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Templated helper to retrieve a subsystem

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- example of naming a subsystem
This commit is contained in:
James Turner
2015-12-10 14:52:04 -06:00
parent 31095c39cc
commit c62b4467b4
2 changed files with 21 additions and 16 deletions
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simgear/sound/soundmgr_openal.hxx
+1 -2
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@@ -268,6 +268,7 @@ public:
const std::string& get_vendor() { return _vendor; } const std::string& get_vendor() { return _vendor; }
const std::string& get_renderer() { return _renderer; } const std::string& get_renderer() { return _renderer; }
static const char* subsystemName() { return "sound"; };
private: private:
class SoundManagerPrivate; class SoundManagerPrivate;
/// private implementation object /// private implementation object
@@ -298,5 +299,3 @@ private:
#endif // _SG_SOUNDMGR_OPENAL_HXX #endif // _SG_SOUNDMGR_OPENAL_HXX
simgear/structure/subsystem_mgr.hxx
+6
View File
@@ -414,6 +414,12 @@ public:
void reportTiming(); void reportTiming();
void setReportTimingCb(void* userData,SGSubsystemTimingCb cb) {reportTimingCb = cb;reportTimingUserData = userData;} void setReportTimingCb(void* userData,SGSubsystemTimingCb cb) {reportTimingCb = cb;reportTimingUserData = userData;}
template<class T>
T* get_subsystem() const
{
return dynamic_cast<T*>(get_subsystem(T::subsystemName()));
}
private: private:
std::vector<SGSubsystemGroupRef> _groups; std::vector<SGSubsystemGroupRef> _groups;
unsigned int _initPosition; unsigned int _initPosition;