119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2005, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* dispatch.c: Actually execute the command given
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*
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* Known contributors to this file:
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* Dave Pare, 1994
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* Steve McClure, 1998
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*/
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#include "prototypes.h"
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#include "misc.h"
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#include "player.h"
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#include "com.h"
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#include "match.h"
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#include "nat.h"
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#include "file.h"
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#include "proto.h"
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#include "empio.h"
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#include "optlist.h"
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#include "subs.h"
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#include "common.h"
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#include "server.h"
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/*
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* Execute command named by player->argp[0].
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* BUF is the raw UTF-8 command line. It should have been passed to
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* parse() to set up player->argp.
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* If REDIR is not null, it's the command's redirection, in UTF-8.
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* Return -1 if the command is not unique or doesn't exist, else 0.
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*/
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int
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dispatch(char *buf, char *redir)
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{
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struct natstr *np;
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struct cmndstr *command;
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int cmd;
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cmd = comtch(player->argp[0], player_coms,
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player->ncomstat, player->god);
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if (cmd < 0) {
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if (cmd == M_NOTUNIQUE)
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pr("Command \"%s\" is ambiguous -- ", player->argp[0]);
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else if (cmd == M_IGNORE)
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return 0;
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else {
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pr("\"%s\" is not a legal command ", player->argp[0]);
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if (player->nstat != player->ncomstat)
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pr("now ");
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pr("\n");
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}
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return -1;
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}
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command = &player_coms[cmd];
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np = getnatp(player->cnum);
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if (np->nat_btu < command->c_cost && command->c_cost > 0) {
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if (player->god || opt_BLITZ)
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np->nat_btu = max_btus;
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else {
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pr("You don't have the BTU's, bozo\n");
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return 0;
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}
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}
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if (command->c_addr == 0) {
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pr("Command not implemented\n");
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return 0;
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}
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if (update_pending) {
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pr("Update in progress...command failed\n");
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return 0;
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}
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if (redir) {
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prredir(redir);
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uprnf(buf);
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pr("\n");
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}
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player->command = command;
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switch (command->c_addr()) {
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case RET_OK:
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player->btused += command->c_cost;
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break;
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case RET_FAIL:
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pr("command failed\n");
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player->btused += command->c_cost;
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break;
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case RET_SYN:
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pr("Usage: %s\n", command->c_form);
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break;
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default:
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logerror("%s: returned bad value", command->c_form);
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break;
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}
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player->command = 0;
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return 0;
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}
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