internal static void DrawBlip(
Graphics gfx, ref GraphicsState basicState, Matrix initialTransform, float atdRingOffsetTranslateX, float atdRingOffsetTranslateY, float atdRingScale, int backgroundWidth,
int backgroundHeight, Color missileColor, float outerRingTop, float innerRingTop, Color scopeGreenColor, Color airborneThreatColor, Color groundThreatColor, Color searchThreatColor,
Color navalThreatColor, Color unknownThreatColor, Blip blip, InstrumentState instrumentState, Options options, Font missileWarningFont, int width, Font largeFont, Font smallFont)
{
GraphicsUtil.RestoreGraphicsState(gfx, ref basicState);
if (options.Style == AzimuthIndicator.InstrumentStyle.AdvancedThreatDisplay)
{
gfx.Transform = initialTransform;
gfx.TranslateTransform(atdRingOffsetTranslateX, atdRingOffsetTranslateY);
gfx.ScaleTransform(atdRingScale, atdRingScale);
}
//calculate position of symbols
var lethality = blip.Lethality;
var translateY = lethality > 1 ? -((2.0f - lethality) * 100.0f) * 0.95f : -((1.0f - lethality) * 100.0f) * 0.95f;
if (options.Style == AzimuthIndicator.InstrumentStyle.AdvancedThreatDisplay)
{
translateY *= 0.92f;
}
//rotate and translate symbol into place
var angle = -instrumentState.MagneticHeadingDegrees + blip.BearingDegrees;
if (instrumentState.Inverted)
{
angle = -angle;
}
//rotate the background image so that this emitter's bearing line points toward the top
gfx.TranslateTransform(backgroundWidth / 2.0f, backgroundHeight / 2.0f);
gfx.RotateTransform(angle);
gfx.TranslateTransform(-(float)backgroundWidth / 2.0f, -(float)backgroundHeight / 2.0f);
using (var missileWarningBrush = new SolidBrush(missileColor))
using (var launchLinePen = new Pen(missileColor))
{
var center = new PointF(backgroundWidth / 2.0f, backgroundHeight / 2.0f);
MissileLaunchLineRenderer.DrawMissileLaunchLine(gfx, outerRingTop, innerRingTop, center, blip, launchLinePen, angle, missileWarningBrush, options, missileWarningFont);
}
//position the emitter symbol at the correct distance from the center of the RWR, given its lethality
gfx.TranslateTransform(0, translateY);
//rotate the emitter symbol graphic so that it appears upright when background is rotated back and displayed to user
gfx.TranslateTransform(backgroundWidth / 2.0f, backgroundHeight / 2.0f);
gfx.RotateTransform(-angle);
gfx.TranslateTransform(-backgroundWidth / 2.0f, -backgroundHeight / 2.0f);
//draw the emitter symbol
var usePrimarySymbol = DateTime.UtcNow.Millisecond < 500;
var useLargeSymbol = DateTime.UtcNow.Millisecond < 500 && blip.NewDetection > 0;
var emitterColor = EmitterColorChooser.GetEmitterColor(
scopeGreenColor, missileColor, airborneThreatColor, groundThreatColor, searchThreatColor, navalThreatColor, unknownThreatColor, blip, options);
var emitterSymbolDestinationRectangle = new RectangleF((int)((backgroundWidth - width) / 2.0f), (int)((backgroundHeight - width) / 2.0f), width, width);
EmitterSymbolRenderer.DrawEmitterSymbol(blip.SymbolID, gfx, emitterSymbolDestinationRectangle, useLargeSymbol, usePrimarySymbol, emitterColor, largeFont, smallFont, width);
using (var emitterPen = new Pen(emitterColor))
{
gfx.TranslateTransform(-width / 2.0f, -width / 2.0f);
if (blip.Selected > 0)
{
SelectedThreatDiamondRenderer.DrawSelectedThreatDiamond(gfx, backgroundWidth, backgroundHeight, emitterPen, width);
}
if (blip.MissileActivity > 0 && blip.MissileLaunch == 0)
{
MissileActivitySymbolRenderer.DrawMissileActivitySymbol(gfx, backgroundWidth, backgroundHeight, emitterPen, width);
}
else if (blip.MissileActivity > 0 && blip.MissileLaunch > 0)
{
MissileLaunchSymbolRenderer.DrawMissileLaunchSymbol(gfx, backgroundWidth, backgroundHeight, emitterPen, width);
}
}
GraphicsUtil.RestoreGraphicsState(gfx, ref basicState);
}
internal static Color GetEmitterColor(
Color scopeGreenColor, Color missileColor, Color airborneThreatColor, Color groundThreatColor, Color searchThreatColor, Color navalThreatColor, Color unknownThreatColor, Blip blip,
Options options)
{
var emitterColor = scopeGreenColor;
if (options.Style == AzimuthIndicator.InstrumentStyle.AdvancedThreatDisplay)
{
var category = EmitterCategoryRetriever.GetEmitterCategory(blip.SymbolID);
switch (category)
{
case EmitterCategory.AirborneThreat:
emitterColor = airborneThreatColor;
break;
case EmitterCategory.GroundThreat:
emitterColor = groundThreatColor;
break;
case EmitterCategory.Search:
emitterColor = searchThreatColor;
break;
case EmitterCategory.Missile:
emitterColor = missileColor;
break;
case EmitterCategory.Naval:
emitterColor = navalThreatColor;
break;
case EmitterCategory.Unknown:
emitterColor = unknownThreatColor;
break;
}
}
return(emitterColor);
}