/*==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==*/
#include "hsResMgr.h"
#include "plMessageWithCallbacks.h"
#include "plEventCallbackMsg.h"
#include "pnNetCommon/plSynchedObject.h"
#include "plgDispatch.h"
#include "hsBitVector.h"

plMessageWithCallbacks::~plMessageWithCallbacks()
{
    Clear();
}

void plMessageWithCallbacks::AddCallback(plMessage* e) 
{ 
    hsRefCnt_SafeRef(e); 

    // make sure callback msgs have the same net propagate properties as the container msg
    e->SetBCastFlag(plMessage::kNetPropagate, HasBCastFlag(plMessage::kNetPropagate));

    fCallbacks.Append(e); 
}

void plMessageWithCallbacks::Read(hsStream* stream, hsResMgr* mgr)
{
    plMessage::IMsgRead(stream, mgr);
    
    Clear();

    // read count
    int n = stream->ReadSwap32();
    fCallbacks.SetCount(n);

    // read callbacks
    int i;
    for( i = 0; i < n; i++ )
    {
        fCallbacks[i] = plMessage::ConvertNoRef(mgr->ReadCreatable(stream));
    }
}

void plMessageWithCallbacks::Write(hsStream* stream, hsResMgr* mgr)
{
    plMessage::IMsgWrite(stream, mgr);

    // write count
    int n=fCallbacks.GetCount();
    stream->WriteSwap32(n);

    // write callbacks
    int i;
    for( i = 0; i < fCallbacks.GetCount(); i++ )
        mgr->WriteCreatable( stream, fCallbacks[i] );
}

enum MsgWithCallbacksFlags
{
    kMsgWithCBsCallbacks,
};

void plMessageWithCallbacks::ReadVersion(hsStream* s, hsResMgr* mgr)
{
    plMessage::IMsgReadVersion(s, mgr);

    Clear();

    hsBitVector contentFlags;
    contentFlags.Read(s);

    if (contentFlags.IsBitSet(kMsgWithCBsCallbacks))
    {
        // read count
        int n = s->ReadSwap32();
        fCallbacks.SetCount(n);

        for (int i = 0; i < n; i++)
            fCallbacks[i] = plMessage::ConvertNoRef(mgr->ReadCreatableVersion(s));
    }
}

void plMessageWithCallbacks::WriteVersion(hsStream* s, hsResMgr* mgr)
{
    plMessage::IMsgWriteVersion(s, mgr);

    hsBitVector contentFlags;
    contentFlags.SetBit(kMsgWithCBsCallbacks);
    contentFlags.Write(s);

    // write count
    int n = fCallbacks.GetCount();
    s->WriteSwap32(n);

    // write callbacks
    for (int i = 0; i < n; i++)
        mgr->WriteCreatableVersion(s, fCallbacks[i]);
}

void plMessageWithCallbacks::Clear() 
{ 
    int i;
    for( i = 0; i < fCallbacks.GetCount(); i++ )
        hsRefCnt_SafeUnRef(fCallbacks[i]);
    fCallbacks.SetCount(0);
}

void plMessageWithCallbacks::SendCallbacks()
{
    int i;
    for (i = fCallbacks.GetCount() - 1; i >= 0; i--)
    {
        plgDispatch::MsgSend(fCallbacks[i]);
        fCallbacks.Remove(i);
    }
}