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Dynamic message subscriptions.

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Allow components to individually subscribe/unsubscribe to messages,
instead of statically subscribing the entire component type. Use this
for most Interpolate/RenderSubmit messages, to avoid the performance
cost of passing those messages to a large number of components that will
just ignore them anyway.

On Azure Coast this reduces total time per frame by about 30% on a
CPU-bound system.

This was SVN commit r15400.
This commit is contained in:
Ykkrosh
2014-06-19 23:20:12 +00:00
parent ec7a452d4e
commit d936bde74a
12 changed files with 391 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/simulation2/components/CCmpPosition.cpp
+31 -1
View File
@@ -44,7 +44,6 @@ public:
static void ClassInit(CComponentManager& componentManager)
{
componentManager.SubscribeToMessageType(MT_TurnStart);
componentManager.SubscribeToMessageType(MT_Interpolate);
componentManager.SubscribeToMessageType(MT_TerrainChanged);
componentManager.SubscribeToMessageType(MT_WaterChanged);
componentManager.SubscribeToMessageType(MT_Deserialized);
@@ -97,6 +96,8 @@ public:
float m_LastInterpolatedRotX, m_LastInterpolatedRotZ;
bool m_ActorFloating;
bool m_EnabledMessageInterpolate;
static std::string GetSchema()
{
return
@@ -156,6 +157,8 @@ public:
m_TurretPosition = CFixedVector3D();
m_ActorFloating = false;
m_EnabledMessageInterpolate = false;
}
virtual void Deinit()
@@ -252,6 +255,8 @@ public:
if (m_InWorld)
UpdateXZRotation();
UpdateMessageSubscriptions();
}
void Deserialized()
@@ -528,6 +533,7 @@ public:
m_RotY = y;
AdvertisePositionChanges();
UpdateMessageSubscriptions();
}
virtual void SetYRotation(entity_angle_t y)
@@ -550,6 +556,7 @@ public:
}
AdvertisePositionChanges();
UpdateMessageSubscriptions();
}
virtual void SetXZRotation(entity_angle_t x, entity_angle_t z)
@@ -751,6 +758,8 @@ public:
{
case MT_Interpolate:
{
PROFILE3("Position::Interpolate");
const CMessageInterpolate& msgData = static_cast<const CMessageInterpolate&> (msg);
float rotY = m_RotY.ToFloat();
@@ -776,6 +785,8 @@ public:
UpdateXZRotation();
}
UpdateMessageSubscriptions();
}
break;
@@ -837,6 +848,25 @@ public:
private:
/*
* Must be called whenever m_RotY or m_InterpolatedRotY change,
* to determine whether we need to call Interpolate to make the unit rotate.
*/
void UpdateMessageSubscriptions()
{
bool needInterpolate = false;
float rotY = m_RotY.ToFloat();
if (rotY != m_InterpolatedRotY)
needInterpolate = true;
if (needInterpolate != m_EnabledMessageInterpolate)
{
GetSimContext().GetComponentManager().DynamicSubscriptionNonsync(MT_Interpolate, this, needInterpolate);
m_EnabledMessageInterpolate = needInterpolate;
}
}
/**
* This must be called after changing anything that will affect the
* return value of GetPosition2D() or GetRotation().Y: