CWE-ou-minkata/Sources/Plasma/FeatureLib/pfConditional/plFacingConditionalObject.cpp

/*==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 "hsTypes.h"
#include "plFacingConditionalObject.h"
#include "plgDispatch.h"
#include "pnModifier/plLogicModBase.h"
#include "plMessage/plActivatorMsg.h"
#include "pnSceneObject/plSceneObject.h"
#include "pnSceneObject/plCoordinateInterface.h"
#include "pnKeyedObject/plKey.h"
#include "pnMessage/plNotifyMsg.h"
#include "pnMessage/plFakeOutMsg.h"
#include "pnNetCommon/plNetApp.h"

plFacingConditionalObject::plFacingConditionalObject() :
fTolerance(-1.0f),
fDirectional(false)
{
    SetSatisfied(true);
}

hsBool plFacingConditionalObject::MsgReceive(plMessage* msg)
{
    return plConditionalObject::MsgReceive(msg);
}


void plFacingConditionalObject::Write(hsStream* stream, hsResMgr* mgr)
{
    plConditionalObject::Write(stream, mgr);
    stream->WriteSwap(fTolerance);
    stream->WriteBool(fDirectional);
}

void plFacingConditionalObject::Read(hsStream* stream, hsResMgr* mgr)
{
    plConditionalObject::Read(stream, mgr);
    stream->ReadSwap(&fTolerance);
    fDirectional = stream->ReadBool();
}

hsBool plFacingConditionalObject::Verify(plMessage* msg)
{
    plActivatorMsg* pActivateMsg = plActivatorMsg::ConvertNoRef(msg);
    if (pActivateMsg && pActivateMsg->fHitterObj)
    {   
        plSceneObject* pPlayer = plSceneObject::ConvertNoRef(pActivateMsg->fHitterObj->ObjectIsLoaded());
        if (pPlayer)
        {
            hsVector3 playerView = pPlayer->GetCoordinateInterface()->GetLocalToWorld().GetAxis(hsMatrix44::kView);
            hsVector3 ourView;
            if (fDirectional)
                ourView = fLogicMod->GetTarget()->GetCoordinateInterface()->GetLocalToWorld().GetAxis(hsMatrix44::kView);
            else
            {
                hsVector3 v(fLogicMod->GetTarget()->GetCoordinateInterface()->GetLocalToWorld().GetTranslate() - pPlayer->GetCoordinateInterface()->GetLocalToWorld().GetTranslate());
                ourView = v;
                ourView.Normalize();
            }
            hsScalar dot = playerView * ourView;
            if (dot >= fTolerance)
            {
                fLogicMod->GetNotify()->AddFacingEvent( pActivateMsg->fHitterObj, fLogicMod->GetTarget()->GetKey(), dot, true);
                return true;            
            }
            else
            {
                return false;
            }
        }
    }
    plFakeOutMsg* pFakeMsg = plFakeOutMsg::ConvertNoRef(msg);
    if (pFakeMsg && plNetClientApp::GetInstance()->GetLocalPlayerKey())
    {
        // sanity check
        if (!fLogicMod->GetTarget()->GetCoordinateInterface())
            return false;

        plSceneObject* pPlayer = plSceneObject::ConvertNoRef(plNetClientApp::GetInstance()->GetLocalPlayerKey()->ObjectIsLoaded());
        if (pPlayer)
        {
            hsVector3 playerView = pPlayer->GetCoordinateInterface()->GetLocalToWorld().GetAxis(hsMatrix44::kView);
            hsVector3 ourView;
            if (fDirectional)
                ourView = fLogicMod->GetTarget()->GetCoordinateInterface()->GetLocalToWorld().GetAxis(hsMatrix44::kView);
            else
            {
                hsVector3 v(fLogicMod->GetTarget()->GetCoordinateInterface()->GetLocalToWorld().GetTranslate() - pPlayer->GetCoordinateInterface()->GetLocalToWorld().GetTranslate());
                ourView = v;
                ourView.fZ = playerView.fZ;
                ourView.Normalize();
            }
            hsScalar dot = playerView * ourView;
            if (dot >= fTolerance)
            {
                return true;            
            }
            else
            {
                if (!IsToggle())
                {
                    fLogicMod->GetNotify()->AddFacingEvent( pPlayer->GetKey(), fLogicMod->GetTarget()->GetKey(), dot, false);
                    fLogicMod->RequestUnTrigger();
                    return false;
                }
            }
        }
    }
    return false;
}