Update copyright notice

[empserver] / src / lib / commands / shoo.c

diff --git a/src/lib/commands/shoo.c b/src/lib/commands/shoo.c
index 3936cbb1da9ab149b5d190639682deab45196df1..bacdf5abca423e1c2d1241f8ed96eaff579cf127 100644 (file)
--- a/src/lib/commands/shoo.c
+++ b/src/lib/commands/shoo.c
@@ -1,11 +1,11 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
- *                           Ken Stevens, Steve McClure
+ *  Copyright (C) 1986-2018, 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,
@@ -14,8 +14,7 @@
  *  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/>.
  *
  *  ---
  *
@@ -26,75 +25,60 @@
  *  ---
  *
  *  shoo.c: Shoot some conquered populace or pigeons.
- * 
+ *
  *  Known contributors to this file:
  *     Dave Pare, 1986
+ *     Markus Armbruster, 2004-2016
  */
 
 #include <config.h>
 
+#include "chance.h"
 #include "commands.h"
 #include "item.h"
-#include "land.h"
 #include "news.h"
-#include "path.h"
 
 int
 shoo(void)
 {
     struct sctstr sect;
     struct nstr_sect nstr;
-    struct nstr_item ni;
-    int nshot;
-    double m;
+    int seceff, nshot;
+    double secstr, m;
     i_type item;
     struct ichrstr *ip;
-    struct lndstr land;
     int targets;
     char *p;
-    int mil, nsec;
     char prompt[128];
     char buf[1024];
 
     ip = whatitem(player->argp[1], "Shoot what <civ or uw> ");
-    if (ip == 0 || (ip->i_uid != I_CIVIL && ip->i_uid != I_UW))
+    if (!ip || (ip->i_uid != I_CIVIL && ip->i_uid != I_UW))
        return RET_SYN;
     item = ip->i_uid;
     if (!snxtsct(&nstr, player->argp[2]))
        return RET_SYN;
     sprintf(prompt, "number of %s to shoot? ", ip->i_name);
     p = getstarg(player->argp[3], prompt, buf);
-    if (p == 0 || (targets = atoi(p)) <= 0)
+    if (!p || (targets = atoi(p)) <= 0)
        return RET_SYN;
     while (nxtsct(&nstr, &sect)) {
        if (!player->owner)
            continue;
-       mil = sect.sct_item[I_MILIT];
-       nsec = 0;
-       snxtitem_xy(&ni, EF_LAND, sect.sct_x, sect.sct_y);
-       while (nxtitem(&ni, &land)) {
-           mil += land.lnd_item[I_MILIT];
-
-           if (lchr[(int)land.lnd_type].l_flags & L_SECURITY) {
-               mil += land.lnd_item[I_MILIT];
-               nsec++;
-           }
-       }
-
-       if (sect.sct_item[item] == 0 || sect.sct_item[I_CIVIL] > mil * 10)
+       secstr = security_strength(&sect, &seceff);
+       if (sect.sct_item[item] == 0 || sect.sct_item[I_CIVIL] > secstr * 10)
            continue;
        nshot = sect.sct_item[item] > targets ? targets : sect.sct_item[item];
        if (nshot > sect.sct_mobil * 5)
            nshot = sect.sct_mobil * 5;
        m = nshot / 5.0;
        /*
-        * Each security unit lowers the cost of
-        * shooting a person by 10%. However, you
-        * can't go lower than 50% of normal cost
+        * Security units reduce mobility cost of shooting people by
+        * 10% per 100% unit efficiency, up to a 50% reduction.
         */
-       if (nsec > 5)
-           nsec = 5;
-       m *= 1.0 - nsec * 0.1;
+       if (seceff > 500)
+           seceff = 500;
+       m *= 1.0 - seceff / 1000.0;
        if (nshot <= 0)
            continue;
        if (m < 0)