/*==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/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

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 "hsTypes.h"
#include "plLogicModBase.h"
#include "plgDispatch.h"
#include "hsResMgr.h"
#include "hsTimer.h"
#include "../pnTimer/plTimerCallbackManager.h"
#include "../pnSceneObject/plSceneObject.h"
#include "../pnNetCommon/plGenericVar.h"
#include "../pnNetCommon/plNetApp.h"
#include "../pnNetCommon/plNetSharedState.h"
#include "../../PubUtilLib/plNetMessage/plNetMessage.h"	// breaks project dependancy levels
#include "../pnMessage/plNotifyMsg.h"
#include "../pnMessage/plEnableMsg.h"
#include "../pnMessage/plServerReplyMsg.h"

uint32_t plLogicModBase::sArbitrationDelayMs = 0;

void plLogicModBase::ConsoleTrigger(plKey playerKey)
{
	// Setup the event data in case this is a OneShot responder that needs it
	proPickedEventData *ed = TRACKED_NEW proPickedEventData;
	ed->fPicker = playerKey;
	ed->fPicked = nil;
	fNotify->AddEvent(ed);

	Trigger(false);

	// Whoops, trigger and untrigger use the same message, so if we do this right away
	// it will just untrigger twice.  So...uhh, we don't untrigger!
//	UnTrigger();
}

void plLogicModBase::ConsoleRequestTrigger()
{
	RequestTrigger();
}

plLogicModBase::plLogicModBase() :
fCounter(0),
fCounterLimit(0),
fTimer(0.0f),
fNotify(nil),
fDisabled(false)
{
	fNotify = TRACKED_NEW plNotifyMsg;
}

plLogicModBase::~plLogicModBase()
{
	int i;
	for (i = 0; i < fCommandList.Count(); i++ )
	{
		hsRefCnt_SafeUnRef(fCommandList[i]);
	}

	hsRefCnt_SafeUnRef(fNotify);
}

void plLogicModBase::AddTarget(plSceneObject* so)
{
	plSingleModifier::AddTarget(so);
}

void plLogicModBase::RegisterForMessageType(UInt16 hClass)
{
	plgDispatch::Dispatch()->RegisterForExactType( hClass, GetKey() ); 
}

//
// Update generic shared state (which reflects trigger state) on server 
// by sending TestAndSet request.  By locking and unlocking the sharedState,
// we can guarantee that only one logicMod instance can trigger at a time.
// The server will confirm or deny our request to lock and set the state.
//
void plLogicModBase::IUpdateSharedState(bool triggered) const
{
	plNetSharedState ss("TrigState");
	plGenericVar* sv = TRACKED_NEW plGenericVar("Triggered");
	sv->Value().SetBool(triggered);	// attempting to set trig state to true
	ss.AddVar(sv);
	
	bool lock = triggered;

	// if unlocking, then the server does not need to store this state, since it's back to its default state
	ss.SetServerMayDelete(!lock);		

	plNetMsgTestAndSet ts;
	ts.SetNetProtocol(kNetProtocolCli2Game);
	ts.CopySharedState(&ss);
	ts.ObjectInfo()->SetFromKey(GetKey());
	ts.SetLockRequest(lock);		// if triggering, lock state, else unlock state
	plNetClientApp::GetInstance()->SendMsg(&ts);
	plNetClientApp::GetInstance()->DebugMsg("\tLM: Attempting to set logic mod shared lock to %s, t=%f\n", 
		triggered ? "Triggered" : "UnTriggered", hsTimer::GetSysSeconds());
}

hsBool plLogicModBase::MsgReceive(plMessage* msg)
{
	// read messages:
	plServerReplyMsg* pSMsg = plServerReplyMsg::ConvertNoRef(msg);
	if (pSMsg)
	{
		if (sArbitrationDelayMs == 0 || pSMsg->GetWasDelayed()) {
			IHandleArbitration(pSMsg);
		} else {
			pSMsg->SetWasDelayed(true);
			pSMsg->Ref(); // timer callback manager steals this reference
			plgTimerCallbackMgr::NewTimer(static_cast<float>(sArbitrationDelayMs) / 1000, pSMsg);
		}
		return true;
	}

	plEnableMsg* pEnable = plEnableMsg::ConvertNoRef(msg);
	if (pEnable)
	{
		if (pEnable->Cmd(plEnableMsg::kDisable))
			fDisabled = true;
		else
		if (pEnable->Cmd(plEnableMsg::kEnable))
		{
			ClearFlag(kTriggered);
			ClearFlag(kRequestingTrigger);

			fDisabled = false;
		}
		return true;
	}

	return plSingleModifier::MsgReceive(msg);
}

void plLogicModBase::IHandleArbitration(plServerReplyMsg* pSMsg)
{
	hsAssert(pSMsg->GetType() != plServerReplyMsg::kUnInit, "uninit server reply msg");

	plNetClientApp::GetInstance()->DebugMsg("LM: LogicModifier %s recvd trigger request reply:%s, wasRequesting=%d, t=%f\n",
											GetKeyName(),
											pSMsg->GetType() == plServerReplyMsg::kDeny ? "denied" : "confirmed",
											HasFlag(kRequestingTrigger), hsTimer::GetSysSeconds());

	if (pSMsg->GetType() == plServerReplyMsg::kDeny) {
		if (HasFlag(kRequestingTrigger)) {
			plNetClientApp::GetInstance()->DebugMsg("\tLM: Denied, clearing requestingTrigger");
			ClearFlag(kRequestingTrigger);
		} else {
			plNetClientApp::GetInstance()->DebugMsg("\tLM: Denied, but not requesting?");
		}
	} else {
		bool netRequest=false;    // we're triggering as a result of a local activation
		PreTrigger(netRequest);
		IUpdateSharedState(false /* untriggering */);
	}
}

void plLogicModBase::RequestTrigger(hsBool netRequest)
{
	if (HasFlag(kTriggered))
	{
#if 1
		char str[256];
		sprintf(str, "LM: %s ignoring RequestTrigger(), already triggered, t=%f\n", GetKeyName(),
			hsTimer::GetSysSeconds());
		plNetClientApp::GetInstance()->DebugMsg(str);
#endif
		return;
	}
	
	if (HasFlag(kRequestingTrigger))
	{
#if 1
		char str[256];
		sprintf(str, "LM: %s ignoring RequestTrigger(), already requesting trigger, t=%f\n", GetKeyName(),
			hsTimer::GetSysSeconds());
		plNetClientApp::GetInstance()->DebugMsg(str);
#endif

		return;
	}
	if ( plNetApp::GetInstance()->GetFlagsBit(plNetClientApp::kLocalTriggers))
	{
		PreTrigger(false);
	}
	else
	{
		IUpdateSharedState(true /* triggering */);	// request arbitration from server
		SetFlag(kRequestingTrigger);

#if 1
		char str[256];
		sprintf(str, "LM: %s Setting RequestingTriggert=%f\n", GetKeyName(), hsTimer::GetSysSeconds());
		plNetClientApp::GetInstance()->DebugMsg(str);
#endif

	}
}

//
// return false is counter test fails
//
hsBool plLogicModBase::IEvalCounter()
{
	if (fCounterLimit > 0)
	{	
		fCounter = fCounter + 1;
		if (fCounter != fCounterLimit)
		{
			Reset(false);
			return false;
		}	
	}
	return true;
}

void plLogicModBase::PreTrigger(hsBool netRequest)
{
	if (fDisabled)
		return;

	Trigger(netRequest);
}

void plLogicModBase::Trigger(hsBool netRequest)
{
#if 1
	char str[256];
	sprintf(str, "LogicModifier %s is triggering, activatorType=%d\n", 
		GetKeyName(), HasFlag(kTypeActivator));
	plNetClientApp::GetInstance()->DebugMsg(str);
#endif
	
	ClearFlag(kRequestingTrigger);
	if (!HasFlag(kMultiTrigger))
		SetFlag(kTriggered);
	fNotify->SetSender(this->GetKey());
	fNotify->SetState(1.0f);
	fNotify->AddActivateEvent(true);
//	hsRefCnt_SafeRef(fNotify);
	plgDispatch::MsgSend( fNotify );
	CreateNotifyMsg();
	if (HasFlag(kOneShot))
		fDisabled = true;
}

void plLogicModBase::UnTrigger()
{
	if (!HasFlag(kTriggered))
		return;

#ifdef HS_DEBUGGING
	char str[256];
	sprintf(str, "LogicModifier %s is Un-triggering, activatorType=%d\n", 
		GetKeyName(), HasFlag(kTypeActivator));
	plNetClientApp::GetInstance()->DebugMsg(str);
#endif
	fNotify->SetSender(this->GetKey());
	fNotify->SetState(0.0f);
	fNotify->AddActivateEvent(false);
//	hsRefCnt_SafeRef(fNotify);
	plgDispatch::MsgSend( fNotify );
	CreateNotifyMsg();
	Reset(true);
}

void plLogicModBase::Reset(bool bCounterReset)
{
	ClearFlag(kTriggered);
	if (bCounterReset)
		fCounter = 0;
}

void plLogicModBase::CreateNotifyMsg()
{	
	fNotify = TRACKED_NEW plNotifyMsg;
	for (int i = 0; i < fReceiverList.Count(); i++)
		fNotify->AddReceiver(fReceiverList[i]);
}

void plLogicModBase::AddNotifyReceiver(plKey receiver)
{
	fReceiverList.Append(receiver);
	fNotify->AddReceiver(receiver);
}

void plLogicModBase::Read(hsStream* stream, hsResMgr* mgr)
{
	plSingleModifier::Read(stream, mgr);
	int n = stream->ReadSwap32();
	fCommandList.SetCountAndZero(n);
	for(int i = 0; i < n; i++ )
	{	
		plMessage* pMsg =  plMessage::ConvertNoRef(mgr->ReadCreatable(stream));
		fCommandList[i] = pMsg;
	}
	if (fNotify)
		delete fNotify;
	plNotifyMsg* pNMsg =  plNotifyMsg::ConvertNoRef(mgr->ReadCreatable(stream));
	fNotify = pNMsg;

	fFlags.Read(stream);
	fDisabled = stream->Readbool();
	for (int d = 0; d < fNotify->GetNumReceivers(); d++)
		fReceiverList.Append(fNotify->GetReceiver(d));
}

void plLogicModBase::Write(hsStream* stream, hsResMgr* mgr)
{
	plSingleModifier::Write(stream, mgr);
	stream->WriteSwap32(fCommandList.GetCount());
	for(int i = 0; i < fCommandList.GetCount(); i++ )
		mgr->WriteCreatable( stream, fCommandList[i] );
	mgr->WriteCreatable( stream, fNotify );
	fFlags.Write(stream);
	stream->Writebool(fDisabled);
}



/////////////////////////////////////////////////////////////////////////////////////////////////
//
//	 Maintainers Marker Component
//
//
#if 0
#include "../plModifier/plMaintainersMarkerModifier.h"

//Class that accesses the paramblock below.
class plMaintainersMarkerComponent : public plComponent
{
public:
	plMaintainersMarkerComponent();
	void DeleteThis() { delete this; }
	hsBool SetupProperties(plMaxNode* node, plErrorMsg* pErrMsg);
	hsBool PreConvert(plMaxNode *pNode, plErrorMsg *pErrMsg);
	hsBool Convert(plMaxNode *node, plErrorMsg *pErrMsg);
};

//Max desc stuff necessary.
CLASS_DESC(plMaintainersMarkerComponent, gMaintainersDesc, "Maintainers Marker",  "MaintainersMarker", COMP_TYPE_TYPE, Class_ID(0x7d7f1f72, 0x405355f5))

//The MAX paramblock stuff below
ParamBlockDesc2 gMaintainersBk
(
	1, _T("maintainersMarker"), 0, &gMaintainersDesc, P_AUTO_CONSTRUCT, plComponent::kRefComp,
	end
);

plMaintainersMarkerComponent::plMaintainersMarkerComponent()
{
	fClassDesc = &gMaintainersDesc;
	fClassDesc->MakeAutoParamBlocks(this);
}

hsBool plMaintainersMarkerComponent::SetupProperties(plMaxNode* node, plErrorMsg* pErrMsg)
{
	node->SetForceLocal(true);
	return true;
}
hsBool plMaintainersMarkerComponent::Convert(plMaxNode *node, plErrorMsg *pErrMsg)
{
	plMaintainersMarkerModifier* pSpawn = TRACKED_NEW plMaintainersMarkerModifier;
	node->AddModifier(pSpawn);
	return true;
}

hsBool plMaintainersMarkerComponent::PreConvert(plMaxNode *pNode, plErrorMsg *pErrMsg)
{
	return true;
}
#endif