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/*==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 hsSfxDistFade_inc
#define hsSfxDistFade_inc
#include "hsBiExpander.h"
#include "hsGRenderProcs.h"
class hsSfxDistFade : public hsGRenderProcs {
public:
enum {
kCullsBefore = 0x10000,
kCullsBeyond = 0x20000,
kDistFromView = 0x40000,
kDistFromTarget = 0x80000,
kDistAlongX = 0x100000,
kDistAlongY = 0x200000,
kDistAlongZ = 0x400000,
kWorldDist = 0x800000,
kPostInterp = 0x1000000,
kIdleBefore = 0x2000000,
kIdleBeyond = 0x4000000
};
struct hsSfxDfTableEntry {
hsScalar fDistDel;
hsScalar fDistNorm;
hsScalar fOpacity;
};
protected:
hsScalar fMinDist;
hsScalar fMaxDist;
hsScalar fMinIdle;
hsScalar fMaxIdle;
hsExpander<hsSfxDfTableEntry> fTable;
hsScalar IOpacFromDist(hsScalar dist);
public:
hsSfxDistFade();
virtual ~hsSfxDistFade();
virtual hsBool32 BeginObject(plPipeline* pipe, plDrawable* obj);
virtual void ProcessPreInterpShadeVerts(hsExpander<hsGShadeVertex*>& vList);
virtual void ProcessPostInterpShadeVerts(hsExpander<hsGShadeVertex*>& vList);
void MakeTable(float* distList, float* opacList, int num); // lists sorted from lowest cosine to highest
virtual void Read(hsStream* s);
virtual void Write(hsStream* s);
virtual const char* GetLabel() const { return "hsSfxDistFade"; }
virtual ProcType GetType() const { return kTypeDistFade; }
CLASSNAME_REGISTER( hsSfxDistFade );
GETINTERFACE_ANY( hsSfxDistFade, hsGRenderProcs );
};
#endif // hsSfxDistFade_inc