mirror of
https://github.com/ptitSeb/Serious-Engine
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69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd.
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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 version 2 of the GNU General Public License as published by
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the Free Software Foundation
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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 along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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#ifndef SE_INCL_FOG_H
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#define SE_INCL_FOG_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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#include <Engine/Math/Vector.h>
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enum AttenuationType {
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AT_LINEAR, // t*density
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AT_EXP, // 1-exp(-t*density)
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AT_EXP2, // 1-exp(-(t*density)^2)
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};
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enum FogGraduationType {
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FGT_CONSTANT, // constant density
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FGT_LINEAR, // h*graduation
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FGT_EXP, // 1-exp(-h*graduation)
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};
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class CFogParameters {
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public:
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FLOAT3D fp_vFogDir; // fog direction in absolute space
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FLOAT fp_fH0; // lowest point in LUT
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FLOAT fp_fH1; // bottom of fog in LUT
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FLOAT fp_fH2; // top of fog in LUT
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FLOAT fp_fH3; // highest point in LUT
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FLOAT fp_fFar; // farthest point in LUT
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INDEX fp_iSizeL; // LUT size in distance (must be pow2)
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INDEX fp_iSizeH; // LUT size in depth (must be pow2)
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COLOR fp_colColor; // fog color and alpha
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enum AttenuationType fp_atType; // type of attenuation
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FLOAT fp_fDensity; // attenuation parameter
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enum FogGraduationType fp_fgtType; // type of graduation
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FLOAT fp_fGraduation; // graduation parameter
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};
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#define HPF_VISIBLEFROMOUTSIDE (1UL<<0) // can be viewed from sectors that are not hazed
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class CHazeParameters {
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public:
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ULONG hp_ulFlags;
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FLOAT hp_fNear; // nearest point in LUT
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FLOAT hp_fFar; // farthest point in LUT
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INDEX hp_iSize; // LUT size in distance (must be pow2)
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COLOR hp_colColor; // fog color and alpha
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enum AttenuationType hp_atType; // type of attenuation
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FLOAT hp_fDensity; // attenuation parameter
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};
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#endif /* include-once check. */
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