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343 lines
11 KiB
343 lines
11 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef PL_NET_MSG_HELPERS_inc |
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#define PL_NET_MSG_HELPERS_inc |
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// |
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// These are not messages per se, but helper classes which are used |
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// in to avoid multiple derivation by net messages. |
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// |
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#include "hsTypes.h" |
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#include "hsUtils.h" |
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#include "hsStream.h" |
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#include "hsStlUtils.h" |
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#include "../pnNetCommon/pnNetCommon.h" |
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#include "../pnFactory/plCreatable.h" |
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#include "../pnKeyedObject/plUoid.h" |
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#include "../pnKeyedObject/plKey.h" |
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#include "../plUnifiedTime/plUnifiedTime.h" |
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#include "../plNetCommon/plClientGuid.h" |
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#include <algorithm> |
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class plKey; |
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class hsStream; |
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//////////////////////////////////////////////////////////////////// |
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// plNetMsgStreamableHelper |
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// Will peek/poke anything derived from hsStreamable |
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class plNetMsgStreamableHelper : public plCreatable |
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{ |
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hsStreamable * fObject; |
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public: |
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plNetMsgStreamableHelper():fObject(nil){} |
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plNetMsgStreamableHelper(hsStreamable * object):fObject(object){} |
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plNetMsgStreamableHelper & operator =(hsStreamable * value); |
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operator hsStreamable *() const { return fObject;} |
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operator const hsStreamable *() const { return fObject;} |
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CLASSNAME_REGISTER( plNetMsgStreamableHelper ); |
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GETINTERFACE_ANY(plNetMsgStreamableHelper, plCreatable); |
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void SetObject(hsStreamable * object) { fObject=object;} |
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hsStreamable * GetObject() const { return fObject;} |
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int Poke(hsStream* stream, UInt32 peekOptions=0); |
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int Peek(hsStream* stream, UInt32 peekOptions=0); |
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}; |
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//////////////////////////////////////////////////////////////////// |
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// plNetMsgCreatableHelper |
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// Will peek/poke anything derived from plCreatable. |
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// Will create the object upon read if it hasn't been set by SetObject(). |
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// When helper goes away, object will be unref-ed if it was created by |
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// the helper, so if you GetObject() and want to keep it longer than the |
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// lifetime of the helper, ref it. |
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class plNetMsgCreatableHelper : public plCreatable |
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{ |
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plCreatable * fCreatable; |
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bool fWeCreatedIt; |
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public: |
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plNetMsgCreatableHelper(plCreatable * object = nil); |
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~plNetMsgCreatableHelper(); |
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plNetMsgCreatableHelper & operator =(plCreatable * value); |
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operator plCreatable*(); |
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operator const plCreatable*(); |
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CLASSNAME_REGISTER( plNetMsgCreatableHelper ); |
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GETINTERFACE_ANY(plNetMsgCreatableHelper, plCreatable); |
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void SetObject(plCreatable * object); |
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plCreatable * GetObject(); |
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int Poke(hsStream* stream, UInt32 peekOptions=0); |
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int Peek(hsStream* stream, UInt32 peekOptions=0); |
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}; |
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//////////////////////////////////////////////////////////////////// |
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// |
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// Net msg helper class for a stream buffer of some type (saveState, voice, plMessage...) |
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// |
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class plNetMsgStreamHelper : public plCreatable |
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{ |
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private: |
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enum ContentsFlags |
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{ |
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kUncompressedSize, |
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kStreamBuf, |
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kStreamLen, |
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kCompressionType, |
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}; |
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protected: |
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UInt32 fUncompressedSize; |
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Int16 fStreamType; // set to creatable type, not read/written, gleaned from creatable stream |
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UInt8* fStreamBuf; |
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UInt32 fStreamLen; |
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UInt8 fCompressionType; // see plNetMessage::CompressionType |
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UInt32 fCompressionThreshold; // NOT WRITTEN |
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void IAllocStream(UInt32 len); |
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public: |
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enum { kDefaultCompressionThreshold = 255 }; // bytes |
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plNetMsgStreamHelper(); |
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virtual ~plNetMsgStreamHelper() { delete [] fStreamBuf; } |
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CLASSNAME_REGISTER( plNetMsgStreamHelper ); |
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GETINTERFACE_ANY(plNetMsgStreamHelper, plCreatable); |
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virtual int Poke(hsStream* stream, UInt32 peekOptions=0); |
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virtual int Peek(hsStream* stream, UInt32 peekOptions=0); |
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// creatable ops |
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virtual void Read(hsStream* s, hsResMgr* mgr) { Peek(s); } |
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virtual void Write(hsStream* s, hsResMgr* mgr) { Poke(s); } |
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void ReadVersion(hsStream* s, hsResMgr* mgr); |
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void WriteVersion(hsStream* s, hsResMgr* mgr); |
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void Clear(); |
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// copiers |
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void CopyFrom(const plNetMsgStreamHelper* other); |
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void CopyStream(hsStream* ssStream); // copies to fStream |
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void CopyStream(Int32 len, const void* buf); // copies to fStream |
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// setters |
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void SetCompressionType(UInt8 t) { fCompressionType=t; } |
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void SetStreamLen(UInt32 l) { fStreamLen=l; } |
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void SetStreamBuf(UInt8* b) { fStreamBuf=b; } |
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void SetUncompressedSize(UInt32 s) { fUncompressedSize=s; } |
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// Getters |
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UInt8 GetCompressionType() const { return fCompressionType; } |
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Int16 GetStreamType() const { return fStreamType; } |
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UInt32 GetStreamLen() const { return fStreamLen; } |
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UInt8* GetStreamBuf() const { return fStreamBuf; } |
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UInt32 GetUncompressedSize() const { return fUncompressedSize; } |
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bool Compress(int offset=2 /* skip 2 bytes as creatable index */ ); |
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bool Uncompress(int offset=2 /* skip 2 bytes as creatable index */ ); |
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bool IsCompressed() const; |
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bool IsCompressable() const; |
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UInt32 GetCompressionThreshold() const { return fCompressionThreshold; } |
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void SetCompressionThreshold( UInt32 v ) { fCompressionThreshold=v; } |
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}; |
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// |
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// Contains info about a scene object |
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// |
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class plNetMsgObjectHelper : public plCreatable |
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{ |
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private: |
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enum ContentFlags |
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{ |
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kObjHelperUoid, |
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}; |
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protected: |
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// string names for debug purposes only |
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plUoid fUoid; |
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// update operator()= fxn when adding new members |
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public: |
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plNetMsgObjectHelper() {} |
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plNetMsgObjectHelper(const plKey key) { SetFromKey(key); } |
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virtual ~plNetMsgObjectHelper() { } |
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CLASSNAME_REGISTER( plNetMsgObjectHelper ); |
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GETINTERFACE_ANY(plNetMsgObjectHelper, plCreatable); |
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virtual int Poke(hsStream* stream, UInt32 peekOptions=0); |
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virtual int Peek(hsStream* stream, UInt32 peekOptions=0); |
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plNetMsgObjectHelper & operator =(const plNetMsgObjectHelper & other); |
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// setters |
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hsBool SetFromKey(const plKey &key); |
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void SetUoid(const plUoid &u) { fUoid=u; } |
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// getters |
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const char* GetObjectName() const { return fUoid.GetObjectName(); } |
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UInt32 GetPageID() const { return fUoid.GetLocation().GetSequenceNumber(); } |
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const plUoid& GetUoid() const { return fUoid; } |
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void ReadVersion(hsStream* s, hsResMgr* mgr); |
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void WriteVersion(hsStream* s, hsResMgr* mgr); |
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}; |
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// |
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// Contains a list of info about scene objects. |
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// |
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class plNetMsgObjectListHelper : public plCreatable |
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{ |
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protected: |
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std::vector<plNetMsgObjectHelper*> fObjects; |
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public: |
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plNetMsgObjectListHelper() {} |
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virtual ~plNetMsgObjectListHelper(); |
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CLASSNAME_REGISTER( plNetMsgObjectListHelper ); |
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GETINTERFACE_ANY(plNetMsgObjectListHelper, plCreatable); |
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virtual int Poke(hsStream* stream, UInt32 peekOptions=0); |
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virtual int Peek(hsStream* stream, UInt32 peekOptions=0); |
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void Reset(); |
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int GetNumObjects() const { return fObjects.size(); } |
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plNetMsgObjectHelper* GetObject(int i) { return fObjects[i]; } |
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void AddObject(plKey key) { fObjects.push_back(TRACKED_NEW plNetMsgObjectHelper(key)); } |
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}; |
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// |
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// Contains a info about a net member. |
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// |
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class plNetMsgMemberInfoHelper : public plCreatable |
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{ |
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protected: |
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UInt32 fFlags; |
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plUoid fAvatarUoid; |
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plClientGuid fClientGuid; |
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public: |
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plNetMsgMemberInfoHelper(); |
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CLASSNAME_REGISTER( plNetMsgMemberInfoHelper ); |
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GETINTERFACE_ANY( plNetMsgMemberInfoHelper, plCreatable); |
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virtual int Poke(hsStream* stream, UInt32 peekOptions=0); |
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virtual int Peek(hsStream* stream, UInt32 peekOptions=0); |
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const plClientGuid * GetClientGuid() const { return &fClientGuid; } |
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plClientGuid * GetClientGuid() { return &fClientGuid; } |
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UInt32 GetFlags() const { return fFlags; } |
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plUoid GetAvatarUoid() const { return fAvatarUoid; } |
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void SetFlags(UInt32 v) { fFlags=v; } |
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void SetAvatarUoid(plUoid u) { fAvatarUoid=u; } |
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}; |
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// |
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// Contains a info about a list of net members. |
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// This is sent from server to client. |
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// |
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class plNetMsgMemberListHelper : public plCreatable |
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{ |
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public: |
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typedef std::vector<plNetMsgMemberInfoHelper*> MemberInfoHelperVec; |
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struct MatchesPlayerID |
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{ |
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UInt32 fID; |
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MatchesPlayerID( UInt32 id ): fID( id ){} |
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bool operator()( const plNetMsgMemberInfoHelper * mbr ) const |
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{ |
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return ( mbr && mbr->GetClientGuid()->GetPlayerID()==fID ); |
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} |
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}; |
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protected: |
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MemberInfoHelperVec fMembers; |
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public: |
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plNetMsgMemberListHelper() {} |
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virtual ~plNetMsgMemberListHelper(); |
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CLASSNAME_REGISTER( plNetMsgMemberListHelper ); |
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GETINTERFACE_ANY( plNetMsgMemberListHelper, plCreatable); |
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virtual int Poke(hsStream* stream, UInt32 peekOptions=0); |
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virtual int Peek(hsStream* stream, UInt32 peekOptions=0); |
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int GetNumMembers() const { return fMembers.size(); } |
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const plNetMsgMemberInfoHelper* GetMember(int i) const { return fMembers[i]; } |
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void AddMember(plNetMsgMemberInfoHelper* a) { fMembers.push_back(a); } |
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const MemberInfoHelperVec * GetMembers() const { return &fMembers;} |
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}; |
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///////////////////////////////////////////////////////////////// |
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// |
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// Contains a list of other players (members). |
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// This is commonly used to route p2p msgs to groups of players. |
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// Sent client to server. |
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// |
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class plNetMsgReceiversListHelper : public plCreatable |
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{ |
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protected: |
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std::vector<UInt32> fPlayerIDList; |
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public: |
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plNetMsgReceiversListHelper() {} |
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virtual ~plNetMsgReceiversListHelper() {} |
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CLASSNAME_REGISTER( plNetMsgReceiversListHelper ); |
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GETINTERFACE_ANY( plNetMsgReceiversListHelper, plCreatable); |
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virtual int Poke(hsStream* stream, UInt32 peekOptions=0); |
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virtual int Peek(hsStream* stream, UInt32 peekOptions=0); |
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void Clear() { fPlayerIDList.clear(); } |
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int GetNumReceivers() const { return fPlayerIDList.size(); } |
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UInt32 GetReceiverPlayerID(int i) const { return fPlayerIDList[i]; } |
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void AddReceiverPlayerID(UInt32 a) { fPlayerIDList.push_back(a); } |
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bool RemoveReceiverPlayerID(UInt32 n); // returns true if found and removed |
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}; |
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#endif // PL_NET_MSG__HELPERS_inc |
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