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75 lines
2.1 KiB
75 lines
2.1 KiB
14 years ago
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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 hsSfxAngleFade_inc
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#define hsSfxAngleFade_inc
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#include "hsBiExpander.h"
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#include "hsGRenderProcs.h"
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#include "hsBitVector.h"
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class hsSfxAngleFade : public hsGRenderProcs {
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public:
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enum {
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kDirectional = 0x10000,
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kTargetRelative = 0x20000,
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kTwoSided = 0x40000,
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kFaceNormals = 0x80000
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};
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struct hsSfxAfTableEntry {
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hsScalar fCosineDel;
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hsScalar fCosineNorm;
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hsScalar fOpacity;
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};
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protected:
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hsBitVector fSetVector;
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hsExpander<hsSfxAfTableEntry> fTable;
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hsScalar IOpacFromDot(hsScalar dot);
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public:
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hsSfxAngleFade();
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virtual ~hsSfxAngleFade();
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virtual void ProcessPreInterpShadeVerts(hsExpander<hsGShadeVertex*>& vList);
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virtual void ProcessPreInterpTris(hsExpander<hsTriangle3*>& tList, hsExpander<hsGTriVertex*>& vList);
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void MakeTable(float* cosList, float* opacList, int num); // lists sorted from lowest cosine to highest
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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 "hsSfxAngleFade"; }
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virtual ProcType GetType() const { return kTypeAngleFade; }
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CLASSNAME_REGISTER( hsSfxAngleFade );
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GETINTERFACE_ANY( hsSfxAngleFade, hsGRenderProcs );
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};
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#endif // hsSfxAngleFade_inc
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