public virtual void BuildFace(byte brick, Vector3 corner, Vector3 up, Vector3 right, bool reversed)
{
int index = Vertices.Count;
Vertices.Add(corner);
Vertices.Add(corner + up);
Vertices.Add(corner + up + right);
Vertices.Add(corner + right);
SetTextureAtlasUv();
if (reversed)
{
Indices.Add(index + 0);
Indices.Add(index + 1);
Indices.Add(index + 2);
Indices.Add(index + 2);
Indices.Add(index + 3);
Indices.Add(index + 0);
}
else
{
Indices.Add(index + 1);
Indices.Add(index + 0);
Indices.Add(index + 2);
Indices.Add(index + 3);
Indices.Add(index + 2);
Indices.Add(index + 0);
}
}
private int GetVertex(string[] faceVertex)
{
int vertexIndex = int.Parse(faceVertex[0]);
if (vertexIndex < 0)
{
Indices.Add(Indices[Indices.Count + vertexIndex]);
}
Vector3 position = _vertices[vertexIndex - 1];
int existingIndex;
if (_vertexMap.TryGetValue(position, out existingIndex))
{
Indices.Add(existingIndex);
return(existingIndex);
}
int newIndex = Vertices.Count;
Vertices.Add(position);
_vertexMap.Add(position, newIndex);
Indices.Add(newIndex);
return(newIndex);
}
public Face(int index1, int index2, int index3)
: this()
{
Indices.Add(index1);
Indices.Add(index2);
Indices.Add(index3);
}
private void SetSouth()
{
Vector2 posTexture = Block.GetTextureCord(BlockSide.South);
Vertices[8].Position = new Vector3(-0.5f, 0.5f, 0.5f);
Vertices[8].TextureCoordinate.X = posTexture.X * div;
Vertices[8].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Vertices[9].Position = new Vector3(0.5f, 0.5f, 0.5f);
Vertices[9].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[9].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Vertices[10].Position = new Vector3(0.5f, -0.5f, 0.5f);
Vertices[10].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[10].TextureCoordinate.Y = posTexture.Y * div;
Vertices[11].Position = new Vector3(-0.5f, -0.5f, 0.5f);
Vertices[11].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[11].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Indices.Add((short)(count + 0));
Indices.Add((short)(count + 1));
Indices.Add((short)(count + 2));
Indices.Add((short)(count + 0));
Indices.Add((short)(count + 2));
Indices.Add((short)(count + 3));
count = (short)(count + 4);
}
private void SetUpBotton()
{
Vector2 posTexture = Block.GetTextureCord(BlockSide.Botton);
Vertices[4].Position = new Vector3(-0.5f, -0.5f, 0.5f);
Vertices[4].TextureCoordinate.X = posTexture.X * div;
Vertices[4].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Vertices[5].Position = new Vector3(0.5f, -0.5f, 0.5f);
Vertices[5].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[5].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Vertices[6].Position = new Vector3(0.5f, -0.5f, -0.5f);
Vertices[6].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[6].TextureCoordinate.Y = posTexture.Y * div;
Vertices[7].Position = new Vector3(-0.5f, -0.5f, -0.5f);
Vertices[7].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[7].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Indices.Add((short)(count + 0));
Indices.Add((short)(count + 1));
Indices.Add((short)(count + 2));
Indices.Add((short)(count + 0));
Indices.Add((short)(count + 2));
Indices.Add((short)(count + 3));
count = (short)(count + 4);
}
private void SetEast()
{
Vector2 posTexture = Block.GetTextureCord(BlockSide.East);
Vertices[20].Position = new Vector3(-0.5f, 0.5f, -0.5f);
Vertices[20].TextureCoordinate.X = posTexture.X * div;
Vertices[20].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Vertices[21].Position = new Vector3(-0.5f, 0.5f, 0.5f);
Vertices[21].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[21].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Vertices[22].Position = new Vector3(-0.5f, -0.5f, 0.5f);
Vertices[22].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[22].TextureCoordinate.Y = posTexture.Y * div;
Vertices[23].Position = new Vector3(-0.5f, -0.5f, -0.5f);
Vertices[23].TextureCoordinate.X = (posTexture.X + 1) * div;
Vertices[23].TextureCoordinate.Y = (posTexture.Y + 1) * div;
Indices.Add((short)(count + 0));
Indices.Add((short)(count + 1));
Indices.Add((short)(count + 2));
Indices.Add((short)(count + 0));
Indices.Add((short)(count + 2));
Indices.Add((short)(count + 3));
count = (short)(count + 4);
}
// for trajectories, time series
public ViewBuilder createIndicesConnectedLineTopology(float[] linkingField)
{
//the first member of the Tuple is the index in the index buffer,
// the second member is the index in the Vertex Buffer.
List<Tuple<int, int>> indexToVertexIndex = new List<Tuple<int, int>>();
int count = 0;
int previousIndexCount = 0;
for (int i = 0; i < linkingField.Length - 1; i++)
{
Vector3 n = uvs[i];
n.x = (float)i;
uvs[i] = n;
if (linkingField[i] == linkingField[i + 1])
{
Indices.Add(i);
Indices.Add(i + 1);
indexToVertexIndex.Add(new Tuple<int, int>(i, i));
indexToVertexIndex.Add(new Tuple<int, int>(i + 1, i + 1));
count++;
}
else
{
LineLength.Add(count);
count = 0;
}
}
int deltaSizeLast = Indices.Count - previousIndexCount;
if (deltaSizeLast > 0) chunkSizeList.Add(deltaSizeLast);
return this;
}
/// <summary>
/// Добавление индексов треугольников.
/// </summary>
/// <param name="index0">
/// Смещение индекса.
/// </param>
/// <param name="rows">
/// The number of rows.
/// </param>
/// <param name="columns">
/// Количество строк.
/// </param>
/// <param name="isSpherical">
/// если флаг в значение true, то создатуся треугольники сверху и снизу (сферическая сетка).
/// </param>
public void AddIndices(int index0, int rows, int columns, bool isSpherical = false)
{
var face = new Face();
for (int i = 0; i < rows - 1; i++)
{
for (int j = 0; j < columns - 1; j++)
{
int ij = (i * columns) + j;
if (!isSpherical || i > 0)
{
Indices.Add(index0 + ij);
Indices.Add(index0 + ij + 1 + columns);
Indices.Add(index0 + ij + 1);
face.Indices.Add(index0 + ij);
face.Indices.Add(index0 + ij + 1);
face.Indices.Add(index0 + ij + 1 + columns);
}
if (!isSpherical || i < rows - 2)
{
Indices.Add(index0 + ij + 1 + columns);
Indices.Add(index0 + ij);
Indices.Add(index0 + ij + columns);
face.Indices.Add(index0 + ij + columns);
face.Indices.Add(index0 + ij + 1 + columns);
face.Indices.Add(index0 + ij);
}
}
}
Faces.Add(face);
}
private int GetVertex(string[] faceVertex)
{
int vertexIndex = int.Parse(faceVertex[0]);
if (vertexIndex < 0)
{
Indices.Add(Indices[Indices.Count + vertexIndex]);
}
Vector3 position = _vertices[vertexIndex - 1];
// Search for a duplicate
for (int i = 0; i < Vertices.Count; i++)
{
if (Vertices[i].Equals(position))
{
Indices.Add(i);
return(i);
}
}
int newIndex = Vertices.Count;
Vertices.Add(position);
Indices.Add(newIndex);
return(newIndex);
}
public void ClosePolyline()
{
if (!IsPolylineClosed())
{
Points.Add(new wPoint(Points[0].X, Points[0].Y, Points[0].Z));
Indices.Add(Indices.Count);
}
}
public void Process()
{
Indexing = BeginMode.Triangles;
foreach (GeometricObject geometricObj in _identity)
{
SetPolygonMode(geometricObj.Mode);
}
if (_polygonMode == GeometricObject.PolygonMode.Quadratic)
{
Indexing = BeginMode.Quads;
}
Vector polygonNormal = null;
foreach (GeometricObject geometricObj in _identity)
{
foreach (Polygon polygon in geometricObj.Polygons)
{
if (_normalPackage == null)
{
polygonNormal = polygon.GetNormalVec();
}
foreach (Coordinate coord in polygon.EdgeCoords)
{
int vertexIndex = _vertices.FindIndex(vertex => vertex.Coord.Equals(coord));
if (vertexIndex != -1 && _normalPackage == null)
{
_vertices[vertexIndex].IntegrateNormalVec(polygonNormal);
}
else
{
Vertex insert;
Color4 color = ColorPackage.DefaultColor;
Vector normal = polygonNormal;
if (_colorPackage != null)
{
color = _colorPackage.ColorMap[coord];
}
if (_normalPackage != null)
{
normal = _normalPackage.NormalMap[coord];
}
insert = new Vertex(coord, color, normal, Vertex.DefaultJointIndex, Vertex.DefaultJointCoeff);
_vertices.Add(insert);
vertexIndex = _vertices.Count - 1;
}
Indices.Add((uint)vertexIndex);
}
}
}
foreach (Vertex vertex in _vertices)
{
Vertices.Add(vertex.GetVertexData());
}
BufferData();
_vertices.Clear();
_polygonMode = GeometricObject.PolygonMode.Invalid;
}
protected void AddIndex(int index)
{
if (index > int.MaxValue)
{
throw new ArgumentOutOfRangeException("index");
}
Indices.Add(index);
}
public void AddQuadIndices()
{
Indices.Add((short)(Vertices.Count - 4));
Indices.Add((short)(Vertices.Count - 2));
Indices.Add((short)(Vertices.Count - 3));
Indices.Add((short)(Vertices.Count - 4));
Indices.Add((short)(Vertices.Count - 1));
Indices.Add((short)(Vertices.Count - 2));
}
/// <summary>
/// Adds a new index to the primitive model. This should only be called during the initialization process, before
/// InitializePrimitive.
/// </summary>
protected void AddIndex(int index)
{
if (index > ushort.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
Indices.Add((ushort)index);
}
/// <summary>
/// Creates the indices for a scatter plot.
/// </summary>
/// <returns>The indices for a scatter plot.</returns>
/// <param name="numberOfPoints">Number of points.</param>
private void createIndicesScatterPlot(int numberOfPoints)
{
Indices.Clear();
Indices.Capacity = numberOfPoints;
for (int i = 0; i < numberOfPoints; i++)
{
Indices.Add(i);
}
}
/// <summary>
/// Добавление грани куба.
/// </summary>
/// <param name="center">
/// Центр Куба.
/// </param>
/// <param name="normal">
/// Вектор нормали для грани.
/// </param>
/// <param name="up">
/// Вектор вверх для грани.
/// </param>
/// <param name="dist">
/// Расстояние от центра куба до грани.
/// </param>
/// <param name="width">
/// Ширина грани.
/// </param>
/// <param name="height">
/// Высота грани.
/// </param>
void AddCubeFace(Vector3 center, Vector3 normal, Vector3 up, float dist, float width, float height)
{
var right = Vector3.Cross(normal, up);
var n = normal * dist / 2;
up *= height / 2;
right *= width / 2;
var p1 = center + n - up - right;
var p2 = center + n - up + right;
var p3 = center + n + up + right;
var p4 = center + n + up - right;
int i0 = Positions.Count;
Positions.Add(p1);
Positions.Add(p2);
Positions.Add(p3);
Positions.Add(p4);
if (Normals != null)
{
Normals.Add(normal);
Normals.Add(normal);
Normals.Add(normal);
Normals.Add(normal);
}
Indices.Add(i0 + 2);
Indices.Add(i0 + 1);
Indices.Add(i0 + 0);
Indices.Add(i0 + 0);
Indices.Add(i0 + 3);
Indices.Add(i0 + 2);
// добавление граней
var face = new Face();
face.Indices.Add(i0 + 2);
face.Indices.Add(i0 + 1);
face.Indices.Add(i0 + 0);
face.Indices.Add(i0 + 0);
face.Indices.Add(i0 + 3);
face.Indices.Add(i0 + 2);
Faces.Add(face);
// добавление ребер к граням
var edge = new Edge();
AddLine(edge, i0 + 0, i0 + 1);
AddLine(edge, i0 + 1, i0 + 2);
AddLine(edge, i0 + 2, i0 + 3);
AddLine(edge, i0 + 3, i0 + 0);
//AddLine(edge, i0 + 2, i0 + 1);
face.Edges.Add(edge);
}
public void Generate()
{
Float3 center = new();
Float3 vertex = new();
Float3 normal = new();
// generate vertices, normals and uvs
for (int j = 0; j <= radialSegments; j++)
{
for (int i = 0; i <= tubularSegments; i++)
{
double u = (double)i / tubularSegments * arc;
double v = (double)j / radialSegments * Math.PI * 2;
// vertex
vertex.X = (float)((radius + tube * Math.Cos(v)) * Math.Cos(u));
vertex.Y = (float)((radius + tube * Math.Cos(v)) * Math.Sin(u));
vertex.Z = (float)(tube * Math.Sin(v));
Positions.Add(vertex);
// normal
center.X = (float)(radius * Math.Cos(u));
center.Y = (float)(radius * Math.Sin(u));
normal = vertex - center;
Normals.Add(normal.Normalize);
// uv
TextureCoordinates.Add(new((float)i / tubularSegments, (float)j / radialSegments, 0.0f));
}
}
for (int j = 1; j <= radialSegments; j++)
{
for (int i = 1; i <= tubularSegments; i++)
{
// indices
int a = (tubularSegments + 1) * j + i - 1;
int b = (tubularSegments + 1) * (j - 1) + i - 1;
int c = (tubularSegments + 1) * (j - 1) + i;
int d = (tubularSegments + 1) * j + i;
// faces
Indices.Add(d);
Indices.Add(b);
Indices.Add(a);
Indices.Add(d);
Indices.Add(c);
Indices.Add(b);
}
}
}
/// <summary>
/// 当前实体数据变成两倍，使单面实体变成双面实体。
/// </summary>
public void MakeDoubleSided()
{
((List <XYZ>)Points).Capacity = Points.Count * 2;
((List <XYZ>)Normals).Capacity = this.Normals.Count * 2;
((List <UV>)Uvs).Capacity = this.Uvs.Count * 2;
((List <int>)Indices).Capacity = this.Indices.Count * 2;
int count = Points.Count;
for (int i = 0; i < count; i++)
{
Points.Add(Points[i]);
}
int count2 = Normals.Count;
for (int j = 0; j < count2; j++)
{
Normals.Add(Normals[j]);
}
int count3 = Uvs.Count;
for (int k = 0; k < count3; k++)
{
Uvs.Add(Uvs[k]);
}
for (int l = 0; l < count2; l++)
{
Normals[l].Negate();
}
int count4 = Indices.Count;
for (int m = 0; m < count4; m++)
{
Indices.Add(Indices[m]);
}
int value = 0;
for (int n = 0; n < count4; n++)
{
int num = n % 3;
if (num != 1)
{
if (num == 2)
{
Indices[n] = value;
}
}
else
{
value = Indices[n];
Indices[n] = Indices[n + 1];
}
}
}
public wPolyline(List <wPoint> PointSet, bool IsCurveClosed)
{
Points = PointSet;
Indices = Enumerable.Range(0, Points.Count).ToList();
IsClosed = IsCurveClosed;
if (IsClosed)
{
Indices.Add(0);
}
IsSingle = false;
}
public multilingual_unicode_string_list(CacheBase Cache, int Address)
{
EndianReader Reader = Cache.Reader;
Reader.SeekTo(Address);
Reader.SeekTo(Address + 32);
for (int i = 0; i < 12; i++)
{
Indices.Add(Reader.ReadUInt16());
Lengths.Add(Reader.ReadUInt16());
}
}
public override void Update()
{
//Clear
Positions.Clear();
Indices.Clear();
Normals.Clear();
if (points.Count % 2 != 0)
{
throw new InvalidOperationException("The number of points should be even.");
}
var p10 = p1 - p0;
var axisY = Vector3.Cross(axisX, p10);
axisY.Normalize();
axisX.Normalize();
int index0 = Positions.Count;
for (int i = 0; i < points.Count; i++)
{
var p = points[i];
var d = (axisX * p.X) + (axisY * p.Y);
Positions.Add(p0 + d);
Positions.Add(p1 + d);
if (Normals != null)
{
d.Normalize();
Normals.Add(d);
Normals.Add(d);
}
}
int n = points.Count - 1;
for (int i = 0; i < n; i++)
{
int i0 = index0 + (i * 2);
int i1 = i0 + 1;
int i2 = i0 + 3;
int i3 = i0 + 2;
Indices.Add(i0);
Indices.Add(i1);
Indices.Add(i2);
Indices.Add(i2);
Indices.Add(i3);
Indices.Add(i0);
}
}
private void ClosePolygon()
{
int count = Points.Count;
if (count < MIN_POINTS)
{
return;
}
Points.RemoveAt(count - 1);
Indices.Add(count - 2);
Indices.Add(0);
}
public void AddPolygon(Polygon polygon, List <VertexPositionNormalTexture> vertices, uint surfaceID, List <VertexPositionNormalTextures> outVertices, Dictionary <VertexPositionNormalTextures, short> vertexTable, int textureIdx)
{
foreach (var idx in polygon.Indices)
{
var v = new VertexPositionNormalTextures(vertices[idx].Position, vertices[idx].Normal, vertices[idx].TextureCoordinate, textureIdx);
if (!vertexTable.TryGetValue(v, out var existingIdx))
{
existingIdx = (short)outVertices.Count;
vertexTable.Add(v, existingIdx);
outVertices.Add(v);
}
Indices.Add(existingIdx);
}
}
public void Add(ITriangleMesh mesh, bool weldVerticesBruteForce)
{
var triangleMesh = mesh as TriangleMesh;
if (triangleMesh != null && !weldVerticesBruteForce)
{
// Special: mesh is TriangleMesh and no welding.
if (triangleMesh.Vertices == null)
{
return;
}
if (triangleMesh.Indices == null)
{
return;
}
if (Vertices == null)
{
Vertices = new List <Vector3>(triangleMesh.Vertices.Count);
}
int numberOfNewIndices = triangleMesh.Indices.Count;
if (Indices == null)
{
Indices = new List <int>(numberOfNewIndices);
}
// Add new vertices.
int oldNumberOfVertices = Vertices.Count;
Vertices.AddRange(triangleMesh.Vertices);
// Add new indices. Add offset to all indices.
for (int i = 0; i < numberOfNewIndices; i++)
{
Indices.Add(triangleMesh.Indices[i] + oldNumberOfVertices);
}
return;
}
int numberOfTriangles = mesh.NumberOfTriangles;
for (int i = 0; i < numberOfTriangles; i++)
{
Add(mesh.GetTriangle(i), weldVerticesBruteForce);
}
}
public ViewBuilder createIndicesLinkedTopology(float[] linkingField, float[] orderField)
{
//the first member of the Tuple is the index in the index buffer,
// the second member is the index in the Vertex Buffer.
// Create new list of pairs where Item1 is the linking field, Item2 is the order field
List<Tuple<float, float>> pairs = new List<Tuple<float, float>>();
for (int i = 0; i < linkingField.Length; i++)
{
pairs.Add(new Tuple<float, float>(linkingField[i], orderField[i]));
}
var sort = pairs.Select((value, index) => new {value, index}).OrderBy(x => x.value.Item1).ThenBy(x => x.value.Item2).ToList();
//float[] sortedLinkingField = sort.Select(x => x.value.Item1).ToArray();
//int[] sortedIndices = sort.Select(x => x.index).ToArray();
List<Tuple<int, int>> indexToVertexIndex = new List<Tuple<int, int>>();
int count = 0;
int previousIndexCount = 0;
for (int i = 0; i < sort.Count - 1; i++)
{
Vector3 n = uvs[i];
n.x = (float)i;
uvs[i] = n;
if (sort[i].value.Item1 == sort[i + 1].value.Item1)
{
Indices.Add(sort[i].index);
Indices.Add(sort[i + 1].index);
indexToVertexIndex.Add(new Tuple<int, int>(sort[i].index, sort[i].index));
indexToVertexIndex.Add(new Tuple<int, int>(sort[i + 1].index + 1, sort[i + 1].index + 1));
count++;
}
else
{
LineLength.Add(count);
count = 0;
}
}
int deltaSizeLast = Indices.Count - previousIndexCount;
if (deltaSizeLast > 0) chunkSizeList.Add(deltaSizeLast);
return this;
}
public void Load()
{
Foam = TextureFactory.Create(Utils.Utils.GetImageResource <ITerrain>("Landscape.Terrains.foam.jpg"), TextureWrapMode.Repeat);
LoadWaveNumbersModerate();
DataTexture.LoadData(SizedInternalFormat.Rgba16f, WaveNumbers);
Texture3 = Foam;
Texture4 = DataTexture;
Texture5 = TextureFactory.Create(Utils.Utils.GetImageResource <ITerrain>("Landscape.Terrains.IKT4l.jpg"), TextureWrapMode.Repeat);
for (int i = 0; i < Width; i += 1)
{
for (int j = 0; j < Height; j += 1)
{
Vertices[i + j * Width] = new Vbo
{
Position = new Vector3((float)i, (float)1, (float)j),
TexCoord = new Vector2((float)i / Width, (float)j / Height),
Normal = new Vector3(0, 1, 0),
};
}
}
for (int i = 0; i < Width - 1; i++)
{
for (int j = 0; j < Height - 1; j++)
{
Indices.Add(j * Width + i);
Indices.Add(j * Width + i + 1);
Indices.Add((j + 1) * Width + i);
Indices.Add((j + 1) * Width + i + 1);
Indices.Add((j + 1) * Width + i);
Indices.Add(j * Width + i + 1);
}
}
indice = Indices.ToArray();
Refraction = FramBufferOBjectFactory.Create(Width, Height);
Refraction.Load();
Reflection = FramBufferOBjectFactory.Create(Width, Height);
Reflection.Load();
InitWaterShader();
}
/// <summary>
/// Adds the index.
/// </summary>
/// <param name="mnemonic">The mnemonic.</param>
/// <param name="unit">The unit.</param>
/// <param name="dataType">The data type.</param>
/// <param name="increasing">if set to <c>true</c> if data is incresting, false otherwise.</param>
/// <param name="isTimeIndex">if set to <c>true</c> if index is time, false otherwise.</param>
/// <param name="nullValue">The null value.</param>
public void AddIndex(string mnemonic, string unit, string dataType, bool increasing, bool isTimeIndex, string nullValue = null)
{
if (Indices.Any(x => x.Mnemonic.EqualsIgnoreCase(mnemonic)))
{
return;
}
Indices.Add(new ChannelIndexInfo()
{
Mnemonic = mnemonic,
Increasing = increasing,
IsTimeIndex = isTimeIndex,
Unit = unit,
DataType = dataType,
NullValue = nullValue
});
}
private void GenerateIndices()
{
Indices.Clear();
for (int i = 0; i < (Width - 1); i++)
{
for (int j = 0; j < (Height - 1); j++)
{
Indices.Add(i * Width + j);
Indices.Add(i * Width + j + 1);
Indices.Add((i + 1) * Width + j);
Indices.Add((i + 1) * Width + j + 1);
Indices.Add((i + 1) * Width + j);
Indices.Add(i * Width + j + 1);
}
}
}
void ProcessLine(string line)
{
if (line.Length == 0)
{
return;
}
string[] parts = line.Split(_lineSplitChars, StringSplitOptions.RemoveEmptyEntries);
string command = parts[0];
switch (command)
{
case "v":
_vertices.Add(ToVector3(parts[1], parts[2], parts[3]));
break;
case "vn":
Normals.Add(ToVector3(parts[1], parts[2], parts[3]));
break;
case "vt":
//Texels.Add(ToVector2(parts[1], parts[2]));
break;
case "f":
int numVertices = parts.Length - 1;
if (numVertices < 3 || numVertices > 4)
{
break;
}
int[] face = new int[numVertices];
face[0] = GetVertex(parts[1].Split(_faceSplitSchars, StringSplitOptions.RemoveEmptyEntries));
face[1] = GetVertex(parts[2].Split(_faceSplitSchars, StringSplitOptions.RemoveEmptyEntries));
face[2] = GetVertex(parts[3].Split(_faceSplitSchars, StringSplitOptions.RemoveEmptyEntries));
if (numVertices == 4)
{
Indices.Add(face[0]);
Indices.Add(face[2]);
face[3] = GetVertex(parts[4].Split(_faceSplitSchars, StringSplitOptions.RemoveEmptyEntries));
}
break;
}
}
private void GenerateIndexes(int x, int y, int z)
{
if (Cells[x, y, z] == null)
{
return;
}
int[] edge_indexes = { 0, 3, 8 };
for (int i = 0; i < 3; i++)
{
Edge e = Cells[x, y, z].Edges[edge_indexes[i]];
bool flipped = e.ValueA < 0;
if (e.Vertices.Count > 3)
{
if (!UseFlatShading)
{
Indices.Add(e.Vertices[2].Index);
Indices.Add(e.Vertices[0].Index);
Indices.Add(e.Vertices[1].Index);
Indices.Add(e.Vertices[1].Index);
Indices.Add(e.Vertices[3].Index);
Indices.Add(e.Vertices[2].Index);
}
else
{
AddFlatTriangle(flipped, e.Vertices[0].Index, e.Vertices[1].Index, e.Vertices[2].Index, e.Vertices[3].Index);
}
}
else if (e.Vertices.Count == 3)
{
if (!UseFlatShading)
{
Indices.Add(e.Vertices[0].Index);
Indices.Add(e.Vertices[1].Index);
Indices.Add(e.Vertices[2].Index);
}
else
{
AddFlatTriangle(flipped, e.Vertices[0].Index, e.Vertices[1].Index, e.Vertices[2].Index);
}
}
}
}
