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SDK/Entity: Delay component removal until world update 

Allows system to freely remove components while updating


Former-commit-id: db5877bc20e6a0dfadd69f81a339f0a57d8404df [formerly 74327b8f1429855625613f258894b37d026041fe] [formerly 65b8f2ba78d2690b7a469d4b9818b189524633db [formerly 71be95adb46b7183261a8038352c4d8bd17cacc3]]
Former-commit-id: ba91d5abad60792e648d47e646ae49d43a1c94b5 [formerly 8d0667574ff665e151e7fda5f854fc11a16c854d]
Former-commit-id: eb7b06c2739ef698a153a6221870a8d0956dc875
This commit is contained in:
Lynix 2016-08-11 01:02:40 +02:00
parent b096096e83
commit 1fc0d564ce
4 changed files with 53 additions and 36 deletions
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9
SDK/include/NDK/Entity.hpp
View File

@ -52,8 +52,8 @@ namespace Ndk
inline bool IsEnabled() const;
inline bool IsValid() const;
void RemoveAllComponents();
void RemoveComponent(ComponentIndex index);
inline void RemoveAllComponents();
inline void RemoveComponent(ComponentIndex index);
template<typename ComponentType> void RemoveComponent();
inline Nz::String ToString() const;
@ -67,6 +67,10 @@ namespace Ndk
void Create();
void Destroy();
void DestroyComponent(ComponentIndex index);
inline Nz::Bitset<>& GetRemovedComponentBits();
inline void RegisterSystem(SystemIndex index);
inline void SetWorld(World* world) noexcept;
@ -75,6 +79,7 @@ namespace Ndk
std::vector<std::unique_ptr<BaseComponent>> m_components;
Nz::Bitset<> m_componentBits;
Nz::Bitset<> m_removedComponentBits;
Nz::Bitset<> m_systemBits;
EntityId m_id;
World* m_world;

19
SDK/include/NDK/Entity.inl
View File

@ -103,12 +103,31 @@ namespace Ndk
RemoveComponent(index);
}
inline void Entity::RemoveAllComponents()
{
m_removedComponentBits = m_componentBits;
Invalidate();
}
inline void Entity::RemoveComponent(ComponentIndex index)
{
m_removedComponentBits.UnboundedSet(index);
Invalidate();
}
inline Nz::String Entity::ToString() const
{
Nz::StringStream ss;
return ss << "Entity(" << GetId() << ')';
}
inline Nz::Bitset<>& Entity::GetRemovedComponentBits()
{
return m_removedComponentBits;
}
inline void Entity::RegisterSystem(SystemIndex index)
{
m_systemBits.UnboundedSet(index);

56
SDK/src/NDK/Entity.cpp
View File

@ -44,6 +44,7 @@ namespace Ndk
// Affectation et retour du component
m_components[index] = std::move(componentPtr);
m_componentBits.UnboundedSet(index);
m_removedComponentBits.UnboundedReset(index);
Invalidate();
@ -71,40 +72,6 @@ namespace Ndk
m_world->Invalidate(m_id);
}
void Entity::RemoveAllComponents()
{
for (std::size_t i = m_componentBits.FindFirst(); i != m_componentBits.npos; i = m_componentBits.FindNext(i))
RemoveComponent(static_cast<ComponentIndex>(i));
NazaraAssert(m_componentBits.TestNone(), "All components should be gone");
m_components.clear();
Invalidate();
}
void Entity::RemoveComponent(ComponentIndex index)
{
///DOC: N'a aucun effet si le component n'est pas présent
if (HasComponent(index))
{
// On récupère le component et on informe les composants du détachement
BaseComponent& component = *m_components[index].get();
for (std::size_t i = m_componentBits.FindFirst(); i != m_componentBits.npos; i = m_componentBits.FindNext(i))
{
if (i != index)
m_components[i]->OnComponentDetached(component);
}
component.SetEntity(nullptr);
m_components[index].reset();
m_componentBits.Reset(index);
Invalidate();
}
}
void Entity::Create()
{
m_enabled = true;
@ -128,4 +95,25 @@ namespace Ndk
m_valid = false;
}
void Entity::DestroyComponent(ComponentIndex index)
{
///DOC: N'a aucun effet si le component n'est pas présent
if (HasComponent(index))
{
// On récupère le component et on informe les composants du détachement
BaseComponent& component = *m_components[index].get();
for (std::size_t i = m_componentBits.FindFirst(); i != m_componentBits.npos; i = m_componentBits.FindNext(i))
{
if (i != index)
m_components[i]->OnComponentDetached(component);
}
component.SetEntity(nullptr);
m_components[index].reset();
m_componentBits.Reset(index);
}
}
}

5
SDK/src/NDK/World.cpp
View File

@ -139,6 +139,11 @@ namespace Ndk
if (!entity->IsValid())
continue;
Nz::Bitset<>& removedComponents = entity->GetRemovedComponentBits();
for (std::size_t j = removedComponents.FindFirst(); j != m_dirtyEntities.npos; j = removedComponents.FindNext(j))
entity->DestroyComponent(j);
removedComponents.Reset();
for (auto& system : m_systems)
{
// Ignore non-existent systems