comparison: src/editmodes/magicWandMode.cc
src/editmodes/magicWandMode.cc
- branch
- projects
- changeset 935
- 8d98ee0dc917
- parent 930
- ab77deb851fa
- parent 934
- be8128aff739
- child 936
- aee883858c90
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| 930:ab77deb851fa | 935:8d98ee0dc917 |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 - 2015 Teemu Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #include <QMouseEvent> | |
| 20 #include "magicWandMode.h" | |
| 21 #include "../ldDocument.h" | |
| 22 #include "../mainWindow.h" | |
| 23 #include "../glRenderer.h" | |
| 24 | |
| 25 MagicWandMode::MagicWandMode (GLRenderer* renderer) : | |
| 26 Super (renderer) | |
| 27 { | |
| 28 // Get vertex<->object data | |
| 29 for (LDObjectPtr obj : CurrentDocument()->objects()) | |
| 30 { | |
| 31 // Note: this deliberately only takes vertex-objects into account. | |
| 32 // The magic wand does not process subparts. | |
| 33 for (int i = 0; i < obj->numVertices(); ++i) | |
| 34 m_vertices[obj->vertex (i)] << obj; | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 EditModeType MagicWandMode::type() const | |
| 39 { | |
| 40 return EditModeType::MagicWand; | |
| 41 } | |
| 42 | |
| 43 void MagicWandMode::fillBoundaries (LDObjectPtr obj, QVector<BoundaryType>& boundaries, QVector<LDObjectPtr>& candidates) | |
| 44 { | |
| 45 // All boundaries obviously share vertices with the object, therefore they're all in the list | |
| 46 // of candidates. | |
| 47 for (auto it = candidates.begin(); it != candidates.end(); ++it) | |
| 48 { | |
| 49 if (not Eq ((*it)->type(), OBJ_Line, OBJ_CondLine) or (*it)->vertex (0) == (*it)->vertex (1)) | |
| 50 continue; | |
| 51 | |
| 52 int matches = 0; | |
| 53 | |
| 54 for (int i = 0; i < obj->numVertices(); ++i) | |
| 55 { | |
| 56 if (not Eq (obj->vertex (i), (*it)->vertex (0), (*it)->vertex (1))) | |
| 57 continue; | |
| 58 | |
| 59 if (++matches == 2) | |
| 60 { | |
| 61 // Boundary found. If it's an edgeline, add it to the boundaries list, if a | |
| 62 // conditional line, select it. | |
| 63 if ((*it)->type() == OBJ_CondLine) | |
| 64 m_selection << *it; | |
| 65 else | |
| 66 boundaries.append (std::make_tuple ((*it)->vertex (0), (*it)->vertex (1))); | |
| 67 | |
| 68 break; | |
| 69 } | |
| 70 } | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 void MagicWandMode::doMagic (LDObjectPtr obj, MagicWandMode::MagicType type) | |
| 75 { | |
| 76 if (obj == null) | |
| 77 { | |
| 78 if (type == Set) | |
| 79 { | |
| 80 CurrentDocument()->clearSelection(); | |
| 81 g_win->buildObjList(); | |
| 82 } | |
| 83 | |
| 84 return; | |
| 85 } | |
| 86 | |
| 87 int matchesneeded = 0; | |
| 88 QVector<BoundaryType> boundaries; | |
| 89 LDObjectType objtype = obj->type(); | |
| 90 | |
| 91 if (type != InternalRecursion) | |
| 92 { | |
| 93 m_selection.clear(); | |
| 94 m_selection.append (obj); | |
| 95 } | |
| 96 | |
| 97 switch (obj->type()) | |
| 98 { | |
| 99 case OBJ_Line: | |
| 100 case OBJ_CondLine: | |
| 101 matchesneeded = 1; | |
| 102 break; | |
| 103 | |
| 104 case OBJ_Triangle: | |
| 105 case OBJ_Quad: | |
| 106 matchesneeded = 2; | |
| 107 break; | |
| 108 | |
| 109 default: | |
| 110 return; | |
| 111 } | |
| 112 | |
| 113 QVector<LDObjectPtr> candidates; | |
| 114 | |
| 115 // Get the list of objects that touch this object, i.e. share a vertex | |
| 116 // with this. | |
| 117 for (int i = 0; i < obj->numVertices(); ++i) | |
| 118 candidates += m_vertices[obj->vertex (i)]; | |
| 119 | |
| 120 RemoveDuplicates (candidates); | |
| 121 | |
| 122 // If we're dealing with surfaces, get a list of boundaries. | |
| 123 if (matchesneeded > 1) | |
| 124 fillBoundaries (obj, boundaries, candidates); | |
| 125 | |
| 126 for (LDObjectPtr candidate : candidates) | |
| 127 { | |
| 128 try | |
| 129 { | |
| 130 // If we're doing this on lines, we need exact type match. Surface types (quads and | |
| 131 // triangles) can be mixed. Also don't consider self a candidate, and don't consider | |
| 132 // objects we have already processed. | |
| 133 if ((candidate == obj) or | |
| 134 (candidate->color() != obj->color()) or | |
| 135 (m_selection.contains (candidate)) or | |
| 136 (matchesneeded == 1 and (candidate->type() != objtype)) or | |
| 137 ((candidate->numVertices() > 2) ^ (matchesneeded == 2))) | |
| 138 { | |
| 139 throw 0; | |
| 140 } | |
| 141 | |
| 142 // Now ensure the two objects share enough vertices. | |
| 143 QVector<Vertex> matches; | |
| 144 | |
| 145 for (int i = 0; i < obj->numVertices(); ++i) | |
| 146 { | |
| 147 for (int j = 0; j < candidate->numVertices(); ++j) | |
| 148 { | |
| 149 if (obj->vertex(i) == candidate->vertex(j)) | |
| 150 { | |
| 151 matches << obj->vertex(i); | |
| 152 break; | |
| 153 } | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 if (matches.size() < matchesneeded) | |
| 158 throw 0; // Not enough matches. | |
| 159 | |
| 160 // Check if a boundary gets in between the objects. | |
| 161 for (auto boundary : boundaries) | |
| 162 { | |
| 163 if (Eq (matches[0], std::get<0> (boundary), std::get<1> (boundary)) and | |
| 164 Eq (matches[1], std::get<0> (boundary), std::get<1> (boundary))) | |
| 165 { | |
| 166 throw 0; | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 m_selection.append (candidate); | |
| 171 doMagic (candidate, InternalRecursion); | |
| 172 } | |
| 173 catch (int&) | |
| 174 { | |
| 175 continue; | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 switch (type) | |
| 180 { | |
| 181 case Set: | |
| 182 CurrentDocument()->clearSelection(); | |
| 183 case Additive: | |
| 184 for (LDObjectPtr obj : m_selection) | |
| 185 obj->select(); | |
| 186 break; | |
| 187 | |
| 188 case Subtractive: | |
| 189 for (LDObjectPtr obj : m_selection) | |
| 190 obj->deselect(); | |
| 191 break; | |
| 192 | |
| 193 case InternalRecursion: | |
| 194 break; | |
| 195 } | |
| 196 | |
| 197 if (type != InternalRecursion) | |
| 198 g_win->buildObjList(); | |
| 199 } | |
| 200 | |
| 201 bool MagicWandMode::mouseReleased (MouseEventData const& data) | |
| 202 { | |
| 203 if (Super::mouseReleased (data)) | |
| 204 return true; | |
| 205 | |
| 206 if (data.releasedButtons & Qt::LeftButton and not data.mouseMoved) | |
| 207 { | |
| 208 MagicType wandtype = MagicWandMode::Set; | |
| 209 | |
| 210 if (data.keymods & Qt::ShiftModifier) | |
| 211 wandtype = MagicWandMode::Additive; | |
| 212 elif (data.keymods & Qt::ControlModifier) | |
| 213 wandtype = MagicWandMode::Subtractive; | |
| 214 | |
| 215 doMagic (renderer()->pickOneObject (data.ev->x(), data.ev->y()), wandtype); | |
| 216 return true; | |
| 217 } | |
| 218 | |
| 219 return false; | |
| 220 } |
