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/*
* XEvil(TM) Copyright (C) 1994,2000 Steve Hardt and Michael Judge
* http://www.xevil.com
* satan@xevil.com
*
* 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 2 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, the file "gpl.txt"; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA, or visit http://www.gnu.org.
*/
#include "stdafx.h"
#include "fogpal.h"
FogPalette::FogPalette(ColorPalette &p_palette)
:PaletteModifier(p_palette)
{
int t_int=0;
m_amount=0;
m_dir=-1*FOG_AMOUNT;
for (int i=0;i<PALENTRIES;i++)//first 10 and last 10 are reserved
{
t_int=p_palette.palentries[i].peRed*p_palette.palentries[i].peRed;
t_int+=p_palette.palentries[i].peGreen*p_palette.palentries[i].peGreen;
t_int+=p_palette.palentries[i].peBlue*p_palette.palentries[i].peBlue;
t_int= t_int/3;
t_int= (int)sqrt((float)t_int);
m_palette.palentries[i].peRed=t_int;
m_palette.palentries[i].peGreen=t_int;
m_palette.palentries[i].peBlue=t_int;
}
m_palette.palversion=0x300; //default of windows
m_palette.numentries=PALENTRIES;//256
m_fogholdingpalette=m_palette;
m_hpal= ::CreatePalette((LOGPALETTE *)&m_palette);//create a global palette
}
void FogPalette::clock()
{
m_palette= m_fogholdingpalette;
m_amount+=m_dir;
if (m_amount>FOG_UPPERLIMIT)
{
m_amount=FOG_UPPERLIMIT;
m_dir=-1*FOG_AMOUNT;
}
if (m_amount<FOG_LOWERLIMIT)
{
m_amount=FOG_LOWERLIMIT;
m_dir=FOG_AMOUNT;
}
for (int i=0;i<PALENTRIES;i++)
{
if (((int)m_palette.palentries[i].peRed+m_amount)>255)
m_palette.palentries[i].peRed=255;
else
if (((int)m_palette.palentries[i].peRed+m_amount)<0)
m_palette.palentries[i].peRed=0;
else
m_palette.palentries[i].peRed+=m_amount;
if (((int)m_palette.palentries[i].peGreen+m_amount)>255)
m_palette.palentries[i].peGreen=255;
else
if (((int)m_palette.palentries[i].peGreen+m_amount)<0)
m_palette.palentries[i].peGreen=0;
else
m_palette.palentries[i].peGreen+=m_amount;
if (((int)m_palette.palentries[i].peBlue+m_amount)>255)
m_palette.palentries[i].peBlue=255;
else
if (((int)m_palette.palentries[i].peBlue+m_amount)<0)
m_palette.palentries[i].peBlue=0;
else
m_palette.palentries[i].peBlue+=m_amount;
}
m_ddpalette->SetEntries(0,0,255,m_palette.palentries);
}
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