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#pragma once
#include <array>
#include <glm/glm.hpp>
#include <location.hpp>
#include <maths.h>
#include <memory>
#include <special_members.hpp>
#include <stdTypeDefs.hpp>
#include <utility>
#include <vector>
class Ray;
// Generic network node
// something that can be travelled to
// it has location
class Node : public StdTypeDefs<Node> {
public:
explicit Node(glm::vec3 p) noexcept : pos(p) {};
virtual ~Node() noexcept = default;
NO_COPY(Node);
NO_MOVE(Node);
glm::vec3 pos;
};
// Generic network link
// something that can be travelled along
// it joins 2 nodes
class Link;
using LinkPtr = std::shared_ptr<Link>;
using LinkCPtr = std::shared_ptr<const Link>;
using LinkWPtr = std::weak_ptr<const Link>;
class Link {
public:
using Next = std::pair<LinkWPtr, unsigned char /*end*/>;
using Nexts = std::vector<Next>;
struct End {
Node::Ptr node;
float dir;
Nexts nexts {};
};
Link(End, End, float);
virtual ~Link() = default;
NO_COPY(Link);
NO_MOVE(Link);
[[nodiscard]] virtual Location positionAt(float dist, unsigned char start) const = 0;
[[nodiscard]] virtual bool intersectRay(const Ray &) const = 0;
std::array<End, 2> ends;
float length;
protected:
[[nodiscard]] virtual glm::vec3
vehiclePositionOffset() const
{
return {};
}
};
using CLinks = std::vector<LinkCPtr>;
bool operator<(const glm::vec3 & a, const glm::vec3 & b);
bool operator<(const Node & a, const Node & b);
class LinkStraight : public virtual Link {
public:
LinkStraight() = default;
inline ~LinkStraight() override = 0;
NO_COPY(LinkStraight);
NO_MOVE(LinkStraight);
[[nodiscard]] Location positionAt(float dist, unsigned char start) const override;
[[nodiscard]] bool intersectRay(const Ray &) const override;
};
LinkStraight::~LinkStraight() = default;
class LinkCurve : public virtual Link {
public:
inline ~LinkCurve() override = 0;
LinkCurve(glm::vec3, float, Arc);
NO_COPY(LinkCurve);
NO_MOVE(LinkCurve);
[[nodiscard]] Location positionAt(float dist, unsigned char start) const override;
[[nodiscard]] bool intersectRay(const Ray &) const override;
glm::vec3 centreBase;
float radius;
Arc arc;
};
LinkCurve::~LinkCurve() = default;
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