/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2014, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* ---
*
* coastal.c: Routines to calculate the coastal flag
- *
+ *
* Known contributors to this file:
* Ron Koenderink, 2005
*/
#include "path.h"
#include "prototypes.h"
#include "sect.h"
+#include "xy.h"
static int
update_coastal_flag(coord x, coord y, coord ign_x, coord ign_y)
return 1;
}
+/*
+ * Compute coastal flags for a change of SP from OLDDES to NEWDES.
+ * Update adjacent sectors, but don't touch SP.
+ */
void
-set_coastal(struct sctstr *sp, int des)
+set_coastal(struct sctstr *sp, int olddes, int newdes)
{
- int old_water = sp->sct_type == SCT_WATER
- || sp->sct_type == SCT_BTOWER || sp->sct_type == SCT_BSPAN;
- int new_water = des == SCT_WATER
- || des == SCT_BTOWER || des == SCT_BSPAN;
+ int old_water = olddes == SCT_WATER
+ || olddes == SCT_BTOWER || olddes == SCT_BSPAN;
+ int new_water = newdes == SCT_WATER
+ || newdes == SCT_BTOWER || newdes == SCT_BSPAN;
if (new_water != old_water)
sp->sct_coastal = new_water