src/vertexmap.cpp@8e1c9f18ae15 (annotated)
src/vertexmap.cpp
Tue, 27 Jul 2021 16:29:00 +0300
- author
- Teemu Piippo <teemu@hecknology.net>
- date
- Tue, 27 Jul 2021 16:29:00 +0300
- changeset 118
- 8e1c9f18ae15
- parent 117
- 121a40d5e34c
- child 119
- 24275a4064f4
- permissions
- -rw-r--r--
Add vertex rendering
| 117 | 1 | #include "vertexmap.h" |
| 2 | #include "linetypes/polygonobject.h" | |
| 3 | ||
| 4 | VertexMap::VertexMap(const Model *model) : | |
| 5 | model{model} | |
| 6 | { | |
| 7 | connect( | |
| 8 | model, | |
| 9 | &Model::dataChanged, | |
| 10 | this, | |
| 11 | &VertexMap::build | |
| 12 | ); | |
| 13 | connect( | |
| 14 | model, | |
| 15 | &Model::rowsInserted, | |
| 16 | this, | |
| 17 | &VertexMap::build | |
| 18 | ); | |
| 19 | connect( | |
| 20 | model, | |
| 21 | &Model::rowsRemoved, | |
| 22 | this, | |
| 23 | &VertexMap::build | |
| 24 | ); | |
| 25 | this->build(); | |
| 26 | } | |
| 27 | ||
| 28 | void VertexMap::build() | |
| 29 | { | |
| 30 | this->map.clear(); | |
| 118 | 31 | this->vertices.clear(); |
| 117 | 32 | this->model->apply<ldraw::Object>([&](const ldraw::Object* object) |
| 33 | { | |
| 34 | for (int i = 0; i < object->numPoints(); i += 1) | |
| 35 | { | |
| 36 | const glm::vec3& point = object->getPoint(i); | |
| 118 | 37 | const unsigned int hash = qHash(point); |
| 38 | this->map[hash].insert(object->id); | |
| 39 | this->vertices[hash] = point; | |
| 117 | 40 | } |
| 41 | }); | |
| 118 | 42 | Q_EMIT this->verticesChanged(); |
| 117 | 43 | } |
| 118 | 44 | |
| 45 | /** | |
| 46 | * @brief Apply \c fn for all vertices in the map. | |
| 47 | * @param fn | |
| 48 | */ | |
| 49 | void VertexMap::apply(ApplyFunction fn) const | |
| 50 | { | |
| 51 | for (auto it = this->map.cbegin(); it != this->map.cend(); ++it) | |
| 52 | { | |
| 53 | const glm::vec3& point = this->vertices.at(it->first); | |
| 54 | fn(point, it->second); | |
| 55 | } | |
| 56 | } |
