CWE-ou-minkata/Sources/Plasma/PubUtilLib/plSurface/hsGMaterial.h

/*==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==*/
#ifndef hsGCompMatDefined
#define hsGCompMatDefined

#include "hsTemplates.h"
#include "../pnNetCommon/plSynchedObject.h"
#include "hsGMatState.h"
#include "hsColorRGBA.h"

class hsScene;
class hsResMgr;
class hsG3DDevice;
class plLayerInterface;
class plLayer;

// inlines for Texture and Material after class declarations

class hsGMaterial : public plSynchedObject
{
public:
	// Things we have to know that some layer has
	enum hsGCompFlags {
		kCompShaded							= 0x1,
		kCompEnvironMap						= 0x2,
		kCompProjectOnto					= 0x4,
		kCompSoftShadow						= 0x8,
		kCompSpecular						= 0x10,
		kCompTwoSided						= 0x20,
		kCompDrawAsSplats					= 0x40,
		kCompAdjusted						= 0x80,
		kCompNoSoftShadow					= 0x100,
		kCompDynamic						= 0x200,
		kCompDecal							= 0x400,
		kCompIsEmissive_OBSOLETE			= 0x800,
		kCompIsLightMapped					= 0x1000,
		kCompNeedsBlendChannel				= 0x2000	// For materials that have extra layers to simulate vtx alpha
	};
	enum UpdateFlags
	{
		kUpdateAgain		= 0x01
	};

protected:
	UInt32					fLOD;
	hsTArray<plLayerInterface*>		fLayers;
	hsTArray<plLayerInterface*>		fPiggyBacks;

	UInt32					fCompFlags;
	UInt32					fLoadFlags;

	hsScalar				fLastUpdateTime;

	void				IClearLayers();
	UInt32				IMakeExtraLayer();

	void					InsertLayer(plLayerInterface* lay, Int32 which = 0, hsBool piggyBack = false);
	void					SetLayer(plLayerInterface* lay, Int32 which = 0, hsBool insert=false, hsBool piggyBack=false);
	void					ReplaceLayer(plLayerInterface* oldLay, plLayerInterface* newLay, hsBool piggyBack = false);
	void					RemoveLayer(plLayerInterface* oldLay, hsBool piggyBack = false);
public:
	hsGMaterial();
	~hsGMaterial();

	virtual hsGMaterial*	Clone();
	virtual hsGMaterial*	CloneNoLayers(); // For things like blending copies, that manipulate layers directly.
											 // copies no keyed objects.
	plLayer*				MakeBaseLayer();
	plLayerInterface*		GetLayer(UInt32 which);
	plLayerInterface*		GetPiggyBack(UInt32 which);
	UInt32					AddLayerViaNotify(plLayerInterface* lay);
	UInt32					GetNumLayers() const		{ return fLayers.GetCount(); }
	void					SetNumLayers(int cnt);
	UInt32					GetNumPiggyBacks() const	{ return fPiggyBacks.GetCount(); }
	void					SetNumPiggyBacks();

	void					SetLOD(UInt32 l)			{ fLOD = l; }
	UInt32					GetLOD() const				{ return fLOD; }

	void					SetCompositeFlags(UInt32 f) { fCompFlags = f; } // normally composite flags are calculated internally, not set.
	UInt32					GetCompositeFlags()	const	{ return fCompFlags; }
	UInt32					GetLoadFlags() const		{ return fLoadFlags; }

	hsScalar				GetLastUpdateTime()	const	{ return fLastUpdateTime; }
	void					SetLastUpdateTime(hsScalar f) { fLastUpdateTime = f; }
	hsBool					IShouldUpdate(hsScalar secs, UInt32 flags) { return GetLastUpdateTime() != secs || (flags & kUpdateAgain); }

	hsBool					IsDynamic() const			{ return (fCompFlags & kCompDynamic); }
	hsBool					IsDecal() const				{ return (fCompFlags & kCompDecal); }
	hsBool					NeedsBlendChannel()			{ return (fCompFlags & kCompNeedsBlendChannel); }

	virtual void		Read(hsStream* s);
	virtual void		Write(hsStream* s);
	virtual void		Read(hsStream* s, hsResMgr *group);
	virtual void		Write(hsStream* s, hsResMgr *group);

	virtual void Eval(double secs, UInt32 frame);
	virtual void Reset();
	virtual void Init();

	CLASSNAME_REGISTER( hsGMaterial );
	GETINTERFACE_ANY( hsGMaterial, hsKeyedObject );
	
	virtual hsBool MsgReceive(plMessage* msg);
};

#endif // hsGCompMatDefined