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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#ifndef plLightInfo_inc
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#define plLightInfo_inc
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#include "pnSceneObject/plObjInterface.h"
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#include "hsMatrix44.h"
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#include "hsColorRGBA.h"
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#include "plIntersect/plVolumeIsect.h"
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#include "hsBitVector.h"
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class hsStream;
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class hsResMgr;
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class plSpaceTree;
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class hsGDeviceRef;
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class hsGMaterial;
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class plDrawableSpans;
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class plLayerInterface;
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class plPipeline;
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class plDrawable;
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class plSoftVolume;
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class hsBounds3Ext;
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class plVisRegion;
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class plRenderRequest;
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class plRenderTarget;
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class plLightProxy;
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class plLightInfo : public plObjInterface
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{
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public:
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enum {
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kDisable = 0x0, // prop 0 is always disable, declared in plObjInterface
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kLPObsolete,
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kLPCastShadows,
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kLPMovable,
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kLPHasIncludes,
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kLPIncludesChars,
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kLP_OBSOLECTE_0, // OLD
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kLPOverAll,
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kLPHasSpecular, // This is the same as a non-black specular color, but we use it here to make it faster to check
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kLPShadowOnly,
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kLPShadowLightGroup,
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kLPForceProj,
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kNumProps
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};
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enum LIRefType
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{
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kProjection = 0,
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k_OBSOLECTE_REF_0, // OLD
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k_OBSOLECTE_REF_1, // OLD
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k_OBSOLECTE_REF_2, // OLD
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kSoftVolume,
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kVisRegion
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};
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protected:
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// Volatile properties that shouldn't be network propagated.
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enum VolatileFlags {
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kVolNone = 0x0,
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kVolDirty = 0x1,
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kVolEmpty = 0x2,
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kVolZero = 0x4
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};
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UInt8 fVolFlags;
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hsBitVector fVisSet;
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hsBitVector fVisNot;
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hsTArray<plVisRegion*> fVisRegions;
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plLightInfo** fPrevDevPtr;
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plLightInfo* fNextDevPtr;
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hsGDeviceRef* fDeviceRef;
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plLayerInterface* fProjection;
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hsMatrix44 fWorldToProj;
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hsColorRGBA fAmbient;
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hsColorRGBA fDiffuse;
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hsColorRGBA fSpecular;
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hsMatrix44 fLightToLocal;
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hsMatrix44 fLocalToLight;
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hsMatrix44 fLocalToWorld;
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hsMatrix44 fWorldToLocal;
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hsMatrix44 fLightToWorld;
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hsMatrix44 fWorldToLight;
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plKey fSceneNode;
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plLightProxy* fProxyGen;
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plSoftVolume* fSoftVolume;
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hsScalar fMaxStrength;
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hsBool fRegisteredForRenderMsg;
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// Small shadow section
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hsBitVector fSlaveBits;
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virtual void IMakeIsect() = 0;
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virtual plVolumeIsect* IGetIsect() = 0;
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virtual void IRefresh();
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virtual const hsMatrix44& IGetWorldToProj() const { return fWorldToProj; }
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void IAddVisRegion(plVisRegion* reg);
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void IRemoveVisRegion(plVisRegion* reg);
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virtual void ISetSceneNode(plKey node);
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void ICheckMaxStrength();
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public:
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plLightInfo();
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virtual ~plLightInfo();
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CLASSNAME_REGISTER( plLightInfo );
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GETINTERFACE_ANY( plLightInfo, plObjInterface );
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void SetDeviceRef(hsGDeviceRef* ref);
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hsGDeviceRef* GetDeviceRef() const { return fDeviceRef; }
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// Dirty state is local to this machine, so shouldn't be in the network synchronized properties.
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hsBool IsDirty() const { return 0 != (fVolFlags & kVolDirty); }
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void SetDirty(hsBool on=true) { if(on)fVolFlags |= kVolDirty; else fVolFlags &= ~kVolDirty; }
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hsBool IsEmpty() const { return 0 != (fVolFlags & kVolEmpty); }
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void SetEmpty(hsBool on=true) { if(on)fVolFlags |= kVolEmpty; else fVolFlags &= ~kVolEmpty; }
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hsBool IsZero() const { return 0 != (fVolFlags & kVolZero); }
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void SetZero(hsBool on) { if(on)fVolFlags |= kVolZero; else fVolFlags &= ~kVolZero; }
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inline hsBool IsIdle() const;
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hsBool OverAll() const { return GetProperty(kLPOverAll); }
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hsBool IsShadowCaster() const { return GetProperty(kLPCastShadows); }
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void SetShadowCaster(hsBool on) { SetProperty(kLPCastShadows, on); }
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void Refresh() { if( IsDirty() ) { IRefresh(); SetDirty(false); } }
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virtual void GetStrengthAndScale(const hsBounds3Ext& bnd, hsScalar& strength, hsScalar& scale) const;
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hsBool AffectsBound(const hsBounds3Ext& bnd) { return IGetIsect() ? IGetIsect()->Test(bnd) != kVolumeCulled : true; }
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void GetAffectedForced(const plSpaceTree* space, hsBitVector& list, hsBool charac);
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void GetAffected(const plSpaceTree* space, hsBitVector& list, hsBool charac);
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const hsTArray<Int16>& GetAffected(plSpaceTree* space, const hsTArray<Int16>& visList, hsTArray<Int16>& litList, hsBool charac);
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hsBool InVisSet(const hsBitVector& visSet) const { return fVisSet.Overlap(visSet); }
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hsBool InVisNot(const hsBitVector& visNot) const { return fVisNot.Overlap(visNot); }
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void SetAmbient(const hsColorRGBA& c) { fAmbient = c; SetDirty(); }
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void SetDiffuse(const hsColorRGBA& c) { fDiffuse = c; SetDirty(); }
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void SetSpecular(const hsColorRGBA& c);
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const hsColorRGBA& GetAmbient() const { return fAmbient; }
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const hsColorRGBA& GetDiffuse() const { return fDiffuse; }
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const hsColorRGBA& GetSpecular() const { return fSpecular; }
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plLayerInterface* GetProjection() const { return fProjection; }
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virtual void SetProperty(int prop, hsBool on);
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l);
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virtual const hsMatrix44& GetLocalToWorld() const;
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virtual const hsMatrix44& GetWorldToLocal() const;
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virtual const hsMatrix44& GetLightToWorld() const;
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virtual const hsMatrix44& GetWorldToLight() const;
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virtual Int32 GetNumProperties() const { return kNumProps; }
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const plSoftVolume* GetSoftVolume() const { return fSoftVolume; }
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virtual hsVector3 GetNegativeWorldDirection(const hsPoint3& pos) const = 0;
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virtual void Read(hsStream* stream, hsResMgr* mgr);
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virtual void Write(hsStream* stream, hsResMgr* mgr);
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virtual hsBool MsgReceive(plMessage* msg);
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virtual void Unlink( void );
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virtual void Link( plLightInfo **back );
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virtual plLightInfo *GetNext( void ) { return fNextDevPtr; }
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virtual hsBool IsLinked( void ) { return ( fNextDevPtr != nil || fPrevDevPtr != nil ) ? true : false; }
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// New shadow
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void ClearSlaveBits() { fSlaveBits.Clear(); }
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void SetSlaveBit(int which) { fSlaveBits.SetBit(which); }
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const hsBitVector& GetSlaveBits() const { return fSlaveBits; }
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// These two should only be called internally and on export/convert
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virtual plKey GetSceneNode() const;
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// Export only. At runtime, the LocalToLight should be considered const.
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void SetLocalToLight(const hsMatrix44& l2lt, const hsMatrix44& lt2l);
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// Visualization
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virtual plDrawableSpans* CreateProxy(hsGMaterial* mat, hsTArray<UInt32>& idx, plDrawableSpans* addTo) { return addTo; }
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};
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class plDirectionalLightInfo : public plLightInfo
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{
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protected:
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virtual void IMakeIsect() {}
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virtual plVolumeIsect* IGetIsect() { return nil; }
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public:
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plDirectionalLightInfo();
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virtual ~plDirectionalLightInfo();
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CLASSNAME_REGISTER( plDirectionalLightInfo );
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GETINTERFACE_ANY( plDirectionalLightInfo, plLightInfo );
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virtual void GetStrengthAndScale(const hsBounds3Ext& bnd, hsScalar& strength, hsScalar& scale) const;
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hsVector3 GetWorldDirection() const;
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virtual hsVector3 GetNegativeWorldDirection(const hsPoint3& pos) const { return -GetWorldDirection(); }
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virtual void Read(hsStream* stream, hsResMgr* mgr);
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virtual void Write(hsStream* stream, hsResMgr* mgr);
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};
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class plLimitedDirLightInfo : public plDirectionalLightInfo
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{
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protected:
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hsScalar fWidth;
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hsScalar fHeight;
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hsScalar fDepth;
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plParallelIsect* fParPlanes;
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virtual void IMakeIsect();
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virtual plVolumeIsect* IGetIsect() { return fParPlanes; }
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virtual void IRefresh();
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public:
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plLimitedDirLightInfo();
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virtual ~plLimitedDirLightInfo();
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CLASSNAME_REGISTER( plLimitedDirLightInfo );
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GETINTERFACE_ANY( plLimitedDirLightInfo, plDirectionalLightInfo );
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virtual void GetStrengthAndScale(const hsBounds3Ext& bnd, hsScalar& strength, hsScalar& scale) const;
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hsScalar GetWidth() const { return fWidth; }
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hsScalar GetHeight() const { return fHeight; }
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hsScalar GetDepth() const { return fDepth; }
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void SetWidth(hsScalar w) { fWidth = w; }
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void SetHeight(hsScalar h) { fHeight = h; }
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void SetDepth(hsScalar d) { fDepth = d; }
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virtual void Read(hsStream* stream, hsResMgr* mgr);
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virtual void Write(hsStream* stream, hsResMgr* mgr);
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// Visualization
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virtual plDrawableSpans* CreateProxy(hsGMaterial* mat, hsTArray<UInt32>& idx, plDrawableSpans* addTo);
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};
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class plOmniLightInfo : public plLightInfo
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{
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protected:
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// Omni and spot
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hsScalar fAttenConst;
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hsScalar fAttenLinear;
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hsScalar fAttenQuadratic;
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hsScalar fAttenCutoff; // Only for attenuate-but-not-really mode, 0 otherwise
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plSphereIsect* fSphere;
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virtual void IMakeIsect();
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virtual plVolumeIsect* IGetIsect() { return fSphere; }
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virtual void IRefresh();
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public:
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plOmniLightInfo();
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virtual ~plOmniLightInfo();
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CLASSNAME_REGISTER( plOmniLightInfo );
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GETINTERFACE_ANY( plOmniLightInfo, plLightInfo );
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virtual void GetStrengthAndScale(const hsBounds3Ext& bnd, hsScalar& strength, hsScalar& scale) const;
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virtual hsVector3 GetNegativeWorldDirection(const hsPoint3& pos) const;
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hsBool IsAttenuated() const { return (fAttenLinear != 0)||(fAttenQuadratic != 0) || ( fAttenCutoff != 0 ); }
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hsScalar GetRadius() const;
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hsScalar GetConstantAttenuation() const { return fAttenConst; }
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hsScalar GetLinearAttenuation() const { return fAttenLinear; }
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hsScalar GetQuadraticAttenuation() const { return fAttenQuadratic; }
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hsScalar GetCutoffAttenuation() const { return fAttenCutoff; }
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hsPoint3 GetWorldPosition() const { return fLightToWorld.GetTranslate(); }
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void SetConstantAttenuation(hsScalar a) { fAttenConst = a; SetDirty(true); }
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void SetLinearAttenuation(hsScalar a) { fAttenLinear = a; SetDirty(true); }
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void SetQuadraticAttenuation(hsScalar a) { fAttenQuadratic = a; SetDirty(true); }
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void SetCutoffAttenuation( hsScalar a ) { fAttenCutoff = a; SetDirty( true ); }
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virtual void Read(hsStream* stream, hsResMgr* mgr);
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virtual void Write(hsStream* stream, hsResMgr* mgr);
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// Visualization
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virtual plDrawableSpans* CreateProxy(hsGMaterial* mat, hsTArray<UInt32>& idx, plDrawableSpans* addTo);
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};
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class plSpotLightInfo : public plOmniLightInfo
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{
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protected:
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// Valid only for spot
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hsScalar fFalloff;
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// Note - these are half angles, D3D wants whole angles, so fSpotInner*2 etc.
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hsScalar fSpotInner;
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hsScalar fSpotOuter;
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hsScalar fEffectiveFOV;
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plConeIsect* fCone;
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virtual void IMakeIsect();
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virtual plVolumeIsect* IGetIsect() { return fCone; }
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virtual void IRefresh();
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public:
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plSpotLightInfo();
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virtual ~plSpotLightInfo();
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CLASSNAME_REGISTER( plSpotLightInfo );
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GETINTERFACE_ANY( plSpotLightInfo, plOmniLightInfo );
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virtual void GetStrengthAndScale(const hsBounds3Ext& bnd, hsScalar& strength, hsScalar& scale) const;
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hsVector3 GetWorldDirection() const;
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virtual hsVector3 GetNegativeWorldDirection(const hsPoint3& pos) const { return -GetWorldDirection(); }
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void SetFalloff(hsScalar f) { fFalloff = f; SetDirty(true); }
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void SetSpotInner(hsScalar rads) { fSpotInner = rads; SetDirty(true); }
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void SetSpotOuter(hsScalar rads) { fSpotOuter = rads; SetDirty(true); }
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hsScalar GetFalloff() const { return fFalloff; }
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hsScalar GetSpotInner() const { return fSpotInner; }
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hsScalar GetSpotOuter() const { return fSpotOuter; }
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virtual void Read(hsStream* stream, hsResMgr* mgr);
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virtual void Write(hsStream* stream, hsResMgr* mgr);
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// Visualization
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virtual plDrawableSpans* CreateProxy(hsGMaterial* mat, hsTArray<UInt32>& idx, plDrawableSpans* addTo);
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};
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inline hsBool plLightInfo::IsIdle() const
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{
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if( GetProperty(kDisable) )
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return true;
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if( IsZero() )
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return true;
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if( IsEmpty() )
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return true;
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return false;
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}
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#endif // plLightInfo_inc
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