MetaCGOptions findPreviousReferenceCPOptions(CurvySpline spline, float tf, out CurvySplineSegment cp)
{
MetaCGOptions options;
cp = spline.TFToSegment(tf);
do
{
options = cp.GetMetadata <MetaCGOptions>(true);
if (cp.IsFirstVisibleControlPoint)
{
return(options);
}
cp = cp.PreviousSegment;
}while (cp && !options.UVEdge && !options.ExplicitU && !options.HasDifferentMaterial);
return(options);
}
MetaCGOptions findNextReferenceCPOptions(CurvySpline spline, float tf, out CurvySplineSegment cp)
{
MetaCGOptions options;
float localF;
cp = spline.TFToSegment(tf, out localF);
do
{
cp = cp.NextControlPoint;
options = cp.GetMetadata <MetaCGOptions>(true);
if (!spline.Closed && cp.IsLastVisibleControlPoint)
{
return(options);
}
}while (!options.UVEdge && !options.ExplicitU && !options.HasDifferentMaterial && !cp.IsFirstSegment);
return(options);
}
public MetaCGOptions GetNextDefined(out CurvySplineSegment cp)
{
cp = ControlPoint.NextControlPoint;
MetaCGOptions res;
while (cp)
{
res = cp.GetMetadata <MetaCGOptions>(true);
if (res.UVEdge || res.ExplicitU || res.HasDifferentMaterial)
{
return(res);
}
if (Spline.Closed && cp.IsFirstVisibleControlPoint)
{
return(null);
}
cp = cp.NextControlPoint;
}
return(null);
}
public MetaCGOptions GetPreviousDefined(out CurvySplineSegment cp)
{
if (Spline.Closed && ControlPoint.IsFirstVisibleControlPoint)
{
cp = ControlPoint;
return(this);
}
cp = ControlPoint.PreviousControlPoint;
MetaCGOptions res;
while (cp && !cp.IsLastVisibleControlPoint)
{
res = cp.GetMetadata <MetaCGOptions>(true);
if (res.UVEdge || res.ExplicitU || res.HasDifferentMaterial)
{
return(res);
}
cp = cp.PreviousControlPoint;
}
return(null);
}
/// <summary>
/// Rasterization Helper class
/// </summary>
public static List <ControlPointOption> GetControlPointsWithOptions(CGDataRequestMetaCGOptions options, CurvySpline shape, float startDist, float endDist, bool optimize, out int initialMaterialID, out float initialMaxStep)
{
var res = new List <ControlPointOption>();
initialMaterialID = 0;
initialMaxStep = float.MaxValue;
CurvySplineSegment startSeg = shape.DistanceToSegment(startDist);
float clampedEndDist = shape.ClampDistance(endDist, shape.IsClosed ? CurvyClamping.Loop : CurvyClamping.Clamp);
if (clampedEndDist == 0)
{
clampedEndDist = endDist;
}
CurvySplineSegment finishSeg = (clampedEndDist == shape.Length) ? shape.LastVisibleControlPoint : shape.DistanceToSegment(clampedEndDist);
if (endDist != shape.Length && endDist > finishSeg.Distance)
{
finishSeg = finishSeg.NextControlPoint;
}
MetaCGOptions cgOptions;
float loopOffset = 0;
if (startSeg)
{
cgOptions = startSeg.GetMetadata <MetaCGOptions>(true);
initialMaxStep = (cgOptions.MaxStepDistance == 0) ? float.MaxValue : cgOptions.MaxStepDistance;
if (options.CheckMaterialID)
{
initialMaterialID = cgOptions.MaterialID;
}
int currentMaterialID = initialMaterialID;
float maxDist = cgOptions.MaxStepDistance;
/*
* if ((options.CheckMaterialID && cgOptions.MaterialID != 0) ||
* (optimize && cgOptions.MaxStepDistance != 0))
* res.Add(new ControlPointOption(startSeg.LocalFToTF(0),
* startSeg.Distance,
* true,
* cgOptions.MaterialID,
* options.CheckHardEdges && cgOptions.HardEdge,
* initialMaxStep,
* (options.CheckExtendedUV && cgOptions.UVEdge),
* options.CheckExtendedUV && cgOptions.ExplicitU,
* cgOptions.FirstU,
* cgOptions.SecondU));
*/
var seg = startSeg.NextSegment ?? startSeg.NextControlPoint;
do
{
cgOptions = seg.GetMetadata <MetaCGOptions>(true);
if (seg.ControlPointIndex < startSeg.ControlPointIndex)
{
loopOffset = shape.Length;
}
if (options.IncludeControlPoints ||
(options.CheckHardEdges && cgOptions.HardEdge) ||
(options.CheckMaterialID && cgOptions.MaterialID != currentMaterialID) ||
(optimize && cgOptions.MaxStepDistance != maxDist) ||
(options.CheckExtendedUV && (cgOptions.UVEdge || cgOptions.ExplicitU))
)
{
bool matDiff = cgOptions.MaterialID != currentMaterialID;
maxDist = (cgOptions.MaxStepDistance == 0) ? float.MaxValue : cgOptions.MaxStepDistance;
currentMaterialID = options.CheckMaterialID ? cgOptions.MaterialID : initialMaterialID;
res.Add(new ControlPointOption(seg.LocalFToTF(0) + Mathf.FloorToInt(loopOffset / shape.Length),
seg.Distance + loopOffset,
options.IncludeControlPoints,
currentMaterialID,
options.CheckHardEdges && cgOptions.HardEdge,
cgOptions.MaxStepDistance,
(options.CheckExtendedUV && cgOptions.UVEdge) || matDiff,
options.CheckExtendedUV && cgOptions.ExplicitU,
cgOptions.FirstU,
cgOptions.SecondU));
}
seg = seg.NextSegment;
} while (seg && seg != finishSeg);
// Check UV settings of last cp (not a segment if open spline!)
if (options.CheckExtendedUV && !seg && finishSeg.IsLastVisibleControlPoint)
{
cgOptions = finishSeg.GetMetadata <MetaCGOptions>(true);
if (cgOptions.ExplicitU)
{
res.Add(new ControlPointOption(1,
finishSeg.Distance + loopOffset,
options.IncludeControlPoints,
currentMaterialID,
options.CheckHardEdges && cgOptions.HardEdge,
cgOptions.MaxStepDistance,
(options.CheckExtendedUV && cgOptions.UVEdge) || (options.CheckMaterialID && cgOptions.MaterialID != currentMaterialID),
options.CheckExtendedUV && cgOptions.ExplicitU,
cgOptions.FirstU,
cgOptions.SecondU));
}
}
}
return(res);
}
MetaCGOptions findNextReferenceCPOptions(CurvySpline spline, float tf, out CurvySplineSegment cp)
{
MetaCGOptions options;
float localF;
cp = spline.TFToSegment(tf, out localF);
do
{
cp = cp.NextControlPoint;
options = cp.GetMetadata<MetaCGOptions>(true);
if (!spline.Closed && cp.IsLastVisibleControlPoint)
return options;
}
while (!options.UVEdge && !options.ExplicitU && !options.HasDifferentMaterial && !cp.IsFirstSegment);
return options;
}
MetaCGOptions findPreviousReferenceCPOptions(CurvySpline spline, float tf, out CurvySplineSegment cp)
{
MetaCGOptions options;
cp = spline.TFToSegment(tf);
do
{
options = cp.GetMetadata<MetaCGOptions>(true);
if (cp.IsFirstVisibleControlPoint)
return options;
cp = cp.PreviousSegment;
}
while (cp && !options.UVEdge && !options.ExplicitU &&!options.HasDifferentMaterial);
return options;
}
public MetaCGOptions GetNextDefined(out CurvySplineSegment cp)
{
cp = ControlPoint.NextControlPoint;
MetaCGOptions res;
while (cp)
{
res = cp.GetMetadata<MetaCGOptions>(true);
if (res.UVEdge || res.ExplicitU || res.HasDifferentMaterial)
return res;
if (Spline.Closed && cp.IsFirstVisibleControlPoint)
return null;
cp = cp.NextControlPoint;
}
return null;
}
public MetaCGOptions GetPreviousDefined(out CurvySplineSegment cp)
{
if (Spline.Closed && ControlPoint.IsFirstVisibleControlPoint)
{
cp = ControlPoint;
return this;
}
cp = ControlPoint.PreviousControlPoint;
MetaCGOptions res;
while (cp && !cp.IsLastVisibleControlPoint)
{
res = cp.GetMetadata<MetaCGOptions>(true);
if (res.UVEdge || res.ExplicitU || res.HasDifferentMaterial)
return res;
cp = cp.PreviousControlPoint;
}
return null;
}
