#pragma once #include "collection.h" #include "gfx/gl/instanceVertices.h" #include "gfx/models/texture.h" #include "gfx/renderable.h" #include "link.h" #include "sorting.h" #include "special_members.h" #include <glm/glm.hpp> #include <memory> #include <set> #include <string> #include <utility> class SceneShader; template<typename> class Ray; template<size_t... n> using GenDef = std::tuple<glm::vec<n, GlobalDistance>...>; using GenCurveDef = GenDef<3, 3, 2>; class Network { public: using LinkEnd = std::pair<Link::Ptr, unsigned char>; explicit Network(const std::string & textureName); virtual ~Network() = default; DEFAULT_MOVE_NO_COPY(Network); [[nodiscard]] Node::Ptr findNodeAt(GlobalPosition3D) const; [[nodiscard]] Node::Ptr nodeAt(GlobalPosition3D); enum class NodeIs { InNetwork, NotInNetwork }; using NodeInsertion = std::pair<Node::Ptr, NodeIs>; [[nodiscard]] NodeInsertion newNodeAt(GlobalPosition3D); [[nodiscard]] NodeInsertion candidateNodeAt(GlobalPosition3D) const; [[nodiscard]] virtual Link::Ptr intersectRayLinks(const Ray<GlobalPosition3D> &) const = 0; [[nodiscard]] virtual Node::Ptr intersectRayNodes(const Ray<GlobalPosition3D> &) const; [[nodiscard]] Link::Nexts routeFromTo(const Link::End &, GlobalPosition3D) const; [[nodiscard]] Link::Nexts routeFromTo(const Link::End &, const Node::Ptr &) const; virtual Link::CCollection candidateStraight(GlobalPosition3D, GlobalPosition3D) = 0; virtual Link::CCollection candidateJoins(GlobalPosition3D, GlobalPosition3D) = 0; virtual Link::CCollection candidateExtend(GlobalPosition3D, GlobalPosition3D) = 0; virtual Link::CCollection addStraight(GlobalPosition3D, GlobalPosition3D) = 0; virtual Link::CCollection addJoins(GlobalPosition3D, GlobalPosition3D) = 0; virtual Link::CCollection addExtend(GlobalPosition3D, GlobalPosition3D) = 0; [[nodiscard]] virtual float findNodeDirection(Node::AnyCPtr) const = 0; protected: static void joinLinks(const Link::Ptr & l, const Link::Ptr & ol); static GenCurveDef genCurveDef(const GlobalPosition3D & start, const GlobalPosition3D & end, float startDir); static std::pair<GenCurveDef, GenCurveDef> genCurveDef( const GlobalPosition3D & start, const GlobalPosition3D & end, float startDir, float endDir); using Nodes = std::set<Node::Ptr, PtrMemberSorter<Node::Ptr, &Node::pos>>; Nodes nodes; Texture::Ptr texture; }; template<typename LinkType> class NetworkLinkHolder { public: // Implemented per LinkType to configure vao NetworkLinkHolder(); friend LinkType; glVertexArray vao; mutable InstanceVertices<typename LinkType::Vertex> vertices; }; template<typename T, typename... Links> class NetworkOf : public Network, public Renderable, public NetworkLinkHolder<Links>... { protected: using Network::Network; Collection<T> links; void joinLinks(const Link::Ptr &) const; protected: [[nodiscard]] Link::Ptr intersectRayLinks(const Ray<GlobalPosition3D> &) const override; public: template<typename L, typename... Params> std::shared_ptr<L> candidateLink(GlobalPosition3D a, GlobalPosition3D b, Params &&... params) requires std::is_base_of_v<T, L> { const auto node1 = candidateNodeAt(a).first, node2 = candidateNodeAt(b).first; return std::make_shared<L>(*this, node1, node2, std::forward<Params>(params)...); } template<typename L, typename... Params> std::shared_ptr<L> addLink(GlobalPosition3D a, GlobalPosition3D b, Params &&... params) requires std::is_base_of_v<T, L> { const auto node1 = nodeAt(a), node2 = nodeAt(b); auto l {links.template create<L>(*this, node1, node2, std::forward<Params>(params)...)}; joinLinks(l); return l; } Link::CCollection candidateStraight(GlobalPosition3D n1, GlobalPosition3D n2) override; Link::CCollection candidateJoins(GlobalPosition3D, GlobalPosition3D) override; Link::CCollection candidateExtend(GlobalPosition3D, GlobalPosition3D) override; Link::CCollection addStraight(GlobalPosition3D n1, GlobalPosition3D n2) override; Link::CCollection addJoins(GlobalPosition3D, GlobalPosition3D) override; Link::CCollection addExtend(GlobalPosition3D, GlobalPosition3D) override; [[nodiscard]] float findNodeDirection(Node::AnyCPtr) const override; protected: Link::CCollection addJoins(); };