Michael Fabian 'Xaymar' Dirks
91 lines
1.9 KiB
C++
91 lines
1.9 KiB
C++
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#include "meshloader.hpp"
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#include "meshmodel.hpp"
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#include "std.hpp"
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struct Surf {
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vector<Surface::Triangle> tris;
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};
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static map<Brush, Surf*> brush_map;
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static vector<Surface::Vertex> verts;
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void MeshLoader::clear()
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{
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map<Brush, Surf*>::const_iterator it;
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for (it = brush_map.begin(); it != brush_map.end(); ++it) {
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delete it->second;
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}
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brush_map.clear();
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verts.clear();
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}
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int MeshLoader::numVertices()
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{
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return verts.size();
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}
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void MeshLoader::addVertex(const Surface::Vertex& v)
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{
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verts.push_back(v);
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}
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Surface::Vertex& refVertex(int n)
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{
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return verts[n];
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}
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void MeshLoader::addTriangle(const int verts[3], const Brush& b)
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{
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addTriangle(verts[0], verts[1], verts[2], b);
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}
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void MeshLoader::addTriangle(int v0, int v1, int v2, const Brush& b)
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{
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//find surface
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Surf* surf;
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map<Brush, Surf*>::const_iterator it = brush_map.find(b);
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if (it != brush_map.end())
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surf = it->second;
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else {
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surf = d_new Surf;
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brush_map.insert(make_pair(b, surf));
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}
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Surface::Triangle tri;
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tri.verts[0] = v0;
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tri.verts[1] = v1;
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tri.verts[2] = v2;
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surf->tris.push_back(tri);
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}
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void MeshLoader::updateMesh(MeshModel* mesh)
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{
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map<int, int> vert_map;
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map<Brush, Surf*>::iterator it;
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for (it = brush_map.begin(); it != brush_map.end(); ++it) {
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vert_map.clear();
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Brush b = it->first;
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Surf* t = it->second;
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Surface* surf = mesh->findSurface(b);
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if (!surf)
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surf = mesh->createSurface(b);
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for (int k = 0; k < t->tris.size(); ++k) {
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for (int j = 0; j < 3; ++j) {
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int n = t->tris[k].verts[j], id;
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map<int, int>::const_iterator it = vert_map.find(n);
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if (it != vert_map.end())
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id = it->second;
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else {
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id = surf->numVertices();
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surf->addVertex(verts[n]);
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vert_map.insert(make_pair(n, id));
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}
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t->tris[k].verts[j] = id;
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}
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surf->addTriangle(t->tris[k]);
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}
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}
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clear();
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}
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