/*==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 plLightModifier_inc
#define plLightModifier_inc

#include "plModifier/plSimpleModifier.h"
#include "hsGeometry3.h"

class plController;
class plController;
class plLightInfo;
class plOmniLightInfo;
class plSpotLightInfo;
class plLimitedDirLightInfo;

class plLightModifier : public plSimpleModifier
{
protected:

    plController*       fColorCtl;
    plController*       fAmbientCtl;
    plController*       fSpecularCtl;

    plLightInfo*        fLight;

    virtual void IApplyDynamic();

    virtual void IClearCtls();
public:
    plLightModifier();
    virtual ~plLightModifier();

    CLASSNAME_REGISTER( plLightModifier );
    GETINTERFACE_ANY( plLightModifier, plSimpleModifier );

    virtual void AddTarget(plSceneObject* so);
    virtual void RemoveTarget(plSceneObject* so);

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

    virtual hsBool HasAnima() const { return fColorCtl || fAmbientCtl || fSpecularCtl; }

    // Export only
    void SetColorCtl(plController* ctl) { fColorCtl = ctl; }
    void SetAmbientCtl(plController* ctl) { fAmbientCtl = ctl; }
    void SetSpecularCtl(plController* ctl) { fSpecularCtl = ctl; }

    virtual void DefaultAnimation();
    virtual hsScalar MaxAnimLength(hsScalar len) const;
};

class plOmniModifier : public plLightModifier
{
protected:

    plOmniLightInfo*    fOmni;

    plController*       fAttenCtl;
    hsPoint3            fInitAtten;

    virtual void IApplyDynamic();

    virtual void IClearCtls();
public:
    plOmniModifier();
    virtual ~plOmniModifier();

    CLASSNAME_REGISTER( plOmniModifier );
    GETINTERFACE_ANY( plOmniModifier, plLightModifier );

    virtual void AddTarget(plSceneObject* so);
    virtual void RemoveTarget(plSceneObject* so);

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

    virtual hsBool HasAnima() const { return plLightModifier::HasAnima() || fAttenCtl; }

    // Export Only
    void SetAttenCtl(plController* ctl) { fAttenCtl = ctl; }
    void SetInitAtten(const hsPoint3& p) { fInitAtten = p; }

    virtual hsScalar MaxAnimLength(hsScalar len) const;
};

class plSpotModifier : public plOmniModifier
{
protected:

    plSpotLightInfo*            fSpot;

    plController*           fInnerCtl;
    plController*           fOuterCtl;

    virtual void IApplyDynamic();

    virtual void IClearCtls();
public:
    plSpotModifier();
    virtual ~plSpotModifier();

    CLASSNAME_REGISTER( plSpotModifier );
    GETINTERFACE_ANY( plSpotModifier, plLightModifier );

    virtual void AddTarget(plSceneObject* so);
    virtual void RemoveTarget(plSceneObject* so);

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

    virtual hsBool HasAnima() const { return plOmniModifier::HasAnima() || fInnerCtl || fOuterCtl; }

    // Export Only
    void SetInnerCtl(plController* ctl) { fInnerCtl = ctl; }
    void SetOuterCtl(plController* ctl) { fOuterCtl = ctl; }

    virtual hsScalar MaxAnimLength(hsScalar len) const;
};

class plLtdDirModifier : public plLightModifier
{
protected:

    plLimitedDirLightInfo*      fLtdDir;

    plController*           fWidthCtl;
    plController*           fHeightCtl;
    plController*           fDepthCtl;

    virtual void IApplyDynamic();

    virtual void IClearCtls();
public:
    plLtdDirModifier();
    virtual ~plLtdDirModifier();

    CLASSNAME_REGISTER( plLtdDirModifier );
    GETINTERFACE_ANY( plLtdDirModifier, plLightModifier );

    virtual void AddTarget(plSceneObject* so);
    virtual void RemoveTarget(plSceneObject* so);

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

    virtual hsBool HasAnima() const { return plLightModifier::HasAnima() || fWidthCtl || fHeightCtl || fDepthCtl; }

    // Export Only
    void SetWidthCtl(plController* ctl) { fWidthCtl = ctl; }
    void SetHeightCtl(plController* ctl) { fHeightCtl = ctl; }
    void SetDepthCtl(plController* ctl) { fDepthCtl = ctl; }

    virtual hsScalar MaxAnimLength(hsScalar len) const;
};

#endif // plLightModifier_inc