//------------------------------------------------------------------------------------------------
private void frmSec_Load(object sender, EventArgs e)
{
this.MouseWheel += new MouseEventHandler(this.frmSec_MouseWheel);
OpenFileDialog ofg = new OpenFileDialog();
ofg.Title = "Load .sec";
ofg.Filter = "Sec files (*.sec)|*.sec";
ofg.FilterIndex = 0;
ofg.RestoreDirectory = true;
if (ofg.ShowDialog() == DialogResult.OK)
{
geo = new GeoTopology(ofg.FileName);
display = new DisplayTopology(geo);
pf = new PathFinder(display);
GenerateSketch();
w = null;
s = d = null;
}
else
{
Close();
}
Activate(); //很有效！
}
//===============================================================================================
public PathFinder(DisplayTopology topology)
{
topo = topology;
polys = topo.polys;
open = new WorkList();
close = new WorkList();
}
public LOS(DisplayTopology topo)
{
this.topo = topo;
ret = new ReturnInfo();
}
//------------------------------------------------------------------------------------------------
private void frmSec_KeyPress(object sender, KeyPressEventArgs e)
{
switch (e.KeyChar)
{
case 'z':
if (zoom + 0.25 <= 16)
{
zoom += 0.25F;
}
break;
case 'x':
if (zoom - 0.25 > 0.5)
{
zoom -= 0.25F;
}
break;
case 'd':
show_idx = !show_idx;
break;
case 'g':
show_grids = !show_grids;
Refresh();
return;
case 'f':
case (char)13:
full_screen = !full_screen;
if (full_screen)
{
WindowState = FormWindowState.Normal;
FormBorderStyle = FormBorderStyle.None;
WindowState = FormWindowState.Maximized;
}
else
{
FormBorderStyle = FormBorderStyle.Sizable;
WindowState = FormWindowState.Normal;
}
UpdateMapping(); //更新映射!
Refresh();
return;
case '.':
selected = (selected + 1) % display.num_polys;
Refresh();
return;
case ',':
if (selected == -1)
{
selected = display.num_polys - 1;
}
else
{
selected = (selected - 1) + display.num_polys;
selected %= display.num_polys;
}
Refresh();
return;
case 'q':
case (char)27:
Close();
return;
case 'l':
OpenFileDialog ofg = new OpenFileDialog();
ofg.Title = "Load .sec";
ofg.Filter = "Sec files (*.sec)|*.sec";
ofg.FilterIndex = 0;
ofg.RestoreDirectory = true;
if (ofg.ShowDialog() == DialogResult.OK)
{
geo = new GeoTopology(ofg.FileName);
display = new DisplayTopology(geo);
pf = new PathFinder(display);
selected = -1;
zoom = 3.5F;
GenerateSketch();
w = null;
s = d = null;
Refresh();
}
return;
case 's':
SaveFileDialog sfg = new SaveFileDialog();
sfg.Title = "Save to PNG";
sfg.Filter = "PNG files (*.png)|*.png";
sfg.FilterIndex = 0;
sfg.RestoreDirectory = true;
if (sfg.ShowDialog() == DialogResult.OK)
{
bmp.Save(sfg.FileName, ImageFormat.Png);
}
return;
case 'm':
SaveFileDialog msfg = new SaveFileDialog();
msfg.Title = "Save to EMF";
msfg.Filter = "EMF files (*.emf)|*.emf";
msfg.FilterIndex = 0;
msfg.RestoreDirectory = true;
if (msfg.ShowDialog() == DialogResult.OK)
{
using (Graphics refg = this.CreateGraphics())
using (Metafile meta = new Metafile(msfg.FileName, refg.GetHdc(), EmfType.EmfPlusDual)) //如果用EmfType.EmfPlusOnly则尺寸骤减，但不便控制尺寸
using (Graphics g = Graphics.FromImage(meta))
{
Matrix2D trans = new Matrix2D(1, 0, 0, -1, 0, display.maxy); //Y翻转
trans.Scale(1 / zoom, 1 / zoom, MatrixOrder.Append);
display.DrawSketch(g, 1 / zoom, show_idx, colored);
if (show_grids)
{
display.DisplayGrids(g, trans, 1 / zoom);
}
display.DisplaySelectedPolygon(g, trans, selected);
if (w != null)
{
display.DisplayWaypoints(g, trans, w);
}
}
}
return;
case 't':
w = pf.PathFinding(s, d);
Refresh();
return;
case 'r':
delta.X = delta.Y = 0;
UpdateMapping();
Refresh();
return;
case 'c':
colored = !colored;
break;
case 'o':
LOS lost = new LOS(display);
if (s == null || d == null)
{
return;
}
//FPoint st = display.polys[246].borders[0].from;
//Vector2 n = lost.GetV2(st, d);
//Vector2 n=lost.GetV2FromBorder(display.polys[254].borders[1]);
//Vector2 n = new Vector2(0, 1);
//n.Normalize();
lost.LOS_Engine(s, d);
//lost.LOS_Engine(st, n);
losw = lost.lfp;
Refresh();
return;
default:
return;
}
if (geo != null)
{
GenerateSketch();
Refresh();
}
}