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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_POINT_LIGHT_INFLUENCE_H
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#define NL_POINT_LIGHT_INFLUENCE_H
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#include "nel/misc/types_nl.h"
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namespace NL3D {
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class CPointLight;
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/**
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* A pointLight Influence. Filled by Static Lighting system (landscape / Igs).
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* The influence may be lower than 1, because landscape/Igs look into a grid (on patchs or on pacs surfaces)
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* and do biLinear to avoid lighting poping.
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2001
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*/
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class CPointLightInfluence
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{
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public:
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// The light of interest
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CPointLight *PointLight;
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// The factor of influence (0..1) of this light, computed by the static light setup.
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float Influence;
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// Internal Use only. Used by CLightingManager
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float BkupInfluence;
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// Internal Use only. Used by CLightingManager
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float DistanceToModel;
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// To sort by influence.
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bool operator<(const CPointLightInfluence &sl) const
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{
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// sort in growing order
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return Influence>sl.Influence;
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}
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};
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} // NL3D
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#endif // NL_POINT_LIGHT_INFLUENCE_H
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/* End of point_light_influence.h */
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