48 lines
939 B
C++
48 lines
939 B
C++
#pragma once
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#include <cstddef>
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#include <tuple>
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#include <vector>
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#include <Entities/Components.h>
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#include <Entities/Entity.h>
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using ComponentVectorTuple = std::tuple
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<
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std::vector<Transform>,
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std::vector<Texture>,
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std::vector<BoundingBox>
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>;
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class EntityMemoryPool
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{
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private:
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ComponentVectorTuple m_components;
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std::vector<EntityTag> m_tags;
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std::vector<bool> m_aliveStates;
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size_t m_entityCount; // for debugging purposes, should not be included in release version
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bool m_holePresent{false};
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private:
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EntityMemoryPool();
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EntityMemoryPool(const EntityMemoryPool&) = delete;
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public:
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static EntityMemoryPool& instance();
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template<typename T>
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bool hasComponent(EntityIndex) const;
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template<typename T>
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T& getComponent(EntityIndex) const;
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template<typename T>
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T& getComponent(EntityIndex);
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EntityTag getTag(EntityIndex) const;
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bool getAlive(EntityIndex) const;
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void removeEntity(EntityIndex);
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}; |