node is CsgScale)
{
wrapper = new CsgScaleWrapper(this, (CsgScale)node);
}
else if (node is CsgRotate)
{
wrapper = new CsgRotateWrapper(this, (CsgRotate)node);
}
else if (node is CsgUnion)
{
wrapper = new CsgUnionWrapper(this, (CsgUnion)node);
}
else if (node is CsgSubtract)
{
wrapper = new CsgSubtractWrapper(this, (CsgSubtract)node);
}
else if (node is CsgIntersect)
{
wrapper = new CsgIntersectWrapper(this, (CsgIntersect)node);
}
else if (node is CsgGroup)
{
wrapper = new CsgGroupWrapper(this, (CsgGroup)node);
}
else
{
wrapper = new CsgNodeWrapper(this, node);
}
Wrappers[node] = wrapper;
WrapperIds[wrapper.Id] = wrapper;
wrapper.PropertyChanged += WrapperPropertyChanged;
OnObjectRootsChanged();
SetDirty();
}
return(wrapper);
}
public void Invert()
{
for (int i = 0; i < Polygons.Count; i++)
{
Polygons[i].Flip();
}
Plane.Flip();
Front?.Invert();
Back?.Invert();
var temp = Front;
Front = Back;
Back = temp;
}
public Csgjs Union(Csgjs csg)
{
if (Polygons.Count == 0)
{
return(csg.Clone());
}
if (csg.Polygons.Count == 0)
{
return(Clone());
}
var a = new CsgNode(Clone().Polygons);
var b = new CsgNode(csg.Clone().Polygons);
a.ClipTo(b);
b.ClipTo(a);
b.Invert();
b.ClipTo(a);
b.Invert();
a.Build(b.AllPolygons());
return(FromPolygons(a.AllPolygons()));
}
public void Build(List <CsgPolygon> polygons)
{
if (polygons.Count == 0)
{
return;
}
if (Plane == null)
{
// Don't randomly choose a split plane. Coherent results are important.
Plane = polygons[polygons.Count / 2].Plane.Clone();
}
var frontPolygons = new List <CsgPolygon>();
var backPolygons = new List <CsgPolygon>();
for (int i = 0; i < polygons.Count; i++)
{
Plane.SplitPolygon(polygons[i], Polygons, Polygons, frontPolygons, backPolygons);
}
if (frontPolygons.Count > 0)
{
if (Front == null)
{
Front = new CsgNode();
}
Front.Build(frontPolygons);
}
if (backPolygons.Count > 0)
{
if (Back == null)
{
Back = new CsgNode();
}
Back.Build(backPolygons);
}
}
public void ClipTo(CsgNode bsp)
{
Polygons = bsp.ClipPolygons(Polygons);
Front?.ClipTo(bsp);
Back?.ClipTo(bsp);
}
public void Dig(CsgNode shape, BoundingSphere shapeBoundary, DigMode digMode, IEnumerable <int> materialFilter)
{
CsgNode digShape = null;
// constraintDiffNode performs the constraint as a CSG operation
// by cutting away anything of thge digging shape not inside the allowed area.
CsgOpDiff constraintDiffNode = new CsgOpDiff();
// Assemble difference operation by applying all drone constraints.
player.AddDroneConstraints(constraintDiffNode, shapeBoundary.Center);
// When placing material, add a safety margin around the player to prevent it from physically glitching trough the terrain
if (digMode == DigMode.Add)
{
playerNode.SetParameterFloat("playerRadius", player.Character.CharacterDiameter * 0.5f + 0.2f);
playerNode.SetParameterVec3("playerPosition", player.Character.Position);
playerNode.SetParameterVec3("digDirX", new vec3(1, 0, 0));
playerNode.SetParameterVec3("digDirZ", new vec3(0, 0, 1));
playerNode.SetParameterVec3("digDirY", new vec3(0, 0, player.Character.BodyHeight * 0.5f + 0.2f));
constraintDiffNode.AddNode(playerNode);
}
// We apply the constraint by substracting it from the given shape.
CsgOpConcat constraintedShape = new CsgOpConcat();
constraintedShape.AddNode(shape);
constraintedShape.AddNode(constraintDiffNode);
digShape = constraintedShape;
CsgNode digNode = null;
// Depending on the digging mode, we either add or substract the digging shape from the terrain.
if (digMode == DigMode.Substract)
{
digNode = new CsgOpDiff(digShape);
}
else
{
digNode = new CsgOpUnion(digShape);
}
// Filter for tools
CsgNode filterNode = digNode;
if (materialFilter != null)
{
CsgFilterNode filter = new CsgFilterNode(true, digNode);
foreach (int mat in materialFilter)
{
filter.AddMaterial(mat);
}
filter.AddMaterial(0); // Air must be white-listed, too!
filterNode = filter;
}
// Float elimination
CsgOpConcat collapser = new CsgOpConcat(filterNode);
collapser.AddNode(new CsgCollapseNode());
// Callback for statistical purposes.
CsgStatCallback finalNode = new CsgStatCallback(collapser, 4, 4);
finalNode.AddSimpleVolumeCallback("UpvoidMiner", UpvoidMiner.ModDomain, "UpvoidMiner.DiggingController", "StatCallback");
finalNode.AddVolumeChangePointCallback("UpvoidMiner", UpvoidMiner.ModDomain, "UpvoidMiner.DiggingController", "PointCallback");
world.Terrain.ModifyTerrain(shapeBoundary, finalNode);
}
protected virtual void UpdateModel()
{
while (viewport.Children.Count > 1)
{
viewport.Children.RemoveAt(1);
}
CsgNodeWrapper wrapper = null;
bool resetView = lastModel == null;
if (LockToggle.IsChecked.GetValueOrDefault())
{
wrapper = lastModel; lastModel.IsViewing = true;
}
else if (lastModel != null)
{
lastModel.IsViewing = false;
}
if (wrapper == null)
{
wrapper = SelectedItem;
}
if (lastModel != null)
{
lastModel.MeshChanged -= ModelMeshChanged; lastModel = null;
}
if (wrapper == null)
{
return;
}
CsgNode root = wrapper.Node;
lastModel = wrapper;
lastModel.MeshChanged += ModelMeshChanged;
modelMin = new Point3D(double.MaxValue, double.MaxValue, double.MaxValue);
modelMax = new Point3D(double.MinValue, double.MinValue, double.MinValue);
meshGeometry.Clear();
foreach (Mesh3 mesh in GetMeshes())
{
mesh.CalculateNormals();
viewport.Children.Add(new ModelVisual3D()
{
Content = meshGeometry[mesh] = new GeometryModel3D()
{
Material = defaultMaterial,
Geometry = new MeshGeometry3D()
{
TriangleIndices = new Int32Collection(mesh.TriangleIndices),
Normals = new Vector3DCollection(mesh.VertexNormals.Select(x => new Vector3D(x.X, x.Y, x.Z)).ToArray()),
Positions = new Point3DCollection(mesh.Vertices.Select(x =>
{
Vector3 transformed = mesh.Transform.Transform(x) + mesh.Position;
if (transformed.X < modelMin.X)
{
modelMin.X = transformed.X;
}
if (transformed.X > modelMax.X)
{
modelMax.X = transformed.X;
}
if (transformed.Y < modelMin.Y)
{
modelMin.Y = transformed.Y;
}
if (transformed.Y > modelMax.Y)
{
modelMax.Y = transformed.Y;
}
if (transformed.Z < modelMin.Z)
{
modelMin.Z = transformed.Z;
}
if (transformed.Z > modelMax.Z)
{
modelMax.Z = transformed.Z;
}
return(new Point3D(x.X, x.Y, x.Z));
}).ToArray())
},
Transform = new MatrixTransform3D(mesh.Transform.ToMatrix3D(mesh.Position))
}
});
}
if (resetView)
{
ResetView();
}
}