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https://gitea.wildfiregames.com/0ad/0ad
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157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/* Copyright (C) 2020 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_DYNAMICSUBSCRIPTION
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#define INCLUDED_DYNAMICSUBSCRIPTION
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#include "IComponent.h"
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#include <set>
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#include <vector>
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/**
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* A list of components that are dynamically subscribed to a particular
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* message. The components list is sorted by (entity_id, ComponentTypeId),
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* with no duplicates.
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*
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* To cope with changes to the subscription list while a message is still
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* being broadcast, all changes are stored in the added/removed sets. The
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* next time a message is sent, they will be merged into the main components
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* list.
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*/
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class CDynamicSubscription
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{
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struct CompareIComponent
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{
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bool operator()(const IComponent* cmpA, const IComponent* cmpB) const
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{
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entity_id_t entityA = cmpA->GetEntityId();
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entity_id_t entityB = cmpB->GetEntityId();
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if (entityA < entityB)
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return true;
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if (entityB < entityA)
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return false;
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int cidA = cmpA->GetComponentTypeId();
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int cidB = cmpB->GetComponentTypeId();
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if (cidA < cidB)
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return true;
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return false;
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}
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};
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public:
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void Add(IComponent* cmp);
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void Remove(IComponent* cmp);
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void Flatten();
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const std::vector<IComponent*>& GetComponents();
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void DebugDump();
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private:
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std::vector<IComponent*> m_Components; // always in CompareIComponent order
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std::set<IComponent*, CompareIComponent> m_Added;
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std::set<IComponent*, CompareIComponent> m_Removed;
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};
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#endif // INCLUDED_DYNAMICSUBSCRIPTION
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