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FogMarker.es
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FogMarker.es
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/* Copyright (c) 2002-2012 Croteam Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation
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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
215
%{
#include "StdH.h"
%}
uses "Entities/Marker";
enum FogAttenuationType {
0 FA_LINEAR "Linear",
1 FA_EXP "Exp",
2 FA_EXP2 "Exp2",
};
enum FogGraduationType2 {
0 FG_CONSTANT "Constant",
1 FG_LINEAR "Linear",
2 FG_EXP "Exp",
};
class CFogMarker: CMarker {
name "Fog Marker";
thumbnail "Thumbnails\\FogMarker.tbn";
features "IsImportant";
properties:
1 FLOAT m_fDepth "Depth" 'E' = 10.0f,
2 FLOAT m_fAbove "Above" 'O' = 20.0f,
3 FLOAT m_fBelow "Below" 'B' = 20.0f,
4 FLOAT m_fFar "Far" 'F' = 100.0f,
10 enum FogAttenuationType m_faType "Attenuation Type" 'A' =FA_EXP,
11 FLOAT m_fDensity "Density" 'D' = 0.1f,
12 enum FogGraduationType2 m_fgType "Graduation Type" 'G' =FG_CONSTANT,
13 FLOAT m_fGraduation "Graduation" 'R' = 0.1f,
// for indirect density calculation
14 BOOL m_bDensityDirect "Density Direct" = TRUE,
15 FLOAT m_fDensityPercentage "DensityPercentage" = 0.95f,
16 FLOAT m_fDensityDistance "DensityDistance" = 10.0f,
// for indirect graduation calculation
17 BOOL m_bGraduationDirect "Graduation Direct" = TRUE,
18 FLOAT m_fGraduationPercentage "GraduationPercentage" = 0.95f,
19 FLOAT m_fGraduationDistance "GraduationDistance" = 10.0f,
22 INDEX m_iSizeL "Size Distance" 'S' = 32,
23 INDEX m_iSizeH "Size Depth" 'I' = 16,
24 COLOR m_colColor "Color" 'C' = (C_WHITE|CT_OPAQUE),
components:
1 model MODEL_MARKER "Models\\Editor\\Fog.mdl",
2 texture TEXTURE_MARKER "Models\\Editor\\Fog.tex"
functions:
/* Get fog type name, return empty string if not used. */
const CTString &GetFogName(void)
{
return m_strName;
}
/* Get fog. */
void GetFog(class CFogParameters &fpFog)
{
const FLOATmatrix3D &m = GetRotationMatrix();
fpFog.fp_vFogDir(1) = m(1,2);
fpFog.fp_vFogDir(2) = m(2,2);
fpFog.fp_vFogDir(3) = m(3,2);
FLOAT fPos = fpFog.fp_vFogDir%GetPlacement().pl_PositionVector;
fpFog.fp_colColor = m_colColor;
fpFog.fp_atType = (AttenuationType) m_faType;
fpFog.fp_fDensity = m_fDensity;
fpFog.fp_fgtType = (FogGraduationType) m_fgType;
fpFog.fp_fGraduation = m_fGraduation;
fpFog.fp_fH0 = fPos-m_fDepth-m_fBelow;
fpFog.fp_fH1 = fPos-m_fDepth;
fpFog.fp_fH2 = fPos;
fpFog.fp_fH3 = fPos+m_fAbove;
fpFog.fp_fFar = m_fFar;
fpFog.fp_iSizeH = m_iSizeH;
fpFog.fp_iSizeL = m_iSizeL;
}
procedures:
Main()
{
InitAsEditorModel();
SetPhysicsFlags(EPF_MODEL_IMMATERIAL);
SetCollisionFlags(ECF_IMMATERIAL);
// set appearance
SetModel(MODEL_MARKER);
SetModelMainTexture(TEXTURE_MARKER);
// set name
if (m_strName=="Marker") {
m_strName = "Fog marker";
}
// if density is calculated indirectly
if (!m_bDensityDirect) {
// calculate density to have given percentage at given distance
switch(m_faType) {
case FA_LINEAR:
m_fDensity = m_fDensityPercentage/m_fDensityDistance;
break;
case FA_EXP:
m_fDensity = -log(1-m_fDensityPercentage)/m_fDensityDistance;
break;
case FA_EXP2:
m_fDensity = Sqrt(-log(1-m_fDensityPercentage))/m_fDensityDistance;
break;
}
}
// if graduation is calculated indirectly
if (!m_bGraduationDirect) {
// calculate graduation to have given percentage at given depth
switch(m_fgType) {
case FG_LINEAR:
m_fGraduation = m_fGraduationPercentage/m_fGraduationDistance;
break;
case FG_EXP:
m_fGraduation = -log(1-m_fGraduationPercentage)/m_fGraduationDistance;
break;
}
}
// clamp values to valid ranges
m_fDensity = ClampDn(m_fDensity, 1E-6f);
m_fDepth = ClampDn(m_fDepth , 0.001f);
m_fAbove = ClampDn(m_fAbove , 0.001f);
m_fBelow = ClampDn(m_fBelow , 0.001f);
m_fFar = ClampDn(m_fFar, 0.001f);
m_iSizeL = 1<<INDEX(Log2(m_iSizeL));
m_iSizeH = 1<<INDEX(Log2(m_iSizeH));
m_iSizeL= Clamp(m_iSizeL, INDEX(2), INDEX(256));
m_iSizeH= Clamp(m_iSizeH, INDEX(2), INDEX(256));
return;
}
};