322 lines
8.7 KiB
C
322 lines
8.7 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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 USA
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* expl.c: Take over unoccupied sectors
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*
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* Known contributors to this file:
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* Jeff Wallace, 1989
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*/
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#include <config.h>
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#include "misc.h"
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#include "player.h"
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#include "plague.h"
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#include "sect.h"
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#include "xy.h"
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#include "nsc.h"
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#include "item.h"
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#include "file.h"
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#include "nat.h"
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#include "optlist.h"
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#include "commands.h"
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static int explore_map(coord curx, coord cury, char *arg);
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int
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explore(void)
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{
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int amount;
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struct sctstr sect;
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struct sctstr endsect;
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struct sctstr start;
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struct sctstr chksect;
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double weight;
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int mcost, dam;
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int infected;
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i_type vtype;
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int amt_src;
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int amt_dst;
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struct ichrstr *ip;
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int work;
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int loyal;
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int own, mob;
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int justtook;
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coord x, y;
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char *p;
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int n;
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int left;
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char buf[1024];
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char prompt[128];
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if (!(ip = whatitem(player->argp[1], "explore with what? (civ/mil) ")))
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return RET_SYN;
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vtype = ip->i_uid;
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if ((vtype != I_CIVIL) && (vtype != I_MILIT)) {
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pr("You can only explore with civs and mil.\n");
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return RET_FAIL;
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}
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if ((p = getstarg(player->argp[2], "from sector : ", buf)) == 0)
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return RET_SYN;
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if (!sarg_xy(p, &x, &y))
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return RET_SYN;
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if (!getsect(x, y, §) || !player->owner) {
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pr("Not yours\n");
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return RET_FAIL;
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}
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infected = sect.sct_pstage == PLG_INFECT;
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if ((amt_src = sect.sct_item[vtype]) <= 0) {
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pr("No %s in %s\n", ip->i_name,
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xyas(sect.sct_x, sect.sct_y, player->cnum));
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return RET_SYN;
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}
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own = sect.sct_own;
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mob = sect.sct_mobil;
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if (vtype == I_CIVIL && sect.sct_oldown != own) {
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pr("You can't explore with conquered populace!\n");
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return RET_SYN;
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}
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if (mob <= 0) {
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pr("No mobility in %s\n",
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xyas(sect.sct_x, sect.sct_y, player->cnum));
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return RET_SYN;
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}
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/* only used when moving civs; but prevent spurious compiler warnings */
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work = sect.sct_work;
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loyal = sect.sct_loyal;
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if (vtype == I_CIVIL && work != 100)
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pr("Warning: civil unrest\n");
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sprintf(prompt, "Number of %s to explore with? (max %d) ",
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ip->i_name, amt_src);
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amount = onearg(player->argp[3], prompt);
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if (!check_sect_ok(§))
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return RET_FAIL;
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if (amount > amt_src) {
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amount = amt_src;
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pr("Only exploring with %d.\n", amount);
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}
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if (!want_to_abandon(§, vtype, amount, 0)) {
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pr("Explore cancelled.\n");
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return RET_FAIL;
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}
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if (!check_sect_ok(§))
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return RET_FAIL;
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if (amount <= 0)
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return RET_SYN;
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weight = (double)amount * ip->i_lbs;
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/* remove commodities from source sector */
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getsect(x, y, &start);
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amt_src = start.sct_item[vtype];
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amt_src -= amount;
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if (amt_src < 0) {
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pr("%s in %s are gone!\n", ip->i_name,
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xyas(start.sct_x, start.sct_y, player->cnum));
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return RET_OK;
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}
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start.sct_item[vtype] = amt_src;
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start.sct_flags |= MOVE_IN_PROGRESS;
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putsect(&start);
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/*
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* Now parse the path and return ending sector.
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*/
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dam = 1;
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mcost = move_ground(§, &endsect, weight, player->argp[4],
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explore_map, 1, &dam);
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if (dam) {
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left = effdamage(amount, dam);
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if (left < amount) {
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if (left) {
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pr("%d of the %s you were exploring with were destroyed!\n"
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"Only %d %s made it to %s\n",
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amount - left, ip->i_name, left, ip->i_name,
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xyas(endsect.sct_x, endsect.sct_y, player->cnum));
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} else {
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pr("All of the %s you were exploring with were destroyed!\n",
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ip->i_name);
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}
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amount = left;
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}
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}
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if (mcost > 0)
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pr("Total movement cost = %d", mcost);
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else
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pr("No mobility used");
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if (mcost < 0) {
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pr("\nExplore aborted");
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getsect(start.sct_x, start.sct_y, §);
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sect.sct_mobil = mob;
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} else {
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/* Charge mobility */
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getsect(sect.sct_x, sect.sct_y, §);
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n = sect.sct_mobil - mcost;
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if (n < 0)
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n = 0;
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sect.sct_mobil = n;
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pr(", %d mob left in %s", sect.sct_mobil,
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xyas(sect.sct_x, sect.sct_y, player->cnum));
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putsect(§);
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getsect(endsect.sct_x, endsect.sct_y, §);
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}
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pr("\n");
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justtook = 0;
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/*
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* Check for a multitude of problems
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*/
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getsect(endsect.sct_x, endsect.sct_y, &chksect);
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if (amount <= 0) {
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getsect(start.sct_x, start.sct_y, &start);
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sect.sct_flags &= ~MOVE_IN_PROGRESS;
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putsect(§);
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return RET_FAIL;
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}
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if (chksect.sct_type == '.') {
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pr("Bridge disappeared!\n");
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getsect(start.sct_x, start.sct_y, &start);
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start.sct_flags &= ~MOVE_IN_PROGRESS;
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putsect(&start);
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return RET_FAIL;
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}
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if (!player->god && chksect.sct_own && chksect.sct_own != player->cnum
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&& chksect.sct_type != SCT_SANCT) {
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pr("Somebody beat you there!\n");
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/* Send them back home */
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getsect(start.sct_x, start.sct_y, §);
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if (sect.sct_own != own) {
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pr("Someone captured the sector you started from!\n");
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pr("Your exploring people die of disappointment!\n");
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sect.sct_flags &= ~MOVE_IN_PROGRESS;
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putsect(§);
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return RET_FAIL;
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}
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}
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if (!player->god && !player->owner && sect.sct_type != SCT_SANCT) {
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takeover(§, player->cnum);
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justtook = 1;
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sect.sct_oldown = own;
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sect.sct_work = 100;
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sect.sct_loyal = 0;
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}
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if (vtype == I_CIVIL && sect.sct_oldown != player->cnum) {
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pr("Your civilians don't want to stay!\n");
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getsect(start.sct_x, start.sct_y, §);
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if (sect.sct_own != own) {
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pr("Someone captured the sector you started from!\n");
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pr("Your exploring people die of disappointment!\n");
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sect.sct_flags &= ~MOVE_IN_PROGRESS;
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putsect(§);
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return RET_FAIL;
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}
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}
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amt_dst = sect.sct_item[vtype];
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if (amount > ITEM_MAX - amt_dst) {
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amount = ITEM_MAX - amt_dst;
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pr("Only %d can be left there.\n", amount);
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if (amount <= 0)
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getsect(start.sct_x, start.sct_y, §);
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}
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sect.sct_item[vtype] = amount + amt_dst;
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/*
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* Now add commodities to destination sector,
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* along with plague that came along for the ride.
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* Takeover unowned sectors if not deity.
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*/
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if (!player->god && sect.sct_type != SCT_SANCT && justtook) {
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pr("Sector %s is now yours.\n",
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xyas(sect.sct_x, sect.sct_y, player->cnum));
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if (opt_MOB_ACCESS) {
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time(§.sct_access);
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sect.sct_mobil = -(etu_per_update / sect_mob_neg_factor);
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} else {
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sect.sct_mobil = 0;
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}
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}
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if (infected && sect.sct_pstage == PLG_HEALTHY)
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sect.sct_pstage = PLG_EXPOSED;
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if (vtype == I_CIVIL) {
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sect.sct_loyal
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= (amt_dst * sect.sct_loyal + amount * loyal) / (amt_dst + amount);
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sect.sct_work
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= (amt_dst * sect.sct_work + amount * work) / (amt_dst + amount);
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}
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putsect(§);
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getsect(start.sct_x, start.sct_y, &start);
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start.sct_flags &= ~MOVE_IN_PROGRESS;
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putsect(&start);
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return RET_OK;
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}
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/*ARGSUSED*/
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static int
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explore_map(coord curx, coord cury, char *arg)
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{
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struct nstr_sect ns;
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struct sctstr sect;
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char view[7];
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int i;
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int changed = 0;
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snxtsct_dist(&ns, curx, cury, 1);
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i = 0;
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while (i < 7 && nxtsct(&ns, §)) {
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/* Nasty: this relies on the iteration order */
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view[i] = dchr[sect.sct_type].d_mnem;
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switch (sect.sct_type) {
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case SCT_WATER:
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case SCT_RURAL:
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case SCT_MOUNT:
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case SCT_WASTE:
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case SCT_PLAINS:
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break;
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default:
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if (sect.sct_own != player->cnum && !player->god)
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view[i] = '?';
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break;
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}
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changed += map_set(player->cnum, ns.x, ns.y, view[i], 0);
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i++;
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}
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if (changed)
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writemap(player->cnum);
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if (!getsect(curx, cury, §))
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return RET_FAIL;
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pr(" %c %c min gold fert oil uran\n", view[0], view[1]);
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pr(" %c %c %c %3d %4d %4d %4d %4d\n",
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view[2], view[3], view[4],
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sect.sct_min, sect.sct_gmin, sect.sct_fertil, sect.sct_oil,
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sect.sct_uran);
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pr(" %c %c\n", view[5], view[6]);
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return RET_OK;
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}
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