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-rw-r--r--common/system.cpp42
-rw-r--r--common/system.h85
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.