1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
#include "network.h"
#include "routeWalker.h"
#include <array>
#include <game/network/link.h>
#include <gfx/models/texture.h>
#include <glm/gtx/intersect.hpp>
#include <ray.h>
#include <stdexcept>
#include <utility>
Network::Network(const std::string & tn) : texture {std::make_shared<Texture>(tn)} { }
Node::Ptr
Network::nodeAt(GlobalPosition3D pos)
{
return newNodeAt(pos).first;
}
Network::NodeInsertion
Network::newNodeAt(GlobalPosition3D pos)
{
if (auto [n, i] = candidateNodeAt(pos); i == NodeIs::NotInNetwork) {
return {*nodes.insert(std::move(n)).first, i};
}
else {
return {std::move(n), NodeIs::InNetwork};
}
}
Node::Ptr
Network::findNodeAt(GlobalPosition3D pos) const
{
if (const auto n = nodes.find(pos); n != nodes.end()) {
return *n;
}
return {};
}
Network::NodeInsertion
Network::candidateNodeAt(GlobalPosition3D pos) const
{
if (const auto n = nodes.find(pos); n != nodes.end()) {
return {*n, NodeIs::InNetwork};
}
return {std::make_shared<Node>(pos), NodeIs::NotInNetwork};
}
Node::Ptr
Network::intersectRayNodes(const Ray<GlobalPosition3D> & ray) const
{
// Click within 2m of a node
if (const auto node = std::find_if(nodes.begin(), nodes.end(),
[&ray](const Node::Ptr & node) {
GlobalPosition3D ipos;
Normal3D inorm;
return ray.intersectSphere(node->pos, 2000, ipos, inorm);
});
node != nodes.end()) {
return *node;
}
return {};
}
void
Network::joinLinks(const Link::Ptr & l, const Link::Ptr & 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, GlobalPosition3D 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 Node::Ptr & dest) const
{
return RouteWalker().findRouteTo(end, dest);
}
GenCurveDef
Network::genCurveDef(const GlobalPosition3D & start, const GlobalPosition3D & end, float startDir)
{
const auto diff {end - start};
const auto vy {vector_yaw(diff)};
const auto dir = pi + startDir;
const auto flatStart {start.xy()}, flatEnd {end.xy()};
const auto n2ed {(vy * 2) - dir - pi};
const auto centre {find_arc_centre(flatStart, dir, flatEnd, n2ed)};
if (centre.second) { // right hand arc
return {end, start, centre.first};
}
return {start, end, centre.first};
}
std::pair<GenCurveDef, GenCurveDef>
Network::genCurveDef(const GlobalPosition3D & start, const GlobalPosition3D & end, float startDir, float endDir)
{
startDir += pi;
endDir += pi;
const auto flatStart {start.xy()}, flatEnd {end.xy()};
auto midheight = [&](auto mid) {
const auto sm = glm::length(RelativePosition2D(flatStart - mid)),
em = glm::length(RelativePosition2D(flatEnd - mid));
return start.z + GlobalDistance(RelativeDistance(end.z - start.z) * (sm / (sm + em)));
};
if (const auto radii = find_arcs_radius(flatStart, startDir, flatEnd, endDir); radii.first < radii.second) {
const auto radius {radii.first};
const auto c1 = flatStart + GlobalPosition2D(sincosf(startDir + half_pi) * radius);
const auto c2 = flatEnd + GlobalPosition2D(sincosf(endDir + half_pi) * radius);
const auto mid = (c1 + c2) / 2;
const auto midh = mid || midheight(mid);
return {{start, midh, c1}, {end, midh, c2}};
}
else {
const auto radius {radii.second};
const auto c1 = flatStart + GlobalPosition2D(sincosf(startDir - half_pi) * radius);
const auto c2 = flatEnd + GlobalPosition2D(sincosf(endDir - half_pi) * radius);
const auto mid = (c1 + c2) / 2;
const auto midh = mid || midheight(mid);
return {{midh, start, c1}, {midh, end, c2}};
}
}
|
