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#include "network.h"
#include "routeWalker.h"
#include <array>
#include <cache.h>
#include <filesystem>
#include <game/network/link.h>
#include <gfx/models/texture.h>
#include <glm/gtx/intersect.hpp>
#include <initializer_list>
#include <ray.hpp>
#include <stdexcept>
#include <utility>
Network::Network(const std::string & tn) : texture {Texture::cachedTexture.get(tn)} { }
NodePtr
Network::nodeAt(glm::vec3 pos)
{
return *nodes.insert(std::make_shared<Node>(pos)).first;
}
std::pair<NodePtr, bool>
Network::newNodeAt(glm::vec3 pos)
{
const auto i = nodes.insert(std::make_shared<Node>(pos));
return {*i.first, i.second};
}
NodePtr
Network::findNodeAt(glm::vec3 pos) const
{
if (const auto n = nodes.find(std::make_shared<Node>(pos)); n != nodes.end()) {
return *n;
}
return {};
}
Network::IntersectRayResult
Network::intersectRay(const Ray & ray) const
{
// Click within 2m of a node
if (const auto node = std::find_if(nodes.begin(), nodes.end(),
[&ray](const NodePtr & node) {
glm::vec3 ipos, inorm;
return glm::intersectRaySphere(ray.start, ray.direction, node->pos, 2.F, ipos, inorm);
});
node != nodes.end()) {
return *node;
}
return intersectRayLinks(ray);
}
void
Network::joinLinks(const LinkPtr & l, const LinkPtr & ol)
{
if (l != ol) {
for (const auto oe : {0U, 1U}) {
for (const auto te : {0U, 1U}) {
if (l->ends[te].node == ol->ends[oe].node) {
l->ends[te].nexts.emplace_back(ol, oe);
ol->ends[oe].nexts.emplace_back(l, te);
}
}
}
}
}
Link::Nexts
Network::routeFromTo(const Link::End & start, glm::vec3 dest) const
{
auto destNode {findNodeAt(dest)};
if (!destNode) {
throw std::out_of_range("Node does not exist in network");
}
return routeFromTo(start, destNode);
}
Link::Nexts
Network::routeFromTo(const Link::End & end, const NodePtr & dest) const
{
return RouteWalker().findRouteTo(end, dest);
}
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