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BGE: bookmark option on controller to make them run before all other controllers.

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A new bookmark button is available on the controller UI. 
When set, the controller is guaranteed to execute before all
other non-bookmarked controllers, provided it is scheduled 
for execution. 

This is useful for initialization scripts that run once at startup or
scripts that must set some prerequisite for the other controllers at
the start of each logic frame.

This feature is also available at python level with the "bookmark"
attribute. It can be changed during the game.

Note that if several script are bookmarked, their relative order of 
execution is not guaranteed. Make sure they don't depend on each other.
This commit is contained in:
Benoit Bolsee
2009-05-17 21:50:31 +00:00
parent 9ce8a67690
commit 9a40f4d2a6
9 changed files with 43 additions and 8 deletions
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18
source/gameengine/GameLogic/SCA_IController.h
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@@ -45,6 +45,7 @@ protected:
std::vector<class SCA_IActuator*> m_linkedactuators;
unsigned int m_statemask;
bool m_justActivated;
bool m_bookmark;
public:
SCA_IController(SCA_IObject* gameobj,PyTypeObject* T);
virtual ~SCA_IController();
@@ -76,13 +77,24 @@ public:
{
m_justActivated = false;
}
void SetBookmark(bool bookmark)
{
m_bookmark = bookmark;
}
void Activate(SG_DList& head)
{
if (QEmpty())
{
InsertActiveQList(m_gameobj->m_activeControllers);
head.AddBack(&m_gameobj->m_activeControllers);
if (m_bookmark)
{
m_gameobj->m_activeBookmarkedControllers.QAddBack(this);
head.AddFront(&m_gameobj->m_activeBookmarkedControllers);
}
else
{
InsertActiveQList(m_gameobj->m_activeControllers);
head.AddBack(&m_gameobj->m_activeControllers);
}
}
}