/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plResManager_h_inc
#define plResManager_h_inc
#include "hsResMgr.h"
#include <set>
#include <map>
#include <vector>
class plRegistryPageNode;
class plRegistryKeyIterator;
class plRegistryPageIterator;
class plRegistryDataStream;
class plResAgeHolder;
class plResManagerHelper;
class plDispatch;
// plProgressProc is a proc called every time an object loads, to keep a progress bar for
// loading ages up-to-date.
typedef void(*plProgressProc)(plKey key);
class plResManager : public hsResMgr
{
public:
plResManager();
virtual ~plResManager();
// If the ResManager has already been initialized, you should call Reset after setting this
void SetDataPath(const char* path) { fDataPath = path; }
// Mainly for external tools.
void AddSinglePage(const char* path);
plRegistryPageNode* FindSinglePage(const char* path) const;
void RemoveSinglePage(const char* path);
//---------------------------
// Load and Unload
//---------------------------
virtual void Load (const plKey& objKey); // places on list to be loaded
virtual hsBool Unload(const plKey& objKey); // Unregisters (deletes) an object, Return true if successful
virtual plKey CloneKey(const plKey& objKey);
//---------------------------
// Finding Functions
//---------------------------
plKey FindOriginalKey(const plUoid&);
virtual plKey FindKey(const plUoid&); // Same as above, but will check the uoid for clones
const plLocation& FindLocation(const char* age, const char* page) const;
// Use nil for any strings you don't need
const void GetLocationStrings(const plLocation& loc, char* ageBuffer, char* pageBuffer) const;
//---------------------------
// Establish reference linkage
//---------------------------
virtual hsBool AddViaNotify(const plKey& key, plRefMsg* msg, plRefFlags::Type flags);
virtual hsBool AddViaNotify(plRefMsg* msg, plRefFlags::Type flags); // msg->fRef->GetKey() == sentKey
virtual hsBool SendRef(const plKey& key, plRefMsg* refMsg, plRefFlags::Type flags);
virtual hsBool SendRef(hsKeyedObject* ko, plRefMsg* refMsg, plRefFlags::Type flags);
//---------------------------
// Reding and Writing keys
//---------------------------
// Read a Key in, and Notify me when the Object is loaded
virtual plKey ReadKeyNotifyMe(hsStream* stream, plRefMsg* retMsg, plRefFlags::Type flags);
// Just read the Key data in and find a match in the registry and return it.
virtual plKey ReadKey(hsStream* stream);
// For convenience you can write a key using the KeyedObject or the Key...same result
virtual void WriteKey(hsStream* s, hsKeyedObject* obj);
virtual void WriteKey(hsStream* s, const plKey& key);
//---------------------------
// Reding and Writing Objects directly
//---------------------------
virtual plCreatable* ReadCreatable(hsStream* s);
virtual void WriteCreatable(hsStream* s, plCreatable* cre);
virtual plCreatable* ReadCreatableVersion(hsStream* s);
virtual void WriteCreatableVersion(hsStream* s, plCreatable* cre);
//---------------------------
// Registry Modification Functions
//---------------------------
virtual plKey NewKey(const char* name, hsKeyedObject* object, const plLocation& loc, const plLoadMask& m = plLoadMask::kAlways);
virtual plKey NewKey(plUoid& newUoid, hsKeyedObject* object);
virtual plDispatchBase* Dispatch();
virtual void SetProgressBarProc(plProgressProc proc);
//---------------------------
// Load optimizations
//---------------------------
void LoadAgeKeys(const char* age);
void DropAgeKeys(const char* age);
void PageInRoom(const plLocation& page, UInt16 objClassToRef, plRefMsg* refMsg);
void PageInAge(const char* age);
// Usually, a page file is kept open during load because the first keyed object
// read causes all the other objects to be read before it returns. In some
// cases though (mostly just the texture file), this doesn't work. In that
// case, we just want to force it to stay open until we're done reading the age.
void KeepPageOpen(const plLocation& page, hsBool keepOpen);
// We're on the way down, act accordingly.
virtual void BeginShutdown();
// Determines whether the time to read each object is dumped to a log
void LogReadTimes(hsBool logReadTimes);
// All keys version
hsBool IterateKeys(plRegistryKeyIterator* iterator);
// Single page version
hsBool IterateKeys(plRegistryKeyIterator* iterator, const plLocation& pageToRestrictTo);
// Iterate through loaded pages
hsBool IteratePages(plRegistryPageIterator* iterator, const char* ageToRestrictTo = nil);
// Iterate through ALL pages, loaded or not
hsBool IterateAllPages(plRegistryPageIterator* iterator);
// Helpers for key iterators
void LoadPageKeys(plRegistryPageNode* pageNode);
void UnloadPageObjects(plRegistryPageNode* pageNode, UInt16 classIndexHint);
void DumpUnusedKeys(plRegistryPageNode* page) const;
plRegistryPageNode* FindPage(const plLocation& location) const;
plRegistryPageNode* FindPage(const char* age, const char* page) const;
// Runs through all the pages and verifies that the data versions are good
hsBool VerifyPages();
protected:
friend class hsKeyedObject;
friend class plKeyImp;
friend class plResManagerHelper;
virtual plKey ReRegister(const char* nm, const plUoid& uoid);
virtual hsBool ReadObject(plKeyImp* key); // plKeys call this when needed
virtual hsBool IReadObject(plKeyImp* pKey, hsStream *stream);
plCreatable* IReadCreatable(hsStream* s) const;
plKey ICloneKey(const plUoid& objUoid, UInt32 playerID, UInt32 cloneID);
virtual void IKeyReffed(plKeyImp* key);
virtual void IKeyUnreffed(plKeyImp* key);
virtual hsBool IReset();
virtual hsBool IInit();
virtual void IShutdown();
void IPageOutSceneNodes(hsBool forceAll);
void IDropAllAgeKeys();
hsKeyedObject* IGetSharedObject(plKeyImp* pKey);
void IUnloadPageKeys(plRegistryPageNode* pageNode, hsBool dontClear = false);
hsBool IDeleteBadPages(hsTArray<plRegistryPageNode*>& invalidPages, hsBool conflictingSeqNums);
hsBool IWarnNewerPages(hsTArray<plRegistryPageNode*>& newerPages);
void ILockPages();
void IUnlockPages();
void AddPage(plRegistryPageNode* page);
// Adds a key to the registry. Assumes uoid already set
void AddKey(plKeyImp* key);
plRegistryPageNode* CreatePage(const plLocation& location, const char* age, const char* page);
hsBool fInited;
UInt16 fPageOutHint;
// True if we're reading in an object. We only read one object at a time
hsBool fReadingObject;
std::vector<plKey> fQueuedReads;
std::string fDataPath;
plDispatch* fDispatch;
UInt32 fCurCloneID; // Current clone ID. If it isn't zero, we're cloning
UInt32 fCurClonePlayerID;
UInt32 fCloningCounter; // Next clone ID to use.
typedef std::map<std::string,plResAgeHolder*> HeldAgeKeyMap;
HeldAgeKeyMap fHeldAgeKeys;
plProgressProc fProgressProc;
plResManagerHelper *fMyHelper;
hsBool fLogReadTimes;
UInt8 fPageListLock; // Number of locks on the page lists. If it's greater than zero, they can't be modified
hsBool fPagesNeedCleanup; // True if something modified the page lists while they were locked.
typedef std::set<plRegistryPageNode*> PageSet;
PageSet fAllPages; // All the pages, loaded or not
PageSet fLoadedPages; // Just the loaded pages
mutable plRegistryPageNode* fLastFoundPage;
};
#endif // plResManager_h_inc