147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2010, 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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* surv.c: Show sector survey
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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*/
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#include <config.h>
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#include <ctype.h>
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#include "commands.h"
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#include "map.h"
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#include "optlist.h"
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static char code_char(struct valstr, struct sctstr *sp);
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/*
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* survey type <sarg> ?cond
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*
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*/
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int
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surv(void)
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{
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int nsect;
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struct nstr_sect nstr;
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int y;
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struct valstr val;
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struct natstr *np;
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struct sctstr sect;
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struct range range;
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char *ptr;
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struct nscstr cond[NS_NCOND];
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int ncond;
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int i;
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char buf[1024];
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/* Note this is not re-entrant anyway, so we keep the buffers
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around */
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static char *mapbuf = NULL;
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static char **map = NULL;
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nsect = 0;
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ptr = getstarg(player->argp[1], "commodity or variable? ", buf);
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if (!ptr || !*ptr)
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return RET_SYN;
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ptr = nstr_comp_val(ptr, &val, EF_SECTOR);
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if (!ptr)
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return RET_SYN;
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if (val.val_cat != NSC_OFF || nstr_promote(val.val_type) != NSC_LONG) {
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pr("Can't survey this\n");
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return RET_SYN;
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}
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for (; isspace(*ptr); ++ptr) ;
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if (*ptr)
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return RET_SYN;
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if (!snxtsct(&nstr, player->argp[2]))
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return RET_SYN;
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if (!mapbuf)
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mapbuf = malloc(WORLD_Y * MAPWIDTH(1));
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if (!map) {
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map = malloc(WORLD_Y * sizeof(char *));
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if (map && mapbuf) {
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for (i = 0; i < WORLD_Y; i++)
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map[i] = &mapbuf[MAPWIDTH(1) * i];
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} else if (map) {
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free(map);
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map = NULL;
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}
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}
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if (!mapbuf || !map) {
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pr("Memory error, tell the deity.\n");
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logerror("malloc failed in sect\n");
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return RET_FAIL;
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}
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ncond = nstr.ncond;
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memcpy(cond, nstr.cond, sizeof(struct nscstr) * ncond);
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nstr.ncond = 0;
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np = getnatp(player->cnum);
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xyrelrange(np, &nstr.range, &range);
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border(&range, " ", "");
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blankfill(mapbuf, &nstr.range, 1);
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while (nxtsct(&nstr, §)) {
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if (!player->owner)
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continue;
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ptr = &map[nstr.dy][nstr.dx];
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if (nstr_exec(cond, ncond, §)) {
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++nsect;
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*ptr = 0x80 | code_char(val, §);
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} else {
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*ptr = dchr[sect.sct_type].d_mnem;
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}
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}
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for (y = nstr.range.ly, i = 0; i < nstr.range.height; y++, i++) {
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int yval;
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yval = yrel(np, y);
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pr("%4d %s %4d\n", yval, map[i], yval);
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if (y >= WORLD_Y)
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y -= WORLD_Y;
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}
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border(&range, " ", "");
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if (nsect > 0)
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pr("\n%d sector%s.\n", nsect, splur(nsect));
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return RET_OK;
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}
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static char
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code_char(struct valstr val, struct sctstr *sp)
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{
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int amt;
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int n;
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int large = val.val_type != NSC_CHAR && val.val_type != NSC_UCHAR;
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nstr_exec_val(&val, player->cnum, sp, NSC_LONG);
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amt = val.val_as.lng;
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if (amt <= 0)
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return ' ';
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n = amt / (large ? 100 : 10);
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if (n >= 10)
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return '$';
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return "0123456789"[n];
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}
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