99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
/*
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* InfiniPaint
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* Copyright (C) 2025-2026 Yousef Khadadeh
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "NetObjID.hpp"
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#include "NetObjManager.hpp"
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#include "NetObjOwnerPtr.decl.hpp"
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#include "NetObjTemporaryPtr.decl.hpp"
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#include <memory>
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namespace NetworkingObjects {
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template <typename T> class NetObjWeakPtr {
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public:
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NetObjWeakPtr():
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objMan(nullptr),
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id({0, 0})
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{}
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NetObjWeakPtr(const NetObjWeakPtr& other):
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objMan(other.objMan),
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id(other.id)
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{}
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NetObjWeakPtr(const NetObjOwnerPtr<T>& other):
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objMan(other.objMan),
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id(other.id)
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{}
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NetObjWeakPtr(const NetObjTemporaryPtr<T>& other):
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objMan(other.objMan),
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id(other.id)
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{}
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NetObjWeakPtr& operator=(const NetObjOwnerPtr<T>& other) {
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objMan = other.objMan;
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id = other.id;
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return *this;
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}
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NetObjWeakPtr& operator=(const NetObjTemporaryPtr<T>& other) {
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objMan = other.objMan;
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id = other.id;
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return *this;
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}
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NetObjWeakPtr& operator=(const NetObjWeakPtr& other) {
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objMan = other.objMan;
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id = other.id;
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return *this;
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}
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template <typename S> NetObjWeakPtr<S> cast() const {
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return NetObjWeakPtr<S>(objMan, id);
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}
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bool expired() const {
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return (!objMan) || (!objMan->objectData.contains(id));
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}
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NetObjTemporaryPtr<T> lock() const {
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if(!objMan)
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return NetObjTemporaryPtr<T>();
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auto it = objMan->objectData.find(id);
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if(it == objMan->objectData.end())
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return NetObjTemporaryPtr<T>();
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return NetObjTemporaryPtr<T>(objMan, id, static_cast<T*>(it->second.p));
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}
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void reset() {
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objMan = nullptr;
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id = NetObjID({0, 0});
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}
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NetObjManager* get_obj_man() const {
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return objMan;
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}
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NetObjID get_net_id() const {
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return id;
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}
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bool operator!=(const NetObjWeakPtr<T>& rhs) const {
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return objMan != rhs.objMan || id != rhs.id;
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}
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bool operator==(const NetObjWeakPtr<T>& rhs) const {
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return objMan == rhs.objMan && id == rhs.id;
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}
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private:
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NetObjWeakPtr(NetObjManager* initObjMan, NetObjID initID):
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objMan(initObjMan),
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id(initID)
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{}
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NetObjManager* objMan;
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NetObjID id;
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};
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}
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