Import of Empire 4.2.12

src/lib/commands/conv.c

@@ -0,0 +1,187 @@
+/*
+ *  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.
+ *
+ *  ---
+ *
+ *  conv.c: Convert conquered populace into uw's
+ * 
+ *  Known contributors to this file:
+ *     Dave Pare, 1986
+ */
+
+/*
+ * format: convert <SECTS> <NUMBER PER SECTOR>
+ */
+
+#include "misc.h"
+#include "player.h"
+#include "var.h"
+#include "sect.h"
+#include "nat.h"
+#include "xy.h"
+#include "nsc.h"
+#include "file.h"
+#include "land.h"
+#include "commands.h"
+
+long do_conv(struct nstr_sect nstr, int uwtoconvert, int for_real);
+
+int
+conv(void)
+{
+	struct	natstr *natp;
+	long    cash;
+	long    cost;
+	struct	nstr_sect nstr;
+	int     uwtoconvert;
+
+	natp = getnatp(player->cnum);
+	cash = natp->nat_money;
+	if (!snxtsct(&nstr, player->argp[1]))
+		return RET_SYN;
+	uwtoconvert = onearg(player->argp[2], "Number to convert: ");
+	if (uwtoconvert < 0)
+		return RET_SYN;
+	cost = do_conv(nstr, uwtoconvert, 0);
+	if (chkmoney(cost, cash, player->argp[3]))
+		return RET_SYN;
+	return (int)do_conv(nstr, uwtoconvert, 1);
+}
+
+long
+do_conv(struct nstr_sect nstr, int uwtoconvert, int for_real)
+{
+	struct sctstr sect;
+	int newuw, totaluw, uw;
+	int civ, mil, adj_mob, mob;
+	double security_extra=1.0;
+	struct lndstr land;
+	struct nstr_item ni;
+	long cost = 0;
+
+	totaluw = 0;
+	while (nxtsct(&nstr, &sect)) {
+		if (!player->owner)
+			continue;
+		if (sect.sct_oldown == player->cnum)
+			continue;
+		civ = getvar(V_CIVIL, (s_char *)&sect, EF_SECTOR);
+		if (civ == 0)
+			continue;
+		mil = getvar(V_MILIT, (s_char *)&sect, EF_SECTOR);
+
+		/*
+		 * Military units count according to the number of
+		 * mil in them. (i.e. attack/defense modified don't
+		 * count.
+		 */
+		snxtitem_xy(&ni, EF_LAND, sect.sct_x, sect.sct_y);
+		while (nxtitem(&ni, (s_char *)&land)){
+		        mil += lnd_getmil(&land);
+/*			mil += (lnd_getmil(&land) *
+				((double)land.lnd_effic/100.0));*/
+
+			/* Anti-terrorist units count double */
+			if (lchr[(int)land.lnd_type].l_flags & L_SECURITY){
+
+				/*
+				 * They also increase the efficiency of
+				 * the conversion process by 10% each.
+				 * (but they use 10 mobility doing it)
+				 */
+				security_extra += .1;
+				land.lnd_mobil -= 10;
+				if (for_real)
+					putland(land.lnd_uid,&land);
+				mil += lnd_getmil(&land);
+/*				mil += (lchr[land.lnd_type].l_mil *
+					((double)land.lnd_effic/100.0));*/
+			}
+		}
+		/*
+		 * Must have military control to convert captured civs.
+		 */
+		if (mil * 10 < civ)
+			continue;
+		newuw = civ;
+		if (newuw > uwtoconvert)
+			newuw = uwtoconvert;
+		uw = getvar(V_UW, (s_char *)&sect, EF_SECTOR);
+		if (uw > 999)
+			continue;
+		if (newuw > 999 - uw)
+			newuw = 999 - uw;
+		if (newuw == 0)
+			continue;
+		/*
+		 * So entire civilian populations don't disappear immediately
+		 * into re-education camps, charge a healthy mobility cost for
+		 * conversions.
+		 */
+		mob = sect.sct_mobil * 5;
+
+		/* security troops make conversion more effective */
+		adj_mob = ldround(((double)mob*security_extra),1);
+
+		if (adj_mob < newuw)
+			newuw = adj_mob;
+		if (newuw <= 0)
+			continue;
+		if (!for_real) {
+			cost += newuw * 1.5;
+			continue;
+		}
+		player->btused += (newuw - 1) / 100 + 1;
+		player->dolcost += newuw * 1.5;
+		if (newuw < mob)
+			mob = newuw;
+		if (putvar(V_UW, newuw + uw, (s_char *)&sect, EF_SECTOR) == 0) {
+			pr("No room for new uw in %s\n",
+				xyas(sect.sct_x, sect.sct_y, player->cnum));
+			continue;
+		}
+		civ -= newuw;
+		putvar(V_CIVIL, civ, (s_char *)&sect, EF_SECTOR);
+		mob = roundavg(mob * 0.2);
+		if (mob > sect.sct_mobil)
+			mob = sect.sct_mobil;
+		sect.sct_mobil -= (u_char)mob;
+		pr("%3d conquered civilians converted in %s (%d)\n",
+			newuw, xyas(sect.sct_x, sect.sct_y, player->cnum),
+			uw + newuw);
+		if (civ == 0) {
+			sect.sct_oldown = sect.sct_own;
+			pr("%s is now completely yours.\n",
+				xyas(sect.sct_x, sect.sct_y, player->cnum));
+		}
+		putsect(&sect);
+		totaluw += newuw;
+	}
+	if (!for_real)
+		return cost;
+	pr("Total civilians converted: %d\n", totaluw);
+	pr("Paperwork at conversion places ... %d\n", player->btused);
+	return RET_OK;
+}