staticobject.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
#pragma once
 
#include "debug.h" // FATAL_ERROR
#include "irrlichttypes_bloated.h"
#include "log.h"
 
#include <istream>
#include <map>
#include <ostream>
#include <string>
#include <vector>
 
class ServerActiveObject;
 
struct StaticObject
{
        u8 type = 0;
        v3f pos;
        std::string data;
 
        StaticObject() = default;
        StaticObject(const ServerActiveObject *s_obj, const v3f &pos_);
 
        void serialize(std::ostream &os) const;
        void deSerialize(std::istream &is, u8 version);
};
 
class StaticObjectList
{
public:
        /*
                Inserts an object to the container.
                Id must be unique (active) or 0 (stored).
        */
        void insert(u16 id, const StaticObject &obj)
        {
                if (id == 0) {
                        m_stored.push_back(obj);
                } else {
                        if (m_active.find(id) != m_active.end()) {
                                dstream << "ERROR: StaticObjectList::insert(): "
                                                << "id already exists" << std::endl;
                                FATAL_ERROR("StaticObjectList::insert()");
                        }
                        setActive(id, obj);
                }
        }
 
        void remove(u16 id)
        {
                assert(id != 0); // Pre-condition
                if (m_active.find(id) == m_active.end()) {
                        warningstream << "StaticObjectList::remove(): id=" << id << " not found"
                                                  << std::endl;
                        return;
                }
                m_active.erase(id);
        }
 
        void serialize(std::ostream &os);
        void deSerialize(std::istream &is);
 
        // Never permit to modify outside of here. Only this object is responsible of m_stored and m_active modifications
        const std::vector<StaticObject>& getAllStored() const { return m_stored; }
        const std::map<u16, StaticObject> &getAllActives() const { return m_active; }
 
        inline void setActive(u16 id, const StaticObject &obj) { m_active[id] = obj; }
        inline size_t getActiveSize() const { return m_active.size(); }
        inline size_t getStoredSize() const { return m_stored.size(); }
        inline void clearStored() { m_stored.clear(); }
        void pushStored(const StaticObject &obj) { m_stored.push_back(obj); }
 
        bool storeActiveObject(u16 id);
 
        inline void clear()
        {
                m_active.clear();
                m_stored.clear();
        }
 
        inline size_t size()
        {
                return m_active.size() + m_stored.size();
        }
 
private:
        /*
                NOTE: When an object is transformed to active, it is removed
                from m_stored and inserted to m_active.
        */
        std::vector<StaticObject> m_stored;
        std::map<u16, StaticObject> m_active;
};