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");
}
/// <summary>
/// 重新分配顶点的id号
/// </summary>
/// <param name="vertexLayer"></param>
void ReAllocateVertexID(VertexLayer vertexLayer)
{
int vertexID = 0;
foreach (List<Vertex> vertexList in vertexLayer.VertexCellTable)
{
foreach (Vertex v in vertexList)
{
v.ID = vertexID++;
}
}
Vertex.Vertex_count = vertexID;
}
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();
}
void _VertexLayer()
{
if (!ReadHeader("Vertex Layer"))
return;
BinaryFormatter bf = new BinaryFormatter();
vertexLayer = bf.Deserialize(fs) as VertexLayer;
Debug.Assert(vertexLayer != null);
int vertex_count = reader.ReadInt32();
Vertex.Vertex_count = vertex_count;
foreach (List<Vertex> vList in vertexLayer.VertexCellTable)
{
foreach (Vertex v in vList)
{
vertexIDDict[v.ID] = v;
}
}
}
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);
}
/// <summary>
/// 保存顶点层
/// </summary>
/// <param name="fs"></param>
/// <param name="vertexLayer"></param>
void SaveVertexLayer(FileStream fs, VertexLayer vertexLayer)
{
writer.Write("Vertex Layer");
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, vertexLayer);
writer.Write(Vertex.Vertex_count);
}