/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2004, 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.
*
* ---
*
* nxtitem.c: Get the next item from a list
- *
+ *
* Known contributors to this file:
* Dave Pare, 1989
*/
-#include "misc.h"
-#include "player.h"
-#include "xy.h"
-#include "ship.h"
+#include <config.h>
+
+#include "empobj.h"
+#include "file.h"
#include "land.h"
+#include "misc.h"
#include "nsc.h"
-#include "file.h"
-#include "genitem.h"
+#include "player.h"
#include "prototypes.h"
+#include "ship.h"
+#include "unit.h"
+#include "xy.h"
int
nxtitem(struct nstr_item *np, void *ptr)
{
- struct genitem *gp;
+ struct empobj *gp;
int selected;
if (np->sel == NS_UNDEF)
return 0;
- gp = (struct genitem *)ptr;
+ gp = (struct empobj *)ptr;
do {
if (np->sel == NS_LIST) {
np->index++;
if (np->index >= np->size)
return 0;
np->cur = np->list[np->index];
+ } else if (np->sel == NS_CARGO) {
+ if (np->next < 0)
+ return 0;
+ np->cur = np->next;
+ np->next = unit_cargo_next(np->type, np->next);
} else {
np->cur++;
}
- if (!np->read(np->type, np->cur, ptr)) {
- /* if read fails, fatal */
+ if (!ef_read(np->type, np->cur, ptr))
return 0;
- }
selected = 1;
switch (np->sel) {
- /*
- * This one won't work unless you're running in emp_player
- */
case NS_LIST:
- if ((np->flags & EFF_OWNER) && !player->owner)
- selected = 0;
- break;
+ case NS_CARGO:
case NS_ALL:
- /* XXX maybe combine NS_LIST and NS_ALL later */
break;
case NS_DIST:
+ if (CANT_HAPPEN(!(ef_flags(np->type) & EFF_XY)))
+ return 0;
if (!xyinrange(gp->x, gp->y, &np->range)) {
selected = 0;
break;
}
- np->curdist = mapdist((int)gp->x, (int)gp->y,
- (int)np->cx, (int)np->cy);
+ np->curdist = mapdist(gp->x, gp->y, np->cx, np->cy);
if (np->curdist > np->dist)
selected = 0;
break;
case NS_AREA:
+ if (CANT_HAPPEN(!(ef_flags(np->type) & EFF_XY)))
+ return 0;
if (!xyinrange(gp->x, gp->y, &np->range))
selected = 0;
- if (gp->x == np->range.hx || gp->y == np->range.hy)
- selected = 0;
break;
case NS_XY:
+ if (CANT_HAPPEN(!(ef_flags(np->type) & EFF_XY)))
+ return 0;
if (xnorm(gp->x) != np->cx || ynorm(gp->y) != np->cy)
selected = 0;
break;
case NS_GROUP:
+ if (CANT_HAPPEN(!(ef_flags(np->type) & EFF_GROUP)))
+ return 0;
if (np->group != gp->group)
selected = 0;
break;
default:
- CANT_HAPPEN("bad np->sel");
+ CANT_REACH();
return 0;
}
if (selected && np->ncond) {