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TilePainter.cpp
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TilePainter.cpp
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#include "TilePainter.h"
#include "VertexData.h"
#include "CurveInterpolation.h"
#include <stdlib.h>
#include <iostream>
TilePainter::TilePainter()
{
}
TilePainter::~TilePainter()
{
}
CornerCase TilePainter::GetCornerCase(int i, std::vector<std::vector<CCell>> cells, std::vector<AnIndex> traceList, bool isTracingDone)
{
if(traceList.size() == 1)
{
// nothing
}
else if(traceList.size() == 2)
{
CCell c1 = cells[traceList[0].x][traceList[0].y];
CCell c2 = cells[traceList[1].x][traceList[1].y];
bool changeDir = c1._directionType != c2._directionType;
if(i == 0 && changeDir ) // start ?
{ return CornerCase::COR_START; }
else if(i == 1 && changeDir) // end ?
{ return CornerCase::COR_END; }
}
else if(traceList.size() >= 3)
{
size_t curI = i;
size_t prevI = i - 1;
size_t nextI = i + 1;
if(curI == 0)
{
if(isTracingDone) prevI = traceList.size() - 2;
else prevI = traceList.size() - 1;
}
if(curI == traceList.size() - 1)
{
nextI = 0;
}
CCell prevC = cells[traceList[prevI].x][traceList[prevI].y];
CCell curC = cells[traceList[curI].x][traceList[curI].y];
CCell nextC = cells[traceList[nextI].x][traceList[nextI].y];
// new code
if(nextC._straightness != Straightness::ST_DIAGONAL &&
curC._straightness == Straightness::ST_DIAGONAL &&
prevC._straightness != Straightness::ST_DIAGONAL)
{
return CornerCase::COR_MIDDLE_STRAIGHT;
}
else if(nextC._straightness != Straightness::ST_DIAGONAL &&
curC._straightness == Straightness::ST_DIAGONAL)
{
return CornerCase::COR_START_STRAIGHT;
}
else if(prevC._straightness != Straightness::ST_DIAGONAL &&
curC._straightness == Straightness::ST_DIAGONAL)
{
return CornerCase::COR_END_STRAIGHT;
}
else if(curC._straightness != Straightness::ST_DIAGONAL)
{
return CornerCase::COR_STRAIGHT;
}
// middle
else if(curC._directionType != prevC._directionType && curC._directionType != nextC._directionType)
{
return CornerCase::COR_MIDDLE;
}
// start
else if(curC._directionType == prevC._directionType &&
curC._directionType != nextC._directionType)
{
return CornerCase::COR_START;
}
// end
else if(curC._directionType != prevC._directionType &&
curC._directionType == nextC._directionType)
{
return CornerCase::COR_END;
}
}
//std::cout << "4 ";
return CornerCase::COR_NORMAL;
}
AVector TilePainter::GetMiddlePoint(AVector a, AVector b, AVector c)
{
AVector ba = b - a;
AVector cb = c - b;
return (((ba + cb) * 0.5f) - ba) * 0.5f;
}
bool TilePainter::IsEven(int num)
{
return (num % 2) == 0;
}
std::pair<LayerType, LayerType> TilePainter::GetLayerTypes(CCell curCel, AnIndex curIdx)
{
// determine layer types (start end)
std::pair<LayerType, LayerType> lTypes;
if (curCel._directionType == DirectionType::DIR_UPRIGHT)
{
if(IsEven(curIdx.y) && IsEven(curIdx.y)) // UO
{ lTypes.first = LayerType::LAYER_UNDER; lTypes.second = LayerType::LAYER_OVER; }
else /*if(!IsEven(curIdx.x) && !IsEven(curIdx.y))*/ // OU
{ lTypes.first = LayerType::LAYER_OVER; lTypes.second = LayerType::LAYER_UNDER; }
}
else if (curCel._directionType == DirectionType::DIR_DOWNRIGHT)
{
if(!IsEven(curIdx.x) && IsEven(curIdx.y)) // UO
{ lTypes.first = LayerType::LAYER_UNDER; lTypes.second = LayerType::LAYER_OVER; }
else /*if(IsEven(curIdx.x) && !IsEven(curIdx.y))*/ // OU
{ lTypes.first = LayerType::LAYER_OVER; lTypes.second = LayerType::LAYER_UNDER; }
}
else if (curCel._directionType == DirectionType::DIR_DOWNLEFT)
{
if(IsEven(curIdx.y) && IsEven(curIdx.y)) // OU
{ lTypes.first = LayerType::LAYER_OVER; lTypes.second = LayerType::LAYER_UNDER; }
else /*if(!IsEven(curIdx.x) && !IsEven(curIdx.y))*/ // UO
{ lTypes.first = LayerType::LAYER_UNDER; lTypes.second = LayerType::LAYER_OVER; }
}
else if (curCel._directionType == DirectionType::DIR_UPLEFT)
{
if(!IsEven(curIdx.x) && IsEven(curIdx.y)) // OU
{ lTypes.first = LayerType::LAYER_OVER; lTypes.second = LayerType::LAYER_UNDER; }
else /*if(IsEven(curIdx.x) && !IsEven(curIdx.y))*/ // UO
{ lTypes.first = LayerType::LAYER_UNDER; lTypes.second = LayerType::LAYER_OVER; }
}
return lTypes;
}
ALine TilePainter::GetLineInACell(CCell curCel, float gridSpacing, AnIndex curIdx)
{
float halfGridSpacing = gridSpacing * 0.5f;
ALine ln;
if (curCel._directionType == DirectionType::DIR_UPRIGHT)
{ ln = ALine(curIdx.x * gridSpacing, (curIdx.y + 1) * gridSpacing,
(curIdx.x + 1) * gridSpacing, curIdx.y * gridSpacing); }
else if (curCel._directionType == DirectionType::DIR_DOWNRIGHT)
{ ln = ALine(curIdx.x * gridSpacing, curIdx.y * gridSpacing,
(curIdx.x + 1) * gridSpacing, (curIdx.y + 1) * gridSpacing); }
else if (curCel._directionType == DirectionType::DIR_DOWNLEFT)
{ ln = ALine((curIdx.x + 1) * gridSpacing, curIdx.y * gridSpacing,
curIdx.x * gridSpacing, (curIdx.y + 1) * gridSpacing); }
else if (curCel._directionType == DirectionType::DIR_UPLEFT)
{ ln = ALine((curIdx.x + 1) * gridSpacing, (curIdx.y + 1) * gridSpacing,
curIdx.x * gridSpacing, curIdx.y * gridSpacing); }
else if (curCel._directionType == DirectionType::DIR_RIGHT)
{
ln = ALine((curIdx.x) * gridSpacing,
(curIdx.y) * gridSpacing + halfGridSpacing,
(curIdx.x + 1) * gridSpacing,
(curIdx.y) * gridSpacing + halfGridSpacing);
}
else if (curCel._directionType == DirectionType::DIR_LEFT)
{
ln = ALine((curIdx.x + 1) * gridSpacing,
(curIdx.y) * gridSpacing + halfGridSpacing,
(curIdx.x) * gridSpacing,
(curIdx.y) * gridSpacing + halfGridSpacing);
}
else if (curCel._directionType == DirectionType::DIR_UP)
{
ln = ALine((curIdx.x) * gridSpacing + halfGridSpacing,
(curIdx.y + 1) * gridSpacing,
(curIdx.x) * gridSpacing + halfGridSpacing,
(curIdx.y) * gridSpacing);
}
else if (curCel._directionType == DirectionType::DIR_DOWN)
{
ln = ALine((curIdx.x) * gridSpacing + halfGridSpacing,
(curIdx.y) * gridSpacing,
(curIdx.x) * gridSpacing + halfGridSpacing,
(curIdx.y + 1) * gridSpacing);
}
return ln;
}
void TilePainter::RefineLines(std::vector<ALine>& lines, std::vector<CornerCase> ccs, bool isTracingDone)
{
std::vector<ALine> tempLines1(lines);
for(size_t a = 0; a < lines.size() && lines.size() > 1; a++)
{
size_t curI = a;
size_t prevI = a - 1;
size_t nextI = (a + 1) % lines.size();
if(curI == 0) { prevI = lines.size() - 1; }
AVector offsetVec1 = GetMiddlePoint(tempLines1[prevI].GetPointA(),
tempLines1[curI].GetPointA(),
tempLines1[curI].GetPointB());
AVector offsetVec2 = GetMiddlePoint(tempLines1[curI].GetPointA(),
tempLines1[curI].GetPointB(),
tempLines1[nextI].GetPointB());
float normalFactor = 1.0;
// fix me: nasty code
if(curI == 0 && ccs[prevI] == CornerCase::COR_STRAIGHT)
{
ALine prevLine = tempLines1[prevI];
lines[curI].XA = prevLine.XB;
lines[curI].YA = prevLine.YB;
}
// old code
if(ccs[a] == CornerCase::COR_START)
{
lines[curI].XB += offsetVec2.x * normalFactor;
lines[curI].YB += offsetVec2.y * normalFactor;
}
else if(ccs[a] == CornerCase::COR_END)
{
lines[curI].XA += offsetVec1.x * normalFactor;
lines[curI].YA += offsetVec1.y * normalFactor;
}
else if(ccs[a] == CornerCase::COR_MIDDLE)
{
lines[curI].XA += offsetVec1.x * normalFactor;
lines[curI].YA += offsetVec1.y * normalFactor;
lines[curI].XB += offsetVec2.x * normalFactor;
lines[curI].YB += offsetVec2.y * normalFactor;
}
// to do:
// if nextI is COR_START_STRAIGHT
// if prevI is COR_END_STRAIGHT
else if(ccs[a] == CornerCase::COR_START_STRAIGHT)
{
lines[curI].XA += offsetVec1.x * normalFactor;
lines[curI].YA += offsetVec1.y * normalFactor;
if(nextI != 0)
{
ALine nextLine = tempLines1[nextI];
lines[curI].XB = nextLine.XA;
lines[curI].YB = nextLine.YA;
}
}
else if(ccs[a] == CornerCase::COR_END_STRAIGHT)
{
if(prevI != tempLines1.size() - 1)
{
ALine prevLine = tempLines1[prevI];
lines[curI].XA = prevLine.XB;
lines[curI].YA = prevLine.YB;
}
lines[curI].XB += offsetVec2.x * normalFactor;
lines[curI].YB += offsetVec2.y * normalFactor;
}
else if(ccs[a] == CornerCase::COR_MIDDLE_STRAIGHT)
{
if(nextI != 0)
{
ALine nextLine = tempLines1[nextI];
lines[curI].XB = nextLine.XA;
lines[curI].YB = nextLine.YA;
}
if(prevI != tempLines1.size() - 1)
{
ALine prevLine = tempLines1[prevI];
lines[curI].XA = prevLine.XB;
lines[curI].YA = prevLine.YB;
}
}
//COR_MIDDLE_STRAIGHT
// end code
if(curI == lines.size() - 1 && !isTracingDone)
{
lines[curI].XB = tempLines1[curI].XB;
lines[curI].YB = tempLines1[curI].YB;
}
if(curI == 0 && !isTracingDone)
{
lines[curI].XA = tempLines1[curI].XA;
lines[curI].YA = tempLines1[curI].YA;
}
}
}
void TilePainter::SetTiles(std::vector<std::vector<CCell>> cells,
std::vector<AnIndex> traceList,
float gridSpacing,
bool isTracingDone)
{
_cLines.clear();
std::vector<std::pair<LayerType, LayerType>> layerTypeList1;
std::vector<LayerType> layerTypeList2;
std::vector<CornerCase> ccs;
// because first and last are the same
size_t lengthLimit = traceList.size();
if(traceList.size() > 1)
{
AnIndex firstIdx = traceList[0];
AnIndex lastIdx = traceList[traceList.size() - 1];
if(firstIdx == lastIdx) { lengthLimit = traceList.size() - 1; }
}
for(size_t a = 0; a < lengthLimit; a++)
{
AnIndex curIdx = traceList[a];
CCell curCel = cells[curIdx.x][curIdx.y];
CornerCase cc = GetCornerCase(a, cells, traceList, isTracingDone);
ccs.push_back(cc);
// calculate an initial line
ALine ln = GetLineInACell(curCel, gridSpacing, curIdx);
//ln.index1 = curIdx.x;
//ln.index2 = curIdx.y;
// determine layer types (start end)
std::pair<LayerType, LayerType> lTypes = GetLayerTypes(curCel, curIdx);
layerTypeList1.push_back(lTypes); //lTypes
_cLines.push_back(ln);
}
// detection is at least four points
// only when isTracingDone == true
// DetectStraightLines(std::vector<CornerCase> ccs)
// refine lines
RefineLines(_cLines, ccs, isTracingDone);
/*
// to do: refine corner
std::vector<ALine> tempLines;
for(size_t a = 0; a < _cLines.size(); a++)
{
CornerCase cCase = ccs[a];
ALine aLine = _cLines[a];
if(cCase == CornerCase::COR_MIDDLE)
{
float xPos = gridSpacing * (float)(aLine.index1) + (gridSpacing / 2.0f);
float yPos = gridSpacing * (float)(aLine.index2) + (gridSpacing / 2.0f);
ALine lineA(aLine.XA, aLine.YA, xPos, yPos);
ALine lineB(xPos, yPos, aLine.XB, aLine.YB);
tempLines.push_back(lineA);
tempLines.push_back(lineB);
}
else
{
tempLines.push_back(aLine);
}
}
_cLines = tempLines;
*/
// an example of acute corner
/*
ALine firstLine = _cLines[0];
ALine lineA(firstLine.XA, firstLine.YA, gridSpacing / 4.0f, gridSpacing / 4.0f);
ALine lineB(gridSpacing / 4.0f, gridSpacing / 4.0f, firstLine.XB, firstLine.YB);
_cLines.erase(_cLines.begin());
_cLines.insert(_cLines.begin(), lineB);
_cLines.insert(_cLines.begin(), lineA);
*/
// bezier curves
if(isTracingDone)
//if(false)
{
_urSegments.clear();
_orSegments.clear();
_anchorLines,clearenv();
_points.clear();
std::vector<std::pair<AVector, AVector>> anchors;
// init
for(size_t a = 0; a < _cLines.size(); a++)
{
int curIdx = a;
int prevIdx = a - 1;
int nextIdx = (a + 1) % _cLines.size();
if(curIdx == 0) { prevIdx = _cLines.size() - 1; }
AVector pt1 = _cLines[prevIdx].GetPointA();
AVector pt2 = _cLines[curIdx].GetPointA();
AVector pt3 = _cLines[curIdx].GetPointB();
AVector pt4 = _cLines[nextIdx].GetPointB();
AVector anchor1, anchor2;
CurveInterpolation::GetAnchors(pt1, pt2, pt3, pt4, anchor1, anchor2, 0.9);
/*
// (Bx-Ax)*(Y-Ay) - (By-Ay)*(X-Ax)
float val1 = (pt3.x - pt2.x) * (anchor1.y - pt2.y) - (pt3.y - pt2.y) * (anchor1.x - pt2.x);
float val2 = (pt3.x - pt2.x) * (anchor2.y - pt2.y) - (pt3.y - pt2.y) * (anchor2.x - pt2.x);
if((val1 < 0 && val2 > 0) || (val2 < 0 && val1 > 0))
{
anchor1 = pt2 + (pt3 - pt2).Norm() * 1.0;
anchor2 = pt3 + (pt2 - pt3).Norm() * 1.0;
}*/
// code to fix anchor points
float angle1 = AngleInBetween(anchor1 - pt2, pt3 - pt2);
float angle2 = AngleInBetween(anchor2 - pt3, pt2 - pt3);
CornerCase cCase = ccs[curIdx];
if(cCase == CornerCase::COR_STRAIGHT)
{
anchor1 = pt2 + (pt3 - pt2).Norm() * 1.0;
anchor2 = pt3 + (pt2 - pt3).Norm() * 1.0;
}
if(DistanceToFiniteLine(pt2, pt3, anchor1) < 0.01)
{ anchor1 = pt2; }
if(DistanceToFiniteLine(pt2, pt3, anchor2) < 0.01)
{ anchor2 = pt3; }
if(angle1 <= 0.15) { anchor1 = pt2 + (pt3 - pt2).Norm() * 1.0; }
if(angle2 <= 0.15) { anchor2 = pt3 + (pt2 - pt3).Norm() * 1.0; }
std::pair<AVector, AVector> pAnchors(anchor1, anchor2);
anchors.push_back(pAnchors);
}
for(size_t a = 0; a < _cLines.size(); a++)
{
int curIdx = a;
int prevIdx = a - 1;
int nextIdx = (a + 1) % _cLines.size();
if(curIdx == 0) { prevIdx = _cLines.size() - 1; }
AVector pt2 = _cLines[curIdx].GetPointA();
AVector pt3 = _cLines[curIdx].GetPointB();
AVector anchor1 = anchors[a].first;
AVector anchor2 = anchors[a].second;
// layer types
std::pair<LayerType, LayerType> lTypes = layerTypeList1[curIdx];
RibbonSegment segment1;
RibbonSegment segment2;
std::vector<AVector> segmentPoints1;
std::vector<AVector> segmentPoints2;
GeTwoSegments(pt2, anchor1, anchor2, pt3, &segment1, &segment2);
// debug (please delete)
_anchorLines.push_back(ALine(pt2, anchor1));
_anchorLines.push_back(ALine(pt3, anchor2));
CurveInterpolation::DeCasteljau(segmentPoints1, segment1._startMPt, segment1._anchor1, segment1._anchor2, segment1._endMPt, 1.0f);
CurveInterpolation::DeCasteljau(segmentPoints2, segment2._startMPt, segment2._anchor1, segment2._anchor2, segment2._endMPt, 1.0f);
for(size_t a = 0; a < segmentPoints1.size(); a++)
{ layerTypeList2.push_back(lTypes.first); }
for(size_t a = 0; a < segmentPoints2.size(); a++)
{ layerTypeList2.push_back(lTypes.second); }
_points.insert(_points.end(), segmentPoints1.begin(), segmentPoints1.end());
_points.insert(_points.end(), segmentPoints2.begin(), segmentPoints2.end());
segment1._layerType = lTypes.first;
segment2._layerType = lTypes.second;
segment1._cLines.clear();
segment2._cLines.clear();
for(size_t a = 0; a < segmentPoints1.size() - 1; a++)
{
int idx1 = a; int idx2 = a + 1;
segment1._cLines.push_back(ALine(segmentPoints1[idx1], segmentPoints1[idx2]));
}
segment1._cLines.push_back(ALine(segmentPoints1[segmentPoints1.size() - 1], segment1._endMPt));
for(size_t a = 0; a < segmentPoints2.size() - 1; a++)
{
int idx1 = a; int idx2 = a + 1;
segment2._cLines.push_back(ALine(segmentPoints2[idx1], segmentPoints2[idx2]));
}
segment2._cLines.push_back(ALine(segmentPoints2[segmentPoints2.size() - 1], segment2._endMPt));
CalculateRibbonLR(&segment1);
CalculateRibbonLR(&segment2);
if(segment1._layerType == LayerType::LAYER_OVER)
{
_orSegments.push_back(segment1);
_urSegments.push_back(segment2);
}
else
{
_urSegments.push_back(segment1);
_orSegments.push_back(segment2);
}
}
//to do: uncomment this
_cLines.clear();
for(size_t a = 0; a < _points.size(); a++)
{
int idx1 = a;
int idx2 = (a + 1) % _points.size();
_cLines.push_back(ALine(_points[idx1], _points[idx2]));
}
}
if(isTracingDone)
//if(false)
{
_cLinesVao.destroy();
std::cout << "layerTypeList2.size() " << layerTypeList2.size() << "\n";
std::rotate(layerTypeList2.begin(), layerTypeList2.begin() + 1, layerTypeList2.end()); // move first to the end
CalculateOverUnderRibbon(_cLines, layerTypeList2);
PrepareLinesVBO2(_cLines, &_cLinesVbo, &_cLinesVao, layerTypeList2);
PrepareLinesVBO1(_anchorLines, &_anchorLinesVbo, &_anchorLinesVao, QVector3D(1.0, 0.0, 0.0));
}
else
{
PrepareLinesVBO1(_cLines, &_cLinesVbo, &_cLinesVao, QVector3D(1.0, 0.0, 0.0));
//if(isTracingDone)
//{
// PrepareLinesVAO1(_anchorLines, &_anchorLinesVbo, &_anchorLinesVao, QVector3D(0.0, 0.0, 1.0));
//}
}
}
void TilePainter::CalculateOverUnderRibbon(std::vector<ALine> cLines, std::vector<LayerType> layerTypeList)
{
std::vector<ALine> rLines;
std::vector<ALine> lLines;
for(size_t a = 0; a < cLines.size(); a++)
{
int curIdx = a;
int prevIdx = a - 1;
int nextIdx = a + 1;
if(curIdx == 0) { prevIdx = cLines.size() - 1; }
else if(curIdx == cLines.size() - 1) { nextIdx = 0; }
ALine prevLine = cLines[prevIdx];
ALine curLine = cLines[curIdx];
ALine nextLine = cLines[nextIdx];
AVector d0Left, d0Right, d1Left, d1Right;
GetSegmentPoints(curLine, prevLine, nextLine, 1.5,1.5, &d0Left, &d0Right, &d1Left, &d1Right);
lLines.push_back(ALine(d0Left, d1Left));
rLines.push_back(ALine(d0Right, d1Right));
}
_urLines.clear();
_ulLines.clear();
_orLines.clear();
_olLines.clear();
for(size_t a = 0; a < cLines.size(); a++)
{
if(layerTypeList[a] == LayerType::LAYER_UNDER)
{
_urLines.push_back(rLines[a]);
_ulLines.push_back(lLines[a]);
}
else
{
_orLines.push_back(rLines[a]);
_olLines.push_back(lLines[a]);
}
}
PrepareQuadsVBO2(_urLines, _ulLines, &_uQuadsVbo, &_uQuadsVao, QVector3D(1, 1, 1));
PrepareQuadsVBO2(_orLines, _olLines, &_oQuadsVbo, &_oQuadsVao, QVector3D(1, 1, 1));
PrepareLinesVBO3(_urLines, _ulLines, &_uLinesVbo, &_uLinesVao, QVector3D(0, 0, 0));
PrepareLinesVBO3(_orLines, _olLines, &_oLinesVbo, &_oLinesVao, QVector3D(0, 0, 0));
}
void TilePainter::CalculateRibbonLR(RibbonSegment* segment)
{
for(size_t a = 0; a < segment->_cLines.size(); a++)
{
int curIdx = a;
int prevIdx = a - 1;
int nextIdx = a + 1;
if(curIdx == 0) { prevIdx = segment->_cLines.size() - 1; }
else if(curIdx == segment->_cLines.size() - 1) { nextIdx = 0; }
ALine prevLine = segment->_cLines[prevIdx];
ALine curLine = segment->_cLines[curIdx];
ALine nextLine = segment->_cLines[nextIdx];
AVector d0Left, d0Right, d1Left, d1Right;
GetSegmentPoints(curLine, prevLine, nextLine, 2, 2, &d0Left, &d0Right, &d1Left, &d1Right);
segment->_lLines.push_back(ALine(d0Left, d1Left));
segment->_rLines.push_back(ALine(d0Right, d1Right));
}
}
void TilePainter::GeTwoSegments(AVector p0, AVector p1, AVector p2, AVector p3, RibbonSegment* segment1, RibbonSegment* segment2)
{
double x0 = p0.x; double y0 = p0.y;
double x1 = p1.x; double y1 = p1.y;
double x2 = p2.x; double y2 = p2.y;
double x3 = p3.x; double y3 = p3.y;
double splitParam = 0.5;
double x01 = (x1 - x0) * splitParam + x0; double x12 = (x2 - x1) * splitParam + x1; double x23 = (x3 - x2) * splitParam + x2;
double y01 = (y1 - y0) * splitParam + y0; double y12 = (y2 - y1) * splitParam + y1; double y23 = (y3 - y2) * splitParam + y2;
double x012 = (x12 - x01) * splitParam + x01; double x123 = (x23 - x12) * splitParam + x12;
double y012 = (y12 - y01) * splitParam + y01; double y123 = (y23 - y12) * splitParam + y12;
double x0123 = (x123 - x012) * splitParam + x012;
double y0123 = (y123 - y012) * splitParam + y012;
// AVector(x0, y0), AVector(x01, y01), AVector(x012, y012), AVector(x0123, y0123)
segment1->_startMPt = AVector(x0, y0);
segment1->_endMPt = AVector(x0123, y0123);
segment1->_anchor1 = AVector(x01, y01);
segment1->_anchor2 = AVector(x012, y012);
// AVector(x0123, y0123), AVector(x123, y123), AVector(x23, y23), AVector(x3, y3)
segment2->_startMPt = AVector(x0123, y0123);
segment2->_endMPt = AVector(x3, y3);
segment2->_anchor1 = AVector(x123, y123);
segment2->_anchor2 = AVector(x23, y23);
}
void TilePainter::PrepareLinesVBO3(std::vector<ALine> rLines, std::vector<ALine> lLines, QOpenGLBuffer* vbo, QOpenGLVertexArrayObject* vao, QVector3D vecCol)
{
// the vao is created only once
bool isInit = false;
if(!vao->isCreated())
{
vao->create();
vao->bind();
isInit = true;
}
QVector<VertexData> data;
for(uint a = 0; a < rLines.size(); a++)
{
data.append(VertexData(QVector3D(rLines[a].XA, rLines[a].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(rLines[a].XB, rLines[a].YB, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(lLines[a].XA, lLines[a].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(lLines[a].XB, lLines[a].YB, 0), QVector2D(), vecCol));
}
if(!vbo->isCreated())
{
vbo->create();
}
vbo->bind();
vbo->allocate(data.data(), data.size() * sizeof(VertexData));
quintptr offset = 0;
_shaderProgram->enableAttributeArray(_vertexLocation);
_shaderProgram->setAttributeBuffer(_vertexLocation, GL_FLOAT, 0, 3, sizeof(VertexData));
offset += sizeof(QVector3D);
offset += sizeof(QVector2D);
_shaderProgram->enableAttributeArray(_colorLocation);
_shaderProgram->setAttributeBuffer(_colorLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
if(isInit)
{
vao->release();
}
}
void TilePainter::PrepareQuadsVBO2(std::vector<ALine> rLines, std::vector<ALine> lLines, QOpenGLBuffer* vbo, QOpenGLVertexArrayObject* vao, QVector3D vecCol)
{
// the vao is created only once
bool isInit = false;
if(!vao->isCreated())
{
vao->create();
vao->bind();
isInit = true;
}
QVector<VertexData> data;
for(uint a = 0; a < rLines.size(); a++)
{
data.append(VertexData(QVector3D(rLines[a].XA, rLines[a].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(lLines[a].XA, lLines[a].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(lLines[a].XB, lLines[a].YB, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(rLines[a].XB, rLines[a].YB, 0), QVector2D(), vecCol));
}
if(!vbo->isCreated())
{
vbo->create();
}
vbo->bind();
vbo->allocate(data.data(), data.size() * sizeof(VertexData));
quintptr offset = 0;
_shaderProgram->enableAttributeArray(_vertexLocation);
_shaderProgram->setAttributeBuffer(_vertexLocation, GL_FLOAT, 0, 3, sizeof(VertexData));
offset += sizeof(QVector3D);
offset += sizeof(QVector2D);
_shaderProgram->enableAttributeArray(_colorLocation);
_shaderProgram->setAttributeBuffer(_colorLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
if(isInit)
{
vao->release();
}
}
int TilePainter::PrepareQuadsVBO1(std::vector<RibbonSegment> ribbonSegments, QOpenGLBuffer* vbo, QOpenGLVertexArrayObject* vao, QVector3D vecCol)
{
// the vao is created only once
bool isInit = false;
if(!vao->isCreated())
{
vao->create();
vao->bind();
isInit = true;
}
int nSize = 0;
QVector<VertexData> data;
for(uint a = 0; a < ribbonSegments.size(); a++)
{
std::vector<ALine> cLines = ribbonSegments[a]._cLines;
nSize += cLines.size() * 2;
for(uint b = 0; b < cLines.size(); b++)
{
data.append(VertexData(QVector3D(cLines[b].XA, cLines[b].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(cLines[b].XB, cLines[b].YB, 0), QVector2D(), vecCol));
}
}
if(!vbo->isCreated())
{
vbo->create();
}
vbo->bind();
vbo->allocate(data.data(), data.size() * sizeof(VertexData));
quintptr offset = 0;
_shaderProgram->enableAttributeArray(_vertexLocation);
_shaderProgram->setAttributeBuffer(_vertexLocation, GL_FLOAT, 0, 3, sizeof(VertexData));
offset += sizeof(QVector3D);
offset += sizeof(QVector2D);
_shaderProgram->enableAttributeArray(_colorLocation);
_shaderProgram->setAttributeBuffer(_colorLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
if(isInit)
{
vao->release();
}
return nSize;
}
void TilePainter::PrepareLinesVBO1(std::vector<ALine> lines, QOpenGLBuffer* linesVbo, QOpenGLVertexArrayObject* linesVao, QVector3D vecCol)
{
// the vao is created only once
bool isInit = false;
if(!linesVao->isCreated())
{
linesVao->create();
linesVao->bind();
isInit = true;
}
QVector<VertexData> data;
for(uint a = 0; a < lines.size(); a++)
{
data.append(VertexData(QVector3D(lines[a].XA, lines[a].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(lines[a].XB, lines[a].YB, 0), QVector2D(), vecCol));
}
if(!linesVbo->isCreated())
{
linesVbo->create();
}
linesVbo->bind();
linesVbo->allocate(data.data(), data.size() * sizeof(VertexData));
quintptr offset = 0;
_shaderProgram->enableAttributeArray(_vertexLocation);
_shaderProgram->setAttributeBuffer(_vertexLocation, GL_FLOAT, 0, 3, sizeof(VertexData));
offset += sizeof(QVector3D);
offset += sizeof(QVector2D);
_shaderProgram->enableAttributeArray(_colorLocation);
_shaderProgram->setAttributeBuffer(_colorLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
if(isInit)
{
linesVao->release();
}
}
void TilePainter::PrepareLinesVBO2(std::vector<ALine> lines, QOpenGLBuffer* linesVbo, QOpenGLVertexArrayObject* linesVao, std::vector<LayerType> layerTypeList)
{
bool isInit = false;
if(!linesVao->isCreated())
{
linesVao->create();
linesVao->bind();
isInit = true;
}
QVector<VertexData> data;
for(uint a = 0; a < lines.size(); a++)
{
QVector3D vecCol(1, 1, 0);
if(layerTypeList[a] == LayerType::LAYER_UNDER) {vecCol = QVector3D(0, 1, 1); }
data.append(VertexData(QVector3D(lines[a].XA, lines[a].YA, 0), QVector2D(), vecCol));
data.append(VertexData(QVector3D(lines[a].XB, lines[a].YB, 0), QVector2D(), vecCol));
}
if(!linesVbo->isCreated())
{
linesVbo->create();
}
linesVbo->bind();
linesVbo->allocate(data.data(), data.size() * sizeof(VertexData));
quintptr offset = 0;
_shaderProgram->enableAttributeArray(_vertexLocation);
_shaderProgram->setAttributeBuffer(_vertexLocation, GL_FLOAT, 0, 3, sizeof(VertexData));
offset += sizeof(QVector3D);
offset += sizeof(QVector2D);
_shaderProgram->enableAttributeArray(_colorLocation);
_shaderProgram->setAttributeBuffer(_colorLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
if(isInit)
{
linesVao->release();
}
}
void TilePainter::DrawTiles()
{
/*
if(_anchorLinesVao.isCreated())
{
_shaderProgram->setUniformValue(_use_color_location, (GLfloat)1.0);
glLineWidth(2.0f);
_anchorLinesVao.bind();
glDrawArrays(GL_LINES, 0, _cLines.size() * 2);
_anchorLinesVao.release();
}*/
if(_uQuadsVao.isCreated())
{
_shaderProgram->setUniformValue(_use_color_location, (GLfloat)1.0);
_uQuadsVao.bind();
glDrawArrays(GL_QUADS, 0, _urLines.size() * 4);
_uQuadsVao.release();
}
if(_uLinesVao.isCreated())
{
_shaderProgram->setUniformValue(_use_color_location, (GLfloat)1.0);
_uLinesVao.bind();
glLineWidth(3.0f);
glDrawArrays(GL_LINES, 0, _urLines.size() * 4);
_uLinesVao.release();
}
if(_oQuadsVao.isCreated())
{
_shaderProgram->setUniformValue(_use_color_location, (GLfloat)1.0);
_oQuadsVao.bind();
glDrawArrays(GL_QUADS, 0, _orLines.size() * 4);
_oQuadsVao.release();
}
if(_oLinesVao.isCreated())
{
_shaderProgram->setUniformValue(_use_color_location, (GLfloat)1.0);
_oLinesVao.bind();
glLineWidth(3.0f);
glDrawArrays(GL_LINES, 0, _orLines.size() * 4);
_oLinesVao.release();
}
if(_cLinesVao.isCreated())
{
_shaderProgram->setUniformValue(_use_color_location, (GLfloat)1.0);
glLineWidth(2.0f);
_cLinesVao.bind();
glDrawArrays(GL_LINES, 0, _cLines.size() * 2);
_cLinesVao.release();
}
}
double TilePainter::AngleInBetween(AVector vec1, AVector vec2)
{
return acos(vec1.Dot(vec2) / (vec1.Length() * vec2.Length()));
}
void TilePainter::GetSegmentPoints(ALine curLine, ALine prevLine, ALine nextLine, double t0, double t1, AVector* pA, AVector* pB, AVector* pC, AVector* pD)
{
// point
AVector p0 = curLine.GetPointA();
AVector p1 = curLine.GetPointB();
// direction
AVector prevDirNorm = prevLine.Direction().Norm();
AVector curDirNorm = curLine.Direction().Norm();
AVector nextDirNorm = nextLine.Direction().Norm();
AVector d0;
AVector d1;
if(!prevLine.Invalid() && !nextLine.Invalid()) // normal drawing
{
d0 = (prevDirNorm + curDirNorm) / 2.0;
d1 = (nextDirNorm + curDirNorm) / 2.0;
}
else if(prevLine.Invalid() && nextLine.Invalid()) // line consists of only one line segment
{
d0 = curDirNorm;
d1 = curDirNorm;
}
else if(prevLine.Invalid()) // draw starting segment
{
d0 = curDirNorm;
d1 = (nextDirNorm + curDirNorm) / 2.0;
}
else if(nextLine.Invalid()) // draw ending segment
{
d0 = (prevDirNorm + curDirNorm) / 2.0;
d1 = curDirNorm;
}
// thickness
float p0HalfThickness = t0;
float p1HalfThickness = t1;
if(p0HalfThickness <= 0.0) p0HalfThickness = 0.5;
if(p1HalfThickness <= 0.0) p1HalfThickness = 0.5;
d0 = d0.Norm();
d1 = d1.Norm();
d0 *= p0HalfThickness;
d1 *= p1HalfThickness;