| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "ECS/EntityManager.hpp" | ||
| 2 | #include <algorithm> | ||
| 3 | |||
| 4 | namespace ECS { | ||
| 5 |
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6 | EntityManager::EntityManager() : m_nextEntityID(1) { |
| 6 | // Reserve space for better performance | ||
| 7 |
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6 | m_aliveEntities.reserve(1000); |
| 8 | 6 | } | |
| 9 | |||
| 10 | 8 | EntityID EntityManager::CreateEntity() { | |
| 11 | EntityID entityID; | ||
| 12 | |||
| 13 |
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8 | if (!m_freeEntities.empty()) { |
| 14 | ✗ | entityID = m_freeEntities.front(); | |
| 15 | ✗ | m_freeEntities.pop(); | |
| 16 | } else { | ||
| 17 | 8 | entityID = m_nextEntityID++; | |
| 18 | } | ||
| 19 | |||
| 20 | // Ensure the alive entities vector is large enough | ||
| 21 |
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8 | if (entityID >= m_aliveEntities.size()) { |
| 22 | 8 | m_aliveEntities.resize(entityID + 1, false); | |
| 23 | } | ||
| 24 | |||
| 25 |
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8 | m_aliveEntities[entityID] = true; |
| 26 | 8 | return entityID; | |
| 27 | } | ||
| 28 | |||
| 29 | 1 | void EntityManager::DestroyEntity(EntityID entity) { | |
| 30 |
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1 | if (entity != INVALID_ENTITY && entity < m_aliveEntities.size() && m_aliveEntities[entity]) { |
| 31 |
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1 | m_aliveEntities[entity] = false; |
| 32 | 1 | m_freeEntities.push(entity); | |
| 33 | } | ||
| 34 | 1 | } | |
| 35 | |||
| 36 | 3 | bool EntityManager::IsEntityAlive(EntityID entity) const { | |
| 37 |
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3 | return entity != INVALID_ENTITY && |
| 38 |
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6 | entity < m_aliveEntities.size() && |
| 39 |
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6 | m_aliveEntities[entity]; |
| 40 | } | ||
| 41 | |||
| 42 | ✗ | void EntityManager::Clear() { | |
| 43 | ✗ | m_aliveEntities.clear(); | |
| 44 | ✗ | std::queue<EntityID> empty; | |
| 45 | ✗ | m_freeEntities.swap(empty); | |
| 46 | ✗ | m_nextEntityID = 1; | |
| 47 | ✗ | } | |
| 48 | |||
| 49 | 1 | size_t EntityManager::GetAliveEntityCount() const { | |
| 50 |
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1 | return std::count(m_aliveEntities.begin(), m_aliveEntities.end(), true); |
| 51 | } | ||
| 52 | } | ||
| 53 |