public static CadMesh CreateSphere(Vector3d pos, double r, int slices1, int slices2)
{
VertexList vl = new VertexList(slices2);
double d = Math.PI / slices2;
for (int i = 0; i < slices2; i++)
{
double a = i * d;
double x = Math.Sin(a) * r;
double y = Math.Cos(a) * r;
vl.Add(CadVertex.Create(x, y, 0));
}
vl.Add(CadVertex.Create(0, -r, 0));
CadMesh mesh = CreateRotatingBody(
slices1, Vector3d.Zero, Vector3d.UnitY, vl, false, false, FaceType.TRIANGLE);
for (int i = 0; i < mesh.VertexStore.Count; i++)
{
mesh.VertexStore.Ref(i).vector += pos;
}
return(mesh);
}
protected override void InternalCompute()
{
TVertex source = default(TVertex);
TVertex target = default(TVertex);
var graph = (UndirectedGraph <TVertex, TEdge>)VisitedGraph;
Contract.Requires(graph != null);
while (!graph.IsEdgesEmpty)
{
List <TEdge> toRemove = new List <TEdge>();
//Get random edge
int rndNum = rnd.Next(graph.Edges.Count() - 1);
TEdge rndEdge = graph.Edges.ElementAt(rndNum);
source = rndEdge.Source;
target = rndEdge.Target;
if (graph.AdjacentDegree(rndEdge.Source) > 1)
{
if (!coverSet.Contains(source))
{
coverSet.Add(source);
}
}
if (graph.AdjacentDegree(rndEdge.Target) > 1)
{
if (!coverSet.Contains(target))
{
coverSet.Add(target);
}
}
if ((graph.AdjacentDegree(rndEdge.Target) == 1) && (graph.AdjacentDegree(rndEdge.Source) == 1))
{
if (!coverSet.Contains(source))
{
coverSet.Add(source);
}
IEnumerable <TEdge> toDel = graph.AdjacentEdges(source);
graph.RemoveEdges(toDel.ToList());
}
else
{
IEnumerable <TEdge> toDel = graph.AdjacentEdges(target).Concat(graph.AdjacentEdges(source));
graph.RemoveEdges(toDel.ToList());
}
}
}
/// <inheritdoc />
protected override void InternalCompute()
{
var graph = new UndirectedGraph <TVertex, TEdge>(
VisitedGraph.AllowParallelEdges,
VisitedGraph.EdgeEqualityComparer);
graph.AddVerticesAndEdgeRange(VisitedGraph.Edges);
while (!graph.IsEdgesEmpty)
{
TEdge[] graphEdges = graph.Edges.ToArray();
// Get a random edge
int randomEdgeIndex = _rng.Next(graphEdges.Length - 1);
TEdge randomEdge = graphEdges[randomEdgeIndex];
TVertex source = randomEdge.Source;
TVertex target = randomEdge.Target;
if (graph.AdjacentDegree(randomEdge.Source) > 1 && !_coverSet.Contains(source))
{
_coverSet.Add(source);
}
if (graph.AdjacentDegree(randomEdge.Target) > 1 && !_coverSet.Contains(target))
{
_coverSet.Add(target);
}
if (graph.AdjacentDegree(randomEdge.Target) == 1 &&
graph.AdjacentDegree(randomEdge.Source) == 1)
{
if (!_coverSet.Contains(source))
{
_coverSet.Add(source);
}
graph.RemoveEdges(
graph.AdjacentEdges(source).ToArray());
}
else
{
TEdge[] edgesToRemove = graph.AdjacentEdges(target)
.Concat(graph.AdjacentEdges(source))
.ToArray();
graph.RemoveEdges(edgesToRemove);
}
}
}
private void addVertex(Vector3 point, Vector2 uv1, float sunLight, Color localLight)
{
//VertexList.Add(new VertexPositionTextureLight(point, uv1, sunLight, localLight.ToVector3()));
//VertexList.Add(new VertexPositionNormalTexture(point, Vector3.Forward, uv1));
VertexList.Add(new VertexPositionColorTextureNormal(point, localLight, uv1, Vector3.Forward));
}
/// <summary>
/// Delete all vertexes and edges that have no <see cref="Part"/> associated with them.
/// </summary>
public void DeleteArtificialVertexes()
{
VertexList dummies = new VertexList();
foreach (V n in this.Vertexes)
{
if (n.Node == null)
{
dummies.Add(n);
}
}
foreach (V n in dummies)
{
DeleteVertex(n);
}
EdgeList dummies2 = new EdgeList();
foreach (E l in this.Edges)
{
if (l.Link == null)
{
dummies2.Add(l);
}
}
foreach (E l in dummies2)
{
DeleteEdge(l);
}
}
// Add a new line into the simple layout struct, new vertices and a new edge
public void AddEdge(PointF WorldFrom, PointF WorldTo, int Width, int Height)
{
int nextindex = FindNextIndex();
Vertex vP1 = new Vertex();
vP1.Index = nextindex++;
vP1.X = WorldFrom.X;
vP1.Y = WorldFrom.Y;
VertexList.Add(vP1);
Vertex vP2 = new Vertex();
vP2.Index = nextindex++;
vP2.X = WorldTo.X;
vP2.Y = WorldTo.Y;
VertexList.Add(vP2);
// Now add a segment
Edge oEdge = new Edge();
oEdge.Height = 30;
oEdge.Width = 10;
oEdge.p1 = vP1.Index;
oEdge.p2 = vP2.Index;
oEdge.ID = "";
oEdge.HoleGroupID = "";
EdgeList.Add(oEdge);
}
public Geometry(Collada document, string geometryname, List <Triangle> triangles)
: base(ns + "geometry", geometryname)
{
this.Symbol = geometryname;
Dictionary <string, List <Triangle> > trilists = new Dictionary <string, List <Triangle> >();
this.VertexList = new List <Vertex>();
this.Materials = new List <Material>();
Dictionary <object, int> vtxrevindex = new Dictionary <object, int>();
foreach (Triangle triangle in triangles)
{
if (!trilists.ContainsKey(triangle.Texture.Name))
{
trilists[triangle.Texture.Name] = new List <Triangle>();
Material material = document.GetOrCreateMaterial(triangle.Texture);
Materials.Add(material);
}
trilists[triangle.Texture.Name].Add(triangle);
foreach (Vertex vertex in new Vertex[] { triangle.A, triangle.B, triangle.C })
{
if (!vtxrevindex.ContainsKey(vertex))
{
vtxrevindex[vertex] = VertexList.Count;
VertexList.Add(vertex);
}
}
}
PositionSource = new Source(geometryname + "_pos", "POSITION", VertexList.Select(v => v.Position), VertexList.Count);
TexcoordSource = new TexCoordSource(geometryname + "_tex", "TEXCOORD", VertexList.Select(v => v.TexCoord), VertexList.Count, Materials);
NormalSource = VertexList[0].Normal != Vector4.Zero ? new Source(geometryname + "_normal", "NORMAL", VertexList.Select(v => v.Normal), VertexList.Count) : null;
TangentSource = VertexList[0].Tangent != Vector4.Zero ? new Source(geometryname + "_tangent", "TANGENT", VertexList.Select(v => v.Tangent), VertexList.Count) : null;
BinormalSource = VertexList[0].Binormal != Vector4.Zero ? new Source(geometryname + "_binormal", "BINORMAL", VertexList.Select(v => v.Binormal), VertexList.Count) : null;
VertexSource = new VerticesSource(geometryname + "_vtx", "VERTEX", PositionSource, NormalSource, TangentSource, BinormalSource);
this.Add(
new XElement(ns + "mesh",
PositionSource,
TexcoordSource,
NormalSource,
TangentSource,
BinormalSource,
VertexSource,
Materials.Select(m =>
new XElement(ns + "triangles",
new XAttribute("count", trilists[m.Effect.Image.Texture.Name].Count),
new XAttribute("material", m.ID),
VertexSource.GetInput(0),
TexcoordSource.GetInput(1, m),
new XElement(ns + "p",
"\n",
String.Join("\n", trilists[m.Effect.Image.Texture.Name].Select(t => String.Join(" ", new Vertex[] { t.A, t.B, t.C }.Select(v => String.Format("{0} {0}", vtxrevindex[v]))))),
"\n"
)
)
)
)
);
}
/*
+ + + +
|
| v + + + +
| vcnt:3 |
+--+--+--+
| u
| ucnt:4
*/
public static VertexList CreateFlatControlPoints(int ucnt, int vcnt, Vector3d uunit, Vector3d vunit)
{
VertexList vl = new VertexList(ucnt * vcnt);
Vector3d ud = ((double)(ucnt - 1) / 2.0) * uunit;
Vector3d vd = ((double)(vcnt - 1) / 2.0) * vunit;
Vector3d p = Vector3d.Zero;
p -= ud;
p -= vd;
Vector3d lp = p;
for (int v = 0; v < vcnt; v++)
{
p = lp;
for (int u = 0; u < ucnt; u++)
{
vl.Add(new CadVertex(p));
p += uunit;
}
lp += vunit;
}
return(vl);
}
public void Eval(VertexList vl)
{
double u;
double v;
for (int j = 0; j <= VBSpline.DivCnt; ++j)
{
v = j * VBSpline.Step + VBSpline.LowKnot;
if (v >= VBSpline.HighKnot)
{
v = VBSpline.HighKnot - BSpline.Epsilon;
}
for (int i = 0; i <= UBSpline.DivCnt; ++i)
{
u = i * UBSpline.Step + UBSpline.LowKnot;
if (u >= UBSpline.HighKnot)
{
u = UBSpline.HighKnot - BSpline.Epsilon;
}
vl.Add(new CadVertex(CalcPoint(u, v)));
}
}
}
/// <summary>
/// Calculates and returns the shortest path between the specified vertices in the specified graph.
/// </summary>
/// <param name="startVertex">The start Vertex.</param>
/// <param name="endVertex">The end vertex.</param>
/// <returns>A graph that's updated with the calculated shortest paths.</returns>
public VertexList <Vertex> GetShortestPath(Vertex startVertex, Vertex endVertex)
{
if (!_calculated)
{
CalculateShortestPaths();
}
VertexList <Vertex> path = new VertexList <Vertex>();
if (_graph != null && _graph.VertexExists(startVertex) && _graph.VertexExists(endVertex))
{
Vertex currentVertex = endVertex;
while (currentVertex != null)
{
if (_graph.VertexExists(currentVertex))
{
path.Add(currentVertex);
currentVertex = currentVertex.Previous;
}
else
{
path.Clear();
break;
}
}
path.Reverse();
}
return(path);
}
public override void Undo(CadObjectDB db)
{
CadLayer layer = db.GetLayer(LayerID);
CadFigure fig = db.GetFigure(FigureID);
if (fig == null)
{
return;
}
int idx = PointIndex;
int i = 0;
if (mPointList == null)
{
mPointList = new VertexList();
}
mPointList.Clear();
for (; i < InsertNum; i++)
{
mPointList.Add(fig.GetPointAt(idx + i));
}
fig.RemovePointsRange(idx, InsertNum);
}
public eOperationStatus AppendEdge(int Width, int Height, int DeltaX, int DeltaY)
{
if (MostRecentlySelectedVertex == null)
{
return(eOperationStatus.NoVertexSelected);
}
// Add a new point
int nextindex = FindNextIndex();
Vertex vP = new Vertex();
vP.Index = nextindex;
vP.X = MostRecentlySelectedVertex.X + DeltaX;
vP.Y = MostRecentlySelectedVertex.Y + DeltaY;
VertexList.Add(vP);
// Add an edge
Edge oEdge = new Edge();
oEdge.Height = Height;
oEdge.Width = Width;
oEdge.p1 = MostRecentlySelectedVertex.Index;
oEdge.p2 = vP.Index;
oEdge.ID = "";
oEdge.HoleGroupID = "";
EdgeList.Add(oEdge);
return(eOperationStatus.OK);
}
protected override void InternalCompute()
{
var cancelManager = this.Services.CancelManager;
EdgeHeap edgeHeap = new EdgeHeap(this);
//var edgeSortedList = new SortedList<double, TEdge>();
TEdge nextEdge;
TVertex nextVertex;
VertexList <TVertex> visited = new VertexList <TVertex>();
TVertex start = VisitedGraph.Vertices.GetEnumerator().Current;
TreeVertex(start);
visited.Add(start);
// adding all the outgoing edges to the sorted list
foreach (var edge in VisitedGraph.Edges.Where(e => e.Source.Equals(start)))
{
edgeHeap.Add(edge);
}
if (cancelManager.IsCancelling)
{
return;
}
nextEdge = edgeHeap.GetSmallest();
nextVertex = nextEdge.Target;
TreeVertex(nextVertex);
TreeEdge(nextEdge);
visited.Add(start);
// adding one edge and one vertex untill tree is complete
for (int i = 1; i <= VisitedGraph.VertexCount - 1; i++)
{
edgeHeap.RemoveAllTargetingVertex(nextVertex);
var edges = VisitedGraph.Edges.Where(e => e.Source.Equals(nextVertex) && !visited.Contains(e.Target));
foreach (var edge in edges)
{
edgeHeap.Add(edge);
}
nextEdge = edgeHeap.GetSmallest();
nextVertex = nextEdge.Target;
TreeVertex(nextVertex);
TreeEdge(nextEdge);
visited.Add(start);
}
}
public Connection(Project project, Vertex a, Vertex b, params Vertex[] args)
: this(project, a, b)
{
foreach (var vertex in args)
{
VertexList.Add(vertex);
}
}
private void AddVertex(string vertex)
{
if (!VertexContains(vertex))
{
VertexList.Add(new Vertex(index, vertex));
index++;
}
}
public static List <VertexList <T> > Compute(Graph <T> graph, Vertex <T> startingVertex)
{
iteratorList = new VertexList <T>();
allPathWitAStartingVertex = new List <VertexList <T> >();
iteratorList.Add(startingVertex);
DepthFirstSearch(startingVertex);
return(allPathWitAStartingVertex.OrderBy(x => x.Count).ToList());
}
private void insertVertexToSameSenseEdge(Face Fa, int Bounds, int Edge, Vertex3d V)
{
EdgeLoop EL = Fa.Bounds[Bounds];
Edge E = EL[Edge];
Face Neigbhbor = null;
int outloop = -1;
double d = Face.GetDualEdge(Fa, Bounds, Edge + 0.5, ref outloop, ref Neigbhbor);
EdgeLoop DualEL = Neigbhbor.Bounds[outloop];
int DualEdge = (int)d;
Edge F = DualEL[DualEdge];
// Zuerst die neue Kante
Edge NewEdge = new Edge();
EdgeList.Add(NewEdge);
NewEdge.SameSense = true;
NewEdge.EdgeStart = E.EdgeStart;
NewEdge.EdgeEnd = V;
Line3D L = new Line3D(NewEdge.EdgeStart.Value, V.Value);
EdgeCurveList.Add(L);
L.Neighbors = new Face[2];
L.Neighbors[0] = E.EdgeCurve.Neighbors[0];
L.Neighbors[1] = E.EdgeCurve.Neighbors[1];
NewEdge.EdgeCurve = L;
VertexList.Add(V);
E.EdgeStart = V;
E.EdgeCurve.A = V.Value;
EL.Insert(Edge, NewEdge);
// Duale
NewEdge = new Edge();
NewEdge.SameSense = false;
EdgeList.Add(NewEdge);
if (DualEdge + 1 < DualEL.Count)
{
DualEL.Insert(DualEdge + 1, NewEdge);
}
else
{
DualEL.Insert(0, NewEdge);
}
NewEdge.EdgeStart = V;
NewEdge.EdgeEnd = F.EdgeEnd;
F.EdgeEnd = V;
NewEdge.EdgeCurve = L;
}
public object BeginLoad(XmlElementReader element)
{
switch (element.Attribute("style").Text)
{
case "solid":
default:
Style = ConnectionStyle.Solid;
break;
case "dashed":
Style = ConnectionStyle.Dashed;
break;
}
switch (element.Attribute("flow").Text)
{
case "twoWay":
default:
Flow = ConnectionFlow.TwoWay;
break;
case "oneWay":
Flow = ConnectionFlow.OneWay;
break;
}
StartText = element.Attribute("startText").Text;
MidText = element.Attribute("midText").Text;
EndText = element.Attribute("endText").Text;
if (element.Attribute("color").Text != "")
{
ConnectionColor = ColorTranslator.FromHtml(element.Attribute("color").Text);
}
var vertexElementList = new List <XmlElementReader>();
vertexElementList.AddRange(element.Children);
vertexElementList.Sort((a, b) => a.Attribute("index").ToInt().CompareTo(b.Attribute("index").ToInt()));
foreach (var vertexElement in vertexElementList)
{
if (vertexElement.HasName("point"))
{
var vertex = new Vertex();
vertex.Position = new Vector(vertexElement.Attribute("x").ToFloat(), vertexElement.Attribute("y").ToFloat());
VertexList.Add(vertex);
}
else if (vertexElement.HasName("dock"))
{
var vertex = new Vertex();
// temporarily leave this vertex as a positional vertex;
// we can't safely dock it to a port until EndLoad().
VertexList.Add(vertex);
}
}
return(vertexElementList);
}
public static CadMesh CreateCylinder(int circleDiv, int slices, double r, double len)
{
VertexList vl = new VertexList();
double sl = slices;
double dl = len / sl;
double y = len / 2;
for (double i = 0; i < sl; i++)
{
vl.Add(new CadVertex(r, y - (i * dl), 0));
}
vl.Add(new CadVertex(r, -len / 2, 0));
return(CreateRotatingBody(
circleDiv, Vector3d.Zero, Vector3d.UnitY, vl, true, true, FaceType.TRIANGLE));
}
public static VertexList <T> Compute(Graph <T> graph, Vertex <T> startNode)
{
list = new VertexList <T>();
checkList = new VertexList <T>();
checkList.Add(startNode);
Search(startNode);
return(list);
}
/// <summary>
/// Returns a list containing all of the vertices in this Graph.
/// </summary>
/// <returns>A list containing all of the vertices in this Graph.</returns>
public VertexList <VertexType> GetVertices()
{
VertexList <VertexType> vertices = new VertexList <VertexType>();
foreach (VertexType vertex in _adjacentEdges.Keys)
{
vertices.Add(vertex);
}
return(vertices);
}
public eOperationStatus SplitMostRecentlySelectedEdge(float RelativeDistance)
{
if (EdgeList.Count == 0)
{
return(eOperationStatus.NoEdgesDefined);
}
if (MostRecentlySelectedEdge == null)
{
return(eOperationStatus.NoEdgeSelected);
}
Vertex v1 = FindVertexFromIndex(MostRecentlySelectedEdge.p1);
Vertex v2 = FindVertexFromIndex(MostRecentlySelectedEdge.p2);
SVector2 f = new SVector2(v1.X, v1.Y);
SVector2 t = new SVector2(v2.X, v2.Y);
SVector2 interpolatedVector = SVector2.Interpolate(f, t, RelativeDistance);
/*
* Get the point at the at this distance mark
*/
PointF InterpolatedPoint = new PointF(interpolatedVector.X, interpolatedVector.Y);
// Add the interpolated point as a new vertex
Vertex vInterpolated = new Vertex();
vInterpolated.Index = FindNextIndex();
vInterpolated.X = InterpolatedPoint.X;
vInterpolated.Y = InterpolatedPoint.Y;
VertexList.Add(vInterpolated);
// Create a new edge with two points, the interpolated point and the current p2
Edge newEdge = new Edge();
newEdge.Width = MostRecentlySelectedEdge.Width;
newEdge.Height = MostRecentlySelectedEdge.Height;
newEdge.ID = "";
newEdge.HoleGroupID = "";
newEdge.p1 = vInterpolated.Index;
newEdge.p2 = MostRecentlySelectedEdge.p2;
EdgeList.Add(newEdge);
// update the current edge, set its 'p2' point to the interpolated point. This will trim it
// Also, clear out any holes, the split edge requires a reset
MostRecentlySelectedEdge.p2 = vInterpolated.Index;
MostRecentlySelectedEdge.HoleGroupID = "";
return(eOperationStatus.OK);
}
public static VertexList VertexListFromMp(List <MpVertex_v1002> list)
{
VertexList ret = new VertexList(list.Count);
for (int i = 0; i < list.Count; i++)
{
ret.Add(list[i].Restore());
}
return(ret);
}
public static void AddToCollision(Form_AreaEditor @base, VertexList vlist, Vertex[] vs, TriangleList tlist, Triangle[] ts)
{
foreach (Vertex v in vs)
{
vlist.Add(v);
}
foreach (Triangle t in ts)
{
tlist.Add(t);
}
@base.maps.ReloadCollisionInOpenGL();
}
public void DrawPoint(Angle lat, Angle lon)
{
//if (World.Settings.CurrentWwTool != this.drawTool)
// return;
if (!isOn)
{
return;
}
#region state
if (State == DrawState.Idle || State == DrawState.Complete)
{
if (!this.Initialized)
{
this.Initialize(this.drawArgs);
}
State = DrawState.Drawing;
}
#endregion
if (State == DrawState.Drawing && this.Initialized)
{
if (Angle.IsNaN(lat))
{
return;
}
Point3d pickPt = new Point3d();
pickPt.X = lon.Degrees;
pickPt.Y = lat.Degrees;
pickPt.Z = (useTerrain) ? getElevation(lat.Degrees, lon.Degrees) : defaultElev;
if (PointList.Count > 0)
{
List <CustomVertex.PositionColored> newVertexes = getCurveFromPoints(PointList[PointList.Count - 1], pickPt, lineColor);
VertexList.AddRange(newVertexes.GetRange(1, newVertexes.Count - 1));
}
else
{
VertexList.Add(Point3d2PositionColored(pickPt, lineColor));
}
PointList.Add(pickPt);
//虽然我也不知道为什么但是不加这一段整个三维球界面都会变黑
movingPt.IsNaN = false;
movingPt.X = pickPt.X;
movingPt.Y = pickPt.Y;
movingPt.Z = pickPt.Z;
UpdateTrackVertexList();
}
}
public static VertexList GetExpandList(
VertexList src,
int curveSplitNum)
{
int cnt = src.Count;
VertexList ret = new VertexList(curveSplitNum * ((cnt + 1) / 2));
ForEachPoints <Object>(src, curveSplitNum, (v, d) => { ret.Add(v); }, null);
return(ret);
}
protected Vertex NewVertex(float X, float Y)
{
Vertex vNew = new Vertex();
vNew.Index = FindNextIndex();
vNew.X = X;
vNew.Y = Y;
VertexList.Add(vNew);
return(vNew);
}
public void Eval(VertexList vl)
{
for (int p = 0; p <= BSplineP.DivCnt; ++p)
{
double t = p * BSplineP.Step + BSplineP.LowKnot;
if (t >= BSplineP.HighKnot)
{
t = BSplineP.HighKnot - BSpline.Epsilon;
}
vl.Add(new CadVertex(CalcPoint(t)));
}
}
public void TestVertexList()
{
VertexList <Vertex> vl = new VertexList <Vertex>();
Assert.AreEqual(vl.Count, 0);
Vertex v0 = new Vertex();
Vertex v1 = new Vertex();
vl.Add(0, v0);
vl.Add(1, v1);
foreach (KeyValuePair <int, Vertex> pair in vl)
{
Assert.IsNotNull(pair);
Assert.IsNotNull(pair.Value);
}
Assert.AreEqual(vl.Count, 2);
Assert.IsTrue(vl.ContainsKey(0));
Assert.IsTrue(vl.ContainsKey(1));
Assert.IsTrue(vl.Contains(new KeyValuePair <int, Vertex>(0, v0)));
Assert.IsTrue(vl.Contains(new KeyValuePair <int, Vertex>(1, v1)));
Vertex re = null;
Assert.IsTrue(vl.TryGetValue(0, out re));
Assert.AreEqual(re, v0);
re = null;
Assert.IsFalse(vl.TryGetValue(2, out re));
Assert.IsNull(re);
Assert.IsTrue(vl.Remove(new KeyValuePair <int, Vertex>(0, v0)));
Assert.IsTrue(vl.ContainsKey(0));
Assert.IsFalse(vl.ContainsKey(1));
Assert.AreEqual(vl[0], v1);
Assert.IsTrue(vl.Remove(0));
Assert.AreEqual(vl.Count, 0);
}
private int AddVertexToMesh(Vector3 point, Color color, Vector3 normal)
{
//Make it into a vertex
VertexPositionColorNormal v = new VertexPositionColorNormal(point, color, normal);
//Check if vertex already exists
//if (VertexList.Contains(v))
//return VertexList.IndexOf(v);
//else
{
VertexList.Add(v);
return(VertexList.Count - 1);
}
}
static void HandleTree(VertexList<SceneryVertex> sceneryVertexList, TileData td, ref IntVector3 pos)
{
SymbolID symbol;
Color color;
switch (td.ID)
{
case TileID.Tree:
switch (td.MaterialID)
{
case MaterialID.Fir:
symbol = SymbolID.ConiferousTree;
break;
case MaterialID.Pine:
symbol = SymbolID.ConiferousTree2;
break;
case MaterialID.Birch:
symbol = SymbolID.DeciduousTree;
break;
case MaterialID.Oak:
symbol = SymbolID.DeciduousTree2;
break;
default:
throw new Exception();
}
break;
case TileID.Sapling:
switch (td.MaterialID)
{
case MaterialID.Fir:
symbol = SymbolID.ConiferousSapling;
break;
case MaterialID.Pine:
symbol = SymbolID.ConiferousSapling2;
break;
case MaterialID.Birch:
symbol = SymbolID.DeciduousSapling;
break;
case MaterialID.Oak:
symbol = SymbolID.DeciduousSapling2;
break;
default:
throw new Exception();
}
break;
case TileID.DeadTree:
symbol = SymbolID.DeadTree;
break;
default:
throw new Exception();
}
color = Color.ForestGreen;
sceneryVertexList.Add(new SceneryVertex(pos.ToVector3(), Color.LightGreen, (uint)symbol));
}
void CreateCube(IntVector3 p, Direction visibleFaces,
ref FaceTexture baseTexture, ref FaceTexture topTexture, VertexList<TerrainVertex> vertexList,
Direction sliceFaces)
{
var offset = p - this.ChunkOffset;
int sides = (int)visibleFaces;
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
continue;
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0, v1, v2, v3;
v0 = vertices[0] + offset;
v1 = vertices[1] + offset;
v2 = vertices[2] + offset;
v3 = vertices[3] + offset;
Direction dir = (Direction)(1 << side);
bool isSliceFace = (sliceFaces & dir) != 0;
int occ0, occ1, occ2, occ3;
if (isSliceFace)
{
occ0 = occ1 = occ2 = occ3 = 0;
}
else
{
GetOcclusionsForFace(p, (DirectionOrdinal)side,
out occ0, out occ1, out occ2, out occ3);
}
var tex = side == (int)DirectionOrdinal.PositiveZ ? topTexture : baseTexture;
byte sliceHack = isSliceFace ? (byte)1 : (byte)0;
var vd = new TerrainVertex(v0, v1, v2, v3, occ0, occ1, occ2, occ3,
tex, sliceHack);
vertexList.Add(vd);
}
}
void CreateUndefinedChunk(ref IntGrid3 viewGrid, ref IntGrid3 chunkGrid, VertexList<TerrainVertex> vertexList,
Direction visibleChunkFaces)
{
// Faces that are visible due to viewgrid
Direction sliceFaces = GetGridSliceDirections(ref chunkGrid, ref viewGrid) & visibleChunkFaces;
// Only faces revealed by viewgrid are visible
Direction visibleFaces = sliceFaces;
if (visibleFaces == 0)
return;
int sides = (int)visibleFaces;
FaceTexture tex = Chunk.UndefinedFaceTexture;
const int occlusion = 0;
var offset = chunkGrid.Corner1 - this.ChunkOffset;
var size = new IntVector3(chunkGrid.Size.Width, chunkGrid.Size.Height, chunkGrid.Size.Depth);
// All faces are revealed by viewgrid
byte sliceHack = (byte)1;
if (Chunk.UseBigUnknownChunk)
{
/* Note: Using chunk sized quads causes t-junction problems */
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
continue;
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0 = vertices[0] * size + offset;
IntVector3 v1 = vertices[1] * size + offset;
IntVector3 v2 = vertices[2] * size + offset;
IntVector3 v3 = vertices[3] * size + offset;
var vd = new TerrainVertex(v0, v1, v2, v3, occlusion, occlusion, occlusion, occlusion, tex, sliceHack);
vertexList.Add(vd);
}
}
else
{
for (int side = 0; side < 6 && sides != 0; ++side, sides >>= 1)
{
if ((sides & 1) == 0)
continue;
int d0 = side / 2;
int d1 = (d0 + 1) % 3;
int d2 = (d0 + 2) % 3;
bool posFace = (side & 1) == 1;
var vertices = s_cubeFaceInfo[side].Vertices;
IntVector3 v0 = vertices[0] + offset;
IntVector3 v1 = vertices[1] + offset;
IntVector3 v2 = vertices[2] + offset;
IntVector3 v3 = vertices[3] + offset;
var vec1 = new IntVector3();
vec1[d1] = 1;
var vec2 = new IntVector3();
vec2[d2] = 1;
for (int v = 0; v < size[d1]; ++v)
for (int u = 0; u < size[d2]; ++u)
{
var off = vec1 * v + vec2 * u;
if (posFace)
off[d0] = size[d0] - 1;
var vd = new TerrainVertex(v0 + off, v1 + off, v2 + off, v3 + off,
occlusion, occlusion, occlusion, occlusion, tex, sliceHack);
vertexList.Add(vd);
}
}
}
}