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Sdk/BaseSystem: Rename UpdateRate to FixedUpdateRate and add MaximumUpdateRate

This commit is contained in:
Jérôme Leclercq 2017-09-22 15:22:19 +02:00
parent 74b5cada88
commit 9a665bbff6
3 changed files with 72 additions and 27 deletions
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9
SDK/include/NDK/BaseSystem.hpp
View File

@ -35,17 +35,19 @@ namespace Ndk
bool Filters(const Entity* entity) const;
inline const EntityList& GetEntities() const;
inline float GetFixedUpdateRate() const;
inline SystemIndex GetIndex() const;
inline float GetMaximumUpdateRate() const;
inline int GetUpdateOrder() const;
inline float GetUpdateRate() const;
inline World& GetWorld() const;
inline bool IsEnabled() const;
inline bool HasEntity(const Entity* entity) const;
inline void SetFixedUpdateRate(float updatePerSecond);
inline void SetMaximumUpdateRate(float updatePerSecond);
void SetUpdateOrder(int updateOrder);
inline void SetUpdateRate(float updatePerSecond);
inline void Update(float elapsedTime);
@ -93,8 +95,9 @@ namespace Ndk
SystemIndex m_systemIndex;
World* m_world;
bool m_updateEnabled;
float m_fixedUpdateRate;
float m_maxUpdateRate;
float m_updateCounter;
float m_updateRate;
int m_updateOrder;
static SystemIndex s_nextIndex;

84
SDK/include/NDK/BaseSystem.inl
View File

@ -20,7 +20,8 @@ namespace Ndk
m_updateEnabled(true),
m_updateOrder(0)
{
SetUpdateRate(30);
SetFixedUpdateRate(0);
SetMaximumUpdateRate(30);
}
/*!
@ -35,7 +36,8 @@ namespace Ndk
m_systemIndex(system.m_systemIndex),
m_updateEnabled(system.m_updateEnabled),
m_updateCounter(0.f),
m_updateRate(system.m_updateRate),
m_fixedUpdateRate(system.m_fixedUpdateRate),
m_maxUpdateRate(system.m_maxUpdateRate),
m_updateOrder(system.m_updateOrder)
{
}
@ -61,6 +63,24 @@ namespace Ndk
return m_entities;
}
/*!
* \brief Gets the maximum rate of update of the system
* \return Update rate
*/
inline float BaseSystem::GetFixedUpdateRate() const
{
return (m_fixedUpdateRate > 0.f) ? 1.f / m_fixedUpdateRate : 0.f;
}
/*!
* \brief Gets the maximum rate of update of the system
* \return Update rate
*/
inline float BaseSystem::GetMaximumUpdateRate() const
{
return (m_maxUpdateRate > 0.f) ? 1.f / m_maxUpdateRate : 0.f;
}
/*!
* \brief Gets the index of the system
* \return Index of the system
@ -82,16 +102,6 @@ namespace Ndk
return m_updateOrder;
}
/*!
* \brief Gets the rate of update of the system
* \return Update rate
*/
inline float BaseSystem::GetUpdateRate() const
{
return (m_updateRate > 0.f) ? 1.f / m_updateRate : 0.f;
}
/*!
* \brief Gets the world on which the system operate
* \return World in which the system is
@ -125,15 +135,25 @@ namespace Ndk
}
/*!
* \brief Sets the rate of update for the system
* \brief Sets the fixed update rate for the system
*
* \param updatePerSecond Update rate, 0 means update rate is not fixed
*/
inline void BaseSystem::SetFixedUpdateRate(float updatePerSecond)
{
m_updateCounter = 0.f;
m_fixedUpdateRate = (updatePerSecond > 0.f) ? 1.f / updatePerSecond : 0.f; // 0.f means no limit
}
/*!
* \brief Sets the maximum update rate for the system
*
* \param updatePerSecond Update rate, 0 means as much as possible
*/
inline void BaseSystem::SetUpdateRate(float updatePerSecond)
inline void BaseSystem::SetMaximumUpdateRate(float updatePerSecond)
{
m_updateCounter = 0.f;
m_updateRate = (updatePerSecond > 0.f) ? 1.f / updatePerSecond : 0.f; // 0.f means no limit
m_maxUpdateRate = (updatePerSecond > 0.f) ? 1.f / updatePerSecond : 0.f; // 0.f means no limit
}
/*!
@ -147,19 +167,41 @@ namespace Ndk
if (!IsEnabled())
return;
if (m_updateRate > 0.f)
{
m_updateCounter += elapsedTime;
while (m_updateCounter >= m_updateRate)
if (m_maxUpdateRate > 0.f)
{
OnUpdate(m_updateRate);
m_updateCounter -= m_updateRate;
if (m_updateCounter > elapsedTime)
{
if (m_fixedUpdateRate > 0.f)
{
while (m_updateCounter >= m_fixedUpdateRate)
{
OnUpdate(m_fixedUpdateRate);
m_updateCounter -= m_fixedUpdateRate;
}
}
else
{
OnUpdate(m_maxUpdateRate);
m_updateCounter -= elapsedTime;
}
}
}
else
{
if (m_fixedUpdateRate > 0.f)
{
while (m_updateCounter >= m_fixedUpdateRate)
{
OnUpdate(m_fixedUpdateRate);
m_updateCounter -= m_fixedUpdateRate;
}
}
else
OnUpdate(elapsedTime);
}
}
/*!
* \brief Excludes some component from the system

2
SDK/src/NDK/Systems/RenderSystem.cpp
View File

@ -36,7 +36,7 @@ namespace Ndk
ChangeRenderTechnique<Nz::ForwardRenderTechnique>();
SetDefaultBackground(Nz::ColorBackground::New());
SetUpdateOrder(100); //< Render last, after every movement is done
SetUpdateRate(0.f); //< We don't want any rate limit
SetMaximumUpdateRate(0.f); //< We don't want any rate limit
}
/*!