src/layers/edittools.cpp

Sun, 03 Jul 2022 14:35:06 +0300

author
Teemu Piippo <teemu.s.piippo@gmail.com>
date
Sun, 03 Jul 2022 14:35:06 +0300
changeset 320
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parent 319
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child 322
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permissions
-rw-r--r--

Cleanup polygonize a bit

24
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1 /*
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2 * LDForge: LDraw parts authoring CAD
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3 * Copyright (C) 2013 - 2020 Teemu Piippo
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4 *
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5 * This program is free software: you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation, either version 3 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18
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19 #include <QMouseEvent>
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20 #include <QPainter>
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21 #include "src/model.h"
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22 #include "src/ui/objecteditor.h"
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23 #include "src/gl/partrenderer.h"
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24 #include "src/circularprimitive.h"
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25 #include "src/layers/edittools.h"
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26 #include "src/invert.h"
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27 #include "src/triangulate.h"
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28
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29 EditTools::EditTools(QObject* parent) :
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30 QObject{parent},
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31 RenderLayer{}
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32 {
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33 }
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34
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35 EditTools::~EditTools()
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36 {
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37 }
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38
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39 void EditTools::setEditMode(EditingMode newMode)
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40 {
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41 this->mode = newMode;
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42 switch (this->mode) {
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43 case SelectMode:
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44 Q_EMIT this->suggestCursor(Qt::ArrowCursor);
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45 break;
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46 case DrawMode:
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47 case CircleMode:
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48 Q_EMIT this->suggestCursor(Qt::CrossCursor);
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49 break;
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50 }
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51 }
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52
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53 void EditTools::setGridMatrix(const glm::mat4& newGridMatrix)
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54 {
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55 this->gridMatrix = newGridMatrix;
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56 this->gridPlane = planeFromTriangle({
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57 this->gridMatrix * glm::vec4{0, 0, 0, 1},
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58 this->gridMatrix * glm::vec4{1, 0, 0, 1},
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59 this->gridMatrix * glm::vec4{0, 1, 0, 1},
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60 });
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61 }
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62
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63 void EditTools::setCircleToolOptions(const CircleToolOptions& options)
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64 {
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65 this->circleToolOptions = options;
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66 }
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67
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68 void EditTools::mvpMatrixChanged(const glm::mat4& matrix)
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69 {
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70 this->mvpMatrix = matrix;
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71 }
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72
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73 void EditTools::mouseMoved(const QMouseEvent* event)
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74 {
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75 this->worldPosition = this->renderer->screenToModelCoordinates(event->pos(), this->gridPlane);
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76 this->localPosition = event->localPos();
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77 if (this->worldPosition.has_value())
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78 {
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79 // Snap the position to grid. This procedure is basically the "change of basis" and almost follows the
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80 // A⁻¹ × M × A formula which is used to perform a transformation in some other coordinate system, except
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81 // we actually use the inverted matrix first and the regular one last to perform the transformation of
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82 // grid coordinates in our XY coordinate system. Also, we're rounding the coordinates which is obviously
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83 // not a linear transformation, but fits the pattern anyway.
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84 // First transform the coordinates to the XY plane...
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85 this->worldPosition = glm::inverse(this->gridMatrix) * glm::vec4{*this->worldPosition, 1};
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86 // Then round the coordinates to integer precision...
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87 this->worldPosition = glm::round(*this->worldPosition);
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88 // And finally transform it back to grid coordinates by transforming it with the
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89 // grid matrix.
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90 this->worldPosition = this->gridMatrix * glm::vec4{*this->worldPosition, 1};
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91 this->polygon.back() = *this->worldPosition;
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92 this->numpoints = this->calcNumPoints();
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93 }
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94 }
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95
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96 static QVector<QPointF> convertWorldPointsToScreenPoints(
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97 const std::vector<glm::vec3> &worldPoints,
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98 const PartRenderer* renderer)
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99 {
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100 QVector<QPointF> points2d;
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101 points2d.reserve(static_cast<int>(worldPoints.size()));
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102 for (const glm::vec3& point : worldPoints)
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103 {
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104 points2d.push_back(renderer->modelToScreenCoordinates(point));
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105 }
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106 return points2d;
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107 }
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108
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109 static Winding worldPolygonWinding(
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110 const std::vector<glm::vec3> &points,
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111 const PartRenderer* renderer)
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112 {
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113 return winding(QPolygonF{convertWorldPointsToScreenPoints(points, renderer)});
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114 }
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115
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116 static void drawWorldPoint(
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117 QPainter* painter,
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118 const glm::vec3& worldPoint,
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119 const PartRenderer* renderer)
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120 {
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121 const QPointF center = renderer->modelToScreenCoordinates(worldPoint);
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122 painter->drawEllipse(inscribe(CircleF{center, 5}));
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123 }
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124
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125 static void drawWorldPolyline(
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126 QPainter *painter,
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127 const std::vector<glm::vec3> &points,
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128 const PartRenderer* renderer)
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129 {
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130 painter->drawPolyline(QPolygonF{convertWorldPointsToScreenPoints(points, renderer)});
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131 }
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132
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133 static void drawWorldPolygon(
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134 QPainter* painter,
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135 const std::vector<glm::vec3> &points,
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136 const PartRenderer* renderer)
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137 {
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138 painter->drawPolygon(QPolygonF{convertWorldPointsToScreenPoints(points, renderer)});
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139 }
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140
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141 //! \brief Conversion function from PlainPolygonElement to ModelElement
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142 ModelElement elementFromPolygonAndColor(const PlainPolygonElement& poly, ColorIndex color)
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143 {
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144 // use std::visit with a templated lambda to resolve the type of poly.
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145 return std::visit([color](const auto& resolvedPoly) -> ModelElement {
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146 // unlike with normal templates we need to pry out the type out manually
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147 using PolygonType = std::decay_t<decltype(resolvedPoly)>;
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148 // add color and return as a model element.
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149 return Colored<PolygonType>{resolvedPoly, color};
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150 }, poly);
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151 }
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152
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153 static std::vector<std::vector<glm::vec3>> polygonsToBeInserted(const ModelAction& action)
222
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154 {
232
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155 std::vector<std::vector<glm::vec3>> result;
222
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156 if (const AppendToModel* append = std::get_if<AppendToModel>(&action)) {
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157 const ModelElement& newElement = append->newElement;
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158 if (const LineSegment* seg = std::get_if<Colored<LineSegment>>(&newElement)) {
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159 result.push_back({seg->p1, seg->p2});
222
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160 }
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161 else if (const Triangle* tri = std::get_if<Colored<Triangle>>(&newElement)) {
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162 result.push_back({tri->p1, tri->p2, tri->p3});
222
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163 }
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164 else if (const Quadrilateral* quad = std::get_if<Colored<Quadrilateral>>(&newElement)) {
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165 result.push_back({quad->p1, quad->p2, quad->p3, quad->p4});
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166 }
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167 else if (const CircularPrimitive* circ = std::get_if<Colored<CircularPrimitive>>(&newElement)) {
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168 // rasterize the circle down to polygons, and append them to the result.
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169 rasterize(*circ, [&](const PlainPolygonElement& poly, const ColorIndex color){
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170 AppendToModel append{elementFromPolygonAndColor(poly, color)};
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171 const auto& subpoints = polygonsToBeInserted(append);
232
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172 std::copy(subpoints.begin(), subpoints.end(), std::back_inserter(result));
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173 });
222
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174 }
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175 }
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176 return result;
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177 }
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178
228
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179 namespace {
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180 struct Pens
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181 {
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182 const QBrush pointBrush;
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183 const QPen pointPen;
245
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184 const QPen textPen;
228
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185 const QPen polygonPen;
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186 const QPen badPolygonPen;
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187 const QBrush greenPolygonBrush;
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188 const QBrush redPolygonBrush;
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189 };
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190 }
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191
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192 static const Pens brightPens{
245
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193 .pointBrush = {Qt::black},
228
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194 .pointPen = {QBrush{Qt::black}, 2.0},
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195 .textPen = {Qt::black},
228
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196 .polygonPen = {QBrush{Qt::black}, 2.0, Qt::DashLine},
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197 .greenPolygonBrush = {QColor{64, 255, 128, 192}},
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198 .redPolygonBrush = {QColor{255, 96, 96, 192}},
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199 };
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200
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201 static const Pens darkPens{
245
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202 .pointBrush = {Qt::white},
228
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203 .pointPen = {QBrush{Qt::white}, 2.0},
245
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204 .textPen = {Qt::white},
228
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205 .polygonPen = {QBrush{Qt::white}, 2.0, Qt::DashLine},
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206 .greenPolygonBrush = {QColor{64, 255, 128, 192}},
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207 .redPolygonBrush = {QColor{255, 96, 96, 192}},
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208 };
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209
217
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210 void EditTools::overpaint(QPainter* painter)
197
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211 {
245
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212 painter->save();
311
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213 if (this->usePolygon()) {
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214 const Pens& pens = (this->renderer->isDark() ? darkPens : brightPens);
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215 this->renderPreview(painter, &pens);
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216 QFont font;
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217 font.setBold(true);
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218 if (this->usePolygon() and this->worldPosition.has_value())
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219 {
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220 painter->setRenderHint(QPainter::Antialiasing);
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221 painter->setPen(pens.pointPen);
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222 painter->setBrush(pens.greenPolygonBrush);
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223 const QPointF pos = this->renderer->modelToScreenCoordinates(*this->worldPosition);
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224 painter->drawEllipse(pos, 5, 5);
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225 drawBorderedText(painter, pos + QPointF{5, 5}, font, vectorToString(*this->worldPosition));
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226 }
197
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227 }
245
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228 painter->restore();
197
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229 }
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230
232
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231 const std::vector<ModelAction> EditTools::modelActions() const
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232 {
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233 switch(this->mode) {
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234 case SelectMode:
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235 return {};
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236 case DrawMode:
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237 return drawModeActions();
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238 case CircleMode:
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239 return circleModeActions();
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240 }
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241 }
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242
314
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243 constexpr QPointF vecToQPoint(const glm::vec2& a)
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244 {
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245 return {a.x, a.y};
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246 }
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247
228
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248 void EditTools::renderPreview(QPainter* painter, const void* pensptr)
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249 {
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250 const Pens& pens = *reinterpret_cast<const Pens*>(pensptr);
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251 painter->setPen(pens.polygonPen);
232
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252 for (const ModelAction& action : this->modelActions()) {
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253 for (const std::vector<glm::vec3>& points : polygonsToBeInserted(action)) {
232
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254 if (points.size() == 2) {
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255 drawWorldPolyline(painter, points, renderer);
228
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256 }
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257 else {
232
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258 if (worldPolygonWinding(points, this->renderer) == Winding::Clockwise) {
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259 painter->setBrush(pens.greenPolygonBrush);
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260 }
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261 else {
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262 painter->setBrush(pens.redPolygonBrush);
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263 }
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264 drawWorldPolygon(painter, points, this->renderer);
228
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diff changeset
265 }
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
266 }
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
267 }
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
268 painter->setBrush(pens.pointBrush);
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
269 painter->setPen(pens.pointPen);
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
270 for (const glm::vec3& point : this->polygon) {
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
271 drawWorldPoint(painter, point, this->renderer);
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
272 }
314
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
273 if (this->mode == CircleMode and this->polygon.size() >= 2) {
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
274 const glm::vec3 circleOrigin = this->polygon[0];
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
275 const QPointF originScreen = this->renderer->modelToScreenCoordinates(circleOrigin);
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
276 const auto extremity = [this, &originScreen](const glm::vec3& p){
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
277 const QPointF s2 = this->renderer->modelToScreenCoordinates(p);
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
278 const auto intersection = rayRectangleIntersection(
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
279 rayFromPoints(toVec2(originScreen), toVec2(s2)),
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
280 this->renderer->rect());
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
281 if (intersection.has_value()) {
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
282 return intersection->position;
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
283 }
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
284 else {
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
285 return glm::vec2{s2.x(), s2.y()};
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
286 }
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
287 };
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
288 const glm::vec3 zvec = this->gridMatrix[2];
315
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
289 {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
290 const glm::vec2 p1 = extremity(this->polygon[0] + zvec);
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
291 const glm::vec2 p2 = extremity(this->polygon[0] - zvec);
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
292 const glm::vec2 lateral = glm::normalize(glm::mat2{{0, 1}, {-1, 0}} * (p2 - p1));
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
293 painter->setPen(QPen{Qt::white, 3});
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
294 painter->drawLine(vecToQPoint(p1), vecToQPoint(p2));
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
295 constexpr float notchsize = 40.0f;
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
296 for (int a = -30; a <= 30; ++a) {
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
297 const glm::vec3 notch = this->polygon[0] + static_cast<float>(a) * zvec;
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
298 const QPointF s_notchcenter = this->renderer->modelToScreenCoordinates(notch);
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Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
299 const QPointF notch_s1 = s_notchcenter + notchsize * 0.5f * vecToQPoint(lateral);
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
300 const QPointF notch_s2 = s_notchcenter - notchsize * 0.5f * vecToQPoint(lateral);
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
301 painter->drawLine(notch_s1, notch_s2);
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
302 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
303 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
304 if (this->polygon.size() >= 3) {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
305 const opt<float> height = this->cylinderHeight();
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Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
306 if (height.has_value()) {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
307 const glm::vec3 heightvec = height.value_or(0) * zvec;
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
308 const glm::vec3 p = this->polygon[1] + 0.5f * heightvec;
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
309 QFont font{};
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
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diff changeset
310 font.setBold(true);
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
311 drawBorderedText(painter, this->renderer->modelToScreenCoordinates(p), font, QString::number(*height));
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
312 }
314
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
313 }
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
314 }
228
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
315 }
948867719906 refactor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 227
diff changeset
316
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
317 void EditTools::removeLastPoint()
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
318 {
222
72b456f2f3c2 Edit tools: get rid of the preview polygon and render the result-to-be
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 217
diff changeset
319 if (this->polygon.size() > 1) {
312
2637134bc37c Fix right click to delete not really working properly
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 311
diff changeset
320 this->polygon.erase(this->polygon.end() - 2);
314
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
321 this->numpoints = this->calcNumPoints();
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
322 }
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
323 }
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
324
223
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
325 bool EditTools::isCloseToExistingPoints() const
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
326 {
223
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
327 if (this->worldPosition.has_value()) {
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
328 const glm::vec3& pos = *this->worldPosition;
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
329 return std::any_of(this->polygon.begin(), this->polygon.end() - 1, [&pos](const glm::vec3& p){
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
330 return isclose(pos, p);
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
331 });
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
332 }
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
333 else {
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
334 return false;
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
335 }
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
336 }
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
337
314
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
338 std::size_t EditTools::calcNumPoints() const
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
339 {
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
340 std::size_t result = this->polygon.size();
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
341 if (this->isCloseToExistingPoints()) {
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
342 result -= 1;
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
343 }
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
344 return result;
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
345 }
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
346
315
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
347 opt<float> EditTools::cylinderHeight() const
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
348 {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
349 if (this->polygon.size() < 3) {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
350 return {};
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
351 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
352 else {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
353 const Plane plane{
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
354 .normal = glm::normalize(this->renderer->cameraVector(this->localPosition)),
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
355 .anchor = this->polygon[0],
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
356 };
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
357 const opt<glm::vec3> p = this->renderer->screenToModelCoordinates(this->localPosition, plane);
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
358 if (p.has_value()) {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
359 const glm::vec3 heightvec = glm::normalize(glm::vec3{gridMatrix[2]});
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
360 return std::round(glm::dot(*p - polygon[0], heightvec));
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
361 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
362 else {
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
363 return {};
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
364 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
365 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
366 }
23b47902d857 Improve preview of cylinder extrusion
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 314
diff changeset
367
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
368 EditingMode EditTools::currentEditingMode() const
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
369 {
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
370 return this->mode;
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
371 }
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
372
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
373 void EditTools::mouseClick(const QMouseEvent* event)
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
374 {
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
375 switch(this->mode) {
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
376 case SelectMode:
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
377 if (event->button() == Qt::LeftButton) {
309
d862721d19a3 Fixed ModelId being used to identify both models and elements, added ElementId to identify elements
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 307
diff changeset
378 const ElementId highlighted = this->renderer->pick(event->pos());
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
379 Q_EMIT this->select({highlighted}, false);
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
380 }
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
381 break;
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
382 case DrawMode:
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
383 if (event->button() == Qt::LeftButton and this->worldPosition.has_value()) {
223
ce81db996275 Use Mapbox's ear clipping algorithm to handle drawing any simple polygon
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 222
diff changeset
384 if (isCloseToExistingPoints()) {
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
385 this->closeShape();
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
386 }
214
8e1fe64ce4e3 begin refactor of gl side
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 205
diff changeset
387 else {
217
6d95c1a41e6e reimplement EditTools as a render layer
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 214
diff changeset
388 this->polygon.push_back(*this->worldPosition);
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
389 }
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
390 }
232
8efa3a33172e Add base code for circular primitives
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 228
diff changeset
391 break;
8efa3a33172e Add base code for circular primitives
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 228
diff changeset
392 case CircleMode:
316
aab8e139a149 Allow make a cylinder even if the world position is not on grid
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 315
diff changeset
393 if (event->button() == Qt::LeftButton) {
314
4642ba1218e8 Added rudimentary cylinder extrusion into circle tool.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 312
diff changeset
394 if (this->polygon.size() == 3) {
232
8efa3a33172e Add base code for circular primitives
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 228
diff changeset
395 this->closeShape();
8efa3a33172e Add base code for circular primitives
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 228
diff changeset
396 }
316
aab8e139a149 Allow make a cylinder even if the world position is not on grid
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 315
diff changeset
397 else if (this->worldPosition.has_value()) {
232
8efa3a33172e Add base code for circular primitives
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 228
diff changeset
398 this->polygon.push_back(*this->worldPosition);
8efa3a33172e Add base code for circular primitives
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 228
diff changeset
399 }
197
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
400 }
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
diff changeset
401 break;
0e729e681a2c move drawState to Document
Teemu Piippo <teemu@hecknology.net>
parents: 191
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402 }
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403 if (event->button() == Qt::RightButton and this->polygon.size() > 1) {
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404 this->removeLastPoint();
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405 }
223
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406 }
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407
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408
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409 const std::vector<ModelAction> EditTools::circleModeActions() const
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410 {
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411 std::vector<ModelAction> result;
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412 if (this->numpoints >= 2) {
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413 const glm::vec3 x = polygon[1] - polygon[0];
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414 const opt<float> cyliheight = this->cylinderHeight().value_or(1);
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415 glm::mat4 transform{
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416 glm::vec4{x, 0},
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417 *cyliheight * this->gridMatrix[2],
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418 glm::vec4{glm::cross(glm::vec3{-this->gridMatrix[2]}, x), 0},
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419 glm::vec4{this->polygon[0], 1},
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420 };
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421 Colored<CircularPrimitive> circ{
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422 CircularPrimitive{
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423 .type = this->circleToolOptions.type,
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424 .fraction = this->circleToolOptions.fraction,
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425 .transformation = transform,
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426 },
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427 MAIN_COLOR
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428 };
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429 result.push_back(AppendToModel{.newElement = circ});
232
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430 }
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431 return result;
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432 }
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433
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434 const std::vector<ModelAction> EditTools::drawModeActions() const
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435 {
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436 std::vector<ModelAction> result;
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437 if (this->numpoints == 2) {
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438 result.push_back(AppendToModel{edge(this->polygon[0], this->polygon[1])});
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439 }
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440 else if (this->numpoints > 2) {
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441 for (const PlainPolygonElement& poly : polygonize(
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442 this->polygon.begin(),
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443 this->polygon.begin() + static_cast<long>(this->numpoints))
319
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444 ) {
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445 result.push_back(AppendToModel{
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446 .newElement = elementFromPolygonAndColor(poly, MAIN_COLOR),
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447 });
223
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448 }
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449 }
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450 return result;
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451 }
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452
311
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453 bool EditTools::usePolygon() const
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454 {
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455 switch (this->mode) {
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456 case SelectMode:
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457 return false;
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458 case DrawMode:
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459 case CircleMode:
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460 return true;
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461 }
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462 return {};
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463 }
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464
222
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465 void EditTools::closeShape()
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466 {
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467 for (const ModelAction& action : this->modelActions()) {
222
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468 Q_EMIT this->modelAction(action);
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469 }
217
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470 this->polygon.clear();
225
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471 this->polygon.push_back(this->worldPosition.value_or(glm::vec3{0, 0, 0}));
197
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472 }

mercurial