/// <summary>
/// 加载网格文件.
/// </summary>
public static void Load(string path, GeomManager geomManager, List<Vector3> borderVertices)
{
if (!string.IsNullOrEmpty(path))
{
LoadBinary(path, geomManager, borderVertices);
}
}
/// <summary>
/// 初始化网格, 起点为origin, 宽度为width, 高度为height.
/// </summary>
public DelaunayMesh(Vector3 origin, float width, float height)
{
Width = width;
Height = height;
Origin = origin;
geomManager = new GeomManager(origin, width, height);
superBorder = new List<Vector3>();
}
/// <summary>
/// 加载管理器和边框.
/// </summary>
static void LoadBinary(string path, GeomManager geomManager, List<Vector3> borderVertices)
{
FileStream fs = new FileStream(path, FileMode.Open);
BinaryReader reader = new BinaryReader(fs);
// 加载边框.
borderVertices.Clear();
int count = reader.ReadInt32();
borderVertices.Capacity = count;
for (int i = 0; i < count; ++i)
{
borderVertices.Add(reader.readVector3());
}
// 加载顶点.
Vertex.VertexIDGenerator.ReadBinary(reader);
count = reader.ReadInt32();
for (int i = 0; i < count; ++i)
{
geomManager.CreateVertex(reader);
}
// 加载边.
HalfEdge.HalfEdgeIDGenerator.ReadBinary(reader);
List<Vertex> vertices = geomManager.AllVertices;
Dictionary<int, HalfEdge> container = new Dictionary<int, HalfEdge>();
count = reader.ReadInt32();
for (int i = 0; i < count; ++i)
{
geomManager.CreateEdge(reader, vertices, container);
}
// 加载三角形.
Triangle.TriangleIDGenerator.ReadBinary(reader);
count = reader.ReadInt32();
for (int i = 0; i < count; ++i)
{
geomManager.CreateTriangle(reader, container);
}
// 加载障碍物.
Obstacle.ObstacleIDGenerator.ReadBinary(reader);
count = reader.ReadInt32();
for (int i = 0; i < count; ++i)
{
geomManager.CreateObstacle(reader, container);
}
// 加载边集.
BorderSet.BorderSetIDGenerator.ReadBinary(reader);
count = reader.ReadInt32();
for (int i = 0; i < count; ++i)
{
geomManager.CreateBorderSet(reader, container);
}
reader.Close();
fs.Close();
foreach (HalfEdge edge in container.Values)
{
geomManager.AddUnserializedEdge(edge);
}
}
/// <summary>
/// 保存管理器和边框.
/// </summary>
static void SaveBinary(string path, GeomManager geomManager, List<Vector3> borderVertices)
{
FileStream fs = new FileStream(path, FileMode.Create);
BinaryWriter writer = new BinaryWriter(fs);
// 保存边框.
writer.Write(borderVertices.Count);
borderVertices.ForEach(item => { writer.write(item); });
// 保存顶点.
Vertex.VertexIDGenerator.WriteBinary(writer);
writer.Write(geomManager.AllVertices.Count);
geomManager.AllVertices.ForEach(item => { item.WriteBinary(writer); });
// 保存边.
HalfEdge.HalfEdgeIDGenerator.WriteBinary(writer);
writer.Write(geomManager.AllEdges.Count);
geomManager.AllEdges.ForEach(item => { item.WriteBinary(writer); });
// 保存三角形.
Triangle.TriangleIDGenerator.WriteBinary(writer);
writer.Write(geomManager.AllTriangles.Count);
geomManager.AllTriangles.ForEach(item => { item.WriteBinary(writer); });
// 保存障碍物.
Obstacle.ObstacleIDGenerator.WriteBinary(writer);
writer.Write(geomManager.AllObstacles.Count);
geomManager.AllObstacles.ForEach(item => { item.WriteBinary(writer); });
// 保存边集.
BorderSet.BorderSetIDGenerator.WriteBinary(writer);
writer.Write(geomManager.AllBorderSets.Count);
geomManager.AllBorderSets.ForEach(item => { item.WriteBinary(writer); });
writer.Close();
fs.Close();
}