holesome/src/game/player/player_collection.hpp

#ifndef HOLESOME_PLAYER_COLLECTION_HPP
#define HOLESOME_PLAYER_COLLECTION_HPP


#include "../game_object.h"
#include "player.hpp"

class PlayerCollection : public GameObject
{
public:
    explicit PlayerCollection(int maxPlayerCount = DEFAULT_MAX_PLAYER_NUMBER);

    static std::shared_ptr<PlayerCollection> getInstance();

    void setSpawnPoints(std::vector<GridCoordinates> newSpawnPoints);

    void addPlayer(const std::shared_ptr<Player>& player);

    void removePlayer(const std::shared_ptr<Player>& player);

    std::shared_ptr<Player> getClosestPlayer(const TranslatedCoordinates& point) const;

    [[nodiscard]] std::vector<std::shared_ptr<Player>> getPlayers() const;

    [[nodiscard]] std::shared_ptr<Player> getPlayerById(int playerId) const;

    [[nodiscard]] std::vector<std::shared_ptr<Player>> getNewPlayers() const;

    [[nodiscard]] std::vector<std::shared_ptr<Player>> getRemovedPlayers() const;

    [[nodiscard]] int getMaxPlayerCount() const;

    void lateUpdate() override;

    void clear();

    void activatePlayers();
    void deactivatePlayers();

private:
    static inline std::shared_ptr<PlayerCollection> singletonInstance = nullptr;

    std::vector<std::shared_ptr<Player>> newPlayerBuffer = {};
    std::vector<std::shared_ptr<Player>> removedPlayerBuffer = {};

    std::vector<GridCoordinates> spawnPoints;
    int nextSpawnPointIndex = 0;

    void spawnPlayer(const std::shared_ptr<InputIdentity> &inputIdentity);

    std::vector<int> takenSkinIndices = {};

    std::string getNextSkin();

    int maxPlayerCount;

    void updateInputIdentityAllowance() const;
};


#endif //HOLESOME_PLAYER_COLLECTION_HPP