diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/system.cpp | 42 | ||||
-rw-r--r-- | common/system.h | 85 |
2 files changed, 98 insertions, 29 deletions
diff --git a/common/system.cpp b/common/system.cpp index cd6ee46335..27baea59f9 100644 --- a/common/system.cpp +++ b/common/system.cpp @@ -34,12 +34,16 @@ #include "common/textconsole.h" #include "backends/audiocd/default/default-audiocd.h" +#include "backends/timer/default/default-timer.h" OSystem *g_system = 0; OSystem::OSystem() { _audiocdManager = 0; _eventManager = 0; + _timerManager = 0; + _savefileManager = 0; + _fsFactory = 0; } OSystem::~OSystem() { @@ -48,20 +52,43 @@ OSystem::~OSystem() { delete _eventManager; _eventManager = 0; + + delete _timerManager; + _timerManager = 0; + + delete _savefileManager; + _savefileManager = 0; + + delete _fsFactory; + _fsFactory = 0; } void OSystem::initBackend() { - // Init AudioCD manager + // Init audio CD manager #ifndef DISABLE_DEFAULT_AUDIOCD_MANAGER if (!_audiocdManager) _audiocdManager = new DefaultAudioCDManager(); #endif - if (!_audiocdManager) - error("Backend failed to instantiate AudioCD manager"); - // Verify Event manager has been set + // Verify all managers has been set + if (!_audiocdManager) + error("Backend failed to instantiate audio CD manager"); if (!_eventManager) - error("Backend failed to instantiate Event manager"); + error("Backend failed to instantiate event manager"); + if (!_timerManager) + error("Backend failed to instantiate timer manager"); + + // TODO: We currently don't check _savefileManager, because at least + // on the Nintendo DS, it is possible that none is set. That should + // probably be treated as "saving is not possible". Or else the NDS + // port needs to be changed to always set a _savefileManager +// if (!_savefileManager) +// error("Backend failed to instantiate savefile manager"); + + // TODO: We currently don't check _fsFactory because not all ports + // set it. +// if (!_fsFactory) +// error("Backend failed to instantiate fs factory"); } bool OSystem::setGraphicsMode(const char *name) { @@ -90,6 +117,11 @@ void OSystem::fatalError() { exit(1); } +FilesystemFactory *OSystem::getFilesystemFactory() { + assert(_fsFactory); + return _fsFactory; +} + Common::SeekableReadStream *OSystem::createConfigReadStream() { Common::FSNode file(getDefaultConfigFileName()); return file.createReadStream(); diff --git a/common/system.h b/common/system.h index 780e5fcc7d..0d0ffda1e0 100644 --- a/common/system.h +++ b/common/system.h @@ -98,36 +98,69 @@ protected: protected: /** - * For backend authors only, this pointer may be set by OSystem - * subclasses to an AudioCDManager instance. This is only useful - * if your backend does not want to use the DefaultAudioCDManager. + * @name Module slots * - * This instance is returned by OSystem::getAudioCDManager(), - * and it is deleted by the OSystem destructor. + * For backend authors only, the following pointers (= "slots) to various + * subsystem managers / factories / etc. can and should be set to + * a suitable instance of the respective type. * - * A backend may set this pointer in its initBackend() method, - * its constructor or somewhere in between; but it must - * set it no later than in its initBackend() implementation, because - * OSystem::initBackend() will by default create a DefaultAudioCDManager - * instance if _audiocdManager has not yet been set. + * For some of the slots, a default instance is set if your backend + * does not do so. For details, please look at the documentation of + * each slot. + * + * A backend may setup slot values in its initBackend() method, + * its constructor or somewhere in between. But it must a slot's value + * no later than in its initBackend() implementation, because + * OSystem::initBackend() will create any default instances if + * none has been set yet (and for other slots, will verify that + * one has been set; if not, an error may be generated). */ - AudioCDManager *_audiocdManager; + //@{ /** - * For backend authors only, this pointer may be set by OSystem - * subclasses to an EventManager instance. This is only useful - * if your backend does not want to use the DefaultEventManager. + * If no value is provided for this slot, then OSystem::initBackend() + * will populate it with a DefaultAudioCDManager instance. * - * This instance is returned by OSystem::getEventManager(), - * and it is deleted by the OSystem destructor. + * @note _audiocdManager is deleted by the OSystem destructor. + */ + AudioCDManager *_audiocdManager; + + /** + * No default value is provided for _eventManager by OSystem. + * However, BaseBackend::initBackend() does set a default value + * if none has been set before. * - * A backend may set this pointer in its initBackend() method, - * its constructor or somewhere in between; but it must - * set it no later than in its initBackend() implementation, because - * OSystem::initBackend() will by default create a DefaultEventManager - * instance if _eventManager has not yet been set. + * @note _eventManager is deleted by the OSystem destructor. */ Common::EventManager *_eventManager; + + /** + * No default value is provided for _timerManager by OSystem. + * + * @note _timerManager is deleted by the OSystem destructor. + */ + Common::TimerManager *_timerManager; + + /** + * No default value is provided for _savefileManager by OSystem. + * + * @note _savefileManager is deleted by the OSystem destructor. + */ + Common::SaveFileManager *_savefileManager; + + /** + * No default value is provided for _fsFactory by OSystem. + * + * Note that _fsFactory is typically required very early on, + * so it usually should be set in the backends constructor or shortly + * thereafter, and before initBackend() is called. + * + * @note _fsFactory is deleted by the OSystem destructor. + */ + FilesystemFactory *_fsFactory; + + //@} + public: /** @@ -857,7 +890,9 @@ public: * Return the timer manager singleton. For more information, refer * to the TimerManager documentation. */ - virtual Common::TimerManager *getTimerManager() = 0; + inline Common::TimerManager *getTimerManager() { + return _timerManager; + } /** * Return the event manager singleton. For more information, refer @@ -1007,14 +1042,16 @@ public: * and other modifiable persistent game data. For more information, * refer to the SaveFileManager documentation. */ - virtual Common::SaveFileManager *getSavefileManager() = 0; + inline Common::SaveFileManager *getSavefileManager() { + return _savefileManager; + } /** * Returns the FilesystemFactory object, depending on the current architecture. * * @return the FSNode factory for the current architecture */ - virtual FilesystemFactory *getFilesystemFactory() = 0; + virtual FilesystemFactory *getFilesystemFactory(); /** * Add system specific Common::Archive objects to the given SearchSet. |