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113 lines
2.9 KiB
113 lines
2.9 KiB
13 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 plDistOpacityMod_inc
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#define plDistOpacityMod_inc
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#include "hsGeometry3.h"
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#include "../pnModifier/plSingleModifier.h"
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#include "hsTemplates.h"
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class plPipeline;
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class plRenderMsg;
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class plFadeOpacityLay;
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class plDistOpacityMod : public plSingleModifier
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{
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public:
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enum {
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kTrackAvatar,
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kTrackCamera
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};
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protected:
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enum {
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kRefFadeLay
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};
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// Volatile flag, whether we're setup yet or not.
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UInt8 fSetup;
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enum {
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kNearTrans,
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kNearOpaq,
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kFarOpaq,
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kFarTrans,
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kNumDists
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};
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hsScalar fDists[kNumDists];
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hsPoint3 fRefPos;
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hsTArray<plFadeOpacityLay*> fFadeLays;
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// We only act in response to messages.
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virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty) { return false; }
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hsScalar ICalcOpacity(const hsPoint3& targPos, const hsPoint3& refPos) const;
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void ISetOpacity();
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void ISetup();
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void ICheckDists()
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{
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hsAssert(fDists[kNearTrans] <= fDists[kNearOpaq], "Bad transition values");
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hsAssert(fDists[kNearOpaq] <= fDists[kFarOpaq], "Bad transition values");
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hsAssert(fDists[kFarOpaq] <= fDists[kFarTrans], "Bad transition values");
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}
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public:
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plDistOpacityMod();
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virtual ~plDistOpacityMod();
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CLASSNAME_REGISTER( plDistOpacityMod );
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GETINTERFACE_ANY( plDistOpacityMod, plSingleModifier );
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virtual void SetKey(plKey k);
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virtual hsBool MsgReceive(plMessage* msg);
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virtual void Read(hsStream* s, hsResMgr* mgr);
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virtual void Write(hsStream* s, hsResMgr* mgr);
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virtual void SetTarget(plSceneObject* so);
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// Rules are:
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// NearTrans <= NearOpaq <= FarOpaque <= FarTrans
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void SetFarDist(hsScalar opaque, hsScalar transparent);
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void SetNearDist(hsScalar transparent, hsScalar opaque);
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hsScalar GetFarTransparent() const { return fDists[kFarTrans]; }
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hsScalar GetNearTransparent() const { return fDists[kNearTrans]; }
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hsScalar GetFarOpaque() const { return fDists[kFarOpaq]; }
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hsScalar GetNearOpaque() const { return fDists[kNearOpaq]; }
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};
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#endif // plDistOpacityMod_inc
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