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/*==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 hsResMgr_inc
#define hsResMgr_inc
#include "hsTypes.h"
#include "hsRefCnt.h"
#include "plLoadMask.h"
#include "plRefFlags.h"
#include "../pnKeyedObject/plKey.h"
class hsStream;
class plKeyImp;
class hsKeyedObject;
class plRefMsg;
class plUoid;
class plLocation;
class plCreatable;
class plDispatchBase;
class hsResMgr : public hsRefCnt
{
public:
//---------------------------
// Load and Unload
//---------------------------
virtual void Load (const plKey& objKey)=0; // places on list to be loaded
virtual hsBool Unload(const plKey& objKey)=0; // Unregisters (deletes) an object, Return true if successful
virtual plKey CloneKey(const plKey& objKey)=0;
//---------------------------
// Finding Functions
//---------------------------
virtual plKey FindKey(const plUoid& uoid)=0;
//---------------------------
// Establish reference linkage
//---------------------------
virtual hsBool AddViaNotify(const plKey& sentKey, plRefMsg* msg, plRefFlags::Type flags)=0;
virtual hsBool AddViaNotify(plRefMsg* msg, plRefFlags::Type flags)=0; // msg->fRef->GetKey() == sentKey
virtual hsBool SendRef(const plKey& key, plRefMsg* refMsg, plRefFlags::Type flags)=0;
virtual hsBool SendRef(hsKeyedObject* ko, plRefMsg* refMsg, plRefFlags::Type flags)=0;
//---------------------------
// Reading and Writing keys
//---------------------------
// Read a Key in, and Notify me when the Object is loaded
virtual plKey ReadKeyNotifyMe(hsStream* s, plRefMsg* retMsg, plRefFlags::Type flags)=0;
// Just read the Key data in and find a match in the registry and return it.
virtual plKey ReadKey(hsStream* s)=0;
// For convenience you can write a key using the KeyedObject or the Key...same result
virtual void WriteKey(hsStream* s, hsKeyedObject* obj)=0;
virtual void WriteKey(hsStream* s, const plKey& key)=0;
//---------------------------
// Reading and Writing Objects directly
//---------------------------
virtual plCreatable* ReadCreatable(hsStream* s)=0;
virtual void WriteCreatable(hsStream* s, plCreatable* cre)=0;
virtual plCreatable* ReadCreatableVersion(hsStream* s)=0;
virtual void WriteCreatableVersion(hsStream* s, plCreatable* cre)=0;
//---------------------------
// Registry Modification Functions
//---------------------------
virtual plKey NewKey(const char* name, hsKeyedObject* object, const plLocation& loc, const plLoadMask& m = plLoadMask::kAlways)=0;
virtual plKey NewKey(plUoid& newUoid, hsKeyedObject* object)=0;
virtual plDispatchBase* Dispatch()=0;
virtual void BeginShutdown() {}
protected:
friend class hsKeyedObject;
friend class plKey;
friend class plKeyImp;
friend class plArmatureMod; // Temp hack until a findkey/clone issue is fixed. -Bob
virtual plKey ReRegister(const char *nm, const plUoid& oid)=0;
virtual hsBool ReadObject(plKeyImp* key)=0; // plKeys call this when needed
// Sets a key as used or unused in the registry. When all keys in a page of a
// particular type in an page are unused, we can free the memory associated with them.
// Only called by plKeyImp
virtual void IKeyReffed(plKeyImp* key)=0;
virtual void IKeyUnreffed(plKeyImp* key)=0;
protected: // hsgResMgr only
friend class hsgResMgr;
virtual hsBool IReset()=0;
virtual hsBool IInit()=0;
virtual void IShutdown()=0;
};
class hsgResMgr
{
private:
static hsResMgr* fResMgr;
public:
static hsResMgr* ResMgr() { return (hsResMgr*)fResMgr; }
static plDispatchBase* Dispatch() { hsAssert(fResMgr, "No resmgr"); return fResMgr->Dispatch(); }
static hsBool Init(hsResMgr* m);
static hsBool Reset() { return fResMgr->IReset(); }
static void Shutdown();
static hsBool SendRef(plKey& key, plRefMsg* refMsg, plRefFlags::Type flags) { return fResMgr->SendRef(key, refMsg, flags); }
static hsBool SendRef(hsKeyedObject* ko, plRefMsg* refMsg, plRefFlags::Type flags) { return fResMgr->SendRef(ko, refMsg, flags); }
};
#endif // hsResMgr_inc