CWE-ou-minkata/Sources/Plasma/NucleusLib/pnModifier/plLogicModBase.cpp

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*==LICENSE==*/
#include "HeadSpin.h"
#include "plLogicModBase.h"
#include "plgDispatch.h"
#include "hsResMgr.h"
#include "hsTimer.h"
#include "pnSceneObject/plSceneObject.h"
#include "pnNetCommon/plGenericVar.h"
#include "pnNetCommon/plNetApp.h"
#include "pnNetCommon/plNetSharedState.h"
#include "plNetMessage/plNetMessage.h"  // breaks project dependancy levels
#include "pnMessage/plNotifyMsg.h"
#include "pnMessage/plEnableMsg.h"
#include "pnMessage/plServerReplyMsg.h"

void plLogicModBase::ConsoleTrigger(plKey playerKey)
{
    // Setup the event data in case this is a OneShot responder that needs it
    proPickedEventData *ed = 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 = 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_t 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 = 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());
}

bool plLogicModBase::MsgReceive(plMessage* msg)
{
    // read messages:
    plServerReplyMsg* pSMsg = plServerReplyMsg::ConvertNoRef(msg);
    if (pSMsg)
    {
        hsAssert(pSMsg->GetType() != plServerReplyMsg::kUnInit, "uninit server reply msg");

#if 1
        plNetClientApp::GetInstance()->DebugMsg("LM: LogicModifier %s recvd trigger request reply:%s, wasRequesting=%d, t=%f\n",
            GetKeyName().c_str(),
            pSMsg->GetType() == plServerReplyMsg::kDeny ? "denied" : "confirmed", 
            HasFlag(kRequestingTrigger), hsTimer::GetSysSeconds());
#endif

        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 */);
        }
        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::RequestTrigger(bool netRequest)
{
    if (HasFlag(kTriggered))
    {
#if 1
        plNetClientApp::GetInstance()->DebugMsg("LM: %s ignoring RequestTrigger(), already triggered, t=%f\n",
            GetKeyName().c_str(), hsTimer::GetSysSeconds());
#endif
        return;
    }

    if (HasFlag(kRequestingTrigger))
    {
#if 1
        plNetClientApp::GetInstance()->DebugMsg("LM: %s ignoring RequestTrigger(), already requesting trigger, t=%f\n",
            GetKeyName().c_str(), hsTimer::GetSysSeconds());
#endif

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

#if 1
        plNetClientApp::GetInstance()->DebugMsg("LM: %s Setting RequestingTriggert=%f\n",
            GetKeyName().c_str(), hsTimer::GetSysSeconds());
#endif

    }
}

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

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

    Trigger(netRequest);
}

void plLogicModBase::Trigger(bool netRequest)
{
#if 1
    plNetClientApp::GetInstance()->DebugMsg("LogicModifier %s is triggering, activatorType=%d\n",
        GetKeyName().c_str(), HasFlag(kTypeActivator));
#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().c_str(), 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 = 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->ReadLE32();
    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->WriteLE32(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);
}