void SaveEdgeLayer(FileStream fs, EdgeLayer edgeLayer)
{
writer.Write("Edge Layer");
writer.Write(edgeLayer.Count);
foreach (EdgeTree tree in edgeLayer.EdgeTreeList)
{
List<Edge> list = new List<Edge>();
//TravelEdge(tree.Root, list);
list.Add(tree.Root);
// 宽度搜索
while (list.Count != 0)
{
Edge edge = list[0];
list.RemoveAt(0);
SaveEdge(edge);
if (edge.LeftChild != null && edge.RightChild != null)
{
list.Add(edge.LeftChild);
list.Add(edge.RightChild);
}
else
{
writer.Write(-1);
writer.Write(-1);
}
}
}
}
VertexLayer vertexLayer; /// 点层
#endregion Fields
#region Constructors
public CloverController()
{
faceLayer = new FaceLayer(this);
edgeLayer = new EdgeLayer(this);
vertexLayer = new VertexLayer(this);
//paper = new Paper("paper");
}
public int SaveFile(string filename, FaceLayer faceLayer, EdgeLayer edgeLayer, VertexLayer vertexLayer, ShadowSystem shadowSystem)
{
FileStream fs = new FileStream(filename, FileMode.Create);
writer = new BinaryWriter(fs);
// 魔数，用于表示这个文件是一个Clover文件
writer.Write(201203100);
ReAllocateVertexID(vertexLayer);
SaveVertexLayer(fs, vertexLayer);
SaveEdgeLayer(fs, edgeLayer);
SaveFaceLayer(fs, faceLayer);
SaveShadowSystem(fs, shadowSystem);
fs.Close();
return 0;
}
public void LoadFile(string filename)
{
fs = new FileStream(filename, FileMode.Open);
reader = new BinaryReader(fs);
int magicNumber = reader.ReadInt32();
vertexIDDict = new Dictionary<int, Vertex>();
edgeIDDict = new Dictionary<int, Edge>();
faceIDDict = new Dictionary<int, Face>();
vertexLayer = new VertexLayer();
edgeLayer = new EdgeLayer();
faceLayer = new FaceLayer();
shadowSystem = new ShadowSystem();
Clover();
faceLayer.UpdateLeaves();
fs.Close();
}
public void LoadFile(string filename)
{
fileLoader.LoadFromFile(filename);
// 重置所有的数据结构
faceLayer = fileLoader.FaceLayer;
edgeLayer = fileLoader.EdgeLayer;
vertexLayer = fileLoader.VertexLayer;
shadowSystem = fileLoader.ShadowSystem;
renderController.DeleteAll();
//renderController.RedrawFoldLine();
foreach (Face face in faceLayer.Leaves)
{
renderController.New(face);
}
}
/// <summary>
/// 根据给定的长和宽初始化纸张
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
public void Initialize(float width, float height)
{
Vertex.Vertex_count = 0;
Face.Face_count = 0;
Edge.Edge_count = 0;
faceLayer = new FaceLayer();
edgeLayer = new EdgeLayer();
vertexLayer = new VertexLayer();
// Create 4 original vertices
Vertex[] vertices = new Vertex[4];
vertices[0] = new Vertex(-width / 2, height / 2, 0);
vertices[1] = new Vertex(-width / 2, -height / 2, 0);
vertices[2] = new Vertex(width / 2, -height / 2, 0);
vertices[3] = new Vertex(width / 2, height / 2, 0);
// 初始化纹理坐标
vertices[0].u = 0; vertices[0].v = 0;
vertices[1].u = 0; vertices[1].v = 1;
vertices[2].u = 1; vertices[2].v = 1;
vertices[3].u = 1; vertices[3].v = 0;
// add to vertex layer
foreach (Vertex v in vertices)
{
vertexLayer.InsertVertex(v);
renderController.AddVisualInfoToVertex(v);
}
// create a face
Face face = new Face(0);
// creates 4 edges
Edge[] edges = new Edge[4];
// create one face and four edges
for (int i = 0; i < 4; i++)
{
edges[i] = new Edge(vertices[i], vertices[i + 1 < 4 ? i + 1 : 0]);
EdgeTree tree = new EdgeTree(edges[i]);
edgeLayer.AddTree(tree);
face.AddEdge(edges[i]);
edges[i].Face1 = face;
}
// use root to initialize facecell tree and lookuptable
faceLayer.Initliaze(face);
face.UpdateVertices();
faceLayer.UpdateLeaves();
faceGroupLookupTable = new FaceGroupLookupTable(face);
// 此处也应该拍一张快照
SnapshotNode node = new SnapshotNode(faceLayer.Leaves);
// 为了方便revert设计，详情联系 ET
node.Type = SnapshotNodeKind.CutKind;
node.OriginVertexListCount = vertexLayer.VertexCellTable.Count;
node.OriginEdgeListCount = edgeLayer.Count;
shadowSystem.Snapshot(node);
// 调用渲染层，更新纸张
CreatePaper(face);
}