Import of Empire 4.2.12

src/lib/commands/demo.c

@@ -0,0 +1,137 @@
+/*
+ *  Empire - A multi-player, client/server Internet based war game.
+ *  Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *                           Ken Stevens, Steve McClure
+ *
+ *  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; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  ---
+ *
+ *  See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
+ *  related information and legal notices. It is expected that any future
+ *  projects/authors will amend these files as needed.
+ *
+ *  ---
+ *
+ *  demo.c: De-mobilize "n" military in a given sector
+ * 
+ *  Known contributors to this file:
+ *     Dave Pare, 1986
+ */
+
+#include "misc.h"
+#include "player.h"
+#include "xy.h"
+#include "deity.h"
+#include "var.h"
+#include "sect.h"
+#include "nat.h"
+#include "nsc.h"
+#include "file.h"
+#include "commands.h"
+
+/*
+ * format: demo <SECTS> number
+ *
+ */
+
+long do_demo(struct natstr *natp, struct nstr_sect nstr, int number, s_char *p, int for_real);
+
+int
+demo(void)
+{
+	struct	natstr *natp;
+	long    cash;
+	long    cost;
+	int	number;
+	s_char	*p;
+	s_char	buf[1024];
+	struct	nstr_sect nstr;
+
+	natp = getnatp(player->cnum);
+	cash = natp->nat_money;
+	if (!snxtsct(&nstr, player->argp[1]))
+		return RET_SYN;
+	if ((p = getstarg(player->argp[2], "Number to de-mobilize : ", buf)) == 0)
+		return RET_SYN;
+	number = atoi(p);
+	if (!(p = getstarg(player->argp[3], "New civilians on active reserve? (y/n) ", buf)))
+		return RET_SYN;
+	if (*p != 'y' && *p != 'n')
+		return RET_SYN;
+	cost = do_demo(natp, nstr, number, p, 0);
+	if (chkmoney(cost, cash, player->argp[4]))
+		return RET_SYN;
+	return (int)do_demo(natp, nstr, number, p, 1);
+}
+
+long do_demo(struct natstr *natp, struct nstr_sect nstr, int number, s_char *p, int for_real)
+{
+	struct	sctstr sect;
+	int	mil_demob;
+	int	mil;
+	int	civ;
+	int	deltamil;
+	int	reserves;
+	long cost = 0;
+
+	mil_demob = 0;
+	reserves = 0;
+	while (nxtsct(&nstr, &sect)) {
+		if (!player->owner || sect.sct_effic < 60)
+			continue;
+		if ((mil = getvar(V_MILIT, (s_char *)&sect, EF_SECTOR)) == 0)
+			continue;
+		if (sect.sct_own != sect.sct_oldown)
+			continue;
+		civ = getvar(V_CIVIL, (s_char *)&sect, EF_SECTOR);
+		if (number < 0){
+			if ((deltamil = mil + number) <= 0)
+				continue;
+		}
+		else if ((deltamil = min(mil, number)) <= 0)
+			continue;
+		civ += deltamil;
+		mil -= deltamil;
+		mil_demob += deltamil;
+		if (!for_real) {
+			cost += deltamil * 5;
+			continue;
+		}
+		player->dolcost += deltamil * 5;
+		pr("%d demobilized in %s (%d mil left)\n",
+			deltamil, xyas(sect.sct_x, sect.sct_y, player->cnum), mil);
+		if (*p == 'y')
+			reserves += deltamil;
+		putvar(V_MILIT, mil, (s_char *)&sect, EF_SECTOR);
+		putvar(V_CIVIL, civ, (s_char *)&sect, EF_SECTOR);
+		putsect(&sect);
+	}
+	if (!for_real)
+		return cost;
+	if (!mil_demob) {
+		pr("No eligible sectors/military for demobilization\n");
+		return (long)RET_FAIL;
+	}
+	pr("Total new civilians : %d\n", mil_demob);
+	if (*p == 'y')
+		pr("Military reserve stands at %d (up %d)\n",
+			natp->nat_reserve + reserves, reserves);
+	if (reserves > 0) {
+		natp->nat_reserve += reserves;
+		putnat(natp);
+	}
+	return RET_OK;
+}