void getRange(CurvySpline spline, CGDataRequestRasterization raster, out float startDist, out float endDist)
{
if (StartCP)
{
float l = getPathLength(spline);
startDist = StartCP.Distance + l * raster.Start;
endDist = StartCP.Distance + l * (raster.Start + raster.Length);
}
else
{
startDist = spline.Length * raster.Start;
endDist = spline.Length * (raster.Start + raster.Length);
}
}
void getRange(CurvySpline spline, CGDataRequestRasterization raster, out float startDist, out float endDist)
{
if (StartCP)
{
float l = getPathLength(spline);
startDist = StartCP.Distance + l * raster.Start;
endDist = StartCP.Distance + l * (raster.Start + raster.Length);
}
else
{
startDist = spline.Length * raster.Start;
endDist = spline.Length * (raster.Start + raster.Length);
}
}
protected CGData GetSplineData(CurvySpline spline, bool fullPath, CGDataRequestRasterization raster, CGDataRequestMetaCGOptions options)
{
if (spline == null || spline.Count == 0)
{
return(null);
}
List <ControlPointOption> optionsSegs = new List <ControlPointOption>();
int materialID = 0;
float maxStep = float.MaxValue;
var data = (fullPath) ? new CGPath() : new CGShape();
// calc start & end point (distance)
float startDist;
float endDist;
getRange(spline, raster, out startDist, out endDist);
float stepDist = (endDist - startDist) / (raster.Resolution - 1);
data.Length = endDist - startDist;
// initialize with start TF
float tf = spline.DistanceToTF(startDist);
float startTF = tf;
float endTF = (endDist > spline.Length && spline.Closed) ? spline.DistanceToTF(endDist - spline.Length) + 1 : spline.DistanceToTF(endDist);
// Set properties
data.SourceIsManaged = IsManagedResource(spline);
data.Closed = spline.Closed;
data.Seamless = spline.Closed && raster.Length == 1;
if (data.Length == 0)
{
return(data);
}
// Scan input spline and fetch a list of control points that provide special options (Hard Edge, MaterialID etc...)
if (options)
{
optionsSegs = CGUtility.GetControlPointsWithOptions(options,
spline,
startDist,
endDist,
raster.Mode == CGDataRequestRasterization.ModeEnum.Optimized,
out materialID,
out maxStep);
}
// Setup vars
List <SamplePointUData> extendedUVData = new List <SamplePointUData>();
List <Vector3> pos = new List <Vector3>();
List <float> relF = new List <float>();
List <float> sourceF = new List <float>();
List <Vector3> tan = new List <Vector3>();
List <Vector3> up = new List <Vector3>();
float curDist = startDist;
Vector3 curPos;
float curF;
Vector3 curTan = Vector3.zero;
Vector3 curUp = Vector3.zero;
List <int> softEdges = new List <int>();
int dead = 100000;
raster.Resolution = Mathf.Max(raster.Resolution, 2);
switch (raster.Mode)
{
case CGDataRequestRasterization.ModeEnum.Even:
#region --- Even ---
// we advance the spline using a fixed distance
bool dupe = false;
// we have at least one Material Group
SamplePointsMaterialGroup grp = new SamplePointsMaterialGroup(materialID);
// and at least one patch within that group
SamplePointsPatch patch = new SamplePointsPatch(0);
var clampMode = (data.Closed) ? CurvyClamping.Loop : CurvyClamping.Clamp;
while (curDist <= endDist && --dead > 0)
{
tf = spline.DistanceToTF(spline.ClampDistance(curDist, clampMode));
curPos = (UseCache) ? spline.InterpolateFast(tf) : spline.Interpolate(tf);
curF = (curDist - startDist) / data.Length;//curDist / endDist;
if (Mathf.Approximately(1, curF))
{
curF = 1;
}
pos.Add(curPos);
relF.Add(curF);
sourceF.Add(curDist / spline.Length);
if (fullPath) // add path values
{
curTan = (UseCache) ? spline.GetTangentFast(tf) : spline.GetTangent(tf, curPos);
curUp = spline.GetOrientationUpFast(tf);
tan.Add(curTan);
up.Add(curUp);
}
if (dupe) // HardEdge, IncludeCP, MaterialID changes etc. need an extra vertex
{
pos.Add(curPos);
relF.Add(curF);
sourceF.Add(curDist / spline.Length);
if (fullPath)
{
tan.Add(curTan);
up.Add(curUp);
}
dupe = false;
}
// Advance
curDist += stepDist;
// Check next Sample Point's options. If the next point would be past a CP with options
if (optionsSegs.Count > 0 && curDist >= optionsSegs[0].Distance)
{
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
{
extendedUVData.Add(new SamplePointUData(pos.Count, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
}
// clamp point at CP and maybe duplicate the next sample point
curDist = optionsSegs[0].Distance;
dupe = optionsSegs[0].HardEdge || optionsSegs[0].MaterialID != grp.MaterialID || (options.CheckExtendedUV && optionsSegs[0].UVEdge);
// end the current patch...
if (dupe)
{
patch.End = pos.Count;
grp.Patches.Add(patch);
// if MaterialID changes, we start a new MaterialGroup
if (grp.MaterialID != optionsSegs[0].MaterialID)
{
data.MaterialGroups.Add(grp);
grp = new SamplePointsMaterialGroup(optionsSegs[0].MaterialID);
}
// in any case we start a new patch
patch = new SamplePointsPatch(pos.Count + 1);
if (!optionsSegs[0].HardEdge)
{
softEdges.Add(pos.Count + 1);
}
// Extended UV
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
{
extendedUVData.Add(new SamplePointUData(pos.Count + 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
}
}
// and remove the CP from the options
optionsSegs.RemoveAt(0);
}
// Ensure last sample point position is at the desired end distance
if (curDist > endDist && curF < 1) // next loop curF will be 1
{
curDist = endDist;
}
}
if (dead <= 0)
{
Debug.LogError("[Curvy] He's dead, Jim! Deadloop in SplineInputModuleBase.GetSplineData (Even)! Please send a bug report!");
}
// store the last open patch
patch.End = pos.Count - 1;
grp.Patches.Add(patch);
// ExplicitU on last Vertex?
//if (optionsSegs.Count > 0 && optionsSegs[0].UVShift)
// extendedUVData.Add(new SamplePointUData(pos.Count - 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
// if path is closed and no hard edges involved, we need to smooth first normal
if (data.Closed && !spline[0].GetMetadata <MetaCGOptions>(true).HardEdge)
{
softEdges.Add(0);
}
data.MaterialGroups.Add(grp);
// fill data
data.SourceF = sourceF.ToArray();
data.F = relF.ToArray();
data.Position = pos.ToArray();
if (fullPath)
{
((CGPath)data).Direction = tan.ToArray();
data.Normal = up.ToArray();
}
#endregion
break;
case CGDataRequestRasterization.ModeEnum.Optimized:
#region --- Optimized ---
dupe = false;
// we have at least one Material Group
grp = new SamplePointsMaterialGroup(materialID);
// and at least one patch within that group
patch = new SamplePointsPatch(0);
float stepSizeTF = stepDist / spline.Length;
float maxAngle = raster.AngleThreshold;
float stopAt;
bool atStopPoint;
curPos = spline.Interpolate(tf);
curTan = spline.GetTangent(tf, curPos);
var addPoint = new System.Action <float>((float f) =>
{
sourceF.Add(curDist / spline.Length);
pos.Add(curPos);
relF.Add((curDist - startDist) / data.Length);
if (fullPath)
{
tan.Add(curTan);
up.Add(spline.GetOrientationUpFast(f));
}
});
while (tf < endTF && dead-- > 0)
{
addPoint(tf % 1);
// Advance
stopAt = (optionsSegs.Count > 0) ? optionsSegs[0].TF : endTF;
atStopPoint = spline.MoveByAngleExtINTERNAL(ref tf, Generator.MinDistance, maxStep, maxAngle, out curPos, out curTan, out stepDist, stopAt, data.Closed, stepSizeTF);
curDist += stepDist;
if (Mathf.Approximately(tf, endTF) || tf > endTF)
{
curDist = endDist;
endTF = (data.Closed) ? DTMath.Repeat(endTF, 1) : Mathf.Clamp01(endTF);
curPos = spline.Interpolate(endTF);
if (fullPath)
{
curTan = spline.GetTangent(endTF, curPos);
}
addPoint(endTF);
break;
}
if (atStopPoint)
{
if (optionsSegs.Count > 0)
{
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
{
extendedUVData.Add(new SamplePointUData(pos.Count, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
}
// clamp point at CP and maybe duplicate the next sample point
curDist = optionsSegs[0].Distance;
maxStep = (optionsSegs[0].MaxStepDistance);
dupe = optionsSegs[0].HardEdge || optionsSegs[0].MaterialID != grp.MaterialID || (options.CheckExtendedUV && optionsSegs[0].UVEdge);
if (dupe)
{
// end the current patch...
patch.End = pos.Count;
grp.Patches.Add(patch);
// if MaterialID changes, we start a new MaterialGroup
if (grp.MaterialID != optionsSegs[0].MaterialID)
{
data.MaterialGroups.Add(grp);
grp = new SamplePointsMaterialGroup(optionsSegs[0].MaterialID);
}
// in any case we start a new patch
patch = new SamplePointsPatch(pos.Count + 1);
if (!optionsSegs[0].HardEdge)
{
softEdges.Add(pos.Count + 1);
}
// Extended UV
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
{
extendedUVData.Add(new SamplePointUData(pos.Count + 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
}
addPoint(tf);
}
// and remove the CP from the options
optionsSegs.RemoveAt(0);
}
else
{
addPoint(tf);
break;
}
}
}
if (dead <= 0)
{
Debug.LogError("[Curvy] He's dead, Jim! Deadloop in SplineInputModuleBase.GetSplineData (Optimized)! Please send a bug report!");
}
// store the last open patch
patch.End = pos.Count - 1;
grp.Patches.Add(patch);
// ExplicitU on last Vertex?
if (optionsSegs.Count > 0 && optionsSegs[0].UVShift)
{
extendedUVData.Add(new SamplePointUData(pos.Count - 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
}
// if path is closed and no hard edges involved, we need to smooth first normal
if (data.Closed && !spline[0].GetMetadata <MetaCGOptions>(true).HardEdge)
{
softEdges.Add(0);
}
data.MaterialGroups.Add(grp);
// fill data
data.SourceF = sourceF.ToArray();
data.F = relF.ToArray();
data.Position = pos.ToArray();
data.Bounds = spline.Bounds;
if (fullPath)
{
((CGPath)data).Direction = tan.ToArray();
data.Normal = up.ToArray();
}
#endregion
break;
}
data.Map = (float[])data.F.Clone();
if (!fullPath)
{
data.RecalculateNormals(softEdges);
if (options && options.CheckExtendedUV)
{
CalculateExtendedUV(spline, startTF, endTF, extendedUVData, data);
}
}
return(data);
}
protected CGData GetSplineData(CurvySpline spline, bool fullPath, CGDataRequestRasterization raster, CGDataRequestMetaCGOptions options)
{
if (spline == null || spline.Count == 0)
return null;
List<ControlPointOption> optionsSegs = new List<ControlPointOption>();
int materialID = 0;
float maxStep = float.MaxValue;
var data = (fullPath) ? new CGPath() : new CGShape();
// calc start & end point (distance)
float startDist;
float endDist;
getRange(spline, raster, out startDist, out endDist);
float stepDist = (endDist - startDist) / (raster.Resolution - 1);
data.Length = endDist - startDist;
// initialize with start TF
float tf = spline.DistanceToTF(startDist);
float startTF = tf;
float endTF = (endDist > spline.Length && spline.Closed) ? spline.DistanceToTF(endDist - spline.Length) + 1 : spline.DistanceToTF(endDist);
// Set properties
data.SourceIsManaged = IsManagedResource(spline);
data.Closed = spline.Closed;
data.Seamless = spline.Closed && raster.Length == 1;
if (data.Length == 0)
return data;
// Scan input spline and fetch a list of control points that provide special options (Hard Edge, MaterialID etc...)
if (options)
optionsSegs = CGUtility.GetControlPointsWithOptions(options,
spline,
startDist,
endDist,
raster.Mode == CGDataRequestRasterization.ModeEnum.Optimized,
out materialID,
out maxStep);
// Setup vars
List<SamplePointUData> extendedUVData = new List<SamplePointUData>();
List<Vector3> pos = new List<Vector3>();
List<float> relF = new List<float>();
List<float> sourceF = new List<float>();
List<Vector3> tan = new List<Vector3>();
List<Vector3> up = new List<Vector3>();
float curDist = startDist;
Vector3 curPos;
float curF;
Vector3 curTan = Vector3.zero;
Vector3 curUp = Vector3.zero;
List<int> softEdges = new List<int>();
int dead = 100000;
raster.Resolution = Mathf.Max(raster.Resolution, 2);
switch (raster.Mode)
{
case CGDataRequestRasterization.ModeEnum.Even:
#region --- Even ---
// we advance the spline using a fixed distance
bool dupe = false;
// we have at least one Material Group
SamplePointsMaterialGroup grp = new SamplePointsMaterialGroup(materialID);
// and at least one patch within that group
SamplePointsPatch patch = new SamplePointsPatch(0);
var clampMode=(data.Closed) ? CurvyClamping.Loop : CurvyClamping.Clamp;
while (curDist <= endDist && --dead>0)
{
tf = spline.DistanceToTF(spline.ClampDistance(curDist, clampMode));
curPos = spline.Interpolate(tf);
curF = (curDist-startDist) / data.Length;//curDist / endDist;
if (Mathf.Approximately(1, curF))
curF = 1;
pos.Add(curPos);
relF.Add(curF);
sourceF.Add(curDist / spline.Length);
if (fullPath) // add path values
{
curTan = spline.GetTangent(tf,curPos);
curUp = spline.GetOrientationUpFast(tf);
tan.Add(curTan);
up.Add(curUp);
}
if (dupe) // HardEdge, IncludeCP, MaterialID changes etc. need an extra vertex
{
pos.Add(curPos);
relF.Add(curF);
sourceF.Add(curDist / spline.Length);
if (fullPath)
{
tan.Add(curTan);
up.Add(curUp);
}
dupe = false;
}
// Advance
curDist += stepDist;
// Check next Sample Point's options. If the next point would be past a CP with options
if (optionsSegs.Count > 0 && curDist >= optionsSegs[0].Distance)
{
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
extendedUVData.Add(new SamplePointUData(pos.Count, optionsSegs[0].UVEdge,optionsSegs[0].FirstU, optionsSegs[0].SecondU));
// clamp point at CP and maybe duplicate the next sample point
curDist = optionsSegs[0].Distance;
dupe = optionsSegs[0].HardEdge || optionsSegs[0].MaterialID != grp.MaterialID || (options.CheckExtendedUV && optionsSegs[0].UVEdge);
// end the current patch...
if (dupe)
{
patch.End = pos.Count;
grp.Patches.Add(patch);
// if MaterialID changes, we start a new MaterialGroup
if (grp.MaterialID != optionsSegs[0].MaterialID)
{
data.MaterialGroups.Add(grp);
grp = new SamplePointsMaterialGroup(optionsSegs[0].MaterialID);
}
// in any case we start a new patch
patch = new SamplePointsPatch(pos.Count + 1);
if (!optionsSegs[0].HardEdge)
softEdges.Add(pos.Count + 1);
// Extended UV
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
extendedUVData.Add(new SamplePointUData(pos.Count + 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
}
// and remove the CP from the options
optionsSegs.RemoveAt(0);
}
// Ensure last sample point position is at the desired end distance
if (curDist > endDist && curF < 1) // next loop curF will be 1
curDist = endDist;
}
if (dead<= 0)
Debug.LogError("[Curvy] He's dead, Jim! Deadloop in SplineInputModuleBase.GetSplineData (Even)! Please send a bug report!");
// store the last open patch
patch.End = pos.Count - 1;
grp.Patches.Add(patch);
// ExplicitU on last Vertex?
//if (optionsSegs.Count > 0 && optionsSegs[0].UVShift)
// extendedUVData.Add(new SamplePointUData(pos.Count - 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
// if path is closed and no hard edges involved, we need to smooth first normal
if (data.Closed && !spline[0].GetMetadata<MetaCGOptions>(true).HardEdge)
softEdges.Add(0);
data.MaterialGroups.Add(grp);
// fill data
data.SourceF = sourceF.ToArray();
data.F = relF.ToArray();
data.Position = pos.ToArray();
if (fullPath)
{
((CGPath)data).Direction = tan.ToArray();
data.Normal = up.ToArray();
}
#endregion
break;
case CGDataRequestRasterization.ModeEnum.Optimized:
#region --- Optimized ---
dupe = false;
// we have at least one Material Group
grp = new SamplePointsMaterialGroup(materialID);
// and at least one patch within that group
patch = new SamplePointsPatch(0);
float stepSizeTF = stepDist / spline.Length;
float maxAngle = raster.AngleThreshold;
float stopAt;
bool atStopPoint;
curPos = spline.Interpolate(tf);
curTan = spline.GetTangent(tf, curPos);
var addPoint = new System.Action<float>((float f) =>
{
sourceF.Add(curDist/spline.Length);
pos.Add(curPos);
relF.Add((curDist -startDist) / data.Length);
if (fullPath)
{
tan.Add(curTan);
up.Add(spline.GetOrientationUpFast(f));
}
});
while (tf < endTF && dead-- > 0)
{
addPoint(tf%1);
// Advance
stopAt = (optionsSegs.Count > 0) ? optionsSegs[0].TF : endTF;
atStopPoint = spline.MoveByAngleExtINTERNAL(ref tf, Generator.MinDistance, maxStep, maxAngle, out curPos, out curTan, out stepDist, stopAt, data.Closed,stepSizeTF);
curDist += stepDist;
if (Mathf.Approximately(tf, endTF) || tf > endTF)
{
curDist = endDist;
endTF = (data.Closed) ? DTMath.Repeat(endTF,1) : Mathf.Clamp01(endTF);
curPos = spline.Interpolate(endTF);
if (fullPath)
curTan = spline.GetTangent(endTF, curPos);
addPoint(endTF);
break;
}
if (atStopPoint)
{
if (optionsSegs.Count > 0)
{
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
extendedUVData.Add(new SamplePointUData(pos.Count, optionsSegs[0].UVEdge,optionsSegs[0].FirstU, optionsSegs[0].SecondU));
// clamp point at CP and maybe duplicate the next sample point
curDist = optionsSegs[0].Distance;
maxStep = (optionsSegs[0].MaxStepDistance);
dupe = optionsSegs[0].HardEdge || optionsSegs[0].MaterialID != grp.MaterialID || (options.CheckExtendedUV && optionsSegs[0].UVEdge);
if (dupe)
{
// end the current patch...
patch.End = pos.Count;
grp.Patches.Add(patch);
// if MaterialID changes, we start a new MaterialGroup
if (grp.MaterialID != optionsSegs[0].MaterialID)
{
data.MaterialGroups.Add(grp);
grp = new SamplePointsMaterialGroup(optionsSegs[0].MaterialID);
}
// in any case we start a new patch
patch = new SamplePointsPatch(pos.Count + 1);
if (!optionsSegs[0].HardEdge)
softEdges.Add(pos.Count + 1);
// Extended UV
if (optionsSegs[0].UVEdge || optionsSegs[0].UVShift)
extendedUVData.Add(new SamplePointUData(pos.Count+1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
addPoint(tf);
}
// and remove the CP from the options
optionsSegs.RemoveAt(0);
}
else
{
addPoint(tf);
break;
}
}
}
if (dead <= 0)
Debug.LogError("[Curvy] He's dead, Jim! Deadloop in SplineInputModuleBase.GetSplineData (Optimized)! Please send a bug report!");
// store the last open patch
patch.End = pos.Count - 1;
grp.Patches.Add(patch);
// ExplicitU on last Vertex?
if (optionsSegs.Count > 0 && optionsSegs[0].UVShift)
extendedUVData.Add(new SamplePointUData(pos.Count - 1, optionsSegs[0].UVEdge, optionsSegs[0].FirstU, optionsSegs[0].SecondU));
// if path is closed and no hard edges involved, we need to smooth first normal
if (data.Closed && !spline[0].GetMetadata<MetaCGOptions>(true).HardEdge)
softEdges.Add(0);
data.MaterialGroups.Add(grp);
// fill data
data.SourceF = sourceF.ToArray();
data.F = relF.ToArray();
data.Position = pos.ToArray();
data.Bounds = spline.Bounds;
if (fullPath)
{
((CGPath)data).Direction = tan.ToArray();
data.Normal = up.ToArray();
}
#endregion
break;
}
data.Map = (float[])data.F.Clone();
if (!fullPath)
{
data.RecalculateNormals(softEdges);
if (options && options.CheckExtendedUV)
CalculateExtendedUV(spline,startTF,endTF,extendedUVData, data);
}
return data;
}
