]> git.pond.sub.org Git - empserver/blobdiff - src/lib/commands/set.c
Update copyright notice
[empserver] / src / lib / commands / set.c
index 17af3794648fdf00e98e24515da33d41d9a95db3..b599493754ae431767a3275ea36f65be6df123aa 100644 (file)
@@ -1,6 +1,6 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *  Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
  *                           Ken Stevens, Steve McClure
  *
  *  This program is free software; you can redistribute it and/or modify
  *
  *  ---
  *
- *  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.
+ *  See files README, COPYING and CREDITS in the root of the source
+ *  tree for related information and legal notices.  It is expected
+ *  that future projects/authors will amend these files as needed.
  *
  *  ---
  *
  *  set.c: Place units/ships/planes/nukes up for sale.
- * 
+ *
  *  Known contributors to this file:
  *     Dave Pare, 1986
  *     Pat Loney, 1992
  *     Steve McClure, 1996
  */
 
-#include "misc.h"
-#include "var.h"
-#include "sect.h"
-#include "ship.h"
+#include <config.h>
+
+#include "commands.h"
+#include "empobj.h"
 #include "land.h"
-#include "nuke.h"
+#include "optlist.h"
 #include "plane.h"
-#include "xy.h"
-#include "nsc.h"
-#include "nat.h"
+#include "ship.h"
 #include "trade.h"
-#include "file.h"
-#include "player.h"
-#include "commands.h"
-#include "optlist.h"
 
 /*
  * format: set <type> <SHIP/NUKE> <PRICE>
 int
 set(void)
 {
-       char   *p;
-       int     type;
-       int     price;
-       char    prompt[80];
-       struct  trdstr trade;
-       struct  nstr_item ni;
-       struct  nstr_item ni_trade;
-       union   trdgenstr item;
-       union   trdgenstr check;
-       struct  sctstr sect;
-       int     freeslot;
-       int     foundslot;
-       int     id;
-       time_t  now;
-       s_char buf[1024];
+    static int ef_saleable[] = { EF_SHIP, EF_PLANE, EF_LAND, EF_NUKE, EF_BAD };
+    char *p;
+    int type;
+    int price;
+    char prompt[80];
+    struct trdstr trade;
+    struct nstr_item ni;
+    struct nstr_item ni_trade;
+    union empobj_storage item;
+    struct sctstr sect;
+    int freeslot;
+    int foundslot;
+    int id;
+    time_t now;
+    char buf[1024];
 
-       if (!opt_MARKET) {
-           pr("The market is disabled.\n");
-           return RET_FAIL;
-       }       
-       check_market();
-       check_trade();
+    if (!opt_MARKET) {
+       pr("The market is disabled.\n");
+       return RET_FAIL;
+    }
+    check_market();
+    check_trade();
 
-       if ((p = getstarg(player->argp[1], "Item type? ", buf)) == 0)
-               return RET_SYN;
-       if ((type = ef_byname(p)) < 0) {
-               pr("%s: not an item type\n", p);
-               return RET_SYN;
+    p = getstarg(player->argp[1], "Ship, plane, land unit or nuke? ", buf);
+    if (!p)
+       return RET_SYN;
+    if ((type = ef_byname_from(p, ef_saleable)) < 0) {
+       pr("You can sell only ships, planes, land units or nukes\n");
+       return RET_SYN;
+    }
+    if (!snxtitem(&ni, type, player->argp[2], NULL))
+       return RET_SYN;
+    while (nxtitem(&ni, &item)) {
+       if (!player->owner && !player->god)
+           continue;
+       getsect(item.gen.x, item.gen.y, &sect);
+       if (!military_control(&sect)) {
+           pr("Military control required to sell goods.\n");
+           return RET_FAIL;
+       }
+       trade.trd_type = type;
+       sprintf(prompt, "%s #%d; Price? ",
+               trade_nameof(&trade, &item), ni.cur);
+       if (!(p = getstarg(player->argp[3], prompt, buf)))
+           return RET_FAIL;
+       if (!trade_check_item_ok(&item))
+           return RET_FAIL;
+       if ((price = atoi(p)) < 0)
+           continue;
+       foundslot = -1;
+       freeslot = -1;
+       snxtitem_all(&ni_trade, EF_TRADE);
+       while (nxtitem(&ni_trade, &trade)) {
+           if (trade.trd_owner == 0)
+               freeslot = ni_trade.cur;
+           if (trade.trd_unitid == ni.cur && trade.trd_type == type) {
+               foundslot = ni_trade.cur;
+               break;
+           }
        }
-       if (type == EF_SECTOR)
-               type = EF_SHIP;
-       if (type == EF_NEWS)
-               type = EF_NUKE;
-       if (type == EF_LOAN)
-               type = EF_LAND;
-       if (!snxtitem(&ni, type, player->argp[2]))
-               return RET_SYN;
-       while (nxtitem(&ni, (char *)&item)) {
-               if (!player->owner && !player->god)
-                       continue;
-               getsect(item.gen.trg_x, item.gen.trg_y, &sect);
-               /*
-                * military control necessary to sell
-                * goodies in occupied territory.
-                */
-               if (sect.sct_oldown != player->cnum && !player->god) {
-                        int     tot_mil=0;
-                        struct  nstr_item ni;
-                        struct  lndstr land;
-                        snxtitem_xy(&ni, EF_LAND, sect.sct_x, sect.sct_y);
-                        while (nxtitem(&ni, (s_char *)&land)){
-                                if (land.lnd_own == player->cnum)
-                                        tot_mil  += total_mil(&land);
-                        }
-                       if (tot_mil+(getvar(V_MILIT, (char *)&sect, EF_SECTOR)) * 10
-                           < getvar(V_CIVIL, (char *)&sect, EF_SECTOR)) {
-                             pr("Military control required to sell goods.\n");
-                               return RET_FAIL;
-                       }
-               }
-               trade.trd_type = type;
-               sprintf(prompt, "%s #%d; Price? ",
-                       trade_nameof(&trade, &item), ni.cur);
-               memcpy(&check, &item, sizeof(union trdgenstr));
-               if ((p = getstarg(player->argp[3], prompt, buf))==0)
-                       break;
-               if (memcmp(&check, &item, sizeof(union trdgenstr))) {
-                   pr("That item has changed!\n");
-                   return RET_FAIL;
-               }
-               if ((price = atoi(p)) < 0)
-                       continue;
-               if (!ef_lock(EF_TRADE)) {
-                       logerror("can't lock trade file");
-                       return RET_SYS;
-               }
-               foundslot = -1;
-               freeslot = -1;
-               snxtitem_all(&ni_trade, EF_TRADE);
-               while (nxtitem(&ni_trade, (char *)&trade)) {
-                       if (trade.trd_unitid < 0)
-                               freeslot = ni_trade.cur;
-                       if (trade.trd_unitid == ni.cur &&
-                           trade.trd_type == type) {
-                               foundslot = ni_trade.cur;
-                               break;
-                       }
-               }
-               if (price == 0 && foundslot >= 0) {
-                       pr("%s #%d (lot #%d) removed from trading\n",
-                               trade_nameof(&trade, &item),
-                               ni.cur, foundslot);
-                       trade.trd_type = 0;
-                       trade.trd_owner = 0;
-                       trade.trd_unitid = -1;
-                       trade.trd_price = 0;
-                       (void) time(&now);
-                       trade.trd_markettime = now;
-                       trade.trd_maxbidder = player->cnum;
-                       trade.trd_maxprice = 0;
-                       puttrade(ni_trade.cur, &trade);
-               } else if (price > 0) {
-                       trade.trd_x = item.gen.trg_x;
-                       trade.trd_y = item.gen.trg_x;
-                       trade.trd_type = type;
-                       trade.trd_owner = player->cnum;
-                       trade.trd_unitid = ni.cur;
-                       trade.trd_price = price;
-                       (void) time(&now);
-                       trade.trd_markettime = now;
-                       trade.trd_maxbidder = player->cnum;
-                       trade.trd_maxprice = price;
-                       if (foundslot >= 0)
-                               id = foundslot;
-                       else if (freeslot >= 0)
-                               id = freeslot;
-                       else {
-                               ef_extend(EF_TRADE, 1);
-                               id = ni_trade.cur;
-                       }
-                       puttrade(id, &trade);
-                       pr("%s #%d (lot #%d) price %s to $%d\n",
-                               trade_nameof(&trade, &item), ni.cur,
-                               id, foundslot >= 0 ? "reset" : "set", price);
-               }
-               ef_unlock(EF_TRADE);
+       if (price <= 0) {
+           if (foundslot >= 0) {
+               pr("%s #%d (lot #%d) removed from trading\n",
+                  trade_nameof(&trade, &item), ni.cur, foundslot);
+               trade.trd_owner = 0;
+               puttrade(ni_trade.cur, &trade);
+           }
+       } else {
+           if (foundslot >= 0)
+               id = foundslot;
+           else if (freeslot >= 0)
+               id = freeslot;
+           else
+               id = ni_trade.cur;
+           ef_blank(EF_TRADE, id, &trade);
+           trade.trd_x = item.gen.x;
+           trade.trd_y = item.gen.y;
+           trade.trd_type = type;
+           trade.trd_owner = player->cnum;
+           trade.trd_unitid = ni.cur;
+           trade.trd_price = price;
+           (void)time(&now);
+           trade.trd_markettime = now;
+           trade.trd_maxbidder = player->cnum;
+           puttrade(id, &trade);
+           pr("%s #%d (lot #%d) price %s to $%d\n",
+              trade_nameof(&trade, &item), ni.cur,
+              id, foundslot >= 0 ? "reset" : "set", price);
        }
-       return RET_OK;
+    }
+    return RET_OK;
 }