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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 plRenderRequestMsg_inc
#define plRenderRequestMsg_inc
#include "pnMessage/plMessage.h"
#include "hsRefCnt.h"
class plRenderRequest;
class hsStream;
class hsResMgr;
// This is a little StoneAge, using the old HeadSpin ref count here.
// It's a perfect spot for a smart pointer, but we ain't got none.
//
// Basic issue is that we hand a pointer to this request off to the
// client (via the plRenderRequestMsg), who will at some later point this frame
// hand it to the pipeline to be processed. So if I want to hand it off and
// forget about it, the client needs to delete it. If I want to reuse it every
// frame and destroy it when I'm done, I need to delete it. Sounds just like
// a smart pointer, or for the cro-magnons a RefCnt.
class plRenderRequestBase : public hsRefCnt
{
};
class plRenderRequestMsg : public plMessage
{
protected:
plRenderRequestBase* fReq;
public:
// Argumentless constructor useless (except for compiling).
plRenderRequestMsg();
// non-nil sender will get an ack when render is "done".
plRenderRequestMsg(plKey sender, plRenderRequestBase* req);
virtual ~plRenderRequestMsg();
CLASSNAME_REGISTER( plRenderRequestMsg );
GETINTERFACE_ANY( plRenderRequestMsg, plMessage );
// These aren't really implemented. Read/Write/Transmission of
// these messages doesn't currently make sense.
virtual void Read(hsStream* stream, hsResMgr* mgr);
virtual void Write(hsStream* stream, hsResMgr* mgr);
plRenderRequest* Request() const { return (plRenderRequest*)fReq; }
};
class plRenderRequestAck: public plMessage
{
protected:
UInt32 fUserData;
UInt32 fNumDrawn; // number of objects drawn.
public:
// Argumentless constructor useless (except for compiling).
plRenderRequestAck();
plRenderRequestAck(plKey r, UInt32 userData=0);
~plRenderRequestAck() {}
CLASSNAME_REGISTER( plRenderRequestAck );
GETINTERFACE_ANY( plRenderRequestAck, plMessage );
void SetNumDrawn(UInt32 n) { fNumDrawn = n; }
UInt32 GetNumDrawn() const { return fNumDrawn; }
// These aren't really implemented. Read/Write/Transmission of
// these messages doesn't currently make sense.
virtual void Read(hsStream* stream, hsResMgr* mgr);
virtual void Write(hsStream* stream, hsResMgr* mgr);
};
#endif // plRenderRequestMsg_inc