public override void OnStart(PartModule.StartState state)
{
base.OnStart(state);
_scale = this.Fields["tweakScale"];
_name = this.Fields["tweakName"];
_type = this.Fields["scaleTypeId"];
_scaleEdit = (UI_FloatEdit)_scale.uiControlEditor;
_nameEdit = (UI_ChooseOption)_name.uiControlEditor;
_typeEdit = (UI_ChooseOption)_type.uiControlEditor;
_typeEdit.options = ScaleType.AllScaleTypes.Select(a => a.Name).ToArray();
scaleInfo = ScaleDatabase.Lookup(part.partInfo.name);
}
public override void UpdateTechConstraints()
{
if (!HighLogic.LoadedSceneIsEditor)
return;
// ReSharper disable CompareOfFloatsByEqualityOperator
if (PPart.lengthMin == PPart.lengthMax)
Fields["length"].guiActiveEditor = false;
else
{
UI_FloatEdit lengthEdit = (UI_FloatEdit)Fields["length"].uiControlEditor;
lengthEdit.maxValue = PPart.lengthMax;
lengthEdit.minValue = PPart.lengthMin;
lengthEdit.incrementLarge = PPart.lengthLargeStep;
lengthEdit.incrementSmall = PPart.lengthSmallStep;
length = Mathf.Clamp(length, PPart.lengthMin, PPart.lengthMax);
}
UI_FloatEdit diameterEdit = (UI_FloatEdit)Fields["diameter"].uiControlEditor;
if (PPart.diameterMin == PPart.diameterMax)
Fields["diameter"].guiActiveEditor = false;
else
{
diameterEdit.maxValue = PPart.diameterMax;
diameterEdit.minValue = PPart.diameterMin;
diameterEdit.incrementLarge = PPart.diameterLargeStep;
diameterEdit.incrementSmall = PPart.diameterSmallStep;
diameter = Mathf.Clamp(diameter, PPart.diameterMin, PPart.diameterMax);
}
if (!PPart.allowCurveTweaking)
{
Fields["fillet"].guiActiveEditor = false;
diameterEdit.maxValue = PPart.diameterMax - fillet;
}
else
{
filletEdit = (UI_FloatEdit)Fields["fillet"].uiControlEditor;
filletEdit.maxValue = Mathf.Min(length, useEndDiameter ? PPart.diameterMax : diameter);
filletEdit.minValue = 0;
filletEdit.incrementLarge = PPart.diameterLargeStep;
filletEdit.incrementSmall = PPart.diameterSmallStep;
fillet = Mathf.Clamp(fillet, filletEdit.minValue, filletEdit.maxValue);
}
// ReSharper restore CompareOfFloatsByEqualityOperator
}
public override void OnStart(StartState state)
{
if (!HighLogic.LoadedSceneIsEditor)
return;
if (pPart.lengthMin == pPart.lengthMax)
Fields["length"].guiActiveEditor = false;
else
{
UI_FloatEdit lengthEdit = (UI_FloatEdit)Fields["length"].uiControlEditor;
lengthEdit.maxValue = pPart.lengthMax;
lengthEdit.minValue = pPart.lengthMin;
lengthEdit.incrementLarge = pPart.lengthLargeStep;
lengthEdit.incrementSmall = pPart.lengthSmallStep;
}
UI_FloatEdit diameterEdit = (UI_FloatEdit)Fields["diameter"].uiControlEditor;
if (pPart.diameterMin == pPart.diameterMax)
Fields["diameter"].guiActiveEditor = false;
else
{
diameterEdit.maxValue = pPart.diameterMax;
diameterEdit.minValue = useEndDiameter ? 0 : pPart.diameterMin;
diameterEdit.incrementLarge = pPart.diameterLargeStep;
diameterEdit.incrementSmall = pPart.diameterSmallStep;
}
if (!pPart.allowCurveTweaking)
{
Fields["fillet"].guiActiveEditor = false;
diameterEdit.maxValue = pPart.diameterMax - fillet;
}
else
{
filletEdit = (UI_FloatEdit)Fields["fillet"].uiControlEditor;
filletEdit.maxValue = Mathf.Min(length, useEndDiameter ? pPart.diameterMax : diameter);
filletEdit.minValue = 0;
filletEdit.incrementLarge = pPart.diameterLargeStep;
filletEdit.incrementSmall = pPart.diameterSmallStep;
}
}
protected override void UpdateShape(bool force)
{
// ReSharper disable CompareOfFloatsByEqualityOperator
if (!force && oldDiameter == diameter && oldLength == length && oldFillet == fillet)
return;
if (HighLogic.LoadedSceneIsFlight)
{
Volume = CalcVolume();
}
else if (HighLogic.LoadedSceneIsEditor)
{
if (filletEdit == null)
filletEdit = (UI_FloatEdit)Fields["fillet"].uiControlEditor;
if (length != oldLength)
{
if (length < oldLength && fillet > length)
fillet = length;
float volExcess = MaxMinVolume();
if (volExcess != 0)
{
// Again using alpha, solve the volume equation below equation for l
// v = 1/24 pi (6 d^2 l+3 (pi-4) d f^2+(10-3 pi) f^3) for l
// l = (-3 (pi-4) pi d f^2+pi (3 pi-10) f^3+24 v)/(6 pi d^2)
length = (-3f * (Pi - 4f) * Pi * diameter * pow(fillet, 2) + Pi * (3f * Pi - 10f) * pow(fillet, 3) + 24f * Volume) / (6f * Pi * pow(diameter, 2));
length = (float)Math.Round(length, 3);
// We could iterate here with the fillet and push it back up if it's been pushed down
// but it's altogether too much bother. User will just have to suck it up and not be
// so darn agressive with short lengths. I mean, seriously... :)
}
filletEdit.maxValue = Mathf.Min(length, useEndDiameter ? PPart.diameterMax : diameter);
}
else if (diameter != oldDiameter)
{
if (useEndDiameter)
{
if (diameter + fillet < PPart.diameterMin)
fillet = PPart.diameterMin - diameter;
else if (diameter + fillet > PPart.diameterMax)
fillet = PPart.diameterMax - diameter;
}
else
{
if (diameter < oldDiameter && fillet > diameter)
fillet = diameter;
}
float volExcess = MaxMinVolume();
if (volExcess != 0)
{
// Unfortunatly diameter is not as easily isolated, but its still possible.
// v = 1/24 pi (6 d^2 l+3 (pi-4) d f^2+(10-3 pi) f^3) for d
// simplify d = ((-3 pi^2 f^2+12 pi f^2) ± sqrt(3 pi) sqrt(3 pi^3 f^4-24 pi^2 f^4+48 pi f^4+24 pi^2 f^3 l-80 pi f^3 l+192 l v))/(12 pi l)
// d = (-3 (pi-4) pi f^2 ± sqrt(3 pi) sqrt(3 (pi-4)^2 pi f^4+8 pi (3 pi-10) f^3 l+192 l v)) / (12 pi l)
float t1 = -3 * (Pi - 4f) * Pi * fillet * fillet;
float t2 = sqrt(3f * Pi) * sqrt(3f * pow(Pi - 4f, 2) * Pi * pow(fillet, 4) + 8f * Pi * (3f * Pi - 10f) * pow(fillet, 3) * length + 192f * length * Volume);
float de = (12f * Pi * length);
// I'm pretty sure only the +ve value is required, but make the -ve possible too.
diameter = (t1 + t2) / de;
if (diameter < 0)
diameter = (t1 - t2) / de;
diameter = (float)Math.Round(diameter, 3);
}
filletEdit.maxValue = Mathf.Min(length, useEndDiameter ? PPart.diameterMax : diameter);
}
else if (fillet != oldFillet)
{
if (useEndDiameter)
{
// Keep diameter + fillet within range.
if (diameter + fillet < PPart.diameterMin)
diameter = PPart.diameterMin - fillet;
else if (diameter + fillet > PPart.diameterMax)
diameter = PPart.diameterMax - fillet;
}
// Will do an iterative process for finding the value.
// The equation is far too complicated plug this into alpha and you'll see what I mean:
// v = 1/24 pi (6 d^2 l+3 (pi-4) d f^2+(10-3 pi) f^3) for f
float vol = CalcVolume();
float inc;
if (vol < PPart.volumeMin)
{
Volume = PPart.volumeMin;
inc = -0.001f;
}
else if (vol > PPart.volumeMax)
{
Volume = PPart.volumeMax;
inc = 0.001f;
}
else
{
Volume = vol;
goto goldilocks;
}
float lVol;
float lFillet;
do
{
lVol = vol;
lFillet = fillet;
fillet += inc;
vol = CalcVolume();
}
while (Mathf.Abs(vol - Volume) < Mathf.Abs(lVol - Volume));
fillet = (float)Math.Round(lFillet, 3);
goldilocks: ;
}
}
LinkedList<ProfilePoint> points = new LinkedList<ProfilePoint>();
if (fillet == 0)
{
// Reduces down to a cylinder part.
points.AddLast(new ProfilePoint(diameter, -0.5f * length, 0f, new Vector2(1, 0)));
points.AddLast(new ProfilePoint(diameter, 0.5f * length, 1f, new Vector2(1, 0)));
}
else
{
float bodyLength = length - fillet;
float endDiameter = useEndDiameter ? diameter : (diameter - fillet);
float bodyDiameter = useEndDiameter ? (fillet + diameter) : diameter;
float filletLength = Mathf.PI * fillet * 0.5f;
float totLength = filletLength + bodyLength;
float s1 = filletLength * 0.5f / totLength;
CirclePoints cp = CirclePoints.ForDiameter(fillet, MaxCircleError, MinCircleVertexes);
// We need to be careful with the number of points so we don't blow the 255 point budget for colliders
CirclePoints collCp = CirclePoints.ForDiameter(fillet, MaxCircleError, 0, 12);
CirclePoints collEnds = CirclePoints.ForDiameter(endDiameter, MaxCircleError * 4f, 4, 12);
CirclePoints collBody = CirclePoints.ForDiameter(bodyDiameter, MaxCircleError * 4f, 4, 16);
points.AddLast(new ProfilePoint(endDiameter, -0.5f * length, 0f, new Vector2(0, -1), colliderCirc: collEnds));
foreach (Vector3 xzu in cp.PointsXZU(0.5f, 0.75f))
points.AddLast(new ProfilePoint(endDiameter + fillet * xzu.x, -0.5f * (bodyLength - fillet * xzu.y), s1 * Mathf.InverseLerp(0.5f, 0.75f, xzu[2]), xzu, inCollider: false));
foreach (Vector3 xzu in collCp.PointsXZU(0.5f, 0.75f))
points.AddLast(new ProfilePoint(endDiameter + fillet * xzu.x, -0.5f * (bodyLength - fillet * xzu.y), s1 * Mathf.InverseLerp(0.5f, 0.75f, xzu[2]), xzu, inRender: false, colliderCirc: collEnds));
points.AddLast(new ProfilePoint(bodyDiameter, -0.5f * bodyLength, s1, new Vector2(1, 0), colliderCirc: collBody));
if (fillet < length)
points.AddLast(new ProfilePoint(bodyDiameter, 0.5f * bodyLength, 1f - s1, new Vector2(1, 0), colliderCirc: collBody));
foreach (Vector3 xzu in cp.PointsXZU(0.75f, 1))
points.AddLast(new ProfilePoint(endDiameter + fillet * xzu.x, 0.5f * (bodyLength + fillet * xzu.y), 1f - s1 * Mathf.InverseLerp(1f, 0.75f, xzu[2]), xzu, inCollider: false));
foreach (Vector3 xzu in collCp.PointsXZU(0.75f, 1))
points.AddLast(new ProfilePoint(endDiameter + fillet * xzu.x, 0.5f * (bodyLength + fillet * xzu.y), 1f - s1 * Mathf.InverseLerp(1f, 0.75f, xzu[2]), xzu, inRender: false, colliderCirc: collEnds));
points.AddLast(new ProfilePoint(endDiameter, 0.5f * length, 1f, new Vector2(0, 1), colliderCirc: collEnds));
}
WriteMeshes(points);
oldDiameter = diameter;
oldLength = length;
oldFillet = fillet;
// ReSharper restore CompareOfFloatsByEqualityOperator
UpdateInterops();
}