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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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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 hsSfxGlobalShade_inc
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#define hsSfxGlobalShade_inc
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#include "hsBiExpander.h"
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#include "hsGRenderProcs.h"
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#include "hsColorRGBA.h"
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#include "hsGeometry3.h"
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class hsGLayer;
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class hsSfxGlobalShade : public hsGRenderProcs {
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public:
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enum {
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kNone = 0x0,
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kFromFog = 0x1,
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kFromClear = 0x2,
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kFromLights = 0x4,
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kSourceMask = kFromFog | kFromClear | kFromLights,
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kScalarIntensity = 0x8,
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kAffectDiffuse = 0x10
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};
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protected:
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// Constants from which to work.
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UInt32 fGSFlags;
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hsColorRGBA fAmbient;
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hsColorRGBA fDiffuse;
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// Calculated each invocation.
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hsColorRGBA fIntensity;
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hsGLayer* fCurrentLayer;
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hsColorRGBA fRestoreColor;
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void ISetIntensity(hsPoint3& pos);
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void ISetFromFog(hsPoint3& pos);
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void ISetFromClear(hsPoint3& pos);
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void ISetFromLights(hsPoint3& pos);
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hsColorRGBA ISumLights(hsPoint3& pos);
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public:
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hsSfxGlobalShade();
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virtual ~hsSfxGlobalShade();
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virtual void ProcessPreInterpShadeVerts(hsExpander<hsGShadeVertex*>& vList);
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virtual hsBool32 BeginObject(plPipeline* pipe, plDrawable* obj);
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virtual void EndObject();
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virtual void Read(hsStream* s);
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virtual void Write(hsStream* s);
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virtual const char* GetLabel() const { return "hsSfxGlobalShade"; }
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virtual ProcType GetType() const { return kTypeGlobalShade; }
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void SetAmbient(const hsColorRGBA& col) { fAmbient = col; }
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hsColorRGBA GetAmbient() const { return fAmbient; }
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void SetDiffuse(const hsColorRGBA& col) { fDiffuse = col; }
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hsColorRGBA GetDiffuse() const { return fDiffuse; }
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void SetSource(UInt32 f) { fGSFlags &= ~kSourceMask; fGSFlags |= f; }
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UInt32 GetSource() { return fGSFlags & kSourceMask; }
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void SetScalar(hsBool32 on) { if(on)fGSFlags |= kScalarIntensity; else fGSFlags &= ~kScalarIntensity; }
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hsBool32 GetScalar() { return 0 != (fGSFlags & kScalarIntensity); }
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void SetAffectDiffuse(hsBool32 on) { if(on)fGSFlags |= kAffectDiffuse; else fGSFlags &= ~kAffectDiffuse; }
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hsBool32 GetAffectDiffuse() { return 0 != (fGSFlags & kAffectDiffuse); }
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CLASSNAME_REGISTER( hsSfxGlobalShade );
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GETINTERFACE_ANY( hsSfxGlobalShade, hsGRenderProcs );
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};
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#endif // hsSfxGlobalShade_inc
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