public void Render(double time, float width, float height)
{
HUDData _dat = Data;
if (!UseHUD && !_dat.Paused)
{
return;
}
Program.Use();
Update(time, 0);
// GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.BlendEquation(BlendEquationMode.FuncAdd);
GL.Viewport(0, 0, (int)width, (int)height);
GL.LineWidth(1);
GL.PointSize(1);
GL.VertexAttrib1(WINDOW_TIME, time);
GL.Uniform1(WINDOW_WIDTH, width);
GL.Uniform1(WINDOW_HEIGHT, height);
GL.Uniform1(WINDOW_PAUSED, _dat.Paused && _dat.UseEffect ? 1 : 0);
GL.Uniform1(HUD_INUSE, UseHUD ? 1 : 0);
if (LastHUD is Bitmap b)
{
int w = b.Width;
int h = b.Height;
SDI.BitmapData dat = b.LockBits(new Rectangle(0, 0, w, h), SDI.ImageLockMode.ReadOnly, b.PixelFormat);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, RenderedGDIHUDTextureID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, w, h, 0, PixelFormat.Bgra, PixelType.UnsignedByte, dat.Scan0);
GL.Uniform1(_hudtex, 0);
b.UnlockBits(dat);
if (_dat.Paused && PauseScreen is HUDControl c)
{
GL.Uniform4(HUD_EXCLUDE_EFFECT, new Vector4(
(c.AbsoluteX - 1) / _dat.Width,
(c.AbsoluteY - 1) / _dat.Height,
(c.Width + 2) / _dat.Width,
(c.Height + 2) / _dat.Height
));
}
else
{
GL.Uniform4(HUD_EXCLUDE_EFFECT, Vector4.Zero);
}
_todisp?.Dispose();
_todisp = null;
}
GL.BindVertexArray(_vertexarr);
GL.DrawArrays(PrimitiveType.Triangles, 0, _vertices.Length);
GL.Disable(EnableCap.Blend);
}
public void Update(double time, double delta, float aspectratio)
{
PlayerCamera cam = Window.Camera;
Point mouse = Cursor.Position;
Data = new HUDData
{
Width = Window.ClientRectangle.Width,
Height = Window.ClientRectangle.Height,
Time = time,
Delta = delta,
Paused = Window.IsPaused,
UseEffect = Window.Scene.UsePostEffect,
HDirection = cam.HorizontalAngle,
VDirection = cam.VerticalAngle,
Position = cam.Position,
Anaglyph = cam.IsStereoscopic,
Mouse = new HUDMouseData
{
Pressed = Mouse.GetState().LeftButton == OpenTK.Input.ButtonState.Pressed,
X = mouse.X - Window.ClientRectangle.Width + Window.Width + Window.X,
Y = mouse.Y - Window.ClientRectangle.Height + Window.Height + Window.Y,
}
};
}
private void PaintHUD()
{
while (!_disposed)
{
HUDData _dat = Data;
if ((UseHUD || _dat.Paused) && ((_dat.Width > 0) || (_dat.Height > 0)))
{
Bitmap bmp = new Bitmap(_dat.Width, _dat.Height, SDI.PixelFormat.Format32bppPArgb);
using (Graphics g = Graphics.FromImage(bmp))
{
void DrawCenteredString(string s, Font f, Brush b, float x, float y)
{
SizeF sz = g.MeasureString(s, f);
g.DrawString(s, f, b, x - sz.Width / 2, y - sz.Height / 2);
}
g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
g.SmoothingMode = SmoothingMode.HighQuality;
g.CompositingMode = CompositingMode.SourceOver;
g.CompositingQuality = CompositingQuality.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBilinear;
if (UseHUD)
{
int w = bmp.Width;
int h = bmp.Height;
float w2 = w / 2f;
float h2 = h / 2f;
const int crosshairsz = 15;
const int circlesz = 40;
g.DrawLine(_penfg, w2 - crosshairsz, h2, w2 + crosshairsz, h2);
g.DrawLine(_penfg, w2, h2 - crosshairsz, w2, h2 + crosshairsz);
g.DrawEllipse(_penfg, w2 - circlesz, h2 - circlesz, circlesz * 2, circlesz * 2);
g.DrawLine(_penfg, w2 - crosshairsz - circlesz, h2, w2 - circlesz, h2);
g.DrawLine(_penfg, w2 + crosshairsz + circlesz, h2, w2 + circlesz, h2);
g.DrawLine(_penfg, w2, h2 - crosshairsz - circlesz, w2, h2 - circlesz);
g.DrawLine(_penfg, w2, h2 + crosshairsz + circlesz, w2, h2 + circlesz);
g.DrawString($"[{_dat.Position.X:F2}, {_dat.Position.Y:F2}, {_dat.Position.Z:F2}]", _fontfg, Brushes.WhiteSmoke, 20, 20);
DrawCenteredString($"{_dat.HDirection * 180 / PI:F2}°", _fontfg, Brushes.WhiteSmoke, w2, 30);
g.DrawString($"{_dat.VDirection * 90,6:F2}°", _fontfg, Brushes.WhiteSmoke, 20, h2);
const float bardist = 20;
{ // y scale
float ybar = h2 + (float)_dat.VDirection * h2;
int ybarcnt = (int)(h2 / bardist) + 1;
for (int i = -ybarcnt; i <= ybarcnt + 1; ++i)
{
float yoffs = ybar + i * bardist;
int len = Abs(i % 4) == 1 ? 20 : Abs(i % 2) == 0 ? 10 : 5;
if ((yoffs >= bardist) && (yoffs < h))
{
g.DrawLine(_penfg, 0, yoffs, len, yoffs);
g.DrawLine(_penfg, w - len, yoffs, w, yoffs);
}
}
}
{ // x scale
float xbar = w2 + (float)((_dat.HDirection % (2 * PI)) * w2 / PI);
int xbarcnt = (int)(w2 / bardist) + 1;
float xoffs = w2 + ((xbar - w2) % (bardist * 4));
for (int i = -xbarcnt; i <= xbarcnt + 1; ++i)
{
float _x = xoffs + (i * bardist);
int len = Abs(i % 4) == 1 ? 20 : Abs(i % 2) == 0 ? 10 : 5;
if (_x > bardist)
{
g.DrawLine(_penfg, _x, 0, _x, len);
g.DrawLine(_penfg, _x, h - len, _x, h);
}
}
}
//if (_dat.Anaglyph)
// g.DrawImage(Resources.anaglyph, 0, 0);
}
if (_dat.Paused)
{
bool hover = PauseScreen?.Render(g, _dat.Mouse) ?? false;
g.DrawImage(hover ? Resources.aero_hand : Resources.aero_arrow, _dat.Mouse.X - 15, _dat.Mouse.Y, 32, 32);
}
}
_todisp = LastHUD;
LastHUD = bmp;
}
else
{
Thread.Sleep(100);
}
}
}