/*==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 plSittingModifier_inc
#define plSittingModifier_inc

/////////////////////////////////////////////////////////////////////////////////////////
//
// INCLUDES
//
/////////////////////////////////////////////////////////////////////////////////////////

#include "pnModifier/plSingleModifier.h"    // base class
#include "pnKeyedobject/plKey.h"            // for the notification keys
#include "hsTemplates.h"                    // for the array they're kept in

/////////////////////////////////////////////////////////////////////////////////////////
//
// DECLARATIONS
//
/////////////////////////////////////////////////////////////////////////////////////////
class plNotifyMsg;
class plAvBrainGeneric;
class plArmatureMod;

/////////////////////////////////////////////////////////////////////////////////////////
//
// DEFINITIONS
//
/////////////////////////////////////////////////////////////////////////////////////////

class plSittingModifier : public plSingleModifier
{
public: 
    enum
    {
        kApproachFront  = 0x01,
        kApproachLeft   = 0x02,
        kApproachRight  = 0x04,
        kApproachRear   = 0x08,
        kApproachMask   = kApproachFront | kApproachLeft | kApproachRight | kApproachRear,
        kDisableForward = 0x10,
    };
    
    UInt8 fMiscFlags;   

    plSittingModifier();
    plSittingModifier(bool hasFront, bool hasLeft, bool hasRight);
    virtual ~plSittingModifier();

    CLASSNAME_REGISTER( plSittingModifier );
    GETINTERFACE_ANY( plSittingModifier, plSingleModifier );

    virtual void Read(hsStream* stream, hsResMgr* mgr);
    virtual void Write(hsStream* stream, hsResMgr* mgr);

    virtual hsBool MsgReceive(plMessage *msg);

    void AddNotifyKey(plKey key) { fNotifyKeys.Append(key); }

    virtual void Trigger(const plArmatureMod *avMod, plNotifyMsg *enterNotify, plNotifyMsg *exitNotify);
    virtual void UnTrigger();

protected:
    /** We've been triggered: go ahead and send the seek and brain tasks to the 
        triggering avatar. */
    hsBool IEmitCommand(plKey playerKey, plMessage *enterCallback, plMessage *exitCallback);

    /** Set up generic notification messages which were passed in by the responder / 
        max authoring stuff. */
    void ISetupNotify(plNotifyMsg *notifyMsg, plNotifyMsg *originalNotify);

    /** Figure out which approach we should use to the sit target, and add the relevant
        stages to the brain. */
    plAvBrainGeneric * IBuildSitBrain(plKey avModKey, plKey seekKey,char **pAnimName, plNotifyMsg *enterNotify, plNotifyMsg *exitNotify);

    /** Unused. */
    virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty) { return true; }

    /** An array of keys to objects that are interested in receiving our sit messages. */
    hsTArray<plKey> fNotifyKeys;

    /** The chair in question is in use. It will untrigger when the avatar leaves it. */
    //hsBool            fTriggered;
    plKey           fTriggeredAvatarKey;
};



#endif plSittingModifier_inc