115 lines
3 KiB
C++
115 lines
3 KiB
C++
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/**********************************************************************
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FILENAME: uiuc_fog.cpp
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----------------------------------------------------------------------
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DESCRIPTION: changes Fog variable to +/-1 or 0 using fog
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parameters and Simtime
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----------------------------------------------------------------------
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STATUS: alpha version
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----------------------------------------------------------------------
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REFERENCES:
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----------------------------------------------------------------------
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HISTORY: 05/20/2001 initial release
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----------------------------------------------------------------------
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AUTHOR(S): Michael Savchenko <savchenk@uiuc.edu>
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----------------------------------------------------------------------
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VARIABLES:
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INPUTS: -Simtime
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-Fog
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-fog_field
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-fog_next_time
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-fog_current_segment
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-fog_value
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-fog_time
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----------------------------------------------------------------------
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OUTPUTS: -Fog
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-fog_field
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-fog_next_time
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-fog_current_segment
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----------------------------------------------------------------------
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CALLED BY: uiuc_wrapper
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----------------------------------------------------------------------
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CALLS TO: none
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----------------------------------------------------------------------
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COPYRIGHT: (C) 2000 by Michael Selig
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by 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
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA or view http://www.gnu.org/copyleft/gpl.html.
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**********************************************************************/
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#include "uiuc_fog.h"
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void uiuc_fog()
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{
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if (Simtime >= fog_next_time)
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{
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if (fog_current_segment != 0)
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{
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if (fog_value[fog_current_segment] > fog_value[fog_current_segment-1])
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Fog = 1;
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else if (fog_value[fog_current_segment] < fog_value[fog_current_segment-1])
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Fog = -1;
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else
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Fog = 0;
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}
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else
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Fog = 0;
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if (Simtime > fog_time[fog_current_segment]) {
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if (fog_current_segment == fog_segments)
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{
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fog_field = false;
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Fog = 0;
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return;
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}
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else
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fog_current_segment++; }
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if (fog_value[fog_current_segment] == fog_value[fog_current_segment-1])
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fog_next_time = fog_time[fog_current_segment];
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else
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fog_next_time += (fog_time[fog_current_segment]-fog_time[fog_current_segment-1]) / abs(fog_value[fog_current_segment]-fog_value[fog_current_segment-1]);
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}
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else
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Fog = 0;
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return;
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}
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